CN217713528U

CN217713528U - Strong firm connection tight pulley that rises

Info

Publication number: CN217713528U
Application number: CN202221960528.XU
Authority: CN
Inventors: 李玉平
Original assignee: Taizhou Tengyu Machinery Co ltd
Current assignee: Taizhou Tengyu Machinery Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-01
Anticipated expiration: 2032-07-25

Abstract

The utility model provides a firm connection tight pulley that rises by force belongs to tight pulley technical field that rises. The belt tensioning device solves the problem that the positions of the belt and the tensioning wheel need to be adjusted after the existing belt and the tensioning wheel are used for a period of time. This firm tight pulley that rises of connection by force, including the fixing base with set up the tight pulley body that rises on the fixing base, the connecting rod is established to fixed cover on the tight pulley body that rises, set up the recess that supplies tight pulley body installation that rises on the fixing base, be provided with on the fixing base and supply tight pulley body that rises to carry out the dead lever one of adjusting position, and outside the dead lever one wears to go out the recess, the hole has been seted up on the connecting rod, the protruding dead lever two that is equipped with in upper end of connecting rod, the fluting has been seted up on the fixing base, fixed mounting has a coupling spring between recess and the connecting rod, still be provided with the locating lever that is used for the location on the dead lever two, the upper end of fixing base is provided with locating component, a plurality of locating hole has been seted up on the locating lever. The utility model has the advantages of firm and convenient to detach by force.

Description

Strong firm connecting tension pulley

Technical Field

The utility model belongs to the technical field of the tight pulley that rises, a tight pulley that rises is related to, in particular to firm connection tight pulley that rises by force.

Background

The tension wheel mainly comprises a fixed shell, a tension arm, a wheel body, a torsion spring, a rolling bearing, a spring shaft sleeve and the like, and can automatically adjust the tension according to different tightness degrees of the belt, so that a transmission system is stable, safe and reliable. The tension pulley is a quick-wear part of parts such as automobiles, the belt is easy to extend after a long time, some tension pulleys can automatically adjust the tension of the belt, and in addition, the belt runs more stably and has low noise and can be prevented from slipping.

However, the belt tends to loosen after a period of use, so that the friction force between the belt and the wheel surface of the tension wheel is reduced, the belt slips, and the normal transmission operation of the belt is further influenced. After the belt and the tension wheel are used for a period of time, the positions of the belt and the tension wheel need to be adjusted to keep the belt to be always kept at proper tension, so that the phenomenon that the belt slips is avoided.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a reasonable in design and mechanism are simple and the firm tight pulley that rises of connecting by force of adjustable tight pulley position.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a strong firm connection tight pulley that rises, includes the fixing base and sets up the tight pulley body that rises on the fixing base, its characterized in that, fixed cover is established and is installed the connecting rod on the tight pulley body that rises, the fixing base on set up the recess that supplies tight pulley body installation that rises, the fixing base on be provided with the dead lever that supplies tight pulley body to carry out adjusting position one, just dead lever one wears out the recess and is fixed in it on the fixing base through the bolt, the connecting rod on set up the hole that supplies dead lever one to wear to establish, the protruding dead lever two that is equipped with in upper end of connecting rod, the fixing base on set up and supply dead lever two to wear to establish and gliding fluting, recess and connecting rod between fixed mounting have a coupling spring, dead lever two is last still to be provided with the locating lever that is used for the location locating lever, the upper end of fixing base be provided with the locating component that is used for the locating lever, the locating lever on set up a plurality of each other and supply the locating component to carry out the locating hole.

In the tension pulley with strong and stable connection, the positioning assembly comprises a fixing part, a sliding part, a positioning part, a lifting part and a return spring, the fixing part is arranged at the upper end of the fixing seat, the fixing part is in a concave shape, the sliding part and the positioning part are integrally formed, the return spring is arranged between the sliding part and the fixing part, an opening for the positioning part to penetrate through is formed in the fixing part, a movable space for the positioning part to move up and down is formed in the fixing part, and the positioning part moves up and down under the action of the return spring so as to be matched with the positioning hole in the positioning rod to position the tension pulley body.

In the tension wheel with strong and stable connection, the lifting part is arranged at the upper end of the positioning part and is integrally formed with the positioning part, and the positioning part can move up and down by pulling the lifting part.

In the tension wheel with strong and stable connection, one end of the positioning rod is fixedly connected with the two fixing rods, and the other end of the positioning rod penetrates through the fixing part and can be pulled.

