CN217029856U

CN217029856U - Gear for electric automobile

Info

Publication number: CN217029856U
Application number: CN202220716613.5U
Authority: CN
Inventors: 丁彬
Original assignee: Zhejiang Zhongping Powder Metallurgy Co Ltd
Current assignee: Zhejiang Zhongping Powder Metallurgy Co Ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-07-22
Anticipated expiration: 2032-03-30

Abstract

The utility model discloses a gear for an electric automobile, which relates to the technical field of gears and comprises a gear main body, wherein the gear main body comprises a gear core body, a gear clamping seat and a gear outer ring; the gear core body further comprises a first clamping block integrally formed with the gear core body, a first connecting hole is formed in the front face of the first clamping block, and a first bolt is connected to the inner side wall of the first connecting hole in a threaded mode; the inside wall of gear cassette offers the first draw-in groove with first fixture block looks adaptation, and the groove of making an uproar falls has been offered to the outer wall of gear cassette, and the inside wall in the groove of making an uproar falls to fill and is provided with and fall the cotton of making an uproar. This gear for electric automobile, gear outer lane, gear cassette and gear core are respectively through first fixture block, first draw-in groove, second fixture block, second cassette joint as an organic whole to make things convenient for personnel to dismantle and assemble, can carry out the pertinence when single part takes place to damage and change, thereby reduce the maintenance cost, change different gear outer lanes and can realize connecting different drive device, thereby improve the suitability of this gear body.

Description

Gear for electric automobile

Technical Field

The utility model relates to the technical field of gears, in particular to a gear for an electric automobile.

Background

The gear is a mechanical element which transfers motion and power by means of mutual meshing between gear teeth, and the gear can realize the functions of changing rotating speed and torque, changing motion direction or changing motion form by means of matching transmission with other toothed mechanical parts.

At present, the following problems exist in the actual use and machining process of the existing gear: the shape structure of present gear is mostly the integrated into one piece structure, needs artifical use tools to demolish the whole mounted position department of gear at the change in-process, then leads to whole gear to scrap when the gear tooth wearing and tearing.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

In order to overcome the defects in the prior art, the utility model provides a gear for an electric automobile, which solves the problems in the background art.

Technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the gear for the electric automobile comprises a gear body, wherein the gear body comprises a gear core body, a gear clamping seat and a gear outer ring; the gear core body further comprises a first clamping block integrally formed with the gear core body, a first connecting hole is formed in the front face of the first clamping block, and a first bolt is connected to the inner side wall of the first connecting hole in a threaded mode; the inner side wall of the gear clamping seat is provided with a first clamping groove matched with the first clamping block, the outer wall of the gear clamping seat is provided with a noise reduction groove, noise reduction cotton is filled in the inner side wall of the noise reduction groove, and the outer wall of the gear clamping seat further comprises a second clamping block integrally formed with the gear clamping seat; the inside wall of gear outer lane is seted up the second draw-in groove with second fixture block looks adaptation, the gear outer lane still includes the tooth with gear outer lane integrated into one piece, is provided with the buffer block between two teeth.

Optionally, a first threaded hole matched with the first bolt is formed in the inner bottom wall of the first clamping groove, the end, penetrating into the first clamping block, of the first bolt abuts against the inner bottom wall of the first threaded hole, and the first clamping groove and the first clamping block can facilitate a person to assemble the gear core body and the gear clamping seat into a whole.

Optionally, a mounting groove is formed in the middle of the front face of the gear core body, a plurality of spline grooves are formed in the inner wall of the mounting groove, the spline grooves are annularly arrayed on the inner wall of the mounting groove, and the spline grooves are conveniently connected with other gears or external equipment.

Optionally, the number of the noise reduction grooves and the number of the noise reduction cotton are eight, the noise reduction cotton is in clearance fit with the noise reduction grooves, and the noise reduction cotton can reduce noise generated when gears are meshed.

Optionally, a second connecting hole is formed in the front face of the second clamping block, and a second bolt is in threaded connection with the inner side wall of the second connecting hole, so that the second clamping block and the second clamping groove are conveniently connected and fixed.

Optionally, a second threaded hole matched with a second bolt is formed in the inner side wall of the second clamping groove, and one end, penetrating through the second clamping block, of the second bolt abuts against the inner bottom wall of the second threaded hole.

Optionally, the back of the gear outer ring is fixedly connected with an extension portion, and the middle of the extension portion is fixedly connected with a gear shaft.

Optionally, the gear outer ring can be replaced by a worm wheel outer ring, worm wheel teeth are fixedly connected to the surface of the worm wheel outer ring, the inner part of the worm wheel outer ring is the same as the inner structure of the gear outer ring, and different gear outer rings can be replaced to adapt to different working environments.

