CN203413087U

CN203413087U - Gear

Info

Publication number: CN203413087U
Application number: CN201320499810.7U
Authority: CN
Inventors: 张建春
Original assignee: NINGBO YINZHOU HENGTAI ELECTROMECHANICAL CO Ltd
Current assignee: NINGBO YINZHOU HENGTAI ELECTROMECHANICAL CO Ltd
Priority date: 2013-08-15
Filing date: 2013-08-15
Publication date: 2014-01-29
Anticipated expiration: 2023-08-15

Abstract

The utility model discloses a gear belonging to a part for transmission on an electric vehicle. The gear comprises a steel base body, wherein an installing hole is formed in the base body, one circle of first annular groove is formed in the outer circumferential wall of the base body, a first annular insert made of a nylon material is poured in the first annular groove, a plurality of first teeth are processed on the outer circumferential surface of the base body, a plurality of second teeth are simultaneously processed on the outer circumferential surface of the first annular insert, and the plurality of first teeth and the plurality of second teeth are in one-to-one correspondence to form complete teeth. The gear disclosed by the utility model has the advantages of high strength, and small noise during working.

Description

Gear

Technical field:

The utility model relates to the component for transmission in a kind of electric motor car, is specifically a kind of gear.

Background technique:

At present, the gear being used in electric motor car reducing gear mainly contains two kinds, a kind of is the gear of iron and steel material quality, another kind is the gear of nylon material, the strength of gear teeth of iron and steel material quality is higher but when work, have the shortcoming that noise is large, and it is low but have the shortcoming that intensity is little that the gear of nylon material has noise when work.

Model utility content:

The technical problems to be solved in the utility model is, provides that a kind of not only to have intensity higher and when work, have a gear of the less advantage of noise.

Technical solution of the present utility model is, provide a kind of gear with following structure: the matrix that comprises iron and steel material quality, matrix is provided with mounting hole, wherein, the periphery wall of matrix is provided with a circle first ring connected in star, in first ring connected in star, be cast with the first annular insert of nylon material, on the periphery of matrix, be processed with a plurality of the first teeth, on the periphery of the first annular insert, be processed with a plurality of the second teeth, a plurality of the first teeth and a plurality of the second teeth are the complete teeth of corresponding composition one by one simultaneously.

Gear described in the utility model, wherein, is evenly equipped with a plurality of the first through holes that communicate with first ring connected in star on the two side of matrix, be cast with the first inserts of nylon material in the first through hole, and the first inserts and the first annular insert are an overall structure.

Gear described in the utility model, wherein, the first ring connected in star bottom on matrix is evenly equipped with a plurality of the second through holes that communicate with mounting hole, is cast with the second inserts of nylon material in the second through hole, and the second inserts and the first annular insert are an overall structure.

Gear described in the utility model, wherein, first ring connected in star bottom on matrix is provided with circle second annular groove, the opening of the second annular groove is narrow, bottom is wide, in the second annular groove, be cast with the second annular insert of nylon material, the two side of the first ring connected in star on matrix is provided with the 3rd symmetrical annular groove, is cast with the 3rd annular insert of nylon material in the 3rd annular groove, and the second annular insert, the 3rd annular insert and the first annular insert are an overall structure.

Adopt after above structure, compared with prior art, the utility model gear has the following advantages: because the periphery wall of the matrix of the utility model gear is provided with a circle first ring connected in star, in first ring connected in star, be cast with the first annular insert of nylon material, on the periphery of matrix, be processed with a plurality of the first teeth, on the periphery of the first annular insert, be processed with a plurality of the second teeth simultaneously, a plurality of the first teeth and a plurality of the second teeth are the complete teeth of corresponding composition one by one, the two ends that is to say the teeth that each is complete are iron and steel material quality, centre is nylon material, the teeth of iron and steel material quality have advantages of that intensity is high, the teeth of nylon material have advantages of that noise is little, therefore, it is higher that the utility model gear has had intensity simultaneously, the less advantage of noise during work.

