CN215673469U - Multi-wedge belt pulley assembly - Google Patents
Multi-wedge belt pulley assembly Download PDFInfo
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- CN215673469U CN215673469U CN202120566792.4U CN202120566792U CN215673469U CN 215673469 U CN215673469 U CN 215673469U CN 202120566792 U CN202120566792 U CN 202120566792U CN 215673469 U CN215673469 U CN 215673469U
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Abstract
The utility model relates to the technical field of logistics transportation design, in particular to a multi-wedge belt pulley assembly which comprises a multi-wedge belt pulley body and a rigid connecting sleeve; the multi-wedge belt pulley body is sequentially provided with a first annular bearing part along the axial direction; a second annular receiving portion having an outer peripheral diameter smaller than an outer peripheral diameter of the first annular receiving portion; a third annular receiving portion having an outer peripheral diameter smaller than an outer peripheral diameter of the second annular receiving portion; the rigid connecting sleeve comprises an annular bearing body and is used for being sleeved with the periphery of the second annular bearing part; the annular clamping body is used for being sleeved with the periphery of the third annular bearing part; a connector. The multi-wedge belt wheel assembly is divided into the rigid connecting sleeve and the multi-wedge belt wheel body, the multi-wedge belt wheel body is integrally made of plastic materials, the rigid connecting sleeve is made of materials with high strength and hardness, and the service life and the use effect of the multi-wedge belt wheel assembly can be effectively prolonged.
Description
Technical Field
The utility model relates to the technical field of logistics transportation design, in particular to a multi-wedge pulley assembly.
Background
The multi-wedge belt wheel has been widely used in the transmission of various mechanical devices in the automobile, agricultural machinery and light textile industries because of the advantages of large transmission power, small vibration, stable operation and the like. But present many wedge band pulley all is that an organic whole moulds a material and makes, and it passes through interference fit with the steel pipe and realizes being connected, and the many wedge band pulley of this structure can lead to the result of being connected with the steel pipe worsen because of moulding a material's self characteristic after special operating mode or using for a long time, until can loosen with the steel pipe to make the roller comprehensive inefficacy.
Application number is CN 201721437105.9's utility model discloses a novel polywedge pulley subassembly, including wedge tooth district and linking portion, wedge tooth portion external diameter is less than the external diameter of linking portion, can guarantee wedge belt driven transmission efficiency, links up the portion including the binding off to the slope of wedge tooth portion, and the binding off of slope has formed buckling, has strengthened the anti radial bending force of this department. However, the multi-wedge pulley assembly with the structure is made of an integral plastic part material, and can be connected with a steel pipe and loosened after being used for a long time, so that the roller fails.
Accordingly, there is a need for improvements to existing v-ribbed pulley assemblies.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a multi-wedge pulley assembly with long service life and good use effect.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a multi-wedge belt wheel component comprises a multi-wedge belt wheel body and a rigid connecting sleeve;
the multi-wedge belt wheel body is sequentially provided with
A first annular receiving portion;
a second annular receiving portion having an outer peripheral diameter smaller than an outer peripheral diameter of the first annular receiving portion;
a third annular receiving portion having an outer peripheral diameter smaller than an outer peripheral diameter of the second annular receiving portion;
the rigid connecting sleeve comprises
The annular bearing body is sleeved with the periphery of the second annular bearing part;
the annular clamping body is used for being sleeved with the periphery of the third annular bearing part;
and the connector is used for connecting one axial end of the annular clamping body with the same axial end of the annular bearing body.
The multi-wedge belt pulley assembly is divided into the rigid connecting sleeve and the multi-wedge belt pulley body, the multi-wedge belt pulley body is integrally made of plastic materials, the multi-wedge belt pulley has the advantages of easiness in processing, low cost and the like, the rigid connecting sleeve is made of materials with high strength and hardness and can be stably connected with a steel pipe for a long time, so that the multi-wedge belt pulley assembly can be prevented from being loosened from the steel pipe after being used for a long time, the service life of the multi-wedge belt pulley assembly can be effectively prolonged, and the using effect of the multi-wedge belt pulley assembly can be effectively improved.
Preferably, the annular clamping body and the connecting body are provided with limiting ports;
and the periphery of the third annular bearing part is provided with a limiting block which is matched and connected with the limiting port.
