CN220416150U

CN220416150U - Anti-backlash gear

Info

Publication number: CN220416150U
Application number: CN202321856468.1U
Authority: CN
Inventors: 朱典章
Original assignee: Weihai Yuantai Precision Machinery Co ltd
Current assignee: Weihai Yuantai Precision Machinery Co ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-01-30
Anticipated expiration: 2033-07-14

Abstract

The utility model belongs to the technical field of gear transmission, and particularly relates to a gap eliminating gear which comprises a first gear, wherein a second gear is arranged on the side wall of the first gear, an adjusting gap eliminating assembly is arranged on the second gear, the first gear and the second gear are penetrated by a central shaft, a fixing assembly is connected onto the outer wall of the central shaft in a sliding manner, the adjusting gap eliminating assembly comprises a second fixing rod, and the second fixing rod is fixedly connected onto the outer wall of the second gear. This anti-backlash gear is through adjusting the use of anti-backlash subassembly, can remove the fixed to the screw thread lantern ring through rotating bolt one, and the rotation of rethread screw thread lantern ring makes the screw rod stretch out and draw back and then adjusts gear one and gear two and rotate with the centre of a circle of center pin, makes gear one and gear two's latch can dislocation each other, reaches the effect of anti-backlash, simultaneously after accomplishing the regulation, can fix through the screw bolt one pair of screw thread lantern ring, guarantees the stability of gear one and gear two.

Description

Anti-backlash gear

Technical Field

The utility model relates to the technical field of gear transmission, in particular to a backlash eliminating gear.

Background

The gear needs to eliminate the clearance of the gear when meshing and rotating, otherwise, the gear has large noise during transmission, abrasion of the gear can be aggravated, and meanwhile, the transmission precision and smoothness can be influenced by the existence of the gear transmission clearance.

At present, in the prior art, the gap of gear transmission is most commonly eliminated through a spring or a disc spring, and under the action of the spring, the meshing surfaces of two meshing gears are contacted, so that the gap eliminating effect is achieved, but the gap eliminating effect is limited by spring force, when the load is large, the gap cannot be eliminated when the elastic force of the spring is small, and the abrasion of the gears is accelerated when the elastic force of the spring is large; in view of this, we propose an anti-backlash gear.

Disclosure of Invention

The main objective of the present utility model is to provide a backlash eliminating gear, which can solve the problems set forth in the background art.

In order to achieve the above purpose, the anti-backlash gear provided by the utility model comprises a first gear, a second gear is arranged on the side wall of the first gear, an adjusting anti-backlash component is arranged on the second gear, the first gear and the second gear are penetrated by a central shaft, a fixing component is connected to the outer wall of the central shaft in a sliding manner, and the adjusting anti-backlash component comprises:

the second fixing rod is fixedly connected to the outer wall of the second gear;

the hinge rod II is hinged with the fixed rod II;

the first fixing rod is fixedly connected to the outer wall of the first gear;

and the hinge rod I is hinged with the fixed rod I.

Preferably, a screw rod is rotatably connected to the hinge rod, the screw rod penetrates through the hinge rod II, the hinge rod II is penetrated by the threaded lantern ring and is rotatably connected with the threaded lantern ring, the threaded lantern ring is in threaded connection with the screw rod, a first bolt is in threaded connection with the outer wall of the hinge rod II, the screw rod can be driven to rotate by rotating the threaded lantern ring, and then the screw rod is adjusted to rotate, so that the clamping teeth of the first gear and the second gear can be misplaced.

Preferably, the outer wall of the second gear is provided with a through groove, the fixing rod penetrates through the groove, the outer wall of the second gear is fixedly connected with a fixing column, and the first fixing rod can be limited through the use of the through groove.

Preferably, the fixed subassembly includes the clamping ring, rotate on the outer wall of clamping ring and be connected with the swivel becket, swivel becket threaded connection has bolt two, and bolt two and fixed column threaded connection, through the use of bolt two, can make swivel becket and fixed column fixed, the clamping ring of being convenient for compresses tightly gear two.

Preferably, the through groove is arc-shaped, and the center position of the through groove and the center of the gear II are on the same horizontal line.

