CN216277447U

CN216277447U - Air spring support assembly and air spring mounting structure

Info

Publication number: CN216277447U
Application number: CN202122469217.5U
Authority: CN
Inventors: 陈志耀; 鲍一鸣; 李林波
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-04-12
Anticipated expiration: 2031-10-13

Abstract

The utility model provides a gas spring support assembly and a gas spring mounting structure. The gas spring support assembly comprises a support main body, a ball pin and a gasket; the bracket main body comprises an air spring connecting plate and a side wall connecting plate, the air spring connecting plate and the side wall connecting plate are integrally or fixedly connected into a whole, the side wall connecting plate is provided with a screw hole, and the bottom surface of the position corresponding to the screw hole is provided with a sinking platform structure; the ball head pin is connected with the gas spring connecting plate; the gasket is of an annular structure and is arranged at the position corresponding to the sinking platform structure. This air spring bracket component plays the guide effect to the assembly of gasket through increasing heavy platform structure on the side wall connecting plate, and work efficiency provides certain resilience space for the gasket simultaneously on the lifting line, has promoted waterproof performance.

Description

Air spring support assembly and air spring mounting structure

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a gas spring support assembly and a gas spring mounting structure.

Background

A tail gate gas spring support assembly mainly comprises a tail gate gas spring support, a ball head pin and a waterproof gasket.

As shown in figure 1, a tail gate air spring support assembly in the prior art is characterized in that a tail gate air spring support 1 'and a ball head pin 2' are fixed in a riveting mode, and a waterproof gasket 3 'is adhered to the tail gate air spring support 1' in a 3M glue mode. The tail-gate air spring is matched and lapped on the vehicle body through a tail-gate air spring support assembly, and the structure has the following problems: the tail gate gas spring support 1' needs to be fixed with a vehicle body through a bolt, water leakage is easy to occur at the bolt hole, and water enters the vehicle body through the support mounting hole, so that the problem of corrosion is caused; the waterproof gasket 3' is made of red vulcanized paper, so that the elasticity is poor, and after the bolt is subjected to torsion fixation, the gasket cannot rebound after being deformed, so that the installation torque of the bracket bolt is extremely easy to attenuate, and other problems are caused; the size and structure of the waterproof gasket are not flattened, so that the failure of the serial gasket occurs occasionally.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gas spring support assembly, which has a guiding function on the assembly of a gasket by adding a sinking platform structure on a side wall connecting plate, improves the on-line working efficiency, provides a certain resilience space for the gasket and improves the waterproof performance.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

in accordance with one aspect of the present invention, a gas spring bracket assembly is provided. The gas spring support assembly comprises a support main body, a ball pin and a gasket; the bracket main body comprises an air spring connecting plate and a side wall connecting plate, the air spring connecting plate and the side wall connecting plate are integrally or fixedly connected into a whole, the side wall connecting plate is provided with a screw hole, and the bottom surface of the position corresponding to the screw hole is provided with a sinking platform structure; the ball head pin is connected with the gas spring connecting plate; the gasket is of an annular structure and is arranged at the position corresponding to the sinking platform structure.

According to an embodiment of the utility model, the screw hole is a counterbore, and a countersunk bolt sequentially passes through the counterbore and the gasket and is in threaded fit connection with a nut.

According to an embodiment of the utility model, the two screw holes are spaced apart from each other on the side wall connecting plate.

According to an embodiment of the utility model, a projection of a central axis of the ball stud on the side wall connecting plate is located at a midpoint of the two screw holes.

According to an embodiment of the utility model, the gasket is made of ethylene propylene diene monomer.

According to an embodiment of the utility model, the bracket main body further comprises a reinforcing rib extending obliquely from the gas spring connecting plate to the side wall connecting plate.

According to an embodiment of the present invention, the gas spring connecting plate is vertically connected to the side wall connecting plate, and the ball stud is vertically connected to the gas spring connecting plate.

In accordance with another aspect of the present invention, a gas spring mounting structure is provided. The gas spring mounting structure comprises the gas spring support assembly, a tail door assembly, a side wall assembly and a gas spring assembly; one end of the gas spring assembly is connected with the tail door assembly, the other end of the gas spring assembly is connected with the ball head pin, the side wall connecting plate is connected with the side wall assembly, and the gasket is clamped between the side wall connecting plate and the side wall assembly.