Preferably, the limiting block is provided with a notch.
Preferably, a notch is formed at an axial end of the second annular receiving portion.
Preferably, the multi-v-ribbed pulley body further comprises
An annular wedge portion having an outer peripheral diameter smaller than an outer peripheral diameter of the first annular receiving portion;
and the transition connecting part is used for connecting the first annular bearing part and the annular wedge tooth part, and the outer peripheral diameter of the transition connecting part is gradually reduced from the first annular bearing part to the annular wedge tooth part.
Preferably, the transition connection part is provided with a transition connection part at the periphery
And the diameter of the reinforcing body is gradually reduced from the first annular bearing part to the annular wedge tooth part.
Preferably, it further comprises
The bearing is sleeved with the inner peripheral side of the multi-wedge belt wheel body and comprises a bearing inner ring body and a bearing outer ring body;
and the shaft sleeve is sleeved with the inner peripheral side of the bearing inner ring body.
Preferably, the inner periphery of the multi-wedge belt pulley body is provided with a limiting strip which abuts against one axial end of the bearing outer ring body, and the inner periphery of the multi-wedge belt pulley body is further provided with a limiting raised ring which abuts against the other axial end of the bearing outer ring body.
Preferably, an axial direction limiting groove for accommodating a part of the bearing inner ring body is formed on the outer peripheral side of the shaft sleeve.
Preferably, a protective body is further arranged at one axial end of the shaft sleeve.
Advantageous effects
The multi-wedge belt pulley assembly is divided into the rigid connecting sleeve and the multi-wedge belt pulley body, the multi-wedge belt pulley body is integrally made of plastic materials, the multi-wedge belt pulley has the advantages of easiness in processing, low cost and the like, the rigid connecting sleeve is made of materials with high strength and hardness and can be stably connected with a steel pipe for a long time, so that the multi-wedge belt pulley assembly can be prevented from being loosened from the steel pipe after being used for a long time, the service life of the multi-wedge belt pulley assembly can be effectively prolonged, and the using effect of the multi-wedge belt pulley assembly can be effectively improved; the multi-wedge belt pulley assembly can effectively ensure the bearing capacity of the multi-wedge belt pulley body and improve the transmission efficiency of the wedge belt, so that the logistics transmission is more stable.
Drawings
FIG. 1 is a schematic external view of a V-ribbed pulley assembly according to the present invention;
FIG. 2 is a schematic view of the internal structure of the V-ribbed pulley assembly of the present invention;
FIG. 3 is a schematic structural view of the multi-v-ribbed pulley body of the present invention;
FIG. 4 is a schematic structural view of the rigid connecting sleeve of the present invention;
FIG. 5 is a schematic view of the construction of the bearing of the present invention;
fig. 6 is a schematic structural view of the shaft sleeve of the present invention.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1, 3 and 4, the v-ribbed pulley assembly includes a v-ribbed pulley body and a rigid connecting sleeve. The multi-wedge belt wheel body is sequentially provided with a first annular bearing part 1, a second annular bearing part 2 and a third annular bearing part 3 along the axial direction. The outer peripheral diameter of the second annular receiving portion 2 is smaller than the outer peripheral diameter of the first annular receiving portion 1, and the outer peripheral diameter of the third annular receiving portion 3 is smaller than the outer peripheral diameter of the second annular receiving portion 2. The rigid connecting sleeve comprises an annular bearing body 4, an annular clamping body 5 and a connecting body 6. The annular bearing body 4 is used for being sleeved with the periphery of the second annular bearing part 2, the annular clamping body 5 is used for being sleeved with the periphery of the third annular bearing part 3, and the connecting body 6 is used for connecting one axial end of the annular clamping body 5 with the same axial end of the annular bearing body 4.
When the multi-wedge belt wheel body is assembled with the rigid connecting sleeve, the rigid connecting sleeve only needs to be inserted and sleeved on the multi-wedge belt wheel body, the assembly is very simple and convenient, and after the assembly, the annular bearing body 4 is tightly attached to the periphery of the second annular bearing part 2 and is abutted to the axial end of the first annular bearing part 1, so that the annular clamping body 5 is tightly attached to the periphery of the third annular bearing part 3. The multi-wedge belt pulley component is divided into the rigid connecting sleeve and the multi-wedge belt pulley body, the multi-wedge belt pulley body is integrally made of plastic materials, the multi-wedge belt pulley has the advantages of easiness in processing, low cost and the like, the rigid connecting sleeve is made of materials (such as alloy steel) with high strength and hardness and can be stably connected with the steel pipe for a long time, so that the multi-wedge belt pulley component can be prevented from being loosened from the steel pipe after being used for a long time, the service life of the multi-wedge belt pulley component can be effectively prolonged, and the using effect of the multi-wedge belt pulley component can be effectively improved.
