CN212616190U - High-strength powder metallurgy belt pulley - Google Patents
High-strength powder metallurgy belt pulley Download PDFInfo
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- CN212616190U CN212616190U CN202021533079.1U CN202021533079U CN212616190U CN 212616190 U CN212616190 U CN 212616190U CN 202021533079 U CN202021533079 U CN 202021533079U CN 212616190 U CN212616190 U CN 212616190U
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- belt pulley
- transmission
- powder metallurgy
- ring
- interior transmission
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Abstract
The utility model discloses a high strength powder metallurgy belt pulley, including belt pulley outer lane and interior transmission circle, the peripheral shaping of belt pulley outer lane has synchromesh, the mounting hole has been seted up at belt pulley outer lane middle part, mounting hole internally mounted have interior transmission circle, the appearance of interior transmission circle is T type structure, interior transmission circle passes mounting hole one end is connected with the holding plate, the holding plate with interior transmission circle passes through the screw crimping. Has the advantages that: the utility model discloses can be when this belt pulley is impaired in the use, quick dismantle the solid fixed pressing plate, then will interior transmission circle follow belt pulley outer lane dismantlement, change and install impaired belt pulley outer lane or interior transmission circle, can continue to use, avoid causing the waste of material to the whole changes of belt pulley, resources are saved, comparatively practical.
Description
Technical Field
The utility model relates to a belt pulley technical field, concretely relates to high strength powder metallurgy belt pulley.
Background
The belt pulley belongs to a hub part, generally has a relatively large size, and is mainly cast and forged in the manufacturing process. The design with larger size is designed to be a casting method, the material is generally cast iron (with better casting performance), and the cast steel is rarely used (with poor casting performance); generally, the steel is small in size and can be designed to be forged, and the material is steel. The pulley is mainly used in the occasion of transmitting power from a long distance, such as the output of small diesel engine power, agricultural vehicles, tractors, automobiles, mining machinery, machining equipment, textile machinery, packaging machinery, lathes, forging beds, the transmission of power of some small horsepower motorcycles, the transmission of power of agricultural machinery, air compressors, speed reducers, generators, embossing machines and the like, and powder metallurgy is a method for preparing the pulley.
However, when the existing high-strength powder metallurgy belt pulley is used, once the belt pulley is damaged, the whole belt pulley needs to be replaced, so that the material waste is caused, and the belt pulley is extremely impractical.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the prior art not enough, now provide high strength powder metallurgy belt pulley, solved current high strength powder metallurgy belt pulley in the use, in case the belt pulley is impaired, just need change whole belt pulley, cause the waste of material, the extremely unpractical problem.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a high strength powder metallurgy belt pulley, including belt pulley outer lane and interior transmission circle, the peripheral shaping of belt pulley outer lane has synchromesh, the mounting hole has been seted up at belt pulley outer lane middle part, mounting hole internally mounted have interior transmission circle, the appearance of interior transmission circle is T type structure, interior transmission circle passes mounting hole one end is connected with the holding plate, the holding plate with interior transmission circle passes through the screw crimping.
By adopting the technical scheme, the outer ring of the belt pulley and the inner transmission ring can be installed to form a complete belt pulley for use, and when the belt pulley is damaged, one part can be replaced, so that the aim of saving materials is fulfilled.
Furthermore, the inner transmission ring comprises a shaft hole formed in the middle of the inner transmission ring, key slots formed in the shaft hole, lightening holes uniformly distributed along the periphery of the shaft hole and transmission pin shafts arranged on the periphery of the lightening holes.
By adopting the technical scheme, the lightening holes play a lightening role.
Furthermore, the transmission pin shaft and the inner transmission ring are integrally formed, the number of the lightening holes is six, and the lightening holes are formed in the inner transmission ring.
By adopting the technical scheme, power can be transmitted through the transmission pin shaft.
