Air bag type oil-gas separation shock absorber

Abstract

The utility model discloses an air bag type oil-gas separation shock absorber which comprises a base plate, the top of the base plate is fixedly connected with a connecting source, the top of the connecting source is communicated with an air bag contraction cylinder, the front face and the back face of the connecting source are both fixedly connected with round-head protruding plates, and the inner sides of the round-head protruding plates are movably connected with positive and negative tooth lead screws through bearings. The surface of the positive and negative tooth lead screw is sleeved with a shifting wheel, the two sides of the surface of the positive and negative tooth lead screw are in threaded connection with longitudinal screw plates, the tops of the longitudinal screw plates extend to the outer side of the air bag contraction cylinder, and the tops of the inner sides of the longitudinal screw plates are fixedly connected with fixing lugs. According to the air bag type oil-gas separation shock absorber, the phenomenon that the sealing performance of the connecting position of a traditional air bag is not enough is changed, the sealing cover and the sealing strip are adopted for sealing treatment, when the shock absorber runs on a bumpy road, chronic air leakage of the air bag cannot be caused, the internal air pressure cannot be unstable, the precision of pneumatic adjustment cannot be lost, and the service life of the shock absorber is prolonged. And the safety of the vehicle is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of shock absorbers, in particular to an air bag type oil-gas separation shock absorber. Background Art

[0002] According to the patents published on the China Patent Network, the patent name is: Airbag oil-gas separation shock absorber, and the patent number is: 202020101121.6. The utility model belongs to the technical field of shock absorbers, specifically an airbag oil-gas separation shock absorber, including a cylinder, an oil cylinder is connected to the internal sliding sleeve of the cylinder, and an air storage chamber is provided between the cylinder and the oil cylinder, and the air storage chamber is filled with high-pressure gas. A piston rod is fixedly connected to the inner bottom of the cylinder, one end of the piston rod passes through the top of the oil cylinder and extends inward, and one end of the extended piston rod is fixedly connected to a piston, and the piston divides the oil cylinder into an upper chamber and a lower chamber, and the upper chamber and the lower chamber are filled with shock-absorbing oil. A floating piston is provided at the inner bottom of the oil cylinder. The utility model applies the principle of a single-tube shock absorber to a double-tube shock absorber design, and the oil-gas separation of the shock absorber is more reliable, which solves the difficult problem of oil-gas mixing of the double-tube shock absorber and various faults caused by abnormal recovery and compression compensation, and has strong generalizability, and most of the ordinary double-tube shock absorbers can be designed as a single-tube principle structure.

[0003] The airbag connection of the airbag oil-gas separation shock absorber mentioned above is mostly directly connected to the piston rod. If the vehicle runs on a rough road for a long time, it is very likely to cause chronic air leakage in the airbag. If the air leakage is too much, the internal air pressure will be unstable, and eventually the accuracy of pneumatic regulation will be lost, affecting the safety of the vehicle.

[0004] Therefore, it is necessary to redesign the airbag type oil-gas separation shock absorber to effectively prevent the phenomenon of insufficient sealing at the airbag connection. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the purpose of the utility model is to provide an airbag type oil-gas separation shock absorber, which has the advantage of increasing the sealing of the airbag connection to prevent air leakage, and solves the problem of insufficient sealing of the airbag connection.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an airbag oil-gas separation shock absorber comprises a chassis, the top of the chassis is fixedly connected with a connection source, the top of the connection source is connected with an airbag shrinkage tube, the front and back sides of the connection source are fixedly connected with round-head convex plates, the inner side of the round-head convex plate is movably connected with positive and negative screw rods through bearings, the surface of the positive and negative screw rods is sleeved with a toggle wheel, both sides of the surface of the positive and negative screw rods are threadedly connected with screw longitudinal plates, the top of the screw longitudinal plate extends to the outside of the airbag shrinkage tube, the top of the inner side of the screw longitudinal plate is fixedly connected with a fixing ear, the inner side of the fixing ear is fixedly connected with a sealing cover, the inner side of the sealing cover is provided with a sealing strip, the top of the round-head convex plate is slidably connected with a connecting plate, the top of the inner side of the connecting plate is fixedly connected with a flat plate, the inner side of the outer side of the flat plate is fixedly connected with a clamping plate, and the outer side of the clamping plate passes through the interior of the screw longitudinal plate.

[0007] As a preferred embodiment of the utility model, a horizontal plate is fixedly connected to the bottom of the inner side of the round head convex plate, a sliding rod is fixedly connected to the bottom of the screw longitudinal plate, and the bottom of the sliding rod is slidably connected to the inside of the connecting plate.

[0008] As a preferred embodiment of the utility model, a toggle rod is fixedly connected to the surface of the toggle wheel, and the toggle rod is used in conjunction with the toggle wheel.

[0009] As a preferred embodiment of the present invention, sliding grooves are provided on both sides of the top of the horizontal plate, and the bottom of the sliding rod is slidably connected to the inside of the sliding grooves.

