CN220204583U

CN220204583U - Arc tooth part structure of synchronous pulley

Info

Publication number: CN220204583U
Application number: CN202321924725.0U
Authority: CN
Inventors: 李朝霞; 王亚亚; 张梅
Original assignee: Shenzhen Tengyuanxiang Technology Co ltd
Current assignee: Shenzhen Tengyuanxiang Technology Co ltd
Priority date: 2023-07-21
Filing date: 2023-07-21
Publication date: 2023-12-19
Anticipated expiration: 2033-07-21

Abstract

The utility model discloses an arc tooth part structure of a synchronous pulley, which comprises a rim, wherein a plurality of tooth blocks are uniformly and fixedly connected to the outer wall of the rim, check rings are symmetrically and fixedly connected to the side wall of the rim to prevent a toothed belt from sliding down during operation, a plurality of clamping grooves are symmetrically and uniformly formed in the side wall of the rim, which is close to the inner arc wall, a wheel sleeve is connected to the inner wall of the rim in a clamping manner and used for connecting and fixing an external connecting shaft with the rim, and a plurality of hidden grooves are symmetrically and uniformly formed in the outer arc wall of the wheel sleeve, which is close to the side wall. According to the utility model, the outer ring and the internal connecting structure of the synchronous pulley are separated, so that when a single structure is damaged in long-time use, the whole replacement can be avoided, the replacement cost is reduced, meanwhile, the quick clamping structure is arranged at the joint of the two structures, so that the two structures are mutually fixed, and the reinforcing component is arranged at the joint of the two structures and the wheel shaft, so that the synchronous pulley is firmer in installation.

Description

Arc tooth part structure of synchronous pulley

Technical Field

The utility model relates to the technical field of synchronous pulley application, in particular to an arc tooth part structure of a synchronous pulley.

Background

The synchronous belt transmission is engaged with the tooth grooves of the belt wheels to transmit motion and power, has the common characteristics of gear transmission, chain transmission and flat belt transmission, and comprises a synchronous belt wheel and a synchronous belt, wherein the tooth shapes of the synchronous belt wheel are already internationally standardized tooth shapes and basically consistent, and different tooth shapes need to be processed for pursuing different shapes.

The existing synchronous pulley is generally arranged in an integral mode, when the synchronous pulley is damaged in long-time use, the synchronous pulley needs to be replaced integrally, so that the integral replacement cost is increased, and when the synchronous pulley is connected with an external wheel shaft, a plurality of bolts are generally used for locking and fixing, so that the synchronous pulley is complicated in connection operation.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the circular arc tooth part structure of the synchronous pulley, which is characterized in that the outer ring and the internal connecting structure of the synchronous pulley are separated, so that when a single structure is damaged in long-time use, the whole replacement can be avoided, the replacement cost is reduced, meanwhile, the quick clamping structure is arranged at the joint of the two structures, so that the two structures are mutually fixed, and the reinforcing component is arranged at the joint of the two structures and the wheel shaft, so that the joint is firmer in installation.

In order to solve the technical problems, the utility model adopts a technical scheme that: the circular arc tooth part structure of the synchronous pulley comprises a rim, wherein a plurality of tooth blocks are uniformly and fixedly connected to the outer wall of the rim, check rings are symmetrically and fixedly connected to the side wall of the rim, so that the tooth belt is prevented from sliding off during operation, and a plurality of clamping grooves are symmetrically and uniformly formed in the side wall of the rim, which is close to the inner arc wall;

the inner wall block of wheel rim is connected with the wheel cover for connect fixed with outside connecting axle and wheel rim, the outer arc wall of wheel cover is close to a plurality of hidden grooves of seting up of lateral wall position symmetry evenly, is used for installing a plurality of cards, and is a plurality of the equal fixedly connected with card of inner wall in hidden groove, and be the squeezable setting, the center department of wheel cover has seted up the shaft hole for carry out interference connection with outside connecting axle, the spacing groove has been seted up to the inner wall in shaft hole for carry out spacing fixed to outside connecting axle, the inner wall of spacing groove is close to terminal surface position symmetry and is provided with reinforcement subassembly.

The utility model is further provided with: the tops of a plurality of tooth pieces are all arc-shaped, and every two adjacent tooth pieces are all U-shaped.

Through above-mentioned technical scheme, be convenient for when the wheel rim rotates, change into arc transition to the outer wall friction form of tooth piece, improve life.

The utility model is further provided with: the outer wall of the wheel sleeve is tightly attached to the inner wall of the wheel rim.

Through above-mentioned technical scheme, be convenient for cup joint the sealing of installation time junction to it, prevent to have the gap to cause not hard up.

The utility model is further provided with: the cards are respectively connected with the clamping grooves in a clamping mode.

Through the technical scheme, the wheel sleeve is used for tightly clamping and fixing the inner wheel sleeve and the wheel rim.

