CN220540223U - Structure of belt with eccentric tension - Google Patents
Structure of belt with eccentric tension Download PDFInfo
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- CN220540223U CN220540223U CN202322304964.2U CN202322304964U CN220540223U CN 220540223 U CN220540223 U CN 220540223U CN 202322304964 U CN202322304964 U CN 202322304964U CN 220540223 U CN220540223 U CN 220540223U
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- belt
- motor
- eccentric disc
- eccentric
- belt pulley
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- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000000630 rising effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a structure of an eccentric tensioning belt, belongs to the technical field of belts, and is used for solving the problem of low manual maintenance efficiency when the existing belt is tensioned or loosened; the belt pulley comprises a bottom plate, wherein a belt pulley cover is arranged on the upper surface of the bottom plate, an eccentric disc is movably mounted in the left side of the upper end of the belt pulley cover, a handle is arranged in the left end of the eccentric disc, a motor is arranged at the right end of the upper surface of the eccentric disc through a motor seat, a rotating shaft is connected with the power output end of the motor through a coupling in a transmission manner, the lower end of the rotating shaft penetrates through the belt pulley cover and extends to the inside of the belt pulley cover, and a ball is rotatably mounted in the left side of the upper end of the belt pulley cover; through setting up the motor on eccentric disc, then rotate eccentric disc for the position of motor changes, drives the position of motor belt pulley and changes then, can adjust the tight or loose state of rising of belt fast then, easy operation is swift, and maintenance efficiency is higher.
Description
Technical Field
The utility model belongs to the technical field of belts, and particularly relates to a structure of an eccentric tensioning belt.
Background
The engine pulley is a component which rotates most frequently when the engine is in normal operation, is susceptible to mechanical failure due to vibration and the like caused by engine vibration, transportation movement and the like, and is also a component which is frequently replaced during routine maintenance.
The belt on the belt pulley of the engine often has the phenomenon of tensioning or loosening in use, the existing maintenance mode is usually to manually adjust the tensioning or loosening of the belt after the engine shell is disassembled, the operation of the mode is complex, the maintenance efficiency is low, and for this reason, a structure using an eccentric tensioning belt is provided.
Disclosure of Invention
The present utility model is directed to a structure using an eccentric tension belt to solve the above-mentioned problems of the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a structure with eccentric tight belt that rises, includes the bottom plate, the upper surface of bottom plate is provided with the pulley cover, the inside movable mounting in left side of pulley cover upper end has eccentric disc, the inside handle that is provided with in left end of eccentric disc, the right-hand member of eccentric disc upper surface is provided with the motor through the motor cabinet, the power take off end of motor is connected with the pivot through the shaft coupling transmission, and the lower extreme of pivot runs through the pulley cover and extends to the inside of pulley cover, the inside ball is installed in the inside rotation of the upper end left side of pulley cover, the movable groove has been seted up to the lateral wall of eccentric disc, the inside at the movable groove is installed in the ball part rotation.
Preferably, the circumference surface of pivot is provided with motor belt pulley, motor belt pulley is connected with the main shaft belt pulley through V belt transmission, the centre of main shaft belt pulley is provided with the integral key shaft, the lower extreme of integral key shaft is provided with the integral key shaft seat, the right-hand member of bottom plate lower surface is through screw fixed mounting has the headstock, the integral key shaft seat passes through screw fixed mounting in the inside of headstock.
Preferably, the inner parts of the front end and the rear end of the eccentric disc are respectively provided with an arc through groove, the inner parts of the arc through grooves are respectively inserted with a fixing bolt, the lower ends of the fixing bolts are respectively connected with the inner threads of the upper end of the pulley cover, and the upper surface of the eccentric disc is in butt joint with the bottom of the upper end of the fixing bolt.
Preferably, the left side of pulley cover upper end has seted up and has rotated groove and circular logical groove, and circular logical groove sets up in the centre of rotating the groove and is linked together with the groove that rotates, the eccentric disk rotates the inside of installing at the groove that rotates, the lower extreme of pivot runs through circular logical groove and extends to the below.
