CN214492444U

CN214492444U - Leaf spring bracket and have its vehicle

Info

Publication number: CN214492444U
Application number: CN202120611261.2U
Authority: CN
Inventors: 姚成林
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-10-26
Anticipated expiration: 2031-03-25

Abstract

The application discloses leaf spring bracket and have its vehicle, leaf spring bracket includes: the bracket body is used for lifting and fixing the plate spring; a damper support member provided at an end of the bracket body, the damper support member being used to fix a damper. According to the plate spring bracket disclosed by the embodiment of the application, the bracket and the shock absorber mounting bracket in the prior art are integrated, on one hand, the integrated part can reduce the production cost and the material cost, improve the assembly efficiency, and reduce the overall weight of an axle, so that the axle meets the lightweight requirement, and the oil consumption is reduced; more importantly, the shock absorber mounting bracket is not required to be welded and fixed on the axle tubular beam, the local structural deformation or strength weakening of the axle tubular beam can be avoided, the axle tubular beam is prevented from being broken in the service environment with increased load, and the service life and the service safety of the axle are improved.

Description

Leaf spring bracket and have its vehicle

Technical Field

The utility model belongs to the technical field of the vehicle technique and specifically relates to a leaf spring bracket and have its vehicle is related to.

Background

The rear axle assembly has the main functions that after the power input by the transmission shaft is subjected to speed reduction and torque increase, the transmission direction is changed and distributed to the left driving wheel and the right driving wheel, and the left driving wheel and the right driving wheel have the differential function required by the vehicle running kinematics; meanwhile, the rear axle assembly is mainly connected with a middle pivot between the vehicle body and the wheels and is required to bear the vertical force, the longitudinal force, the transverse force and the moment of the transverse force which are acted between the road surface and the vehicle frame or the bearing type vehicle body.

For a vehicle with a plate spring structure, a rear axle assembly and a frame are connected through a plate spring and a shock absorber, in the prior art, a plate spring bracket and a shock absorber bracket are respectively welded on an axle tube beam of a rear axle and used for mounting the plate spring and the shock absorber, the plate spring is fixed through the plate spring bracket and a U-shaped bolt, and the shock absorber is fixed on the shock absorber bracket through a bolt.

However, the plate spring bracket and the shock absorber support of the existing structure are of a split structure and need to be processed and manufactured respectively, so that the material cost, the manufacturing cost and the labor cost are increased, the light weight requirement cannot be met, and the oil consumption is increased; more importantly, the shock absorber support and the plate spring bracket are welded on the axle tubular beam, so that the strength of the axle tubular beam can be reduced, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a leaf spring bracket, leaf spring bracket's structure is more reasonable, satisfies the lightweight requirement, can reduction in production cost, and stability is high, can improve the job stabilization nature of axle.

The present application further provides a vehicle employing the leaf spring bracket described above.

According to the leaf spring bracket for a vehicle of the embodiment of the first aspect of the present application, comprising: the bracket body is used for lifting and fixing the plate spring; a damper support member provided at an end of the bracket body, the damper support member being used to fix a damper.

According to the plate spring bracket disclosed by the embodiment of the application, the bracket and the shock absorber mounting bracket in the prior art are integrated, on one hand, the integrated part can reduce the production cost and the material cost, improve the assembly efficiency, and reduce the overall weight of an axle, so that the axle meets the lightweight requirement, and the oil consumption is reduced; more importantly, the shock absorber mounting bracket is not required to be welded and fixed on the axle tubular beam, the local structural deformation or strength weakening of the axle tubular beam can be avoided, the axle tubular beam is prevented from being broken in the service environment with increased load, and the service life and the service safety of the axle are improved.

According to some embodiments of the present application, the bracket body comprises: the shock absorber supporting device comprises a fixing plate and a U-shaped bolt, wherein the U-shaped bolt is sleeved on an axle tube beam and fixed with the fixing plate, and a shock absorber supporting piece is arranged at the end part of the fixing plate.

