CN219282361U

CN219282361U - Belt pulley assembly

Info

Publication number: CN219282361U
Application number: CN202222934121.6U
Authority: CN
Inventors: 葛新; 曹亮
Original assignee: Zhejiang Bopai Intelligent Technology Co ltd
Current assignee: Zhejiang Bopai Intelligent Technology Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-06-30
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a belt pulley assembly, which relates to the technical field of belt pulleys and comprises a belt pulley and a crankshaft, wherein the crankshaft is arranged on one side of the belt pulley, a slot is formed in the middle of one side of the belt pulley, which is close to the crankshaft, one end of the crankshaft is inserted into the slot, a groove is formed in the other side of the belt pulley, the belt pulley is fixedly connected with the crankshaft through a bolt, and a nut of the bolt is positioned in the groove. According to the utility model, the structure of the belt pulley assembly is simplified, the belt pulley and the crankshaft are directly fixed through the bolts, the structure is simple, the assembly is convenient, one end of the crankshaft is inserted into the slot, meanwhile, the limit slot and the limit block are limited, the stability is good, the attractiveness is high, and the practicability is strong.

Description

Belt pulley assembly

Technical Field

The utility model relates to the technical field of belt pulleys, in particular to a belt pulley assembly.

Background

The existing high-efficiency engine in the market at present adopts the variable oil pump, and the crank pulley subassembly of wherein includes crank pulley 1, crank pulley bolt 2, bent axle 4, oil pump sprocket 5, bent axle timing sprocket 6 and sprocket spline 9, and wherein bent axle timing sprocket 6 and oil pump sprocket 5 independently exist, and the equipartition has following several problems at bent axle 4 front end: the crankshaft timing chain wheel and the engine oil pump chain wheel exist independently, so that the size chain number of the front-section gear train can be increased, and the planeness of the gear train is affected; the crankshaft timing chain wheel and the oil pump chain wheel exist independently, two chain wheel splines are needed, the number of system parts is increased, and meanwhile, the assembly procedure of a production line is increased; the crankshaft timing chain wheel and the oil pump chain wheel exist independently, and the crankshaft timing chain wheel, the oil pump chain wheel, the crankshaft pulley and the crankshaft are required to be matched with the processing technology, so that the cost of parts is increased.

Accordingly, it is necessary to invent a pulley assembly to solve the above problems.

Disclosure of Invention

The present utility model is directed to a pulley assembly that solves the above-mentioned problems with the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a belt pulley assembly, includes belt pulley and bent axle, one side of belt pulley is provided with the bent axle, the one side middle part that the belt pulley is close to the bent axle is offered the slot, and the one end of bent axle inserts inside the slot, the opposite side of belt pulley is offered flutedly, belt pulley and bent axle pass through bolt fixed connection, and the nut of bolt is located inside the recess, cup joint and be provided with the sprocket on the bent axle, slot opening both sides are all fixed and are provided with the stopper, and the opening both sides that the sprocket is close to the belt pulley all have offered the spacing groove with stopper looks adaptation.

Preferably, the inner wall of the slot is fixedly provided with a wear-resistant layer, and the wear-resistant layer is in fit connection with the crankshaft.

The utility model has the technical effects and advantages that:

according to the utility model, the structure of the belt pulley assembly is simplified, the belt pulley and the crankshaft are directly fixed through the bolts, the structure is simple, the assembly is convenient, one end of the crankshaft is inserted into the slot, meanwhile, the limit slot and the limit block are limited, the stability is good, the attractiveness is high, and the practicability is strong.

Drawings

Fig. 1 is a schematic overall sectional view of the present utility model.

Fig. 2 is an enlarged schematic view of the structure a of fig. 1 according to the present utility model.

In the figure: 1. a belt pulley; 2. a crankshaft; 3. a sprocket; 4. a slot; 5. a limit groove; 6. a limiting block; 7. a groove; 8. and a wear-resistant layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a belt pulley assembly shown in figures 1 and 2, which comprises a belt pulley 1 and a crankshaft 2, wherein one side of the belt pulley 1 is provided with the crankshaft 2, a slot 4 is formed in the middle of one side, close to the crankshaft 2, of the belt pulley 1, one end of the crankshaft 2 is inserted into the slot 4, a groove 7 is formed in the other side of the belt pulley 1, the belt pulley 1 and the crankshaft 2 are fixedly connected through bolts, a nut of the bolts is positioned in the groove 7, a chain wheel 3 is sleeved on the crankshaft 2, limiting blocks 6 are fixedly arranged on two sides of the opening of the slot 4, limiting grooves 5 matched with the limiting blocks 6 are formed on two sides of the opening of the chain wheel 3, close to the belt pulley 1, of the belt pulley assembly, the belt pulley 1 and the crankshaft 2 are directly fixed through the bolts through the simple structure, the assembly is convenient, one end of the crankshaft 2 is inserted into the slot 4, meanwhile, the limiting grooves 5 and the limiting blocks 6 are limited, the stability is good, the attractiveness is high, and the practicability is strong.

Further, the inner wall of the slot 4 is fixedly provided with a wear-resistant layer 8, and the wear-resistant layer 8 is in fit connection with the crankshaft 2.

The working principle of the utility model is as follows:

during the use, through simplifying the structure of belt pulley assembly, through the bolt direct fixation between belt pulley 1 and the bent axle 2, simple structure, convenient assembly to insert slot 4 through the one end of bent axle 2, spacing groove 5 and stopper 6 are spacing simultaneously, and stability is good, and pleasing to the eye degree is high simultaneously, and the practicality is strong.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A pulley assembly, characterized by: including belt pulley (1) and bent axle (2), one side of belt pulley (1) is provided with bent axle (2), slot (4) have been seted up in the middle part of one side that belt pulley (1) is close to bent axle (2), and inside slot (4) are inserted to the one end of bent axle (2), recess (7) have been seted up to the opposite side of belt pulley (1), belt pulley (1) and bent axle (2) pass through bolt fixed connection, and the nut of bolt is located recess (7) inside, cup joint on bent axle (2) and be provided with sprocket (3), slot (4) opening both sides are all fixed and are provided with stopper (6), and sprocket (3) are close to the open both sides of belt pulley (1) all seted up spacing groove (5) with stopper (6) looks adaptation.

2. A pulley assembly as in claim 1, wherein: the inner wall of the slot (4) is fixedly provided with a wear-resistant layer (8), and the wear-resistant layer (8) is in fit connection with the crankshaft (2).