1. A multifunctional measuring instrument, comprising:

a base;

the guide assembly comprises a first guide rod and a second guide rod which are mutually orthogonal, and one end of the first guide rod is fixed on the base;

the measuring assembly comprises a first digital display main body, a second digital display main body and a measuring probe arranged on the second digital display main body, the first digital display main body is in sliding fit with the first guide rod, the second guide rod is fixed on the first digital display main body, and the second digital display main body is in sliding fit with the second guide rod;

the first digital display main body and the second digital display main body can record and display the sliding distance of the corresponding initial position along the corresponding guide rod.

2. A multifunctional measuring instrument as claimed in claim 1, characterized in that the measuring probe comprises a probe head comprising a first probe extending in the direction of the first guide rod and/or a second probe extending in the direction of the second guide rod.

3. The multifunctional measuring instrument according to claim 2, wherein the first probe is a ball probe, and the tip of the ball probe has a ball structure;

the second probe is a flat probe, the tail end of the flat probe is provided with a tip, and the surface of one side, close to the base, of the tip is a plane.

4. The multifunctional measuring instrument according to claim 2, wherein the measuring probe further comprises a mounting portion for mounting the probe portion, the probe portion being detachable relative to the mounting portion, the mounting portion being fixed to the second digital display main body.

5. The multifunctional measuring instrument according to claim 4, wherein the probe portion has a head portion connected to the mounting portion, the head portion has a connection hole thereon, the mounting portion has a mounting groove thereon for accommodating the head portion, and the mounting groove has a connection bolt inserted therein for fitting the connection hole.

6. The multifunctional measuring instrument according to any one of claims 1 to 5, further comprising:

hand round sets up on the first digital display main part, hand round have with first guide bar complex rotating part to through rotary drive first digital display main part is followed first guide bar slides.

7. The multifunctional measuring instrument according to any one of claims 1 to 5, wherein the first digital display main body and the second digital display main body are provided with a stop positioning member, and the stop positioning member can abut against the corresponding guide rod to realize relative fixation.

8. A multifunctional measuring instrument according to any one of claims 1 to 5, characterized in that a magnetic seat structure is provided on the base, the magnetic seat structure having a control knob.

9. The multifunctional measuring instrument according to any one of claims 1 to 5, wherein the second guide bar has a stopper portion at both ends thereof, the stopper portion defining a stroke end point of the second digital display body.

10. The multifunctional measuring instrument according to any one of claims 1 to 5, wherein the first digital display main body and the second digital display main body each have a clear button for zeroing the slide data record of the corresponding digital display main body.

Background

With the obvious improvement of life style and consumption concept of people, the requirements on the appearance, the quality and the size of various commodities are higher and higher. Most of commodities are assembled by small parts which are processed by various procedures, and each procedure has unique technical rules. The process rules comprise appearance quality process rules, dimension quality process rules and functional process rules, wherein the dimension quality control mainly uses measuring instruments such as a vernier caliper, a plug needle, a height vernier caliper, a projector, a three-dimensional measuring instrument, a plug gauge, an R gauge and the like, wherein the vernier caliper has the widest application range, is convenient to measure and use and is universal in measuring dimension; the measuring range of the three-dimensional measuring instrument is the widest, and the measuring precision is also high.

In general, a vernier caliper is used for measuring a workpiece, and the workpiece is mainly contacted by an inner measuring claw or an outer measuring claw at a head end to reach a numerical value of a required measuring position, and regular component characteristics such as length, width, height, inner diameter and outer diameter are usually measured by the vernier caliper; however, when measuring a distance without a relative height of a reference plane or at a position having a large measurement gap, the vernier caliper cannot measure the distance, and a three-dimensional measuring instrument must be used for measurement. However, the three-dimensional measuring instrument is generally high in price, high in requirements on daily maintenance and working environment and high in use cost; in addition, the position of the three-dimensional measuring instrument is fixed and cannot move along with the position of the measuring component, and the three-dimensional measuring instrument lacks flexibility and is difficult to flexibly apply.

