CN212985880U

CN212985880U - Tubular air spring shock absorber

Info

Publication number: CN212985880U
Application number: CN202020865857.0U
Authority: CN
Inventors: 吴小章
Original assignee: Zhuji Haofei Machinery Co Ltd
Current assignee: Zhuji Haofei Machinery Co Ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-04-16
Anticipated expiration: 2030-05-21

Abstract

The utility model relates to an air spring bumper shock absorber technical field just discloses a tubular air spring bumper shock absorber, including the bumper shock absorber cylinder body, the bottom fixedly connected with connecting rod of bumper shock absorber cylinder body, the collar under the bottom fixedly connected with of connecting rod, the inside swing joint of bumper shock absorber cylinder body has one end to run through and extend to the outside bumper shock absorber pole of bumper shock absorber cylinder body, first spring has been cup jointed at the top of bumper shock absorber pole surface, the top fixedly connected with air spring cylinder body of bumper shock absorber pole. This tubular air spring bumper shock absorber, through setting up steel ball, disappointing pipe and disappointing spring, then ventilate through outside air pump to the activity steel ball loses heart, thereby reaches the purpose of being convenient for to adjust, need not to adopt the solenoid valve to lose heart, and not only with low costs, and steel ball, disappointing pipe and disappointing spring set up for mechanical structure, and long service life further has reduced the cost burden, and the while shock attenuation is effectual, facilitates the use, is applicable to various circumstances.

Description

Tubular air spring shock absorber

Technical Field

The utility model relates to an air spring bumper shock absorber technical field specifically is a tubular air spring bumper shock absorber.

Background

The air spring has ideal nonlinear elastic characteristics, after the height adjusting device is additionally arranged, the height of a vehicle body does not change along with the increase and decrease of the load, the rigidity of the spring can be designed to be lower, the riding comfort is good, but the air spring suspension is complex in structure and high in manufacturing cost.

The air spring is characterized in that compressed air is filled into a sealed container, the elastic action of the air spring is realized by utilizing the compressibility of air, the existing tubular air spring shock absorber on the market at present has the defect of inconvenience in adjustment, when the air spring shock absorber is used, the existing air spring shock absorber is generally filled with the compressed air, then the rigidity of the air spring is adjusted by air leakage of an electromagnetic valve, the electromagnetic valve is arranged, the cost is higher, and an electronic structure is easy to damage and lose efficacy after being used for a long time, so that the cost burden is further increased, and the tubular air spring shock absorber is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a tubular air spring bumper shock absorber possesses the advantage such as be convenient for adjust, has solved when using, and current air spring bumper shock absorber adopts usually to pour into compressed air into, then loses heart then adjusts air spring's rigidity through the solenoid valve, sets up the solenoid valve, and the cost is higher, and the electronics class structure uses for a long time to damage the inefficacy easily, has further increased the problem of cost burden.

(II) technical scheme

For the purpose of realizing the aforesaid regulation of being convenient for, the utility model provides a following technical scheme: the utility model provides a tubular air spring shock absorber, includes the bumper shock absorber cylinder body, the bottom fixedly connected with connecting rod of bumper shock absorber cylinder body, the bottom fixedly connected with of connecting rod is the collar down, the inside swing joint of bumper shock absorber cylinder body has one end to run through and extend to the bumper shock absorber pole of bumper shock absorber cylinder body outside, first spring has been cup jointed at the top of bumper shock absorber pole surface, the top fixedly connected with air spring cylinder body of bumper shock absorber pole, the through-hole has been seted up to the bottom on air spring cylinder body right side, the bottom fixedly connected with and the corresponding disappointing pipe of through-hole on air spring cylinder body right side, the inside joint of disappointing pipe has disappointing spring, the right side butt of disappointing spring has the steel ball, the disappointing mouth has been seted up on the right side of disappointing pipe, the top of air spring cylinder, the air spring rod is characterized in that a piston is fixedly connected to the bottom of the air spring rod, a second spring is sleeved on the outer surface of the air spring rod and located inside an air spring cylinder body, the top of the front face of the air spring rod is communicated with an air inlet pipe, and the top of the air spring rod is fixedly connected with an upper mounting ring.

