CN216242094U - Tension pulley with high dustproof structure - Google Patents
Tension pulley with high dustproof structure Download PDFInfo
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- CN216242094U CN216242094U CN202122344985.8U CN202122344985U CN216242094U CN 216242094 U CN216242094 U CN 216242094U CN 202122344985 U CN202122344985 U CN 202122344985U CN 216242094 U CN216242094 U CN 216242094U
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- protective cover
- screw thread
- thread post
- tension wheel
- tension
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Abstract
The utility model belongs to the technical field of tension wheels, and relates to a tension wheel with a high dustproof structure. Its beneficial effect is, this tight pulley that rises with high dustproof construction, through first screw thread post, second screw thread post, the cooperation of screw cap and second pivot, when people need dismantle the protective cover, people only need twist and move the knob, it rotates to drive first screw thread post, at second screw thread post, under the cooperation of screw cap and second pivot, can drive the connecting rod and remove, break away from the draw-in groove when the connecting rod, people can stop to twist and move the knob, people twist simultaneously and move gland nut, take off gland nut, can dismantle the protective cover, effectively prevent that the dust from entering into antifriction bearing, guarantee that antifriction bearing is inside clean, antifriction bearing's life has been improved greatly.
Description
Technical Field
The utility model belongs to the technical field of tension wheels, and particularly relates to a tension wheel with a high dustproof structure.
Background
The belt tension pulley of the engine is one of indispensable common parts of the engine, the belt of a water pump, a generator, an air conditioner and the like can normally work under the tension action of the tension pulley, the service life of the tension pulley directly influences the reliability of the engine, if the tension pulley is damaged, the engine can normally work after replacement and maintenance, the normal tension pulley is installed at the front end of the diesel engine, dust in the air can enter the rolling bearing of the tension pulley in the driving process of the vehicle to cause the clamping stagnation of the rolling bearing, so that the work failure of the tension pulley is caused, the belt is broken off or broken, and the normal work of the engine is influenced.
For example, the tension wheel mechanism (application number: 201720397.3) disclosed in the chinese patent document with a dustproof function maintains the original components, and adds a front protective cover and a rear protective cover, which can effectively prevent dust from entering the rolling bearing, thereby ensuring the interior of the rolling bearing to be clean, greatly improving the service life of the rolling bearing.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a tension roller with a high dustproof structure, which solves the technical problem that a protective cover is easy to wear and separate after being used for a long time.
In order to achieve the purpose, the utility model provides the following technical scheme: a tension roller with a high dustproof structure comprises a support, a waist-shaped hole and a tension roller shaft, wherein the waist-shaped hole is formed in the surface of the support, the tension roller shaft penetrates through the waist-shaped hole, an adjusting screw penetrates through the surface of the support, the right end of the adjusting screw penetrates through the surface of the tension roller shaft, a cushion block is fixedly connected to the upper surface of the support and is sleeved on the surface of the tension roller shaft, a rolling bearing and a compression nut are arranged on the surface of the tension roller shaft, the rolling bearing and the compression nut are sequentially sleeved on the tension roller shaft, a tension roller body is arranged on the surface of the tension roller shaft, the tension roller body is sleeved on the rolling bearing and synchronously rotates, an upper protective cover is arranged on the side surface of the tension roller body, the front end of the upper protective cover is lapped on the upper surface of the tension roller body, the rear end of the upper protective cover is lapped on the surface of the tension roller shaft, and a lower protective cover is arranged on the side surface of the tension roller body, the front end of the lower protective cover is lapped on the lower surface of the tension pulley body, the rear end of the lower protective cover is lapped on the surface of the cushion block, and the rear end of the upper protective cover and the rear end of the lower protective cover are compressed through a compression nut.
As a further scheme of the utility model: go up the inside transmission storehouse of having seted up of protective cover, first bearing is worn to be equipped with on transmission storehouse surface, first pivot is worn to be equipped with inside, first pivot left end fixedly connected with knob, first pivot right end fixedly connected with first screw thread post, first screw thread post right-hand member fixedly connected with second screw thread post, first screw thread post and second screw thread post screw thread opposite direction, second screw thread post right-hand member fixedly connected with second pivot, transmission storehouse inner wall fixedly connected with second bearing, the second pivot is worn to establish in the second bearing.
As a further scheme of the utility model: the surface of the second threaded column is in threaded connection with two threaded caps which are symmetrically arranged on the surfaces of the first threaded column and the second threaded column, a connecting rod is fixedly connected to the side face of each threaded cap, a movable groove is formed in the surface of the transmission bin, the connecting rod penetrates through the movable groove, a groove is formed in the surface of the tensioning wheel body, a clamping groove is formed in the surface of the groove, and the connecting rod is clamped in the clamping groove.
As a further scheme of the utility model: the cushion block is of a step structure, and the tail end of the lower protective cover is pressed on the surface of the step structure of the cushion block.