Therefore, there is a need for a multifunctional measuring instrument that can be moved freely and flexibly to meet various measuring requirements.

Disclosure of Invention

In order to solve the problem that the measurement means in the prior art is difficult to meet various measurement requirements, the application provides a multifunctional measuring instrument.

The invention provides a multifunctional measuring instrument, which comprises:

a base;

the guide assembly comprises a first guide rod and a second guide rod which are mutually orthogonal, and one end of the first guide rod is fixed on the base;

the measuring assembly comprises a first digital display main body, a second digital display main body and a measuring probe arranged on the second digital display main body, the first digital display main body is in sliding fit with the first guide rod, the second guide rod is fixed on the first digital display main body, and the second digital display main body is in sliding fit with the second guide rod;

the first digital display main body and the second digital display main body can record and display the sliding distance of the corresponding initial position along the corresponding guide rod.

In one embodiment, the measurement probe comprises a probe portion comprising a first probe extending in the direction of the first guide rod and/or a second probe extending in the direction of the second guide rod. Through this embodiment, to different measurement demands, the probe portion of measuring probe has multiple form to satisfy corresponding measurement demand.

In one embodiment, the first probe is a ball probe, the tip of the ball probe having a ball structure; the second probe is a flat probe, the tail end of the flat probe is provided with a tip, and the surface of one side, close to the base, of the tip is a plane.

In one embodiment, the measurement probe further comprises a mounting portion for mounting the probe portion, the probe portion being relatively detachable from the mounting portion, the mounting portion being fixed to the second digital display main body. Through this embodiment, probe portion and installation department can be dismantled relatively, and then can change the probe portion that corresponds the structure according to the measurement demand of difference.

In one embodiment, the probe part is provided with a head part connected with the mounting part, the head part is provided with a connecting hole, the mounting part is provided with a mounting groove for accommodating the head part, and a connecting bolt matched with the connecting hole penetrates through the mounting groove.

In one embodiment, further comprising: hand round sets up on the first digital display main part, hand round have with first guide bar complex rotating part to through rotary drive first digital display main part is followed first guide bar slides. Through this embodiment, utilize hand round, the altitude mixture control of being convenient for firstly, adjustment accuracy can be through the accurate accuse of the number of turns of rotation secondly.

In one embodiment, the first digital display main body and the second digital display main body are both provided with a stop positioning piece, and the stop positioning pieces can abut against corresponding guide rods to realize relative fixation. Through the embodiment, the stopping positioning piece is used for abutting against the corresponding guide rod, the corresponding digital display main body and the corresponding guide rod are kept fixed under the action of pressure and friction force, further adjustment in other directions is facilitated, meanwhile, the data measurement accuracy is achieved, and the influence of external factors such as shaking on the measurement accuracy is avoided.

In one embodiment, a magnetic base structure is provided on the base, the magnetic base structure having a control knob. Through this embodiment, to the part that awaits measuring is the metal that can magnetic force adsorb, the stability of base position on the part that awaits measuring can be kept to magnetic force seat structure, is convenient for measure.

In one embodiment, both ends of the second guide bar have a stopper portion defining a stroke end point of the second digital display main body. Through this embodiment, the spacing portion is used for preventing the second digital display main part from sliding to deviate from the second guide bar to inject the stroke end point of the second digital display main part.

In one embodiment, the first digital display main body and the second digital display main body are provided with zero clearing buttons, and the zero clearing buttons are used for enabling sliding data records of the corresponding digital display main bodies to be reset to zero. Through the embodiment, the recorded data of the first digital display main body and the second digital display main body can be cleared at any time, so that the initial position of measurement can be adjusted according to actual conditions, and measurement of various relative sizes is facilitated.

The features mentioned above can be combined in various suitable ways or replaced by equivalent features as long as the object of the invention is achieved.

