CN216331209U

CN216331209U - Electric vehicle hub

Info

Publication number: CN216331209U
Application number: CN202122859064.5U
Authority: CN
Inventors: 陶锡朋
Original assignee: Taizhou Guangchi Machinery Co ltd
Current assignee: Taizhou Guangchi Machinery Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-19
Anticipated expiration: 2031-11-19

Abstract

The application relates to an electric vehicle hub, which comprises a hub body, hub covers and end covers, wherein the hub covers and the end covers are respectively arranged at two ends of the hub body in the axis direction; the connection between the disc brake cover and the support column is provided with a first welding line, and the disc brake cover and the support column are fixedly connected through the first welding line. Set up welding seam one, when the dish lid of stopping appeared wearing and tearing and need change, can stop dish and support column separation along welding seam one cutting, then change new dish and stop lid and support column welding, need not to change whole wheel hub, improved wheel hub's economic nature.

Description

Electric vehicle hub

Technical Field

The application relates to the field of hubs, and more particularly, to an electric vehicle hub.

Background

The wheel hub comprises a wheel hub body, a wheel hub cover and an end cover which are arranged at the two axial ends of the wheel hub body, and a disc brake cover connected to the wheel hub cover.

In order to fix the disc brake cover on the hub cover conveniently, when the hub cover and the disc brake cover are manufactured, the hub cover and the disc brake cover are usually integrally formed, but the disc brake cover is worn after long-term use of an automobile, when the disc brake cover is worn to be unusable, the hub cover and the disc brake cover need to be replaced together, and the economical efficiency of the hub is poor and needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to improve wheel hub's economic nature, this application provides an electric motor car wheel hub.

The application provides a pair of electric motor car wheel hub adopts following technical scheme:

the electric vehicle hub comprises a hub body, hub covers and end covers, wherein the hub covers and the end covers are respectively arranged on two sides of the hub body in the axial direction; the connection between the disc brake cover and the support column is provided with a first welding seam, and the disc brake cover and the support column are fixedly connected through the first welding seam.

Through above-mentioned technical scheme, set up welding seam one, when the dish lid of stopping appears wearing and tearing and need change, can be along welding seam one with the dish of stopping and the support column separation, then change new dish lid of stopping and support column welding, need not to change whole wheel hub, improved wheel hub's economic nature.

Optionally, a second welding seam is arranged at a joint between the support column and the hub cover, and the support column and the hub cover are fixedly connected through the second welding seam.

Through the technical scheme, the second welding line is arranged, when the supporting column needs to be replaced, the supporting column and the hub cover can be cut and separated along the second welding line, then the replaced supporting column and the replaced hub cover are welded, and the economical efficiency of the whole use of the hub is improved.

Optionally, the end face of the hub cap facing the end cover is coaxially provided with a bearing chamber.

Through above-mentioned technical scheme, set up the bearing room, the bearing room can be guaranteed that the bearing has better operating performance and longer working life, improves the holistic job stabilization nature of wheel hub.

Optionally, the dish is stopped the lid and is deviated from the coaxial dish of stopping that is equipped with of one end of hub cover, the outer lane circumference distribution that the dish stopped the lid has a plurality of connecting blocks, all is equipped with the mounting hole on every connecting block, all wears to be equipped with fastening bolt on every mounting hole, the axial terminal surface circumference distribution that the dish stopped the dish has a plurality of fixed orificess, fastening bolt passes the one end threaded connection of mounting hole and fixed orifices and has fastening nut, fastening nut supports tightly to be fixed in the dish is stopped the dish in the terminal surface that the dish stopped the lid and deviates from the dish and stops the dish and cover.

Through above-mentioned technical scheme, set up mounting hole and fixed orifices, adopt bolted connection's mode, make things convenient for the dish to stop and cover in the dish and dismantle the installation, improve the simple operation nature of installation dismantlement.

Optionally, every connecting block is greater than the disc along the thickness that the disc stopped and is covered along the axis direction along the thickness of axis direction through above-mentioned technical scheme, under the condition that does not too much increase disc brake and cover thickness, through the thickness that increases the connecting block, strengthens the structural strength of mounting hole, and then improves the disc and stops the cover and the disc and stop the joint strength between the dish, improves stability.

Optionally, one end of the disc brake cover, which is away from the hub cover, is provided with a positioning block, and the axial end face of the disc brake plate is provided with a positioning groove for embedding the positioning block.

Through above-mentioned technical scheme, set up locating piece and constant head tank, make things convenient for the dish to stop lid and the dish and stop the location between the dish and connect, improve the dish and stop the installation convenience of dish.

Optionally, a fixing ring block is coaxially arranged at one end, away from the hub cover, of the hub body, a plurality of fastening holes are formed in the fixing ring block along the circumferential direction, connecting holes are formed in the end face, facing the hub body, of the end cover in the circumferential direction, the connecting holes and the fastening holes are identical in number and correspond to each other in position one to one, a connecting bolt penetrates through each connecting hole, the connecting bolts penetrate through the connecting holes and are connected to the fastening holes in a threaded mode, and the hub body is fixedly connected with the end cover through the connecting bolts.

