CN210087922U - Chain tensioning device for chain transmission mechanism - Google Patents
Chain tensioning device for chain transmission mechanism Download PDFInfo
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- CN210087922U CN210087922U CN201920449018.8U CN201920449018U CN210087922U CN 210087922 U CN210087922 U CN 210087922U CN 201920449018 U CN201920449018 U CN 201920449018U CN 210087922 U CN210087922 U CN 210087922U
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- chain
- threaded rod
- adjusting plate
- drive mechanism
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Abstract
The utility model discloses a chain overspeed device tensioner for chain drive mechanism, it is including setting up force applying device and the swivelling joint on the external mounting take-up pulley on the force applying device, force applying device is used for the drive the chain that chain drive mechanism was withstood to the take-up pulley is so that the chain tensioning. The utility model discloses can make the chain keep the tensioning constantly, avoid shutting down and adjust chain rate of tension, save time.
Description
Technical Field
The utility model relates to a chain overspeed device tensioner for chain drive mechanism.
Background
At present, the chain transmission is widely applied, the chain transmission can be seen everywhere in production and life, the chain transmission has no slipping phenomenon, the average transmission ratio is accurate, the transmission efficiency is high, the transmission power is high, the overload capacity is strong, and the chain transmission can work in severe environments such as high temperature, humidity, dustiness and pollution. But the chain can become flexible in the use, makes the chain drop easily, and this just needs the time-out to adjust the rate of tension of chain to the chain becomes flexible can increase the wearing and tearing of chain and sprocket, influences life.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a chain overspeed device tensioner for chain drive mechanism, it can make the chain keep the tensioning constantly, avoids shutting down and adjusts chain rate of tension, saves time.
In order to solve the technical problem, the technical scheme of the utility model is that: a chain tensioning device for a chain transmission mechanism comprises a force application device arranged on an external fixing piece and a tensioning wheel rotationally connected to the force application device, wherein the force application device is used for driving the tensioning wheel to abut against a chain of the chain transmission mechanism so as to tension the chain.
The force application device comprises an adjusting plate, a fixing block, a threaded rod and an elastic piece, wherein one end of the adjusting plate is hinged to the external fixing piece, the tensioning wheel is hinged to the other end of the adjusting plate, the fixing block is fixedly connected to the external fixing piece, and the fixing block is provided with a screw groove; one end of the threaded rod is hinged to the adjusting plate, and the other end of the threaded rod penetrates through the screw groove; the elastic piece is sleeved on the threaded rod in a compressed state and is positioned between the end part of the threaded rod hinged with the adjusting plate and the fixing block, so that the adjusting plate can rotate for a certain angle around the rack under the action of the elastic piece, and the tensioning wheel is abutted against the chain to tension the chain.
Furthermore, one end part of the threaded rod is hinged to the middle part of the adjusting plate, and the elastic part is a spring.
Further in order to enable the tensioning wheel to be abutted to the chain conveniently, the other end of the threaded rod is provided with a mounting nut, the mounting nut is screwed to enable the mounting nut to be abutted to the fixing block and enable the spring to be compressed, and therefore the tensioning wheel is separated from the chain and enabled to be abutted to the chain.
Further provides a concrete scheme of the external fixing piece, the chain transmission mechanism comprises a rack, and the external fixing piece is the rack of the chain transmission mechanism.
The other specific scheme of the external fixing piece is further provided, the external fixing piece is a fixing seat arranged on the rack, and a waist-shaped hole is formed in the fixing seat so as to adjust the position of the fixing seat on the rack.
After the technical scheme is adopted, the mounting nut is screwed to compress the spring, then the mounting nut is unscrewed, the tensioning wheel moves along with the rotation of the adjusting plate under the action of the elastic force of the spring, the tensioning wheel is aligned with the chain at the moment, the tensioning wheel props against the chain and tensions the chain, at the moment, even if the chain is loosened again due to abrasion, the spring can drive the tensioning wheel to always prop against the chain and tension the chain, and the tensioning degree of the chain does not need to be adjusted by stopping.
Drawings
Fig. 1 is a schematic structural view of a chain tensioner for a chain transmission mechanism of the present invention;
fig. 2 is a schematic structural view of the chain tensioning device for the chain transmission mechanism of the present invention supporting and tensioning the chain.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
Fig. 1 is a schematic structural view of a chain tensioner for a chain transmission mechanism of the present invention;
FIG. 2 is a schematic structural view of the chain transmission mechanism of the present invention, in which the chain tensioning device supports and tensions the chain;
as shown in fig. 1 and 2, a chain tensioner for a chain transmission mechanism comprises a force applying device arranged on an external fixing piece and a tension pulley 1 rotatably connected to the force applying device, wherein the force applying device is used for driving the tension pulley 1 to push against a chain of the chain transmission mechanism so as to tension the chain.
As shown in fig. 1 and 2, the force applying device may be, but not limited to, a structure including an adjusting plate 2, a fixing block 3, a threaded rod 4 and an elastic member 5, wherein one end of the adjusting plate 2 is hinged to the external fixing member, the tension wheel 1 is hinged to the other end of the adjusting plate 2, the fixing block 3 is fixedly connected to the external fixing member, and the fixing block 3 is provided with a threaded rod groove 6; one end of the threaded rod 4 is hinged on the adjusting plate 2, and the other end of the threaded rod 4 passes through the screw groove 6; the elastic piece 5 is sleeved on the threaded rod 4 in a compressed state and is positioned between the end part of the threaded rod 4 hinged with the adjusting plate 2 and the fixing block 3, so that the adjusting plate 2 rotates around the rack for a certain angle under the action of the elastic piece 5, and the tensioning wheel 1 is abutted to the chain to tension the chain.
