1. The utility model provides a frictional force attenuator formula automobile shock absorber ware, includes fixed plate (1), even board (2) and screw thread round pin (3), the lower surface of fixed plate (1) is equipped with even board (2), even the upper surface and the fixed plate (1) of board (2) are laminated mutually, the inside through-hole clearance fit of even board (2) has screw thread round pin (3), two the top of screw thread round pin (3) all with the lower surface looks rigid coupling of fixed plate (1), its characterized in that: the outer wall of the threaded pin (3) is provided with an anti-falling mechanism (4);

the anti-falling mechanism (4) comprises a nut (401), a ring (402), a reed (403) and a pin shaft (404);

two the inside of nut (401) all with the outer wall threaded connection of threaded pin (3), the lower surface laminating of nut (401) has ring (402), the inside through-hole and the threaded pin (3) clearance fit of ring (402), reed (403) are all installed at the both ends of ring (402), the bottom of reed (403) is through round pin axle (404) and ring (402) activity link to each other, the top of reed (403) closely laminates with the inside recess of even board (2).

2. A friction damper type shock absorber for vehicle according to claim 1, wherein: the lower surface rigid coupling of fixed plate (1) has attenuator (8), the bottom rigid coupling of attenuator (8) has base (9).

3. A friction damper type shock absorber for vehicle according to claim 2, wherein: the upper surface rigid coupling of base (9) has protecting crust (10), the internally mounted of protecting crust (10) has mounting panel (11).

4. A friction damper type shock absorber for vehicle according to claim 1, wherein: the bottom end of the connecting plate (2) is fixedly connected with a friction mechanism (5);

the friction mechanism (5) comprises a groove plate (501), a sloping plate (502), a cross rod (503) and a torsion spring (504);

the top of frid (501) and the lower surface looks rigid coupling of even board (2), the inside swing joint of frid (501) has swash plate (502), the inside rigid coupling of frid (501) has horizontal pole (503), two the equal clearance fit of outer wall of horizontal pole (503) has torque spring (504), two one side of torque spring (504) all laminates mutually with frid (501), the opposite side and swash plate (502) of torque spring (504) laminate mutually, one side that torque spring (504) were kept away from in swash plate (502) all laminates mutually with mounting panel (11).

5. A friction damper type shock absorber for vehicle according to claim 3, wherein: a damping mechanism (6) is arranged in the mounting plate (11);

the damping mechanism (6) comprises a mounting frame (601), a round roller (602), a fixing plate (603) and an extension spring (604);

two the top of mounting bracket (601) all links to each other with mounting panel (11) activity, the bottom swing joint of mounting bracket (601) has round roller (602), one side rigid coupling that mounting panel (11) were kept away from in mounting bracket (601) has fixed plate (603), the outer wall rigid coupling of fixed plate (603) has extension spring (604), the top and mounting panel (11) looks rigid coupling of extension spring (604).

6. The friction damper type shock absorber for vehicles according to claim 5, wherein: the mounting frames (601) are symmetrically distributed about the mounting plate (11).

7. A friction damper type shock absorber for vehicle according to claim 3, wherein: fixing mechanisms (7) are mounted on two sides of the protective shell (10);

the fixing mechanism (7) comprises a rectangular plate (701), a bolt (702) and a bolt (703);

two the outer wall of rectangular plate (701) all laminates with protective case (10) mutually, one side rigid coupling that rectangular plate (701) is close to protective case (10) has bolt (702), the outer wall of bolt (702) runs through the inside through-hole clearance fit of protective case (10) and mounting panel (11), the outer wall and protective case (10) clearance fit of bolt (702), the inside clearance fit of rectangular plate (701) has bolt (703), the outer wall of bolt (703) runs through rectangular plate (701) and protective case (10) threaded connection.

8. A friction damper type shock absorber for vehicle according to claim 1, wherein: even the bottom rigid coupling of board (2) has montant (12), two compression spring (13) and mounting panel (11) and rubber block (14) looks rigid coupling are all run through to the bottom of montant (12), the outer wall and the laminating of circle roller (602) of rubber block (14) mutually, the outer wall and mounting panel (11) clearance fit of montant (12), the inside of compression spring (13) and the outer wall clearance fit of montant (12), the upper and lower both ends of compression spring (13) laminate with even board (2) and mounting panel (11) respectively mutually.

Background

In order to quickly attenuate the vibration of a frame and a vehicle body and improve the smoothness and the comfort of the running of an automobile, a shock absorber is generally arranged on an automobile suspension system, a bidirectional-acting cylinder type shock absorber is widely adopted on the automobile, the shock absorber is a vulnerable part in the using process of the automobile, and the working condition of the shock absorber directly influences the running stability of the automobile and the service life of other parts, so that the shock absorber is always in a good working state. However, in the conventional friction damper type automobile shock absorber, the nut for connecting the fixing plate is easy to fall off due to vibration, so that the practicability of the whole mechanism is reduced, the compression spring can rebound instantly after external force is removed, and the shock absorption effect is general.

