Concealed boarding pedal for pickup truck

文档序号:1064 发布日期:2021-09-17 浏览:81次 中文

1. The utility model provides a concealed footboard of stepping on a car of pickup truck, includes bed frame (1) and footboard (2), characterized by: the pedal (2) is connected with the base frame (1) through a bent arm connecting rod (3) and a straight arm connecting rod (4) to form a four-bar mechanism, and a locking mechanism is arranged on the four-bar mechanism and can control the four-bar mechanism to be opened or folded; the pedestal (1) is connected with a tail door inner plate (18) of a pick-up truck in a positioning way; the pedal (2) is flush with the outer plate (17) of the tail door of the pickup truck when the four-bar linkage mechanism is folded; the base frame (1) is in a 'L' shape, and the upper surface of the straight part of the base frame is connected with a tail door inner plate (18) of a pick-up truck in a positioning way; the pedal (2) is in an L shape, the upper ends of two sides of the vertical part of the pedal (2) are respectively hinged with one end of a straight arm connecting rod (4) through a first hinged shaft (13), and the other ends of the two straight arm connecting rods (4) are respectively hinged with the middle parts of two sides of the straight part of the base frame (1) through second hinged shafts (14); the lower ends of two sides of the vertical part of the base frame (1) are respectively hinged with one end of a bent arm connecting rod (3) through a fourth hinged shaft (16), and the other ends of the two bent arm connecting rods (3) are respectively hinged with the middle parts of two sides of the straight part of the pedal (2) through third hinged shafts (15).

2. The concealed entry step of a pick-up truck according to claim 1, wherein: the locking mechanism comprises a locking spanner (5) arranged in the middle of the upper part of the straight part of the base frame (1), a left locking connecting rod (6) with one end connected with the locking spanner and the other end connected with a limiting tongue (10) arranged on the left side of the base frame (1), and a right locking connecting rod (7) with one end connected with the locking spanner and the other end connected with the limiting tongue (10) arranged on the right side of the base frame (1); the left locking spring (8) and the right locking spring (9) are respectively arranged in the L-shaped structures at the left inner side and the right inner side of the base frame (1); one end of the left limiting tongue (10) extends out of the left side surface of the base frame (1) to limit the bent arm connecting rod (3), and the other end of the left limiting tongue (10) penetrates through the left locking spring (8) to be connected with the left locking connecting rod (6) in a hooking mode, so that the left limiting tongue (10) can extend out and reset; the connection relation between the limiting tongue (10) on the right side and the base frame (1), the right locking spring (9) and the right locking connecting rod (7) is the same and is bilaterally symmetrical.

3. The concealed boarding step of a pick-up truck according to claim 1 or 2, characterized in that: the length of the X-direction force arm from the central point of the opening position of the pedal (2) to the rotation axis of the tail gate is 380 mm.

4. The concealed entry step of a pick-up truck according to claim 1, wherein: the base frame (1) is positioned and connected on the inner tail door plate (18) through a plurality of bolts.

Background

As the multi-purpose freight car policy became more sophisticated, more and more users began to choose pickup trucks. The existing rear part of the cargo box of the pickup truck is generally provided with a boarding pedal integrated with a rear bumper, so that a user can get on or off the cargo box conveniently. However, the boarding pedal can only be used for closing the tail door of the container, when the tail door of the container is horizontally opened, the rear bumper is shielded by the tail door of the container, the original boarding pedal cannot be used, the gap between the tail door of the container which is horizontally placed and the ground is too large, and the vehicle is very inconvenient to get on and off by a user at the moment, so that the user experience is influenced, and the labor efficiency is reduced. The conventional container boarding auxiliary devices are generally an external hanging type boarding ladder, a middle hidden pull-out type boarding ladder and a side boarding pedal, wherein the external hanging type boarding ladder and the middle hidden pull-out type boarding ladder are large in structural size and high in weight; the externally-hung boarding ladder and the laterally-arranged boarding pedals are externally mounted, occupy the functional space of the vehicle, are not attractive in appearance, and easily influence the departure angle of the vehicle. Therefore, there is a need to develop an entry step suitable for a pick-up truck.