The annular clamping body 5 and the connecting body 6 are provided with limiting openings, and the periphery of the third annular bearing part 3 is provided with a limiting block 3-1 which is matched and connected with the limiting openings. After the rigid connecting sleeve is assembled with the multi-wedge belt wheel body, the limiting block 3-1 is just positioned in the limiting opening, and the limiting block 3-1 and the limiting opening have the function of circumferential limiting, so that the rigid connecting sleeve is prevented from moving circumferentially relative to the multi-wedge belt wheel body, and the using effect of the multi-wedge belt wheel assembly is improved.
The limiting block 3-1 is provided with a notch 3-2, the notch 3-2 can be V-shaped, and the notch is arranged on the limiting block 3-1, so that on one hand, the whole weight of the multi-wedge pulley assembly can be reduced to improve the using effect of the multi-wedge pulley assembly, and on the other hand, the material cost of the multi-wedge pulley assembly can be saved.
The axial end of the second annular bearing part 2 is provided with a notch 2-1, the notch 2-1 is positioned between two adjacent limiting blocks 3-1, and the notch 2-1 is arranged as large as possible, so that on one hand, the whole weight of the multi-wedge pulley assembly can be reduced to improve the using effect of the multi-wedge pulley assembly, and on the other hand, the material cost of the multi-wedge pulley assembly can be saved.
The multi-v-ribbed pulley body further comprises an annular v-ribbed tooth portion 7 and a transition connecting portion 8. The outer circumferential diameter of the annular wedge portion 7 is smaller than the outer circumferential diameter of the first annular receiving portion 1. The transition connection portion 8 is used to connect the first annular receiving portion 1 and the annular wedge portion 7, and the outer peripheral diameter of the transition connection portion 8 is gradually reduced from the first annular receiving portion 1 to the annular wedge portion 7. The setting of transition connecting portion 8 makes the radial force that polywedge pulley subassembly and roller can bear here disperse by the structure of crooked turn, can effectively guarantee the bearing capacity of polywedge pulley body and can improve the transmission efficiency of wedge belt for commodity circulation transmission stability more.
The periphery of the transition connecting part 8 is provided with a reinforcing body 9, the diameter of the reinforcing body 9 is gradually reduced from the first annular bearing part 1 to the annular wedge tooth part 7, and the bearing capacity of the multi-wedge belt wheel body can be further improved through the arrangement of the reinforcing body 9.
As shown in fig. 2, 5 and 6, the multi-v-pulley assembly of the present invention further includes a bearing 10 and a shaft sleeve 11, wherein the bearing 10 is sleeved on the inner peripheral side of the multi-v-pulley body, and includes a bearing inner ring body and a bearing outer ring body, and the shaft sleeve 11 is sleeved on the inner peripheral side of the bearing inner ring body. Due to the arrangement of the shaft sleeve 11, the direct contact connection between the bearing 10 and the through shaft can be avoided, on one hand, the connection effect between the bearing 10 and the through shaft is improved, and the transmission efficiency of the multi-wedge pulley assembly is indirectly improved; on the other hand, the mutual abrasion of the bearing 10 and the through shaft can be reduced.
The inner periphery of the multi-wedge belt wheel body is provided with a limiting strip 12 which is abutted against one axial end of the bearing outer ring body, and the inner periphery of the multi-wedge belt wheel body is also provided with a limiting raised ring which is abutted against the other axial end of the bearing outer ring body. The setting of spacing strip 12 and spacing bulge loop can be used to installation bearing 10 on the one hand, and on the other hand can increase the bulk strength of many wedges band pulley body to improve the bearing capacity of many wedges band pulley body.
