CN218882937U - Arc tooth part structure of synchronous belt pulley - Google Patents
Arc tooth part structure of synchronous belt pulley Download PDFInfo
- Publication number
- CN218882937U CN218882937U CN202320011987.1U CN202320011987U CN218882937U CN 218882937 U CN218882937 U CN 218882937U CN 202320011987 U CN202320011987 U CN 202320011987U CN 218882937 U CN218882937 U CN 218882937U
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- teeth
- cogwheel
- tooth
- circular arc
- synchronous pulley
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Abstract
The utility model discloses a synchronous pulley's circular arc tooth portion structure, including the band pulley body, the band pulley body outer wall is provided with a plurality of evenly distributed's the teeth of a cogwheel along circumference, the tooth top of the teeth of a cogwheel is in the same direction as smooth circular arc top, the teeth of a cogwheel is "circular arc curve" form, the utility model discloses improve the profile of tooth of traditional teeth of a cogwheel for "circular arc is in the same direction as smooth curve" structure, the tooth top processing on smooth circular arc top is simple, is convenient for make, and the profile of tooth after not improving is verified through actual test result to can bring serious wearing and tearing for the hold-in range, promote synchronous pulley figurative diversification to satisfy different customers's different demands. In order to improve the heat-dissipating ability of synchronous belt drive system at the during operation, set up a plurality of radiating grooves on the teeth of a cogwheel, the heat that work produced can be followed the radiating groove and dispersed away, has increased heat radiating area, has improved the radiating effect.
Description
Technical Field
The utility model relates to a synchronous pulley technical field, especially a synchronous pulley's circular arc tooth portion structure.
Background
The synchronous belt transmission is characterized in that the motion and power are transmitted by meshing a belt tooth with a tooth groove of a belt wheel, and the synchronous belt transmission has the common characteristics of gear transmission, chain transmission and flat belt transmission, and comprises a synchronous belt wheel and a synchronous belt.
The tooth profile of the synchronous pulley is an international standard tooth profile, the tooth profiles are basically consistent, different tooth profiles need to be processed for pursuing different shapes, but many tooth profiles are difficult to process in a processing center or the processing cost is high.
During the motion, take the tooth and the tooth's socket of band pulley meshing transmission motion and power mutually, be a meshing transmission, can produce the heat because of the friction in the transmission, the band pulley easily receives the heat altered shape under long-time work to need in time dispel the heat, otherwise can influence synchronous belt drive mechanism's life.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a synchronous pulley's circular arc tooth portion structure to solve at present in order to pursue different molding, the difficult point of profile of tooth processing on the machining center, the heat can not in time be in time dispel the scheduling problem during the transmission.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a synchronous pulley's circular arc tooth portion structure, includes the band pulley body, the band pulley body outer wall is provided with a plurality of evenly distributed's the teeth of a cogwheel along circumference, the tooth top of the teeth of a cogwheel is for following smooth circular arc top, the teeth of a cogwheel are "circular arc curve" form.
As the utility model discloses an improve, the utility model discloses improve the profile of tooth of the traditional teeth of a cogwheel for "circular arc is smooth curve" structure, the tooth top processing on smooth circular arc top is simple, is convenient for make, and the profile of tooth after not improving is verified through actual test result to can not bring serious wearing and tearing for the hold-in range, promote the figurative diversification of synchronous pulley to satisfy different customers' different demands.
Preferably, the top of the gear teeth is provided with a plurality of uniformly distributed heat dissipation grooves.
As the utility model discloses a further improvement, in order to improve synchronous belt drive system heat-sinking capability at the during operation, set up a plurality of radiating grooves on the teeth of a cogwheel, the heat that work produced can be followed the radiating groove and dispersed away, has increased heat radiating area, has improved the radiating effect.
Preferably, the middle of the belt wheel body is provided with a shaft hole and a plurality of limiting grooves, the shaft hole is communicated with the limiting grooves, and the number of the limiting grooves is 13, and the limiting grooves are uniformly distributed around the shaft hole; the shaft hole and the limiting groove form a 'flower tooth-shaped' structure together.
