Supporting piece, air bag, air spring and vehicle

Abstract

The utility model discloses a strutting piece, airbag, air spring and vehicle, said strutting piece is used for airbag, said airbag comprises airbag body and protection piece, said protection piece is provided outside said airbag body, said strutting piece is suitable for being provided inside said airbag body and supports said airbag body, said strutting piece is used for said airbag body. The side, suitable for making contact with the air bag body, of the supporting piece is provided with an anti-skid part. Therefore, the supporting piece and the protection piece are matched to clamp and fix the air bag body located between the supporting piece and the protection piece, stable installation between the protection piece and the air bag body is achieved through the supporting piece, the friction force between the supporting piece and the air bag body can be increased by arranging the anti-skid part, and the stability of supporting and limiting of the supporting piece to the air bag body and the protection piece is improved; and moreover, the controllability of the product is improved, and the requirement on the process consistency is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of air springs, in particular to a support component, an air bag, an air spring and a vehicle. Background Art

[0002] Air springs use air as the working medium and are widely used in commercial vehicle cabs, vehicle suspensions, equipment shock absorption and other fields. Vehicles using air springs have good ride comfort and road friendliness. The airbag is a key component of the air spring, and the performance of the airbag determines the performance of the air spring. In the related art, the airbag is usually limited by a shield installed on the outside of the airbag and a support ring installed on the inside of the airbag, but the limiting effect in the related art is poor and requires high consistency in the process. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a support member in a first aspect, which can improve the protection effect of the airbag body and reduce the requirement for process consistency.

[0004] A second aspect of the utility model provides an airbag.

[0005] A third aspect of the utility model provides an air spring.

[0006] A fourth aspect of the utility model provides a vehicle.

[0007] According to the support member of the embodiment of the utility model, the airbag includes an airbag body and a protective member, the protective member is arranged outside the airbag body, the support member is suitable for being arranged inside the airbag body and supporting the airbag body so that the airbag body is abutted against the protective member, and the side of the support member suitable for contacting with the airbag body is provided with an anti-slip portion.

[0008] According to the support member of the embodiment of the utility model, the support member and the protective member cooperate to clamp and fix the airbag body located therebetween, and the support member realizes stable installation between the protective member and the airbag body. By setting the anti-slip portion, the friction between the support member and the airbag body can be increased, thereby improving the stability of the support member in supporting and limiting the airbag body and the protective member, and improving the controllability of the product, thereby reducing the requirements for process consistency.

[0009] In some embodiments, the anti-slip portion has a plurality of anti-slip lines, and the plurality of anti-slip lines are arranged at intervals in a height direction of the support member.

[0010] Specifically, the anti-slip portion protrudes from a side of the support member in contact with the airbag body, and extends toward the airbag body.

[0011] In some embodiments, the support member is configured as a circular support ring structure.

[0012] Specifically, a chamfer is formed between the top surface of the support ring and the side of the support ring where the anti-slip portion is provided, or a rounded corner is formed between the top surface of the support ring and the side of the support ring where the anti-slip portion is provided.

[0013] Furthermore, the top surface of the support ring transitions to the chamfered bevel radius at the top of the support ring.

[0014] The airbag according to an embodiment of the utility model comprises: an airbag body, a protective member and a support member described in any one of the above embodiments, wherein the protective member is arranged outside the airbag body, and the support member is arranged inside the airbag body and supports the airbag body so that the airbag body is abutted against the protective member.

[0015] In some embodiments, the protective member has a limiting portion, which cooperates with the supporting member, and the limiting portion has a limiting area and a limiting end. The limiting area is protruding from the outer wall of the protective member, and the supporting member is correspondingly arranged in the limiting area. The limiting end is suitable for limiting the position of the supporting member in the height direction.

[0016] In some embodiments, the airbag body has a cylindrical portion and a tapered portion, the diameter of the tapered portion gradually decreases in a direction away from the cylindrical portion, and the support member is disposed at one end of the cylindrical portion close to the tapered portion.

[0017] The air spring according to the embodiment of the utility model comprises the airbag described in any one of the above embodiments.

[0018] The vehicle according to the embodiment of the utility model comprises the air spring described in the above embodiment.