Through above-mentioned technical scheme, set up between wheel hub body and the end cover and realize fixing through connecting bolt, make things convenient for the end cover to follow the dismantlement on the wheel hub body, make things convenient for the change of end cover and the change of the inside spare part of wheel hub body, improve the simple operation nature of changing spare part.

Optionally, the fixing ring block is bent towards the hub cover direction along the axis to form a first bent portion, one end, far away from the fixing ring block, of the first bent portion is bent towards the direction of the circle center of the fixing ring block along the radial direction of the fixing ring block to form a second bent portion, and each fastening hole penetrates through the fixing ring block and the second bent portion along the axis direction.

Through above-mentioned technical scheme, set up the portion of bending one and the portion of bending two, the axial length in extension fastening hole improves the joint strength through connecting bolt connection between end cover and the wheel hub body, improves the stability of whole use.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) by arranging the first welding line, when the disc brake cover is worn and needs to be replaced, the disc brake disc can be separated from the support column along the first welding line, and then a new disc brake cover is replaced to be welded with the support column, so that the whole hub does not need to be replaced, and the economical efficiency of the hub is improved;

(2) by arranging the bearing chamber, the bearing can have better running performance and longer service life after being installed, and the overall working stability of the hub is improved;

(3) through setting up locating piece and constant head tank, make things convenient for the dish to stop the lid and the dish to stop the location between the dish and be connected, improve the dish and stop the installation convenience of dish.

Drawings

Fig. 1 is a partial structural schematic diagram of the present embodiment.

Fig. 2 is a schematic sectional view of a part of the structure of the present embodiment.

Fig. 3 is an enlarged schematic view of a part of the structure of the present embodiment.

Fig. 4 is a schematic view of the overall structure of the present embodiment.

Reference numerals: 1. a hub body; 2. a hub cap; 3. an end cap; 4. fastening a bolt; 5. a fixed ring block; 6. a first bending part; 7. a second bending part; 8. a fastening hole; 9. connecting holes; 10. a connecting bolt; 11. a support pillar; 12. welding seams II; 13. A disc brake cover; 14. welding a first weld; 15. a disc brake disc; 16. positioning blocks; 17. positioning a groove; 18. connecting blocks; 19. mounting holes; 20. a fixing hole; 21. a bearing chamber.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses electric motor car wheel hub.

Referring to fig. 1 and 2, the hub comprises a hub body 1, a hub cover 2 and an end cover 3 are respectively arranged at two ends of the hub body 1 in the axial direction, and the hub cover 2 is fixedly connected with the hub body 1.

Referring to fig. 2 and 3, a fixing ring block 5 is fixed to an end of the hub body 1 away from the hub cover 2, and the fixing ring block 5 is annular and coaxially fixed to a circumferential inner wall of the hub body 1. The fixed ring block 5 is bent towards the hub cover 2 along the axis direction to form a first bent part 6, and the first bent part 6 is bent towards the circle center direction along the radial direction of the fixed ring block 5 to form a second bent part 7. A plurality of fastening holes 8 are uniformly distributed in the axial end face of the fixing ring block 5 along the circumferential direction, the fastening holes 8 are threaded holes, and each fastening hole 8 penetrates through the fixing ring block 5 and the second bending portion 7 along the axial direction. A plurality of connecting holes 9 are uniformly distributed on the axial end face of the end cover 3 along the circumferential direction, and the connecting holes 9 and the fastening holes 8 are the same in number and are in one-to-one correspondence in position. Each connecting hole 9 is provided with a connecting bolt 10 in a penetrating mode, the connecting bolt 10 penetrates through the connecting hole 9 and is in threaded connection with the fastening hole 8, and the end cover 3 is fixedly connected with the hub body 1 through the connecting bolt 10.

The end face, deviating from the end cover 3, of the hub cover 2 is coaxially provided with a support column 11, the support column 11 and the hub cover 2 are fixed through welding, a second welding seam 12 is formed at the joint between the support column 11 and the hub cover 2 through welding, and the second welding seam 12 is annular and is coaxially distributed on the outer ring of the support column 11.

The support column 11 deviates from the coaxial dish that is provided with of terminal surface of hub cap 2 and stops lid 13, and through welded fastening between lid 13 and the support column 11 is stopped to the dish, and the dish is stopped the junction between lid 13 and the support column 11 and is formed welding seam one 14 through the welding, and welding seam one 14 is cyclic annular and coaxial distribution in the outer lane that support column 11 deviates from 2 one end of hub cap.

Referring to fig. 2 and 4, the one end coaxial coupling that the dish stopped the lid 13 and deviates from the support column 11 has the dish to stop 15, and the one end that the dish stopped lid 13 and deviates from the support column 11 is fixed with locating piece 16, and locating piece 16 is cylindricity and sets up with the support column 11 is coaxial. The axial end face of the disc brake disc 15 is coaxially provided with a positioning groove 17 for embedding the positioning block 16. The positioning block 16 is embedded into the positioning groove 17 to position the disc brake disc 15 on the disc brake cover 13.

