CN218625355U

CN218625355U - Electric motor car gear box

Info

Publication number: CN218625355U
Application number: CN202222488321.3U
Authority: CN
Inventors: 郝兵; 张彪彪
Original assignee: Peixian Xingyi Machinery Technology Co ltd
Current assignee: Peixian Xingyi Machinery Technology Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-03-14
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses an electric motor car gearbox body, including first shell and second shell, the equal fixedly connected with adapter sleeve in one side of first shell and second shell, two the adapter sleeve inner wall is in the solid fixed ring of the equal fixedly connected with in one side of keeping away from each other, two the equal fixedly connected with bearing of solid fixed ring's inner wall, two the sealed piece of the equal fixedly connected with of inner wall of adapter sleeve, the top and the bottom of second shell are provided with oil inlet and oil-out respectively, the equal fixedly connected with motor fixed block in top and the bottom of first fixed block, the bottom internal surface and the equal fixedly connected with drainage piece in top internal surface of first shell and second shell. The utility model discloses a simple drainage piece, along with the rotation of great gear can take lubricating oil and then drip on the drainage piece, partly can flow to the position of less gear to with the even dispersion of lubricating oil on the inside gear of whole gear box, and then avoided having improved the life of gear.

Description

Electric motor car gear box

Technical Field

The utility model relates to a gear box technical field especially relates to an electric motor car gearbox body.

Background

The gear box is an important part widely applied to mechanical transmission, when a pair of gears are meshed, because errors such as tooth pitch and tooth shape inevitably exist, the gear box can improve the meshing accuracy of the gears and reduce the noise of meshing impact of the gears, and the gear box can also complete acceleration and deceleration through gears with different sizes while changing the transmission direction.

The gear box need use lubricating oil at the in-process that uses, the counter gear mainly plays the lubrication, the noise reduction, it is clean, reduce effects such as friction, can lead to the electric motor car to send the noise in going when the gear box lacks oil, lack the oil for a long time and can reduce the life of gear greatly, current gear box is when using because the fixed structure of gear box, can all flow to the shared bottom of the great gear of gear box when inside lubricating oil is less, this just leads to driving less gear contact can not reach more lubricating oil, and then leads to the life-span reduction of gear.

It is therefore desirable to provide a gear housing for an electric vehicle that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that current gear box can all flow to the shared bottom of the great gear of gear box when inside lubricating oil is less because the fixed structure of gear box when using, this just leads to the less gear of drive to contact more lubricating oil, and then leads to the life-span reduction of gear.

In order to solve the technical problem, the utility model discloses a technical scheme be: the gearbox body of the electric vehicle comprises a first shell and a second shell, wherein connecting sleeves are fixedly connected to one sides of the first shell and the second shell, and fixing rings are fixedly connected to the inner walls of the two connecting sleeves on the sides far away from each other;

the inner walls of the two fixing rings are fixedly connected with bearings, the inner walls of the two connecting sleeves are fixedly connected with sealing blocks, and the outer walls of the first shell and the second shell are fixedly connected with a plurality of first fixing blocks and a plurality of second fixing blocks on the sides close to each other respectively;

bolts are installed between the first fixing blocks and the second fixing blocks, oil inlets and oil outlets are formed in the top and the bottom of the second shell respectively, the top and the bottom of the first fixing blocks are fixedly connected with motor fixing blocks, and diversion blocks are fixedly connected to the inner surfaces of the bottom and the top of the first shell and the second shell.

The utility model further sets up to: the first shell is provided with a through hole in the center of one side far away from the connecting sleeve.

Through above-mentioned technical scheme, the output of motor inserts the through-hole and then accomplishes the drive to the inside gear of gear box.

The utility model further sets up to: and the first fixing block and the second fixing block are respectively provided with a threaded hole and a through hole corresponding to the bolt.

Through above-mentioned technical scheme, a plurality of bolts are fixed first fixed block and second fixed block, and then accomplish and fix first shell and second shell.

The utility model further sets up to: and through holes corresponding to the oil inlet and the oil outlet are respectively formed in the top and the bottom of the second shell.

Through above-mentioned technical scheme, the oil inlet can be accomplished and refuel in the gear box, and the oil-out can be discharged long-time use oil that contains impurity.

The utility model discloses further set up to: the motor fixing block is provided with a through hole.

Through above-mentioned technical scheme, it fixes whole gearbox body and motor to use the through-hole.

The utility model discloses further set up to: the flow guide block is provided with a plurality of cambered surface structures.

Through above-mentioned technical scheme, when the inside oil mass of gear box is less, can take lubricating oil and then drip on the drainage piece along with the rotation of great gear, partly can flow to the position of less gear to with the even dispersion of lubricating oil on the inside gear of whole gear box, the cambered surface structure of drainage piece can make the gear be infected with more lubricating oil when adding lubricating oil simultaneously, and then improves the life and the reinforcing noise reduction ability of gear.

The utility model has the advantages as follows:

1. the utility model has the advantages that by designing the simple drainage block, lubricating oil can be brought along with the rotation of the larger gear and then dripped on the drainage block, and one part of the lubricating oil can flow to the position of the smaller gear, so that the lubricating oil is uniformly dispersed on the gears in the whole gear box, and the service life of the gears is further prevented from being prolonged;

2. the utility model designs the simple drainage block, and the cambered surface structure of the drainage block can make the gear be stained with more lubricating oil when adding lubricating oil, thereby improving the service life of the gear and enhancing the noise reduction capability;

3. the utility model discloses a design oil inlet and oil-out are convenient for directly pull down the inside oil mass of oil-out inspection gear box to and the convenience is to the change of lubricating oil.