Compared with the prior art, the multifunctional measuring instrument provided by the invention at least has the following beneficial effects:

compared with the single measurement function of a conventional measurement tool, the multifunctional measurement instrument provided by the invention can adjust the measurement position in two orthogonal directions by using double-shaft linkage measurement, and can meet the size measurement of the distance of the position without the relative height of a reference plane or with large measurement fall; meanwhile, the portable design is adopted, the movable measuring device can be directly moved to be placed at each measuring position, the measuring flexibility and the measuring working efficiency are improved, and the working strength of measuring personnel is synchronously reduced.

Drawings

The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:

FIG. 1 shows a front view of the meter of the present invention in the assembled state;

FIG. 2 shows a schematic view of the back of the meter of the present invention in the assembled state;

FIG. 3 shows an exploded view of the gauge structure of the present invention;

FIG. 4 is a diagram showing a state in which the measuring instrument of the present invention is used in the measurement of example 2;

FIG. 5 is a diagram showing a state in which the measuring instrument of the present invention is used in the measurement of example 3;

FIG. 6 is a diagram showing a state in which the measuring instrument of the present invention is used in the measurement of example 4;

in the drawings, like parts are provided with like reference numerals. The drawings are not to scale.

Reference numerals:

1-base, 11-magnetic base structure, 111-control knob, 112-magnetic sheet, 113-magnetic sheet, 2-guiding component, 21-first guiding rod, 22-second guiding rod, 221-spacing part, 3-measuring component, 31-first digital display main body, 32-second digital display main body, 33-measuring probe, 331-probe part, 3311-first probe, 3312-second probe, 3313-connecting hole, 332-mounting part, 3321-mounting groove, 34-stopping positioning part, 4-hand wheel and 41-rotating part.

Detailed Description

The invention will be further explained with reference to the drawings.

Example 1

An embodiment of the present invention provides a multifunctional measuring instrument, including:

a base 1;

the guide assembly 2 comprises a first guide rod 21 and a second guide rod 22 which are orthogonal to each other, and one end of the first guide rod 21 is fixed on the base 1;

the measuring assembly 3 comprises a first digital display main body 31, a second digital display main body 32 and a measuring probe 33 arranged on the second digital display main body 32, wherein the first digital display main body 31 is in sliding fit with the first guide rod 21, the second guide rod 22 is fixed on the first digital display main body 31, and the second digital display main body 32 is in sliding fit with the second guide rod 22;

the first digital display main body 31 and the second digital display main body 32 can record and display the sliding distance along the corresponding guide rod relative to the initial position.

Specifically, as shown in fig. 1 to fig. 3 of the drawings, the measuring apparatus of the present invention has a sliding function along two mutually perpendicular directions, i.e. a horizontal direction and a vertical direction in this embodiment, i.e. a first guide rod 21 in the guide assembly 2 is along the vertical direction, a second guide rod 22 is along the horizontal direction, and the bottom of the first guide rod 21 is fixedly connected to the base 1. The first digital display main body 31 in the measuring assembly 3 is in sliding fit with the first guide rod 21, and the first digital display main body 31 can slide in the vertical direction and corresponds to the measurement of height; the second digital display main body 32 of the measuring unit 3 is slidably fitted to the second guide bar 22, the second guide bar 22 is fixed to the first digital display main body 31, and the second digital display main body 32 is slidable in the horizontal direction, corresponding to the measurement of the size (length, width) in the horizontal plane. The first digital display main body 31 and the second digital display main body 32 can record and display the sliding distance relative to the initial position through the display screens thereof so as to reflect the corresponding measurement data.

When the portable digital display device is used, the first digital display main body 31 and the second digital display main body 32 are continuously adjusted in position and are matched with each other, so that the relative sizes, such as height difference, relative height, relative distance and the like, of complex structures without reference surfaces can be measured, and the portable digital display device is shown in figures 3 to 6. Preferably, the first digital display main body 31 and the second digital display main body 32 each have a clear button for zeroing the slide data record of the corresponding digital display main body.

Specifically, the recorded data of the first digital display main body 31 and the second digital display main body 32 can be cleared at any time, so as to adjust the initial position of measurement according to the actual situation, and facilitate measurement of various relative sizes. Further, even if the digital display main body is slid in different directions for a plurality of times, the recorded data is the vector sum of the moving distances, namely, the distance of the current position from the initial position is finally recorded and displayed as long as the zero is not cleared.

