CN219755243U - Self-adjusting chain tensioning device - Google Patents
Self-adjusting chain tensioning device Download PDFInfo
- Publication number
- CN219755243U CN219755243U CN202321048302.7U CN202321048302U CN219755243U CN 219755243 U CN219755243 U CN 219755243U CN 202321048302 U CN202321048302 U CN 202321048302U CN 219755243 U CN219755243 U CN 219755243U
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- hand wheel
- guide pin
- mounting block
- shaft
- wheel shaft
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- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims abstract description 6
- 238000009776 industrial production Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model discloses a self-adjusting chain tensioning device, and belongs to the technical field of industrial production. A guide pin shaft is arranged between U-shaped openings of a U-shaped fixing seat of the device; the mounting block is restrained on the guide pin shaft and has the freedom degree of axial movement along the guide pin shaft; the chain wheel is positioned at the top of the mounting block and is connected with the bearing of the mounting block; one end of the hand wheel shaft I passes through one side plate of the U-shaped fixing seat and abuts against one side of the mounting seat; the other end of the hand wheel shaft I is fixedly connected with the adjusting hand wheel I, and the hand wheel shaft I is in threaded connection with the corresponding side plate; a compression spring is sleeved on the guide pin shaft at the other side of the mounting block, and a fixed pressing sheet is arranged at the other end of the compression spring; the fixed pressing sheet is sleeved on the guide pin shaft; one end of the hand wheel shaft II passes through the other side plate of the U-shaped fixing seat and is propped against one side of the fixing sheet; the other end of the hand wheel shaft II is fixedly connected with the adjusting hand wheel II, and the hand wheel shaft II is in threaded connection with the corresponding side plate. The utility model can play a role in automatically adjusting the tension chain.
Description
Technical Field
The utility model belongs to the technical field of industrial production, and particularly relates to a self-adjusting chain tensioning device.
Background
At present, most chain tensioning devices are fixed by screws, tensioning is adjusted through long holes, additional force is needed to be applied to tension the chain in the tensioning adjustment process, the chain can be loosened after the screw is fastened, a plurality of people are needed to assist in operation, the adjustment inconvenience and adjustment stroke are short, in addition, the chain is lengthened along with the use process, and the automatic tensioning adjustment function cannot be formed.
Disclosure of Invention
In view of the above, the present utility model aims to provide a self-adjusting chain tensioning device, which can independently complete tensioning adjustment work of a chain by one person, and the adjustment travel can also select linear guide rails and springs with different lengths according to the needs. After the adjustment is completed, the chain is tensioned by the elasticity of the spring, so that the elasticity of the spring still plays a role in tensioning even if the chain is lengthened in a certain service time. Therefore, the device can play a role in automatically adjusting the tension chain within a certain time.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a self-adjusting chain tensioning device comprises a chain wheel and a U-shaped fixing seat; the hand wheel shaft I and the hand wheel shaft II are connected with the mounting block; a guide pin shaft is arranged between the U-shaped openings of the U-shaped fixing seat; the mounting block is restrained on the guide pin shaft and has freedom of moving along the axial direction of the guide pin shaft; the chain wheel is positioned at the top of the mounting block and is connected with the bearing of the mounting block;
one end of the hand wheel shaft I passes through one side plate of the U-shaped fixing seat and abuts against one side of the mounting seat; the other end of the hand wheel shaft I is fixedly connected with the adjusting hand wheel I, and the hand wheel shaft I is in threaded connection with the corresponding side plate;
a compression spring is sleeved on the guide pin shaft at the other side of the mounting block, and a fixed pressing sheet is arranged at the other end of the compression spring; the constant pressure piece is sleeved on the guide pin shaft;
one end of the hand wheel shaft II passes through the other side plate of the U-shaped fixing seat and abuts against one side of the fixing sheet; the other end of the hand wheel shaft II is fixedly connected with the adjusting hand wheel II, and the hand wheel shaft II is in threaded connection with the corresponding side plate.
Furthermore, two guide pins are arranged and are respectively positioned at two sides of the hand wheel shaft I.
Further, the guide pin shaft and the hand wheel shaft I are located on the same plane.