One embodiment of the present invention has the following advantages or benefits:

the gas spring support assembly is fixed with the side wall assembly through the countersunk bolts, the sunken platform structure is arranged on the side wall connecting plate, and the gasket is bonded at the position of the sunken platform structure, so that the sunken platform structure provides a certain space for resilience of the gasket, and meanwhile, the gasket is made of EPDM (ethylene-propylene-diene monomer), so that the waterproof performance of the gas spring support assembly can be effectively improved, and the problem of torque attenuation of the gas spring support bolts is solved; in the assembly process, the guide effect on the countersunk head bolt is increased by the counter bore, the assembly guide effect of the counter sink structure on the gasket improves the on-line working efficiency, and meanwhile, the counter bore enables the countersunk head bolt to be flush with the surface of the side wall connecting plate, so that the sensing effect is better; the annular gasket adopts standardized and platformized design, so that the size of the gasket is smaller, the material utilization rate is higher, and the cost is lower.

Drawings

The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

FIG. 1 is a perspective view of a gas spring bracket assembly shown in accordance with the prior art.

FIG. 2 is a perspective view of one perspective of a gas spring support assembly in accordance with an exemplary embodiment.

FIG. 3 is a perspective view of another perspective of a gas spring support assembly in accordance with an exemplary embodiment.

FIG. 4 is an exploded view of a gas spring bracket assembly shown in accordance with an exemplary embodiment.

FIG. 5 is a schematic view of a gas spring mounting arrangement shown in accordance with an exemplary embodiment.

FIG. 6 is an enlarged view at A of FIG. 5, shown in accordance with an exemplary embodiment.

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6, shown in accordance with an exemplary embodiment.

Wherein the reference numerals are as follows:

1', a tail gate gas spring bracket; 2', a ball stud; 3' waterproof gasket;

1. a stent body; 11. a side wall connecting plate; 111. screw holes; 112. a sinking platform structure; 12. a gas spring connecting plate; 121. riveting holes; 13. reinforcing ribs; 2. a ball stud; 3. a gasket; 4. a countersunk bolt; 5. a nut; 6. a tailgate assembly; 7. a side wall assembly; 8. a gas spring assembly.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

The terms "a," "an," "the," "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.

As shown in fig. 2-4, fig. 2 illustrates a perspective view of one perspective of a gas spring support assembly in accordance with the present invention. FIG. 3 is a perspective view showing another perspective of a gas spring support assembly in accordance with the present invention. FIG. 4 illustrates an exploded view of a gas spring bracket assembly in accordance with the present invention.

The gas spring support assembly provided by the embodiment of the utility model comprises a support main body 1, a ball pin 2 and a gasket 3; the bracket main body 1 comprises a gas spring connecting plate 12 and a side wall connecting plate 11, the gas spring connecting plate 12 and the side wall connecting plate 11 are integrally or fixedly connected into a whole, the side wall connecting plate 11 is provided with a screw hole 111, and the bottom surface of the position corresponding to the screw hole 111 is provided with a sinking platform structure 112; the ball stud 2 is connected with the gas spring connecting plate 12; the gasket 3 is a ring structure and is disposed at a position corresponding to the sinking platform structure 112.

The screw holes 111 can be one or a plurality of, the screw holes are arranged on the side wall connecting plate 11 at intervals, the corresponding positions of each screw hole 111 are respectively provided with a sinking platform structure 112, when the gasket 3 is bonded or fixedly connected at the sinking platform structure 112 through other connecting modes, the sinking platform structure 112 has a guiding effect on the gasket 3, the on-line work efficiency is improved, the gasket 3 of the annular structure can reserve a through hole when a bolt passes through the screw hole 111 and then passes through the gasket 3, so that when the side wall connecting plate 11 is fixedly connected with the side wall assembly 7, the gasket 3 is completely filled in a joint gap between the side wall connecting plate 11 and the side wall assembly 7 due to slight deformation.

Preferably, the gas spring connecting plate 12 is provided with a riveting hole 121, and the ball stud 2 is riveted and fixed with the gas spring connecting plate 12 at a position corresponding to the riveting hole 121.

In a preferred embodiment of the present invention, the screw hole 111 is a counterbore, and the countersunk bolt 4 passes through the counterbore and the washer 3 in sequence and is in threaded fit connection with the nut 5.

As shown in fig. 2 to 4, the counter bore is a tapered surface with a wide top and a narrow bottom, and the head of the countersunk head bolt 4 is also a tapered surface with a wide top and a narrow bottom, so that in the process of installing the countersunk head bolt 4, after the tail of the countersunk head bolt 4 passes through the counter bore and the gasket 3, the counter bore plays a guiding role in the abutting surface of the countersunk head bolt 4, and meanwhile, the side wall of the counter bore is tightly abutted to the head of the countersunk head bolt 4, thereby further improving the waterproof performance of the gas spring support assembly.

