CN210290620U - Engine belt tensioning pulley capable of avoiding repeated abrasion - Google Patents
Engine belt tensioning pulley capable of avoiding repeated abrasion Download PDFInfo
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- CN210290620U CN210290620U CN201920782136.0U CN201920782136U CN210290620U CN 210290620 U CN210290620 U CN 210290620U CN 201920782136 U CN201920782136 U CN 201920782136U CN 210290620 U CN210290620 U CN 210290620U
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- pulley
- take
- core bar
- connecting plate
- gear
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Abstract
The utility model provides an avoid engine belt take-up pulley of repeated wearing and tearing relates to take-up pulley technical field. This avoid engine belt take-up pulley of repeated wearing and tearing, including the framework, the center fixed mounting of framework has the fixed axle, the right side of fixed axle rotates through the nut and is connected with the connecting plate, the periphery of fixed axle is provided with the torsional spring, the left side fixedly connected with adjusting device of framework, the bottom of connecting plate rotates and is connected with the core bar, the periphery of core bar rotates and is connected with the take-up pulley, the ball has been placed between core bar and the take-up pulley. This avoid engine belt take-up pulley of repeated wearing and tearing can adjust the torsion of torsional spring conveniently, has avoided appearing the phenomenon of belt shake because of torsion is not enough, has avoided the peripheral atress department repeated high degree wearing and tearing of core bar for the core bar is more even with wearing and tearing, has avoided the irregular deformation of core bar, has improved the rotation effect and the life of take-up pulley.
Description
Technical Field
The utility model relates to a take-up pulley technical field specifically is an avoid engine belt take-up pulley of repeated wearing and tearing.
Background
The belt tensioning wheel is an important part in a belt transmission system, the belt can be loosened after long-term use, the tensioning wheel is responsible for giving stable tensioning force to the belt, no matter a new belt or an old belt, if the tensioning wheel is not arranged, the loosened belt can slip and lose transmission effect, the tensioning wheel mainly comprises a fixed shell, a tensioning arm, a wheel body, a torsion spring, a rolling bearing, a spring shaft sleeve and the like, the tensioning force can be automatically adjusted according to different tightness degrees of the belt, and the transmission system is stable, safe and reliable.
And belt take-up pulley is at the in-process of work, torsional spring in the frame is in the stress state always, make the torsional spring can slowly take place deformation, take place the deformation back when the torsional spring, the produced torsion of the torsional spring of original fixed position will reduce, make the take-up pulley reduce to the pressure of belt, when belt rotational speed is slower, the phenomenon of shake appears just easily in the belt, the stable effect of take-up pulley to transmission system has been reduced, and take-up pulley and belt extruded in-process, one side that the core bar is close to the belt in the take-up pulley keeps higher pressure with the take-up pulley always, make the contact surface degree of wear who is close to belt one side take-up pulley and core bar great, under long-time accumulation, the irregularity of shape appears easily to the core.
SUMMERY OF THE UTILITY MODEL
The utility model provides an invention aim at provides an engine belt take-up pulley of avoiding repeated wear, this engine belt take-up pulley of avoiding repeated wear, the benefit can be adjusted the torsion of torsional spring conveniently, has avoided the phenomenon that the belt trembles because of torsion is not enough to appear, has avoided the peripheral atress department repeated high degree wearing and tearing of core bar for the core bar is more even with wearing and tearing, has avoided the irregular deformation of core bar, has improved the rotation effect and the life of take-up pulley.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an avoid engine belt take-up pulley of repeated wearing and tearing, includes framework, fixed axle, nut, connecting plate, torsional spring, adjusting device, core bar, take-up pulley, ball, dead lever, abrasionproof decreases the device.
Wherein, adjusting device is including drum, thread bush, threaded rod, limiting plate, circular arc groove.
The anti-abrasion device comprises a shell, a circular tube, saw teeth, a first gear and a second gear.
Wherein:
the anti-abrasion device comprises a frame body, and is characterized in that a fixed shaft is fixedly mounted at the center of the frame body, a connecting plate is rotatably connected to the right side of the fixed shaft through a nut, a torsion spring is arranged on the periphery of the fixed shaft, an adjusting device is fixedly connected to the left side of the frame body, a core rod is rotatably connected to the bottom of the connecting plate, a tension wheel is rotatably connected to the periphery of the core rod, a ball is placed between the core rod and the tension wheel, and an anti-abrasion.
