CN210265768U

CN210265768U - Integrated crankshaft pulley

Info

Publication number: CN210265768U
Application number: CN201921313542.9U
Authority: CN
Inventors: 张寿权; 黄第云; 蔡小伟; 何广鸿
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-04-07
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses an integrated form crank pulley, include: belt pulley main part, many wedge pulleys, signal disc and V type belt pulley. The rear end of the belt pulley main body is fixedly connected with the crankshaft; the multi-wedge belt wheel is arranged in the middle of the belt wheel main body and is provided with a multi-wedge belt wheel groove; the signal panel is arranged at the front end of the belt pulley main body; the V-shaped belt pulley is arranged at the front end of the belt pulley main body; wherein, the front end face of belt pulley main part has the fastening bolt installation department of fretwork. Therefore, the utility model discloses an integrated form bent axle belt pulley, simple structure is reasonable, has improved assembly efficiency.

Description

Integrated crankshaft pulley

Technical Field

The utility model relates to an engine parts technical field especially relates to an integrated form crank pulley.

Background

The crankshaft pulley is one of the mechanism of engine power transmission, and it plays the effect of transmission power in the operation process, installs in the outer end of bent axle front end bumper shock absorber usually, and the crankshaft pulley monomer does not have the effect of damping, and bent axle rotational speed signal disc and crankshaft pulley are two solitary spare parts, and the installation signal disc needs install alone and fasten, greatly reduced assembly efficiency.

How to improve the operational stability, reliability and assembly efficiency of the crank pulley is a matter of consideration for those skilled in the art.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integrated form crankshaft pulley, its simple structure is reasonable, has improved assembly efficiency.

In order to achieve the above object, the utility model provides an integrated form crank pulley, include: belt pulley main part, many wedge pulleys, signal disc and V type belt pulley. The rear end of the belt pulley main body is fixedly connected with the crankshaft; the multi-wedge belt wheel is arranged in the middle of the belt wheel main body and is provided with a multi-wedge belt wheel groove; the signal panel is arranged at the front end of the belt pulley main body; the V-shaped belt pulley is arranged at the front end of the belt pulley main body; wherein, the front end face of belt pulley main part has the fastening bolt installation department of fretwork.

In a preferred embodiment, the pulley body is circular, the outer edge of the pulley body is multi-step, and the axis of the pulley body is hollow.

In a preferred embodiment, the V-pulley is a single-groove V-pulley.

In a preferred embodiment, the rear end of the pulley body has a connecting portion, a sealing portion, and a keyway; the connecting part is used for being sleeved into the front end face of the crankshaft and is connected with the crankshaft in a positioning mode through a key groove; wherein, the sealing part is used for sealing the gear chamber.

In a preferred embodiment, the fastening bolt mounting portion is used for mounting and tightening a fastening bolt.

In a preferred embodiment, the sealing portion is cylindrical.

In a preferred embodiment, the integrated type crank pulley further comprises a balancing weight, the balancing weight is arranged symmetrically in a V shape, and the balancing weight is close to the sealing portion.

Compared with the prior art, according to the utility model discloses an integrated form crankshaft pulley, simple structure is reasonable, has improved assembly efficiency, and has still improved crankshaft pulley's operating stability and reliability.

Drawings

Fig. 1 is a schematic front view of an integrated crank pulley according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of an integrated crank pulley according to an embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view of an integrated crank pulley according to an embodiment of the present invention.

Description of the main reference numerals:

1-belt pulley body, 2-sealing part, 3-balancing weight, 4-multi-wedge belt pulley, 5-signal panel, 6-V type belt pulley, 7-fastening bolt mounting part, 8-key groove and 9-connecting part.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

As shown in fig. 1 to 3, fig. 1 is a front view schematic diagram of an integrated crank pulley according to an embodiment of the present invention; fig. 2 is a schematic perspective view of an integrated crank pulley according to an embodiment of the present invention; fig. 3 is a schematic cross-sectional view of an integrated crank pulley according to an embodiment of the present invention.