As shown in fig. 1 and 2, one end of the threaded rod 4 may be hinged to the middle of the adjusting plate 2, and the elastic member 5 may be a spring.
As shown in fig. 1 and 2, the other end of the threaded rod 4 is provided with a mounting nut 7, and the mounting nut 7 is screwed so that the mounting nut 7 abuts against the fixed block 3 and compresses the spring, so as to separate the tensioning pulley 1 from the chain and to press the tensioning pulley 1 against the chain. Specifically, because the spring makes take-up pulley 1 push up on the chain all the time, inconvenient dismantlement makes the spring compression through revolving mounting nut 7 soon, has both made things convenient for the dismantlement, also makes things convenient for take-up pulley 1 to push up on the chain to when take-up pulley 1 withstands the chain, mounting nut 7 and fixed block 3 contactless.
As shown in fig. 1 and 2, the chain transmission mechanism includes a frame, the external fixing member may be the frame of the chain transmission mechanism, or may be a fixing seat 8 disposed on the frame, in this embodiment, the external fixing member is the fixing seat 8 disposed on the frame, and a waist-shaped hole is disposed on the fixing seat 8 so as to adjust a position of the fixing seat 8 on the frame.
As shown in fig. 2, the chain transmission mechanism includes a frame, a driving sprocket 9 and a driven sprocket 10, the driving sprocket 9 and the driven sprocket 10 are both rotatably connected to the frame, and the chain is cooperatively connected to the driving sprocket 9 and the driven sprocket 10, so that the driving sprocket 9 drives the driven sprocket 10 to rotate; the tension pulley 1 abuts against the chain to the inner side of the chain connected to the driving sprocket 9 and the driven sprocket 10, so that the length of the matching connection between the chain and the driving sprocket 9 and between the chain and the driven sprocket 10 is increased, and the chain is prevented from slipping.
The working principle of the utility model is as follows:
after the technical scheme is adopted, the mounting nut 7 is screwed to compress the spring, then the mounting nut 7 is unscrewed, the tensioning wheel 1 moves along with the rotation of the adjusting plate 2 under the action of the elastic force of the spring, the tensioning wheel 1 is aligned with the chain at the moment, the tensioning wheel 1 props against the chain and tensions the chain, at the moment, even if the chain is loosened again due to abrasion, the spring can drive the tensioning wheel 1 to always prop against the chain and tension the chain, and the chain tension does not need to be stopped to adjust.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (6)
1. The utility model provides a chain overspeed device tensioner for chain drive mechanism which characterized in that: the tension device comprises a force application device arranged on an external fixing piece and a tension pulley (1) rotationally connected to the force application device, wherein the force application device is used for driving the tension pulley (1) to prop against a chain of a chain transmission mechanism so as to tension the chain.
2. The chain tensioner for a chain drive mechanism as set forth in claim 1, wherein: the force application device comprises an adjusting plate (2), a fixing block (3), a threaded rod (4) and an elastic piece (5), one end of the adjusting plate (2) is hinged to the external fixing piece, the tensioning wheel (1) is hinged to the other end of the adjusting plate (2), the fixing block (3) is fixedly connected to the external fixing piece, and a screw rod groove (6) is formed in the fixing block (3); one end of the threaded rod (4) is hinged on the adjusting plate (2), and the other end of the threaded rod (4) penetrates through the screw groove (6); the elastic piece (5) is sleeved on the threaded rod (4) in a compressed state and is positioned between the end part, hinged to the adjusting plate (2), of the threaded rod (4) and the fixing block (3), so that the adjusting plate (2) rotates for a certain angle around the rack under the action of the elastic piece (5), and the tensioning wheel (1) is abutted to the chain to tension the chain.
3. The chain tensioner for a chain drive mechanism as set forth in claim 2, wherein: one end part of the threaded rod (4) is hinged to the middle part of the adjusting plate (2), and the elastic piece (5) is a spring.
4. The chain tensioner for a chain drive mechanism as set forth in claim 3, wherein: and the other end of the threaded rod (4) is provided with a mounting nut (7), and the mounting nut (7) is screwed to enable the mounting nut (7) to be abutted against the fixed block (3) and compress the spring so as to separate the tensioning wheel (1) from the chain and enable the tensioning wheel (1) to be abutted against the chain.
5. The chain tensioner for a chain drive mechanism as set forth in claim 1, wherein: the chain transmission mechanism comprises a rack, and the external fixing piece is the rack of the chain transmission mechanism.
6. The chain tensioner for a chain drive mechanism as set forth in claim 1, wherein: chain drive includes the frame, the external fixing spare is for setting up fixing base (8) in the frame, be provided with waist shape hole on fixing base (8) to the regulation fixing base (8) position in the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920449018.8U CN210087922U (en) | 2019-04-03 | 2019-04-03 | Chain tensioning device for chain transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920449018.8U CN210087922U (en) | 2019-04-03 | 2019-04-03 | Chain tensioning device for chain transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210087922U true CN210087922U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920449018.8U Active CN210087922U (en) | 2019-04-03 | 2019-04-03 | Chain tensioning device for chain transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210087922U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727211A (en) * | 2020-12-29 | 2021-04-30 | 安徽中安创建科技产业有限公司 | Anti-loosening chain device of parking equipment |
-
2019
- 2019-04-03 CN CN201920449018.8U patent/CN210087922U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727211A (en) * | 2020-12-29 | 2021-04-30 | 安徽中安创建科技产业有限公司 | Anti-loosening chain device of parking equipment |
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Address after: 213000 Yuqiao village, Luoyang Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: Changzhou Fangyao Automation Technology Co.,Ltd. Address before: 213000 No.10, shijiaqiao, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: Changzhou Fangyao Automation Technology Co.,Ltd. |