CN215861624U

CN215861624U - Synchronous belt pulley capable of realizing stable transmission

Info

Publication number: CN215861624U
Application number: CN202122003784.1U
Authority: CN
Inventors: 钱卫锋
Original assignee: Changshu City Fuyou Transmission Equipment Technology Co ltd
Current assignee: Changshu City Fuyou Transmission Equipment Technology Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-02-18
Anticipated expiration: 2031-08-25

Abstract

The utility model relates to the technical field of transmission parts, in particular to a synchronous pulley capable of stably transmitting, and provides a scheme aiming at the problem of low transmission stability of the existing synchronous pulley. The synchronous belt pulley fixing device is reasonable in structure and simple to operate, the synchronous belt pulley is clamped outside the transmission shaft, the problem that the synchronous belt pulley slides along the transmission shaft in the transmission process is avoided, the stability of the synchronous belt pulley in the transmission process is guaranteed, and the reliability that the synchronous belt pulley is clamped outside the transmission shaft is guaranteed through further fixing of the stabilizing mechanism.

Description

Synchronous belt pulley capable of realizing stable transmission

Technical Field

The utility model relates to the field of transmission parts, in particular to a synchronous belt pulley capable of realizing stable transmission.

Background

Synchronous pulley, refers to and generally makes by material such as steel, aluminum alloy, cast iron, brass, its hole has the form of round hole, D-shaped hole, bell mouth etc.. The synchronous belt wheel transmission consists of a closed annular rubber belt with equidistant teeth on the inner peripheral surface and a corresponding belt wheel. The problem of current synchronous pulley sliding along the transmission shaft outer wall appears easily after long-time transmission is connected, and then can't guarantee synchronous pulley stability in transmission process, for this reason, this scheme has provided a synchronous pulley that can steadily transmit.

SUMMERY OF THE UTILITY MODEL

The synchronous belt pulley capable of stably transmitting solves the problem that the transmission stability of the synchronous belt pulley in the prior art is not high.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a synchronous belt pulley capable of stably transmitting comprises a belt pulley main body, wherein key grooves are formed in the inner wall of the belt pulley main body, stabilizing mechanisms are respectively installed on two sides of the belt pulley main body and comprise a sleeve fixedly connected to the outer wall of one side of the belt pulley main body and a driving sleeve installed outside the sleeve, a connecting sleeve is installed outside the driving sleeve, first connecting rods are respectively hinged to the top and the bottom of the connecting sleeve, U-shaped frames are fixedly connected to the top and the bottom of the sleeve, supporting rods are respectively and rotatably connected to the insides of the two U-shaped frames, second connecting rods are respectively sleeved on the outsides of the two supporting rods, one end of each of the two second connecting rods is respectively hinged to one end of each of the two first connecting rods, the other end of each of the two second connecting rods is hinged to a third connecting rod, a limiting sliding sleeve is fixedly connected to the top and the bottom of the sleeve, and the limiting sliding sleeve is positioned on one side, far away from the belt pulley main body, of the U-shaped frame, two the third connecting rod runs through two spacing sliding sleeve settings respectively, and with spacing sliding sleeve sliding connection, two the one end that the third connecting rod is close to each other all extends to telescopic inside, and the rigid coupling has an arc piece, two the equal rigid coupling in one side that the arc piece is close to each other has a plurality of non-slip raised, the both sides of band pulley main part still are provided with the fixed establishment who is used for two fixed driving sleeves respectively.

Preferably, the sleeve is externally provided with a thread groove, and the driving sleeve is screwed on the inner wall of the thread groove.

Preferably, the driving sleeve is provided with an annular groove on the outside, and the connecting sleeve is sleeved inside the annular groove and is rotatably connected with the annular groove.

Preferably, the fixing mechanism comprises a supporting block fixedly connected to the outer wall of one side of the belt wheel main body and a clamping groove formed in the outer wall of the driving sleeve, a sliding rod is mounted on the supporting block, the sliding rod penetrates through the supporting block and is in sliding connection with the supporting block, a clamping block is fixedly connected to one end, close to the driving sleeve, of the sliding rod, one side, close to the driving sleeve, of the clamping block extends to the inside of the clamping groove and is matched with the clamping groove, a spring is sleeved on the outer portion of the sliding rod, one end of the spring is fixedly connected with the outer wall of the supporting block, and the other end of the spring is fixedly connected with the outer wall of the clamping block.

