High-strength double-membrane type air spring assembly

Abstract

The utility model relates to the technical field of membrane type air springs, in particular to a high-strength double-membrane type air spring assembly which comprises a base and an ejector block, a protective device is arranged at the upper end of a sealing plug, and the surfaces of a plurality of movable rods are slidably connected with first adjusting blocks in threaded connection with first mounting grooves. First anti-rotation devices are arranged on the side surfaces of the multiple first adjusting blocks, second adjusting blocks are arranged at the lower end of the sleeve, and second anti-rotation devices are arranged between the second additional block and the multiple second adjusting blocks. When the air spring is installed, if the position of the compression spring is not appropriate, the first adjusting block is rotated to the appropriate position by rotating the first operation part, meanwhile, the second adjusting block is rotated to the appropriate position, at the moment, the compression spring is adjusted to the appropriate position, and the air spring is convenient to install and debug; the air spring is provided with the protection device, the sealing plug is prevented from falling off and aging, and tight sealing of the air spring is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of diaphragm air spring especially relates to high strength double diaphragm air spring assembly. BACKGROUND

[0002] Diaphragm air spring is a kind of device that utilizes the air bag of rubber and the air of internal pressure to form a counteractive force, ensures timely recovery of certain elasticity.The structure of diaphragm air spring is that there is a cylindrical rubber capsule between cover plate and base, can change the state of extension and contraction and pressure change through the rubber air bag, and can also assist the air bag to not change due to large impact, guarantee comprehensive safety on extension.

[0003] For example, the authorized announcement number "CN212318620U" is named high-strength double diaphragm air spring system, through the mutual cooperation of base, reinforcing block, fixed tube, compression spring, movable rod, fixed block, top block and air spring body, the purpose of high strength of the double diaphragm air spring can be achieved, the daily consumption of the double diaphragm air spring is reduced, and the service life of the double diaphragm air spring is prolonged.

[0004] The above and prior art have the following defects: the compression spring of the air spring cannot adjust its installation position, which is inconvenient for installation and debugging;The sealing plug of the air spring is easy to fall off or age due to the absence of a protective device, thereby causing the air spring to be not tightly sealed. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a high-strength double diaphragm air spring assembly.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] The utility model discloses a high -strength double -membrane air spring assembly, including base and top block, be equipped with air spring body between the base and top block, the top block upper surface is equipped with the air inlet that communicates with air spring body, the air inlet inner wall is equipped with sealing plug, the sealing plug upper end is equipped with the protection device, the base side surface annularly is equipped with first additional block, the top block side surface annularly is equipped with second additional block, a plurality of first installation groove are opened to the first additional block upper surface annularly, a plurality of the first installation groove lower inner wall all are equipped with movable rod, a plurality of movable rod surfaces all are connected with the first adjusting block of first installation groove screw connection and slide, a plurality of first adjusting block side surfaces all are equipped with first anti -rotation device, a plurality of first adjusting block upper ends all are equipped with first operation part, the second additional block lower surface is equipped with a plurality of sleeve all with corresponding movable rod slide connection, the sleeve lower end is equipped with second adjusting block, the second additional block and a plurality of second adjusting block between all are equipped with second anti -rotation device, the second adjusting block and first operation part between are equipped with the compression spring of sleeve in movable rod.

[0008] Preferably, the protection device includes two L-shaped blocks, both lower ends of the two L-shaped blocks are connected with the upper surface of the top block, one end of each L-shaped block is provided with a bottom plate, the side surface of each L-shaped block facing each other is slidably connected with a sliding block, the sliding block and the bottom plate are provided with a return spring, one side surface of the sliding block is provided with a cover plate, the side surface of the cover plate away from the sliding block is provided with a second operation part.

[0009] Preferably, the first anti-rotation device includes a flange portion, the flange portion is annularly arranged on the side surface of the first adjusting block, a plurality of first mounting screws are arranged above the flange portion, the lower ends of the plurality of first mounting screws penetrate through the flange portion and are screw-connected with the first additional block.

[0010] Preferably, the upper surface of the first additional block is provided with a shielding ridge, and a pressing device is arranged between the flange portion and the first additional block.

[0011] Preferably, the pressing device includes a pressing block, the pressing block is slidably connected with the shielding ridge, the lower ends of the plurality of first mounting screws penetrate through the pressing block, a plurality of first mounting screws are externally sleeved with a pressing spring, the upper end of the pressing spring is connected with the lower surface of the flange portion, and the lower end of the pressing spring is connected with the upper surface of the first additional block.

[0012] Preferably, the second anti-rotation device includes a second installation groove, the second installation groove is arranged on the upper surface of the second additional block, the interior of the second installation groove is provided with two second installation screws screw-connected with the second additional block, a plurality of anti-rotation holes are arranged on the upper surface of the second adjusting block, and the lower ends of the two second installation screws extend into the corresponding anti-rotation holes.

