CN220505672U - Throttling type liquid damping shock absorber - Google Patents

Abstract

The utility model relates to a throttling type liquid damping shock absorber, which comprises a shock absorber shell and two mounting plates fixedly connected to the upper end of the shock absorber shell, wherein a folding protective cover is fixedly connected between the two mounting plates, a spring is fixedly connected between the two mounting plates, a plurality of pairs of reinforcing rings are arranged in the folding protective cover, a plurality of pairs of rotating seat members are fixedly connected to the ends, which are close to each other, of the corresponding two reinforcing rings, an arc-shaped abutting member is rotatably connected to the outer end of the rotating seat member, a middle shaft is arranged between the corresponding two arc-shaped abutting members, and in the throttling type liquid damping shock absorber, substances such as flint sand and gravel can be prevented from being clamped in the spring to influence the elastic power smoothness of the spring after being extruded by the corresponding two arc-shaped abutting members, and meanwhile, a reinforcing abutting member is arranged on the outer side of the arc-shaped abutting member to strengthen the abutting member and can provide hard abutting force.

Description

Throttling type liquid damping shock absorber

Technical Field

The utility model relates to a throttling type liquid damping shock absorber, in particular to a throttling type liquid damping shock absorber applied to the field of shock absorbers.

Background

The shock absorber is used for inhibiting the shock of the spring during rebound after shock absorption and the impact from the road surface. The damping device is widely used for automobiles, and is used for accelerating the damping of the vibration of the frames and the automobile bodies so as to improve the running smoothness of the automobiles. When the shock absorbing spring can filter the vibration of the road surface when the shock absorbing spring passes through the uneven road surface, the spring can reciprocate, the shock absorber is used for restraining the spring from jumping, the existing liquid damping shock absorber needs oil circulation in the operation process, and the oil circulation process can cause instability in the oil infusion process if a throttling mechanism is not arranged.

In order to solve the problem that the oil infusion process is unstable if a throttling mechanism is not arranged in the oil circulation process, a throttling type liquid damping shock absorber in the market adopts a design of additionally arranging a throttling valve in the throttling type liquid damping shock absorber, and the throttling type liquid damping shock absorber has a certain market occupation ratio.

The existing throttling type liquid damping shock absorber is also required to be matched with a spring and a folding protection outer cover to protect a piston rod and facilitate the operation of the piston rod, but the operation condition of the throttling type liquid damping shock absorber is an automobile chassis part and is influenced by sand and gravel impurities splashed on a road all the year round, so that the service life of the throttling type liquid damping shock absorber is not guaranteed.

Disclosure of Invention

Aiming at the prior art, the technical problem to be solved by the utility model is that the running condition of the throttling liquid damping shock absorber is the automobile chassis part, and the throttling liquid damping shock absorber is influenced by sand and stone impurities splashed on a road all the year round, so that the service life of the throttling liquid damping shock absorber is not beneficial to guarantee.

In order to solve the problems, the utility model provides a throttling type liquid damping shock absorber which comprises a shock absorber shell and two mounting plates fixedly connected to the upper end of the shock absorber shell, wherein a folding protective cover is fixedly connected between the two mounting plates, springs are fixedly connected between the two mounting plates, a first inner cavity and a second inner cavity are respectively formed in the upper side and the lower side of the inner end of the shock absorber shell, a piston rod is slidably connected to the inner end of the first inner cavity, a first valve body is fixedly connected to the lower end of the piston rod, side cavities are respectively formed in the two sides of the inner end of the shock absorber shell, a second valve body is slidably connected to the inner end of the second inner cavity, a plurality of pairs of reinforcing rings are arranged in the folding protective cover, a plurality of pairs of rotating seat members are fixedly connected to the ends, which are close to each other, of arc-shaped abutting members are rotatably connected to the outer ends of the rotating seat members, and a middle shaft is arranged between the corresponding two arc-shaped abutting members.