In the tension pulley with strong and stable connection, the lower end of the connecting rod is provided with a positioning block for positioning and sliding, and the fixed seat is provided with a sliding chute for sliding the positioning block in the groove.

In the tension pulley with strong and stable connection, the lower end of the fixing seat is integrally provided with a supporting part for fixing, and the supporting part and the fixing seat are integrally formed.

Compared with the prior art, this firm tight pulley that rises of connecting has following advantage:

1. the connecting rod fixedly connected to the tension pulley body slides left and right, the positioning assembly is used for positioning, and when the tension pulley body needs to be adjusted in position, the positioning assembly is controlled to be matched with the positioning holes in the positioning rods, so that the position of the tension pulley body can be adjusted;

2. the supporting part integrally arranged at the lower end of the fixing seat has more stability when the integral tension pulley is installed.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic sectional structure diagram of the present invention.

In the figure, 1, a fixed seat; 2. a tension roller body; 3. a connecting rod; 4. a groove; 5. fixing a rod I; 6. a hole; 7. a second fixing rod; 8. slotting; 9. a connecting spring; 10. positioning a rod; 11. a positioning assembly; 12. positioning holes; 13. a fixed part; 14. a sliding part; 15. a positioning part; 16. a pulling section; 17. a return spring; 18. opening a hole; 19. an activity space; 20. positioning blocks; 21. a chute; 22. a support portion.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and fig. 2, the tension pulley with strong and stable connection includes a fixing seat 1 and a tension pulley body 2 disposed on the fixing seat 1, a connecting rod 3 is fixedly sleeved on the tension pulley body 2, a groove 4 for the tension pulley body 2 to be installed is formed in the fixing seat 1, a sliding space for the connecting rod 3 to slide is formed in the groove 4, a first fixing rod 5 for the tension pulley body 2 to adjust the position is disposed on the fixing seat 1, the first fixing rod 5 penetrates through the groove 4 and is fixed on the fixing seat 1 through a bolt, a hole 6 for the first fixing rod 5 to penetrate through is formed in the connecting rod 3, a second fixing rod 7 is convexly disposed at the upper end of the connecting rod 3, a slot 8 for the second fixing rod 7 to penetrate through and slide is formed in the fixing seat 1, a connecting spring 9 is fixedly disposed between the groove 4 and the connecting rod 3, a positioning rod 10 for positioning is further disposed on the second fixing rod 7, a positioning assembly 11 for positioning the positioning rod 10 is disposed at the upper end of the fixing seat 1, and a plurality of positioning assemblies 12 for the positioning assembly 11 to position are disposed on the positioning rod 10.

In further detail, the positioning assembly 11 includes a fixing portion 13, a sliding portion 14, a positioning portion 15, a lifting portion 16 and a return spring 17, the fixing portion 13 is disposed at the upper end of the fixing seat 1, the fixing portion 13 is concave, the sliding portion 14 and the positioning portion 15 are integrally formed, the return spring 17 is disposed between the sliding portion 14 and the fixing portion 13, the fixing portion 13 is provided with an opening 18 through which the positioning portion 15 penetrates, the fixing portion 13 is provided with a movable space 19 in which the positioning portion 15 can move up and down, and the positioning portion 15 can move up and down under the action of the return spring 17 to be engaged with the positioning hole 12 of the positioning rod 10 to position the tension pulley body 2.

In more detail, when the tension device is installed, the positioning portion 15 of the positioning assembly 11 is matched with the positioning hole 12 of the positioning rod 10, so that the connecting rod 3 is positioned at a pre-adjusted position, the tension wheel is adjusted to be a prepared position, when the tension wheel needs to be adjusted, the lifting portion 16 is pulled upwards to compress the return spring 17, the sliding portion 14 moves upwards to enable the positioning portion 15 to be away from the positioning hole 12 which is positioned completely, meanwhile, the positioning rod 10 is pulled to enable the connecting spring 9 to be compressed or rebounded, the position of the connecting rod 3 in the sliding space is adjusted, when the connecting rod 3 is adjusted completely, the lifting portion 16 is released, the return spring 17 rebounds, the positioning portion 15 extends into the corresponding positioning hole 12 of the positioning rod 10, and the connecting rod 3 is positioned at a certain position so that the tension wheel is positioned at the position which needs to be adjusted to work.

