CN212106843U - Belt wheel with adjustable outer diameter - Google Patents
Belt wheel with adjustable outer diameter Download PDFInfo
- Publication number
- CN212106843U CN212106843U CN202020571377.3U CN202020571377U CN212106843U CN 212106843 U CN212106843 U CN 212106843U CN 202020571377 U CN202020571377 U CN 202020571377U CN 212106843 U CN212106843 U CN 212106843U
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- CN
- China
- Prior art keywords
- belt wheel
- gear ring
- band pulley
- wheel body
- ring
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- Expired - Fee Related
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Abstract
The utility model belongs to the technical field of mechanical transmission and specifically relates to a band pulley of adjustable external diameter. The utility model provides a following technical scheme: the utility model provides a band pulley of adjustable external diameter, including the band pulley body, the center of band pulley body is equipped with the shaft hole, be equipped with the ring gear subassembly on the band pulley body, the ring gear subassembly is including can establishing the external ring gear of band pulley body and being used for fixing the go-between on the band pulley body with the ring gear, the ring gear is cyclic annular and its internal diameter can cooperate with the external diameter size of band pulley body, the internal diameter of ring gear is equipped with the connection tooth that a plurality of equidistance set up along circumference, it is equipped with the tooth's socket rather than the adaptation to correspond the connection tooth on the external diameter of band pulley body, be equipped with annular spread groove on the terminal surface of band pulley body and ring. The utility model discloses the size of band pulley external diameter is changed in the cooperation of accessible band pulley body and ring gear to the very trouble problem of band pulley of changing not unidimensional has been solved.
Description
Technical Field
The utility model belongs to the technical field of mechanical transmission and specifically relates to a band pulley of adjustable external diameter.
Background
The belt wheel belongs to a hub part, and the manufacturing process mainly comprises casting and forging. The general size is bigger and adopts the casting method, the material is cast iron generally; the steel is generally small in size, can be forged and is made of steel. The pulley is mainly used in the case of transmitting power from a long distance, such as the output of small diesel engine power, agricultural vehicles, tractors, automobiles, mining machines, machining equipment, textile machines, packaging machines, lathes, forging beds, the transmission of power of some small horsepower motorcycles, the transmission of power of agricultural machines, air compressors, speed reducers, generators, cotton ginning machines, and the like.
Because the band pulley uses metal casting or forges to form, its size is fixed, can not change, consequently need dismantle original band pulley under the condition that needs use not unidimensional band pulley, installs new band pulley again, and the dismantlement of band pulley, installation are very inconvenient for it is very troublesome to change not unidimensional band pulley.
Disclosure of Invention
To the problem that exists among the prior art, the utility model provides a band pulley of adjustable external diameter, the size of band pulley external diameter is changed in the cooperation of accessible band pulley body and ring gear to the very trouble problem of band pulley of change unidimensional has been solved.
In order to achieve the above purpose, the utility model provides a following technical scheme: a belt wheel with adjustable outer diameter comprises a belt wheel body, wherein a shaft hole is formed in the center of the belt wheel body, a gear ring component is arranged on the belt wheel body and comprises a gear ring which can be sleeved outside the belt wheel body and a connecting ring which is used for fixing the gear ring on the belt wheel body, the gear ring is annular, the inner diameter of the gear ring can be matched with the outer diameter of the belt wheel body, a plurality of connecting teeth which are arranged at equal intervals are arranged along the circumferential direction, tooth grooves which are matched with the connecting teeth are arranged on the outer diameter of the belt wheel body corresponding to the connecting teeth, annular connecting grooves are formed in the end faces of the axial two sides of the belt wheel body and the gear ring, matching blocks which are matched with the connecting rings are arranged on the connecting ring corresponding to the belt wheel body and the connecting groove respectively, a connecting piece is arranged beside the matching blocks, a first connecting hole is formed in the connecting, the first connecting hole is connected with the second connecting hole through a screw.
By adopting the technical scheme, the belt wheel body can be sleeved with the gear ring, the size of the outer diameter of the belt wheel is changed by matching the belt wheel body with the gear ring, and the connecting ring can be used for fixing the gear ring on the belt wheel body, so that the problem that the belt wheels with different sizes are very troublesome to replace is solved; wherein, the tooth's socket on the connection tooth of ring gear internal diameter and the external diameter of band pulley body cooperatees for ring gear and band pulley body's being connected is inseparabler, and the go-between makes band pulley body and ring gear be connected with the cooperation of the spread groove on band pulley body and the ring gear respectively through two cooperation pieces, and through first connecting hole, for the second connecting hole screw connection, it is more firm to make the connection of go-between and band pulley body, ring gear, thereby makes the fixed of band pulley body and ring gear more firm.