In some embodiments, the middle region of the fixation plate is recessed downward to form a reinforcement.

Furthermore, the depth of the depression of the reinforcing part is 5mm-7mm, and a positioning hole is formed in the middle area of the reinforcing part.

In some embodiments, the inner side edge, the front side edge and the rear side edge of the fixing plate are provided with flanges, and the shock absorber support is arranged on the inner side flange.

Further, a round fixing part is arranged on the inner side turning edge and used for fixing the shock absorber supporting piece.

Further, the shock absorber support comprises: the connecting portion and the cooperation portion that connect gradually, connecting portion with fixed part welded fastening, the cooperation portion is pegged graft with the pilot hole of bumper shock absorber and is cooperated.

Furthermore, a positioning part is further arranged between the matching part and the connecting part, and the diameter of the positioning part is larger than that of the connecting part and that of the matching part is larger than that of the connecting part.

Further, one end, far away from the positioning portion, of the matching portion is further provided with a threaded portion, the threaded portion is provided with an external thread, and the threaded portion is matched with a fastener to fix the shock absorber.

According to the vehicle of the embodiment of the second aspect of the present application, comprising: the leaf spring carrier described in the above embodiments.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic illustration of a leaf spring carrier in cooperation with an axle tube beam, a leaf spring, and a shock absorber according to an embodiment of the present application;

FIG. 2 is a schematic view of an angle of a leaf spring bracket according to an embodiment of the present application;

FIG. 3 is a cross-sectional schematic view of a leaf spring carrier according to an embodiment of the present application;

fig. 4 is a schematic view of another angle of the leaf spring carrier according to an embodiment of the present application.

Reference numerals:

the plate spring carrier 100, the axle tube beam 200, the plate spring 300, the shock absorber 400,

a bracket body 10, a fixing plate 11, a reinforcing part 111, a positioning hole 112, a flange 113, a fixing part 114, a U-shaped bolt 12,

shock absorber support 20, connecting portion 21, mating portion 22, positioning portion 23, threaded portion 24.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A leaf spring bracket 100 and a vehicle according to an embodiment of the present invention will be described below with reference to fig. 1 to 4.

As shown in fig. 1, a leaf spring bracket 100 for a vehicle according to an embodiment of the first aspect of the present application includes: a bracket body 10, and a damper support 20.

Wherein, the bracket body 10 is used for lifting and fixing the plate spring 300; and a damper support 20, the damper support 20 being provided at an end of the bracket body 10, the damper support 20 being used to fix the damper 400.

Specifically, the axle tube beam 200 extends in the left-right direction of the vehicle, the plate spring 300 extends in the front-rear direction of the vehicle, the bracket body 10 is fixed to the axle tube beam 200 and serves to lift the middle region of the plate spring 300, the damper stay 20 serves to fix the other end of the damper 400 toward the axle, and the other end of the damper 400 and both front and rear ends of the plate spring 300 are connected to the vehicle body to damp vibration and load transmitted toward the vehicle body through the plate spring 300 and the damper 400.

It will be appreciated that the present application integrates the prior art bracket and the shock absorber mounting bracket, i.e., the shock absorber supports 20 are provided on the ends of the bracket body 10, thereby eliminating the need to weld the shock absorber 400 mounting bracket for fixing the shock absorber 400 to the axle tube beam 200.

It should be noted that, in the prior art, the weld bead connection between the mounting bracket of the shock absorber 400 and the axle tube beam 200 may cause the outer wall of the axle tube beam 200 to be welded and recessed, thereby reducing the thickness of the axle tube beam 200 and the strength of the axle tube beam 200, and for overload or extreme conditions (such as off-road, gobi-road, etc.), due to the sharp increase of the axle load, the vertical pressure borne by the axle tube beam 200 may be increased seriously, which may cause weld bead cracking, axle housing fracture, and decrease the service life of the axle.

