CN212242831U

CN212242831U - Support axle assembly and vehicle

Info

Publication number: CN212242831U
Application number: CN202020247318.0U
Authority: CN
Inventors: 胡如现; 索志海
Original assignee: Beiqi Foton Motor Co Ltd
Current assignee: Beiqi Foton Motor Co Ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-12-29
Anticipated expiration: 2030-03-03

Abstract

The utility model relates to a support axle assembly and vehicle, wherein, support the axle assembly and include the bridge pipe and be used for installing the bridge pipe the leaf spring support on the wheel limit spindle nose, the leaf spring support is including the first side that is used for installing the leaf spring, the second side that is used for installing the bridge pipe and the third side that is used for connecting the wheel limit spindle nose, the bridge pipe passes through the connecting piece to be installed on the second side, the leaf spring support is connected as an organic wholely through the third side and wheel limit spindle nose. The bridge pipe in the present disclosure can be directly connected to the plate spring support through a connecting piece, so that the bridge pipe is connected to the wheel rim shaft head, and the plate spring support and the wheel rim shaft head are formed into a whole, thereby improving the connecting strength of the supporting bridge assembly. The supporting axle assembly connecting structure provided by the disclosure is simple, the process structure is simple, the lightweight design of the supporting axle assembly is realized, the connecting strength is ensured, meanwhile, the problems of heavy structure and complex installation and maintenance of the vehicle supporting axle in the related technology are effectively solved, and the production cost is greatly reduced.

Description

Support axle assembly and vehicle

Technical Field

The disclosure relates to the technical field of vehicle manufacturing, in particular to a supporting axle assembly and a vehicle.

Background

Wheels are arranged at two ends of the vehicle supporting bridge and are used for bearing the load of the vehicle and maintaining the normal running of the vehicle on a road. The mounting structure of the vehicle supporting bridge in the related technology is complex, the supporting bridge pipe and the wheel side part are connected by adopting a plurality of parts with complex structures, so that the number of connecting parts is large, the structure process is complex, and the structure of the supporting bridge is heavy due to more parts, so that great difficulty is brought to the mounting and maintenance of the supporting bridge.

SUMMERY OF THE UTILITY MODEL

It is a first object of the present disclosure to provide a support bridge assembly that is structurally compact and is consistent with a lightweight design.

A second object of the present disclosure is to provide a vehicle that uses the support axle assembly provided by the present disclosure.

In order to achieve the above object, the present disclosure provides a supporting axle assembly, including a bridge pipe and a leaf spring support for installing the bridge pipe on a wheel axle head, the leaf spring support includes a first side for installing a leaf spring, a second side for installing the bridge pipe and a third side for connecting the wheel axle head, the bridge pipe is installed on the second side through a connecting member, the leaf spring support is connected with the wheel axle head as a whole through the third side.

Optionally, the bridge pipe includes a body extending between two wheel edges and bent portions respectively bent at two ends of the body toward the leaf spring support, and the connecting member is configured such that a plate member is connected to an end of the bent portion and is attached to the second side surface.

Optionally, the connecting piece is formed with a central hole matched with the outer diameter of the bridge pipe, a first stop shoulder extending radially inwards is formed in the circumferential direction of the central hole, and the end of the bent portion extends into the central hole and abuts against the first stop shoulder.

Optionally, an end of the bent portion is welded at the first stopper shoulder.

Optionally, a plurality of reinforcing ribs are formed between the connecting piece and the bridge pipe, and the plurality of reinforcing ribs are distributed along the circumferential direction of the outer wall of the bent part.

Optionally, the connector is connected to the second side by a fastener.

Optionally, an outwardly protruding column is formed on the third side surface, and the column can be sleeved on the outer side of the wheel rim shaft head and is in interference fit with the wheel rim shaft head.

Optionally, a radially outwardly extending boss is formed at an end of the wheel rim shaft head, a radially inwardly extending second stop shoulder is formed at an inner diameter of the column body close to the port, and the boss of the wheel rim shaft head extends into the column body and is clamped on the second stop shoulder.

Optionally, the cylinder is welded to the wheel-rim stub shaft.