In one embodiment, the measurement probe 33 includes a probe portion 331, the probe portion 331 including a first probe 3311 extending in a direction of the first guide rod 21 and/or a second probe 3312 extending in a direction of the second guide rod 22.

Specifically, as shown in fig. 1 to 3 of the drawings, the measuring probe 33 is used for contacting a corresponding measuring position of the object to be measured, so as to record related measuring data corresponding to the first digital display main body 31 and the second digital display main body 32. The probe portion 331 of the measuring probe 33 has various forms for different measuring requirements, and in the present embodiment, a first probe 3311 extending in the direction of the first guide rod 21 and a second probe 3312 extending in the direction of the second guide rod 22 are proposed, and the two probes are installed in the measuring probe 33 separately and replaced with each other, or installed at the same time.

The first probe 3311 extends in the direction of the first guide rod 21, i.e. vertically, and has a bottom portion as a measuring end, and is generally used for measuring a relative dimension between two specific positions, such as a relative height, and particularly for measuring a relative dimension of some vertically recessed structures, vertically extending into the recessed structures, such as a relative dimension between two groove bottoms and two groove walls.

The second probe 3312 extends in the direction of the second guide rod 22, i.e. horizontally, which can also be measured for the relative height of two positions, but usually only for planar positions. It can also be directed to the measurement of relative dimensions in the horizontal direction, such as the relative distance between two staggered vertical planes; it is also particularly capable of measuring the relative dimensions of the vertically recessed features in the horizontal direction, extending horizontally into the recessed features.

In one embodiment, the first probe 3311 is a ball probe, the tip of which has a ball structure;

the second probe 3312 is a level probe, the end of which has a tip and the surface at the tip near the side of the base 1 is a plane.

Specifically, as shown in fig. 1 to fig. 3 of the drawings, the bottom end of the cylindrical probe is of a ball structure, and both the bottom and the periphery of the spherical surface of the cylindrical probe can be used as measurement surfaces contacting corresponding measurement parts, such as a side surface contacting vertical plane and a bottom contacting horizontal plane. And the plane at the bottom of the horizontal probe can measure the relative height between two planes with height difference or other protruding structures, and the tip of the horizontal probe can contact various vertical planes for measurement.

In one embodiment, the measurement probe 33 further includes a mounting portion 332 for mounting the probe portion 331, the probe portion 331 being relatively detachable from the mounting portion 332, the mounting portion 332 being secured to the second display body 32.

Specifically, as shown in fig. 1 to 3 of the drawings, the probe portion and the mounting portion can be detached relatively, so that the probe portion with the corresponding structure can be replaced according to different measurement requirements.

In one embodiment, the probe part 331 has a head portion connected to the mounting part 332, the head portion has a connection hole 3313, the mounting part 332 has a mounting groove 3321 for receiving the head portion, and the mounting groove 3321 has a connection bolt inserted therein to fit the connection hole 3313.

Specifically, as shown in fig. 3, the mounting portion 332 has a mounting groove 3321, the head of the probe portion 331 can be assembled into the mounting groove 3321, and then the probe portion 331 and the mounting portion 332 can be detachably connected by inserting a connecting bolt into the mounting groove 3321 and into the connecting hole 3313. In addition, the mounting groove 3321 has a plurality of openings in different directions, so that the probe 331 with different structures and different extending directions can extend outwards.

In one embodiment, further comprising:

and a hand wheel 4 disposed on the first digital display main body 31, the hand wheel 4 having a rotating portion 41 engaged with the first guide bar 21 to drive the first digital display main body 31 to slide along the first guide bar 21 by rotation.

Specifically, as shown in fig. 2 and fig. 3 of the drawings, the hand wheel 4 is disposed on the first digital display main body 31, the rotating portion 41 of the hand wheel is engaged with the first guide rod 21, and when the hand wheel 4 is rotated, the rotating portion 41 rotates in a vertical plane and rolls up and down relative to the first guide rod 21, so as to drive the first digital display main body 31 to slide along the first guide rod 21.

