CN210371787U

CN210371787U - Cab suspension air spring with external integrated CDC shock absorber

Info

Publication number: CN210371787U
Application number: CN201921124256.8U
Authority: CN
Inventors: 高坤
Original assignee: Qingdao Jiyu Jiecheng Vehicle Technology Co ltd
Current assignee: Tianrun intelligent control system integration Co., Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-04-21
Anticipated expiration: 2029-07-18

Abstract

The utility model belongs to the technical field of air spring products for damping, in particular to an external integrated CDC damper cab suspension air spring, which comprises an air spring body, wherein the air spring body comprises an air spring semi-assembly and a damper, and the air spring semi-assembly mainly comprises an upper end cover, an upper snap ring, an air bag, a piston, a lower sealing ring, an upper sealing ring and a lower snap ring; the electromagnetic valve is additionally arranged to control the opening of the electromagnetic valve, so that the damping effect of the shock absorber can be controlled, the damping of the shock absorber can be continuously adjusted, the damping force can be continuously changed, the vibration of a vehicle body is reduced, the adhesive force between a tire and various road surfaces is increased, the road surface recoil force is reduced, the driving is more quiet and accurate, the attenuation of the vibration of the vehicle frame and the vehicle body is accelerated, the continuous damping adjustment can be realized by improving the driving smoothness of the vehicle, the stability of the vehicle is effectively improved, and the driving performance and the comfort degree are improved.

Description

Cab suspension air spring with external integrated CDC shock absorber

Technical Field

The utility model belongs to the technical field of air spring product for the damping, concretely relates to driver's cabin suspension air spring of external integrated CDC shock absorber.

Background

The air spring is a spring which is filled with compressed air in a telescopic closed container, utilizes the elastic action of the air, is commonly called an air bag, an air bag type cylinder and a leather bag cylinder, is formed by filling the compressed air in a sealed container and utilizes the compressibility of the air to realize the elastic action of the air, has ideal nonlinear elastic characteristics, is added with a height adjusting device, has the advantages that 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 suspension frame of the air spring has complex structure and high manufacturing cost, is widely applied to self-adjusting air suspension of commercial vehicles, buses, railway vehicles, machine equipment and building bases, and is also called a support rod, an angle adjuster, an air pressure rod, a damper and the like. The air springs are classified according to the structure and the function of the air springs, and comprise a free type air spring, a self-locking type air spring, a traction type air spring, a free air stopping spring, a swivel chair air spring, a pneumatic rod, a damper and the like.

The prior art has the following problems:

1. the traditional magnetorheological shock absorber is complex in structure and high in manufacturing cost, and the traditional cab air spring shock absorber is passive, the damping is not adjustable, the damping effect is not well exerted, and certain limitation exists;

2. the original air spring has lower bearing mass, can not meet the requirement of vibration reduction in the driving process of an automobile and has short service life.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a driver's cabin suspension air spring of external integrated CDC shock absorber, it is reasonable to have simple structure, uses the safety and stability, and the cost is low, long service life, and solid durable, the effectual characteristics of damping.

In order to achieve the above object, the utility model provides a following technical scheme: the cab suspension air spring of the external integrated CDC shock absorber comprises an air spring body, wherein the air spring body comprises an air spring semi-assembly and a shock absorber, the air spring semi-assembly mainly comprises an upper end cover, an upper retaining ring, an air bag, a piston, a lower sealing ring, an upper sealing ring and a lower retaining ring, the upper end cover is fixedly installed at the upper end opening of the air bag, the piston is installed at the lower end opening of the air bag, the upper retaining ring is sleeved at the outer side of the bottom of the upper end cover, the lower retaining ring is sleeved at the outer side of the top of the piston, the shock absorber mainly comprises an upper lifting lug, a lower lifting lug, a shock absorber body and a piston rod, the air spring semi-assembly is connected with the shock absorber through the shock absorber body, the upper end cover is fixedly connected with the piston rod in a threaded manner, the upper end cover is connected with, the electromagnetic valve is electrically connected with an external power supply.

Preferably, the upper end cover and the piston are both provided with slotted holes, the slotted holes in the upper end cover and the piston are respectively fixedly clamped with an upper sealing ring and a lower sealing ring, and the number of the lower sealing ring and the number of the upper sealing ring are both more than or equal to one.