Disclosure of Invention

The invention aims to provide a friction damper type automobile shock absorber, which aims to solve the problem that the practicability of the whole mechanism is reduced because a nut for connecting a fixing plate is easy to fall off due to vibration in the conventional friction damper type automobile shock absorber in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a friction damper type automobile shock absorber comprises a fixed plate, connecting plates and threaded pins, wherein the connecting plates are arranged on the lower surface of the fixed plate, the upper surfaces of the connecting plates are attached to the fixed plate, the threaded pins are in clearance fit with through holes in the connecting plates, the top ends of the two threaded pins are fixedly connected with the lower surface of the fixed plate, and anti-falling mechanisms are mounted on the outer walls of the threaded pins;

the anti-falling mechanism comprises a nut, a circular ring, a reed and a pin shaft;

two the inside of nut all with the outer wall threaded connection of threaded pin, the lower surface laminating of nut has the ring, the inside through-hole and the threaded pin clearance fit of ring, the reed is all installed at the both ends of ring, the bottom of reed links to each other with the ring activity through the round pin axle, the top of reed closely laminates with the inside recess of even board. The nut is prevented from falling off.

Preferably, the lower surface of the fixed plate is fixedly connected with a damper, and the bottom end of the damper is fixedly connected with a base.

Preferably, the upper surface rigid coupling of base has the protecting crust, the internally mounted of protecting crust has the mounting panel.

Preferably, the bottom end of the connecting plate is fixedly connected with a friction mechanism;

the friction mechanism comprises a groove plate, an inclined plate, a cross rod and a torsion spring;

the top of frid and the lower surface looks rigid coupling of company's board, the inside swing joint of frid has the swash plate, the inside rigid coupling of frid has the horizontal pole, two the equal clearance fit of outer wall of horizontal pole has torque spring, two one side of torque spring all laminates with the frid mutually, torque spring's opposite side and swash plate laminate mutually, one side that torque spring was kept away from to the swash plate all laminates with the mounting panel mutually. Preventing the spring from rebounding instantly.

Preferably, a damping mechanism is installed inside the mounting plate;

the damping mechanism comprises a mounting frame, a round roller, a fixing plate and an extension spring;

two the top of mounting bracket all links to each other with the mounting panel activity, the bottom swing joint of mounting bracket has the round roller, one side rigid coupling that the mounting panel was kept away from to the mounting bracket has the fixed plate, the outer wall rigid coupling of fixed plate has extension spring, extension spring's top and mounting panel looks rigid coupling. The shock absorption effect is increased.

Preferably, the mounting brackets are symmetrically distributed about the mounting plate.

Preferably, fixing mechanisms are mounted on two sides of the protective shell;

the fixing mechanism comprises a rectangular plate, a bolt and a bolt;

two the outer wall of rectangular plate all laminates with the protective case mutually, one side rigid coupling that the rectangular plate is close to the protective case has the bolt, the outer wall of bolt runs through the inside through-hole clearance fit of protective case and mounting panel, the outer wall and the protective case clearance fit of bolt, the inside clearance fit of rectangular plate has the bolt, the outer wall of bolt runs through rectangular plate and protective case threaded connection. The mounting plate is convenient to disassemble.

Preferably, the bottom rigid coupling of even board has the montant, two compression spring and mounting panel and rubber block looks rigid coupling are all run through to the bottom of montant, the outer wall and the laminating of circle roller looks of rubber block, the outer wall and the mounting panel clearance fit of montant, compression spring's inside and the outer wall clearance fit of montant, compression spring's upper and lower both ends laminate mutually with even board and mounting panel respectively. The compression spring performs a first damping.

Compared with the prior art, the invention has the beneficial effects that: this friction damper formula automobile shock absorber ware for traditional technique, has following advantage:

the fixing plate drives the threaded pin to be inserted into the through hole of the connecting plate through the matching use of the nut, the circular ring, the reeds, the pin shaft and the like, then the nut is in threaded connection with the threaded pin, the circular ring is sleeved on the outer wall of the threaded pin, the circular ring is attached to the nut, the two reeds are rotated to be inserted into the groove of the connecting plate, and the nut is prevented from loosening and falling off during vibration;

through the matching use of the groove plate, the inclined plate, the cross rod, the torsion spring and the like, when the fixed plate drives the connecting plate to move upwards, the connecting plate drives the groove plate to move, the groove plate drives the inclined plate to move, the inclined plate moves in the mounting plate to compress the torsion spring on the outer wall of the cross rod, and the torsion spring increases the friction force between the inclined plate and the mounting plate to prevent the compression spring from rebounding instantly;

