CN221525490U - Belt pulley with adjustable belt tightness - Google Patents
Belt pulley with adjustable belt tightness Download PDFInfo
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- CN221525490U CN221525490U CN202420339595.2U CN202420339595U CN221525490U CN 221525490 U CN221525490 U CN 221525490U CN 202420339595 U CN202420339595 U CN 202420339595U CN 221525490 U CN221525490 U CN 221525490U
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- belt pulley
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- 230000005540 biological transmission Effects 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000009347 mechanical transmission Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 7
- 238000005266 casting Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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Abstract
The utility model provides a belt pulley with adjustable belt tightness, which aims at the problems that when the existing belt and belt pulley are used, the belt is easy to deform under the long-term transmission action, so that the transmission between the belt pulley and the belt is loose, the mechanical transmission efficiency is affected and the use safety is affected, the two locating shafts are fixedly sleeved with a rotating plate and a driving wheel respectively, a plurality of supporting rods are connected to the rotating plate in a sliding mode, arc-shaped driving blocks are fixedly installed on the supporting rods, the same belt is connected to the arc-shaped driving blocks in a driving mode, the belt is connected with the driving wheel in a driving mode, and an adjusting mechanism is arranged on one locating shaft of the two locating shafts. The belt pulley transmission mechanism is simple in operation and convenient to use, and can be used for conveniently adjusting the transmission diameter of the belt pulley, so that the tightness of the belt can be adjusted, and the belt pulley transmission mechanism is convenient for people to use.
Description
Technical Field
The utility model relates to the technical field of belt pulleys, in particular to a belt pulley with adjustable belt tightness.
Background
The belt pulley belongs to the hub parts, and is generally relatively large in size, and the manufacturing process is mainly cast and forged. The large-size design is cast, the materials are cast iron (good casting performance), and cast steel is rarely used (poor casting performance); typically smaller in size, can be designed to be forged and is made of steel. Pulleys are mainly used in the field of power transmission over long distances, such as power output of small diesel engines, agricultural vehicles, tractors, automobiles, mining machines, machining equipment, textile machines, packaging machines, lathes, forging machines, transmission of power of some small horsepower motorcycles, transmission of power of agricultural machines, air compressors, reducers, speed reducers, generators, gins, and the like. Pulleys are typically used with belts.
However, when the existing belt and belt pulley are used, the belt is easy to deform under the long-term transmission effect, so that the transmission between the belt pulley and the belt is loose, the mechanical transmission efficiency is affected, and the use is safe, and therefore, the belt pulley with adjustable belt tightness is provided.
Disclosure of utility model
The belt pulley with adjustable belt tightness is provided for solving the defects that when the existing belt and a belt pulley are used, the belt is easy to deform under the long-term transmission action, so that the transmission between the belt pulley and the belt is loose, the mechanical transmission efficiency is affected, and the use safety is improved.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a belt elasticity adjustable belt pulley, includes two locating shafts, two fixed cover is equipped with change board and drive wheel on the locating shaft respectively, sliding connection has a plurality of bracing pieces on the change board, fixed mounting has arc transmission piece on the bracing piece, and the transmission is connected with same belt on a plurality of arc transmission pieces, the belt is connected with the drive wheel transmission, two be equipped with adjustment mechanism on one locating shaft in the locating shaft, adjustment mechanism is connected with a plurality of bracing pieces transmission.
Preferably, the adjusting mechanism comprises a moving sleeve, the moving sleeve is sleeved on one of the two positioning shafts in a sliding manner, a plurality of hinge rods are connected to the moving sleeve in a rotating manner, a connecting block is fixedly arranged on one side of the supporting rod, and the connecting block is connected with the corresponding hinge rod in a rotating manner.
Preferably, the rotating plate is provided with a plurality of annular sliding grooves, the supporting rods are in sliding connection with the inner walls of the corresponding sliding grooves, one sides of the sliding grooves are provided with sliding holes, and the sliding holes are in sliding connection with the corresponding connecting blocks.
Preferably, a push plate is connected to one of the two positioning shafts in a threaded manner, and the push plate is connected with the movable sleeve in a rotary manner.
Preferably, a plurality of clamping grooves are formed in one of the two positioning shafts, positioning bolts are connected to the push plate in a threaded mode, and the positioning bolts are matched with the clamping grooves.
Preferably, a plurality of teeth are arranged on the arc-shaped transmission block, the teeth are matched with the belt, the two sides of the arc-shaped transmission block are provided with stop blocks, and the stop blocks are matched with the belt.