[0013] The utility model discloses a high -strength double -membrane type air spring assembly has beneficial effect at: if the position of compression spring is inappropriate when installing, through rotating first operation part, make first adjusting block rotate to appropriate position, rotate second adjusting block simultaneously, make second adjusting block rotate to appropriate position, at this moment, adjust compression spring to appropriate position, and this air spring is convenient for installation debugging, set up the protective device, through manual operation second operation part, make the covering plate move to one side, then can take down or install the sealing plug, after taking down or installing the sealing plug, under the action of reset spring, can make the covering plate return to the top of sealing plug, and the air spring sets up the protective device, avoids sealing plug to fall off and ageing, ensures that this air spring is sealed tightly. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structure section view of the utility model;

[0015] Figure 2 It is protective device structure schematic view of the utility model;

[0016] Figure 3 It is first operation part and flange part structure schematic view of the utility model;

[0017] Figure 4 It is A position enlarged view of the utility model;

[0018] Figure 5 It is B position enlarged view of the utility model;

[0019] Figure 6 It is C position enlarged view of the utility model.

[0020] In the drawing: base 1, top block 2, air spring body 3, air inlet 4, sealing plug 5, first additional block 6, second additional block 7, first installation slot 8, movable rod 9, first adjusting block 10, first operation part 11, sleeve 12, compression spring 13, L type block 14, bottom plate 15, sliding block 16, reset spring 17, covering plate 18, second operation part 19, flange part 20, first installation screw rod 21, abutting block 22, abutting spring 23, shielding along 24, second installation slot 25, second installation screw rod 26, second adjusting block 27, anti -rotation hole 28. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments.

[0022] REFERENCE Figures 1-6The utility model provides a high -strength double -membrane air spring assembly, including base 1 and top block 2, be equipped with air spring body 3 between base 1 and top block 2, top block 2 upper surface is equipped with with air spring body 3 intercommunication's air inlet 4, the inner wall of air inlet 4 is equipped with sealing plug 5, and the upper end of sealing plug 5 is equipped with protective device, and the side surface annular of base 1 is equipped with first additional block 6, and the side surface annular of top block 2 is equipped with second additional block 7, and the upper surface of first additional block 6 is equipped with a plurality of first installation groove 8, and the lower inner wall of a plurality of first installation groove 8 is equipped with movable rod 9, and the surface of a plurality of movable rod 9 is slidably connected with the first adjusting block 10 of first installation groove 8 screw connection, and the side surface of a plurality of first adjusting block 10 is equipped with first anti -rotation device, and the upper end of a plurality of first adjusting block 10 is equipped with first operating part 11, and the lower surface of second additional block 7 is equipped with a plurality of sleeve 12 all with corresponding movable rod 9 sliding connection, and the lower end of sleeve 12 is equipped with second adjusting block 27, and the second adjusting block 27 and a plurality of second adjusting block 27 between are equipped with second anti -rotation device, and second adjusting block 27 with first operating part 11 between is equipped with compression spring 13 on movable rod 9.

[0023] Protective device includes two L type blocks 14, and the lower end of two L type blocks 14 is connected with the upper surface of top block 2, and one end of two L type blocks 14 is equipped with bottom plate 15, and the side surface of two L type blocks 14 opposite is slidably connected with sliding block 16, and the sliding block 16 and bottom plate 15 between are equipped with reset spring 17, and the side surface of sliding block 16 is equipped with cover plate 18, and the side surface of cover plate 18 away from sliding block 16 is equipped with second operating part 19.

[0024] First anti -rotation device includes flange portion 20, and the flange portion 20 annular is arranged on the side surface of first adjusting block 10, and the upper side of flange portion 20 is equipped with a plurality of first installation screw rod 21, and the lower end of a plurality of first installation screw rod 21 is all through flange portion 20 and is screw connected with first additional block 6.

[0025] The upper surface of first additional block 6 is equipped with shielding edge 24, and the shielding edge 24 is arranged to shield the abutting spring 23, and the flange portion 20 and first additional block 6 between are equipped with abutting device.

[0026] Abutting device includes abutting block 22, and the abutting block 22 is slidably connected with shielding edge 24, and the lower end of a plurality of first installation screw rod 21 is through abutting block 22, and the outside of a plurality of first installation screw rod 21 is all equipped with abutting spring 23, and the upper end of abutting spring 23 is connected with the lower surface of flange portion 20, and the lower end of abutting spring 23 is connected with the upper surface of first additional block 6. By flange portion 20 compression abutting block 22, under the action of abutting spring 23, flange portion 20 can be abutted, prevent flange portion 20 from rotating.

[0027] The second anti-rotation device comprises a second mounting slot 25 formed on the upper surface of the second additional block 7, and two second mounting screws 26 are arranged in the second mounting slot 25 and are screwed with the second additional block 7; a plurality of anti-rotation holes 28 are formed on the upper surface of the second adjusting block 27, the depth of the anti-rotation holes 28 is greater than the extension distance of the double-membrane air spring, and the lower ends of the two second mounting screws 26 extend into the corresponding anti-rotation holes 28.