Further, the thread section of the hand wheel shaft I and the thread section on the hand wheel shaft II are both connected with locking nuts.
Further, the lock nut is located on the outer side of the side plate.
Further, the mounting block is provided with a guide hole, and the diameter of the guide hole is larger than that of the guide pin shaft.
Further, the device also comprises a linear guide rail and a sliding block; the linear guide rail is positioned between the U-shaped fixing seats and is parallel to the guide pin shaft; the sliding block is constrained on the linear guide rail and fixedly connected with the mounting block.
The beneficial effects generated by adopting the technical scheme are as follows:
according to the utility model, the tensioning of the chain can be adjusted through the adjusting hand wheel, one person can independently finish the tensioning adjustment work of the chain, and the adjustment stroke can be also selected according to the required linear guide rails and springs with different lengths. After the adjustment is completed, the chain is tensioned by the elasticity of the spring, so that the elasticity of the spring still plays a role in tensioning even if the chain is lengthened in a certain service time. Therefore, the device can play a role in automatically adjusting the tension chain within a certain time.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic diagram of the principle of use of the present utility model.
Wherein: 1. an adjusting hand wheel; 2. a lock nut; 3. the sprocket adjusts the hand wheel shaft; 4. a spring guide pin; 5. a spring sprocket mounting block; 6. a sprocket assembly; 7. a linear guide rail and a sliding block; 8. a compression spring; 9. a spring sprocket fixing seat; 10. a sprocket spring fixed pressing piece; 11. a lock nut; 12. the sprocket adjusts the hand wheel shaft; 13. an adjusting hand wheel; A. the self-adjusting chain tensioning device; B. a chain; C. a fixed sprocket; D. and fixing the chain wheel.
Detailed Description
The utility model will be further described with reference to the drawings and detailed description.
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly described below, and it will be apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
A self-adjusting chain tensioning device comprises a chain wheel and a U-shaped fixing seat; the hand wheel shaft I and the hand wheel shaft II are connected with the mounting block; a guide pin shaft is arranged between the U-shaped openings of the U-shaped fixing seat; the mounting block is restrained on the guide pin shaft and has freedom of moving along the axial direction of the guide pin shaft; the chain wheel is positioned at the top of the mounting block and is connected with the bearing of the mounting block;
one end of the hand wheel shaft I passes through one side plate of the U-shaped fixing seat and abuts against one side of the mounting seat; the other end of the hand wheel shaft I is fixedly connected with the adjusting hand wheel I, and the hand wheel shaft I is in threaded connection with the corresponding side plate;
a compression spring is sleeved on the guide pin shaft at the other side of the mounting block, and a fixed pressing sheet is arranged at the other end of the compression spring; the constant pressure piece is sleeved on the guide pin shaft;
one end of the hand wheel shaft II passes through the other side plate of the U-shaped fixing seat and abuts against one side of the fixing sheet; the other end of the hand wheel shaft II is fixedly connected with the adjusting hand wheel II, and the hand wheel shaft II is in threaded connection with the corresponding side plate.
Furthermore, two guide pins are arranged and are respectively positioned at two sides of the hand wheel shaft I.
Further, the guide pin shaft and the hand wheel shaft I are located on the same plane.
Further, the thread section of the hand wheel shaft I and the thread section on the hand wheel shaft II are both connected with locking nuts.
Further, the lock nut is located on the outer side of the side plate.
Further, the mounting block is provided with a guide hole, and the diameter of the guide hole is larger than that of the guide pin shaft.
Further, the device also comprises a linear guide rail and a sliding block; the linear guide rail is positioned between the U-shaped fixing seats and is parallel to the guide pin shaft; the sliding block is constrained on the linear guide rail and fixedly connected with the mounting block.
The following is a more specific example:
referring to fig. 1 to 2, the fixed sprocket C and the fixed sprocket D are both fixed sprockets, and by adjusting the self-adjusting chain tensioner a, the sprocket device in the self-adjusting chain tensioner a can be moved leftward, thereby achieving the function of tensioning the chain B.