Advantageous effects

The utility model provides a gear for an electric automobile, which has the following beneficial effects:

this gear for electric automobile, through the gear outer lane, the gear cassette, the gear core body, it is cotton to fall to make an uproar, first fixture block, first draw-in groove, the second fixture block, the setting of second cassette and buffer block, the gear outer lane, gear cassette and gear core body are respectively through first fixture block, first draw-in groove, the second fixture block, second cassette joint is integrative, thereby make things convenient for personnel to dismantle and assemble, can carry out the pertinence when single part takes place to damage and change, thereby reduce the maintenance cost, change different gear outer lanes and can realize connecting different drive device, thereby improve the suitability of this gear body, can play the buffering and the purpose of making an uproar of falling at the gear engagement tooth through the setting up of falling cotton and buffer block of making an uproar.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a split structure according to the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic front view of the present invention;

FIG. 5 is a schematic view of a second embodiment of the present invention.

In the figure: 1-a gear body, 101-a gear core body, 102-a gear clamping seat, 103-a gear outer ring, 104-, 2-a first clamping block, 3-a first connecting hole, 4-a first bolt, 5-a first clamping groove, 6-a noise reduction groove, 7-noise reduction cotton, 8-a second clamping block, 9-a second clamping groove, 10-teeth, 11-a buffer block, 12-a spline groove, 13-a second bolt, 14-an extension part, 15-a gear shaft, 16-a second connecting hole and 17-a worm gear tooth.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Example one

Referring to fig. 1 to 4, the present invention provides a technical solution: the gear for the electric automobile comprises a gear body 1, wherein the gear body 1 comprises a gear core body 101, a gear clamping seat 102 and a gear outer ring 103; the gear core body 101 further comprises a first clamping block 2 which is integrally formed with the gear core body 101, a first connecting hole 3 is formed in the front face of the first clamping block 2, and a first bolt 4 is connected to the inner side wall of the first connecting hole 3 in a threaded mode; a first clamping groove 5 matched with the first clamping block 2 is formed in the inner side wall of the gear clamping seat 102, a noise reduction groove 6 is formed in the outer wall of the gear clamping seat 102, noise reduction cotton 7 is filled in the inner side wall of the noise reduction groove 6, and the outer wall of the gear clamping seat 102 further comprises a second clamping block 8 integrally formed with the gear clamping seat 102; the second draw-in groove 9 with 8 looks adaptations of second fixture block is seted up to gear outer lane 103's inside wall, gear outer lane 103 still include with gear outer lane 103 integrated into one piece's tooth 10, be provided with buffer block 11 between two tooth 10, the material of buffer block 11 is for attracting cotton, attract cotton to make the sound of gear when normal operation effectively eliminated, from the production of noise reduction in the source, realized effectively making an uproar falls in the gear operation.

A second connecting hole 16 is formed in the front side of the second clamping block 8, a second bolt 13 is in threaded connection with the inner side wall of the second connecting hole 16, so that the second clamping block 8 and the second clamping groove 9 can be conveniently connected and fixed, a second threaded hole matched with the second bolt 13 is formed in the inner side wall of the second clamping groove 9, the second bolt 13 penetrates through one end of the second clamping block 8 and abuts against the inner bottom wall of the second threaded hole, an extending portion 14 is fixedly connected to the back side of the gear outer ring 103, a gear shaft 15 is fixedly connected to the middle of the extending portion 14, a first threaded hole matched with the first bolt 4 is formed in the inner bottom wall of the first clamping groove 5, one end of the first bolt 4 penetrates through the first clamping block 2 and abuts against the inner bottom wall of the first threaded hole, the first clamping groove 5 and the first clamping block 2 can facilitate a person to assemble the gear core body 101 and the gear clamping seat 102 into a whole, a mounting groove is formed in the middle of the front side of the gear core body 101, a plurality of spline groove 12 has been seted up to the inner wall of mounting groove, and spline groove 12 be annular array in the inner wall of mounting groove, and spline groove 12 conveniently is connected with other gears or external equipment, and the groove 6 of making an uproar falls and fall the cotton quantity of making an uproar 7 is eight, falls the cotton 7 of making an uproar and fall groove clearance fit, and the noise that the cotton 7 of making an uproar produced when falling the noise and can be to gear engagement falls.

Example two

Referring to fig. 5, the present invention provides a technical solution: the gear for the electric automobile comprises a gear body 1, wherein the gear body 1 comprises a gear core body 101, a gear clamping seat 102 and a worm wheel outer ring 104; the gear core body 101 further comprises a first clamping block 2 which is integrally formed with the gear core body 101, a first connecting hole 3 is formed in the front face of the first clamping block 2, and a first bolt 4 is connected to the inner side wall of the first connecting hole 3 in a threaded mode; a first clamping groove 5 matched with the first clamping block 2 is formed in the inner side wall of the gear clamping seat 102, a noise reduction groove 6 is formed in the outer wall of the gear clamping seat 102, noise reduction cotton 7 is filled in the inner side wall of the noise reduction groove 6, and the outer wall of the gear clamping seat 102 further comprises a second clamping block 8 integrally formed with the gear clamping seat 102; the inner side wall of the worm wheel outer ring 104 is provided with a second clamping groove 9 matched with the second clamping block 8, the worm wheel outer ring 104 further comprises worm wheel teeth 17 integrally formed with the worm wheel outer ring 104, and a buffer block 11 is arranged between the two worm wheel teeth 17.

