CN216069519U

CN216069519U - Thrust rod with anti-loosening device

Info

Publication number: CN216069519U
Application number: CN202122217716.5U
Authority: CN
Inventors: 李冠军
Original assignee: Hebei Lintong Machinery Manufacturing Co ltd
Current assignee: Hebei Lintong Machinery Manufacturing Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-03-18
Anticipated expiration: 2031-09-14

Abstract

The utility model relates to the technical field of thrust rods, and provides a thrust rod with a locking device. Through above-mentioned technical scheme, the problem that the bolt that is used for connecting the thrust bar among the prior art takes place to become flexible easily is solved.

Description

Thrust rod with anti-loosening device

Technical Field

The utility model relates to the technical field of thrust rods, in particular to a thrust rod with a locking device.

Background

The balance suspension of the heavy truck comprises a thrust rod, on one hand, the thrust rod plays a role in transmitting traction force, braking force and corresponding reaction moment of the traction force and the braking force, on the other hand, the positioning of a frame and an axle is realized, the running safety and stability of the vehicle are ensured, and the balance suspension belongs to a key structure on the balance suspension.

At present, a thrust rod is generally fastened by using a thrust rod pin and bolt structure, however, the bolt structure becomes loose due to external acting force and the like after a period of time, and therefore fastening must be carried out again, otherwise, once the bolt connection fails, parts are damaged, and driving danger may be caused if the bolt connection fails lightly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a thrust rod with a locking device, which solves the problem of the thrust rod with the locking device in the related art.

The technical scheme of the utility model is as follows:

the utility model provides a distance rod with locking device, includes the distance rod body, distance rod body rear end fixedly connected with fixed frame, sliding connection has the ball in the fixed frame, the locking subassembly of ball side fixedly connected with second, sliding connection has first locking subassembly in the locking subassembly of second.

As a further scheme of the utility model: the fixed frame is spherical and annular, an arc groove is formed in the fixed frame, the diameter of openings on two sides of the fixed frame is smaller than the maximum diameter of the ball, and the ball can stably slide in the fixed frame during operation.

As a further scheme of the utility model: the second anti-loosening assembly comprises a fixed plate, a moving ring, a first connecting block, a linkage rod, a second connecting block, a sliding block, an inserting rod, a first spring, a second spring, a sliding hole and a sliding groove, the fixed plate is fixedly connected with the round ball, the sliding groove is formed in the front end face of the fixed plate, the sliding block is connected in the sliding groove in a sliding mode, the second connecting block is fixedly connected to the front end of the sliding block, the linkage rod is rotatably connected to the front end of the second connecting block, the end, away from the second connecting block, of the linkage rod is rotatably connected with the first connecting block, and the moving ring is fixedly connected to the lower end of the first connecting block; the slider upper end fixedly connected with inserted bar, the during operation along with the removal of shift ring, at this moment drives the slider and slides in the spout under the effect of first connecting block, second connecting block and trace, also drives the inserted bar simultaneously and removes.

As a further scheme of the utility model: the utility model discloses a locking bolt, including shift ring, fixed connection, second spring, fixed plate, the during operation, along with the removal of shift ring, at this moment can reach the extrusion to the second spring, also gives a reaction force for the shift ring at this moment under the effect of second spring, and the shift ring will be counterthrust locking bolt like this to can reach locking purpose.

As a further scheme of the utility model: the lower end of the sliding block is fixedly connected with a first spring, and the first spring is fixedly connected with the inner wall of the sliding chute; the end faces of the sliding groove and the sliding block are in a cross shape, so that the sliding block can stably slide in the sliding groove during working, and the sliding block can conveniently slide in the sliding groove under the action of the first spring.

As a further scheme of the utility model: the side end face of the fixing plate is provided with a sliding hole, the sliding hole penetrates through the sliding groove, the inserting rod is connected in the sliding hole in a sliding mode, and the inserting rod is driven to move through the movement of the sliding block during operation, so that the inserting rod can conveniently slide in the sliding hole.

As a further scheme of the utility model: first locking subassembly is including lock nut, connecting plate, check bolt and quad slit, sliding connection has lock bolt in the fixed plate, lock bolt threaded connection has lock nut, lock nut side fixedly connected with connecting plate, the quad slit has been seted up to the connecting plate side end face, and the during operation passes lock bolt the fixed plate, corresponds lock nut simultaneously and installs on the fixed plate, at this moment rotates lock bolt, then under lock nut's cooperation, can make lock bolt move while rotating, when screwing up lock bolt, at this moment bends the front end of connecting plate, closely laminates with the fixed plate, just so can reach the purpose that prevents the bolt not hard up.

As a further scheme of the utility model: the square hole and the sliding hole are kept flat, and during work, the square hole and the sliding hole are kept flat, so that the insertion rod can be conveniently inserted into the square hole.