Furthermore, the lightening holes are tapered holes, and the lightening holes are enlarged from the middle part to two sides along the lightening holes and have certain draft angles.
By adopting the technical scheme, the die drawing can be conveniently carried out when the belt pulley is manufactured through powder metallurgy.
Furthermore, the periphery of the mounting hole on the outer ring of the belt pulley is formed with an inserting transmission hole, the number of the inserting transmission holes and the number of the transmission pin shafts are four, and the transmission pin shafts are inserted into the inserting transmission holes.
By adopting the technical scheme, the belt pulley outer ring and the inner transmission ring can be installed by matching the splicing transmission hole with the transmission pin shaft.
Further, the hardness of the outer ring of the belt pulley and the hardness of the inner transmission ring are 52-56 HRC.
By adopting the technical scheme, the hardness of the belt pulley can be ensured.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
for solving current high strength powder metallurgy belt pulley in the use, in case the belt pulley is impaired, just need change whole belt pulley, cause the waste of material, extremely unpractical problem, the utility model discloses can be when this belt pulley is impaired in the use, quick dismantlement with fixed pressing plate, then will interior transmission circle follow belt pulley outer lane pull down, change and install impaired belt pulley outer lane or interior transmission circle, can continue to use, avoid causing the waste of material to the whole changes of belt pulley, resources are saved, comparatively practical.
Drawings
FIG. 1 is a front view of a high strength powder metallurgy pulley of the present invention;
FIG. 2 is a top cross-sectional view of the high strength powder metallurgy pulley of the present invention;
figure 3 is a back view of the inner drive ring of the high strength powder metallurgy pulley of the present invention.
The reference numerals are explained below:
1. an outer ring of the belt pulley; 2. a synchronizing tooth; 3. an inner drive ring; 301. a shaft hole; 302. lightening holes; 303. a transmission pin shaft; 304. a keyway; 4. a transmission hole is inserted; 5. mounting holes; 6. and fixing the pressing plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-3, the high-strength powder metallurgy belt pulley in this embodiment includes a belt pulley outer ring 1 and an inner transmission ring 3, a synchronizing tooth 2 is formed on the periphery of the belt pulley outer ring 1, a mounting hole 5 is formed in the middle of the belt pulley outer ring 1, the inner transmission ring 3 is mounted inside the mounting hole 5, the inner transmission ring 3 is of a T-shaped structure, one end of the inner transmission ring 3, which penetrates through the mounting hole 5, is connected with a fixing pressing plate 6, the fixing pressing plate 6 and the inner transmission ring 3 are in screw press-connection, so that the belt pulley outer ring 1 and the inner transmission ring 3 can be mounted to form a complete belt pulley for use, when the belt pulley bears damage, one of the parts can be replaced, and the purpose of saving material.
The inner transmission ring 3 comprises a shaft hole 301 formed in the middle of the inner transmission ring 3, key slots 304 formed in the shaft hole 301, lightening holes 302 uniformly distributed along the periphery of the shaft hole 301, and transmission pin shafts 303 arranged on the periphery of the lightening holes 302, wherein the lightening holes 302 play a role in reducing weight.
The transmission pin shaft 303 and the inner transmission ring 3 are integrally formed, the number of the lightening holes 302 is six, and the lightening holes 302 are formed on the inner transmission ring 3 and can transmit power through the transmission pin shaft 303.
The lightening hole 302 is a tapered hole, and is enlarged to two sides along the middle part of the lightening hole 302, and has a certain drawing slope, so that the drawing can be conveniently carried out when the belt pulley is manufactured through powder metallurgy.
The periphery of the mounting hole 5 on the outer ring 1 of the belt pulley is formed with an inserting transmission hole 4, the number of the inserting transmission holes 4 and the number of the transmission pin shafts 303 are four, the transmission pin shafts 303 are inserted into the inserting transmission holes 4, and the belt pulley outer ring 1 and the inner transmission ring 3 can be mounted by matching the inserting transmission holes 4 and the transmission pin shafts 303.
