CN212080019U

CN212080019U - One-way shock absorber based on hydraulic buffering technology

Info

Publication number: CN212080019U
Application number: CN202020794221.1U
Authority: CN
Inventors: 倪涛
Original assignee: HANGZHOU KAISHENG SHOCK ABSORBER CO Ltd
Current assignee: HANGZHOU KAISHENG SHOCK ABSORBER CO Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-12-04
Anticipated expiration: 2030-05-14

Abstract

The utility model relates to the technical field of shock absorbers, and discloses a one-way shock absorber based on hydraulic buffering technology, which comprises a hydraulic buffering device, a hydraulic oil circulating device, a buffering device I and a buffering device II, wherein the hydraulic buffering device comprises a top plate and a hydraulic pipe, a push rod is fixedly connected at the center of the lower surface of the top plate, the circumferential side surface of the push rod is in sliding connection with a cover plate in a penetrating way, the lower surface of the push rod is fixedly connected with a piston, the upper end of the front side surface of the hydraulic pipe is provided with a hydraulic oil outflow hole, the upper surface of the bottom plate of the hydraulic pipe is fixedly connected with a spring, the upper surface of the spring is fixedly connected with the lower surface of the piston, the circumferential side surface of the piston is in sliding connection with the inner wall of the hydraulic pipe, the lower surface of the cover plate is fixedly connected with the upper surface of, after long-term use, the rubber buffer block can deform to cause the problem of poor damping effect.

Description

One-way shock absorber based on hydraulic buffering technology

Technical Field

The utility model relates to a bumper shock absorber technical field specifically is an one-way bumper shock absorber based on hydraulic cushion technique.

Background

The shock absorber is used for inhibiting the shock when the spring absorbs the shock and rebounds and the impact from the road surface. The damping device is widely applied to automobiles and is used for accelerating the attenuation of the vibration of a frame and an automobile body so as to improve the driving smoothness of the automobiles. When the shock absorber passes through the uneven road surface, although the shock absorbing spring can filter the shock of the road surface, the spring can still reciprocate, and the shock absorber is used for inhibiting the spring from jumping.

However, most of the existing shock absorber pistons absorb energy and shock by elastic deformation of rubber buffer blocks arranged on the rods in the motion process, and after the shock absorber pistons are used for a long time, the rubber buffer blocks can deform to cause poor shock absorption effect.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides an one-way bumper shock absorber based on hydraulic cushion technique possesses advantages such as the shock attenuation is effectual and long service life, has solved current bumper shock absorber piston and has come the energy-absorbing shock attenuation mostly by the elastic deformation who sets up the rubber buffer block on the pole in the motion process, and after long-time the use, the rubber buffer block can take place to warp and lead to the problem of shock attenuation effect variation.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an one-way bumper shock absorber based on hydraulic cushion technique, includes hydraulic buffer, hydraulic oil circulation device, buffer one and buffer two, hydraulic buffer includes roof and hydraulic pressure pipe, the fixedly connected with push rod of lower surface center department of roof, sliding connection runs through to the circumference side of push rod has the apron, the lower fixed surface of push rod is connected with the piston, the hydraulic oil discharge hole has been seted up to the leading flank upper end of hydraulic pressure pipe, fixed surface is connected with the spring on the bottom plate of hydraulic pressure pipe, the last fixed surface of spring connects the lower surface of piston, the circumference side sliding connection hydraulic pressure pipe's of piston inner wall, the lower fixed surface of apron connects the upper surface of hydraulic pressure pipe.

Preferably, the hydraulic oil circulation device includes the oil tank, the rectangle opening has been seted up to the oil tank upper surface, the rectangular opening fixedly connected with spring shaft of the upper surface department of opening of oil tank, the left surface fixedly connected with baffle of spring shaft, the inner wall of the rectangle opening of oil tank upper surface is connected in the rotation of the side of baffle, circular through-hole has been seted up to the inner wall lower extreme of oil tank, the inner wall fixedly connected with runner pipe of oil tank, the hydraulic oil inflow hole has been seted up to the leading flank lower extreme of runner pipe, the hydraulic oil inflow hole corresponds with the circular through-hole of oil tank inner wall lower extreme and communicates with each other, circular through-hole has been seted up to the inner wall upper end of runner pipe, the circumference lateral surface of the inner wall fixed connection hydraulic pressure pipe of runner pipe.

Preferably, buffer one includes splint one, the lower surface of the fixed connection oil tank is located at the upper surface center of splint one, the lower fixed surface of splint one is connected with rubber cushion one, the lower fixed surface of rubber cushion one is connected with splint two, buffer two includes splint three, the upper surface of the fixed connection roof is located at the lower surface center of splint three, the upper fixed surface of splint three is connected with rubber cushion two, the upper fixed surface of rubber cushion two is connected with splint four.