[0010] As a preferred embodiment of the utility model, a groove is formed on the top of the round-head convex plate, and the bottom of the connecting plate is slidably connected to the inside of the groove.

[0011] As a preferred embodiment of the present invention, a circular hole is opened at the bottom of the inner side of the screw longitudinal plate, and the circular hole is used in conjunction with the screw longitudinal plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model airbag type oil-gas separation shock absorber changes the problem of insufficient sealing at the connection of the traditional airbag, and adopts a sealing cover and a sealing strip for sealing. When driving on a rough road, it will not cause chronic leakage of the airbag, nor will it cause unstable internal air pressure, and will not lose the accuracy of pneumatic adjustment, thereby ensuring the safety of the vehicle.

[0014] 2. The utility model can make the movement of the screw longitudinal plate smoother through the arrangement of the transverse plate and the slide rod, and at the same time has a limiting effect on the moving trajectory of the screw longitudinal plate, thereby avoiding the deviation of the screw longitudinal plate.

[0015] 3. The utility model can facilitate users to rotate the toggle wheel by setting the toggle lever, thereby increasing the convenience of users.

[0016] 4. The utility model can make the slide bar slide more smoothly inside the cross plate through the setting of the slide groove, thereby reducing the friction between the slide bar and the cross plate, extending the service life of the slide bar, and at the same time having a limiting effect on the slide bar.

[0017] 5. The utility model can make the connecting plate move more stably on the top of the round head convex plate through the setting of the strip groove, thereby preventing the connecting plate from tilting.

[0018] 6. The utility model can make the positive and negative threaded screws and the screw longitudinal plate cooperate more smoothly through the provision of the circular hole, avoiding the phenomenon of the positive and negative threaded screws being blocked and stuck, while also ensuring the smooth operation of the screw longitudinal plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 The utility model structure Figure 1 The structure diagram at A is enlarged;

[0021] Figure 3 It is an exploded view of the local structure of the utility model.

[0022] In the figure: 1. chassis; 2. connection source; 3. airbag retraction cylinder; 4. round head convex plate; 5. positive and negative threaded screw rod; 6. toggle wheel; 7. screw longitudinal plate; 8. fixing ear; 9. sealing cover; 10. sealing strip; 11. connecting plate; 12. flat plate; 13. clamping plate; 14. horizontal plate; 15. sliding rod; 16. toggle rod; 17. sliding groove; 18. strip groove; 19. round hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figures 1 to 3As shown, the airbag oil-gas separation shock absorber provided by the utility model includes a chassis 1, a connection source 2 is fixedly connected to the top of the chassis 1, an airbag contraction tube 3 is connected to the top of the connection source 2, a round-head convex plate 4 is fixedly connected to the front and back sides of the connection source 2, a positive and negative screw rod 5 is movably connected to the inner side of the round-head convex plate 4 through a bearing, a toggle wheel 6 is sleeved on the surface of the positive and negative screw rod 5, a screw longitudinal plate 7 is threadedly connected to both sides of the surface of the positive and negative screw rod 5, the top of the screw longitudinal plate 7 extends to the outside of the airbag contraction tube 3, a fixing ear 8 is fixedly connected to the top of the inner side of the screw longitudinal plate 7, a sealing cover 9 is fixedly connected to the inner side of the fixing ear 8, a sealing strip 10 is arranged on the inner side of the sealing cover 9, a connecting plate 11 is slidably connected to the top of the round-head convex plate 4, a flat plate 12 is fixedly connected to the top of the inner side of the connecting plate 11, a clamping plate 13 is fixedly connected to the inner side of the outer side of the flat plate 12, and the outer side of the clamping plate 13 passes through the interior of the screw longitudinal plate 7.

[0025] refer to Figure 2 The bottom of the inner side of the round head convex plate 4 is fixedly connected with a horizontal plate 14, the bottom of the screw longitudinal plate 7 is fixedly connected with a slide rod 15, and the bottom of the slide rod 15 is slidably connected to the inside of the connecting plate 11.

[0026] As a technical optimization solution of the utility model, the arrangement of the transverse plate 14 and the slide bar 15 can make the screw longitudinal plate 7 move more smoothly, and at the same time, it has a limiting effect on the moving trajectory of the screw longitudinal plate 7 to avoid the deviation of the screw longitudinal plate 7.

[0027] refer to Figure 2 A toggle rod 16 is fixedly connected to the surface of the toggle wheel 6 , and the toggle rod 16 is used in conjunction with the toggle wheel 6 .

[0028] As a technical optimization solution of the present invention, the setting of the toggle lever 16 can facilitate the user to rotate the toggle wheel 6, thereby increasing the convenience of the user.

[0029] refer to Figure 2 Both sides of the top of the horizontal plate 14 are provided with slide grooves 17, and the bottom of the slide rod 15 is slidably connected to the inside of the slide groove 17.

[0030] As a technical optimization solution of the utility model, the setting of the slide groove 17 can make the slide rod 15 slide more smoothly inside the cross plate 14, reduce the friction between the slide rod 15 and the cross plate 14, extend the service life of the slide rod 15, and at the same time have a limiting effect on the slide rod 15.