As the utility model discloses a further improvement, in order to improve the stability of high-speed rotation band pulley, the utility model discloses set up 13 spacing grooves, this supporting axis of rotation in the cooperation can be so that the band pulley is more stable with being connected of axis of rotation, has prevented under the high-speed pivoted condition that eccentric phenomenon takes place.
Preferably, a wheel tooth groove is arranged between any two adjacent gear teeth, and the cross section of the wheel tooth groove is in a U shape.
Preferably, the two sides of the belt pulley body are outwards provided with retaining rings, and the inner side surfaces of the retaining rings are provided with retaining ring inclined surfaces.
Preferably, the inclined plane of the retainer ring is an inclined plane processed by superfine grinding.
Preferably, a plurality of large through holes are formed in the belt wheel body, and the large through holes are waist-shaped holes.
Preferably, the pulley body and the retainer ring are of an integral structure, and are fixed together by welding or by screwing.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses the profile of tooth of the traditional teeth of a cogwheel is improved to "circular arc smooth curve" structure, and the teeth of a cogwheel processing of this kind of structure is convenient, the processing cost is low to profile of tooth after improving is verified through actual test result, can not bring serious wearing and tearing for the hold-in range, promotes synchronous pulley figurative diversification, in order to satisfy different customers' different demands.
2. The utility model discloses an improve synchronous belt drive system and set up a plurality of radiating grooves at the heat-sinking capability of during operation on the teeth of a cogwheel, the heat that work produced can be followed the radiating groove and dispersed away, has increased heat radiating area, has improved the radiating effect, has increased synchronous pulley's life.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1 according to the present invention;
fig. 3 is a cross-sectional view of the overall structure of the present invention.
In the figure: the belt wheel comprises a belt wheel body 1, a belt wheel body 11, a shaft hole 12, a limiting groove 2, a gear tooth 21, a heat dissipation groove 3, a gear tooth groove 3, a retainer ring 4, a retainer ring inclined plane 41 and a large through hole 5.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1 to 3, an arc tooth structure of a synchronous pulley includes a pulley body 1, a plurality of gear teeth 2 uniformly distributed are circumferentially disposed on an outer wall of the pulley body 1, tooth tops of the gear teeth 2 are smooth arc tops, the gear teeth are in an arc curve shape, as shown in fig. 3, in this embodiment, tooth tops of the gear teeth 2 are tooth tops
The smooth circular arc curve of comparing the tooth top of traditional flat top or sharp horn type, the utility model discloses the tooth top of teeth of a cogwheel 2 looks more smooth, can bring different visual effect for the people in the area, and the tooth top processing on smooth circular arc top is simple, and the manufacturing of being convenient for, biscuit process actual experimental proof, the profile of tooth after improving can not bring serious wearing and tearing for the hold-in range, satisfies the special requirement in different trades, promotes the figurative diversification of synchronous pulley to satisfy different customers' different demands.
Synchronous belt drive system is at the during operation, can produce a large amount of heat between synchronous belt and the synchronous pulley, if this part heat is not in time to be discharged away, the synchronous pulley is heated and can take place deformation under long-time work, thereby influence synchronous pulley's life, in order to solve synchronous belt drive system poor problem of during operation heat dissipation ability, has set up a plurality of evenly distributed's radiating groove 21 (not drawing completely in the picture) at the top of all teeth of a cogwheel 2, and radiating groove 21 link up the both sides of teeth of a cogwheel 2, the utility model discloses 4 radiating grooves 21 have been seted up, synchronous belt drive system is at the during operation, the heat of production can enter into radiating groove 21, and synchronous pulley is at the pivoted in-process, can distribute away this part heat from both sides, thereby alright take away the heat fast, improve heat dispersion.
Be provided with shaft hole 11 and a plurality of spacing groove 12 in the middle of the belt pulley body 1, shaft hole 11 and spacing groove 12 intercommunication, shaft hole 11 are used for connecting the transmission shaft and fix through spacing groove 12, and synchronous pulley takes place off-centre very easily in high-speed pivoted, so the utility model discloses set up 13 spacing grooves 12, spacing groove 12 and evenly distributed around shaft hole 11, shaft hole 11 forms "flower dentate" structure with spacing groove 12 together, makes the transmission shaft can remain stable in high-speed pivoted through the number that increases spacing groove 12, can not take place to rock.