In the above-mentioned throttle type liquid damping bumper shock absorber, this scheme is in corresponding arc butt spare extrusion back outside and is supported out to the horizontal clearance of spring, can avoid flying stone grit and other material block to influence the elasticity power smoothness nature of spring in the spring, sets up the enhancement in arc butt spare outside simultaneously and supports out the piece, strengthens to support out the piece and can provide the stereoplasm and support out the force.

As a further development of the application, both side chambers are in communication with the first inner chamber.

As a still further refinement of the present application, the inner end of the first lumen is filled with oil and the piston rod extends into the folding boot.

As a still further improvement of the present application, the screw is mounted on the upper end of the mounting plate at the upper end, and the spring is located outside the folding protective cover.

As a further improvement of the present application, the end of the arc-shaped abutting piece, which is far away from the folding protection cover, is fixedly connected with a reinforcing abutting piece, and the reinforcing abutting piece is matched with the spring.

As a supplement to yet another improvement of the present application, a pair of side plates are fixedly connected to the right end lower side of the damper housing, and a mount plate is fixedly connected between the two side plates.

In sum, this scheme is when folding the protection casing receives the drive force of piston rod and folding, rotate between a plurality of pairs of arc butt spare and a plurality of seat spare and the middle part axle of rotating of folding protection casing both sides and be connected, after corresponding two arc butt spare extrudees, to outside support out to the horizontal clearance of spring in, can avoid flying stone grit etc. material block to influence the elasticity power smoothness nature of spring in the spring, set up the enhancement in arc butt spare outside simultaneously and support out the piece, strengthen and support out the piece and can provide the stereoplasm and support out the power, be convenient for make the enhancement support out the piece with the foreign matter of block in the spring ejecting at the in-process of two arc butt spare evaginations, and then guarantee the elasticity performance of spring, be difficult for blocking.

Drawings

FIG. 1 is a front view of a shock absorber housing according to a first embodiment of the present application;

FIG. 2 is a front cross-sectional view of a shock absorber housing according to a first embodiment of the present application;

fig. 3 is an enlarged view of a portion of a folded hood according to the first and second embodiments of the present application.

The reference numerals in the figures illustrate:

Detailed Description

1. A damper housing; 2. a first lumen; 3. a mounting plate; 4. a screw; 5. folding the protective cover; 6. a spring; 7. a piston rod; 8. a side cavity; 9. a first valve body; 10. a second valve body; 11. a second lumen; 12. a side plate; 13. a mounting plate; 14. a reinforcing ring; 16. rotating the seat member; 17. an arc-shaped abutting piece; 18. a middle shaft; 19. the abutting piece is reinforced.

Two embodiments of the present application are described in detail below with reference to the accompanying drawings.

First embodiment:

fig. 2-3 show that the shock absorber comprises a shock absorber shell 1 and two mounting plates 3 fixedly connected to the upper end of the shock absorber shell 1, a folding protection cover 5 is fixedly connected between the two mounting plates 3, a spring 6 is fixedly connected between the two mounting plates 3, a first inner cavity 2 and a second inner cavity 11 are respectively formed in the upper side and the lower side of the inner end of the shock absorber shell 1, a piston rod 7 is slidingly connected to the inner end of the first inner cavity 2, a first valve body 9 is fixedly connected to the lower end of the piston rod 7, side cavities 8 are respectively formed in the two sides of the inner end of the shock absorber shell 1, a second valve body 10 is slidingly connected to the inner end of the second inner cavity 11, a plurality of pairs of reinforcing rings 14 are arranged in the folding protection cover 5, a plurality of pairs of rotating seat members 16 are fixedly connected to the ends, corresponding two reinforcing rings 14 are mutually close, arc-shaped abutting members 17 are rotatably connected to the outer ends of the rotating seat members 16, and a middle shaft 18 is arranged between the corresponding two arc-shaped abutting members 17.

Fig. 2-3 show that the two side cavities 8 are all communicated with the first inner cavity 2, the inner end of the first inner cavity 2 is filled with oil, the piston rod 7 extends into the folding protective cover 5, the screw 4 is installed at the upper end of the mounting plate 3 at the upper end, the spring 6 is located outside the folding protective cover 5, the lower side of the right end of the shock absorber shell 1 is fixedly connected with a pair of side plates 12, and the mounting plate 13 is fixedly connected between the two side plates 12.