According to a second aspect of the present disclosure, there is also provided a vehicle comprising a support axle assembly provided by the present disclosure.

Through above-mentioned technical scheme, the bridge pipe in this disclosure can be directly be connected to leaf spring support through a connecting piece to with the bridge pipe be connected to on the wheel limit spindle nose, and leaf spring support and wheel limit spindle nose form as an organic whole, improved the joint strength who supports the axle assembly. The supporting axle assembly connecting structure provided by the disclosure is simple, the process structure is simple, the lightweight design of the supporting axle assembly is realized, the connecting strength is ensured, meanwhile, the problems of heavy structure and complex installation and maintenance of the vehicle supporting axle in the related technology are effectively solved, and the production cost is greatly reduced.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a schematic structural view of a support bridge assembly provided in an exemplary embodiment of the present disclosure;

FIG. 2 is a structural schematic view of another angle of a support bridge assembly provided by an exemplary embodiment of the present disclosure;

FIG. 3 is a partial cross-sectional view of a support bridge assembly provided in accordance with an exemplary embodiment of the present disclosure;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a schematic structural view of a leaf spring support provided in an exemplary embodiment of the present disclosure;

fig. 6 is a schematic structural view of a connector provided in an exemplary embodiment of the present disclosure.

Description of the reference numerals

1 bent part of main body 12 of bridge pipe 11

13 reinforcing rib 2 wheel edge shaft head 21 boss

3 first side 32 and second side of plate spring support 31

321 first mounting hole 33 third side 34 column

341 second stop shoulder 4 central hole of the connecting piece 41

42 first stop shoulder 43 and second mounting hole 44

5 fastener

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, the use of directional terms such as "inner and outer" is intended with respect to the proper contours of the respective parts, unless otherwise specified. In addition, the terms "first, second, and the like" used in the embodiments of the present disclosure are for distinguishing one element from another, and have no order or importance. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.

As shown in fig. 1 and 2, the present disclosure provides a supporting axle assembly including an axle tube 1 and a leaf spring support 3 for mounting the axle tube 1 on a wheel axle head 2, the leaf spring support 3 including a first side 31 for mounting a leaf spring, a second side 32 for mounting the axle tube 1, and a third side 33 for connecting the wheel axle head 2, the axle tube 1 being mounted on the second side 32 by a connecting member 4, the leaf spring support 3 being integrally connected with the wheel axle head 2 by the third side 33. Wherein the first side surface 31, the second side surface 32 and the third side surface 33 may be perpendicular to each other, and the leaf spring support 3 may further include other side surfaces or structures for supporting the structural strength in addition to the three side surfaces, which is not particularly limited by the present disclosure.

Through above-mentioned technical scheme, the bridge pipe 1 in this disclosure can be directly be connected to leaf spring support 3 through a connecting piece 4 to be connected to on the wheel limit spindle nose 2 with bridge pipe 1, and leaf spring support 3 forms an organic whole with wheel limit spindle nose 2, has improved the joint strength who supports the axle assembly. The supporting axle assembly connecting structure provided by the disclosure is simple, the process structure is simple, the lightweight design of the supporting axle assembly is realized, the connecting strength is ensured, meanwhile, the problems of heavy structure and complex installation and maintenance of the vehicle supporting axle in the related technology are effectively solved, and the production cost is greatly reduced.

Referring to fig. 1 and 2, in the disclosed embodiment, the bridge tube 1 may include a body 11 extending between two wheel rims and bent portions 12 bent toward the leaf spring support 3 at both ends of the body 11, respectively, and the connection member 4 is configured such that a plate member is connected to ends of the bent portions 12 and is in close contact with the second side surface 32. The bridge pipe 1 is designed to be suitable for a bending structure connected with the plate spring support 3, so that the structure of a connecting piece 4 for connecting the bridge pipe 1 and the plate spring support 3 is simplified, and the installation complexity among all parts is reduced. Here, the second side 32 can be designed as a plate surface, so that the connecting elements 4 of the plate structure can fit thereon for a stable connection, wherein, for the purpose of making the connection more compact, the surface contour of the connecting elements 4 can be adapted to the surface contour of the second side 32, such as can be a square contour.