Drawings

Fig. 1 is a first view structural diagram of the present invention;

fig. 2 is a third view structural diagram of the present invention;

fig. 3 is a front view of the present invention;

fig. 4 is an internal structure diagram of the present invention.

In the figure: 1. a first housing; 2. a second housing; 3. connecting sleeves; 4. a fixing ring; 5. a bearing; 6. a sealing block; 7. a first fixed block; 8. a second fixed block; 9. a bolt; 10. an oil inlet; 11. an oil outlet; 12. a motor fixing block; 13. and a flow guiding block.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1, an electric vehicle gearbox body comprises a first shell 1 and a second shell 2, wherein a through hole is formed in the center of one side of the first shell 1, which is far away from a connecting sleeve 3, the output end of a motor is inserted into the through hole to drive gears in the gearbox, the connecting sleeves 3 are fixedly connected to one sides of the first shell 1 and the second shell 2, and fixing rings 4 are fixedly connected to the inner walls of the two connecting sleeves 3, which are far away from each other;

as shown in fig. 1 and 2, the inner walls of the two fixing rings 4 are fixedly connected with bearings 5, the inner walls of the two connecting sleeves 3 are fixedly connected with sealing blocks 6, the outer walls of the first shell 1 and the second shell 2 are fixedly connected with a plurality of first fixing blocks 7 and second fixing blocks 8 on the sides close to each other, the first fixing blocks 7 and the second fixing blocks 8 are respectively provided with threaded holes and through holes corresponding to bolts 9, the first fixing blocks 7 and the second fixing blocks 8 are fixed by the bolts 9, and then the first shell 1 and the second shell 2 are fixed;

as shown in fig. 1-4, bolts 9 are respectively installed between a plurality of first fixing blocks 7 and a plurality of second fixing blocks 8, an oil inlet 10 and an oil outlet 11 are respectively arranged at the top and the bottom of a second housing 2, through holes corresponding to the oil inlet 10 and the oil outlet 11 are respectively arranged at the top and the bottom of the second housing 2, the oil inlet 10 can complete oiling in the gear box, the oil outlet 11 can discharge oil containing impurities after long-time use, the top and the bottom of the first fixing block 7 are both fixedly connected with a motor fixing block 12, the motor fixing block 12 is provided with through holes, the whole gear box body and a motor are fixed by using the through holes, the bottom inner surface and the top inner surface of the first housing 1 and the second housing 2 are both fixedly connected with a diversion block 13, the diversion block 13 is provided with a plurality of arc-surface structures, when the amount of oil in the gear box is small, the lubrication oil can be brought along with the rotation of a large gear and then dripped on the diversion block 13, a part of the lubrication oil can flow to the position of a small gear, thereby the lubrication oil can be uniformly dispersed on the gears inside the gears, the arc-surface structures of the lubrication oil can be stained, and the service life of the gears can be prolonged.

The utility model discloses when using, fix first fixed block 7 and second fixed block 8 through a plurality of bolts 9, and then it is fixed to first shell 1 and second shell 2 to accomplish, rethread bolt 9 and motor fixed block 12 fix whole gearbox body and motor, the output of motor is to the drive of the inside gear of gear box, when the inside oil mass of gear box is less, can take lubricating oil and then drip on drainage piece 13 along with the rotation of great gear, some can flow to the position of less gear, thereby with the even dispersion of lubricating oil on the inside gear of whole gear box.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides an electric motor car gear box body, includes first shell (1) and second shell (2), its characterized in that: one sides of the first shell (1) and the second shell (2) are fixedly connected with connecting sleeves (3), and the sides, far away from each other, of the inner walls of the two connecting sleeves (3) are fixedly connected with fixing rings (4);

the inner walls of the two fixing rings (4) are fixedly connected with bearings (5), the inner walls of the two connecting sleeves (3) are fixedly connected with sealing blocks (6), and the outer walls of the first shell (1) and the second shell (2) are fixedly connected with a plurality of first fixing blocks (7) and second fixing blocks (8) at the sides close to each other respectively;

a plurality of bolts (9) are installed between the first fixing blocks (7) and the second fixing blocks (8), oil inlets (10) and oil outlets (11) are respectively formed in the top and the bottom of the second shell (2), motor fixing blocks (12) are fixedly connected to the top and the bottom of the first fixing blocks (7), and diversion blocks (13) are fixedly connected to the inner surfaces of the bottom and the top of the first shell (1) and the second shell (2).

2. The electric vehicle gear box body according to claim 1, characterized in that: the first shell (1) is provided with a through hole in the center of one side far away from the connecting sleeve (3).

3. The electric vehicle gearbox body according to claim 1, wherein: and the first fixing block (7) and the second fixing block (8) are respectively provided with a threaded hole and a through hole corresponding to the bolt (9).

4. The electric vehicle gearbox body according to claim 1, wherein: the top and the bottom of the second shell (2) are respectively provided with through holes corresponding to the oil inlet (10) and the oil outlet (11).

5. The electric vehicle gearbox body according to claim 1, wherein: the motor fixing block (12) is provided with a through hole.

6. The electric vehicle gearbox body according to claim 1, wherein: the flow guide block (13) is provided with a plurality of cambered surface structures.