Preferably, a limiting ring is attached to one side, far away from the second gear, of the first gear, and the limiting ring is penetrated by the central shaft and fixedly connected with the central shaft.

Advantageous effects

The utility model provides an anti-backlash gear. The beneficial effects are as follows:

(1) This anti-backlash gear through adjusting the use of anti-backlash subassembly, can remove the fixed to the screw thread lantern ring through rotating bolt one, the rotation of rethread screw thread lantern ring makes the screw rod stretch out and draw back and then adjusts gear one and gear two and rotate with the centre of a circle of center pin, makes gear one and gear two's latch can dislocation each other, reaches the effect of anti-backlash, simultaneously after accomplishing the regulation, can fix through the screw bolt one to the screw thread lantern ring, guarantees the stability of gear one and gear two.

(2) The anti-backlash gear is used by the fixing assembly, so that the pressing ring can be fixed through the bolt II after the pressing gear II is pressed, the pressing ring can be stably pressed with the gear II, and the effect of improving the stable use of the device is achieved.

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 required in the embodiments or the description of the prior art will be briefly described, 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 the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of the structure A in FIG. 1 according to the present utility model;

fig. 3 is a schematic view of a part of a three-dimensional explosion structure of the utility model.

Reference numerals illustrate: 1. a first gear; 2. a second gear; 3. adjusting the gap eliminating component; 4. a central shaft; 5. a fixing assembly; 21. a through groove; 22. fixing the column; 31. a second fixing rod; 32. a hinge rod II; 33. a threaded collar; 34. a screw; 35. a first bolt; 36. a first hinging rod; 37. a first fixed rod; 41. a limiting ring; 51. a compression ring; 52. a rotating ring; 53. and a second bolt.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a backlash eliminating gear, which comprises a first gear 1, a second gear 2 is disposed on a side wall of the first gear 1, the first gear 1 and the second gear 2 are mutually dislocated, so that the teeth of the first gear 1 and the second gear 2 are mutually dislocated to achieve the backlash eliminating effect, an adjusting backlash eliminating component 3 is disposed on the second gear 2, the first gear 1 and the second gear 2 can be adjusted to be mutually dislocated by using the adjusting backlash eliminating component 3, the backlash eliminating component 3 comprises a second fixing rod 31, the second fixing rod 31 is fixedly connected to an outer wall of the second gear 2, the second fixing rod 31 is hinged with a second hinging rod 32, a first fixing rod 37 is fixedly connected to an outer wall of the first gear 1, the first hinging rod 36 is hinged with the first fixing rod 37, the first gear 1 and the second gear 2 are penetrated by a central shaft 4, the first gear 1 and the second gear 2 are both rotatably connected with the central shaft 4, a fixing component 5 is slidingly connected to an outer wall of the central shaft 4, and the second gear 2 can be compressed by using the fixing component 5, thereby improving the stable using effect of the device.

In the embodiment of the utility model, in order to enable the first gear 1 and the second gear 2 to rotate with the center of the central shaft 4, so that the clamping teeth on the first gear 1 and the second gear 2 are mutually staggered to eliminate gaps, specifically, the outer wall of the second gear 2 is provided with a through groove 21, a fixing rod 37 penetrates through the through groove 21, the through groove 21 is in an arc shape, the center position of the through groove is on the same horizontal line with the center of the second gear 2, the fixing rod 37 is limited by the through groove 21, a screw 34 is rotationally connected with the first hinge rod 36, the screw 34 penetrates through the second hinge rod 32, the second hinge rod 32 is penetrated by the threaded sleeve 33 and is rotationally connected with the threaded sleeve 33, the threaded sleeve 33 is in threaded connection with the screw 34, a bolt 35 is in threaded connection with the outer wall of the second hinge rod 32, the bolt 35 is far away from the threaded sleeve 33, the fixing of the threaded sleeve 33 is eliminated, the threaded sleeve 33 is rotated again, the screw 34 is driven to move, the length of the hinge rod 36 and the second hinge rod 32 is adjusted, so that the first gear 1 and the second gear 2 are mutually staggered, the effect of eliminating gaps is achieved, and the first gear 2 is stably fixed with the second gear 2 by the threaded sleeve 33 after the adjusting the bolt 35.

