CN202082353U - Belt tensioning structure - Google Patents
Belt tensioning structure Download PDFInfo
- Publication number
- CN202082353U CN202082353U CN2011202082012U CN201120208201U CN202082353U CN 202082353 U CN202082353 U CN 202082353U CN 2011202082012 U CN2011202082012 U CN 2011202082012U CN 201120208201 U CN201120208201 U CN 201120208201U CN 202082353 U CN202082353 U CN 202082353U
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- CN
- China
- Prior art keywords
- bracket
- support
- described support
- belt
- circle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model provides a belt tensioning structure, which comprises a bracket and a tensioning wheel arranged at one end of the bracket. The other end of the bracket is movably connected with a support through a connecting piece; the bracket is provided with an arc-shaped hole regarding the axis of the connecting piece as the center of a circle; the bracket rotates by regarding the axis of the connecting piece as the center of the circle to realize the position regulation of the tensioning wheel; and the bracket is fixed on the support through a fixing piece passing through the arc-shaped hole. The bracket is the rigid bracket in integral casting molding. The fixing piece is a stud with an external thread structure; one end of the stud is penetrated through the arc-shaped hole and is in threaded connection with the support, while the other end is used for fixedly connecting the bracket and the support through a clamp nut. A spacer bush is sheathed on the connecting piece; and the outer circle face of the spacer bush is in clearance fit connection with the bracket. With respect to the prior art, a tensioning spring is omitted in the belt tensioning structure so that the problem that elastic property of the tensioning spring is reduced after the tensioning spring is used for a long time is eliminated; moreover, the service life of the belt tensioning structure is prolonged and the safety and reliability of the belt tensioning structure are also improved.
Description
Technical field
The utility model relates to a kind of mechanical transmission, is specifically related to a kind of tension pulley.
Background technique
In the mechanical transmission, belt transmission is used more extensive, and is effective in order to guarantee reliable transmission, need tension pulley be installed in belt transmission.In actual production, a part of bel-drivenn power is bigger, and the rotating speed of belt is higher, and working strength is bigger, and traditional tension pulley is by being bolted on the equipment, and utilizes and regulate the position that bolt changes Idle wheel, and operation is extremely inconvenient; And the intensity of Idle wheel is relatively poor, and under the running up of belt, Idle wheel can tilt even fracture, and has had a strong impact on the bel-drivenn transmission efficiency, needs bigger installing space simultaneously in installation process.
Existing Chinese patent literature CN 201074662 Y disclose a kind of belt stretcher, comprise support, one end of support is provided with Idle wheel, the other end is connected with bearing hinge, between support and bearing, be provided with tension spring, have locating slot on support, the threaded fastener that is used for the locking of support and support position passes locating slot and is connected with bearing.Simplified the structure of tension device though adopt said structure, install also more convenient, but the tensioning degree of drivign belt is controlled automatically by the tension spring that is arranged between Idle wheel support and the bearing in the said structure, and the elastic performance degeneration certainly will appear in tension spring in long-term using process, the elasticity tension deficiency, make the tension force of tension device weaken, reduce working life, if and continuation is used when this situation occurring, not only can not realize auto-tensioning, also belt slippage might occur, for whole system, have potential safety hazard.On the other hand, above-mentioned belt stretcher is owing to adopted the tensioning degree of tension spring control belt, therefore make that support is a bending structure, the supporting structure of bending not only can increase technologic complexity and degree of difficulty in manufacture process, and increased whole belt tension result's volume, when installing and using, can take bigger space.
Summary of the invention
Technical problem to be solved in the utility model is a tension pulley weak point in working life of the prior art, big, the long-term technical problem that has potential safety hazard of using takes up room when installing, and then provide a kind of simple and reliable for structure, have the belt tension structure that takes up room little than long life and structure optimization.
For solving the problems of the technologies described above, the utility model provides a kind of belt tension structure, comprise support and the Idle wheel that is arranged on described support one end, the other end of described support and described bearing flexibly connect by link, the axis that is provided with described link on the described support is the arcuate socket in the center of circle, described support is that the position adjustment that realizes described Idle wheel is rotated in the center of circle with the axis of described link, and passes described arcuate socket by a fixed block described support is fixed on the described bearing.
Described support is an integrally casting moulding rigid trestle.
Described fixed block is the double-screw bolt with external thread structure, and the one end passes described arcuate socket and is threaded with bearing, and the other end is fixedly connected with bearing with described support by tightening nut.
Socket one spacer on the described link, the periphery of described spacer connects with described support Spielpassung.
The utlity model has following beneficial effect:
1, belt tension structure described in the utility model is with respect to having saved tension spring in the prior art, being provided with described link on the described support is the arcuate socket in the center of circle, described support is that the change in location that realizes described Idle wheel is rotated in the center of circle with described link axis, behind the belt tension, passing described arcuate socket by a fixed block is fixed on described support on the described bearing, therefore there is not the long-term problem of using the elastic performance decline of back tension spring, prolong the working life of belt tension structure, also improved the safety reliability of belt tension structure simultaneously.
2, remove the structure of tension spring in the utility model, made that whole belt tension structure becomes simply, smaller volume, therefore in installation process, taken less space.
3, the utility model medium-height trestle is integrally casting moulding rigid trestle, and is durable, and owing to adopt integrated formed structure, the volume of support is less, is not easy distortion, safe and reliable during use, has longer working life.
Description of drawings
Fig. 1 is the sectional view of belt tension structure described in the utility model;
Fig. 2 is the right elevation of belt tension structure described in the utility model;
Wherein each label list is shown: 1-support 2-Idle wheel 3-fixed block 4-curve bath 5-link 6-spacer.