After the lock nut 2 is loosened, the adjusting hand wheel 1 drives the sprocket adjusting hand wheel shaft 3 to be screwed in inwards, meanwhile, the spring sprocket installation block 5 is pushed to slide rightwards, metal and metal friction in the sliding process can be avoided under the action of the linear guide rail and the sliding block 7, so that metal scraps are generated, the sprocket device 6 is installed on the spring sprocket installation block 5, the sprocket device 6 is driven to move rightwards, after a chain is hung, the opposite direction adjusting hand wheel 1 drives the sprocket adjusting hand wheel shaft 3 to be screwed out a certain distance outwards, after the sprocket adjusting hand wheel shaft 3 and the spring sprocket installation block 5 are separated from a certain proper distance, the lock nut 2 is locked, at the moment, a chain is installed, and a certain spring force is also applied to tighten the chain, but the tightening force is not necessarily proper. The locking nut 11 is loosened, the regulating hand wheel 13 drives the sprocket regulating hand wheel shaft 12 to be screwed inwards, so that the sprocket spring fixing sheet 10 is pushed to compress the compression spring 8, the locking nut 11 is locked after the tensioning force of the chain reaches a proper degree, and the stability of the device is ensured. The tensioning adjustment of the chain has been completed at this point. During a certain period of use, the chain may be loosened, at which time the compression of the compression spring 8 is reduced somewhat, so that the chain continues to be tensioned. The device can realize the automatic adjustment tensioning function of the chain in a certain range.
Claims (7)
1. A self-adjusting chain tensioning device comprises a chain wheel and a U-shaped fixing seat; the hand wheel is characterized by further comprising a mounting block, a hand wheel shaft I and a hand wheel shaft II; a guide pin shaft is arranged between the U-shaped openings of the U-shaped fixing seat; the mounting block is restrained on the guide pin shaft and has freedom of moving along the axial direction of the guide pin shaft; the chain wheel is positioned at the top of the mounting block and is connected with the bearing of the mounting block;
one end of the hand wheel shaft I passes through one side plate of the U-shaped fixing seat and abuts against one side of the mounting seat; the other end of the hand wheel shaft I is fixedly connected with the adjusting hand wheel I, and the hand wheel shaft I is in threaded connection with the corresponding side plate;
a compression spring is sleeved on the guide pin shaft at the other side of the mounting block, and a fixed pressing sheet is arranged at the other end of the compression spring; the constant pressure piece is sleeved on the guide pin shaft;
one end of the hand wheel shaft II passes through the other side plate of the U-shaped fixing seat and abuts against one side of the fixing sheet; the other end of the hand wheel shaft II is fixedly connected with the adjusting hand wheel II, and the hand wheel shaft II is in threaded connection with the corresponding side plate.
2. The self-adjusting chain tensioner as in claim 1, wherein the guide pins are two on each side of the hand wheel axle I.
3. A self-adjusting chain tensioner as claimed in claim 1 wherein the guide pin and the hand wheel axle I are in the same plane.
4. A self-adjusting chain tensioner as claimed in claim 1 wherein the threaded section of the hand wheel axle I and the threaded section of the hand wheel axle II are each connected with a lock nut.
5. A self-adjusting chain tensioner as set forth in claim 4 wherein said lock nut is located on the outside of the side plate.
6. The self-adjusting chain tensioner as in claim 1, wherein the mounting block has a pilot hole having a diameter greater than the diameter of the pilot pin.
7. The self-adjusting chain tensioner of claim 6, further comprising a linear guide and a slider; the linear guide rail is positioned between the U-shaped fixing seats and is parallel to the guide pin shaft; the sliding block is constrained on the linear guide rail and fixedly connected with the mounting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321048302.7U CN219755243U (en) | 2023-05-05 | 2023-05-05 | Self-adjusting chain tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321048302.7U CN219755243U (en) | 2023-05-05 | 2023-05-05 | Self-adjusting chain tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219755243U true CN219755243U (en) | 2023-09-26 |
Family
ID=88077242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321048302.7U Active CN219755243U (en) | 2023-05-05 | 2023-05-05 | Self-adjusting chain tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219755243U (en) |
-
2023
- 2023-05-05 CN CN202321048302.7U patent/CN219755243U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |