CN212616186U - Stable form synchronous pulley - Google Patents
Stable form synchronous pulley Download PDFInfo
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- CN212616186U CN212616186U CN202020980318.1U CN202020980318U CN212616186U CN 212616186 U CN212616186 U CN 212616186U CN 202020980318 U CN202020980318 U CN 202020980318U CN 212616186 U CN212616186 U CN 212616186U
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- synchronous pulley
- pulley body
- synchronous
- retaining ring
- synchronous belt
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Abstract
The utility model discloses a stable form synchronous pulley, have synchronous pulley body and two circular shape retaining rings of a plurality of tooth position including an outer fringe, synchronous pulley body's both sides are equipped with the boss respectively, and the mounting hole has been seted up respectively at the middle part of two retaining rings, and the mounting hole of two retaining rings is inserted respectively and is arranged in on synchronous pulley body's corresponding boss. The utility model has the advantages of simple structure, safety, can adopt thick retaining ring and synchronous pulley body welded fastening and the dual fixed mode of flower tooth anti-skidding screw, avoid the retaining ring to break away from the fixed department, it is durable lasting, long service life, and the retaining ring inclined plane on the retaining ring can reduce the frictional contact area between the medial surface of retaining ring and the lateral surface of hold-in range, reduce the loss of friction to the hold-in range, and seted up the round hole groove on the synchronous pulley body, the steel ball is installed to the round hole inslot, can reduce the frictional force between hold-in range and the synchronous pulley effectively, play lubricated effect, synchronous pulley's life-span and stability are improved by a wide margin.
Description
Technical Field
The utility model relates to a carry and establish technical field, especially a stable form synchronous pulley.
Background
The synchronous pulley is generally made of steel, aluminum alloy, cast iron, brass and other materials, and the synchronous pulley transmission is composed of a closed annular adhesive tape with an equal interval on the inner peripheral surface and corresponding pulleys. During movement, the belt teeth are meshed with the tooth grooves of the belt wheels to transmit movement and power, and the belt is meshed for transmission, and has various characteristics of gear transmission, chain transmission and flat belt transmission.
The existing synchronous pulley check ring is thin in thickness, the check ring can only be fixed with a synchronous pulley body in an extrusion edge rolling mode, the check ring is easy to wear and break away, and the problem that the stability is poor and the service life is short due to long-term friction between the synchronous pulley and a synchronous belt is solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a stable form synchronous pulley to solve the problem that current synchronous pulley exists.
The purpose of the utility model is realized through the following technical scheme:
a stable type synchronous pulley comprises a synchronous pulley body and two circular retaining rings, wherein the outer edge of the synchronous pulley body is provided with a plurality of tooth positions, bosses are respectively arranged on two sides of the synchronous pulley body, mounting holes are respectively formed in the middle parts of the two retaining rings, the mounting holes of the two retaining rings are respectively inserted into the corresponding bosses of the synchronous pulley body, and the two retaining rings are respectively welded with the corresponding bosses of the synchronous pulley body, so that the retaining rings are fixed on two sides of the synchronous pulley body;
a plurality of first threaded holes are formed in the two retaining rings along a circle on the circumference, a plurality of second threaded holes which correspond to the first threaded holes one by one are formed in the synchronous pulley body, and the first threaded holes are internally provided with spline anti-skid screws which penetrate through the first threaded holes and are fixed with the second threaded holes;
the synchronous belt pulley is characterized in that a plurality of circular hole grooves uniformly distributed along the circumferential direction of the synchronous belt pulley body are formed in the synchronous belt pulley body, the circular hole grooves are located between adjacent tooth positions of the synchronous belt pulley body, and a plurality of steel balls are mounted in each circular hole groove.
And the edges of the inner side surfaces of the two retaining rings are respectively provided with a circle of retaining ring inclined surface for reducing the contact area between the inner side surface of the retaining ring and the outer side surface of the synchronous belt.
The axle center department of synchronous pulley body sets up the shaft hole that runs through synchronous pulley body and boss.
The boss of synchronous pulley body is circular boss, the mounting hole of retaining ring is the circular port.
The welding mode of the retainer ring and the boss of the synchronous pulley body is argon arc welding.
The inclined plane of the retainer ring is an inclined plane processed by superfine grinding.
The number of the first threaded holes and the number of the second threaded holes are four.
The utility model has the advantages that:
the utility model has the advantages of simple structure, safety, can adopt thick retaining ring and synchronous pulley body welded fastening and the dual fixed mode of flower tooth anti-skidding screw, avoid the retaining ring to break away from the fixed department, it is durable lasting, long service life, and the retaining ring inclined plane on the retaining ring can reduce the frictional contact area between the medial surface of retaining ring and the lateral surface of hold-in range, reduce the loss of friction to the hold-in range, and seted up the round hole groove on the synchronous pulley body, the steel ball is installed to the round hole inslot, can reduce the frictional force between hold-in range and the synchronous pulley effectively, play lubricated effect, synchronous pulley's life-span and stability are improved by a wide margin.