Preferably, the left side at connecting plate top is located the framework, just torsional spring right-hand member and connecting plate fixed connection, the left end and the adjusting device fixed connection of torsional spring for when framework fixed mounting back, can produce certain torsion when rotating the connecting plate.
Preferably, drum fixed mounting is on the left end face of framework, the right side fixed mounting of drum has the thread bush, the thread bush internal rotation is connected with the threaded rod, the left end of threaded rod rotates and is connected with the limiting plate, the circular arc groove has been seted up to the junction of framework and drum, the left end of torsional spring is bent the back and is passed the circular arc groove after the limiting connection in the limiting plate for when rotating the threaded rod, can make the left end that the limiting plate drove the torsional spring remove in the circular arc inslot.
Preferably, the shell is fixedly connected with the connecting plate through a fixing rod at the top end, a round pipe is fixedly mounted at the left end of the tensioning wheel, saw teeth are formed in the round pipe, a first gear is fixedly connected to the lower portion of the peripheral saw teeth of the core rod, a second gear is meshed between the saw teeth and the first gear, the number of the saw teeth is two, the two saw teeth are matched with the second gear, and when the saw teeth in the round pipe pass through the second gear, the second gear can be driven to rotate, so that the first gear is driven to rotate to a certain degree.
Preferably, the friction between the tensioning wheel and the core bar is smaller than the friction between the core bar and the connecting plate and the shell, so that the tensioning wheel can rotate around the core bar.
The utility model provides an avoid repeated wearing and tearing's engine belt take-up pulley. The method has the following beneficial effects:
1. this avoid engine belt take-up pulley of repeated wearing and tearing, through adjusting device's design, can adjust the position of torsional spring left end conveniently to change the torsion of torsional spring, and then change the pressure between take-up pulley and the belt, make the user can adjust the take-up pulley according to the degree of laxity of belt, improved the practicality of take-up pulley, and when the torsional spring takes place deformation torsion not enough, can increase the torsion of torsional spring, avoided appearing the phenomenon of belt shake because of torsion is not enough.
2. This avoid engine belt take-up pulley of repeated wearing and tearing, through the design of abrasionproof decreases the device, at take-up pulley pivoted in-process, when the take-up pulley rotates the round, also can drive the core bar and take place the rotation of certain degree to change the contact surface that core bar and take-up pulley are close to belt one side, avoided the peripheral atress department repeated high degree wearing and tearing of core bar, make the core bar ground of wearing and tearing more even, avoided the irregular deformation of core bar, improved the rotation effect and the life of take-up pulley.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;
FIG. 3 is a cross-sectional view of the structure of FIG. 2 taken along line A-A in accordance with the present invention;
fig. 4 is a schematic structural diagram of the adjusting device of the present invention.
In the figure: the device comprises a frame body 1, a fixed shaft 2, a nut 3, a connecting plate 4, a torsion spring 5, an adjusting device 6, a cylinder 61, a threaded sleeve 62, a threaded rod 63, a limit plate 64, a circular arc groove 65, a core rod 7, a tension wheel 8, a ball 9, a fixed rod 10, an anti-abrasion device 11, a shell 111, a circular tube 112, a sawtooth 113, a first gear 114 and a second gear 115.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the engine belt tensioner for avoiding repeated abrasion comprises the following steps:
referring to fig. 1-4, an engine belt tensioner for preventing repeated wear includes a frame 1, a fixed shaft 2, a nut 3, a connecting plate 4, a torsion spring 5, an adjusting device 6, a core bar 7, a tensioner 8, a ball 9, a fixed rod 10, and an anti-wear device 11.
The adjusting device 6 comprises a cylinder 61, a threaded sleeve 62, a threaded rod 63, a limiting plate 64 and an arc groove 65.
The wear prevention device 11 includes a housing 111, a circular tube 112, a saw tooth 113, a first gear 114, and a second gear 115.