The effect of the first inserts is: when teeth are stressed, prevent that the relative matrix of the first annular insert of nylon material from rotating, played the effect of anti-rotation, can prevent that the relative matrix of the first annular insert from moving radially simultaneously.

The effect of the second inserts is: when teeth are stressed, prevent that the relative matrix of the first annular insert of nylon material from rotating, played the effect of anti-rotation.

The effect of the second annular insert, the 3rd annular insert is: when teeth are subject to radial component, can prevent that the relative matrix of the first annular insert of nylon material from moving radially.

Accompanying drawing explanation:

Fig. 1 is the main TV structure schematic diagram of the utility model gear;

Fig. 2 is Fig. 1 " A-A " sectional structure schematic diagram;

Fig. 3 is the main TV structure schematic diagram while having the first inserts in the utility model gear;

Fig. 4 is Fig. 3 " B-B " sectional structure schematic diagram;

Fig. 5 is the main TV structure schematic diagram while having the second inserts in the utility model gear;

Fig. 6 is Fig. 5 " C-C " sectional structure schematic diagram;

Fig. 7 is the main TV structure schematic diagram while simultaneously having the first inserts and the second inserts in the utility model gear;

Fig. 8 is Fig. 7 " D-D " sectional structure schematic diagram;

Fig. 9 is the main TV structure schematic diagram while having the second annular insert and the 3rd annular insert in the utility model gear;

Figure 10 is Fig. 9 " E-E " sectional structure schematic diagram.

Specific embodiment:

Below in conjunction with the drawings and specific embodiments, the utility model gear is described further:

Embodiment 1,

As depicted in figs. 1 and 2, the utility model gear comprises the matrix 1 of iron and steel material quality, matrix 1 is provided with mounting hole 2, the periphery wall of matrix 1 is provided with a circle first ring connected in star 3, in first ring connected in star 3, be cast with the first annular insert 4 of nylon material, on the periphery of matrix 1, be processed with on the periphery of a plurality of the first teeth 14, the first annular insert 4 and be processed with a plurality of the second teeth 5 simultaneously, a plurality of the first teeth 14 and a plurality of the second teeth 5 are corresponding one by one forms complete teeth.

Embodiment 2,

As shown in Figure 3 and Figure 4, the utility model gear comprises the matrix 1 of iron and steel material quality, matrix 1 is provided with mounting hole 2, the periphery wall of matrix 1 is provided with a circle first ring connected in star 3, in first ring connected in star 3, be cast with the first annular insert 4 of nylon material, on the two side of matrix 1, be evenly equipped with six the first through holes 6 that communicate with first ring connected in star 3, in the first through hole 6, be cast with the first inserts 7 of nylon material, the first inserts 7 and the first annular insert 4 are an overall structure, on the periphery of matrix 1, be processed with a plurality of the first teeth 14, on the periphery of the first annular insert 4, be processed with a plurality of the second teeth 5 simultaneously, a plurality of the first teeth 14 and a plurality of the second teeth 5 are the complete teeth of corresponding composition one by one.

Embodiment 3,

As shown in Figure 5 and Figure 6, the utility model gear comprises the matrix 1 of iron and steel material quality, matrix 1 is provided with mounting hole 2, the periphery wall of matrix 1 is provided with a circle first ring connected in star 3, in first ring connected in star 3, be cast with the first annular insert 4 of nylon material, first ring connected in star 3 bottoms on matrix 1 are evenly equipped with four the second through holes 8 that communicate with mounting hole 2, in the second through hole 8, be cast with the second inserts 9 of nylon material, the second inserts 9 and the first annular insert 4 are an overall structure, on the periphery of matrix 1, be processed with a plurality of the first teeth 14, on the periphery of the first annular insert 4, be processed with a plurality of the second teeth 5 simultaneously, a plurality of the first teeth 14 and a plurality of the second teeth 5 are the complete teeth of corresponding composition one by one.