[0028] Working principle: in use, the top block 2 sinks under force, the air spring body 3 is compressed under force, the air in the air spring body 3 is compressed downward in the air spring body 3, at the same time, the top block 2 drives the second additional block 7 to move downward, the sleeve 12 sinks under force driven by the second additional block 7, and the compression spring 13 deforms and stores energy, under the compression and rebounding force of the air in the inner wall of the air spring body 3 and the extension force of the compression spring 13, the top block 2 is reset, so that the extension work of the double-membrane air spring is completed. When installing, if the position of the compression spring 13 is not appropriate, the first adjusting block 10 is rotated to the appropriate position by rotating the first operation part 11, at the same time, the second adjusting block 27 is rotated to the appropriate position, at this time, the compression spring 13 is adjusted to the appropriate position, the first anti-rotation device is arranged, the first mounting screw 21 is penetrated through the through hole in the flange part 20, and then is screwed and fixed with the corresponding threaded hole in the first additional block 6, so as to avoid the rotation of the first adjusting block 10 and the first operation part 11; the second anti-rotation device is arranged, the second mounting screw 26 is screwed and connected with the inner wall of the second mounting slot 25, and then the lower end of the second mounting screw 26 extends into the corresponding anti-rotation hole 28, since the depth of the anti-rotation hole 28 is greater than the extension distance of the double-membrane air spring, the rotation of the second adjusting block 27 is avoided.

[0029] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. High-strength double membrane air spring assembly, comprising a base (1) and a top block (2), characterized in that, The base (1) and the top block (2) are provided with an air spring body (3), the upper surface of the top block (2) is provided with an air inlet (4) communicated with the air spring body (3), the inner wall of the air inlet (4) is provided with a sealing plug (5), the upper end of the sealing plug (5) is provided with a protection device, the side surface of the base (1) is annularly provided with a first additional block (6), the side surface of the top block (2) is annularly provided with a second additional block (7), the upper surface of the first additional block (6) is annularly provided with a plurality of first installation grooves (8), the lower inner wall of each of the first installation grooves (8) is provided with a movable rod (9), the surface of each of the movable rods (9) is slidably connected with a first adjusting block (10) threadedly connected with the first installation groove (8), the side surface of each of the first adjusting blocks (10) is provided with a first anti-rotation device, the upper end of each of the first adjusting blocks (10) is provided with a first operation part (11), the lower surface of the second additional block (7) is provided with a plurality of sleeves (12) slidably connected with corresponding movable rods (9), the lower end of each of the sleeves (12) is provided with a second adjusting block (27), each of the second adjusting blocks (27) and the second additional block (7) is provided with a second anti-rotation device, and the second adjusting block (27) and the first operation part (11) are provided with a compression spring (13) sleeved on the movable rod (9).

2. The high strength double tube air spring assembly of claim 1, wherein, The protection device comprises two L-shaped blocks (14), the lower ends of the two L-shaped blocks (14) are connected with the upper surface of the top block (2), one end of each of the two L-shaped blocks (14) is provided with a bottom plate (15), the side surfaces of the two L-shaped blocks (14) facing each other are slidably connected with a sliding block (16), the sliding block (16) and the bottom plate (15) are provided with a reset spring (17), and the side surface of the sliding block (16) is provided with a cover plate (18), and the side surface of the cover plate (18) away from the sliding block (16) is provided with a second operation part (19).

3. The high strength double tube air spring assembly of claim 1, wherein, The first anti-rotation device comprises a flange part (20) annularly arranged on the side surface of the first adjusting block (10), and a plurality of first installation screws (21) are arranged above the flange part (20), and the lower ends of the first installation screws (21) penetrate through the flange part (20) and are threadedly connected with the first additional block (6).

4. The high strength double tube air spring assembly of claim 3, wherein, The upper surface of the first additional block (6) is provided with a shielding edge (24), and the flange part (20) and the first additional block (6) are provided with a abutting device.

5. The high strength double tube air spring assembly of claim 4, wherein, The abutting device comprises an abutting block (22) slidably connected with the shielding edge (24), the lower ends of the first installation screws (21) penetrate through the abutting block (22), the outer parts of the first installation screws (21) are sleeved with abutting springs (23), the upper ends of the abutting springs (23) are connected with the lower surface of the flange part (20), and the lower ends of the abutting springs (23) are connected with the upper surface of the first additional block (6).

6. The high strength double tube air spring assembly of claim 1, wherein, The second anti-rotation device comprises a second mounting groove (25) which is arranged on the upper surface of the second additional block (7), and two second mounting screws (26) which are arranged in the second mounting groove (25) and are screwed with the second additional block (7); the upper surface of the second adjusting block (27) is provided with a plurality of anti-rotation holes (28), and the lower ends of the two second mounting screws (26) are inserted into the corresponding anti-rotation holes (28).

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