CN207089140U discloses "automobile is with footboard of stepping on with shrink function", including mounting bracket, rhombus expansion bracket and footboard frame, the both ends of mounting bracket all are connected through rhombus expansion bracket and footboard frame, and the footboard frame includes the footboard main part, and the both ends of footboard main part all are provided with the curb plate, and the curb plate height is greater than the height of footboard main part, the top of curb plate with the one end of rhombus expansion bracket is connected, and the other end of rhombus expansion bracket is connected with the mounting bracket, and the middle part of footboard main part is provided with the boss, and the top surface of boss is the concave arc face, is provided with a plurality of first recesses on the concave arc face, is provided with a plurality of second recesses in the footboard main part, still is connected with the installation ear on the mounting bracket, is provided with the mounting hole on the installation ear. The boarding pedal has a telescopic function, does not occupy the bottom space of the automobile, ensures the original trafficability of the automobile and does not influence the performance of the automobile; when not in use, the pedal can be folded, and the usability of the pedal is improved.

The disclosed "car tail-gate footboard" of CN 206374665U, this tail-gate footboard can stretch out and draw back through its extending structure, reduces occupation space, and the simple operation. The adjustable arm is connected with the rotating gear on the rotating shaft through the gear ring at one end, the rotating gear also plays a role in supporting the movable arm, the adjusting gear is matched with the rotating gear, and the adjusting handle is connected to the outside of the adjusting gear. Therefore, the adjusting gear can be driven to rotate by rotating the handle, the adjusting gear drives the rotating gear to rotate, the rotating gear further drives the gear ring, and the gear ring drives the movable arm to move back and forth. The rotating shaft is fixed by the fixed seat and can only axially rotate, and the movable arm can move back and forth relative to the rotating shaft. The pedal can be retracted and extended back and forth along with the movable arm, is convenient to take when needed, and can be retracted to reduce the occupied space when not needed.

The technical solution disclosed in the above patent document is a useful attempt in the art, but is not suitable for pick-up trucks and solves the existing problems.

Disclosure of Invention

The invention aims to provide a concealed boarding pedal for a pick-up truck, which can enable a user to easily and conveniently board a container when a tail door of the container of the pick-up truck is flatly opened, and improves the use experience and the working efficiency of the user.

The invention relates to a concealed boarding pedal for a pickup truck, which comprises a base frame and a pedal and is characterized in that: the pedal is connected with the base frame through a bent arm connecting rod and a straight arm connecting rod to form a four-bar mechanism, and a locking mechanism is arranged on the four-bar mechanism and can control the four-bar mechanism to be opened or folded; the base frame is connected with the inner plate of the tail door of the pick-up truck in a positioning way; the pedal is flush with the outer plate of the tail door of the pick-up truck when the four-bar mechanism is folded; the base frame is in a 'L' shape, and the upper surface of the straight part of the base frame is connected with the inner plate of the tail door of the pick-up truck in a positioning way; the pedal is in an L shape, the upper ends of two sides of the vertical part of the pedal are respectively hinged with one end of a straight arm connecting rod through a first hinge shaft, and the other ends of the two straight arm connecting rods are respectively hinged with the middle parts of two sides of the straight part of the base frame through second hinge shafts; the lower ends of two sides of the vertical part of the base frame are respectively hinged with one end of a bent arm connecting rod through a fourth hinged shaft, and the other ends of the two bent arm connecting rods are respectively hinged with the middle parts of two sides of the flat part of the pedal through a third hinged shaft.