Furthermore, the inner diameter of the gear ring is matched with the outer diameter of the belt wheel body, but the outer diameter of the gear ring is different from the outer diameter of the belt wheel body.
By adopting the technical scheme, the gear ring with the proper outer diameter can be selected to be matched with the belt wheel body as required, and the belt wheel can be assembled into a whole and is suitable for belt wheels with small sizes.
Furthermore, the belt wheel body is matched with two or more than two gear rings which are mutually sleeved together, the inner diameter of one gear ring is matched with the outer diameter of the belt wheel body, and the inner diameter of the other gear ring matched with the gear ring is matched with the outer diameter of the gear ring.
By adopting the technical scheme, two or more gear rings can be selectively combined into the required outer diameter size, and the gear rings are matched with the belt wheel body to be assembled into a whole, so that the gear ring can be suitable for belt wheels with larger sizes.
Furthermore, the two matching blocks of the connecting ring are respectively matched with the connecting grooves on the belt wheel body and the gear ring on the outermost layer.
By adopting the technical scheme, the two matching blocks which are provided with the connecting rings can be matched with the connecting grooves in the belt pulley body and the outmost gear ring respectively, the outmost gear ring and the belt pulley body are fixed, and the rest gear rings are arranged between the belt pulley body and the outmost gear ring, so that after the outmost gear ring and the belt pulley body are fixed, the rest gear rings can be fixed between the belt pulley body and the outmost gear ring.
Drawings
Fig. 1 is a schematic structural diagram of the first embodiment.
Fig. 2 is a schematic structural diagram of the pulley body and a gear ring with another size in the first embodiment.
Fig. 3 is a cross-sectional view taken along a-a of fig. 1.
Fig. 4 is a schematic structural diagram of the second embodiment.
Fig. 5 is a sectional view taken along the direction B-B in fig. 4.
Detailed Description
The following will further describe the embodiments of the present invention with reference to the drawings and examples.
The belt wheel with the adjustable outer diameter shown in fig. 1-5 comprises a belt wheel body 1, wherein a shaft hole is formed in the center of the belt wheel body 1, a gear ring component is arranged on the belt wheel body 1, the gear ring component comprises a gear ring 2 capable of being sleeved outside the belt wheel body 1 and a connecting ring 3 used for fixing the gear ring 2 on the belt wheel body 1, the gear ring 2 is annular, the inner diameter of the gear ring 2 can be matched with the outer diameter of the belt wheel body 1, a plurality of connecting teeth 4 arranged at equal intervals are circumferentially arranged on the inner diameter of the gear ring 2, tooth sockets 5 matched with the connecting teeth 4 are arranged on the outer diameter of the belt wheel body 1, annular connecting grooves 6 are arranged on the end faces of two axial sides of the belt wheel body 1 and the gear ring 2, the connecting ring 3 is respectively provided with matching blocks 7 matched with the connecting grooves 6 on the belt wheel body 1 and the gear ring 2, be equipped with first connecting hole 10 on the connecting piece 8, the position that corresponds first connecting hole 10 on band pulley body 1 and the ring gear 2 is equipped with second connecting hole 11, first connecting hole 10 passes through the screw 9 with second connecting hole 11 and is connected. The belt wheel body 1 can be sleeved with the gear ring 2, the size of the outer diameter of the belt wheel is changed by matching the belt wheel body 1 with the gear ring 2, and the connecting ring 3 can be used for fixing the gear ring 2 on the belt wheel body 1, so that the problem that the belt wheels with different sizes are very troublesome to replace is solved; wherein, the tooth 4 of being connected of ring gear 2 internal diameter cooperatees with tooth's socket 5 on the external diameter of belt pulley body 1 for ring gear 2 is inseparabler with belt pulley body 1's being connected, go-between 3 makes belt pulley body 1 and ring gear 2 be connected through the cooperation of two cooperation pieces 7 respectively with the spread groove 6 on belt pulley body 1 and the ring gear 2, and through first connecting hole 10, the connection of second connecting hole 11 screw 9, make go-between 3 and belt pulley body 1, the connection of ring gear 2 is more firm, thereby make belt pulley body 1 more firm with the fixed of ring gear 2.