Specifically, as shown in fig. 2, the connecting member 4 may be connected to the second side surface 32 by a fastener 5. As shown in fig. 5, a plurality of first mounting holes 321 are formed on the second side surface 32 in the circumferential direction, and as shown in fig. 6, a plurality of second mounting holes 43 corresponding to the first mounting holes 321 are distributed on the connecting member 4 in the circumferential direction, and the fastening members 5 penetrate through the second mounting holes 43 and the first mounting holes 321 to mount the connecting member 4 on the second side surface 32. Positioning holes may be formed in the second side surface 32 and the connecting member 4, respectively, so as to pre-position the attachment of the connecting member 4 by positioning pins installed in the positioning holes, thereby ensuring the accuracy of the attachment position. The connecting piece 4 and the plate spring support 3 are installed in a fastening piece mode, so that the bridge pipe 1 can be replaced and maintained conveniently without replacing the whole supporting bridge assembly, and the maintenance cost is saved.

According to an embodiment of the present disclosure, as shown in fig. 6 and referring to fig. 3, the connecting member 4 may be formed with a central hole 41 matching with an outer diameter of the bridge pipe 1, a first stop shoulder 42 extending radially inward is formed on a circumferential direction of the central hole 41, and an end of the bent portion 12 may extend into the central hole 41 and abut against the first stop shoulder 42. When the bent part 12 of the bridge tube 1 is installed in the central hole 41, the central hole 41 can radially limit the bent part 12, and the first stop shoulder 42 can axially limit the bent part 12, so as to enhance the installation stability of the bridge tube 1. The diameter of the central hole 41 may be the same as the outer diameter of the bent part 12 or slightly smaller than the outer diameter of the bent part 12, so that the bent part 12 can be interference-fitted into the central hole 41, and the installation of the bridge pipe 1 is more secure.

Further, the end of the bent portion 12 may be welded at the first stopper shoulder 42. The welded bridge pipe 1 and the connecting piece 4 have higher connecting strength, so that the connection between the bridge pipe and the connecting piece is firmer. Alternatively, the outer wall of the bent portion 12 may be welded directly to the inner wall of the central hole 41 without the first stopper shoulder 42.

In the disclosed embodiment, in order to further enhance the connection strength between the bridge pipe 1 and the connector 4, as shown in fig. 1 and 2, a plurality of reinforcing ribs 13 may be formed between the connector 4 and the bridge pipe 1, and the plurality of reinforcing ribs 13 are distributed along the circumferential direction of the outer wall of the bent portion 12. The reinforcing ribs 13 may be triangular reinforcing ribs formed on the outer wall of the bent portion 12, and may be welded to the surface of the connecting member 4 after the bridge pipe 1 is mounted to the connecting member 4, and when the connecting member 4 has the above-mentioned center hole 41 and the first stopper shoulder 42, as shown in fig. 6, a plurality of grooves 44 corresponding to the reinforcing ribs 13 may be formed on the surface of the connecting member 4, and the reinforcing ribs 13 may be welded after extending into the grooves 44, so as to enhance the reinforcing effect of the reinforcing ribs 13.

According to an embodiment of the present disclosure, as shown in fig. 3 and 5, the third side surface 33 may be formed with an outwardly protruding column 34, and the column 34 can be sleeved outside the wheel axle head 2 and can be in interference fit with the wheel axle head 2. The column 34 is adopted to cover the outer side of the wheel edge shaft head 2, so that the connecting area of the wheel edge shaft head and the wheel edge shaft head is increased, and the connecting strength and the tensile and torsional capabilities of the wheel edge shaft head and the wheel edge shaft head are improved. Wherein, the internal diameter of the column 34 can be slightly smaller than the external diameter of the wheel edge shaft head 2, so that the column 34 and the wheel edge shaft head 2 can be connected in an interference manner.