The working principle and the beneficial effects of the utility model are as follows:

according to the anti-loosening device, the anti-loosening bolt is rotated under the matching of the first anti-loosening assembly and the second anti-loosening assembly, the moving ring is extruded, the moving ring is subjected to opposite force under the action of the second spring, the anti-loosening bolt is extruded by the moving ring, the anti-loosening purpose is achieved, meanwhile, when the anti-loosening bolt is tightened, the front end of the connecting plate is bent, the connecting plate is tightly attached to the fixing plate, the anti-loosening purpose of the anti-loosening bolt can be achieved, the problem that the bolt is easy to loosen when a driving thrust rod is fixed by the bolt is solved, and the safety is greatly improved.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

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

FIG. 2 is a schematic structural view illustrating the first locking assembly and the second locking assembly being disassembled;

FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the portion B in FIG. 2 according to the present invention.

In the figure: 1-thrust rod body, 2-fixed frame, 3-ball, 4-first anti-loose assembly, 401-anti-loose nut, 402-connecting plate, 403-anti-loose bolt, 404-square hole, 5-second anti-loose assembly, 501-fixed plate, 502-moving ring, 503-first connecting block, 504-linkage rod, 505-second connecting block, 506-sliding block, 507-inserted rod, 508-first spring, 509-second spring, 510-sliding hole and 511-sliding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 inventive step, are intended to be within the scope of the present invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, a thrust rod with an anti-loosening device includes a thrust rod body 1, a fixing frame 2 is fixedly connected to a rear end of the thrust rod body 1, a ball 3 is slidably connected to the fixing frame 2, a second anti-loosening assembly 5 is fixedly connected to a side end of the ball 3, and a first anti-loosening assembly 4 is slidably connected to the second anti-loosening assembly 5.

As a further embodiment of the utility model: the fixed frame 2 is in a spherical ring shape, an arc groove is formed in the fixed frame 2, the diameter of openings at two sides of the fixed frame 2 is smaller than the maximum diameter of the ball 3, and the ball 3 can stably slide in the fixed frame 2 during operation.

As a further embodiment of the utility model: the second anti-loose assembly 5 comprises a fixing plate 501, a moving ring 502, a first connecting block 503, a linkage rod 504, a second connecting block 505, a sliding block 506, an inserting rod 507, a first spring 508, a second spring 509, a sliding hole 510 and a sliding groove 511, wherein the fixing plate 501 is fixedly connected with the ball 3, the sliding groove 511 is formed in the front end surface of the fixing plate 501, the sliding block 506 is slidably connected in the sliding groove 511, the second connecting block 505 is fixedly connected to the front end of the sliding block 506, the linkage rod 504 is rotatably connected to the front end of the second connecting block 505, the first connecting block 503 is rotatably connected to one end, far away from the second connecting block 505, of the linkage rod 504, and the moving ring 502 is fixedly connected to the lower end of the first connecting block 503; the upper end of the sliding block 506 is fixedly connected with an insertion rod 507, and during operation, along with the movement of the moving ring 502, the sliding block 506 is driven to slide in the sliding groove 511 under the action of the first connecting block 503, the second connecting block 505 and the linkage rod 504, and the insertion rod 507 is driven to move.

As a further embodiment of the utility model: the rear end of the moving ring 502 is fixedly connected with a second spring 509, the second spring 509 is fixedly connected with the fixed plate 501, in operation, along with the movement of the moving ring 502, the second spring 509 can be extruded, a reaction force is also provided for the moving ring 502 under the action of the second spring 509, and therefore the moving ring 502 can reversely push the anti-loosening bolt 403, and the anti-loosening purpose can be achieved.

As a further embodiment of the utility model: the lower end of the sliding block 506 is fixedly connected with a first spring 508, and the first spring 508 is fixedly connected with the inner wall of the sliding groove 511; the end surfaces of the sliding slot 511 and the sliding block 506 are cross-shaped, so that the sliding block 506 can stably slide in the sliding slot 511 during operation, and the sliding block 506 can conveniently slide in the sliding slot 511 under the action of the first spring 508.

As a further embodiment of the utility model: the side end face of the fixing plate 501 is provided with a sliding hole 510, the sliding hole 510 penetrates through the sliding groove 511, the inserting rod 507 is connected in the sliding hole 510 in a sliding manner, and when the fixing plate works, the sliding block 506 moves to drive the inserting rod 507 to move, so that the inserting rod 507 can conveniently slide in the sliding hole 510.