The second embodiment is basically the same as the first embodiment in structure, except that the gear outer ring is replaced with a worm wheel outer ring 104 on the basis of the first embodiment, the surface of the worm wheel outer ring 104 is fixedly connected with worm wheel teeth 17, the number of the worm wheel teeth 17 is a plurality, the worm wheel teeth 17 are arranged on the side surface of the worm wheel outer ring 104 in an annular array, and the inner and back structures of the worm wheel outer ring 104 are the same as the gear outer ring 103. The outer ring 104 of the worm wheel can be matched with the teeth 17 of the worm wheel to connect different worms or other devices, so that the driving effect different from that of the outer ring of the gear is achieved, and different outer rings of the gear, such as circular gears or gears with different tooth numbers and different gaps, can be replaced according to the requirement.

In conclusion, in the gear for the electric automobile, when in use, a worker firstly clamps the gear core 101 in the gear clamping seat 102 through the first clamping block 2 and the first clamping groove 5, then inserts the first bolt 4 into the first connecting hole 3 and then is in threaded connection with the first clamping groove 5, further clamps and fixes the gear clamping seat 102 and the gear core 102 through the four first bolts 4, similarly simultaneously clamps the gear clamping seat 102 and the gear core 101 in the gear outer ring 103 through the second clamping block 8, and then completes the assembly of the gear outer ring 103 through the second bolt 13 inserted into the second connecting hole and then in threaded connection with the second clamping groove 9, similarly can replace the gear outer ring 103 and the gear clamping seat 102, and provides convenience for later maintenance, when a single component is damaged, the targeted replacement can be performed, thereby reducing the maintenance cost, and different driving devices can be connected by replacing different gear outer rings 103, therefore, the applicability of the gear body 1 is improved, and the purposes of buffering and noise reduction can be achieved on gear meshing teeth through the arrangement of the noise reduction cotton 7 and the buffering block 11.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A gear for an electric vehicle, characterized in that: the gear comprises a gear body (1), wherein the gear body (1) comprises a gear core body (101), a gear clamping seat (102) and a gear outer ring (103);

the gear core body (101) further comprises a first clamping block (2) which is integrally formed with the gear core body (101), a first connecting hole (3) is formed in the front face of the first clamping block (2), and a first bolt (4) is connected to the inner side wall of the first connecting hole (3) in a threaded mode;

a first clamping groove (5) matched with the first clamping block (2) is formed in the inner side wall of the gear clamping seat (102), a noise reduction groove (6) is formed in the outer wall of the gear clamping seat (102), noise reduction cotton (7) is filled in the inner side wall of the noise reduction groove (6), and the outer wall of the gear clamping seat (102) further comprises a second clamping block (8) integrally formed with the gear clamping seat (102);

a second clamping groove (9) matched with the second clamping block (8) is formed in the inner side wall of the gear outer ring (103), the gear outer ring (103) further comprises teeth (10) integrally formed with the gear outer ring (103), and a buffer block (11) is arranged between the two teeth (10).

2. The gear for an electric vehicle according to claim 1, wherein: the inner bottom wall of the first clamping groove (5) is provided with a first threaded hole matched with the first bolt (4), and one end, penetrating into the first clamping block (2), of the first bolt (4) abuts against the inner bottom wall of the first threaded hole.

3. The gear for an electric vehicle according to claim 2, wherein: the gear core body (101) openly middle part has seted up the mounting groove, a plurality of spline groove (12) have been seted up to the inner wall of mounting groove, spline groove (12) be annular array in the inner wall of mounting groove.

4. The gear for an electric vehicle according to claim 1, wherein: the number of the noise reduction grooves (6) and the noise reduction cotton (7) is eight, and the noise reduction cotton (7) is in clearance fit with the noise reduction grooves.

5. The gear for an electric vehicle according to claim 1, wherein: and a second connecting hole (16) is formed in the front surface of the second clamping block (8), and a second bolt (13) is in threaded connection with the inner side wall of the second connecting hole (16).

6. The gear for an electric vehicle according to claim 5, wherein: and a second threaded hole matched with a second bolt (13) is formed in the inner side wall of the second clamping groove (9), and one end, penetrating into the second clamping block (8), of the second bolt (13) abuts against the inner bottom wall of the second threaded hole.

7. The gear for an electric vehicle according to claim 1, wherein: the back of the gear outer ring (103) is fixedly connected with an extension part (14), and the middle of the extension part (14) is fixedly connected with a gear shaft (15).

8. The gear for an electric vehicle according to claim 7, wherein: the gear outer ring (103) can be replaced by a worm wheel outer ring (104) equally, worm wheel teeth (17) are fixedly connected to the surface of the worm wheel outer ring (104), and the inner structure of the worm wheel outer ring (104) is the same as that of the gear outer ring (103).