As a further scheme of the utility model: the tension wheel body is in interference fit with the rolling bearing.
Compared with the prior art, the utility model has the beneficial effects that:
this tight pulley that rises with high dustproof construction, through first screw thread post, second screw thread post, the cooperation of screw cap and second pivot, when people need dismantle the protective cover, people only need twist and move the knob, it rotates to drive first screw thread post, at second screw thread post, under the cooperation of screw cap and second pivot, can drive the connecting rod and remove, break away from the draw-in groove when the connecting rod, people can stop twisting and move the knob, people twist simultaneously gland nut, take off gland nut, can dismantle last protective cover, effectively prevent that the dust from entering into antifriction bearing, guarantee that antifriction bearing is inside clean, antifriction bearing's life has been improved greatly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a front cross-sectional structural schematic view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 1 at A;
in the figure: 1. a support; 2. an adjusting screw; 3. a tension roller body; 4. cushion blocks; 5. a tensioning wheel shaft; 6. An upper protective cover; 7. a compression nut; 8. a rolling bearing; 9. a lower protective cover; 10. a kidney-shaped hole; 11. a groove; 12. a transmission bin; 13. a first bearing; 14. a first rotating shaft; 15. a knob; 16. a first threaded post; 17. a second threaded post; 18. a second rotating shaft; 19. a second bearing; 20. a threaded cap; 21. a connecting rod; 22. a movable groove; 23. a clamping groove.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a tight pulley that rises with high dustproof construction, includes support 1, waist type hole 10 and tight pulley shaft 5 that rises, its characterized in that: the waist-shaped hole 10 is arranged on the surface of the bracket 1, the tension wheel shaft 5 is arranged in the waist-shaped hole 10 in a penetrating manner, the adjusting screw 2 is arranged on the surface of the bracket 1 in a penetrating manner, the right end of the adjusting screw 2 is arranged on the surface of the tension wheel shaft 5 in a penetrating manner, the cushion block 4 is fixedly connected to the upper surface of the bracket 1 and is sleeved on the surface of the tension wheel shaft 5, the rolling bearing 8 and the gland nut 7 are arranged on the surface of the tension wheel shaft 5 in a penetrating manner, the tension wheel body 3 is arranged on the surface of the tension wheel shaft 5, the tension wheel body 3 is sleeved on the rolling bearing 8 and synchronously rotates, the side surface of the tension wheel body 3 is provided with the upper protective cover 6, the front end of the upper protective cover 6 is lapped on the upper surface of the tension wheel body 3, the rear end of the upper protective cover 6 is lapped on the surface of the wheel shaft 5, the side surface of the tension wheel body 3 is provided with the lower protective cover 9, the front end of the lower protective cover 9 is lapped on the lower surface of the tension wheel body 3, the rear end of the lower protective cover 9 is lapped on the surface of the cushion block 4, and the rear end of the upper protective cover 6 and the rear end of the lower protective cover 9 are tightly pressed through the compression nut 7.
In this embodiment, a transmission bin 12 is disposed inside the upper protection cover 6, a first bearing 13 penetrates through the surface of the transmission bin 12, a first rotating shaft 14 penetrates through the first bearing 13, a knob 15 is fixedly connected to the left end of the first rotating shaft 14, a first threaded post 16 is fixedly connected to the right end of the first rotating shaft 14, a second threaded post 17 is fixedly connected to the right end of the first threaded post 16, the direction of threads of the first threaded post 16 is opposite to that of threads of the second threaded post 17, a second rotating shaft 18 is fixedly connected to the right end of the second threaded post 17, a second bearing 19 is fixedly connected to the inner wall of the transmission bin 12, the second rotating shaft 18 penetrates through the second bearing 19, and by the cooperation of the first threaded post 16, the second threaded post 17, the threaded cap 20 and the second rotating shaft 18, when people need to detach the protection cover 6, people only need to screw the knob 15 to drive the first threaded post 16 to rotate, and under the cooperation of the second threaded post 17, the threaded cap 20 and the second rotating shaft 18, can drive connecting rod 21 and remove, break away from draw-in groove 23 when connecting rod 21, people can stop twisting and move knob 15, and people twist simultaneously and move gland nut 7, take off gland nut 7, can dismantle last protective cover 6, prevent effectively that the dust from entering into antifriction bearing 8, guarantee that antifriction bearing 8 is inside clean, improved antifriction bearing 8's life greatly.
In this embodiment, the surface of the second threaded column 17 is connected with two threaded caps 20 through threads, the threaded caps 20 are symmetrically arranged on the surfaces of the first threaded column 16 and the second threaded column 17, the side surface of the threaded cap 20 is fixedly connected with a connecting rod 21, the surface of the transmission bin 12 is provided with a movable groove 22, the connecting rod 21 is arranged in the movable groove 22 in a penetrating manner, the surface of the tension pulley body 3 is provided with a groove 11, the surface of the groove 11 is provided with a clamping groove 23, and the connecting rod 21 is clamped in the clamping groove 23.