Wherein:
the center of the frame body 1 is fixedly provided with a fixed shaft 2, the right side of the fixed shaft 2 is rotatably connected with a connecting plate 4 through a nut 3, the periphery of the fixed shaft 2 is provided with a torsion spring 5, the left side of the frame body 1 is fixedly connected with an adjusting device 6, the left side of the top of the connecting plate 4 is positioned on the frame body 1, the right end of the torsion spring 5 is fixedly connected with the connecting plate 4, the left end of the torsion spring 5 is fixedly connected with the adjusting device 6, so that after the frame body 1 is fixedly arranged, a certain torsion force can be generated when the connecting plate 4 is rotated, the cylinder 61 is fixedly arranged on the left end surface of the frame body 1, the right side of the cylinder 61 is fixedly provided with a thread sleeve 62, a threaded rod 63 is rotatably connected with the thread sleeve 62, the left end of the threaded rod 63 is rotatably connected with a limit plate 64, the joint of the frame, can make limiting plate 64 drive the left end of torsional spring 5 and remove in circular arc groove 65, design through adjusting device 6, can adjust the position of the 5 left end of torsional spring conveniently, thereby change torsional spring 5's torsion, and then change the pressure between take-up pulley 8 and the belt, make the user can adjust take-up pulley 8 according to the degree of laxity of belt, take-up pulley 8's practicality has been improved, and when torsional spring 5 takes place deformation torsion not enough, can increase torsional spring 5's torsion, the phenomenon of belt shake has been avoided appearing because of torsion is not enough.
The bottom of the connecting plate 4 is rotatably connected with a core rod 7, the periphery of the core rod 7 is rotatably connected with a tension pulley 8, the friction force between the tension pulley 8 and the core rod 7 is smaller than the friction force between the core rod 7 and the connecting plate 4 and the shell 111, so that the tension pulley 8 can rotate around the core rod 7, a ball 9 is placed between the core rod 7 and the tension pulley 8, the left side of the tension pulley 8 is fixedly connected with an anti-abrasion device 11 through a fixing rod 10, the shell 111 is fixedly connected with the connecting plate 4 through the fixing rod 10 at the top end, the left end of the tension pulley 8 is fixedly provided with a circular tube 112, saw teeth 113 are formed in the circular tube 112, a first gear 114 is fixedly connected below the peripheral saw teeth 113 of the core rod 7, a second gear 115 is meshed between the saw teeth 113 and the first gear 114, the number of the saw teeth 113 is two, and is, can drive second gear 115 and take place to rotate, thereby it takes place the rotation of certain degree to drive first gear 114, design through wear prevention device 11, at take-up pulley 8 pivoted in-process, when take-up pulley 8 rotates the round, also can drive core bar 7 and take place the rotation of certain degree, thereby the contact surface that core bar 7 and take-up pulley 8 are close to belt one side has been changed, the repeated high degree wearing and tearing of the peripheral atress department of core bar 7 have been avoided, make core bar 7 more even with wearing and tearing, the irregular deformation of core bar 7 has been avoided, the rotation effect and the life of take-up pulley 8 have been improved.
When the device is used, the belt tensioning wheel is fixedly arranged at a designated position, the tensioning wheel 8 is attached to a belt, then the threaded rod 63 is rotated through a wrench, the threaded rod 63 drives the limit plate 64 to move leftwards and rightwards in the cylinder 61, so that the left end of the torsion spring 5 is driven to move in the arc groove 65, the initial position of the torsion spring 5 is changed, the adjustment of the torsion force of the torsion spring 5 is realized, after the adjustment is completed, the belt rotates to drive the tensioning wheel 8 to rotate, but the friction force between the tensioning wheel 8 and the core rod 7 is smaller than the friction force between the core rod 7 and the connecting plate 4 and the shell 111, the tensioning wheel 8 rotates around the core rod 7, the left circular tube 112 is driven to synchronously rotate in the rotating process of the tensioning wheel 8, when the saw teeth 113 rotate to the second gear 115 in the circular tube 112, the second gear 115 is driven to rotate, so as to drive the, make first gear 114 drive core bar 7 take place the certain degree and rotate, the contact surface that core bar 7 and take-up pulley 8 are close to belt one side has been changed, the repeated high degree wearing and tearing of the peripheral atress department of core bar 7 have been avoided, make core bar 7 more even with wearing and tearing, the irregular deformation of core bar 7 has been avoided, the life of take-up pulley 8 has been improved, and use when belt take-up pulley 8 and exceed certain time, when inside torsional spring 5 takes place deformation torsion not enough, change the initial position of torsional spring 5 left end through adjusting device 6, thereby strengthen torsional spring 5's torsion, make take-up pulley 8 can resume the use, the phenomenon of belt shake has been avoided appearing because of torsion is not enough.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an avoid engine belt take-up pulley of repeated wearing and tearing, includes framework (1), its characterized in that: the center fixed mounting of framework (1) has fixed axle (2), the right side of fixed axle (2) is rotated through nut (3) and is connected with connecting plate (4), the periphery of fixed axle (2) is provided with torsional spring (5), the left side fixedly connected with adjusting device (6) of framework (1), the bottom of connecting plate (4) is rotated and is connected with core bar (7), the periphery of core bar (7) is rotated and is connected with take-up pulley (8), place ball (9) between core bar (7) and take-up pulley (8), dead lever (10) fixedly connected with abrasionproof device (11) is passed through in the left side of take-up pulley (8).