Furthermore, the locking mechanism comprises a locking spanner arranged in the middle of the upper part of the straight part of the base frame, a left locking connecting rod with one end connected with the locking spanner and the other end connected with a limiting tongue arranged on the left side of the base frame, and a right locking connecting rod with one end connected with the locking spanner and the other end connected with a limiting tongue arranged on the right side of the base frame; the left locking spring and the right locking spring are respectively arranged in the L-shaped structures at the left inner side and the right inner side of the base frame; one end of the left limiting tongue extends out of the left side surface of the base frame to limit the bent arm connecting rod, and the other end of the left limiting tongue penetrates through the left locking spring to be connected with the left locking connecting rod in a hooking mode, so that the left limiting tongue can extend out and reset; the connection relation between the limiting tongue on the right side and the base frame, the right locking spring and the right locking connecting rod is the same and is bilaterally symmetrical.

Further, the length of the X-direction force arm from the center point of the pedal opening position to the rotation axis of the tail gate is 380 mm.

Furthermore, the pedestal is connected to the inner plate of the tail gate in a positioning manner through a plurality of bolts.

The invention has the beneficial effects that:

because the four-bar linkage structural style is adopted, the stability is high, the manufacturing precision is higher, the whole pedal can be ensured to be in a stable closed state and an open state, the movement axis continuously moves downwards along with the descending of the pedal and moves towards the tail direction of the container in a combined manner, thus the complex open mode that the drawing pedal is drawn out first and then descends is avoided, the edge of the opening position of the pedal has 20mm visual width relative to the tail gate X, and a user can directly see the position of the pedal and avoid stepping on the air.

Because the hidden pedal of pedaling the vehicle does not occupy the external use space of the container in the closed state, the tail end of the pedal in the open state is close to the front relative to the rear end face of the tail door, leg collision is avoided, and safety is achieved.

Because the locking mechanism adopts simple mechanical combination to form locking and releasing functions, an electric touch switch and a complex mechanical lock body are not needed, and the number of parts and the cost are saved. The operation is simple and convenient, a complex opening process is not needed, and the pedal can automatically fall to a specified position along with the track of the guide rail only by buckling a locking buckle on the inner plate of the tail door before the tail door is stepped, so that a customer can use the pedal to get on the container.

Drawings

FIG. 1 is a front view of the closed state of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is an isometric view of the closed condition of the present invention;

FIG. 5 is an isometric view of the open condition of the present invention;

FIG. 6 is a left side view of FIG. 5;

fig. 7 is a schematic view of the present invention installed on a trunk door of a pickup truck in an open state.

FIG. 8 is a partial enlarged view of the fitting connection between the limiting tongue provided on the left side of the base frame and the adjacent member (the same fitting connection between the limiting tongue on the right side and the adjacent member is achieved)

In the figure: 1-pedestal, 2-pedal, 3-bent arm connecting rod, 4-straight arm connecting rod, 5-locking spanner, 6-left locking connecting rod, 7-right locking connecting rod, 8-left locking spring, 9-right locking spring, 10-limiting tongue, 11-right bent arm rotating spring, 12-left bent arm rotating spring, 13-first articulated shaft, 14-second articulated shaft, 15-third articulated shaft, 16-fourth articulated shaft, 17-tail door outer plate and 18-tail door inner plate.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 8, the concealed boarding pedal for pickup trucks comprises a base frame 1 and a pedal 2, and is characterized in that: the pedal 2 is connected with the base frame 1 through a bent arm connecting rod 3 and a straight arm connecting rod 4 to form a four-bar mechanism, and a locking mechanism is arranged on the four-bar mechanism and can control the four-bar mechanism to be opened or folded; the pedestal 1 is connected with a tail door inner plate 18 of a pick-up truck in a positioning way; the pedal 2 is flush with the outer plate 17 of the tail door of the pick-up truck when the four-bar linkage mechanism is folded; the four-bar mechanism is opened under the condition that the tail door of the cargo box of the pickup truck is horizontally placed, so that a user can conveniently and conveniently get on and off the cargo box; the four-bar mechanism is folded under the condition that the trunk door of the pickup truck cargo box is closed and is hidden between the trunk door inner plate and the trunk door outer plate of the pickup truck; this kind of four-bar linkage form is comparatively stable, and the preparation precision is higher, can guarantee that whole footboard is in comparatively stable closed condition and open mode, and the axis of motion constantly moves downwards and makes up to the container afterbody direction along with the footboard descends, has just so avoided the footboard of pull formula to take out earlier the complex open mode that descends, and footboard open position edge relative tail gate X to having the visual width of 20mm, and the user can directly see the footboard position, avoids stepping on empty.

