CN213776226U

CN213776226U - Chain pin shaft milling device

Info

Publication number: CN213776226U
Application number: CN202021809281.2U
Authority: CN
Inventors: 孟叶良
Original assignee: Lin'an Zeyu Machinery Co ltd
Current assignee: Hangzhou Zeyu Machinery Technology Co.,Ltd.
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-07-23
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses a chain pin shaft milling device, which comprises a connecting rod, a stop block and a rotating block, wherein the outer surface of the rotating block is provided with a chute, the inner surface of the rotating block is movably connected with a ball, the lower surface of the ball is movably connected with a limiting block, both sides of the limiting block are fixedly connected with sliding blocks, and the inner surface of the limiting block is fixedly connected with a first torsion spring; through spout, restriction piece, ball, first torsional spring and the stopper of design, solved chain round pin axle and milled the silk in the use, through the rotation of transmission drive relevant gear, and then the operation of the rotatory machine that drives through the gear, but during the use with the direct contact of gear produce higher stress easily and lead to wearing and tearing, reduce round pin axle life's problem.

Description

Chain pin shaft milling device

Technical Field

The utility model belongs to the technical field of the chain, concretely relates to chain round pin axle mills a device.

Background

Chains, as one of the mechanical accessories, play an important role in the mechanical transmission process and are widely used in various vehicles and mechanical equipment. With the wide application of chain products, higher requirements are put forward on the aspects of the strength, the wear resistance and the like of the chain pin shaft.

The existing chain pin shaft milling device has the advantages that in the use process of the existing chain pin shaft milling device, the related gears are driven to rotate through transmission, and then the machine is driven to run through the rotation of the gears, but when the chain pin shaft milling device is used, the chain pin shaft milling device is in direct contact with the gears, high stress is easily generated, abrasion is caused, and the service life of a pin shaft is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chain round pin axle mills a device to the chain round pin axle that proposes in solving above-mentioned background art mills a silk in the use, drives the rotation of relevant gear through the transmission, and then the operation of the rotatory machine that drives through the gear, but during the use with the direct contact of gear produce higher stress easily and lead to wearing and tearing, reduce round pin axle life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a chain round pin axle mills a device, includes connecting rod, dog and rotatory piece, the spout has been seted up to the surface of rotatory piece, the internal surface swing joint of rotatory piece has the ball, the lower surface swing joint of ball has the restriction piece, the equal fixedly connected with slider in both sides of restriction piece, the first torsional spring of internal surface fixed connection of restriction piece.

Preferably, a clamping groove is formed in one end of the connecting rod, a rotating shaft is fixedly connected to the inner surface of the clamping groove, a second torsion spring is fixedly connected to the outer surface of the rotating shaft, and a clamping block is fixedly connected to one end of the second torsion spring.

Preferably, both ends of the inner surface of the limiting block are fixedly connected with a return spring, and one end of the return spring is fixedly connected with a limiting block.

Preferably, the inner surface of the stop block is fixedly connected with a compression spring, and one end of the compression spring is fixedly connected with a pressing block.

Preferably, the middle part of the outer surface of the connecting rod is provided with a groove, and the return spring is positioned in the groove.

Preferably, the fixture block and the rotating shaft are fixedly connected through a second torsion spring, and the rotating shaft is fixedly connected with the connecting rod.

Preferably, the number of the balls is four, and the four balls are respectively positioned at two sides of the limiting block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through spout, restriction piece, ball, first torsional spring and the stopper of design, solved chain round pin axle and milled the silk in the use, through the rotation of transmission drive relevant gear, and then the operation of the rotatory machine that drives through the gear, but during the use with the direct contact of gear produce higher stress easily and lead to wearing and tearing, reduce round pin axle life's problem.

2. Through briquetting, compression spring, fixture block, rotation axis and the second torsional spring of design, solved chain round pin axle and milled the silk in the use, the mounting means is convenient inadequately when installing the link joint, and to the fixed stable problem inadequately of link joint.

Drawings

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

FIG. 2 is a schematic side sectional view of the limiting block of the present invention;

FIG. 3 is a schematic side sectional view of the stopper of the present invention;

fig. 4 is an enlarged schematic structural diagram of a portion a in fig. 3 according to the present invention.

In the figure: 1. a connecting rod; 2. a stopper; 3. rotating the block; 4. a chute; 5. a limiting block; 6. a ball bearing; 7. A first torsion spring; 8. a slider; 9. a return spring; 10. a limiting block; 11. briquetting; 12. a compression spring; 13. a clamping block; 14. a rotating shaft; 15. a card slot; 16. a second torsion spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a chain round pin axle mills a device, includes connecting rod 1, dog 2 and rotatory piece 3, and spout 4 has been seted up to the surface of rotatory piece 3, and the internal surface swing joint of rotatory piece 3 has ball 6, and the lower surface swing joint of ball 6 has restriction piece 5, the equal fixedly connected with slider 8 in both sides of restriction piece 5, and the internal surface fixed connection of restriction piece 5 has first torsion spring 7.