Preferably, the diameter of the air leakage spring is smaller than the aperture of the through hole, and the left side of the air leakage spring is abutted to the bottom of the right side of the air spring cylinder body.

Preferably, the inner side of the air leakage opening is fixedly connected with a first sealing ring, and the inner side of the first sealing ring is abutted to the outer surface of the steel ball.

Preferably, the air spring rod is internally provided with a pore passage, the piston is internally provided with a connecting hole, the top of the connecting hole is communicated with the bottom of the pore passage, and the top of the pore passage is communicated with the air inlet pipe.

Preferably, a slide hole is formed in the sealing plate, a second sealing ring is fixedly connected to the inner side of the slide hole, and the second sealing ring is located on the outer surface of the air spring rod and is in sliding fit with the air spring rod.

Preferably, one end of the air inlet pipe, which is far away from the air spring rod, is communicated with an external air pump, and the air spring cylinder body is hollow inside and cylindrical with a missing top.

(III) advantageous effects

Compared with the prior art, the utility model provides a tubular air spring bumper shock absorber possesses following beneficial effect:

the tubular air spring shock absorber is communicated with an external air pump through one end of an air inlet pipe, which is far away from an air spring rod, a pore passage is formed in the air spring rod, a connecting hole is formed in the piston, the top of the connecting hole is communicated with the bottom of the pore passage, the top of the pore passage is communicated with the air inlet pipe, compressed air is guided into the bottom of an inner cavity of an air spring cylinder body from the air inlet pipe, the pore passage and the connecting hole by the air pump respectively, when air leakage is needed, a steel ball is radially pressed towards the inner side of an air leakage pipe, so that the steel ball extrudes the air leakage spring to move towards the left side, meanwhile, the steel ball is not abutted against the air leakage opening any more, the compressed air in the air spring cylinder body is discharged from the air leakage opening to achieve the purpose of adjustment, and when the compressed air is injected into the air spring cylinder body, the leakproofness is ensured, and the setting of first sealing washer, the leakproofness of steel ball and disappointing mouth has further been improved, simultaneously through setting up the bumper shock absorber cylinder body in the bottom of air spring cylinder body, bumper shock absorber pole and first spring, the shock attenuation effect of this bumper shock absorber has been improved, the device is through setting up the steel ball, disappointing pipe and disappointing spring, then ventilate through outside air pump, and the activity steel ball loses heart, thereby reach the purpose of being convenient for adjust, need not to adopt the solenoid valve to lose heart, not only with low costs, and the steel ball, disappointing pipe and disappointing spring set up for mechanical structure, long service life, further reduce the cost burden, simultaneously the shock attenuation is effectual, and convenient to use is applicable to various situations.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the shock absorber comprises a shock absorber cylinder body 1, a connecting rod 2, a lower mounting ring 3, a shock absorber rod 4, a first spring 5, an air spring cylinder body 6, a through hole 7, an air leakage pipe 8, an air leakage spring 9, a steel ball 10, an air leakage opening 11, a sealing plate 12, an air spring rod 13, a piston 14, a second spring 15, an air inlet pipe 16 and an upper mounting ring 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a tubular air spring damper comprises a damper cylinder 1, a connecting rod 2 is fixedly connected to the bottom of the damper cylinder 1, a lower mounting ring 3 is fixedly connected to the bottom of the connecting rod 2, a damper rod 4 with one end penetrating and extending to the outside of the damper cylinder 1 is movably connected to the inside of the damper cylinder 1, a first spring 5 is sleeved on the top of the outer surface of the damper rod 4, an air spring