Further, the specific matching structure of the rotating portion 41 and the first guiding rod 21 can be adaptively selected according to actual situations, for example, the embodiment adopts the structure shown in fig. 2 and fig. 3, that is, the first guiding rod 21 has two rod bodies which are parallel to each other and spaced from each other, a gap is provided between the two rod bodies, the rotating portion 41 of the hand wheel 4 extends into the gap, both sides of the circumferential surface of the rotating portion are simultaneously in contact with the surfaces of the two rod bodies, and the rotating portion 41 can be selected to roll relative to the surfaces of the rod bodies. Further, a rack may be provided on the first guide bar 21, and a gear may be provided on the rotating portion 41.

It should be noted that, the hand wheel 4 is only arranged corresponding to the first digital display main body 31, and the hand wheel 4 is not arranged corresponding to the second digital display main body 32, because the first digital display main body 31 moves in the vertical direction, and is subjected to the gravity action of the first digital display main body 31, the second digital display main body 22 and the second digital display main body 32, the height adjustment has resistance, and the resistance causes that the adjustment accuracy is difficult to control, so that the hand wheel 4 is used, firstly, the height adjustment is convenient, and secondly, the adjustment accuracy can be accurately controlled through the number of rotating turns; and the second display body 32 slides in the horizontal direction without any particular resistance.

In one embodiment, the first digital display body 31 and the second digital display body 32 are provided with a stop positioning member 34, and the stop positioning member 34 can abut against the corresponding guide rod to realize relative fixation.

Specifically, as shown in fig. 1 to fig. 3 of the drawings, the stopping positioning member 34 is used for abutting against the corresponding guide rod, and the position of the corresponding digital display main body and the corresponding guide rod is kept fixed under the action of pressure and friction force, so that further adjustment in other directions is facilitated, and meanwhile, the accuracy of data measurement is achieved, and the influence of external factors such as shaking on the measurement accuracy is avoided.

In one embodiment, the base 1 is provided with a magnetic base structure 11, and the magnetic base structure 11 is provided with a control knob 111.

Specifically, the magnetic base structure 11 has a magnetic block 113, a magnetic sheet 112 and a control knob 111, the control knob 111 controls the rotation of the magnetic block 113 to control the presence or absence of the attraction force of the magnetic sheet 112, and for the part to be measured being a metal capable of magnetic attraction, the magnetic base structure 11 can keep the position of the base 1 on the part to be measured stable, which is convenient for measurement.

In one embodiment, both ends of the second guide bar 22 have a stopper portion 221, and the stopper portion 221 defines a stroke end point of the second digital display body 32.

Specifically, as shown in fig. 1 and 2, the limiting portion 221 is used for preventing the second digital display main body 32 from sliding to be separated from the second guiding rod 22, so as to define a stroke end point of the second digital display main body 32.

Example 2

Referring to fig. 4, this embodiment mainly illustrates the application of the measuring apparatus of the present invention in measuring the relative height of two planes, and the single-direction action.

S1, the measuring probe 33 adopts a flat probe, and the measuring instrument is prevented from being arranged on a platform of the component to be measured;

s2, driving the first digital display main body 31 to move along the first rod body by using the hand-operated wheel 4 so as to adjust the height of the first digital display main body 31 until the bottom of the horizontal probe contacts a first measuring surface (surface A in the attached figure 4), and resetting the height recording data of the first digital display main body 31 to zero by pressing a zero clearing button so as to calibrate a reference surface for measuring relative height;

s3, the hand wheel 4 is used again to drive the first digital display main body 31 to move along the first rod body, so that the bottom of the leveling probe contacts the second measuring surface (surface B in fig. 4), and the first digital display main body 31 records and displays data.

The data displayed on the first digital display main body 31 is the relative height value between the a surface and the B surface of the object to be measured in fig. 4.

Example 3

Referring to fig. 5 of the drawings, this embodiment mainly illustrates the application of the measuring apparatus of the present invention in measuring the relative height between two positions without reference surface and with a concave structure, two-way motion.