According to the plate spring bracket 100 of the embodiment of the application, the bracket and the shock absorber 400 mounting bracket in the prior art are integrated, so that on one hand, the integrated part can reduce the production cost and the material cost, improve the assembly efficiency, reduce the overall weight of the axle, enable the axle to meet the requirement of light weight and reduce the oil consumption; more importantly, the shock absorber 400 mounting bracket is not required to be welded and fixed on the axle tubular beam 200, the local structural deformation or strength weakening of the axle tubular beam 200 can be avoided, the axle tubular beam 200 is prevented from being broken under the condition of increased load, and the service life and the use safety of the axle are improved.

As shown in fig. 1, according to some embodiments of the present application, a carrier body 10 includes: the axle tube beam 200 is provided with a fixing plate 11 and a U-shaped bolt 12, the U-shaped bolt 12 is sleeved on the axle tube beam 200 and fixed with the fixing plate 11, and the end part of the fixing plate 11 is provided with a shock absorber supporting piece 20.

Particularly, be provided with four fixed orificess on the fixed plate 11, four fixed orificess set up in pairs on the fore-and-aft direction of vehicle, two U-shaped bolt 12 covers are established on axle tubular beam 200, and the end that opens of U-shaped bolt 12 stretches into the fixed orifices downwards, fastens through the fastener to it is fixed with the pressure equipment of axle tubular beam 200 to realize leaf spring 300, can improve the stability of being connected of leaf spring 300 and axle tubular beam 200, improves leaf spring 300's shock attenuation effect, cushioning effect.

It is understood that the plate spring 300 has an arc shape, the middle region of the fixing plate 11 is depressed downward to form the reinforcing part 111, and the depressed depth of the reinforcing part 111 is 5mm to 7mm, and the middle region of the reinforcing part 111 is provided with the positioning hole 112.

From this, in the assembling process of leaf spring 300 and fixed plate 11, sunken reinforcing part 111 can carry out preliminary spacing to leaf spring 300, and the setting of locating hole 112 can provide the location in leaf spring 300 assembling process, when improving the assembly convenience, can improve the assembly precision of leaf spring 300, and most importantly, through setting up reinforcing part 111, can improve the structural strength of leaf spring bracket 100 effectively to improve the overall structure stability of axle.

As shown in fig. 3 and 4, in some embodiments, the inner side edge, the front side edge, and the rear side edge of the fixed plate 11 are provided with flanges 113, and the shock absorber support 20 is provided on the inner side flange. Thus, the structural strength of the fixing plate 11 can be further improved by providing the burring 113.

The front-rear direction referred to in the present application corresponds to the front-rear direction of the vehicle, that is, the front side of the fixed plate 11 and the rear side of the fixed plate 11 correspond to the side facing the front of the vehicle and the side facing the rear of the vehicle, respectively; the inside and outside referred to in this application is the concept of relative direction, the vehicle can be defined artificially in the left and right direction as the central axis, and the side of the fixing plate 11 towards the central axis corresponds to the inside, that is, the right side edge, i.e. the inside edge, of the fixing plate 11 arranged on the left side of the vehicle, and the left side edge, i.e. the inside edge, of the fixing plate 11 arranged on the right side of the vehicle.

Further, a circular fixing portion 114 is provided on the inner flange, and the fixing portion 114 is used for fixing the damper support 20. Thus, the damper support 20 is disposed on the fixing portion 114, and the fixing portion 114 is circular and at least partially protrudes from the inner edge, so that the fixing stability of the damper support 20 on the fixing portion 114 can be improved.

As shown in fig. 2 and 3, shock absorber support 20 includes: the connecting part 21 and the matching part 22 are connected in sequence, the connecting part 21 and the fixing part 114 are welded and fixed, the matching part 22 is in plug fit with the assembly hole of the shock absorber 400, a positioning part 23 is further arranged between the matching part 22 and the connecting part 21, the diameter of the positioning part 23 is larger than that of the connecting part 21, and the diameter of the matching part 22 is larger than that of the connecting part 21; the end of the fitting portion 22 away from the positioning portion 23 is also provided with a threaded portion 24, the threaded portion 24 having an external thread, the threaded portion 24 fitting with a fastener to fix the shock absorber 400.