Compared with the prior art, the utility model has the advantages that:
(1) According to the scheme, as the hinge rod is rotationally connected with the movable sleeve and the connecting block, the movable sleeve can drive the plurality of support rods to move, so that the position of the arc-shaped transmission block is adjusted, and the tightness of the belt can be stretched;
(2) Because the push pedal is connected with the threaded connection of locating shaft, and remove the cover and be connected with the rotation of push pedal, the mutually supporting of locating bolt and draw-in groove simultaneously for pivoted push pedal can drive and remove the cover and carry out the position and remove the change, can also carry out the clamping to the push pedal through locating bolt simultaneously, and the relative rotation appears in the push pedal when placing the locating shaft rotation.
The belt pulley transmission mechanism is simple in operation and convenient to use, and can be used for conveniently adjusting the transmission diameter of the belt pulley, so that the tightness of the belt can be adjusted, and the belt pulley transmission mechanism is convenient for people to use.
Drawings
FIG. 1 is a schematic diagram of a belt pulley with adjustable belt tightness according to the present utility model;
FIG. 2 is a schematic diagram of a side view cross-section structure of a rotating plate and a supporting rod of a belt pulley with adjustable belt tightness;
Fig. 3 is a schematic top view of an arc-shaped transmission block of a belt pulley with adjustable belt tightness.
In the figure: 1. positioning a shaft; 2. a driving wheel; 3. a rotating plate; 4. a support rod; 5. an arc-shaped transmission block; 6. a belt; 7. a sliding groove; 8. a stop block; 9. a sliding hole; 10. a connecting block; 11. a moving sleeve; 12. a hinge rod; 13. a push plate; 14. positioning bolts; 15. a clamping groove; 16. teeth.
Detailed Description
The technical solutions of the present embodiment will be clearly and completely described below with reference to the drawings in the present embodiment, and it is apparent that the described embodiments are only some embodiments of the present embodiment, not all embodiments.
Examples
Referring to fig. 1-3, a belt pulley with adjustable belt tightness comprises two positioning shafts 1, a rotating plate 3 and a driving wheel 2 are fixedly sleeved on the two positioning shafts 1 respectively, a plurality of supporting rods 4 are connected to the rotating plate 3 in a sliding manner, arc-shaped driving blocks 5 are fixedly installed on the supporting rods 4, the same belt 6 is connected to the arc-shaped driving blocks 5 in a driving manner, the plurality of arc-shaped driving blocks 5 form another driving wheel 2, the diameter distance between the plurality of arc-shaped driving blocks 5 can be adjusted under the adjustment of the supporting rods 4, the tightness of the belt 6 during conveying can be adjusted, the belt 6 is in driving connection with the driving wheel 2, and an adjusting mechanism is arranged on one positioning shaft 1 of the two positioning shafts 1 and is in driving connection with the plurality of supporting rods 4.
In this embodiment, adjustment mechanism includes moving sleeve 11, moving sleeve 11 slip cap dress is on one locating shaft 1 in two locating shafts 1, it is connected with a plurality of articulated bars 12 to rotate on the moving sleeve 11, one side fixed mounting of bracing piece 4 has connecting block 10, connecting block 10 rotates with the articulated bar 12 that corresponds to be connected, wherein a plurality of sliding tray 7 have been seted up to the annular on the revolving plate 3, bracing piece 4 and the sliding tray 7 inner wall sliding connection that corresponds, and sliding hole 9 has been seted up to one side of sliding tray 7, sliding hole 9 and the connecting block 10 sliding connection that corresponds, the moving sleeve 11 of removal carries out the angle change through the rotation connection with articulated bar 12 drive articulated bar 12, articulated bar 12 can drive bracing piece 4 through connecting block 10 and carry out the position movement, and then drive arc transmission piece 5 and carry out the position change.
In this embodiment, a push plate 13 is screwed on one positioning shaft 1 of the two positioning shafts 1, the push plate 13 is rotationally connected with the moving sleeve 11, a plurality of clamping grooves 15 are formed in one positioning shaft 1 of the two positioning shafts 1, a positioning bolt 14 is screwed on the push plate 13, the positioning bolt 14 is mutually matched with the clamping grooves 15, the rotating push plate 13 can move through the threaded connection with the positioning shaft 1, the moving sleeve 11 is driven to move, and the positioning bolt 14 can position the longitudinal position of the push plate 13 through the mutual matching with the clamping grooves 15, so that the push plate 13 and the positioning shaft 1 are prevented from overturning when the positioning shaft 1 rotates.