[0019] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0021] Figure 1 is a cross-sectional view of an airbag according to an embodiment of the utility model;

[0022] Figure 2 yes Figure 1 The middle circle shows a partial enlarged view of point A;

[0023] Figure 3is a schematic structural diagram of an airbag according to an embodiment of the utility model;

[0024] Figure 4 is a side view of an airbag according to an embodiment of the utility model;

[0025] Figure 5 It is a structural schematic diagram of a support member according to an embodiment of the utility model.

[0026] Reference numerals:

[0027] Airbag 100,

[0028] The airbag body 10, the cylindrical portion 11, the tapered portion 12,

[0029] Support member 20, anti-slip portion 21, anti-slip line 211, chamfer 22, rounded corner 23,

[0030] Protective element 30 , limiting portion 31 , limiting area 311 , limiting end 312 . DETAILED DESCRIPTION

[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0032] Reference below Figure 1-Figure 5 The support member 20 , the airbag 100 , the air spring and the vehicle according to the embodiments of the present invention are described.

[0033] like Figure 1 and Figure 3-Figure 4 As shown, the support member 20 according to the embodiment of the utility model is used for the airbag 100, and the airbag 100 includes an airbag body 10 and a protective member 30. The protective member 30 is arranged outside the airbag body 10, and the support member 20 is suitable for being arranged inside the airbag body 10 and supporting the airbag body 10 so as to abut the airbag body 10 against the protective member 30. The side of the support member 20 suitable for contacting with the airbag body 10 is provided with an anti-slip portion 21.

[0034] Specifically, in the airbag 100 of the present application, the airbag body 10 is located between the protective member 30 and the support member 20, the protective member 30 protects the outside of the airbag body 10, the protective member 30 can prevent the airbag body 10 from being scratched or damaged, the support member 20 supports the airbag body 10 and the protective member 30 from the inside, and the support member 20 can limit the position of the airbag body 10 and the protective member 30. When the airbag body 10 moves or there is a change in air pressure in the air spring, the airbag body 10 generates radial and axial pressure, and the generated pressure applies omnidirectional pressure to the protective member 30, and the support member 20 can limit the relative sliding of the airbag body 10 and the protective member 30, thereby ensuring that the air spring can normally realize the corresponding rigid support function.

[0035] It should be noted that the present application provides an anti-slip portion 21 on the outer side of the support member 20 to form a special surface structure on the outer side of the support portion to increase the friction between the support member 20 and the airbag body 10. The structural size and number of the anti-slip portion 21 can be adjusted to achieve support and positioning of different types of protective members 30, so that the airbag body 10 is evenly squeezed at the buckling point of the protective member 30, thereby avoiding excessive squeezing of the airbag body 10 due to the incompatibility between the buckling point of the protective member 30 and the support member 20, causing the airbag body 10 to be damaged due to excessive squeezing.

[0036] According to the airbag 100 of the embodiment of the utility model, the support member 20 and the protective member 30 cooperate to clamp and fix the airbag body 10 located therebetween, and the support member 20 realizes stable installation between the protective member 30 and the airbag body 10. By setting the anti-slip portion 21, the friction between the support member 20 and the airbag body 10 can be increased, thereby improving the stability of the support member 20 in supporting and limiting the airbag body 10 and the protective member 30, and improving the controllability of the product, thereby reducing the requirements for process consistency.

[0037] like Figure 1 and Figure 5 As shown, in some embodiments, the anti-slip portion 21 has a plurality of anti-slip lines 211, and the plurality of anti-slip lines 211 are arranged at intervals in the height direction of the support member 20. The anti-slip portion 21 protrudes from the side of the support member 20 in contact with the airbag body 10, and extends toward the airbag body 10.

[0038] Specifically, the anti-slip portion 21 is an annular structure arranged on the outer side of the support member 20. Exemplarily, it can be composed of multiple parallel annular anti-slip lines 211 at intervals; it can also be constructed as a threaded structure, and of course it can also be constructed as other pattern structures according to needs. The anti-slip portion 21 is protruded from the outer side of the support member 20 toward the direction of the airbag body 10. In this way, the structure of the anti-slip portion 21 is simple and easy to set. By setting the anti-slip portion 21, the friction between the support member 20 and the airbag body 10 can be increased, thereby effectively improving the anti-slip performance of the support member 20 and the airbag body 10 after being buckled.

[0039] like Figure 1 and Figure 5 As shown, in some embodiments, the support member 20 is configured as a circular support ring structure. A chamfer 22 is formed between the top surface of the support ring and one side of the support ring where the anti-slip portion 21 is provided, or a fillet 23 is formed between the top surface of the support ring and one side of the support ring where the anti-slip portion 21 is provided.