2. An engine belt tensioner as claimed in claim 1, wherein: the left side at the top of the connecting plate (4) is located on the frame body (1), the right end of the torsion spring (5) is fixedly connected with the connecting plate (4), and the left end of the torsion spring (5) is fixedly connected with the adjusting device (6).
3. An engine belt tensioner as claimed in claim 1, wherein: adjusting device (6) is including drum (61), thread bush (62), threaded rod (63), limiting plate (64), circular arc groove (65), drum (61) fixed mounting is on the left end face of framework (1), the right side fixed mounting of drum (61) has thread bush (62), thread bush (62) internal rotation is connected with threaded rod (63), the left end of threaded rod (63) is rotated and is connected with limiting plate (64), circular arc groove (65) have been seted up with the junction of drum (61) in framework (1), the left end of torsional spring (5) is passed circular arc groove (65) after bending limiting connection in limiting plate (64).
4. An engine belt tensioner as claimed in claim 1, wherein: the anti-abrasion device (11) comprises a shell (111), a round pipe (112), saw teeth (113), a first gear (114) and a second gear (115), the shell (111) is fixedly connected with a connecting plate (4) through a fixing rod (10) at the top end, the round pipe (112) is fixedly mounted at the left end of a tension wheel (8), the saw teeth (113) are formed in the round pipe (112), the first gear (114) is fixedly connected to the lower portion of the peripheral saw teeth (113) of the core rod (7), and the second gear (115) is meshed between the saw teeth (113) and the first gear (114).
5. An engine belt tensioner as claimed in claim 4, wherein: the friction force between the tensioning wheel (8) and the core rod (7) is smaller than the friction force between the core rod (7) and the connecting plate (4) and the shell (111), and the number of the saw teeth (113) is two and is matched with the second gear (115).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920782136.0U CN210290620U (en) | 2019-05-28 | 2019-05-28 | Engine belt tensioning pulley capable of avoiding repeated abrasion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920782136.0U CN210290620U (en) | 2019-05-28 | 2019-05-28 | Engine belt tensioning pulley capable of avoiding repeated abrasion |
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| Publication Number | Publication Date |
|---|---|
| CN210290620U true CN210290620U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920782136.0U Expired - Fee Related CN210290620U (en) | 2019-05-28 | 2019-05-28 | Engine belt tensioning pulley capable of avoiding repeated abrasion |
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| CN (1) | CN210290620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113181024A (en) * | 2021-04-28 | 2021-07-30 | 绍兴上虞大康体育健身设施制造有限公司 | Waist and back massage instrument |
-
2019
- 2019-05-28 CN CN201920782136.0U patent/CN210290620U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113181024A (en) * | 2021-04-28 | 2021-07-30 | 绍兴上虞大康体育健身设施制造有限公司 | Waist and back massage instrument |
| CN113181024B (en) * | 2021-04-28 | 2022-11-25 | 绍兴上虞大康体育健身设施制造有限公司 | Waist and back massage instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200617 Address after: No.5, North songhuan village, Xiaodian sub district office, Xiaodian District, Taiyuan City, Shanxi Province Patentee after: Shanxi tengyida industry and Trade Co., Ltd Address before: 323600 Shaxi Village, Bailongshan Street, Yunhe County, Lishui City, Zhejiang Province Patentee before: YUNHE COUNTY TIMO TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 Termination date: 20210528 |
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| CF01 | Termination of patent right due to non-payment of annual fee |