The ring gear 2 has a different arrangement, see the following embodiments.
Example 1: as shown in fig. 1 to 3, the inner diameter of the ring gear 2 is matched with the outer diameter of the pulley body 1, but the outer diameters are different from each other. The gear ring 2 with the appropriate outer diameter can be selected to be matched with the belt wheel body 1 according to needs, and the belt wheel is assembled into a whole and can be suitable for belt wheels with small sizes.
Example 2: as shown in fig. 4-5, two or more gear rings 2 sleeved together are fitted on the pulley body 1, wherein the inner diameter of one gear ring 2 is matched with the outer diameter of the pulley body 1, and the inner diameter of the other gear ring 2 matched therewith is matched with the outer diameter of the gear ring 2. The arrangement can select two or more than two gear rings 2 to combine into the required outer diameter size, and the gear rings are matched with the belt wheel body 1 to assemble into a whole, so that the belt wheel is suitable for belt wheels with larger sizes.
The internal diameter of ring gear 2 is equipped with the ring gear connecting teeth 12 that a plurality of equidistance set up along circumference, the position that corresponds ring gear connecting teeth 12 on the external diameter of ring gear 2 is equipped with the ring gear tooth's socket 13 rather than the adaptation.
And the two matching blocks 7 of the connecting ring 3 are respectively matched with the connecting grooves 6 on the belt wheel body 1 and the gear ring 2 at the outermost layer. Two cooperation pieces 7 that set up accessible go-between 3 like this cooperate with the spread groove 6 on band pulley body 1, outermost ring gear 2 respectively, fix outermost ring gear 2 and band pulley body 1 mutually, because all the other ring gears 2 set up between band pulley body 1, outermost ring gear 2, and when outermost ring gear 2 and band pulley body 1 fixed back, all the other ring gears 2 also can be fixed between band pulley body 1, outermost ring gear 2.
Claims (4)
1. The utility model provides a band pulley of adjustable external diameter, includes the band pulley body, the center of band pulley body is equipped with shaft hole, its characterized in that: the belt wheel body is provided with a gear ring component, the gear ring component comprises a gear ring which can be sleeved outside the belt wheel body and a connecting ring used for fixing the gear ring on the belt wheel body, the gear ring is annular, the inner diameter of the gear ring can be matched with the outer diameter of the belt wheel body, a plurality of connecting teeth which are arranged at equal intervals are arranged on the inner diameter of the gear ring along the circumferential direction, the outer diameter of the belt wheel body is provided with tooth grooves matched with the connecting teeth correspondingly, the end surfaces of the belt wheel body and the two axial sides of the gear ring are provided with annular connecting grooves, the connecting ring is respectively provided with a matching block matched with the connecting groove on the belt wheel body and the gear ring corresponding to the connecting groove, the connecting ring is provided with a connecting piece at one side of the matching block, the connecting piece is provided with a first connecting hole, the belt wheel body and the gear ring are provided with second connecting holes corresponding to the first connecting holes, and the first connecting holes are connected with the second connecting holes through screws.
2. A pulley of adjustable outer diameter according to claim 1, wherein: the inner diameter of the gear ring is matched with the outer diameter of the belt wheel body, but the outer diameters of the gear ring and the belt wheel body are different and are provided with a plurality of gear rings.
3. A pulley of adjustable outer diameter according to claim 1, wherein: the belt wheel body is matched with two or more gear rings which are mutually sleeved together, the inner diameter of one gear ring is matched with the outer diameter of the belt wheel body, and the inner diameter of the other gear ring matched with the gear ring is matched with the outer diameter of the gear ring.
4. A pulley of adjustable outer diameter according to claim 3, wherein: and the two matching blocks of the connecting ring are respectively matched with the connecting grooves on the belt wheel body and the gear ring on the outermost layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020571377.3U CN212106843U (en) | 2020-04-16 | 2020-04-16 | Belt wheel with adjustable outer diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020571377.3U CN212106843U (en) | 2020-04-16 | 2020-04-16 | Belt wheel with adjustable outer diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212106843U true CN212106843U (en) | 2020-12-08 |
Family
ID=73639934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020571377.3U Expired - Fee Related CN212106843U (en) | 2020-04-16 | 2020-04-16 | Belt wheel with adjustable outer diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212106843U (en) |
-
2020
- 2020-04-16 CN CN202020571377.3U patent/CN212106843U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201208 |