The cushion block 4 in this embodiment is of a step structure, and the end of the lower protective cover 9 is pressed against the surface of the step structure of the cushion block 4.
In this embodiment, the tension roller body 3 and the rolling bearing 8 are in interference fit.
The working principle of the utility model is as follows:
when using, at first place the device in suitable position, when people need dismantle protective cover 6, people only need twist knob 15, it rotates to drive first screw thread post 16, at second screw thread post 17, screw cap 20 and second pivot 18's cooperation down, can drive connecting rod 21 and remove, break away from draw-in groove 23 when connecting rod 21, people can stop twisting knob 15, people twist gland nut 7 simultaneously, take off gland nut 7, can dismantle last protective cover 6, effectively prevent that the dust from entering into antifriction bearing 8, guarantee that antifriction bearing 8 is inside clean, the life of antifriction bearing 8 has been improved greatly.
Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.
Claims (5)
1. The utility model provides a tight pulley that rises with high dustproof construction, includes support (1), waist type hole (10) and tight pulley shaft (5) rises, its characterized in that: the waist-shaped hole (10) is formed in the surface of the support (1), the tension wheel shaft (5) penetrates through the waist-shaped hole (10), the adjusting screw (2) penetrates through the surface of the support (1), the right end of the adjusting screw (2) penetrates through the surface of the tension wheel shaft (5), a cushion block (4) is fixedly connected to the upper surface of the support (1), the cushion block (4) is sleeved on the surface of the tension wheel shaft (5), a rolling bearing (8) and a gland nut (7) are arranged on the surface of the tension wheel shaft (5), the rolling bearing (8) and the gland nut (7) are sequentially sleeved on the tension wheel shaft (5), a tension wheel body (3) is arranged on the surface of the tension wheel shaft (5), the tension wheel body (3) is sleeved on the rolling bearing (8) and synchronously rotates, an upper protective cover (6) is arranged on the side surface of the tension wheel body (3), go up protective cover (6) front end overlap joint at tight pulley body (3) upper surface that rises, go up protective cover (6) rear end overlap joint at tight pulley shaft (5) surface that rises, tight pulley body (3) side is provided with down protective cover (9), protective cover (9) front end overlap joint is at tight pulley body (3) lower surface that rises down, protective cover (9) rear end overlap joint is on cushion (4) surface down, it compresses tightly through gland nut (7) with lower protective cover (9) rear end to go up protective cover (6) rear end.
2. The tension roller with the high dustproof structure as claimed in claim 1, wherein: go up inside transmission storehouse (12) of having seted up of protective cover (6), first bearing (13) are worn to be equipped with on transmission storehouse (12) surface, first pivot (14) are worn to be equipped with inside first bearing (13), first pivot (14) left end fixedly connected with knob (15), first pivot (14) right-hand member fixedly connected with first screw thread post (16), first screw thread post (16) right-hand member fixedly connected with second screw thread post (17), first screw thread post (16) and second screw thread post (17) screw thread opposite direction, second screw thread post (17) right-hand member fixedly connected with second pivot (18), transmission storehouse (12) inner wall fixedly connected with second bearing (19), second pivot (18) are worn to establish in second bearing (19).
3. The tension roller with the high dustproof structure as claimed in claim 2, wherein: the surface of the second threaded column (17) is in threaded connection with two threaded caps (20), the threaded caps (20) are symmetrically arranged on the surfaces of the first threaded column (16) and the second threaded column (17), a connecting rod (21) is fixedly connected to the side surface of each threaded cap (20), a movable groove (22) is formed in the surface of the transmission bin (12), the connecting rod (21) is arranged in the movable groove (22) in a penetrating mode, a groove (11) is formed in the surface of the tensioning wheel body (3), a clamping groove (23) is formed in the surface of the groove (11), and the connecting rod (21) is clamped in the clamping groove (23).
4. The tension roller with the high dustproof structure as claimed in claim 1, wherein: the cushion block (4) is of a step structure, and the tail end of the lower protective cover (9) is pressed on the surface of the step structure of the cushion block (4).
5. The tension roller with the high dustproof structure as claimed in claim 1, wherein: the tension wheel body (3) is in interference fit with the rolling bearing (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122344985.8U CN216242094U (en) | 2021-09-27 | 2021-09-27 | Tension pulley with high dustproof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122344985.8U CN216242094U (en) | 2021-09-27 | 2021-09-27 | Tension pulley with high dustproof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216242094U true CN216242094U (en) | 2022-04-08 |
Family
ID=80985384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122344985.8U Active CN216242094U (en) | 2021-09-27 | 2021-09-27 | Tension pulley with high dustproof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216242094U (en) |
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2021
- 2021-09-27 CN CN202122344985.8U patent/CN216242094U/en active Active
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