As a further embodiment of the utility model: first locking subassembly 4 is including locknut 401, connecting plate 402, lockbolt 403 and quad slit 404, sliding connection has lockbolt 403 in fixed plate 501, lockbolt 403 threaded connection has locknut 401, locknut 401 side fixedly connected with connecting plate 402, quad slit 404 has been seted up to connecting plate 402 side end face, in operation, pass lockbolt 403 fixed plate 501, correspond locknut 401 and install on fixed plate 501 simultaneously, at this moment, lockbolt 403 rotates, then under locknut 401's cooperation, can make lockbolt 403 remove while rotating, when screwing up lockbolt 403, at this moment, bend the front end of connecting plate 402, closely laminate with fixed plate 501, just so can reach the purpose that prevents the bolt from becoming flexible.

As a further embodiment of the utility model: the square hole 404 and the sliding hole 510 are kept flat, and during operation, the insertion rod 507 can be conveniently inserted into the square hole 404 because the square hole 404 and the sliding hole 510 are kept flat.

The working principle of the utility model is as follows:

when the utility model is used, the anti-loose bolt 403 penetrates through the fixing plate 501, the anti-loose nut 401 is correspondingly arranged on the fixing plate 501, the anti-loose bolt 403 is rotated, the anti-loose bolt 403 can move while rotating under the matching of the anti-loose nut 401, when the anti-loose bolt 403 is screwed, the front end of the connecting plate 402 is bent to be tightly attached to the fixing plate 501, so that the aim of preventing the bolt from loosening is achieved, the moving ring 502 is driven to move along with the movement of the anti-loose bolt 403, the sliding block 506 is driven to slide in the sliding groove 511 under the action of the first connecting block 503, the second connecting block 505 and the linkage rod 504, the inserting rod 507 is driven to move, the inserting rod 507 is inserted into the square hole 404, so that the connecting plate 402 is blocked, meanwhile, the moving ring 502 moves, and the second spring 509 is extruded, at this time, a reaction force is also applied to the moving ring 502 by the second spring 509, so that the moving ring 502 pushes the locking bolt 403 against the locking bolt, thereby achieving the purpose of locking.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a distance rod with locking device, its characterized in that, includes distance rod body (1), distance rod body (1) rear end fixedly connected with fixes frame (2), sliding connection has ball (3) in fixed frame (2), ball (3) side fixedly connected with second locking subassembly (5), sliding connection has first locking subassembly (4) in second locking subassembly (5).

2. The thrust rod with the anti-loosening device according to claim 1, wherein the fixing frame (2) is spherical and annular, an arc groove is formed in the fixing frame (2), and the diameter of the opening at two sides of the fixing frame (2) is smaller than the maximum diameter of the round ball (3).

3. The thrust rod with the anti-loosening device according to claim 1, wherein the second anti-loosening assembly (5) comprises a fixing plate (501), a moving ring (502), a first connecting block (503), a linkage rod (504), a second connecting block (505), a sliding block (506), an insertion rod (507), a first spring (508), a second spring (509), a sliding hole (510) and a sliding groove (511), the fixing plate (501) is fixedly connected with the spherical ball (3), the sliding groove (511) is formed in the front end surface of the fixing plate (501), the sliding block (506) is slidably connected in the sliding groove (511), the second connecting block (505) is fixedly connected to the front end of the sliding block (506), the linkage rod (504) is rotatably connected to the front end of the second connecting block (505), and the first connecting block (503) is rotatably connected to one end of the linkage rod (504) far away from the second connecting block (505), the lower end of the first connecting block (503) is fixedly connected with a moving ring (502); the upper end of the sliding block (506) is fixedly connected with an inserted bar (507).

4. The thrust rod with the anti-loosening device as claimed in claim 3, wherein a second spring (509) is fixedly connected to the rear end of the moving ring (502), and the second spring (509) is fixedly connected to the fixed plate (501).

5. The thrust rod with the anti-loosening device as claimed in claim 3, wherein a first spring (508) is fixedly connected to the lower end of the sliding block (506), and the first spring (508) is fixedly connected with the inner wall of the sliding groove (511); the end surfaces of the sliding groove (511) and the sliding block (506) are in a cross shape.

6. The thrust rod with the anti-loosening device as claimed in claim 3, wherein a sliding hole (510) is formed in the end face of the fixing plate (501), the sliding hole (510) penetrates through the sliding groove (511), and an insertion rod (507) is slidably connected in the sliding hole (510).

7. The thrust rod with the anti-loosening device according to claim 3, wherein the first anti-loosening assembly (4) comprises an anti-loosening nut (401), a connecting plate (402), an anti-loosening bolt (403) and a square hole (404), the anti-loosening bolt (403) is slidably connected in the fixing plate (501), the anti-loosening bolt (403) is in threaded connection with the anti-loosening nut (401), the connecting plate (402) is fixedly connected to the side end of the anti-loosening nut (401), and the square hole (404) is formed in the side end face of the connecting plate (402).

8. The thrust rod with the anti-loosening device as claimed in claim 7, wherein the square hole (404) is kept flat with the sliding hole (510).