Preferably, a spiral through groove is arranged in the circulating pipe to connect the hydraulic oil inflow hole and a circular through hole at the upper end of the inner wall of the circulating pipe.

(III) advantageous effects

Compared with the prior art, the utility model provides an one-way bumper shock absorber based on hydraulic cushion technique possesses following beneficial effect:

1. this one-way bumper shock absorber based on hydraulic cushion technique, it makes roof and push rod move down to push down through two pushing down of buffer, thereby make the piston slide down along the inner wall of hydraulic pressure pipe, the spring compression shortens, at this moment the piston, the apron closes the space that forms with the hydraulic pressure pipe enclosure for the negative pressure, inhale hydraulic oil inflow hole from the circular through-hole of oil tank inner wall lower extreme with the hydraulic oil in the oil tank, circular through-hole through the spiral logical groove in the circulation pipe and circulation pipe inner wall upper end gets into hydraulic oil outflow hole, then fall into the space between piston and the apron, because the through-hole that hydraulic oil passes through and spiral logical groove diameter are all very little, make hydraulic oil slide fast in inside and produce great frictional force, thereby produce damping force and realize.

2. This one-way bumper shock absorber based on hydraulic cushion technique through set up the spiral in the circulation pipe and lead to the groove, the time that the extension hydraulic oil flows, and increase damping force improves the shock attenuation buffering effect.

3. This one-way bumper shock absorber based on hydraulic cushion technique through setting up rubber cushion two and rubber cushion one, on the basis of hydraulic cushion, and multiple buffering further improves the shock attenuation effect.

Drawings

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

FIG. 2 is an exploded view of the internal structure of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: the hydraulic buffer device comprises a hydraulic buffer device 1, a top plate 101, a push rod 102, a cover plate 103, a piston 104, a spring 105, a hydraulic pipe 106, a hydraulic oil outlet hole 107, a hydraulic oil circulating device 2, an oil tank 201, a spring shaft 202, a baffle 203, a flow pipe 204, a hydraulic oil inlet hole 205, a buffer device I3, a clamp plate I301, a rubber cushion I302, a clamp plate II 303, a buffer device II 4, a clamp plate III 401, a rubber cushion II 402 and a clamp plate IV 403.

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. 1-3, the present invention provides the following technical solutions: a one-way shock absorber based on a hydraulic buffering technology comprises a hydraulic buffering device 1, a hydraulic oil circulating device 2, a buffering device I3 and a buffering device II 4, wherein the hydraulic buffering device 1 comprises a top plate 101 and a hydraulic pipe 106, a push rod 102 is fixedly connected to the center of the lower surface of the top plate 101, a cover plate 103 is connected to the circumferential side surface of the push rod 102 in a penetrating and sliding mode, a piston 104 is fixedly connected to the lower surface of the push rod 102, a hydraulic oil outflow hole 107 is formed in the upper end of the front side surface of the hydraulic pipe 106, a spring 105 is fixedly connected to the upper surface of a bottom plate of the hydraulic pipe 106, the upper surface of the spring 105 is fixedly connected to the lower surface of the piston 104, the circumferential side surface of the piston 104 is connected to the inner wall of the hydraulic pipe 106 in a sliding mode, the lower surface of the cover plate 103 is fixedly connected to the upper surface of the hydraulic pipe 106, the left side surface of the spring shaft 202 is fixedly connected with a baffle plate 203, the side surface of the baffle plate 203 is rotatably connected with the inner wall of a rectangular through hole on the upper surface of the oil tank 201, the lower end of the inner wall of the oil tank 201 is provided with a circular through hole, the inner wall of the oil tank 201 is fixedly connected with a runner pipe 204, the lower end of the front side surface of the runner pipe 204 is provided with a hydraulic oil inflow hole 205, the hydraulic oil inflow hole 205 is correspondingly communicated with the circular through hole on the lower end of the inner wall of the oil tank 201, the upper end of the inner wall of the runner pipe 204 is provided with a circular through hole, the inner wall of the runner pipe 204 is fixedly connected with the outer circumferential surface of a hydraulic pipe 106, the hydraulic oil outflow hole 107 is correspondingly communicated with the circular through hole on the inner wall of the runner pipe 204, the first buffer device 3 comprises a first clamping plate 301, buffer two 4 includes splint three 401, the upper surface of the lower surface center department fixed connection roof 101 of splint three 401, the last fixed surface of splint three 401 is connected with two 402 rubber cushions, the last fixed surface of two 402 rubber cushions is connected with splint four 403, multiple buffering further improves the shock attenuation effect, the inside of runner pipe 204 is provided with the circular through-hole that the groove was led to the spiral and is connected hydraulic oil inflow hole 205 and runner pipe 204 inner wall upper end, the time that extension hydraulic oil flows, increase damping force, improve the shock attenuation buffering effect.