Drawings
Fig. 1 is a schematic structural view of the synchronous pulley of the present invention;
FIG. 2 is a schematic structural view of the synchronous pulley body of the present invention;
FIG. 3 is a schematic structural view of a retainer ring;
in the figure, 1-synchronous pulley body, 11-boss, 12-shaft hole, 13-second threaded hole, 14-circular hole groove, 15-steel ball, 2-retainer ring, 21-mounting hole, 22-retainer ring inclined plane and 23-first threaded hole.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in fig. 1 to 3, a stable type synchronous pulley is composed of a synchronous pulley body 1, a boss 11, a shaft hole 12, a second threaded hole 13, a circular hole groove 14, a steel ball 15, a retainer ring 2, a mounting hole 21, a retainer ring inclined plane 22 and a first threaded hole 23.
A stable form synchronous pulley's connected mode is as follows:
a stable form synchronous pulley which characterized in that: the synchronous belt pulley comprises a synchronous belt pulley body 1 with a plurality of tooth positions on the outer edge and two circular retainer rings 2, wherein bosses 11 are respectively arranged on two sides of the synchronous belt pulley body 1, mounting holes 21 are respectively formed in the middle parts of the two retainer rings 2, the mounting holes 21 of the two retainer rings 2 are respectively inserted into the corresponding bosses 11 of the synchronous belt pulley body 1, and the two retainer rings 2 are respectively welded with the corresponding bosses 11 of the synchronous belt pulley body 1, so that the retainer rings 2 are fixed on two sides of the synchronous belt pulley body 1;
a plurality of first threaded holes 23 are circumferentially arranged on the two retainer rings 2 in a circle, a plurality of second threaded holes 13 which correspond to the first threaded holes 23 one by one are formed in the synchronous pulley body 1, and the first threaded holes 23 are internally provided with spline anti-skid screws which pass through the first threaded holes 23 and are fixed with the second threaded holes 13;
the synchronous pulley body 1 is provided with a plurality of circular hole grooves 14 which are uniformly arranged along the circumferential direction of the synchronous pulley body 1, the circular hole grooves 14 are positioned between adjacent tooth positions of the synchronous pulley body 1, and a plurality of steel balls 15 are arranged in each circular hole groove 14.
And the inner side edges of the two retainer rings 2 are respectively provided with a circle of retainer ring inclined planes 22 for reducing the contact area between the inner side of the retainer ring 2 and the outer side of the synchronous belt.
The axle center of the synchronous pulley body 1 is provided with an axle hole 12 which runs through the synchronous pulley body 1 and the boss 11 thereof.
The boss 11 of the synchronous pulley body 1 is a circular boss, and the mounting hole 21 of the retainer ring 2 is a circular hole.
The retainer ring 2 and the boss 11 of the synchronous pulley body 1 are welded in an argon arc welding mode.
The retainer ring inclined plane 22 is an inclined plane which is processed by superfine grinding.
The number of the first threaded holes 23 and the number of the second threaded holes 13 are four.
The stable synchronous pulley has the following working principle:
the outer fringe of synchronous pulley body 1 is equipped with a plurality of tooth position, and the tooth position slot can adopt superfine grinding, and the both sides of synchronous pulley body 1 are equipped with boss 11 respectively, and in this embodiment, the boss 11 of synchronous pulley body 1 can be preferred to set up to circular boss.
In addition, the axle center of the synchronous pulley body 1 can be provided with an axle hole 12 penetrating through the synchronous pulley body 1 and the boss 11 thereof, and the axle hole 12 of the synchronous pulley body 1 can be arranged on the output shaft of the motor. Adopt welding and bolt fastening's dual fixed mode between retaining ring 2 and the synchronous pulley, adopt welded fastening between retaining ring 2's mounting hole 21 and the boss 11, seted up first screw hole 23 on the retaining ring 2, set up the second screw hole 13 of a plurality of and first screw hole 23 one-to-one on the synchronous pulley body 1, install the flower tooth anti-skidding screw in the first screw hole 23, flower tooth anti-skidding screw passes first screw hole 23 and is fixed with second screw hole 13.
The retainer ring 2 is set to be circular, the mounting holes 21 are respectively formed in the middle parts of the two retainer rings 2, and in the embodiment, the mounting holes 21 of the retainer rings 2 can be preferably set to be circular holes in accordance with the shape of the boss 11.