Further, in order to compress tightly gear two 2, make the use of gear two 2 with gear two 1 more stable, specifically, one side laminating that gear two 2 was kept away from to gear two 1 has spacing ring 41, spacing ring 41 is run through by center pin 4 and with center pin 4 fixed connection, through the use of spacing ring 41, can fix a position gear one 1, fixedly connected with fixed column 22 on the outer wall of gear two 2, fixed subassembly 5 includes clamping ring 51, rotationally be connected with rotation ring 52 on the outer wall of clamping ring 51, rotation ring 52 threaded connection has bolt two 53, and bolt two 53 and fixed column 22 threaded connection, compress tightly gear two 2 through with clamping ring 51, rotate rotation ring 52 again, make bolt two 53 aim at fixed column 22, rotate bolt two 53 again, make bolt two 53 rotate and enter into in the fixed column 22, accomplish the fixed to clamping ring 51, make clamping ring 51 can compress tightly with gear two 2 is stable, reach the effect that improves the device steady use.

In the utility model, when in use, the first gear 1 passes through the central shaft 4 to the position of the limiting ring 41, then the second gear 2 passes through the central shaft 4, so that the first gear 1 is attached to the second gear 2, then the second gear 2 is tightly pressed by the pressing ring 51, then the rotating ring 52 is rotated, the second bolt 53 is aligned to the fixed column 22, then the second bolt 53 is rotated, the second bolt 53 is rotated into the fixed column 22, the fixing of the pressing ring 51 is completed, the pressing ring 51 can be stably pressed with the second gear 2, then the first bolt 35 is rotated, the first bolt 35 is far away from the threaded collar 33, the fixing of the threaded collar 33 is released, the threaded collar 33 is rotated, the screw 34 is driven to move, the length of the hinge rod 36 and the hinge rod 32 is adjusted, so that the first gear 1 and the second gear 2 are mutually dislocated, the gap during gear transmission is eliminated, the first bolt 35 is reversed to fix the threaded collar 33, and the first gear 1 and the second gear 2 are stably fixed.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. An anti-backlash gear comprises a gear I (1), and is characterized in that: be provided with gear two (2) on the lateral wall of gear one (1), be provided with on gear two (2) and adjust clearance subassembly (3) that disappears, gear one (1) and gear two (2) are run through by center pin (4), sliding connection has fixed subassembly (5) on the outer wall of center pin (4), adjust clearance subassembly (3) include:

the second fixing rod (31) is fixedly connected to the outer wall of the second gear (2);

the hinge rod II (32) is hinged with the fixed rod II (31);

the first fixing rod (37), the first fixing rod (37) is fixedly connected to the outer wall of the first gear (1);

and a first hinging rod (36), wherein the first hinging rod (36) is hinged with the first fixing rod (37).

2. An anti-backlash gear as set forth in claim 1, wherein: the first hinge rod (36) is rotationally connected with a screw rod (34), the screw rod (34) penetrates through the second hinge rod (32), the second hinge rod (32) is penetrated by a threaded sleeve ring (33) and is rotationally connected with the threaded sleeve ring (33), the threaded sleeve ring (33) is in threaded connection with the screw rod (34), and the first bolt (35) is in threaded connection with the outer wall of the second hinge rod (32).

3. An anti-backlash gear as set forth in claim 1, wherein: the outer wall of the gear II (2) is provided with a through groove (21), a first fixing rod (37) penetrates through the through groove (21), and a fixing column (22) is fixedly connected to the outer wall of the gear II (2).

4. A backlash gear as claimed in claim 3, wherein: the fixing assembly (5) comprises a pressing ring (51), a rotating ring (52) is rotatably connected to the outer wall of the pressing ring (51), a bolt II (53) is connected to the rotating ring (52) in a threaded mode, and the bolt II (53) is connected with the fixing column (22) in a threaded mode.

5. A backlash gear as claimed in claim 3, wherein: the through groove (21) is arc-shaped, and the center position of the through groove is on the same horizontal line with the center of the second gear (2).

6. An anti-backlash gear as set forth in claim 1, wherein: one side of the gear I (1) far away from the gear II (2) is attached with a limiting ring (41), and the limiting ring (41) is penetrated by the central shaft (4) and fixedly connected with the central shaft (4).