The utility model is further provided with: the reinforcing component comprises a movable groove which is formed in the wheel sleeve and located at the position of the limiting groove, a movable plate is arranged on the side wall of the movable groove in a penetrating mode, the side wall of the movable groove extends to the position of the limiting groove, a sliding plate is fixedly connected to the middle of the movable plate, springs are symmetrically clamped and connected to the bottom of the sliding plate close to the position of the end face, locking bolts are connected to the side wall of the wheel sleeve in a penetrating mode through threads, and the end face of the locking bolts extends to the inside of the movable groove.

Through above-mentioned technical scheme, utilize locking bolt's constantly to rotate, make its terminal surface constantly extrude the movable plate, make it extrude a plurality of antislip strips of lateral wall and connecting axle fixed, the spring of inside simultaneously can make the quick operation that resets of movable plate when the later stage dismantles, utilize elasticity.

The utility model is further provided with: the bottoms of the springs are respectively attached to the inner bottoms of the movable grooves, and a plurality of anti-slip strips are uniformly and fixedly connected to the bottoms of the movable plates and are made of rubber.

Through above-mentioned technical scheme, the reset operation after the later stage dismantlement is convenient for utilize the spring, and the antiskid strip of movable plate can make inside connecting axle firm stable simultaneously.

The utility model is further provided with: the top of movable plate is the slope setting, and is closely laminating setting with the terminal surface of lock bolt.

Through above-mentioned technical scheme, be convenient for can carry out continuous extrusion to the clamp plate when locking bolt's continuous rotation extends.

The beneficial effects of the utility model are as follows:

1. according to the arc tooth part structure of the synchronous pulley, the outer ring and the internal connecting structure of the synchronous pulley are arranged in a separated mode, so that when a single structure is damaged in long-time use, the whole replacement can be avoided, and the replacement cost is reduced;

2. according to the arc tooth part structure of the synchronous pulley, the quick clamping structure is arranged at the joint of the two structures, so that the arc tooth part structure is mutually fixed, and the reinforcing component is arranged at the joint of the arc tooth part structure and the wheel shaft, so that the arc tooth part structure is firmer in installation.

Drawings

Fig. 1 is a schematic structural view of an arc tooth structure of a synchronous pulley according to the present utility model;

FIG. 2 is an exploded view of a circular arc tooth structure of a synchronous pulley according to the present utility model;

fig. 3 is a cross-sectional view of a reinforcing assembly in the circular arc tooth structure of a synchronous pulley according to the present utility model.

In the figure: 1. a rim; 11. tooth blocks; 12. a retainer ring; 13. a clamping groove; 2. a wheel sleeve; 21. hiding the groove; 22. a card; 23. a shaft hole; 24. a limit groove; 3. a movable groove; 31. a moving plate; 32. a slide plate; 33. a spring; 34. an anti-slip strip; 4. a locking bolt.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

Like fig. 1, a synchronous pulley's circular arc tooth portion structure, including rim 1, the even fixedly connected with tooth piece 11 of outer wall of rim 1, the top of a plurality of tooth pieces 11 all is the arc setting, and all set up to the U type between every adjacent two tooth pieces 11, be convenient for when rim 1 rotates, change into arc transition to the outer wall friction form of tooth piece 11, improve life, rim 1's lateral wall symmetry fixedly connected with retaining ring 12, prevent the landing of toothed belt when the operation, rim 1's lateral wall is close to a plurality of draw-in grooves 13 of seting up of inner arc wall position symmetry even.

As shown in fig. 1 and 2, the inner wall block of rim 1 is connected with wheel cover 2 for connect outside connecting axle and rim 1 fixedly, the outer wall of wheel cover 2 is closely laminating setting with the inner wall of rim 1, be convenient for cup joint the sealing of junction when installing it, prevent to have the gap to cause not hard up, the outer arc wall of wheel cover 2 is close to the even a plurality of hidden grooves 21 of seting up of lateral wall position symmetry, be used for installing a plurality of cards 22, the equal fixedly connected with card 22 of a plurality of hidden grooves 21, and all be the squeezable setting, a plurality of cards 22 are the block with a plurality of draw-in grooves 13 respectively and are connected, be used for carrying out inseparable block with inside wheel cover 2 and rim 1 fixedly, shaft hole 23 has been seted up in the center department of wheel cover 2, be used for carrying out interference connection with outside connecting axle, limit groove 24 has been seted up to the inner wall of shaft hole 23, be used for carrying out spacing fixedly to outside connecting axle.