During installation, the mounting holes 21 of the two check rings 2 are respectively inserted into the corresponding bosses 11 of the synchronous pulley body 1, and the two check rings 2 are respectively welded with the corresponding bosses 11 of the synchronous pulley body 1, so that the check rings 2 are fixed on two sides of the synchronous pulley body 1. Wherein, the welding mode of the retainer ring 2 and the boss 11 of the synchronous pulley body 1 can adopt argon arc welding.
A plurality of circular hole grooves 14 evenly distributed along the circumferential direction of the synchronous belt pulley body 1 are formed in the synchronous belt pulley body 1, the circular hole grooves 14 are located between adjacent tooth positions of the synchronous belt pulley body 1, and a plurality of steel balls 15 are installed in each circular hole groove 14. The steel ball 15 in the round hole groove 14 can effectively reduce the friction between the synchronous belt and the synchronous belt pulley body 1, and the service life of the synchronous belt pulley is prolonged.
The utility model has the advantages of simple structure, safety, can adopt thick retaining ring and synchronous pulley body welded fastening and the dual fixed mode of flower tooth anti-skidding screw, avoid the retaining ring to break away from the fixed department, it is durable lasting, long service life, and the retaining ring inclined plane on the retaining ring can reduce the frictional contact area between the medial surface of retaining ring and the lateral surface of hold-in range, reduce the loss of friction to the hold-in range, and seted up the round hole groove on the synchronous pulley body, the steel ball is installed to the round hole inslot, can reduce the frictional force between hold-in range and the synchronous pulley effectively, play lubricated effect, synchronous pulley's life-span and stability are improved by a wide margin.
Finally, it should be noted that the above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A stable form synchronous pulley which characterized in that: the synchronous belt pulley comprises a synchronous belt pulley body (1) with a plurality of tooth positions on the outer edge and two circular retainer rings (2), wherein bosses (11) are respectively arranged on two sides of the synchronous belt pulley body (1), mounting holes (21) are respectively formed in the middle parts of the two retainer rings (2), the mounting holes (21) of the two retainer rings (2) are respectively inserted into the corresponding bosses (11) of the synchronous belt pulley body (1), and the two retainer rings (2) are respectively welded with the corresponding bosses (11) of the synchronous belt pulley body (1), so that the retainer rings (2) are fixed on two sides of the synchronous belt pulley body (1); a plurality of first threaded holes (23) are formed in the two retainer rings (2) in a circle along the circumference, a plurality of second threaded holes (13) which correspond to the first threaded holes (23) one by one are formed in the synchronous pulley body (1), a spline anti-skid screw is installed in each first threaded hole (23), and the spline anti-skid screw penetrates through the first threaded holes (23) and is fixed with the second threaded holes (13); the synchronous pulley is characterized in that a plurality of circular hole grooves (14) which are uniformly distributed along the circumferential direction of the synchronous pulley body (1) are formed in the synchronous pulley body (1), the circular hole grooves (14) are located between adjacent tooth positions of the synchronous pulley body (1), and a plurality of steel balls (15) are installed in each circular hole groove (14).
2. A stabilized synchronous pulley according to claim 1, wherein: and the inner side edges of the two retaining rings (2) are respectively provided with a circle of retaining ring inclined plane (22) for reducing the contact area between the inner side of the retaining ring (2) and the outer side of the synchronous belt.
3. A stabilized synchronous pulley according to claim 1, wherein: the axle center of the synchronous belt pulley body (1) is provided with an axle hole (12) which penetrates through the synchronous belt pulley body (1) and the boss (11) of the synchronous belt pulley body.
4. A stabilized synchronous pulley according to claim 1, wherein: the boss (11) of synchronous pulley body (1) is circular boss, mounting hole (21) of retaining ring (2) are the circular port.
5. A stabilized synchronous pulley according to claim 1, wherein: the retainer ring (2) and the boss (11) of the synchronous pulley body (1) are welded in an argon arc welding mode.
6. A stabilized synchronous pulley according to claim 2, wherein: the retainer ring inclined plane (22) is an inclined plane processed by superfine grinding.
7. A stabilized synchronous pulley according to claim 1, wherein: the number of the first threaded holes (23) and the number of the second threaded holes (13) are four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020980318.1U CN212616186U (en) | 2020-06-02 | 2020-06-02 | Stable form synchronous pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020980318.1U CN212616186U (en) | 2020-06-02 | 2020-06-02 | Stable form synchronous pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212616186U true CN212616186U (en) | 2021-02-26 |
Family
ID=74721320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020980318.1U Active CN212616186U (en) | 2020-06-02 | 2020-06-02 | Stable form synchronous pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212616186U (en) |
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2020
- 2020-06-02 CN CN202020980318.1U patent/CN212616186U/en active Active
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