The circumference lateral wall that the dish was stopped and is covered 13 is fixed with three connecting block 18, and three connecting block 18 is along the circumference evenly distributed that the dish stopped and is covered 13. An axial end face of each connecting block 18 is provided with a mounting hole 19, and each mounting hole 19 is penetrated by a fastening bolt 4; a plurality of fixed orificess 20 have been seted up to the axial terminal surface of dish 15 of stopping, and a plurality of fixed orificess 20 are along the axial terminal surface evenly distributed that the dish 15 stopped. The distance from the circle center of the fixing hole 20 to the circle center of the disc brake disc 15 is equal to the distance from the circle center of the mounting hole 19 to the circle center of the disc brake cover 13. Fastening bolt 4 passes mounting hole 19 and fixed orifices 20 and stops lid 13 and dish with the dish and stop 15 and be connected, and fastening bolt 4 has a fastening nut through the one end threaded connection of fixed orifices 20, supports tightly through fastening nut and stops the terminal surface that lid 13 deviates from dish 15 of stopping in the dish and stop dish 15 and be fixed in dish lid 13 of stopping with the dish through the dish.

Referring to fig. 2, hub cap 2 is fixed with bearing chamber 21 towards the terminal surface coaxial of end cover 3, sets up bearing chamber 21, can guarantee the bearing installation back, can have better operating performance and longer working life, when improving the whole wheel hub of the holistic job stabilization of wheel hub actual production, earlier the dish lid 13 of stopping and support column 11 welded fastening, then with support column 11 and hub cap 2 welding. When the disc brake cover 13 needs to be replaced, the first welding seam 14 only needs to be cut, and the disc brake cover 13 can be replaced by re-welding.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an electric motor car wheel hub, includes wheel hub body (1), sets up respectively in wheel hub body (1) axis direction both sides hub cap (2) and end cover (3), its characterized in that: the end face, deviating from the end cover (3), of the hub cover (2) is coaxially provided with a support column (11), and the end face, deviating from the hub cover (2), of the support column (11) is coaxially provided with a disc brake cover (13); the connection between dish lid (13) and support column (11) of stopping is equipped with welding seam (14), realize fixed connection through welding seam (14) between dish lid (13) and the support column (11) of stopping.

2. The electric vehicle hub of claim 1, wherein: and a second welding seam (12) is arranged at the joint between the support column (11) and the hub cover (2), and the support column (11) and the hub cover (2) are fixedly connected through the second welding seam (12).

3. The electric vehicle hub of claim 1, wherein: and a bearing chamber (21) is coaxially arranged on the end surface of the hub cover (2) facing the end cover (3).

4. The electric vehicle hub of claim 1, wherein: the dish is stopped and is covered (13) and deviate from the coaxial dish that is equipped with of one end of hub cover (2) and stop dish (15), the outer lane circumference distribution that the dish stopped lid (13) has a plurality of connecting blocks (18), all is equipped with mounting hole (19) on every connecting block (18), all wears to be equipped with fastening bolt (4) on every mounting hole (19), the axial terminal surface circumference distribution that the dish stopped dish (15) has a plurality of fixed orificess (20), fastening bolt (4) pass one end threaded connection of mounting hole (19) and fixed orifices (20) have fastening nut, fastening nut supports tightly and stops the terminal surface that lid (13) deviates from dish and stop dish (15) and is fixed in dish and stop lid (13) in dish brake dish (15).

5. The electric vehicle hub of claim 4, wherein: the thickness of each connecting block (18) along the axial direction of the disc brake cover (13) is greater than the thickness of the disc brake cover (13) along the axial direction.

6. The electric vehicle hub of claim 4, wherein: the disc brake cover (13) is provided with a positioning block (16) at one end deviating from the hub cover (2), and the axial end face of the disc brake disc (15) is provided with a positioning groove (17) for embedding the positioning block (16).

7. The electric vehicle hub of claim 1, wherein: the hub is characterized in that one end, deviating from the hub cover (2), of the hub body (1) is coaxially provided with a fixing ring block (5), the fixing ring block (5) is provided with a plurality of fastening holes (8) along the circumferential direction, the end face, facing the hub body (1), of the end cover (3) is circumferentially provided with connecting holes (9), the connecting holes (9) correspond to the fastening holes (8) in a one-to-one mode in the same number and in positions, each connecting hole (9) is provided with a connecting bolt (10) in a penetrating mode, the connecting bolts (10) penetrate through the connecting holes (9) and are connected to the fastening holes (8) in a threaded mode, and the hub body (1) and the end cover (3) are fixedly connected through the connecting bolts (10).

8. The electric vehicle hub of claim 7, wherein: the fixing ring block (5) is bent towards the hub cover (2) along the axis to form a first bending portion (6), one end, far away from the fixing ring block (5), of the first bending portion (6) is bent towards the direction of the circle center of the fixing ring block (5) along the radial direction of the fixing ring block (5) to form a second bending portion (7), and each fastening hole (8) penetrates through the fixing ring block (5) and the second bending portion (7) along the axis direction.