S1, the measuring probe 33 adopts a cylindrical probe to flatly place the workpiece to be measured;

s2, the hand wheel 4 is used to drive the first digital display main body 31 to move along the first rod body, so as to adjust the height of the first digital display main body 31 until the bottom of the cylindrical probe is higher than the first measuring surface (surface a in fig. 5), and then the stop positioning member 34 is used to relatively fix the first digital display main body 31;

s3, sliding the second digital display main body 32 along the second guide rod 22 until the bottom of the cylindrical probe is positioned right above the first measuring surface, and then relatively fixing the second digital display main body 32 by using the stopping positioning piece 34;

s4, the first digital display main body 31 is loosened by the stop positioning piece 34, the hand-operated wheel 4 is used for driving the first digital display main body 31 to move along the first rod body until the bottom of the cylindrical probe contacts the first measuring surface, the zero clearing button is pressed to zero the height recording data of the first digital display main body 31, and the measuring origin is calibrated.

S5, the hand wheel 4 is used to drive the first digital display main body 31 to move along the first rod body, so as to adjust the height of the first digital display main body 31 to a position where the bottom of the cylindrical probe is higher than the second measuring surface (surface B in fig. 5), and then the stop positioning element 34 is used to relatively fix the first digital display main body 31;

s6, utilizing the stopping positioning piece 34 to release the second digital display main body 32, sliding the second digital display main body 32 along the second guide rod 22 until the bottom of the cylindrical probe is positioned right above the second measuring surface, and then utilizing the stopping positioning piece 34 to relatively fix the second digital display main body 32;

s7, the first digital display main body 31 is loosened by the stop positioning piece 34, the hand-operated wheel 4 is used for driving the first digital display main body 31 to move along the first rod body until the bottom of the cylindrical probe contacts the second measuring surface, and data are recorded and displayed on the first digital display main body 31.

The data displayed on the first digital display main body 31 is the relative height value between the a surface and the B surface of the object to be measured in fig. 5.

Example 4

Referring to fig. 6 of the drawings, this embodiment will be primarily described in terms of the application of the gauge of the invention to measuring the relative distance between two locations having a height drop, with two directional motions.

S1, the measuring probe 33 adopts a cylindrical probe to flatly place the workpiece to be measured;

s2, the hand wheel 4 is used to drive the first digital display main body 31 to move along the first rod body, so as to adjust the height of the first digital display main body 31 until the bottom of the cylindrical probe is flush with the first measuring surface (surface a in fig. 6), and then the stop positioning member 34 is used to relatively fix the first digital display main body 31;

s3, sliding the second digital display main body 32 along the second guide rod 22 until the bottom of the cylindrical probe contacts the first measuring surface, then fixing the second digital display main body 32 relatively by using the stop positioning piece 34, resetting the distance recording data of the second digital display main body 32 to zero by pressing a zero clearing button, and calibrating the measuring origin;

s4, the stopping positioning element 34 is used to loosen the first digital display main body 31, the hand wheel 4 is used to drive the first digital display main body 31 to move along the first rod body until the bottom of the cylindrical probe is higher than the second measuring surface (surface B in fig. 6), and then the stopping positioning element 34 is used to relatively fix the first digital display main body 31;

s5, releasing the second digital display main body 32 by the stopping positioning piece 34, sliding the second digital display main body 32 along the second guide rod 22 until the bottom of the cylindrical probe is located at one side of the second measuring surface, and then relatively fixing the second digital display main body 32 by the stopping positioning piece 34;

s6, the first digital display main body 31 is loosened by the stop positioning piece 34, the hand wheel 4 is used for driving the first digital display main body 31 to move along the first rod body until the bottom of the cylindrical probe contacts the second measuring surface, and data are recorded and displayed on the second digital display main body 32.

The data shown on the second digital display body minus the diameter of the ball at the bottom of the cylindrical probe, i.e. the relative distance between the a-and B-faces of the part to be measured in fig. 6 of the drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.