through the matching use of the mounting frame, the round roller, the fixed plate, the extension spring and the like, the rubber block pushes the round roller to move, the round roller drives the mounting frame to rotate, the mounting frame drives the extension spring to deform through the fixed plate, and the elastic force of the extension spring is utilized for secondary damping, so that the damping effect is ensured;

the rectangular plate, the bolt and the like are matched for use, the bolt is rotated to be separated from the rectangular plate, the rectangular plate is pulled to drive the bolt to be separated from the protective shell, the mounting plate can be detached, and the mounting plate and the protective shell are convenient to mount and dismount.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the connection structure of the anti-falling mechanism and the connecting plate in FIG. 2;

FIG. 4 is a schematic view of the connection structure of the friction mechanism and the mounting plate in FIG. 2;

FIG. 5 is a schematic view of the connection structure between the damping mechanism and the mounting plate in FIG. 2;

fig. 6 is a schematic view of a connection structure of the fixing mechanism and the protective shell in fig. 2.

In the figure: 1. the fixed plate, 2, link board, 3, threaded pin, 4, anti-drop mechanism, 401, nut, 402, ring, 403, reed, 404, round pin axle, 5, friction mechanism, 501, frid, 502, swash plate, 503, horizontal pole, 504, torsion spring, 6, damper, 601, mounting bracket, 602, round roller, 603, fixed plate, 604, extension spring, 7, fixed establishment, 701, rectangular plate, 702, bolt, 703, bolt, 8, attenuator, 9, base, 10, protective housing, 11, mounting panel, 12, montant, 13, compression spring, 14, block rubber.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a friction damper type automobile shock absorber comprises a fixing plate 1, a connecting plate 2 and a threaded pin 3, wherein the lower surface of the fixing plate 1 is provided with the connecting plate 2, the upper surface of the connecting plate 2 is attached to the fixing plate 1, a through hole is processed in the connecting plate 2, the threaded pin 3 is in clearance fit with the through hole in the connecting plate 2, the top ends of the two threaded pins 3 are fixedly connected with the lower surface of the fixing plate 1, the outer wall of the threaded pin 3 is provided with an anti-falling mechanism 4, the anti-falling mechanism 4 comprises a nut 401, a ring 402, a reed 403 and a pin shaft 404, the interiors of the two nuts 401 are in threaded connection with the outer wall of the threaded pin 3, the connecting plate 2 and the fixing plate 1 are connected together through the threaded pin 3 by the nut 401, the lower surface of the nut 401 is attached to a ring 402, the through hole in the ring 402 is in clearance fit with the threaded pin 3, the reeds 403 are installed at the two ends of the ring 402 and can deform, the bottom ends of the reeds 403 are movably connected with the ring 402 through the pin shaft 404, the reed 403 rotates in the circular ring 402 through the pin shaft 404, and the top end of the reed 403 is tightly attached to the inner groove of the connecting plate 2;

through the cooperation use of nut, ring, reed and round pin axle etc. drive the screw pin with the fixed plate and insert even the through-hole of board, use nut and screw pin threaded connection afterwards, overlap the outer wall at the screw pin with the ring after that, the ring laminates mutually with the nut, rotates two reeds and inserts even the recess of board, and the nut is not hard up when preventing to shake takes place to drop.

The lower surface rigid coupling of fixed plate 1 has attenuator 8, and attenuator 8 is prior art, does not describe repeatedly, and attenuator 8's bottom rigid coupling has base 9, and base 9's upper surface rigid coupling has protective housing 10, and protective housing 10 is the cavity, and the internally mounted of protective housing 10 has mounting panel 11, and processing has the through-hole in the mounting panel 11.

The bottom end of the connecting plate 2 is fixedly connected with a friction mechanism 5, the friction mechanism 5 comprises a groove plate 501, an inclined plate 502, a cross rod 503 and a torsion spring 504, the top end of the groove plate 501 is fixedly connected with the lower surface of the connecting plate 2, the inclined plate 502 is movably connected inside the groove plate 501, the inclined plate 502 is movably connected with the groove plate 501 through a bayonet lock, the cross rod 503 is fixedly connected inside the groove plate 501, the outer walls of the two cross rods 503 are in clearance fit with the torsion spring 504, one sides of the two torsion springs 504 are both attached to the groove plate 501, the cross rod 503 is connected with the torsion spring 504, the other side of the torsion spring 504 is attached to the inclined plate 502, one side of the inclined plate 502 far away from the torsion spring 504 is both attached to the mounting plate 11, and the torsion spring 504 is pressed by the inclined plate 502 to deform;

through the cooperation use of frid, swash plate, horizontal pole and torque spring etc. when the fixed plate drives even board rebound, even board drives the frid and removes, and the frid drives the swash plate and removes, and the swash plate removes in the mounting panel and compresses torque spring at the outer wall of horizontal pole, and torque spring increases the frictional force between swash plate and the mounting panel, prevents compression spring resilience in the twinkling of an eye.