The base frame 1 is in a 'L' shape, and the upper surface of the straight part of the base frame is connected with a tail door inner plate 18 of a pick-up truck in a positioning way; the pedal 2 is in an L shape, the upper ends of two sides of the vertical part of the pedal 2 are respectively hinged with one end of a straight arm connecting rod 4 through a first hinge shaft 13, and the other ends of the two straight arm connecting rods 4 are respectively hinged with the middle parts of two sides of the straight part of the base frame 1 through second hinge shafts 14; the lower ends of the two sides of the vertical part of the bed frame 1 are respectively hinged with one end of a bent arm connecting rod 3 through a fourth hinged shaft 16, and the other ends of the two bent arm connecting rods 3 are respectively hinged with the middle parts of the two sides of the straight part of the pedal 2 through third hinged shafts 15.

The locking mechanism comprises a locking spanner 5 arranged in the middle of the upper part of the straight part of the base frame 1, a left locking connecting rod 6 with one end connected with the locking spanner and the other end connected with a limit tongue 10 arranged on the left side of the base frame 1, and a right locking connecting rod 7 with one end connected with the locking spanner and the other end connected with a limit tongue 10 arranged on the right side of the base frame 1; the left locking spring 8 and the right locking spring 9 are respectively arranged in an L-shaped structure at the left inner side and the right inner side of the base frame 1; one end of a limiting tongue 10 on the left side extends out of the left side surface of the base frame 1 to limit the bent arm connecting rod 3, and the other end of the limiting tongue 10 passes through a left locking spring 8 to be hooked and connected with a left locking connecting rod 6, so that the limiting tongue 10 on the left side can extend out and reset; the connection relationship between the limiting tongue 10 on the right side and the base frame 1, the right locking spring 9 and the right locking connecting rod 7 is the same and is symmetrical left and right. Pulling a locking spanner to drive a left locking connecting rod and a right locking connecting rod to move in opposite directions and compress a spring, so that the bent arm connecting rod loses the limit and starts to move downwards, the pedal is driven to rotate to move downwards, the pedal rotates to move downwards to drive the straight arm connecting rod to move downwards, and finally the pedal falls at the lowest point to stop moving; after the locking handle returns, the left locking spring and the right locking spring rebound to the initial positions, when the pedal of the bicycle is closed, the limiting tongue automatically avoids the bent arm connecting rod through self inclination, and closing and resetting of the pedal ladder of the bicycle are completed. The locking mechanism adopts simple mechanical combination to form locking and releasing functions, does not need an electric touch switch and a complex mechanical lock body, and saves the number of parts and cost.

The length of the arm in the X direction from the central point of the opening position of the pedal 2 to the rotation axis of the tail gate is 380 mm. The pedal is obviously shorter than the stepping force arm (CCP is about 650 mm) of other vehicle types, the bearing condition of the tail gate can be effectively improved, the bearing capacity is improved by 1.5 times, the bearing upper limit of the pedal of the bicycle is improved under the condition of the same torque, and the service life is longer under the condition of the same stress.

The base frame 1 is positioned and connected on the inner plate 18 of the tail door through a plurality of bolts.

When the device is used, after the operating personnel opens the tail door of the cargo box of the pickup truck, the hidden boarding pedal is opened from the lower part of the tail door of the cargo box, and the cargo box can be easily and conveniently landed.

It is obvious that the contents described in the above embodiments are only a part of the embodiments of the present invention. And not all embodiments, therefore, all other embodiments that can be made by one of ordinary skill in the art without making any inventive changes to the embodiments described herein are within the scope of the present invention.

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