[0040] Specifically, the airbag body 10 that cooperates with the support member 20 is constructed as a cylindrical portion 11. The support member 20 is constructed as a circular support ring structure, which can better cooperate with the airbag body 10 and further support the airbag body 10 and the protective member 30 more stably.

[0041] It should be noted that the top surface of the support ring can be a single one, or it can include a first top surface and a second top surface in the height direction, that is, one of the two side surfaces of the support ring in the height direction can form a chamfer 22 or a fillet 23 with one side of the anti-slip portion 21, or both side surfaces of the support ring in the height direction can form a chamfer 22 or a fillet 23 with one side of the anti-slip portion 21. If both side surfaces of the support ring in the height direction form a chamfer 22 or a fillet 23 with one side of the anti-slip portion 21, the upper side surface of the support ring is the first top surface, and the lower side surface of the support ring is the second top surface.

[0042] A chamfer 22 or a fillet 23 is provided between the top surface of the support ring and the outer surface of the support ring, so that the contact area between the support ring and the airbag body 10 can be increased, so that the support ring and the airbag body 10 fit more closely, and the fit between the two is improved, and the problem of uneven compression size of the airbag body 10 caused by the mismatch between the protective part 30 and the support ring is avoided. When the support ring supports the airbag body 10, the compression size of the airbag body 10 is more uniform, and the uniformity of the supporting force of the support ring is enhanced.

[0043] like Figure 1 and Figure 5 As shown, the top surface of the support ring transitions to the chamfered corner 23 of the chamfered corner 22 at the top of the support ring. A rounded corner 23 with a smooth transition is formed between the chamfered surface at the top of the support ring and the top surface. This arrangement avoids forming a sharp angle structure between the support ring and the airbag body 10, so as to avoid the support ring scratching and damaging the airbag body 10, and can further improve the fit between the support ring and the airbag body 10.

[0044] The airbag according to the embodiment of the utility model comprises: an airbag body 10, a protective member 30 and the support member 20 in the above embodiment, wherein the protective member 30 is arranged outside the airbag body 10, and the support member 20 is arranged inside the airbag body 10 and supports the airbag body 10, so that the airbag body 10 abuts against the protective member 30. The support member 20 and the protective member 30 cooperate to clamp and fix the airbag body 10 located therebetween, and the protective member 30 can protect the airbag body 10, improve the safety of the use of the airbag body 10, and prevent it from being scratched or damaged. The support member 20 realizes the stable installation between the protective member 30 and the airbag body 10, and the friction between the support member 20 and the airbag body 10 can be increased by setting the anti-slip portion 21, thereby improving the stability of the support member 20 in supporting and limiting the airbag body 10 and the protective member 30.

[0045] like Figure 1-Figure 4 As shown, in some embodiments, the protective member 30 has a limiting portion 31, which cooperates with the support member 20, and the limiting portion 31 has a limiting area 311 and a limiting end 312. The limiting area 311 is protruding from the outer wall of the protective member 30, and the support member 20 is correspondingly arranged in the limiting area 311. The limiting end 312 is suitable for limiting the position of the support member 20 in the height direction.

[0046] Specifically, the support member 20 supports the protective member 30 from the inside of the airbag body 10, and applies pressure to the airbag body 10 from the inside to the outside. After the protective member 30, the airbag body 10 and the support member 20 are connected by pressure buckling, the protective member 30 is deformed to form a limiting portion 31. The limiting portion 31 is constructed as a wave-shaped structure. The position where the protective member 30 cooperates with the outer side surface of the support member 20 protrudes outward to form a limiting area, and the protective member 30 on the two side surfaces in the height direction close to the support member 20 is recessed inward to form a limiting end. The limiting portion 31 is set to a wave-shaped structure, so that the limiting portion 31 can better limit the support member 20, and the support member 20 can be evenly stressed, thereby ensuring that the protective member 30, the airbag body 10 and the support member 20 are stably connected.

[0047] like Figure 1 and Figure 3-Figure 4 As shown, in some embodiments, the airbag body 10 has a cylindrical portion 11 and a tapered portion 12 , the diameter of the tapered portion 12 gradually decreases in a direction away from the cylindrical portion 11 , and the support member 20 is disposed at one end of the cylindrical portion 11 close to the tapered portion 12 .

