CN215908303U - Double-oil pipeline automobile shock absorption device - Google Patents

Abstract

The utility model discloses a double-oil pipeline automobile shock absorption device which comprises a cylinder barrel, a piston rod, a damping valve, a nitrogen tank and a flute pipe assembly, wherein the damping valve is fixed at one end of the piston rod, the damping valve is arranged in the cylinder barrel, the double-oil pipeline automobile shock absorption device also comprises a one-way mechanism fixed on the flute pipe assembly, the one-way mechanism comprises a fixing ring, a pressure spring and a sealing plate, the sealing plate and the pressure spring are sleeved on the flute pipe assembly, the fixing ring is fixed on the flute pipe assembly, the flute pipe assembly comprises a core pipe seat, an outer pipe and an inner pipe, the inner pipe is arranged in the outer pipe, the outer pipe is communicated with a communication oil way of the core pipe seat, the communication oil way is communicated with a first oil pipe pipeline, the communication oil way is arranged opposite to the sealing plate, the inner pipe is fixed in the middle of the core pipe seat and is communicated with a second oil pipe, and the first oil pipe and the second oil pipe are both connected with the nitrogen tank. The double-oil pipeline automobile damping device adopting the structure can quickly return to the initial position when an automobile is suspended, and is convenient for controlling the direction after falling to the ground.

Description

Double-oil pipeline automobile shock absorption device

Technical Field

The utility model relates to the field of automobile shock absorbers, in particular to a double-oil pipeline automobile shock absorber.

Background

Along with the improvement of living standard of people, the driving comfort of the off-road vehicle is pursued on a paved road surface, the stability and the passing capacity of the driving process are pursued on a non-paved road surface, the vehicle runs on the road, along with the depression change of the road surface, the wheels are subjected to telescopic change under the suspended support, relative axial position change is also generated on a piston rod of the shock absorber, the larger the relative position change is, the more serious the bumping of the vehicle is represented, the higher the damping is needed for the driver and the passenger to be comfortable, and meanwhile, the change of the damping value is expected to be synchronous with the depression change of the road surface. However, the damping value of the existing shock absorber is fixed, the whole damping intensity of the shock absorber is adjusted by manually predicting the road condition, and a driver needs to get off to rotate an adjusting knob, so that the shock absorber is very inconvenient, the shock absorber can only have a relatively fixed damping value even if the shock absorber is adjusted by an electric control motor, and the change of the road condition and the damping value cannot be kept synchronous at any time. Meanwhile, when the automobile is suspended, the steering cannot be adjusted, the shock absorber is in a compression state, the shock absorber cannot be quickly restored to an initial position, and the control and the comfort degree of the automobile are directly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-oil pipeline automobile damping device which can quickly return to an initial position when an automobile is suspended and is convenient for controlling the direction after falling to the ground.

In order to achieve the purpose, the utility model provides a double-oil pipeline automobile shock absorption device which comprises a cylinder barrel, a piston rod, a damping valve, a nitrogen tank and a flute pipe assembly, wherein the damping valve is fixed at one end of the piston rod, the damping valve is arranged in the cylinder barrel, the double-oil pipeline automobile shock absorption device also comprises a one-way mechanism fixed on the flute pipe assembly, the one-way mechanism comprises a fixing ring, a pressure spring and a sealing plate, the sealing plate and the pressure spring are sleeved on the flute pipe assembly, the fixing ring is fixed on the flute pipe assembly, the flute pipe assembly comprises a core pipe seat, an outer pipe and an inner pipe, the inner pipe is arranged in the outer pipe, the outer pipe is communicated with a communication oil way of the core pipe seat, the communication oil way is communicated with a first oil pipe pipeline, the communication oil way is arranged opposite to the sealing plate, the inner pipe is fixed in the middle of the core pipe seat and is communicated with a second oil pipe pipeline, the first oil pipe pipeline and the second oil pipe pipeline are connected with the nitrogen tank.

Preferably, a sealing pipe is fixed at one end of the piston rod, the other end of the piston rod penetrates through an end cover of the cylinder barrel and is provided with a lower lifting lug, and an upper lifting lug is fixed at the bottom of the cylinder barrel.

