CN219299836U

CN219299836U - Impact-resistant brake adjusting arm

Info

Publication number: CN219299836U
Application number: CN202320010938.6U
Authority: CN
Inventors: 谈志良; 熊珍
Original assignee: Hangzhou Hefeng Machinery Co ltd
Current assignee: Hangzhou Hefeng Machinery Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-07-04
Anticipated expiration: 2033-01-04

Abstract

The utility model discloses an impact-resistant brake adjusting arm which comprises a shell, wherein a connecting block is arranged at the top end of the shell, a telescopic rod is arranged on one side of the connecting block, a movable rod is arranged on one side of the connecting block, which is far away from the telescopic rod, the movable rod is connected with the shell through an adjusting rod, a first rotating shaft which is transversely arranged is arranged in the shell, a worm is fixedly sleeved on the outer wall of the first rotating shaft, a worm wheel which is matched with the worm is arranged in the shell and is positioned at the bottom end of the worm, and two sides of the first rotating shaft extend out of the shell and are connected with a correcting component. The beneficial effects are that: the worm is used for a long time and is influenced by external force impact to cause inclination, so that the meshing angle of the worm and the worm wheel is increased in problem and abrasion, the correction of the worm is facilitated by adding the correction component, the worm is fully meshed with the worm wheel, friction is reduced, the service life of the worm is prolonged, and meanwhile, the impact resistance of the worm is further improved.

Description

Impact-resistant brake adjusting arm

Technical Field

The utility model relates to the technical field of adjusting arms, in particular to an impact-resistant brake adjusting arm.

Background

The brake clearance automatic adjustment arm is also referred to as an "automatic clearance adjustment arm" or "automatic adjustment arm". The automatic adjusting arm is a mature technology abroad and is widely applied, and in recent years, manufacturers of trucks, buses and trailers in European, american and other areas have used the automatic adjusting arm as a standard configuration of the whole vehicle.

According to the automatic adjusting arm of the pneumatic brake cam shaft disclosed in Chinese patent CN202121641711.9, the telescopic rod is fixed on a vehicle body according to the cooperation setting between connecting rod, adjusting pull rod, sheath, connecting block, connecting cylinder, bolt and telescopic rod, then one end of the telescopic rod is fixed through the connecting cylinder joint, then the connecting cylinder and the telescopic rod are fixed through the bolt, the telescopic rod stretches out and draws back when adjusting, then the shell is driven through the connecting block to adjust, then the shell drives the connecting rod and then adjusts through the adjusting pull rod, the worm of the existing adjusting arm is influenced by external force impact and can be inclined in the using process, the problem occurs between the worm and the worm wheel meshing angle, and the service life of the adjusting arm is further influenced.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

Aiming at the problems in the related art, the utility model provides an impact-resistant brake adjusting arm, which aims to overcome the technical problems in the prior art.

For this purpose, the utility model adopts the following specific technical scheme:

the utility model provides an impact-resistant brake adjustment arm, includes the casing, the casing top is equipped with the connecting block, connecting block one side is equipped with the telescopic link, the connecting block is kept away from one side of telescopic link is equipped with the movable rod, the movable rod pass through the regulation pole with the casing is connected, be equipped with the pivot one of horizontal setting in the casing, the fixed cover of a pivot outer wall is equipped with the worm, just be located in the casing the worm bottom is equipped with the assorted worm wheel with it, a pivot both sides extend to outside the casing and all be connected with the return assembly.

Preferably, the aligning component comprises an adjusting box fixedly arranged on one side of the shell, a gear is arranged in the adjusting box, the gear is connected with the adjusting box through a second rotating shaft, racks which are symmetrically arranged are arranged on two sides of the gear, the racks are meshed with the gear, an installing sleeve is sleeved on the outer wall of the rotating shaft and is positioned outside the shell, and L-shaped connecting frames which extend out of the adjusting box and are respectively connected with the installing sleeves are arranged on the racks.

Preferably, the second top end of the rotating shaft extends out of the adjusting box and is fixedly connected with the rotating wheel.

Preferably, the adjusting box is provided with a travel groove matched with the L-shaped connecting frame.