[0048] It should be noted that the diameter of the cylindrical portion 11 of the airbag body 10 is greater than the diameter of the tapered portion 12. In the height direction of the airbag body 10, the cylindrical portion 11 is located above the tapered portion 12. The support member 20 is supported by the cylindrical portion 11, and the bottom surface of the support member 20 is located above the tapered portion 12. The diameter of the tapered portion 12 is smaller than the diameter of the support member 20, and it can support the support member 20. In this way, the airbag body 10 is set to a structure with different diameters in the upper and lower parts, and the tapered portion 12 at the lower end of the airbag body 10 is set to gradually decrease in diameter in the downward direction, which can reduce the inflation diameter of the lower end of the airbag body 10, meet the situation that the diameters of the connecting parts at the upper and lower ends of the airbag body 10 are different, and the tapered portion 12 is set below the support member 20, so that the tapered portion 12 can limit the position of the support member 20 and prevent the support member 20 from moving downward.

[0049] According to the air spring of the utility model embodiment, it includes the airbag 100 of any one of the above embodiments. The airbag 100 of the present application is applied to the air spring. When the air pressure of the air spring changes, the pressure generated by the airbag body 10 applies pressure to the protective member 30. The protective member 30 can constrain the airbag body 10 and protect the airbag body 10 from being scratched and damaged by surrounding parts or external sand and gravel. The support member 20 can limit the position of the airbag body 10 and the protective member 30, so that the air spring can normally play its rigid support role, make the supporting force of the air spring more uniform, and improve the life and safety of the air spring.

[0050] The vehicle according to the embodiment of the utility model includes the air spring in the above embodiment. The air spring of the present application is adopted to improve the riding comfort of the vehicle and reduce the maintenance and use costs.

[0051] In the description of the present invention, it should be understood that the terms "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0052] In the description of the present invention, "first feature" or "second feature" may include one or more of the features.

[0053] In the description of the present invention, "plurality" means two or more.

[0054] In the description of the present invention, a first feature being “above” or “below” a second feature may include that the first and second features are directly in contact with each other, or may include that the first and second features are not in direct contact but are in contact with each other via another feature therebetween.

[0055] In the description of the present invention, a first feature “above”, “over” and “above” a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature.

[0056] In the description of the present invention, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0057] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A support member for an airbag, the airbag comprising an airbag body and a protective member, the protective member being arranged outside the airbag body, characterized in that: The support member is suitable for being arranged inside the airbag body and supporting the airbag body so as to make the airbag body abut against the protective member, and a side of the support member that is suitable for contacting with the airbag body is provided with an anti-slip portion.

2. The support member according to claim 1, characterized in that The anti-slip portion has a plurality of anti-slip lines, and the plurality of anti-slip lines are arranged at intervals in the height direction of the support member.

3. The support member according to claim 1, characterized in that The anti-slip portion protrudes from a side of the support member that contacts the airbag body and extends toward the airbag body.

4. The support member according to claim 1, characterized in that The support member is configured as a circular support ring structure.

5. The support member according to claim 4, characterized in that A chamfer is formed between the top surface of the support ring and the side of the support ring where the anti-slip portion is provided, or a rounded corner is formed between the top surface of the support ring and the side of the support ring where the anti-slip portion is provided.

6. The support member according to claim 5, characterized in that The top surface of the support ring transitions to the chamfered bevel fillet located at the top of the support ring.

7. An airbag, characterized in that: include: An airbag body, a protective member, and a support member according to any one of claims 1 to 6, wherein the protective member is arranged outside the airbag body, and the support member is arranged inside the airbag body and supports the airbag body so that the airbag body abuts against the protective member.

8. The airbag according to claim 7, characterized in that: The protective member has a limiting portion, which cooperates with the supporting member. The limiting portion has a limiting area and a limiting end. The limiting area is protruding from the outer wall of the protective member, and the supporting member is correspondingly arranged in the limiting area. The limiting end is suitable for limiting the position of the supporting member in the height direction.

9. The airbag according to claim 7, characterized in that: The airbag body has a cylindrical portion and a tapered portion, the diameter of the tapered portion gradually decreases in a direction away from the cylindrical portion, and the support member is arranged at one end of the cylindrical portion close to the tapered portion.

10. An air spring, characterized in that: include: The airbag according to any one of claims 7 to 9.

11. A vehicle, characterized in that: include: The air spring of claim 10.

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