[0031] refer to Figure 2 A groove 18 is formed on the top of the round head convex plate 4 , and the bottom of the connecting plate 11 is slidably connected to the inside of the groove 18 .

[0032] As a technical optimization solution of the present invention, the arrangement of the strip groove 18 can make the connecting plate 11 move more stably on the top of the round head convex plate 4, thereby preventing the connecting plate 11 from tilting.

[0033] refer to Figure 2 A circular hole 19 is provided at the bottom of the inner side of the screw longitudinal plate 7, and the circular hole 19 is used in conjunction with the screw longitudinal plate 7.

[0034] As a technical optimization solution of the utility model, the provision of the circular hole 19 can make the forward and reverse threaded rods 5 and the screw longitudinal plate 7 cooperate more smoothly, avoiding the phenomenon of the forward and reverse threaded rods 5 being blocked and stuck, while also ensuring the smooth operation of the screw longitudinal plate 7.

[0035] The working principle and use process of the utility model are as follows: first, the user drives the toggle wheel 6 to rotate through the toggle rod 16, and the toggle wheel 6 drives the forward and reverse screw rods 5 to rotate. When the forward and reverse screw rods 5 rotate, the screw longitudinal plate 7 will also move to the side close to the toggle wheel 6 as the thread rotates, and then the screw longitudinal plate 7 will drive the fixing ear 8 and the sealing cover 9 to move inward, and then the sealing strip 10 will be placed on the sealing cover 9, so that the connection between the connection source 2 and the airbag contraction tube 3 is tightly sealed, and then the connecting plate 11 is pushed to move outward, and the connecting plate 11 drives the flat plate 12 to move outward, and the flat plate 12 drives the card plate 13 to move outward, so that the card plate 13 penetrates into the interior of the screw longitudinal plate 7, so as to achieve the effect of increasing the sealing of the airbag connection to prevent air leakage.

[0036] In summary: the airbag type oil-gas separation shock absorber changes the problem of insufficient sealing at the connection of the traditional airbag through the airbag type oil-gas separation shock absorber, and adopts a sealing cover 9 and a sealing strip 10 for sealing. It will not cause chronic leakage of the airbag when driving on rough roads, nor will it cause unstable internal air pressure, and will not lose the accuracy of pneumatic regulation, thereby ensuring the safety of the vehicle.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art 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 appended claims and their equivalents.

Claims

1. An airbag type oil-gas separation shock absorber, comprising a chassis (1), characterized in that: The top of the chassis (1) is fixedly connected to a connection source (2), the top of the connection source (2) is connected to an airbag shrinking tube (3), the front and back of the connection source (2) are fixedly connected to round head convex plates (4), the inner side of the round head convex plate (4) is movably connected to a positive and negative threaded rod (5) through a bearing, the surface of the positive and negative threaded rod (5) is sleeved with a toggle wheel (6), both sides of the surface of the positive and negative threaded rod (5) are threadedly connected to a screw longitudinal plate (7), the top of the screw longitudinal plate (7) extends to the airbag shrinking tube (3 ), a fixing ear (8) is fixedly connected to the top of the inner side of the screw longitudinal plate (7), a sealing cover (9) is fixedly connected to the inner side of the fixing ear (8), a sealing strip (10) is arranged on the inner side of the sealing cover (9), a connecting plate (11) is slidably connected to the top of the round head convex plate (4), a flat plate (12) is fixedly connected to the top of the inner side of the connecting plate (11), a clamping plate (13) is fixedly connected to the inner side of the outer side of the flat plate (12), and the outer side of the clamping plate (13) penetrates into the interior of the screw longitudinal plate (7).

2. The airbag type oil-gas separation shock absorber according to claim 1 is characterized in that: The bottom of the inner side of the round head convex plate (4) is fixedly connected to a transverse plate (14), the bottom of the screw longitudinal plate (7) is fixedly connected to a sliding rod (15), and the bottom of the sliding rod (15) is slidably connected to the inside of the connecting plate (11).

3. The airbag type oil-gas separation shock absorber according to claim 1 is characterized in that: A toggle rod (16) is fixedly connected to the surface of the toggle wheel (6), and the toggle rod (16) is used in conjunction with the toggle wheel (6).

4. The airbag type oil-gas separation shock absorber according to claim 2 is characterized in that: Slide grooves (17) are provided on both sides of the top of the transverse plate (14), and the bottom of the slide rod (15) is slidably connected inside the slide groove (17).

5. The airbag type oil-gas separation shock absorber according to claim 1 is characterized in that: A groove (18) is formed on the top of the round-head convex plate (4), and the bottom of the connecting plate (11) is slidably connected inside the groove (18).

6. The airbag type oil-gas separation shock absorber according to claim 1, characterized in that: A circular hole (19) is provided at the bottom of the inner side of the screw longitudinal plate (7), and the circular hole (19) is used in conjunction with the screw longitudinal plate (7).

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