When the hydraulic oil damping device is used and bumped by vibration, the second buffer device 4 is pressed downwards to enable the top plate 101 and the push rod 102 to move downwards, so that the piston 104 slides downwards along the inner wall of the hydraulic pipe 106, the spring 105 is compressed and shortened, at the moment, the space formed by the piston 104, the cover plate 103 and the hydraulic pipe 106 in an enclosing mode is negative pressure, hydraulic oil in the oil tank 201 is sucked into the hydraulic oil inflow hole 205 from the circular through hole at the lower end of the inner wall of the oil tank 201, enters the hydraulic oil outflow hole 107 through the spiral through groove in the circulating pipe 204 and the circular through hole at the upper end of the inner wall of the circulating pipe 204 and then falls into the space between the piston 104 and the cover plate 103, as the diameters of the through hole and the spiral through groove through which the hydraulic oil passes are small, the hydraulic oil rapidly slides in the inner part to generate large friction force, damping force is generated to realize the buffering effect, after roof 101 pushes down the end, spring 105 kick-backs and becomes length and pushes up piston 104 upwards, make hydraulic pressure pipe 106 in hydraulic pressure push back oil tank 201 once more, the damping force of the piece that leads to the groove because of hydraulic pressure oil and spiral makes roof 101 can rise gently and alleviate vibrations, when hydraulic pressure oil gets into oil tank 201, baffle 203 upwards rotates and discharges the air, make whole device resume initial condition, through set up the spiral and lead to the groove in flow pipe 204, the time that extension hydraulic pressure oil flows, increase damping force, improve the shock attenuation buffering effect, through setting up two rubber cushion 402 and one rubber cushion 302, on the basis of hydraulic pressure buffering, multiple buffering further improves the shock attenuation effect.

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 one-way bumper shock absorber based on hydraulic cushion technique, includes hydraulic buffer (1), hydraulic oil circulation device (2), buffer one (3) and buffer two (4), its characterized in that: the hydraulic buffer device (1) comprises a top plate (101) and a hydraulic pipe (106), a push rod (102) is fixedly connected to the center of the lower surface of the top plate (101), a cover plate (103) is connected to the side surface of the circumference of the push rod (102) in a penetrating and sliding mode, a piston (104) is fixedly connected to the lower surface of the push rod (102), a hydraulic oil outflow hole (107) is formed in the upper end of the front side surface of the hydraulic pipe (106), a spring (105) is fixedly connected to the upper surface of a bottom plate of the hydraulic pipe (106), the piston (104) is fixedly connected to the upper surface of the spring (105), the piston (104) is slidably connected to the side surface of the circumference of the piston (104), and the hydraulic pipe (106) is fixedly connected to the upper surface of the cover plate.

2. A one-way shock absorber based on hydraulic damping technology as claimed in claim 1, wherein: the hydraulic oil circulating device (2) comprises an oil tank (201), a rectangular through hole is formed in the upper surface of the oil tank (201), a spring shaft (202) is fixedly connected to the rectangular through hole in the upper surface of the oil tank (201), a baffle plate (203) is fixedly connected to the left side surface of the spring shaft (202), the side surface of the baffle plate (203) is rotatably connected with the inner wall of the rectangular through hole in the upper surface of the oil tank (201), a circular through hole is formed in the lower end of the inner wall of the oil tank (201), a circulating pipe (204) is fixedly connected to the inner wall of the oil tank (201), a hydraulic oil inflow hole (205) is formed in the lower end of the front side surface of the circulating pipe (204), the hydraulic oil inflow hole (205) is correspondingly communicated with the circular through hole in the lower end of the inner wall of the oil tank (201), the circular through hole is formed in the upper end of the inner wall of the, the hydraulic oil outflow hole (107) is correspondingly communicated with a circular through hole at the upper end of the inner wall of the circulating pipe (204).

3. A one-way shock absorber based on hydraulic damping technology as claimed in claim 1, wherein: buffer one (3) are including splint one (301), the lower surface of the upper surface center department fixed connection oil tank (201) of splint one (301), the lower fixed surface of splint one (301) is connected with rubber cushion one (302), the lower fixed surface of rubber cushion one (302) is connected with splint two (303).

4. A one-way shock absorber based on hydraulic damping technology as claimed in claim 1, wherein: buffer two (4) are including splint three (401), the upper surface of lower surface center department fixed connection roof (101) of splint three (401), the last fixed surface of splint three (401) is connected with rubber cushion two (402), the last fixed surface of rubber cushion two (402) is connected with splint four (403).

5. A one-way shock absorber based on hydraulic damping technology as claimed in claim 2, wherein: the inside of the circulating pipe (204) is provided with a spiral through groove which is connected with the hydraulic oil inflow hole (205) and a circular through hole at the upper end of the inner wall of the circulating pipe (204).