Compared with the prior art, the utility model has the beneficial effects that:
this structure with eccentric tight belt that rises through setting up the motor on eccentric disk, then rotates eccentric disk for the position of motor changes, drives the position of motor belt pulley then and changes, can adjust the tight or loose state of rising of belt fast then, and easy operation is swift, and maintenance efficiency is higher.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a front cut-away perspective view of the present utility model;
fig. 3 is a partial exploded view of the present utility model.
In the figure: 1. a bottom plate; 2. a pulley cover; 3. an eccentric disc; 4. a handle; 5. a motor; 6. a rotating shaft; 7. a motor pulley; 8. a V-belt; 9. a spindle pulley; 10. a spline shaft; 11. a spline shaft seat; 12. a spindle box; 13. a ball; 14. a movable groove; 15. arc through grooves; 16. a fixing bolt; 17. a rotating groove; 18. circular through grooves.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the utility model provides a structure using an eccentric tensioning belt, comprising a bottom plate 1, wherein the upper surface of the bottom plate 1 is provided with a belt wheel cover 2, the left side inside of the upper end of the belt wheel cover 2 is movably provided with an eccentric disc 3, the inside of the front and rear ends of the eccentric disc 3 are provided with arc through grooves 15, the inside of the two arc through grooves 15 are inserted with fixing bolts 16, the lower ends of the two fixing bolts 16 are connected with the inside screw threads of the upper end of the belt wheel cover 2, the upper surface of the eccentric disc 3 is abutted with the bottom of the upper end of the fixing bolts 16, the fixing bolts 16 can fix the eccentric disc 3 on the belt wheel cover 2, the use of the device is prevented from being influenced, the eccentric disc 3 rotates after the fixing effect of the eccentric disc 3 is lost due to the upward rotation of the fixing bolts 16, the fixing bolts 16 rotate inside the arc through grooves 15, the fixed bolt 16 can not influence the rotation of the eccentric disc 3, the handle 4 is arranged in the left end of the eccentric disc 3, the eccentric disc 3 is conveniently rotated by staff through the handle 4, the motor 5 is arranged at the right end of the upper surface of the eccentric disc 3 through the motor seat, the power output end of the motor 5 is connected with the rotating shaft 6 through the coupling transmission, the lower end of the rotating shaft 6 penetrates through the pulley cover 2 and extends to the inside of the pulley cover 2, the rotating groove 17 and the circular through groove 18 are arranged at the left side of the upper end of the pulley cover 2, the circular through groove 18 is arranged in the middle of the rotating groove 17 and is communicated with the rotating groove 17, the eccentric disc 3 is rotatably arranged in the rotating groove 17, the lower end of the rotating shaft 6 penetrates through the circular through groove 18 and extends to the lower side, the arrangement of the rotating groove 17 can provide a movable space for the eccentric disc 3 while limiting the eccentric disc 3, make eccentric disc 3 smooth rotating in the inside of rotating groove 17, circular logical groove 18's setting can drive motor 5 and pivot 6 when rotating at eccentric disc 3, pivot 6 can be at circular logical groove 18 inside removal, avoid taking place the card phenomenon of dying, ball 13 is installed to the inside rotation in upper end left side of pulley cover 2, movable groove 14 has been seted up to the lateral wall of eccentric disc 3, movable groove 14's setting provides the activity space for ball 13, when making eccentric disc 3 rotate, ball 13 smooth rotates in movable groove 14 inside, ball 13 part rotates and installs in movable groove 14's inside, ball 13's setting has reduced the friction between eccentric disc 3 and the pulley cover 2, make eccentric disc 3 rotate more smoothly.
In this embodiment, preferably, the circumference surface of pivot 6 is provided with motor belt pulley 7, motor belt pulley 7 is connected with main shaft belt pulley 9 through V belt 8 transmission, the centre of main shaft belt pulley 9 is provided with spline shaft 10, the lower extreme of spline shaft 10 is provided with spline shaft seat 11, the setting of spline shaft seat 11, can be with the spacing while of spline shaft 10 and main shaft belt pulley 9, do not influence the rotation work of spline shaft 10 and main shaft belt pulley 9, the right-hand member of bottom plate 1 lower surface has headstock 12 through screw fixed mounting, spline shaft seat 11 passes through screw fixed mounting in headstock 12's inside, headstock 12's setting, can protect spline shaft seat 11 when fixing spline shaft seat 11, the barrier propterty of spline shaft seat 11 has been improved.