The damping mechanism 6 is installed inside the mounting plate 11, the damping mechanism 6 comprises mounting frames 601, round rollers 602, a fixing plate 603 and extension springs 604, the top ends of the two mounting frames 601 are movably connected with the mounting plate 11, the mounting frames 601 are movably connected with the mounting plate 11 through bayonet pins, the bottom ends of the mounting frames 601 are movably connected with the round rollers 602, one side, away from the mounting plate 11, of each mounting frame 601 is fixedly connected with the fixing plate 603, the outer wall of each fixing plate 603 is fixedly connected with the extension springs 604, the extension springs 604 connect the fixing plate 603 with the mounting plate 11, the top ends of the extension springs 604 are fixedly connected with the mounting plate 11, the mounting frames 601 are symmetrically distributed about the mounting plate 11, and the two mounting frames 601 are installed in the mounting plate 11;

through the cooperation use of mounting bracket, round roller, fixed plate and extension spring etc., the rubber block promotes the round roller and removes, and the round roller drives the mounting bracket and takes place to rotate, and the mounting bracket drives extension spring through the fixed plate and takes place deformation, utilizes extension spring's elasticity secondary to carry out the shock attenuation, guarantees the shock attenuation effect.

Fixing mechanisms 7 are mounted on two sides of the protective shell 10, each fixing mechanism 7 comprises a rectangular plate 701, a bolt 702 and a bolt 703, the outer walls of the two rectangular plates 701 are attached to the protective shell 10, one side, close to the protective shell 10, of each rectangular plate 701 is fixedly connected with the bolt 702, the bolts 702 are inserted into grooves of the mounting plates 11, the outer walls of the bolts 702 penetrate through the protective shell 10 and are in clearance fit with inner through holes of the mounting plates 11, the outer walls of the bolts 702 are in clearance fit with the protective shell 10, the rectangular plates 701 and the protective shell 10 are connected together through the bolts 703, the bolts 703 are in clearance fit inside the rectangular plates 701, and the outer walls of the bolts 703 penetrate through the rectangular plates 701 and are in threaded connection with the;

the rectangular plate, the bolt and the like are matched for use, the bolt is rotated to be separated from the rectangular plate, the rectangular plate is pulled to drive the bolt to be separated from the protective shell, the mounting plate can be detached, and the mounting plate and the protective shell are convenient to mount and dismount.

Even the bottom rigid coupling of board 2 has montant 12, compression spring 13 and mounting panel 11 and rubber block 14 looks rigid coupling are all run through to the bottom of two montants 12, montant 12 moves down in mounting panel 11 and compresses compression spring 13, the outer wall and the laminating of circle roller 602 of rubber block 14 mutually, the outer wall and the mounting panel 11 clearance fit of montant 12, rubber block 14 drives circle roller 602 and removes, the inside of compression spring 13 and the outer wall clearance fit of montant 12, the upper and lower both ends of compression spring 13 laminate with even board 2 and mounting panel 11 mutually respectively.

In this example, when using the friction damper type automobile shock absorber, firstly, the fixing plate 1 drives the threaded pin 3 to be inserted into the through hole of the connecting plate 2, then the nut 401 is in threaded connection with the threaded pin 3, then the ring 402 is sleeved on the outer wall of the threaded pin 3, the ring 402 is attached to the nut 401, the two reeds 403 are rotated to be inserted into the groove of the connecting plate 2, then the damper 8 is installed between the fixing plate 1 and the base 9, when the fixing plate 1 is forced to drive the vertical rod 12 to move downwards in the installation plate 11, the connecting plate 2 compresses the compression spring 13, meanwhile, the vertical rod 12 drives the rubber block 14 to move, the rubber block 14 drives the round roller 602 to move, the round roller 602 drives the installation frame 601 to rotate, the installation frame 601 drives the extension spring 604 to deform through the fixing plate 603, when the fixing plate 1 drives the connecting plate 2 to move upwards, the connecting plate 2 drives the grooved plate 501 to move, the groove plate 501 drives the inclined plate 502 to move, the inclined plate 502 moves in the mounting plate 11 to compress the torsion spring 504 on the outer wall of the cross rod 503, the rotating bolt 703 is separated from the rectangular plate 701, the rectangular plate 701 is pulled to drive the bolt 702 to be separated from the protective shell 10, and the mounting plate 11 can be detached.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.