Preferably, both ends of the outer pipe are provided with at least one row of damping through holes, and one end of the outer pipe is provided with a one-way valve and is inserted into the piston rod.

Preferably, the top end of the inner tube is provided with a bell mouth, the outer diameter of the bell mouth is equal to the inner diameter of the outer tube, the length of the inner tube is 2/3-1/3 of the length of the outer tube, the length of the sealing tube is 1/3 of the length of the outer tube, and the sealing tube is fixed inside the piston rod.

Therefore, according to the double-oil-pipe-line automobile damping device with the structure, when an automobile is suspended, hydraulic oil sequentially passes through the first oil pipe line and the communicating oil line, the sealing plate is pushed away from the communicating oil line, the hydraulic oil rapidly enters the cylinder barrel, the piston rod rapidly returns to the initial position, and the direction is conveniently controlled after the automobile falls to the ground.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

FIG. 1 is a schematic structural diagram of a dual oil pipeline automobile damping device of the present invention;

reference numerals

1. A piston rod; 11. a lower lifting lug; 2. a cylinder barrel; 21. an end cap; 22. an upper lifting lug; 3. a damping valve; 4. a sealing tube; 5. a stem; 51. an oil way is communicated; 6. an outer tube; 61. a damping through hole; 62. a one-way valve; 7. an inner tube; 71. a bell mouth; 8. a nitrogen tank; 81. a first tubing line; 82. a second tubing line; 9. a one-way mechanism; 91. a fixing ring; 92. a pressure spring; 93. and (7) sealing the plate.

Detailed Description

Example 1

Fig. 1 is a schematic structural diagram of a dual oil pipeline automobile shock-absorbing device of the present invention, as shown in the figure, the dual oil pipeline automobile shock-absorbing device includes a cylinder 2, a piston rod 1, a damping valve 3 and a nitrogen tank 8, and further includes a flute pipe assembly disposed in the cylinder 2, a one-way mechanism 9 is fixed on the flute pipe assembly, the one-way mechanism 9 includes a fixing ring 91, a pressure spring 92 and a sealing plate 93, the sealing plate 93 and the pressure spring 92 are sleeved on the flute pipe assembly, the fixing ring 91 is fixed on the flute pipe assembly, the flute pipe assembly includes a core pipe base 5, an inner pipe 7 and an outer pipe 6, at least one row of damping through holes 61 are disposed at both ends of the outer pipe 6, in this embodiment, a plurality of damping through holes 61 are arranged in an equidistant straight line and have the same diameter. The outer tube 6 is provided with a check valve 62 at one end and inserted into the piston rod 1 so that oil can flow out from the inside of the outer tube 6 and cannot flow into the outer tube 6 from the outside to the inside. The inner tube 7 sets up in the outer tube 6, the outer tube 6 other end sets up on the core tube seat 5 and is connected with nitrogen gas jar 8 through intercommunication oil circuit 51 and first oil pipe way 81, outer tube 6 is linked together with the intercommunication oil circuit 51 of core tube seat 5, intercommunication oil circuit 51 is linked together with first oil pipe way 81, intercommunication oil circuit 51 sets up with closing plate 93 relatively, inner tube 7 is fixed in the middle part of core tube seat 5 and is linked together with second oil pipe way 82, first oil pipe way 81 and second oil pipe way 82 all are connected with nitrogen gas jar 8. The mandrel seat 5 is communicated with the first oil pipe 81 through a one-way mechanism 9, an inner pipe 7 is arranged in the outer pipe 6, a bell mouth 71 is arranged at the top end of the inner pipe 7, the length of the inner pipe 7 is between 2/3 and 1/3 of the length of the outer pipe 6, and the outer diameter of the bell mouth 71 is equal to the inner diameter of the outer pipe 6, so that a first cavity is formed between the end, close to the mandrel seat 5, of the outer pipe 6 and the inner pipe 7. The damping valve 3 is fixed at one end of the piston rod 1 and is arranged in the cylinder barrel 2, the sealing tube 4 is fixed at one end of the piston rod 1, the length of the sealing tube 4 is 1/3 of the length of the outer tube, and the sealing tube 4 is fixed in the piston rod 1. The sealing tube 4 is used for plugging the damping through hole 61 on the outer tube 6 along with the movement of the piston rod 1, the other end of the piston rod 1 penetrates through the end cover of the cylinder barrel 2 and is provided with a lower lifting lug 11, and the bottom of the cylinder barrel 2 is fixed with an upper lifting lug 23.