In this embodiment, install a plurality of teeth 16 on the arc transmission piece 5, tooth 16 mutually supports with belt 6, and dog 8 is all installed to the both sides of arc transmission piece 5, and dog 8 mutually supports with belt 6, and the setting of a plurality of teeth 16 on the arc transmission piece 5 can increase the frictional force between arc transmission piece 5 and the belt 6 to the transmission of drive wheel 2 and belt 6 of being convenient for.
Working principle: during operation, two positioning shafts 1 are transmitted through the transmission wheel 2, the plurality of arc transmission blocks 5 and the belt 6, when the tightness of the belt 6 is required to be adjusted, the push plate 13 is rotated, the rotated push plate 13 is connected with threads of the positioning shafts 1 so as to form movement, the moving sleeve 11 is driven to move, the moving sleeve 11 is connected with the hinging rod 12 in a rotating way to drive the hinging rod 12 to perform angle change, the hinging rod 12 can drive the support rod 4 to perform position movement through the connecting block 10 so as to drive the arc transmission blocks 5 to perform position change, meanwhile, the plurality of arc transmission blocks 5 form the other transmission wheel 2, and under the adjustment of the support rod 4, the diameter distance between the plurality of arc transmission blocks 5 can be adjusted, the tightness of the belt 6 during transmission can be adjusted, and the friction force between the arc transmission blocks 5 and the belt 6 can be increased due to the arrangement of the plurality of teeth 16 on the arc transmission blocks 5, so that the transmission wheel 2 and the belt 6 are convenient to drive;
In addition, the positioning bolt 14 is matched with the clamping groove 15, so that the longitudinal position of the push plate 13 can be positioned, and the push plate 13 and the positioning shaft 1 are prevented from overturning when the positioning shaft 1 rotates.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art will be able to apply equally to the technical solution of the present utility model and the inventive concept thereof, within the scope of the present utility model.
Claims (6)
1. The utility model provides a belt pulley of belt elasticity adjustable, includes two locating shaft (1), its characterized in that, two fixed cover is equipped with on locating shaft (1) respectively and changes board (3) and drive wheel (2), sliding connection has a plurality of bracing pieces (4) on changing board (3), fixed mounting has arc transmission piece (5) on bracing piece (4), and the transmission is connected with same belt (6) on a plurality of arc transmission pieces (5), belt (6) are connected with drive wheel (2) transmission, two be equipped with adjustment mechanism on one locating shaft (1) in locating shaft (1), adjustment mechanism is connected with a plurality of bracing pieces (4) transmission.
2. Belt pulley with adjustable belt tightness according to claim 1, characterized in that the adjusting mechanism comprises a moving sleeve (11), the moving sleeve (11) is sleeved on one positioning shaft (1) of the two positioning shafts (1) in a sliding way, a plurality of hinging rods (12) are connected to the moving sleeve (11) in a rotating way, a connecting block (10) is fixedly arranged on one side of the supporting rod (4), and the connecting block (10) is connected with the corresponding hinging rod (12) in a rotating way.
3. The belt pulley with adjustable belt tightness according to claim 2, characterized in that the rotating plate (3) is provided with a plurality of sliding grooves (7) in a ring shape, the supporting rod (4) is in sliding connection with the inner wall of the corresponding sliding groove (7), one side of the sliding groove (7) is provided with a sliding hole (9), and the sliding hole (9) is in sliding connection with the corresponding connecting block (10).
4. A belt pulley with adjustable belt tightness according to claim 3, characterized in that one (1) of the two positioning shafts (1) is screwed with a push plate (13), the push plate (13) being in rotational connection with the mobile sleeve (11).
5. The belt pulley with adjustable belt tightness according to claim 4, characterized in that a plurality of clamping grooves (15) are formed in one positioning shaft (1) of the two positioning shafts (1), a positioning bolt (14) is connected to the push plate (13) in a threaded manner, and the positioning bolt (14) is matched with the clamping grooves (15).
6. The belt pulley with adjustable belt tightness according to claim 1, wherein the arc-shaped transmission block (5) is provided with a plurality of teeth (16), the teeth (16) are matched with the belt (6), two sides of the arc-shaped transmission block (5) are provided with stop blocks (8), and the stop blocks (8) are matched with the belt (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420339595.2U CN221525490U (en) | 2024-02-23 | 2024-02-23 | Belt pulley with adjustable belt tightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420339595.2U CN221525490U (en) | 2024-02-23 | 2024-02-23 | Belt pulley with adjustable belt tightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221525490U true CN221525490U (en) | 2024-08-13 |
Family
ID=92200852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420339595.2U Active CN221525490U (en) | 2024-02-23 | 2024-02-23 | Belt pulley with adjustable belt tightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221525490U (en) |
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2024
- 2024-02-23 CN CN202420339595.2U patent/CN221525490U/en active Active
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