According to the utility model discloses preferred embodiment's an integrated form crank pulley, include: pulley body 1, multi-wedge pulley 4, signal disc 5 and V-type pulley 6. The rear end of the belt pulley body 1 is fixedly connected with a crankshaft; the multi-wedge belt wheel 4 is arranged in the middle of the belt wheel main body 1, and the multi-wedge belt wheel 4 is provided with a multi-wedge belt wheel 4 groove; the signal panel 5 is arranged at the front end of the belt pulley body 1; the V-shaped belt pulley 6 is arranged at the front end of the belt pulley body 1; wherein, the front end face of the belt pulley main body 1 is provided with a hollow fastening bolt mounting part 7. The utility model discloses a carry out the integration with crank pulley and signal disc 5, compare traditional crank pulley structure, reduced signal disc 5 and installed alone and fasten, improved assembly efficiency.

In a preferred embodiment, the pulley body 1 is circular, the outer edge of the pulley body 1 is multi-step, and the axis of the pulley body 1 is hollow; the V-shaped belt pulley 6 is a single-groove V-shaped belt pulley 6.

In a preferred embodiment, the rear end of the pulley body 1 has a connecting portion 9, a sealing portion 2, and a keyway 8; the connecting part 9 is used for being sleeved into the front end face of the crankshaft and is connected with the crankshaft in a positioning mode through a key groove 8; wherein, the sealing part 2 is used for sealing the gear chamber.

In a preferred embodiment, the fastening bolt mounting portion 7 is used for mounting and tightening a fastening bolt; the sealing part 2 is cylindrical; integrated form crank pulley still includes balancing weight 3, and balancing weight 3 is V type symmetrical arrangement, and balancing weight 3 is close to sealing portion 2.

In practical application, the utility model discloses an integrated form crankshaft pulley, including crankshaft pulley main part 1, crankshaft pulley main part 1 is circular multiple step fretwork form, its rear end is 2 with the sealing of bent connection and closed gear room, balancing weight 3 has been arranged to close sealing 2, pk multiple wedge belt pulley 4 has been arranged to the centre, signal disc 5 and single groove V type belt pulley 6 have been arranged to the front end integration, the fastening bolt installation department 7 of fretwork has been arranged to the preceding terminal surface, crankshaft pulley main part 1 passes through keyway 8 and connecting portion 9 and realizes being connected with the bent axle location. Because the utility model integrates the traditional crankshaft pulley and the crankshaft rotating speed signal panel 5, compared with the traditional crankshaft pulley structure, the single installation and fastening of the signal panel 5 can be reduced, and the assembly efficiency is improved; during assembly, the connecting part 9 of the crankshaft belt pulley is sleeved into the front end face of the crankshaft, and then the fastening bolt is installed and fastened at the fastening bolt installing part 7, so that the assembly is simple.

In a word, the utility model discloses an integrated form crank pulley, simple structure is reasonable, has improved assembly efficiency, and has still improved crank pulley's operating stability and reliability.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. An integrated pulley block, comprising:

the rear end of the belt pulley body is fixedly connected with the crankshaft;

the multi-wedge belt wheel is arranged in the middle of the belt wheel main body and is provided with a multi-wedge belt wheel groove;

the signal panel is arranged at the front end of the belt pulley main body; and

the V-shaped belt pulley is arranged at the front end of the belt pulley main body;

the front end face of the belt pulley main body is provided with a hollowed fastening bolt mounting part.

2. The integrated pulley according to claim 1, wherein the pulley body is circular, the outer rim of the pulley body is multi-stepped, and the axial center of the pulley body is hollowed.

3. The integrated pulley according to claim 1 wherein the V-shaped pulley is a single-groove V-shaped pulley.

4. The integrated pulley according to claim 1, wherein the pulley body has a coupling portion, a sealing portion, and a keyway at a rear end thereof;

the connecting part is used for being sleeved into the front end face of the crankshaft and is connected with the crankshaft in a positioning mode through the key groove;

wherein, the sealing part is used for sealing the gear chamber.

5. The integrated pulley according to claim 1, wherein the fastening bolt mounting portion is adapted for mounting and tightening of a fastening bolt.

6. The integrated pulley according to claim 4, wherein the seal is cylindrical.

7. The integrated pulley according to claim 4 further comprising weights symmetrically arranged in a V-shape, wherein the weights are located proximate to the seal.