The outer periphery of the shaft sleeve 11 is provided with an axial limiting groove for accommodating a part of the bearing inner ring body, and the axial limiting groove is used for installing the bearing 10 and further limiting the bearing 10. The axial end of the shaft sleeve 11 is also provided with a protective body 11-1, and the protective body 11-1 is arranged, so that on one hand, a cavity opening at one axial end of the multi-wedge belt wheel body can be blocked, and the influence of dust and the like entering the cavity opening on the service performance and the service life of the bearing 10 is avoided; on the other hand, the overall strength of the shaft sleeve 11 can be enhanced, so that the installation effect of the through shaft is better, and the using effect of the multi-wedge pulley assembly is better.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.
Claims (10)
1. A multi-wedge pulley assembly characterized by: comprises a multi-wedge belt wheel body and a rigid connecting sleeve;
the multi-wedge belt wheel body is sequentially provided with
A first annular receiving portion (1);
a second annular receiving portion (2), the outer peripheral diameter of the second annular receiving portion (2) being smaller than the outer peripheral diameter of the first annular receiving portion (1);
a third annular receiving portion (3), the outer peripheral diameter of the third annular receiving portion (3) being smaller than the outer peripheral diameter of the second annular receiving portion (2);
the rigid connecting sleeve comprises
An annular receiving body (4) for being fitted around the outer periphery of the second annular receiving portion (2);
the annular clamping body (5) is sleeved with the periphery of the third annular bearing part (3);
and the connector (6) is used for connecting one axial end of the annular clamping body (5) with the same axial end of the annular bearing body (4).
2. The v-ribbed pulley assembly according to claim 1, wherein: the annular clamping body (5) and the connecting body (6) are provided with limiting ports;
the periphery of the third annular bearing part (3) is provided with a limiting block (3-1) which is matched and connected with the limiting opening.
3. A v-ribbed pulley assembly according to claim 2, wherein: the limiting block (3-1) is provided with a notch (3-2).
4. The v-ribbed pulley assembly according to claim 1, wherein: the axial end of the second annular bearing part (2) is provided with a notch (2-1).
5. The v-ribbed pulley assembly according to claim 1, wherein: the multi-wedge pulley body further comprises
An annular wedge portion (7), an outer circumferential diameter of the annular wedge portion (7) being smaller than an outer circumferential diameter of the first annular receiving portion (1);
and the transition connecting part (8) is used for connecting the first annular bearing part (1) and the annular wedge tooth part (7), and the outer peripheral diameter of the transition connecting part (8) is gradually reduced from the first annular bearing part (1) to the annular wedge tooth part (7).
6. The v-ribbed pulley assembly according to claim 5, wherein: the periphery of the transition connecting part (8) is provided with
And the diameter of the reinforcing body (9) is gradually reduced from the first annular bearing part (1) to the annular wedge tooth part (7).
7. The v-ribbed pulley assembly according to claim 5, wherein: also comprises
The bearing (10) is sleeved with the inner peripheral side of the multi-wedge belt wheel body and comprises a bearing inner ring body and a bearing outer ring body;
and a shaft sleeve (11) which is sleeved with the inner peripheral side of the bearing inner ring body.
8. The v-ribbed pulley assembly according to claim 7, wherein: the inner periphery of the multi-wedge belt wheel body is provided with a limiting strip (12) which is abutted against one axial end of the bearing outer ring body, and the inner periphery of the multi-wedge belt wheel body is also provided with a limiting raised ring which is abutted against the other axial end of the bearing outer ring body.
9. The v-ribbed pulley assembly according to claim 7, wherein: the outer peripheral side of the shaft sleeve (11) is provided with an axial limiting groove for accommodating part of the bearing inner ring body.
10. The v-ribbed pulley assembly according to claim 9, wherein: and a protective body (11-1) is further arranged at one axial end of the shaft sleeve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120566792.4U CN215673469U (en) | 2021-03-19 | 2021-03-19 | Multi-wedge belt pulley assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120566792.4U CN215673469U (en) | 2021-03-19 | 2021-03-19 | Multi-wedge belt pulley assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215673469U true CN215673469U (en) | 2022-01-28 |
Family
ID=79969861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120566792.4U Active CN215673469U (en) | 2021-03-19 | 2021-03-19 | Multi-wedge belt pulley assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215673469U (en) |
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2021
- 2021-03-19 CN CN202120566792.4U patent/CN215673469U/en active Active
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