CN212318638U

CN212318638U - Two-way damping rear shock absorber

Info

Publication number: CN212318638U
Application number: CN202020849298.4U
Authority: CN
Inventors: 胡德安
Original assignee: Tianjin Hongzhen Machinery Technology Co ltd
Current assignee: Tianjin Hongzhen Machinery Technology Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-01-08
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a bidirectional damping rear shock absorber, which drives a piston to move in an oil storage cylinder when a supporting arm is pressed by the connection of the piston, the oil storage cylinder, a cover plate, a fixed seat and the supporting arm, through the hydraulic oil, the expansion valve and the flow valve, the piston plays a role of buffering when moving in the oil storage cylinder, the left shock absorption ring and the right shock absorption ring form the shock absorption ring through the locking piece, so that the position of the shock absorption ring on the supporting arm is easier to adjust, through the cooperation of the anti-vibration ring, the spring and the fixed seat, the supporting arm and the oil storage cylinder can be acted by the spring, through the regulation of antidetonation ring position, adjusting spring is to the elastic force of support arm and oil storage section of thick bamboo, and this bumper shock absorber is convenient for adjusting spring to the influence of bumper shock absorber shock attenuation effect, simple to operate for this bumper shock absorber suitability greatly increased provides very big facility.

Description

Two-way damping rear shock absorber

Technical Field

The utility model relates to a rear shock absorber technical field, concrete field is a two-way damping rear shock absorber.

Background

One of the more common structures on the electric motor car about the bumper shock absorber has been very general, during the use, can reduce the influence of uneven road surface to the person's of riding health, reduces the degree of jolting, improves the person's of riding travelling comfort, but current bumper shock absorber when the installation, the shock attenuation effect is unified, along with playing the cushioning effect, nevertheless can not accord with the requirement of different people to different shock attenuation effects, and is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bumper shock absorber behind two-way damping to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bumper shock absorber behind two-way damping, includes the support arm, the quantity of support arm is two, and the equal fixed mounting of outer wall upside of two support arms has the lantern ring, and fixed mounting has the backup pad between two the lantern rings, the bottom fixed mounting of support arm has the piston, the outside slip of support arm has cup jointed an oil storage section of thick bamboo, closely laminate between the outer wall of piston and the inner wall of an oil storage section of thick bamboo, the apron is installed at the top of an oil storage section of thick bamboo, the support arm slides and runs through the apron, and the apron is located the downside of backup pad, the bottom fixed mounting of an oil storage section of thick bamboo has the fixing base, the oil storage section of thick bamboo inside just is located and is equipped with hydraulic oil between piston and the fixing base, the last fixed surface of piston runs through there is the valve that stretches, the lower, the quantity of through-hole is four and evenly sets up on the surface week side of fixing base, the equal fixed mounting in inside of through-hole has the gag lever post, two the upside of gag lever post slides and has cup jointed left damping ring, two in addition the upside of gag lever post all slides and has cup jointed right damping ring, the articulated connection of one end of left side damping ring and right damping ring, the other end of left side damping ring and right damping ring passes through latch fitting fixed connection, left side damping ring and right damping ring connect and constitute antidetonation ring, antidetonation ring slides and cup joints on the outer wall of support arm, antidetonation ring is located the downside of backup pad, fixed mounting has the spring between antidetonation ring and the collar, one side fixed cup joint on gag lever post position antidetonation ring upper portion has the stopper.

Preferably, the latch fitting includes the connection piece, the quantity of connection piece be two and respectively with the other end fixed connection of left side damping ring and right damping ring, one the lateral wall middle part of connection piece sets up threaded hole, another the lateral wall middle part of connection piece sets up the opening, threaded hole and open-ended axle center are located same horizontal axis, the inside slip of open-ended is pegged graft there is the screw rod, screw rod run through opening and threaded hole threaded connection.

Preferably, the inner walls of the left damping ring and the right damping ring are fixedly provided with non-slip mats.

Preferably, the surfaces of the spring, the supporting arm and the oil storage cylinder are coated with anticorrosive materials.

Preferably, the supporting plate, the fixing seat and the anti-seismic ring are all made of high-strength alloy materials.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a bumper shock absorber behind two-way damping, through the piston, an oil storage section of thick bamboo, a cover plate, the connection of fixing base and support arm, when making the support arm receive pressure, it removes to drive the piston in the inside emergence of an oil storage section of thick bamboo, through hydraulic oil, stretch valve and flow valve, make the piston when the inside removal of an oil storage section of thick bamboo, play the cushioning effect, pass through left shock attenuation ring and right shock attenuation ring and constitute antidetonation ring through the latch fitting, make the position of antidetonation ring on the support arm adjust more easily, through antidetonation ring, the cooperation of spring and fixing base, make and to receive the effect of spring between support arm and the oil storage section of thick bamboo, through the regulation of antidetonation ring position, regulating spring is to the elastic force of support arm and an oil storage section of thick bamboo, this bumper shock absorber is convenient for regulating.