That is, in a direction away from the fixing plate 11, the shock absorber supporting member 20 is sequentially connected with a connecting portion 21, a positioning portion 23, a matching portion 22 and a threaded portion 24, wherein the connecting portion is used for being connected with the fixing portion 114 to fix the shock absorber supporting member 20 on the plate spring bracket 100, the positioning portion 23 is used for being positioned in an assembling process of the shock absorber supporting member 20 and defining a welding position with the connecting portion 21, so as to facilitate welding and fixing of the shock absorber supporting member 20 and the plate spring bracket 100, the surface of the matching portion 22 is smooth and is used for being in plugging fit with a fitting hole of the shock absorber 400, and the threaded portion 24 is matched with a fastener to prevent the shock absorber 400 from being disengaged from the shock absorber supporting member 20, so that through the above arrangement, the fixing stability of the shock absorber 400 and the shock absorber supporting member 20 is effectively improved.

According to the vehicle of the embodiment of the second aspect of the present application, comprising: the leaf spring bracket 100 in the above embodiment.

According to the vehicle of the embodiment of the present application, the leaf spring bracket 100 has the same technical effect as the leaf spring bracket 100, and the description thereof is omitted.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present invention, "a plurality" means two or more.

In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A leaf spring carrier (100) for a vehicle, comprising:

a bracket body (10), wherein the bracket body (10) is used for lifting and fixing the plate spring (300);

a shock absorber support (20), the shock absorber support (20) being provided at an end of the bracket body (10), the shock absorber support (20) being used to fix a shock absorber (400).

2. The leaf spring carrier (100) for a vehicle according to claim 1, characterized in that the carrier body (10) comprises: the shock absorber fixing device comprises a fixing plate (11) and U-shaped bolts (12), wherein the axle tube beam (200) is sleeved with the U-shaped bolts (12) and is fixedly connected with the fixing plate (11), and shock absorber supporting pieces (20) are arranged at the end parts of the fixing plate (11).

3. The leaf spring bracket (100) for a vehicle according to claim 2, characterized in that a middle region of the fixing plate (11) is depressed downward to form a reinforcement portion (111).

4. The leaf spring bracket (100) for a vehicle according to claim 3, characterized in that the recess depth of the reinforcement portion (111) is 5mm-7mm, and a positioning hole (112) is provided on a middle region of the reinforcement portion (111).

5. The leaf spring bracket (100) for a vehicle according to claim 2, characterized in that the fixing plate (11) is provided with flanges (113) on the inner side edge, the front side edge and the rear side edge, the shock absorber support (20) being provided on the inner side flanges.

6. The leaf spring bracket (100) for a vehicle according to claim 5, characterized in that a circular fixing portion (114) is provided on the inner side flange, the fixing portion (114) being used to fix the shock absorber support (20).

7. The leaf spring bracket (100) for a vehicle according to claim 6, characterized in that the shock absorber support (20) comprises: connecting portion (21) and cooperation portion (22) that connect gradually, connecting portion (21) with fixed part (114) welded fastening, cooperation portion (22) and the pilot hole grafting cooperation of bumper shock absorber (400).

8. The leaf spring bracket (100) for a vehicle according to claim 7, characterized in that a positioning portion (23) is further provided between the fitting portion (22) and the connecting portion (21), the positioning portion (23) having a larger diameter than the connecting portion (21), the fitting portion (22) having a larger diameter than the connecting portion (21).

9. The leaf spring bracket (100) for a vehicle according to claim 8, characterized in that an end of the fitting portion (22) remote from the positioning portion (23) is further provided with a threaded portion (24), the threaded portion (24) having an external thread, the threaded portion (24) being fitted with a fastener to fix the shock absorber (400).

10. A vehicle, characterized by comprising: the leaf spring carrier (100) of any one of claims 1-9.