Preferably, one end of the sliding rod, which is far away from the driving sleeve, is fixedly connected with a limiting block.

Preferably, handles are fixedly connected to the top and the bottom of the driving sleeve.

The utility model has the beneficial effects that:

1. through the cooperation of each part of stabilizing mean, can press from both sides the outside at the transmission shaft with synchronous pulley to effectively prevented synchronous pulley at the gliding problem of operation in-process along the transmission shaft outer wall, and then guaranteed synchronous pulley at the stability of transmission in-process, stabilizing mean operation is very simple moreover, and the staff of being convenient for uses.

2. Through the cooperation of each part of the fixing mechanism, in the transmission process of the synchronous belt pulley, the problem that the driving sleeve is loosened due to vibration and cannot clamp the transmission shaft due to the stabilizing mechanism can be prevented, and therefore the reliability that the synchronous belt pulley is clamped outside the transmission shaft is further guaranteed.

The synchronous belt pulley fixing device is reasonable in structure and simple to operate, the synchronous belt pulley is clamped outside the transmission shaft, the problem that the synchronous belt pulley slides along the transmission shaft in the transmission process is avoided, the stability of the synchronous belt pulley in the transmission process is guaranteed, and the reliability that the synchronous belt pulley is clamped outside the transmission shaft is guaranteed through further fixing of the stabilizing mechanism.

Drawings

Fig. 1 is a front view of an external structure of the present invention.

Fig. 2 is a side sectional view of a part of the structure of the stabilizing mechanism of the present invention.

Fig. 3 is a left side cross-sectional view of the internal structure of the pulley body of the present invention.

Fig. 4 is an enlarged view of the utility model at a in fig. 2.

Fig. 5 is a top view of the fixing mechanism structure of the present invention.

Reference numbers in the figures: 1. a pulley body; 2. a sleeve; 3. a drive sleeve; 4. connecting sleeves; 5. a first connecting rod; 6. a U-shaped frame; 7. a strut; 8. a second connecting rod; 9. a third connecting rod; 10. a limiting sliding sleeve; 11. an arc-shaped block; 12. a keyway; 13. a thread groove; 14. a support block; 15. a card slot; 16. a slide bar; 17. a clamping block; 18. a spring; 19. anti-skid projections; 20. a limiting block; 21. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a synchronous pulley capable of stably transmitting comprises a pulley main body 1, a key groove 12 is formed on the inner wall of the pulley main body 1, stabilizing mechanisms are respectively installed on two sides of the pulley main body 1, each stabilizing mechanism comprises a sleeve 2 fixedly connected to the outer wall of one side of the pulley main body 1 and a driving sleeve 3 installed outside the sleeve 2, a thread groove 13 is formed on the outside of the sleeve 2, the driving sleeve 3 is in threaded connection with the inner wall of the thread groove 13, a connecting sleeve 4 is installed on the outside of the driving sleeve 3, a ring groove is formed on the outside of the driving sleeve 3, the connecting sleeve 4 is sleeved inside the ring groove and is rotatably connected with the ring groove, the top and the bottom of the connecting sleeve 4 are respectively hinged with a first connecting rod 5, the top and the bottom of the sleeve 2 are respectively and fixedly connected with a U-shaped frame 6, supporting rods 7 are rotatably connected inside the two U-shaped frames 6, and second connecting rods 8 are respectively sleeved outside the two supporting rods 7, one end of each of two second connecting rods 8 is hinged with one end of each of two first connecting rods 5, the other end of each of two second connecting rods 8 is hinged with a third connecting rod 9, the top and the bottom of the sleeve 2 are fixedly connected with a limiting sliding sleeve 10, the limiting sliding sleeves 10 are positioned on the side of the U-shaped frame 6 far away from the belt wheel main body 1, the two third connecting rods 9 are respectively arranged through the two limiting sliding sleeves 10 and are in sliding connection with the limiting sliding sleeves 10, the ends, close to each other, of the two third connecting rods 9 extend into the sleeve 2 and are fixedly connected with arc-shaped blocks 11, one sides, close to each other, of the two arc-shaped blocks 11 are fixedly connected with a plurality of anti-skid protrusions 19, firstly, a worker aligns a key groove 12 in the belt wheel main body 1 with a key pin on a transmission shaft, then the key groove 12 sleeves the belt wheel main body 1 outside the transmission shaft along the key pin, then clockwise rotates the driving sleeve 3, and then the driving sleeve 3 moves along the inner wall of a thread groove 13 towards the direction far away from the belt wheel main body 1, thereby driving the connecting sleeve 4 rotatably connected inside the annular groove to horizontally move towards the belt wheel main body 1, further driving one end of the two third connecting rods 9 hinged outside the connecting sleeve 4 to follow the connecting sleeve 4 to horizontally move synchronously, driving one end of the two second connecting rods 8 hinged with the third connecting rods 9 to rotate towards one side far away from the sleeve 2 through the action of the third connecting rods 9 hinged with the second connecting rods 8, respectively driving one end of the two second connecting rods 8 hinged with the first connecting rods 5 to rotate towards one side near the sleeve 2 by taking the supporting rod 7 as the center, further driving the two first connecting rods 5 to move towards the inside of the sleeve 2 along the inner wall of the limiting sliding sleeve 10, further driving the two arc blocks 11 to move towards the outer wall of the transmission shaft, and clamping the transmission shaft by matching with the plurality of anti-skid protrusions 19, thereby avoiding the problem that the transmission shaft rotates when the belt wheel main body 1 is driven to rotate, The belt wheel main body 1 slides along the outer wall of the transmission shaft, so that the stability of the belt wheel main body 1 in the transmission process is ensured;