Preferably, the L-shaped connecting frame is connected with the mounting sleeve through a connecting seat, and the L-shaped connecting frame is hinged with the connecting seat.

Preferably, the mounting sleeve comprises a fixed half sleeve connected with the connecting seat, a movable half sleeve is arranged on one side of the fixed half sleeve, the top end of the movable half sleeve is hinged with the fixed half sleeve, and the bottom end of the movable half sleeve is connected with the fixed half sleeve through a bolt.

The beneficial effects of the utility model are as follows: the worm is used for a long time and is influenced by external force impact to cause inclination, so that the meshing angle of the worm and the worm wheel is increased in problem and abrasion, the correction of the worm is facilitated by adding the correction component, the worm is fully meshed with the worm wheel, friction is reduced, the service life of the worm is prolonged, and meanwhile, the impact resistance of the worm is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of an impact-resistant brake adjustment arm according to an embodiment of the present utility model;

FIG. 2 is a front view of an impact-resistant brake adjustment arm according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a housing in an impact-resistant brake adjustment arm according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of an adjustment box in an impact-resistant brake adjustment arm according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a mounting sleeve in an impact-resistant brake actuating arm according to an embodiment of the utility model.

In the figure:

1. a housing; 2. a connecting block; 3. a telescopic rod; 4. a movable rod; 5. a first rotating shaft; 6. a worm; 7. a worm wheel; 8. an adjustment box; 9. a gear; 10. a second rotating shaft; 11. a rack; 12. a mounting sleeve; 13. an L-shaped connecting frame; 14. a rotating wheel; 15. a travel groove; 16. a connecting seat; 17. fixing the half sleeve; 18. a movable half sleeve; 19. a bolt; 20. and (5) adjusting the rod.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to an embodiment of the present utility model, an impact-resistant brake adjustment arm is provided.

Embodiment one;

as shown in fig. 1-5, an impact-resistant brake adjusting arm according to an embodiment of the utility model comprises a housing 1, a connecting block 2 is arranged at the top end of the housing 1, a telescopic rod 3 is arranged on one side of the connecting block 2, a movable rod 4 is arranged on one side of the connecting block 2 away from the telescopic rod 3, the movable rod 4 is connected with the housing 1 through an adjusting rod 20, a rotating shaft I5 which is transversely arranged is arranged in the housing 1, a worm 6 is fixedly sleeved on the outer wall of the rotating shaft I5, worm wheels 7 which are matched with the worm are arranged in the housing 1 and are positioned at the bottom end of the worm 6, and two sides of the rotating shaft I5 extend out of the housing 1 and are connected with a correcting component.

Embodiment two;

as shown in fig. 1-5, an impact-resistant brake adjusting arm according to an embodiment of the utility model comprises a housing 1, a connecting block 2 is arranged at the top end of the housing 1, a telescopic rod 3 is arranged on one side of the connecting block 2, a movable rod 4 is arranged on one side of the connecting block 2 away from the telescopic rod 3, the movable rod 4 is connected with the housing 1 through an adjusting rod 20, a rotating shaft I5 which is transversely arranged is arranged in the housing 1, a worm 6 is fixedly sleeved on the outer wall of the rotating shaft I5, worm wheels 7 which are matched with the worm are arranged in the housing 1 and are positioned at the bottom end of the worm 6, and two sides of the rotating shaft I5 extend out of the housing 1 and are connected with a correcting component. The aligning assembly comprises an adjusting box 8 fixedly arranged on one side of a shell 1, a gear 9 is arranged in the adjusting box 8, the gear 9 is connected with the adjusting box through a rotating shaft II 10, racks 11 symmetrically arranged are arranged on two sides of the gear 9, the racks 11 are meshed with the gear 9, an installing sleeve 12 is sleeved on the outer wall of the rotating shaft II 1 and positioned on the outer wall of the rotating shaft II, and L-shaped connecting frames 13 extending out of the adjusting box 8 and respectively connected with the installing sleeves 12 are arranged on the racks 11. The top end of the second rotating shaft 10 extends out of the adjusting box 8 and is fixedly connected with the rotating wheel 14. The adjusting box 8 is provided with a travel groove 15 matched with the L-shaped connecting frame 13. The L-shaped connecting frame 13 is connected with the mounting sleeve 12 through a connecting seat 16, and the L-shaped connecting frame 13 is hinged with the connecting seat 16. The installation sleeve 12 comprises a fixed half sleeve 17 connected with the connecting seat 16, a movable half sleeve 18 is arranged on one side of the fixed half sleeve 17, the top end of the movable half sleeve 18 is hinged with the fixed half sleeve 17, and the bottom end of the movable half sleeve 18 is connected with the fixed half sleeve 17 through a bolt 19.