cylinder 6 is fixedly connected to the top of the damper rod 4, a through hole 7 is formed in the bottom of the right side of the air spring cylinder 6, an air release pipe 8 corresponding to the through hole 7 is fixedly connected to the bottom of the right side of the air spring cylinder 6, an air release spring 9 is clamped inside the air release pipe 8, the diameter of the air release spring 9 is smaller than the aperture of the through hole 7, the left side of the air release spring 9 abuts against the bottom of the right side of the air spring cylinder 6, the left side, a steel ball 10 is abutted against the right side of the air escape spring 9, an air escape opening 11 is formed in the right side of the air escape pipe 8, a first sealing ring is fixedly connected to the inner side of the air escape opening 11, the inner side of the first sealing ring is abutted against the outer surface of the steel ball 10, the right side of the steel ball 10 penetrates through and extends to the outer portion of the air escape opening 11 and is abutted against the air escape opening 11, a sealing plate 12 is movably connected to the top of the air spring cylinder body 6 through a bolt, an air spring rod 13 is slidably connected to the inner side of the sealing plate 12, a sliding hole is formed in the sealing plate 12, a second sealing ring is fixedly connected to the inner side of the sliding hole, the second sealing ring is located on the outer surface of the air spring rod 13 and is slidably attached to the air spring rod 13, the bottom of the air spring rod 13 penetrates through and extends to the inner portion of the air spring cylinder body 6, a piston 14 is, the top of the front face of the air spring rod 13 is communicated with an air inlet pipe 16, one end of the air inlet pipe 16, which is far away from the air spring rod 13, is communicated with an external air pump, the air spring cylinder body 6 is in a cylindrical shape with a hollow interior and a missing top, the interior of the air spring rod 13 is provided with a pore passage, the interior of the piston 14 is provided with a connecting hole, the top of the connecting hole is communicated with the air inlet pipe 16, the top of the air spring rod 13 is fixedly connected with an upper mounting ring 17, one end of the air spring rod 13, which is far away from the air spring rod 13 through the air inlet pipe 16, is communicated with the external air pump, the interior of the air spring rod 13 is provided with the pore passage, the interior of the piston 14 is provided with the connecting hole, the top of the connecting hole is communicated with the bottom of the pore passage, the, when air needs to be discharged, the steel ball 10 is radially pressed towards the inner side of the air discharging pipe 8, so that the steel ball 10 extrudes the air discharging spring 9 to move towards the left side, meanwhile, the steel ball 10 is not abutted to the air discharging opening 11 any more, compressed air in the air spring cylinder body 6 is discharged from the air discharging opening 11, the purpose of adjustment is achieved, meanwhile, when compressed air is injected into the air spring cylinder body 6, the compressed air enters the air discharging pipe 8 through the through hole 7, and the steel ball 10 is extruded towards the right side, so that the steel ball 10 is always tightly attached to the air discharging opening 11, the sealing performance of the air spring cylinder body is guaranteed, the sealing performance of the steel ball 10 and the air discharging opening 11 is further improved through the arrangement of the first sealing ring, meanwhile, the shock absorber cylinder body 1, the shock absorber rod 4 and the first spring 5 are arranged at the bottom of the air spring cylinder body 6, the shock absorption effect of the shock absorber is improved, and the device is, then ventilate through outside air pump to activity steel ball 10 loses heart, thereby reaches the purpose of being convenient for adjust, need not to adopt the solenoid valve to lose heart, and not only with low costs, and steel ball 10, disappointing pipe 8 and disappointing spring 9 are mechanical structure setting, long service life, further reduced the cost burden, and the shock attenuation is effectual simultaneously, facilitates the use, is applicable to various situations.