the two sides of the belt wheel main body 1 are also provided with fixing mechanisms respectively used for fixing the two driving sleeves 3, each fixing mechanism comprises a supporting block 14 fixedly connected to the outer wall of one side of the belt wheel main body 1 and a clamping groove 15 arranged on the outer wall of the driving sleeve 3, a sliding rod 16 is installed on the supporting block 14, the sliding rod 16 penetrates through the supporting block 14 and is in sliding connection with the supporting block 14, one end, close to the driving sleeve 3, of the sliding rod 16 is fixedly connected with a clamping block 17, one side, close to the driving sleeve 3, of the clamping block 17 extends into the clamping groove 15 and is matched with the clamping groove 15, the outer part of the sliding rod 16 is sleeved with a spring 18, one end of the spring 18 is fixedly connected with the outer wall of the supporting block 14, the other end of the spring 18 is fixedly connected with the outer wall of the clamping block 17, by pulling the sliding rod 16 backwards, the spring 18 is extruded and drives the clamping block 17 to be separated from the clamping groove 15, the driving sleeve 3 can be rotated anticlockwise, by rotating the driving sleeve 3 clockwise, when the clamping groove 15 is aligned with the clamping block 17, the slide bar 16 is loosened, and the fixture block 17 is driven to be clamped into the clamping groove 15 by matching with the rebound force of the spring 18, so that the driving sleeve 3 can be prevented from rotating;

a limiting block 20 is fixedly connected to one end of the sliding rod 16 far away from the driving sleeve 3, and the limiting block 20 is used for preventing the sliding rod 16 from falling off from the supporting block 14;

the top and the bottom of the driving sleeve 3 are fixedly connected with a handle 21, and the handle 21 is arranged to drive the driving sleeve 3 to rotate.

The working principle is as follows: firstly, a worker aligns a key groove 12 in a belt wheel main body 1 with a key pin on a transmission shaft, then the key groove 12 sleeves the belt wheel main body 1 outside the transmission shaft along the key pin, then the driving sleeve 3 is rotated clockwise, and further the driving sleeve 3 moves towards the direction far away from the belt wheel main body 1 along the inner wall of a thread groove 13, so that the connecting sleeve 4 rotatably connected in the annular groove is driven to horizontally move towards the belt wheel main body 1, and further one end of two third connecting rods 9 hinged outside the connecting sleeve 4 is driven to synchronously and horizontally move along with the connecting sleeve 4, one end of the two second connecting rods 8 hinged with the third connecting rods 9 is respectively driven to rotate towards one side far away from the sleeve 2 through the hinging action of the third connecting rods 9 and the second connecting rods 8, one end of the second connecting rods 8 hinged with the first connecting rods 5 is driven to rotate towards one side near the sleeve 2 through taking a support rod 7 as a center, the two first connecting rods 5 are driven to move towards the inner direction of the sleeve 2 along the inner wall of the limiting sliding sleeve 10 respectively, the two arc-shaped blocks 11 are driven to move towards the outer wall of the transmission shaft respectively, and the transmission shaft is clamped by matching with the anti-skidding protrusions 19, so that the problem that the belt wheel main body 1 slides along the outer wall of the transmission shaft when the transmission shaft drives the belt wheel main body 1 to rotate is solved, and the stability of the belt wheel main body 1 in the transmission process is further ensured;