The hardness of the pulley outer ring 1 and the inner transmission ring 3 is 52-56HRC, so that the hardness of the pulley can be ensured.
The specific implementation process of this embodiment is as follows: when using this belt pulley, pass through the key-type connection with shaft hole 301 and outside transmission shaft, then overlap the synchronous belt on this belt pulley and outside belt pulley, the realization is to the conveying of power, when this belt pulley is impaired in the use, can be quick dismantle solid fixed pressing plate 6, then dismantle interior driving ring 3 from belt pulley outer lane 1, change and install impaired belt pulley outer lane 1 or interior driving ring 3, can continue to use, avoid causing the waste of material to the whole changes of belt pulley, resources are saved, it is comparatively practical, in the use, lightening hole 302 plays the effect of lightening, synchronous tooth 2 can satisfy synchronous belt synchronous drive's demand, the lightening hole 302 of toper design is convenient for carry out the drawing die.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (6)
1. High strength powder metallurgy belt pulley, its characterized in that: including belt pulley outer lane (1) and interior transmission circle (3), belt pulley outer lane (1) peripheral shaping has synchroteeth (2), mounting hole (5) have been seted up at belt pulley outer lane (1) middle part, mounting hole (5) internally mounted have interior transmission circle (3), the appearance of interior transmission circle (3) is T type structure, interior transmission circle (3) pass mounting hole (5) one end is connected with holding plate (6), holding plate (6) with interior transmission circle (3) are through the screw crimping.
2. The high strength powder metallurgy pulley according to claim 1, wherein: the inner transmission ring (3) comprises a shaft hole (301) formed in the middle of the inner transmission ring (3), key slots (304) formed in the shaft hole (301), lightening holes (302) uniformly distributed along the periphery of the shaft hole (301), and transmission pin shafts (303) arranged on the periphery of the lightening holes (302).
3. The high strength powder metallurgy pulley according to claim 2, wherein: the transmission pin shaft (303) and the inner transmission ring (3) are integrally formed, the number of the lightening holes (302) is six, and the lightening holes (302) are formed in the inner transmission ring (3).
4. The high strength powder metallurgy pulley according to claim 3, wherein: the lightening holes (302) are tapered holes, and the lightening holes are enlarged from the middle parts to two sides of the lightening holes (302) and have certain draft angles.
5. The high strength powder metallurgy pulley according to claim 4, wherein: the belt pulley outer ring (1) is located an inserting transmission hole (4) is formed in the periphery of the mounting hole (5), the number of the inserting transmission holes (4) and the number of the transmission pin shafts (303) are four, and the transmission pin shafts (303) are inserted into the inserting transmission holes (4).
6. The high strength powder metallurgy pulley according to claim 5, wherein: the hardness of the outer ring (1) of the belt pulley and the hardness of the inner transmission ring (3) are 52-56 HRC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021533079.1U CN212616190U (en) | 2020-07-29 | 2020-07-29 | High-strength powder metallurgy belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021533079.1U CN212616190U (en) | 2020-07-29 | 2020-07-29 | High-strength powder metallurgy belt pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212616190U true CN212616190U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021533079.1U Active CN212616190U (en) | 2020-07-29 | 2020-07-29 | High-strength powder metallurgy belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212616190U (en) |
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2020
- 2020-07-29 CN CN202021533079.1U patent/CN212616190U/en active Active
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| GR01 | Patent grant | ||
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Address after: No.21, Shangxing East Road, Xuehou village, Shangwang street, Ruian City, Wenzhou City, Zhejiang Province 325000 Patentee after: Zhejiang Caleb New Material Co.,Ltd. Address before: No.21, Shangxing East Road, Xuehou village, Shangwang street, Ruian City, Wenzhou City, Zhejiang Province 325000 Patentee before: Ruian Caleb metal products Co.,Ltd. |