In conclusion, the tubular air spring shock absorber is communicated with an external air pump through one end of an air inlet pipe 16, which is far away from an air spring rod 13, the air spring rod 13 is internally provided with a pore canal, the piston 14 is internally provided with a connecting hole, the top of the connecting hole is communicated with the bottom of the pore canal, the top of the pore canal is communicated with the air inlet pipe 16, the air pump guides compressed air into the bottom of an inner cavity of an air spring cylinder body 6 from the air inlet pipe 16, the pore canal and the connecting hole respectively, when air leakage is needed, a steel ball 10 is radially pressed towards the inner side of an air leakage pipe 8, so that the steel ball 10 extrudes an air leakage spring 9 to move towards the left side, meanwhile, the steel ball 10 is not abutted against an air leakage opening 11, so that the compressed air in the air spring cylinder body 6 is discharged from the air leakage opening 11, and the purpose of adjustment is achieved, and, the steel ball 10 is extruded towards the right side, so that the steel ball 10 is always tightly attached to the air leakage opening 11, the sealing performance of the air spring is guaranteed, the sealing performance of the air spring is further improved due to the arrangement of the first sealing ring, the damping effect of the damper is improved due to the fact that the damper cylinder body 1, the damper rod 4 and the first spring 5 are arranged at the bottom of the air spring cylinder body 6, the damping effect of the damper is improved due to the fact that the steel ball 10, the air leakage pipe 8 and the air leakage spring 9 are arranged, then air is conducted through an external air pump, the steel ball 10 is moved to release air, the purpose of being convenient to adjust is achieved, the electromagnetic valve is not needed to release air, the cost is low, the steel ball 10, the air leakage pipe 8 and the air leakage spring 9 are arranged in a mechanical structure, the service life is long, the cost burden is further reduced, meanwhile, the damping effect is good, the air spring is convenient to use, the air spring damper is suitable for various, then the rigidity of the air spring is adjusted through air leakage of the electromagnetic valve, the electromagnetic valve is arranged, the cost is high, the electronic structure is easy to damage and lose efficacy after being used for a long time, and the cost burden is further increased.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tubular air spring bumper shock absorber, includes bumper shock absorber cylinder body (1), its characterized in that: the bottom fixedly connected with connecting rod (2) of bumper shock absorber cylinder body (1), collar (3) under the bottom fixedly connected with of connecting rod (2), the inside swing joint of bumper shock absorber cylinder body (1) has one end to run through and extend to bumper shock absorber pole (4) of bumper shock absorber cylinder body (1) outside, first spring (5) have been cup jointed at the top of bumper shock absorber pole (4) surface, the top fixedly connected with air spring cylinder body (6) of bumper shock absorber pole (4), through-hole (7) have been seted up to the bottom on air spring cylinder body (6) right side, the bottom fixedly connected with and the corresponding disappointing pipe (8) of through-hole (7) on air spring cylinder body (6) right side, the inside joint of disappointing pipe (8) has disappointing spring (9), the right side butt of disappointing spring (9) has steel ball (10), disappointing mouth (11) have been seted up on the right side of disapp, the top of air spring cylinder body (6) has shrouding (12) through bolt swing joint, the inboard sliding connection of shrouding (12) has air spring pole (13), the bottom fixedly connected with piston (14) of air spring pole (13), second spring (15) have been cup jointed to the surface of air spring pole (13) and the inside that is located air spring cylinder body (6), the positive top intercommunication of air spring pole (13) has intake pipe (16), collar (17) on the top fixedly connected with of air spring pole (13).

2. A tubular air spring damper according to claim 1, wherein: the diameter of the air leakage spring (9) is smaller than the aperture of the through hole (7), and the left side of the air leakage spring (9) is abutted against the bottom of the right side of the air spring cylinder body (6).

3. A tubular air spring damper according to claim 1, wherein: the inner side of the air leakage opening (11) is fixedly connected with a first sealing ring, and the inner side of the first sealing ring is abutted to the outer surface of the steel ball (10).

4. A tubular air spring damper according to claim 1, wherein: the air spring rod (13) is internally provided with a pore passage, the piston (14) is internally provided with a connecting hole, the top of the connecting hole is communicated with the bottom of the pore passage, and the top of the pore passage is communicated with an air inlet pipe (16).

5. A tubular air spring damper according to claim 1, wherein: the inside of shrouding (12) has been seted up the slide opening, and the inboard fixedly connected with second sealing washer of slide opening, the second sealing washer is located the surface of air spring pole (13) and slides with air spring pole (13) and laminates.

6. A tubular air spring damper according to claim 1, wherein: one end, far away from the air spring rod (13), of the air inlet pipe (16) is communicated with an external air pump, and the air spring cylinder body (6) is hollow and cylindrical, and the top of the air spring cylinder body is absent.