The working principle and the using flow of the utility model are as follows: when the tightness of the V-belt 8 needs to be adjusted, the fixing bolt 16 is firstly rotated upwards, so that the fixing effect of the fixing bolt 16 on the eccentric disc 3 is lost, then the eccentric disc 3 is rotated through the handle 4, the eccentric disc 3 rotates to drive the motor 5, the rotating shaft 6 and the motor belt pulley 7 to rotate, when the eccentric disc 3 drives the motor 5 to rotate to the front end, the right end or the rear end, the rotating shaft 6 and the motor belt pulley 7 synchronously rotate to the front end, the right end or the rear end, the distance between the motor belt pulley 7 and the main shaft belt pulley 9 can be adjusted, the tightness of the V-belt 8 can be changed, the fixing bolt 16 is downwards rotated after the V-belt 8 is in a normal tensioning state, the eccentric disc 3 is fixed, and tensioning or loosening of the V-belt 8 is completed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a structure with eccentric tensioning belt, includes bottom plate (1), its characterized in that: the utility model discloses a motor drive mechanism for a bicycle, including bottom plate (1), pulley cover (2), eccentric disc (3) are provided with to the upper surface of bottom plate (1), the inside movable mounting in left side of pulley cover (2) upper end has eccentric disc (3), the inside handle (4) that is provided with in left end of eccentric disc (3), the right-hand member of eccentric disc (3) upper surface is provided with motor (5) through the motor cabinet, the power take off end of motor (5) is connected with pivot (6) through the shaft coupling transmission, and the lower extreme of pivot (6) runs through pulley cover (2) and extends to the inside of pulley cover (2), ball (13) are installed in the inside rotation of the upper end left side of pulley cover (2), movable groove (14) have been seted up to the lateral wall of eccentric disc (3), ball (13) part rotate the inside of installing in movable groove (14).
2. A structure for an eccentric tensioning belt as in claim 1 wherein: the motor belt pulley (7) is arranged on the circumferential surface of the rotating shaft (6), the motor belt pulley (7) is connected with the main shaft belt pulley (9) through a V-belt (8) in a transmission mode, a spline shaft (10) is arranged in the middle of the main shaft belt pulley (9), a spline shaft seat (11) is arranged at the lower end of the spline shaft (10), a main shaft box (12) is fixedly arranged at the right end of the lower surface of the bottom plate (1) through a screw, and the spline shaft seat (11) is fixedly arranged in the main shaft box (12) through the screw.
3. A structure for an eccentric tensioning belt as in claim 1 wherein: arc through grooves (15) are formed in the front end and the rear end of the eccentric disc (3), fixing bolts (16) are inserted into the arc through grooves (15), the lower ends of the fixing bolts (16) are connected with the inner threads of the upper end of the pulley cover (2), and the upper surface of the eccentric disc (3) is abutted to the bottom of the upper end of the fixing bolts (16).
4. A structure for an eccentric tensioning belt as in claim 1 wherein: the left side of pulley cover (2) upper end has seted up rotation groove (17) and circular logical groove (18), and circular logical groove (18) set up in the centre of rotation groove (17) and be linked together with rotation groove (17), eccentric disk (3) rotate and install in the inside of rotation groove (17), the lower extreme of pivot (6) runs through circular logical groove (18) and extends to the below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322304964.2U CN220540223U (en) | 2023-08-28 | 2023-08-28 | Structure of belt with eccentric tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322304964.2U CN220540223U (en) | 2023-08-28 | 2023-08-28 | Structure of belt with eccentric tension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220540223U true CN220540223U (en) | 2024-02-27 |
Family
ID=89966727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322304964.2U Active CN220540223U (en) | 2023-08-28 | 2023-08-28 | Structure of belt with eccentric tension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220540223U (en) |
-
2023
- 2023-08-28 CN CN202322304964.2U patent/CN220540223U/en active Active
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