Preferably, the piston and the shock absorber body are sealed through a lower sealing ring and an upper sealing ring.

Preferably, the upper lifting lug and the lower lifting lug are respectively positioned at the left end and the right end of the shock absorber, and the upper lifting lug and the lower lifting lug are fixedly connected with the shock absorber.

Preferably, the interior of the airbag is filled with gas.

Preferably, the lower retaining ring is detachably connected with the piston, and a sawtooth structure is arranged on the inner side wall of the lower retaining ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this kind of driver's cabin suspension air spring of external integrated CDC shock absorber, through installing the solenoid valve additional, control solenoid valve opens, can reach the effect of control shock absorber damping, make the damping of shock absorber continuously adjustable, continuously variable damping force, the automobile body vibration has been reduced and the adhesive force on tire and various road surfaces has been increased, road surface recoil force has been reduced, it is more quiet to make the driving, it is accurate, the attenuation of frame and automobile body vibration with higher speed, it is adjustable to accomplish continuous damping in order to improve the ride comfort of car, effectively improve the stability of vehicle, improve driveability and comfortable degree.

2. This kind of driver's cabin suspension air spring of external integrated CDC shock absorber is full of gas in air spring half assembly the inside, plays the effect that bears the weight of quality, buffering vibration, satisfies the damping needs of the car in-process of traveling, strengthens damping stability, prolongs life to a certain extent.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic structural view of an air spring half assembly according to the present invention;

fig. 3 is a schematic structural view of the damper of the present invention;

in the figure: 1. an air spring body; 2. an air spring half assembly; 21. an upper end cover; 22. an upper retaining ring; 23. an air bag; 24. a piston; 25. a lower seal ring; 26. an upper sealing ring; 27. a lower retaining ring; 3. a shock absorber; 31. an upper lifting lug; 32. a lower lifting lug; 33. a shock absorber body; 34. a piston rod; 4. an electromagnetic valve.

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.

Example 1

Referring to fig. 1-3, the present invention provides the following technical solutions: an external suspension air spring of a cab of an integrated CDC shock absorber comprises an air spring body 1, the air spring body 1 comprises an air spring half assembly 2 and a shock absorber 3, the air spring half assembly 2 mainly comprises an upper end cover 21, an upper retaining ring 22, an air bag 23, a piston 24, a lower sealing ring 25, an upper sealing ring 26 and a lower retaining ring 27, the upper end opening of the air bag 23 is fixedly provided with the upper end cover 21, the lower end opening of the air bag 23 is provided with the piston 24, the outer side of the bottom of the upper end cover 21 is sleeved with the upper retaining ring 22, the outer side of the top of the piston 24 is sleeved with the lower retaining ring 27, the shock absorber 3 mainly comprises an upper lifting lug 31, a lower lifting lug 32, a shock absorber body 33 and a piston rod 34, the air spring half assembly 2 is connected with the shock absorber 3 through the shock absorber body 33, the upper end cover 21, the top right side of shock absorber body 33 is fixedly connected with solenoid valve 4, and solenoid valve 4 and external power source electric connection.

Specifically, slotted holes are formed in the upper end cover 21 and the piston 24, an upper sealing ring 26 and a lower sealing ring 25 are clamped and fixed in the slotted holes in the upper end cover 21 and the piston 24 respectively, and the number of the lower sealing ring 25 and the number of the upper sealing ring 26 are more than or equal to one; the sealing performance of the sealing ring is enhanced.

Specifically, the piston 24 and the shock absorber body 33 are sealed by a lower sealing ring 25 and an upper sealing ring 26; due to the additional installation of the sealing ring, the sealing performance of a sealing air chamber formed between the piston 24 and the shock absorber body 33 is better, and the sealing stability is enhanced.

Specifically, the upper lifting lug 31 and the lower lifting lug 32 are respectively positioned at the left end and the right end of the shock absorber 3, and the upper lifting lug 31 and the lower lifting lug 32 are both fixedly connected with the shock absorber 3; the device is used for being connected with external equipment and installed, so that the installation is more convenient.

Specifically, the inside of the airbag 23 is filled with gas; the vibration reduction device has the effects of bearing mass and buffering vibration, meets the vibration reduction requirement in the driving process of the automobile, and enhances the vibration reduction stability.