More specifically, the pulling portion 16 is provided at the upper end of the positioning portion 15, is formed integrally with the positioning portion 15, and moves the positioning portion 15 up and down by pulling the pulling portion 16.

In more detail, one end of the positioning rod 10 is fixedly connected with the second fixing rod 7, and the other end of the positioning rod 10 penetrates through the fixing portion 13 and can be pulled.

Further saying in detail, the lower extreme of connecting rod 3 is provided with and is used for fixing a position gliding locating piece 20, fixing base 1 on and for having seted up in recess 4 and supply the gliding spout 21 of locating piece 20, the slip of connecting rod 3 goes on spout 21, setting up of locating piece 20 makes connecting rod 3 more stable when adjusting, has improved the utility model discloses a structural stability.

In a further elaboration, the lower end of the fixing seat 1 is integrally provided with a supporting portion 22 for fixing, and the supporting portion 22 and the fixing seat 1 are integrally formed.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the fixing seat 1, the tensioning wheel 7 body 2, the connecting rod 3, the groove 4, the first fixing rod 5, the hole 6, the second fixing rod 7, the slot 8, the connecting spring 9, the positioning rod 10, the positioning assembly 11, the positioning hole 12, the fixing portion 13, the sliding portion 14, the positioning portion 15, the lifting portion 16, the return spring 17, the opening 18, the movable space 19, the positioning block 20, the sliding groove 21, the supporting portion 22, and the like are used more often in the drawings, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A tension wheel with strong and stable connection comprises a fixed seat (1) and a tension wheel body (2) arranged on the fixed seat (1), it is characterized in that the tension wheel body (2) is fixedly sleeved with a connecting rod (3), the fixed seat (1) is provided with a groove (4) for installing the tension pulley body (2), the fixed seat (1) is provided with a first fixed rod (5) for adjusting the position of the tension pulley body (2), and the first fixing rod (5) penetrates out of the groove (4) and is fixed on the fixed seat (1) through a bolt, the connecting rod (3) is provided with a hole (6) for the first fixing rod (5) to penetrate through, a second fixing rod (7) is convexly arranged at the upper end of the connecting rod (3), the fixed seat (1) is provided with a slot (8) for the second fixed rod (7) to penetrate and slide, a connecting spring (9) is fixedly arranged between the groove (4) and the connecting rod (3), a positioning rod (10) for positioning is also arranged on the second fixing rod (7), the upper end part of the fixed seat (1) is provided with a positioning component (11) for positioning the positioning rod (10), the positioning rod (10) is provided with a plurality of positioning holes (12) for positioning the positioning components (11).

2. The tension roller with the strong and stable connection as claimed in claim 1, wherein the positioning assembly (11) comprises a fixing portion (13), a sliding portion (14), a positioning portion (15), a pulling portion (16) and a return spring (17), the fixing portion (13) is disposed at the upper end of the fixing seat (1), the fixing portion (13) is in a shape of Chinese character 'ao', the sliding portion (14) and the positioning portion (15) are integrally formed, the return spring (17) is disposed between the sliding portion (14) and the fixing portion (13), an opening (18) for the positioning portion (15) to penetrate through is formed in the fixing portion (13), a movable space (19) for the positioning portion (15) to move up and down is formed in the fixing portion (13), and the positioning portion (15) moves up and down under the action of the return spring (17) so as to be engaged with the positioning hole (12) in the positioning rod (10) to position the tension roller body (2).

3. The tension roller with strong and stable connection as claimed in claim 2, wherein the pulling portion (16) is disposed at the upper end of the positioning portion (15) and is integrally formed with the positioning portion (15), and the positioning portion (15) can move up and down by pulling the pulling portion (16).

4. The tension wheel with strong and stable connection as claimed in claim 1, wherein one end of the positioning rod (10) is fixedly connected with the second fixing rod (7), and the other end of the positioning rod (10) penetrates through the fixing portion (13) and can be pulled.

5. The tension roller with strong and stable connection as claimed in claim 1, wherein the lower end of the connecting rod (3) is provided with a positioning block (20) for positioning and sliding, and a sliding groove (21) for sliding the positioning block (20) is formed in the fixing seat (1) and relative to the groove (4).

6. The tension roller with strong and stable connection as claimed in claim 1, wherein the lower end of the fixing seat (1) is integrally provided with a supporting portion (22) for fixation, and the supporting portion (22) and the fixing seat (1) are integrally formed.