A gear tooth groove 3 is formed between any two adjacent gear teeth 2, and the cross section of the gear tooth groove 3 is U-shaped.
The two sides of the belt wheel body 1 are outwards provided with the check rings 4, the synchronous belts are arranged and installed in a positioning mode through the design of the check rings 4, the synchronous belts can be matched with the synchronous belt wheels, the check rings 4 enable the synchronous belt transmission system to keep certain stability during working, and the synchronous belts are prevented from shaking during working.
The inner side surface of the retainer ring 4 is provided with a retainer ring inclined surface 41, the retainer ring inclined surface 41 is an inclined surface processed by superfine grinding, and the retainer ring inclined surface 41 reduces the friction contact area between the inner side surface of the retainer ring 4 and the outer side surface of the synchronous belt, reduces the loss of friction to the synchronous belt, and prolongs the service life of the traditional synchronous belt system.
Be provided with a plurality of big through-holes 5 on the band pulley body 1, big through-hole 5 is waist type hole the utility model discloses be provided with three big through- hole 5, 5 symmetric distributions in big through-hole are on band pulley body 1, and three big through-hole 5 has alleviateed synchronous pulley's quality in the at utmost when keeping synchronous pulley's stability.
Belt pulley body 1 and retaining ring 4 formula structure as an organic whole, the integral type structure helps improving production efficiency, has also guaranteed synchronous pulley's stability when the operation simultaneously, has guaranteed synchronous pulley's life, and belt pulley body 1 and retaining ring 4 can also be in the same place through welded fastening, also perhaps be in the same place through threaded fastening.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a synchronous pulley's circular arc tooth portion structure, includes band pulley body (1), band pulley body (1) outer wall is provided with a plurality of evenly distributed's teeth of a cogwheel (2) along circumference, a serial communication port, the addendum of the teeth of a cogwheel (2) is in same direction as smooth circular arc top, the teeth of a cogwheel (2) are "circular arc curve" form, teeth of a cogwheel (2) top is provided with a plurality of evenly distributed's radiating groove (21), radiating groove (21) have link up the both sides of the teeth of a cogwheel (2).
2. The arc tooth part structure of the synchronous pulley according to claim 1, wherein a shaft hole (11) and a plurality of limiting grooves (12) are arranged in the middle of the pulley body (1), and the shaft hole (11) is communicated with the limiting grooves (12).
3. The circular arc tooth structure of the synchronous pulley according to claim 2, wherein the number of the limiting grooves (12) is 13, and the limiting grooves are uniformly distributed around the shaft hole (11); the shaft hole (11) and the limit groove (12) form a flower-tooth-shaped structure together.
4. The circular arc tooth structure of the synchronous pulley according to claim 3, wherein a wheel tooth groove (3) is provided between any two adjacent wheel teeth (2), and the cross section of the wheel tooth groove (3) is U-shaped.
5. The circular arc tooth structure of the synchronous pulley according to claim 4, wherein the pulley body (1) is provided with a retainer ring (4) at two sides thereof, and the inner side surface of the retainer ring (4) is provided with a retainer ring inclined surface (41).
6. The circular-arc tooth structure of a synchronous pulley according to claim 5, characterized in that the retainer ring inclined surface (41) is an inclined surface processed by ultra-fine grinding.
7. The arc tooth structure of a synchronous pulley according to claim 6, characterized in that the pulley body (1) is provided with a plurality of large through holes (5), and the large through holes (5) are kidney-shaped holes.
8. The circular-arc tooth structure of a synchronous pulley according to claim 7,
the belt wheel body (1) and the retainer ring (4) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320011987.1U CN218882937U (en) | 2023-01-04 | 2023-01-04 | Arc tooth part structure of synchronous belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320011987.1U CN218882937U (en) | 2023-01-04 | 2023-01-04 | Arc tooth part structure of synchronous belt pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218882937U true CN218882937U (en) | 2023-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320011987.1U Active CN218882937U (en) | 2023-01-04 | 2023-01-04 | Arc tooth part structure of synchronous belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218882937U (en) |
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2023
- 2023-01-04 CN CN202320011987.1U patent/CN218882937U/en active Active
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