In this embodiment, in the device use, rotatory piece 3 contacts with the gear through spout 4, and spout 4 drives rotatory piece 3 in the contact and passes through ball 6 and slider 8 rotatory at the surface of restriction piece 5, and restriction piece 5 is at the rotatory in-process of rotatory piece 3, controls the removal of restriction piece 5 through first torsional spring 7, is convenient for reduce the friction loss of rotatory piece 3.

Specifically, a clamping groove 15 is formed in one end of the connecting rod 1, a rotating shaft 14 is fixedly connected to the inner surface of the clamping groove 15, a second torsion spring 16 is fixedly connected to the outer surface of the rotating shaft 14, and a clamping block 13 is fixedly connected to one end of the second torsion spring 16.

In the embodiment, in the installation process of the device, the fixture block 13 is firstly driven to move towards the inside of the clamping groove 15 through the contact of the fixture block 13 and the chain plate, the second torsion spring 16 is stressed, and after the installation of the chain plate is completed, the fixture block 13 returns to the original position under the action of the second torsion spring 16 to fix the chain plate.

Specifically, the two ends of the inner surface of the limiting block 5 are fixedly connected with a return spring 9, and one end of the return spring 9 is fixedly connected with a limiting block 10.

In this embodiment, in the installation of rotatory piece 3, when it reachd the middle part of connecting rod 1, stopper 10 blocks into the groove in the middle part of connecting rod 1 surface under the effect of reset spring 9, restricts the removal of rotatory piece 3.

Specifically, the inner surface of the stop block 2 is fixedly connected with a compression spring 12, and one end of the compression spring 12 is fixedly connected with a pressing block 11.

In the embodiment, the chain plate on one side is in contact with the pressing block 11 in the installation process of the chain plate, so that the pressing block 11 is driven to contract towards the inside of the stop block 2, the compression spring 12 is compressed to bear force, and then the chain plate is fixed under the action of the force of the compression spring 12.

Specifically, the middle part of the outer surface of the connecting rod 1 is provided with a groove, and the return spring 9 is positioned in the groove.

In this embodiment, the position of the rotating block 3 is fixed in the middle of the connecting rod 1 by the interaction between the groove on the outer surface of the connecting rod 1 and the return spring 9, which is convenient for the use of the device.

Specifically, the latch 13 and the rotating shaft 14 are fixedly connected through a second torsion spring 16, and the rotating shaft 14 is fixedly connected with the connecting rod 1.

In this embodiment, when the device is used, the latch 13 rotates on the outer surface of the rotating shaft 14 through the second torsion spring 16, and the return of the latch 13 is controlled by the force of the second torsion spring 16.

Specifically, the number of the balls 6 is four, and the four balls 6 are respectively located on both sides of the restricting block 5.

In this embodiment, the four balls 6 control the rotation of the rotating block 3 on the outer surface of the limiting block 5, so that the friction force applied to the rotating block 3 is reduced.

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.

Claims

1. The utility model provides a chain round pin axle mills a device, includes connecting rod (1), dog (2) and rotatory piece (3), its characterized in that: spout (4) have been seted up to the surface of rotatory piece (3), the internal surface swing joint of rotatory piece (3) has ball (6), the lower surface swing joint of ball (6) has limiting block (5), the equal fixedly connected with slider (8) in both sides of limiting block (5), the first torsional spring (7) of internal surface fixedly connected with of limiting block (5).

2. The chain pin milling device according to claim 1, wherein: draw-in groove (15) have been seted up to the one end of connecting rod (1), the internal surface fixed connection of draw-in groove (15) has rotation axis (14), the external fixed surface of rotation axis (14) is connected with second torsional spring (16), the one end fixedly connected with fixture block (13) of second torsional spring (16).

3. The chain pin milling device according to claim 1, wherein: the two ends of the inner surface of the limiting block (5) are fixedly connected with a return spring (9), and one end of the return spring (9) is fixedly connected with a limiting block (10).

4. The chain pin milling device according to claim 2, wherein: the inner surface of the stop block (2) is fixedly connected with a compression spring (12), and one end of the compression spring (12) is fixedly connected with a pressing block (11).

5. The chain pin milling device according to claim 3, wherein: the middle part of the outer surface of the connecting rod (1) is provided with a groove, and the return spring (9) is positioned in the groove.

6. The chain pin milling device according to claim 2, wherein: the clamping block (13) and the rotating shaft (14) are fixedly connected through a second torsion spring (16), and the rotating shaft (14) is fixedly connected with the connecting rod (1).

7. The chain pin milling device according to claim 1, wherein: the number of the balls (6) is four, and the four balls (6) are respectively positioned on two sides of the limiting block (5).