Embodiment 4,

As shown in Figure 7 and Figure 8, the utility model gear comprises the matrix 1 of iron and steel material quality, matrix 1 is provided with mounting hole 2, the periphery wall of matrix 1 is provided with a circle first ring connected in star 3, in first ring connected in star 3, be cast with the first annular insert 4 of nylon material, on the two side of matrix 1, be evenly equipped with six the first through holes 6 that communicate with first ring connected in star 3, in the first through hole 6, be cast with the first inserts 7 of nylon material, first ring connected in star 3 bottoms on matrix 1 are evenly equipped with four the second through holes 8 that communicate with mounting hole 2, in the second through hole 8, be cast with the second inserts 9 of nylon material, the first inserts 7, the second inserts 9 and the first annular insert 4 are an overall structure, on the periphery of matrix 1, be processed with a plurality of the first teeth 14, on the periphery of the first annular insert 4, be processed with a plurality of the second teeth 5 simultaneously, a plurality of the first teeth 14 and a plurality of the second teeth 5 are the complete teeth of corresponding composition one by one.

Embodiment 5,

As shown in Figure 9 and Figure 10, the utility model gear comprises the matrix 1 of iron and steel material quality, matrix 1 is provided with mounting hole 2, the periphery wall of matrix 1 is provided with a circle first ring connected in star 3, in first ring connected in star 3, be cast with the first annular insert 4 of nylon material, first ring connected in star 3 bottoms on matrix 1 are provided with circle second annular groove 12, the opening of the second annular groove 12 is narrow, bottom is wide, in the second annular groove 12, be cast with the second annular insert 13 of nylon material, the two side of the first ring connected in star 3 on matrix 1 is provided with the 3rd symmetrical annular groove 10, in the 3rd annular groove 10, be cast with the 3rd annular insert 11 of nylon material, the second annular insert 13, the 3rd annular insert 11 and the first annular insert 4 are an overall structure, on the periphery of matrix 1, be processed with a plurality of the first teeth 14, on the periphery of the first annular insert 4, be processed with a plurality of the second teeth 5 simultaneously, a plurality of the first teeth 14 and a plurality of the second teeth 5 are the complete teeth of corresponding composition one by one.

Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model; as the change of the quantity of the first through hole 6 and the second through hole 8, all should fall in the definite protection domain of the utility model claims.

Claims

1. a gear, the matrix (1) that comprises iron and steel material quality, described matrix (1) is provided with mounting hole (2), it is characterized in that: the periphery wall of described matrix (1) is provided with a circle first ring connected in star (3), in described first ring connected in star (3), be cast with first annular insert (4) of nylon material, on the periphery of described matrix (1), be processed with a plurality of the first teeth (14), on the periphery of the first annular insert (4), be processed with a plurality of the second teeth (5) simultaneously, described a plurality of the first teeth (14) and a plurality of the second teeth (5) are the complete teeth of corresponding composition one by one.

2. gear according to claim 1, it is characterized in that: on the two side of described matrix (1), be evenly equipped with a plurality of the first through holes (6) that communicate with first ring connected in star (3), in described the first through hole (6), be cast with first inserts (7) of nylon material, described the first inserts (7) is an overall structure with the first annular insert (4).

3. gear according to claim 1 and 2, it is characterized in that: first ring connected in star (3) bottom on described matrix (1) is evenly equipped with a plurality of the second through holes (8) that communicate with mounting hole (2), in described the second through hole (8), be cast with second inserts (9) of nylon material, described the second inserts (9) is an overall structure with the first annular insert (4).

4. gear according to claim 1, it is characterized in that: first ring connected in star (3) bottom on described matrix (1) is provided with circle second annular groove (12), the opening of described the second annular groove (12) is narrow, bottom is wide, in described the second annular groove (12), be cast with second annular insert (13) of nylon material, the two side of the first ring connected in star (3) on described matrix (1) is provided with the 3rd symmetrical annular groove (10), in described the 3rd annular groove (10), be cast with the 3rd annular insert (11) of nylon material, described the second annular insert (13), the 3rd annular insert (11) and the first annular insert (4) are an overall structure.