Embodiment
The utility model is elaborated below in conjunction with drawings and Examples.
As depicted in figs. 1 and 2, the utility model provides a kind of belt tension structure, comprise support 1 and the Idle wheel 2 that is arranged on described support 1 one ends, the other end of described support 1 and described bearing flexibly connect by link 5, the axis that is provided with described link 5 on the described support 1 is the arcuate socket 4 in the center of circle, described support 1 is that the position adjustment that realizes described Idle wheel 2 is rotated in the center of circle with the axis of described link 5, and passes described arcuate socket 4 by a fixed block 3 described support 1 is fixed on the described bearing.
In concrete application process, because described support 1 is for the flexible connection state with described bearing, therefore when unclamping after the fixed block 3, described support 1 can be that the center of circle rotates with the axis of described link 5, and described Idle wheel 2 is fixed on the other end of described support 1, therefore realize the change in location of described Idle wheel 2 by rotating described support 1, after the tensioning of belt leather band, utilize fixed block 3 that support is fixed, adopt the tension force that can well guarantee belt in such a way, and the problem that the elastic performance that does not have tension spring is degenerated, make whole belt tension reliability of structure be greatly improved, simultaneously owing to saved the structure of tension spring, make whole belt tension designs simplification, it is little to take up room.
Described support 1 is integrally casting moulding rigid trestle, and is durable, and owing to adopt integrated formed structure, the volume of support is less, is not easy distortion, safe and reliable during use, has longer working life.
Described fixed block 3 is for having the double-screw bolt of external thread structure, the one end passes described arcuate socket 4 and is threaded with bearing, the other end is fixedly connected with bearing with described support 1 by tightening nut, and as disposable mode of execution, described fixed block 3 can also be selected other fixed component.
Socket one spacer 6 on the described link 5, the periphery of described spacer 6 connects with described support 1 Spielpassung.Described spacer 6 can better be realized the flexible connection between described support 1 and the described bearing, and when needs were adjusted the position of described Idle wheel 2, can adjust described support 1 was that rotate flexibly in the center of circle with described link.
Though the utility model elaborates it by embodiment; but; those skilled in the art should be understood that; the any form of being made on this basis that does not exceed the claim protection domain and the variation of details all belong to the claimed scope of the utility model.
Claims (4)
1. belt tension structure comprises support (1) and is arranged on the Idle wheel (2) of described support (1) one end, and the other end of described support (1) and described bearing flexibly connect by link (5), it is characterized in that:
It is the arcuate socket (4) in the center of circle that described support (1) is gone up the axis that is provided with described link (5), described support (1) is that the center of circle is rotated the position of realizing described Idle wheel (2) and adjusted with the axis of described link (5), and passes described arcuate socket (4) by a fixed block (3) described support (1) is fixed on the described bearing.
2. belt tension structure according to claim 1 is characterized in that:
Described support (1) is an integrally casting moulding rigid trestle.
3. belt tension structure according to claim 2 is characterized in that:
Described fixed block (3) is for having the double-screw bolt of external thread structure, and the one end passes described arcuate socket (4) and is threaded with bearing, and the other end is fixedly connected with bearing with described support (1) by tightening nut.
4. belt tension structure according to claim 3 is characterized in that:
Described link (5) is gone up socket one spacer (6), and the periphery of described spacer (6) connects with described support (1) Spielpassung.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202082012U CN202082353U (en) | 2011-06-20 | 2011-06-20 | Belt tensioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202082012U CN202082353U (en) | 2011-06-20 | 2011-06-20 | Belt tensioning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202082353U true CN202082353U (en) | 2011-12-21 |
Family
ID=45342982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202082012U Expired - Lifetime CN202082353U (en) | 2011-06-20 | 2011-06-20 | Belt tensioning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202082353U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235294A (en) * | 2014-09-15 | 2014-12-24 | 成都嘉陵华西光学精密机械有限公司 | Novel fixed type belt tightening pulley |
| CN107918971A (en) * | 2017-12-21 | 2018-04-17 | 深圳怡化电脑股份有限公司 | A kind of clear adds the passage tensioning apparatus and financial self-service equipment of paper money |
| US20220412439A1 (en) * | 2021-06-24 | 2022-12-29 | Gates Corporation | Fixed belt tensioner |
-
2011
- 2011-06-20 CN CN2011202082012U patent/CN202082353U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235294A (en) * | 2014-09-15 | 2014-12-24 | 成都嘉陵华西光学精密机械有限公司 | Novel fixed type belt tightening pulley |
| CN107918971A (en) * | 2017-12-21 | 2018-04-17 | 深圳怡化电脑股份有限公司 | A kind of clear adds the passage tensioning apparatus and financial self-service equipment of paper money |
| CN107918971B (en) * | 2017-12-21 | 2023-12-26 | 深圳怡化电脑股份有限公司 | Channel tensioning device for banknote adding of cleaner and self-service financial equipment |
| US20220412439A1 (en) * | 2021-06-24 | 2022-12-29 | Gates Corporation | Fixed belt tensioner |
| US11898636B2 (en) * | 2021-06-24 | 2024-02-13 | Gates Corporation | Fixed belt tensioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151225 Address after: 213176 Chang FA Industrial Park, Wujin Road, Wujin District, Jiangsu, Changzhou Patentee after: Jiangsu Changfa Agricultural Equipment Co., Ltd. Address before: 213176 Chang FA Industrial Zone, South Gate, Wujin District, Jiangsu, Changzhou Patentee before: Changfa Power Machinery Co., Ltd., Changzhou City |
|
| CX01 | Expiry of patent term |
Granted publication date: 20111221 |
|
| CX01 | Expiry of patent term |