through pulling slide bar 16 backward, spring 18 receives the extrusion to drive fixture block 17 and break away from draw-in groove 15, can anticlockwise rotate driving sleeve 3, through clockwise rotation driving sleeve 3, when draw-in groove 15 aligns with fixture block 17, unclamp slide bar 16, the bounce of cooperation spring 18 drives fixture block 17 card and advances in draw-in groove 15, can prevent that driving sleeve 3 from rotating.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The synchronous belt pulley capable of stably transmitting comprises a belt pulley main body (1) and is characterized in that a key groove (12) is formed in the inner wall of the belt pulley main body (1), stabilizing mechanisms are arranged on two sides of the belt pulley main body (1) respectively and comprise a sleeve (2) fixedly connected to the outer wall of one side of the belt pulley main body (1) and a driving sleeve (3) arranged outside the sleeve (2), a connecting sleeve (4) is arranged outside the driving sleeve (3), first connecting rods (5) are hinged to the top and the bottom of the connecting sleeve (4), U-shaped frames (6) are fixedly connected to the top and the bottom of the sleeve (2), supporting rods (7) are rotatably connected to the insides of the two U-shaped frames (6), second connecting rods (8) are sleeved to the outsides of the two supporting rods (7), one end of each second connecting rod (8) is hinged to one end of each first connecting rod (5), two the other end of second connecting rod (8) all articulates there is third connecting rod (9), the top and the equal rigid coupling in bottom of sleeve (2) have spacing sliding sleeve (10), and spacing sliding sleeve (10) are located U-shaped frame (6) and keep away from the party of band pulley main part (1), two third connecting rod (9) run through two spacing sliding sleeve (10) respectively and set up, and with spacing sliding sleeve (10) sliding connection, two the one end that third connecting rod (9) are close to each other all extends to the inside of sleeve (2), and the rigid coupling has arc piece (11), two the equal rigid coupling in one side that arc piece (11) are close to each other has a plurality of non-slip raised (19), the both sides of band pulley main part (1) still are provided with the fixed establishment who is used for fixed two driving sleeves (3) respectively.

2. The synchronous pulley capable of smoothly transmitting according to claim 1, wherein the sleeve (2) is externally provided with a thread groove (13), and the driving sleeve (3) is screwed on the inner wall of the thread groove (13).

3. The synchronous pulley capable of stably transmitting according to claim 1, wherein an annular groove is formed outside the driving sleeve (3), and the connecting sleeve (4) is sleeved inside the annular groove and rotatably connected with the annular groove.

4. A synchronous pulley capable of smooth transmission according to claim 1, the fixing mechanism comprises a supporting block (14) fixedly connected on the outer wall of one side of the belt wheel main body (1) and a clamping groove (15) arranged on the outer wall of the driving sleeve (3), a slide bar (16) is arranged on the supporting block (14), the slide bar (16) penetrates through the supporting block (14) and is in sliding connection with the supporting block (14), a clamping block (17) is fixedly connected at one end of the sliding rod (16) close to the driving sleeve (3), one side of the clamping block (17) close to the driving sleeve (3) extends into the clamping groove (15) and is matched with the clamping groove (15), the outer part of the sliding rod (16) is sleeved with a spring (18), one end of the spring (18) is fixedly connected with the outer wall of the supporting block (14), and the other end of the spring (18) is fixedly connected with the outer wall of the clamping block (17).

5. Synchronous pulley according to claim 4, characterized in that a stop block (20) is fixed to the end of the sliding rod (16) away from the driving sleeve (3).

6. A synchronous pulley according to claim 1, characterized in that a handle (21) is fixed to the top and bottom of the driving sleeve (3).