As fig. 2 and fig. 3, the inner wall of spacing groove 24 is close to terminal surface position symmetry and is provided with reinforcement subassembly, reinforcement subassembly is including seting up at the inside movable groove 3 that just is located spacing groove 24 position of wheel cover 2, the lateral wall of movable groove 3 runs through and is provided with movable plate 31, and the lateral wall extends to the inside of spacing groove 24, the top of movable plate 31 is the slope setting, and be closely laminating setting with the terminal surface of lock bolt 4, be convenient for can carry out continuous extrusion to movable plate 31 when the continuous rotation of lock bolt 4 extends, movable plate 31 middle part position fixedly connected with slide plate 32, the bottom of slide plate 32 is close to terminal surface position symmetry block and is connected with spring 33, the bottom of two springs 33 all is the laminating setting with the interior bottom of movable groove 3, a plurality of antislip strips 34 of even fixedly connected with in bottom of movable plate 31, and be the rubber material, the reset operation after the later stage dismantlement is convenient for utilizing spring 33, the antifriction strip 34 of movable plate 31 can make the connecting axle firm stable, the lateral wall of wheel cover 2 runs through threaded connection has lock bolt 4, and the terminal surface extends to the inside movable plate 3, and the inside of movable plate 31 can be carried out the extrusion operation with the elastic strip 33 when continuous rotation of lock bolt 3, the continuous rotation of end face that makes the inside flexible strip 31 and the stable operation after the movable plate is broken.

When the utility model is used, firstly, the wheel sleeve 2 is inserted into the inner wall of the wheel rim 1 to tightly attach the wheel sleeve, then, the card 22 in the hidden groove 21 is extruded to be arched and bent, and then, the card 22 is clamped and fixed with the clamping groove 13 in the wheel rim 1, so that the wheel sleeve 2 and the wheel rim 1 are installed and fixed, then, when the external connecting shaft is sleeved with the wheel sleeve 2, the connecting strip on the connecting shaft is clamped with the limit groove 24, then, the locking bolt 4 is rotated to continuously extrude the movable plate 31 on the end surface of the locking bolt 4, and the plurality of anti-slip strips 34 on the side wall are extruded and fixed with the connecting strip of the connecting shaft, thereby realizing the installation and fixation of the connecting shaft, and meanwhile, the spring 33 in the inner part can utilize elasticity to enable the movable plate 31 to quickly reset operation when in the later disassembly.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The utility model provides a synchronous pulley's circular arc tooth portion structure, includes rim (1), its characterized in that: the outer wall of the rim (1) is uniformly and fixedly connected with a plurality of tooth blocks (11), the side wall of the rim (1) is symmetrically and fixedly connected with a retainer ring (12), and a plurality of clamping grooves (13) are symmetrically and uniformly formed in the position, close to the inner arc wall, of the side wall of the rim (1);

the inner wall block of rim (1) is connected with wheel cover (2), the outer arc wall of wheel cover (2) is close to a plurality of hidden groove (21) of seting up of lateral wall position symmetry uniformity, and is a plurality of the equal fixedly connected with card (22) of inner wall in hidden groove (21), and can extrude the setting, shaft hole (23) have been seted up in the center department of wheel cover (2), spacing groove (24) have been seted up to the inner wall in shaft hole (23), the inner wall of spacing groove (24) is close to terminal surface position symmetry and is provided with reinforcement assembly.

2. The circular arc tooth structure of a synchronous pulley as set forth in claim 1, wherein: the tops of the tooth blocks (11) are all arc-shaped, and every two adjacent tooth blocks (11) are all U-shaped.

3. The circular arc tooth structure of a synchronous pulley as set forth in claim 1, wherein: the outer wall of the wheel sleeve (2) is tightly attached to the inner wall of the rim (1).

4. The circular arc tooth structure of a synchronous pulley as set forth in claim 1, wherein: the plurality of cards (22) are respectively connected with the plurality of clamping grooves (13) in a clamping way.

5. The circular arc tooth structure of a synchronous pulley as set forth in claim 1, wherein: the reinforcing assembly comprises a movable groove (3) which is formed in the wheel sleeve (2) and located at the position of a limiting groove (24), a movable plate (31) is arranged on the side wall of the movable groove (3) in a penetrating mode, the side wall extends to the inside of the limiting groove (24), a sliding plate (32) is fixedly connected to the middle of the movable plate (31), springs (33) are symmetrically clamped and connected to the bottom of the sliding plate (32) close to the end face, locking bolts (4) are connected to the side wall of the wheel sleeve (2) in a penetrating mode, and the end face of the movable groove extends to the inside of the movable groove (3).

6. The arcuate tooth structure of a synchronous pulley as set forth in claim 5, wherein: the bottoms of the springs (33) are respectively attached to the inner bottoms of the movable grooves (3), and a plurality of anti-slip strips (34) are uniformly and fixedly connected to the bottom of the movable plate (31) and are made of rubber.

7. The arcuate tooth structure of a synchronous pulley as set forth in claim 5, wherein: the top of the moving plate (31) is obliquely arranged and is tightly attached to the end face of the locking bolt (4).