In a preferred embodiment of the present invention, two screw holes 111 are spaced apart from each other on the side gusset 11.

As shown in fig. 2 to 4, two screw holes 111 can increase the connection strength between the side wall connecting plate 11 and the side wall assembly 7, and too many screw holes 111 can reduce the strength and rigidity of the side wall connecting plate 11.

In a preferred embodiment of the utility model, the projection of the central axis of the ball stud 2 on the side gusset 11 is located at the midpoint of the two screw holes 111.

As shown in fig. 2 to 4, the projection of the center shaft of the ball stud 2 on the side wall connecting plate 11 is located at the midpoint of the two screw holes 111, that is, the bracket main body 1 is arranged in a manner of passing through the center shaft of the ball stud 2 and being perpendicular to the plane of the side wall connecting plate 11 and the gas spring connecting plate 12 in a bilateral symmetry manner, and the gas spring assembly 8 is installed between the tailgate assembly 6 and the side wall assembly 7 through the bracket main body 1, and the gas spring bracket assemblies can be simultaneously and respectively used for connecting the tailgate assembly 6 and the side wall assemblies 7 on the left and right sides, that is, the gas spring bracket assemblies in the prior art are used in a bilateral symmetry manner of being changed into a gas spring bracket assembly sharing the same kind of gas spring bracket assembly on the left and right sides, so that the problem of assembly errors cannot occur in the workshop assembly process, and meanwhile, the development cost of the mold in the previous stage is reduced, the process is simplified, and the production efficiency is improved.

In a preferred embodiment of the utility model, the gasket 3 is made of ethylene propylene diene monomer.

Wherein, EPDM rubber is also EPDM, has superior oxidation-resistant, anti ozone and anti erosion's ability, is difficult for receiving the influence of environment and temperature, has better elasticity than prior art's red steel sheet material, effectively promotes the waterproof performance of air spring support assembly, solves countersunk head bolt 4's moment of torsion decay problem simultaneously.

In a preferred embodiment of the present invention, the bracket main body 1 further includes a reinforcing rib 13, and the reinforcing rib 13 extends obliquely from the gas spring connecting plate 12 to the side wall connecting plate 11.

As shown in fig. 2 to 4, a reinforcing rib 13 is provided at the joint of the gas spring connecting plate 12 and the side wall connecting plate 11 to enhance the rigidity and strength of the joint, and preferably, the reinforcing rib 13 is of a triangular structure and extends obliquely downward from the middle of the gas spring connecting plate 12 to the middle of the side wall connecting plate 11.

In a preferred embodiment of the present invention, gas spring attachment plate 12 is vertically attached to side wall attachment plate 11 and ball stud 2 is vertically attached to gas spring attachment plate 12.

As shown in fig. 2 to 4, the gas spring connecting plate 12 is vertically connected to the side wall connecting plate 11, and the ball stud 2 is vertically connected to the gas spring connecting plate 12, so that the side wall assembly 7 and the gas spring assembly 8 can be more conveniently connected, and the connection strength and rigidity of the bracket body 1 can be increased.

The gas spring support assembly is fixed with a side wall assembly 7 through a countersunk head bolt 4, a sunken platform structure 112 is arranged on a side wall connecting plate 11, a gasket 3 is bonded at the position of the sunken platform structure 112, and simultaneously, the material is changed from red vulcanized paper with poor elasticity in the prior art into EPDM (ethylene-propylene-diene monomer), so that the waterproof performance of the gas spring support assembly can be effectively improved, and the problem of the torque attenuation of the gas spring support bolt is solved; in the assembly process, the guiding effect on the countersunk head bolt 4 is added by the counter bore, the assembly guiding effect on the gasket 3 by the counter sink structure 112 improves the on-line working efficiency, and meanwhile, the counter bore enables the countersunk head bolt 4 to be flush with the surface of the side wall connecting plate 11, so that the sensing effect is better; the ring-shaped gasket 3 adopts a standardized and platformized design, so that the gasket 3 has smaller size, higher material utilization rate and lower cost.

As shown in fig. 5 to 7, fig. 5 is a schematic view showing a gas spring mounting structure provided by the present invention. Fig. 6 shows an enlarged view at a in fig. 5 provided by the present invention. Fig. 7 shows a cross-sectional view taken along line B-B of fig. 6 in accordance with the present invention.

The gas spring mounting structure of the embodiment of the utility model comprises the gas spring support assembly, a tail door assembly 6, a side wall assembly 7 and a gas spring assembly 8; one end of the gas spring assembly 8 is connected with the tail door assembly 6, the other end of the gas spring assembly is connected with the ball pin 2, the side wall connecting plate 11 is connected with the side wall assembly 7, and the gasket 3 is clamped between the side wall connecting plate 11 and the side wall assembly 7.