The compression process is as follows:

when the piston rod 1 moves inwards, the sealing pipe 4 blocks the damping through holes 61 at the left end of the outer pipe 6, the damping valve deforms, so that hydraulic oil flows to the left side from the right side of the damping valve 3, meanwhile, the hydraulic oil enters the first cavity through the damping through holes 61 at the right end, then sequentially enters the nitrogen tank 8 through the communicating oil path 51 and the first oil pipe pipeline 81, the hydraulic oil in the nitrogen tank 8 enters the inner pipe 7 through the second oil pipe pipeline 82, enters the piston rod 1 through the check valve 62, and flows through the damping valve 3 and enters the cylinder barrel 2 at the left side of the damping valve; along with the increase of the deformation, the sealing pipe 4 is far away from the left end damping through hole 61, so that the hydraulic oil flows through the damping valve through the left side damping through hole and enters the damping valve left side cylinder barrel 2; when the right side damping through holes are plugged by the sealing tubes 4, the damping is gradually increased along with the reduction of the number of the right side damping through holes. And the damping magnitude is adaptively adjusted along with the magnitude of the deformation.

The stretching process is as follows:

when piston rod 1 extension, the hydraulic oil in the nitrogen gas jar 8 passes through the right side that single-way mechanism 9 got into damping valve 3 fast, and tensile valve block subassembly takes place to warp simultaneously, and left hydraulic oil gets into the right side through the damping valve from the left side for the bumper shock absorber reaction is rapid, and when the car suspension, gets back to initial position fast. Along with the movement of the sealing tube 4, the damping through hole on the left side is gradually covered and plugged, and the damping is gradually increased. And the damping magnitude is adaptively adjusted along with the magnitude of the deformation.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the utility model without departing from the spirit and scope of the utility model.

Claims (4)

1. The utility model provides a two oil pipe way automobile shock absorbing device, includes cylinder, piston rod, damping valve, nitrogen gas jar and flute pipe assembly, piston rod one end is fixed with the damping valve, the damping valve set up in the cylinder, its characterized in that: still including being fixed in one-way mechanism on the flute pipe subassembly, one-way mechanism includes solid fixed ring, pressure spring and closing plate, closing plate and pressure spring cover are located on the flute pipe subassembly, gu fixed ring is fixed in on the flute pipe subassembly, the flute pipe subassembly includes tube seat, outer tube and inner tube, the inner tube set up in the outer tube, the outer tube with the intercommunication oil circuit of tube seat is linked together, the intercommunication oil circuit is linked together with first oil pipe pipeline, the intercommunication oil circuit with the closing plate sets up relatively, the inner tube is fixed in the middle part of tube seat is linked together with second oil pipe pipeline, first oil pipe pipeline with second oil pipe pipeline all with the nitrogen gas jar is connected.

2. The dual oil pipeline automobile shock absorption device according to claim 1, wherein: and a sealing pipe is fixed at one end of the piston rod, the other end of the piston rod penetrates through the end cover of the cylinder barrel and is provided with a lower lifting lug, and an upper lifting lug is fixed at the bottom of the cylinder barrel.

3. The dual oil pipeline automobile shock absorption device according to claim 1, wherein: both ends of the outer pipe are provided with at least one row of damping through holes, and one end of the outer pipe is provided with a one-way valve and is inserted into the piston rod.

4. The dual oil pipeline automobile shock absorption device according to claim 2, wherein: the inner tube top is provided with the horn mouth, the external diameter of horn mouth equals the internal diameter of outer tube, the length of inner tube is in between 2/3-1/3 of outer tube length, the length of sealing tube is 1/3 of outer tube length, the sealing tube is fixed in the inside of piston rod.

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