Fig. 1-3 show that in this scheme, when the frame or the vehicle body and the axle vibrate and relative motion occurs, piston rod 7 in shock absorber casing 1 reciprocates, oil in first inner chamber 2 circulates between two side chambers 8 repeatedly, at this moment, friction between inner wall and oil and internal friction between oil molecules form damping force to vibration, make car vibration energy turn into oil heat energy, and then absorb and distribute into the atmosphere by the shock absorber, this scheme is through setting up the external force intensity that reinforcing ring 14 strengthened 15 in folding department of folding protection casing 5, simultaneously when folding protection casing 5 receives the actuating force of piston rod 7 and folds, rotate between a plurality of arc butt piece 17 and a plurality of rotation seat piece 16 and the middle part axle 18 of folding protection casing 5 both sides, when corresponding two rotation seat piece 16 atress extrusion back outwards support to the transverse gap of spring 6, can avoid the material block such as flying stone sand gravel to influence the elasticity power smoothness of spring 6 in spring 6.

Second embodiment:

fig. 3 shows that the end of the arc-shaped abutting part 17 far away from the folding protection cover 5 is fixedly connected with a reinforcing abutting part 19, the reinforcing abutting part 19 is matched with the spring 6, meanwhile, the reinforcing abutting part 19 is arranged on the outer side of the arc-shaped abutting part 17, the reinforcing abutting part 19 can also provide a hard abutting force, foreign matters clamped in the spring 6 are ejected by the reinforcing abutting part 19 in the protruding process of the two arc-shaped abutting parts 17, so that the spring 6 is guaranteed to be sprung, and the clamping is difficult.

The scope of protection of the above-described embodiments employed in the present application is not limited to the above-described embodiments, and various changes made by those skilled in the art without departing from the spirit of the present application are still within the scope of protection of the present utility model.

Claims (6)

1. A throttled liquid damping shock absorber, characterized in that: including shock absorber casing (1) and two mounting panel (3) of fixed connection in shock absorber casing (1) upper end, two fixedly connected with folding protection casing (5) between mounting panel (3), two fixedly connected with spring (6) between mounting panel (3), first inner chamber (2) and second inner chamber (11) have been seted up respectively to the inner upper and lower both sides of shock absorber casing (1), the inner sliding connection of first inner chamber (2) has piston rod (7), the lower extreme fixedly connected with first valve body (9) of piston rod (7), side chamber (8) have been seted up respectively to the inner both sides of shock absorber casing (1), the inner sliding connection of second inner chamber (11) has second valve body (10), be provided with a plurality of pairs of stiffening rings (14) in folding protection casing (5), the one end that the stiffening rings (14) are close to each other is all fixedly connected with many pairs of rotation seat pieces (16), the outer end rotation of rotation seat pieces (16) is connected with arc butt piece (17), two corresponding arc butt piece (17) install between arc middle part (18).

2. A throttled liquid damping shock absorber as claimed in claim 1, wherein: the two side cavities (8) are communicated with the first inner cavity (2).

3. A throttled liquid damping shock absorber as claimed in claim 1, wherein: the inner end of the first inner cavity (2) is filled with oil, and the piston rod (7) extends into the folding protective cover (5).

4. A throttled liquid damping shock absorber as claimed in claim 1, wherein: the upper end of the mounting plate (3) at the upper end is provided with a screw (4), and the spring (6) is positioned outside the folding protective cover (5).

5. A throttled liquid damping shock absorber as claimed in claim 1, wherein: one end of the arc-shaped abutting piece (17) far away from the folding protective cover (5) is fixedly connected with a reinforcing abutting piece (19), and the reinforcing abutting piece (19) is matched with the spring (6).

6. A throttled liquid damping shock absorber as claimed in claim 1, wherein: the shock absorber is characterized in that a pair of side plates (12) are fixedly connected to the lower side of the right end of the shock absorber shell (1), and a mounting piece plate (13) is fixedly connected between the two side plates (12).