Specifically, the lower retaining ring 27 is detachably connected with the piston 24, and a sawtooth structure is arranged on the inner side wall of the lower retaining ring 27; adopt detachable split type installation between lower buckle 27 and the piston 24 for integrated into one piece for easy dismounting, the maintenance management in the later stage of being convenient for, sawtooth structure distributes in the inside wall of buckle 27 down, makes piston 24 pressure equipment have certain locking effect in buckle 27 is inside down, makes the connection between piston 24 and the lower buckle 27 more stable, and is solid firm.

The utility model discloses a theory of operation and use flow: the air spring whole body 1 is arranged at the using position of a vehicle body, the electromagnetic valve 4 is additionally arranged to control the opening of the electromagnetic valve 4 in the using process of the air spring, can achieve the effect of controlling the damping of the shock absorber 3, continuously adjust the damping of the shock absorber 3, continuously change the damping force, reduce the vibration of the vehicle body, increase the adhesive force between tires and various road surfaces, reduce the recoil force of the road surfaces, make the driving more quiet and accurate, accelerate the attenuation of the vibration of the vehicle frame and the vehicle body, improve the driving smoothness of the vehicle, can achieve continuous damping adjustment, effectively improve the stability of the vehicle, enhance the driving performance and the comfort degree, the air bag 23 of the air spring half assembly 2 is filled with air, so that the effects of bearing mass and buffering vibration are achieved, the requirement of vibration reduction in the driving process of an automobile is met, the vibration reduction stability is enhanced, and the service life of the whole air spring 1 is prolonged to a certain extent.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an external integrated CDC shock absorber's driver's cabin suspension air spring, includes air spring body (1), air spring body (1) includes half assembly of air spring (2) and shock absorber (3), its characterized in that: the air spring half assembly (2) mainly comprises an upper end cover (21), an upper retaining ring (22), an air bag (23), a piston (24), a lower sealing ring (25), an upper sealing ring (26) and a lower retaining ring (27), wherein the upper end opening of the air bag (23) is fixedly provided with the upper end cover (21), the lower end opening of the air bag (23) is provided with the piston (24), the outer side of the bottom of the upper end cover (21) is sleeved with the upper retaining ring (22), the outer side of the top of the piston (24) is sleeved with the lower retaining ring (27), the shock absorber (3) mainly comprises an upper lifting lug (31), a lower lifting lug (32), a shock absorber body (33) and a piston rod (34), the air spring half assembly (2) is connected with the shock absorber (3) through the shock absorber body (33), and the upper end cover (21) is fixed with the piston rod (, the upper end cover (21) is connected with the piston rod (34) in a sealing mode through an upper sealing ring (26), the electromagnetic valve (4) is fixedly connected to the right side of the top end of the shock absorber body (33), and the electromagnetic valve (4) is electrically connected with an external power supply.

2. The cab suspension air spring with the externally integrated CDC shock absorber as claimed in claim 1, wherein: slotted holes are formed in the upper end cover (21) and the piston (24), an upper sealing ring (26) and a lower sealing ring (25) are clamped and fixed in the slotted holes in the upper end cover (21) and the piston (24) respectively, and the number of the lower sealing ring (25) and the number of the upper sealing ring (26) are more than or equal to one.

3. The cab suspension air spring with the externally integrated CDC shock absorber as claimed in claim 1, wherein: the piston (24) and the shock absorber body (33) are sealed through a lower sealing ring (25) and an upper sealing ring (26).

4. The cab suspension air spring with the externally integrated CDC shock absorber as claimed in claim 1, wherein: the upper lifting lug (31) and the lower lifting lug (32) are respectively positioned at the left end and the right end of the shock absorber (3), and the upper lifting lug (31) and the lower lifting lug (32) are fixedly connected with the shock absorber (3).

5. The cab suspension air spring with the externally integrated CDC shock absorber as claimed in claim 1, wherein: the air bag (23) is filled with gas.

6. The cab suspension air spring with the externally integrated CDC shock absorber as claimed in claim 1, wherein: the lower retaining ring (27) is detachably connected with the piston (24), and a sawtooth structure is arranged on the inner side wall of the lower retaining ring (27).