In practical application, when the worm 6 inclines, the worm wheel 7 cannot be completely meshed with the worm wheel, the rotating wheel 14 is rotated to drive the rotating shaft II 10 to rotate, the rotating shaft II 10 drives the gear 9 to rotate, the gear 9 drives the two groups of racks 11 to move respectively, one group of racks 11 pushes the L-shaped connecting frame 13, the other group of racks 11 pulls the other group of L-shaped connecting frame 13, the two groups of L-shaped connecting frames 13 drive the rotating shaft I5 to rotate and correct, so that the rotating shaft I is completely meshed with the worm wheel 7, the fixed half sleeve 17 and the movable half sleeve 18 are hinged to be conveniently arranged on the rotating shaft I, and the correction component is added to be convenient for correcting the worm 6, so that the worm 6 is completely meshed with the worm wheel 7, friction is reduced, service life of the rotating shaft II is prolonged, and impact resistance of the rotating shaft I is further improved.

In summary, by means of the technical scheme, the worm is inclined due to the influence of external force impact after long-time use, so that the problem of the meshing angle between the worm and the worm wheel is solved, abrasion is increased, the correction of the worm is facilitated by adding the correction component, the worm is fully meshed with the worm wheel, friction is reduced, the service life of the worm is prolonged, and meanwhile, the impact resistance of the worm is further improved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides an impact-resistant brake adjustment arm, includes casing (1), its characterized in that, casing (1) top is equipped with connecting block (2), connecting block (2) one side is equipped with telescopic link (3), connecting block (2) are kept away from one side of telescopic link (3) is equipped with movable rod (4), movable rod (4) pass through regulation pole (20) with casing (1) are connected, be equipped with pivot one (5) of horizontal setting in casing (1), the fixed cover of pivot one (5) outer wall is equipped with worm (6), just be located in casing (1) worm (6) bottom is equipped with worm wheel (7) rather than assorted, pivot one (5) both sides extend to outside casing (1) and all are connected with the assembly that just returns.

2. The impact-resistant brake adjusting arm according to claim 1, wherein the aligning component comprises an adjusting box (8) fixedly arranged on one side of the shell (1), a gear (9) is arranged in the adjusting box (8), the gear (9) is connected with the adjusting box through a rotating shaft II (10), symmetrically arranged racks (11) are arranged on two sides of the gear (9), the two groups of racks (11) are meshed with the gear (9), an installing sleeve (12) is sleeved on the outer wall of the first rotating shaft (5) and is positioned outside the shell (1), and L-shaped connecting frames (13) extending out of the adjusting box (8) and respectively connected with the two groups of installing sleeves (12) are arranged on the two groups of racks (11).

3. The impact-resistant brake adjusting arm according to claim 2, wherein the top end of the second rotating shaft (10) extends to the outside of the adjusting box (8) and is fixedly connected with the rotating wheel (14).

4. The impact-resistant brake adjusting arm according to claim 2, wherein the adjusting box (8) is provided with a travel groove (15) matched with the L-shaped connecting frame (13).

5. The impact-resistant brake adjusting arm according to claim 2, wherein the L-shaped connecting frame (13) is connected with the mounting sleeve (12) through a connecting seat (16), and the L-shaped connecting frame (13) is hinged with the connecting seat (16).

6. The impact-resistant brake adjusting arm according to claim 5, wherein the mounting sleeve (12) comprises a fixed half sleeve (17) connected with the connecting seat (16), a movable half sleeve (18) is arranged on one side of the fixed half sleeve (17), the top end of the movable half sleeve (18) is hinged with the fixed half sleeve (17), and the bottom end of the movable half sleeve (18) is connected with the fixed half sleeve (17) through a bolt (19).