Specifically, referring to fig. 4, the end of the wheel axle head 2 may be formed with a boss 21 extending radially outward, a second stop shoulder 341 extending radially inward is formed at an inner diameter of the column 34 near the port, and the boss 21 of the wheel axle head 2 is inserted into the column 34 and is locked to the second stop shoulder 341. Wherein, the boss 21 can have a tapered end portion to form an inclined surface, when the wheel rim shaft head 2 extends into the column 34, the boss 21 can be slightly compressed and guided into the column 34 by the inclined surface, and slide along the inner wall of the column 34, when the boss 21 moves to the second stopping shoulder 341, the boss 21 expands and is buckled with the second stopping shoulder 341, thereby realizing the axial limit of the wheel rim shaft head 2, and connecting the wheel rim shaft head 2 and the plate spring support 3 into a whole. Here, the area of the wheel rim shaft head 2 except the boss 21 may be in interference fit with the column 34, or a slide for the boss 21 to slide to the second stopping shoulder 341 may be provided on the inner wall of the column 34, and when the wheel rim shaft head 2 is installed in place, the wheel rim shaft head 2 may be rotated to make the boss 21 avoid the slide, preventing the wheel rim shaft head 2 from coming off.

Further, to enhance the integrity of the attachment of the wheel axle head 2 to the leaf spring support 3, the post 34 may be welded to the wheel axle head 2. Such as welding at the edges of the column 34 after the wheel-axle stub 2 has completed the installation process.

In order to satisfy the light weight design of the supporting bridge assembly, the leaf spring support 3 and the connecting piece 4 may be provided with weight reduction structures, for example, weight reduction holes may be provided on the first side surface 31, the second side surface 32 or the third side surface 33.

According to the second aspect of the present disclosure, there is also provided a vehicle including the above-mentioned supporting axle assembly, wherein the vehicle has all the advantages of the above-mentioned supporting axle assembly, and the details are not repeated herein.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. The utility model provides a support axle assembly, characterized in that, include bridge pipe (1) and be used for with leaf spring support (3) on wheel limit spindle nose (2) are installed to bridge pipe (1), leaf spring support (3) are including first side (31) that are used for installing the leaf spring, are used for installing second side (32) of bridge pipe (1) and be used for connecting the third side (33) of wheel limit spindle nose (2), install through connecting piece (4) bridge pipe (1) on second side (32), leaf spring support (3) pass through third side (33) with wheel limit spindle nose (2) are connected as an organic wholely.

2. The support bridge assembly according to claim 1, wherein the bridge tube (1) comprises a body (11) extending between two wheel rims and bent portions (12) bent towards the leaf spring support (3) at both ends of the body (11), respectively, and the connecting member (4) is configured as a plate member connected to the ends of the bent portions (12) and in abutting connection with the second side surface (32).

3. The support bridge assembly according to claim 2, wherein the connecting member (4) is formed with a central hole (41) matching with the outer diameter of the bridge pipe (1), a first stop shoulder (42) extending radially inwards is formed on the circumference of the central hole (41), and the end of the bent portion (12) extends into the central hole (41) and abuts against the first stop shoulder (42).

4. The support bridge assembly according to claim 3, wherein the end of the bend (12) is welded at the first stop shoulder (42).

5. The support bridge assembly according to claim 2, wherein a plurality of reinforcing ribs (13) are formed between the connector (4) and the bridge tube (1), and the plurality of reinforcing ribs (13) are distributed along the circumferential direction of the outer wall of the bent portion (12).

6. The support bridge assembly according to claim 2, wherein the connecting piece (4) is connected to the second side face (32) by a fastening piece (5).

7. Support bridge assembly according to any one of claims 1-6, wherein the third side (33) is formed with outwardly projecting columns (34), which columns (34) can be fitted over the wheel rim stub shaft (2) on the outside and with an interference fit with the wheel rim stub shaft (2).

8. A supporting bridge assembly according to claim 7, characterised in that the end of the wheel axle stub (2) is formed with a radially outwardly extending boss (21), and the post (34) is formed with a radially inwardly extending second stop shoulder (341) at its inner diameter adjacent the port, the boss (21) of the wheel axle stub (2) projecting into the post (34) and being retained on the second stop shoulder (341).

9. Support bridge assembly according to claim 7, characterized in that the columns (34) are welded to the wheel axle head (2).

10. A vehicle, characterized in that it comprises a supporting axle assembly according to any one of claims 1-9.