The number of the gas spring assemblies 8 can be one or more, two gas spring assemblies 8 are adopted in the utility model, the two gas spring assemblies 8 are respectively arranged on the left side and the right side of the tail gate assembly 6, the two gas spring support assemblies are symmetrically arranged on the left side and the right side of the side wall assembly 7, mounting holes are reserved on the side wall assembly 7, after the side wall connecting plate 11 is abutted to the side wall assembly 7, the gasket 3 is bonded at the position of the sunken platform structure 112, after the hole in the middle of the sunken hole and the gasket 3 is aligned with the mounting holes, the sunken head bolt 4 sequentially penetrates through the sunken hole, the gasket 3 and the mounting holes and then is in threaded fit with the nut 5 to be fixed, namely, the support main body 1 is fixedly connected to the side wall assembly 7, and then as the ball pin 2 is arranged on the gas spring connecting plate 12, the ball pin 2 is movably connected with the gas spring assemblies 8, the supporting function when the tail gate assembly 6 is opened can be completed through the function of the gas spring assemblies 8.

One end of a gas spring assembly 8 of the gas spring mounting structure is connected to a side wall assembly 7 through a gas spring support assembly, and is abutted against the side wall of a counter bore of a side wall connecting plate 11 through a counter bolt 4, and meanwhile, a gasket 3 is arranged at a counter sink structure 112, when the side wall connecting plate 11 is fixedly connected with the side wall assembly 7 through the counter bolt 4, the counter sink structure 112 can reduce the interference amount of the gasket 3 and a sheet metal part, and meanwhile, the gasket 3 is made of EPDM (ethylene-propylene-diene monomer), so that the waterproof performance of the gas spring support assembly is effectively improved, the influence degree of deformation of the gasket 3 on the torsion is reduced, the problem of torque attenuation of the counter bolt 4 is improved, and the thickness of the gasket 3 can be further reduced appropriately.

In embodiments of the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or units must have a specific direction, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the embodiments of the present invention.

In the description herein, the appearances of the phrase "one embodiment," "a preferred embodiment," or the like, are intended to 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 embodiments of the utility model. 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.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present embodiment by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.

Claims

1. A gas spring support assembly, comprising:

the support main body (1) comprises a gas spring connecting plate (12) and a side wall connecting plate (11), the gas spring connecting plate (12) and the side wall connecting plate (11) are integrally or fixedly connected into a whole, the side wall connecting plate (11) is provided with a screw hole (111), and the bottom surface of the corresponding position of the screw hole (111) is provided with a sinking platform structure (112);

the ball pin (2), the said ball pin (2) is connected with said gas spring connecting plate (12); and

the gasket (3) is of an annular structure and is arranged at the corresponding position of the sinking platform structure (112).

2. A gas spring support assembly according to claim 1, characterized in that said screw hole (111) is a counterbore through which a countersunk bolt (4) passes in sequence with said washer (3) and is in threaded engagement with a nut (5).

3. A gas spring support assembly according to claim 1, wherein two of said screw holes (111) are spaced apart on said side wall attachment plate (11).

4. A gas spring support assembly according to claim 3, characterized in that the projection of the central axis of said ball stud (2) on said side wall connecting plate (11) is located at the midpoint of both of said screw holes (111).

5. A gas spring support assembly according to claim 1, characterized in that said spacer (3) is made of ethylene propylene diene monomer rubber.

6. A gas spring support assembly according to claim 1, characterized in that said support body (1) further includes a reinforcing rib (13), said reinforcing rib (13) extending obliquely from said gas spring connecting plate (12) to said side wall connecting plate (11).

7. A gas spring support assembly according to claim 1, characterized in that said gas spring attachment plate (12) is vertically connected to said side wall attachment plate (11) and said ball stud (2) is vertically connected to said gas spring attachment plate (12).

8. A gas spring support assembly according to claim 1, characterized in that said gas spring attachment plate (12) is formed with a staking hole (121) for staking said ball stud (2) to said gas spring attachment plate (12).

9. A gas spring mounting structure, comprising:

a gas spring support assembly according to any one of claims 1 to 8;

a tailgate assembly (6);

a side wall assembly (7); and

the air spring assembly (8), the one end of air spring assembly (8) with tail-gate assembly (6) is connected, the other end with bulb round pin (2) are connected, side wall connecting plate (11) with side wall assembly (7) are connected, gasket (3) press from both sides and are located side wall connecting plate (11) with between side wall assembly (7).