Drawings

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

fig. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic view of a locking member of the present invention;

fig. 4 is a schematic diagram of the position of the through hole in the present invention.

In the figure: the device comprises a support arm 1, a lantern ring 2, a support plate 3, a piston 4, an oil storage cylinder 5, a cover plate 6, a fixing seat 7, a mounting ring 8, a through hole 9, a limiting rod 10, a left damping ring 11, a spring 12, a limiting block 13, a right damping ring 14, a locking member 15, a connecting sheet 151, a threaded hole 152, an opening 153, a screw 154 and a non-slip mat 16.

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. 1-4, the present invention provides a technical solution: the utility model provides a bumper shock absorber behind two-way damping, includes support arm 1, the quantity of support arm 1 is two, two the equal fixed mounting of outer wall upside of support arm 1 has lantern ring 2, two fixed mounting has backup pad 3 between the lantern ring 2, the bottom fixed mounting of support arm 1 has piston 4, the outside slip of support arm 1 has cup jointed oil storage section of thick bamboo 5, closely laminate between the outer wall of piston 4 and the inner wall of oil storage section of thick bamboo 5, apron 6 is installed at the top of oil storage section of thick bamboo 5, support arm 1 slides and runs through apron 6, and apron 6 is located the downside of backup pad 3, the bottom fixed mounting of oil storage section of thick bamboo 5 has fixing base 7, inside just being located of oil storage section of thick bamboo 5 is equipped with hydraulic oil between piston 4 and fixing base 7, the last fixed surface of piston 4 runs through and has the valve that stretches out, the lower fixed, the bottom of the fixed seat 7 is fixedly provided with a mounting ring 8, the surface of the fixed seat 7 is provided with a through hole 9, the number of the through holes 9 is four, the through holes are uniformly arranged on the periphery of the surface of the fixed seat 7, limiting rods 10 are fixedly arranged in the through holes 9, left damping rings 11 are sleeved on the upper sides of the two limiting rods 10 in a sliding manner, the upper sides of the other two limiting rods 10 are sleeved with a right damping ring 14 in a sliding manner, one end of the left damping ring 11 is hinged with one end of the right damping ring 14, the other ends of the left shock absorption ring 11 and the right shock absorption ring 14 are fixedly connected through a locking piece 15, the left shock absorption ring 11 and the right shock absorption ring 14 are connected to form a shock-proof ring, the anti-vibration ring is sleeved on the outer wall of the supporting arm 1 in a sliding manner, the anti-vibration ring is positioned at the lower side of the supporting plate 3, a spring 12 is fixedly installed between the anti-seismic ring and the mounting ring 8, and a limiting block 13 is fixedly sleeved on one side of the limiting rod 10, which is positioned on the upper portion of the anti-seismic ring.

The supporting function is achieved through the supporting arm 1, the supporting plate 3 is installed through the lantern ring 2, the supporting plate 3 is used for connecting the two supporting arms 1, the supporting arm 1 is connected with the oil storage cylinder 5 through the piston 4, the cover plate 6 and the fixing seat 7, when the supporting arm 1 is under pressure, the piston 4 is driven to move inside the oil storage cylinder 5, when the piston 4 moves inside the oil storage cylinder 5, the piston 4 is blocked to move through hydraulic oil, the stretching valve and the flow through valve, the buffering function is achieved, the equipment is connected with a vehicle body through the installation ring 8, the left shock absorption ring 11 and the right shock absorption ring 14 form a shock absorption ring through the locking piece 15, the position of the shock absorption ring on the supporting arm 1 is easier to adjust, the through hole 9 is used for installing the limiting rod 10, the motion track of the shock absorption ring is limited through the limiting rod 10, and the supporting arm 1 and the oil storage cylinder 5 can be under the function of the spring 12, the elastic acting force of the spring 12 on the supporting arm 1 and the oil storage cylinder 5 is adjusted through adjusting the position of the anti-vibration ring.

Specifically, the locking piece 15 includes a connecting piece 151, the number of the connecting piece 151 is two and respectively with the other end fixed connection of the left damping ring 11 and the right damping ring 14, one a threaded hole 152 is opened in the middle of the side wall of the connecting piece 151, another an opening 153 is opened in the middle of the side wall of the connecting piece 151, the axes of the threaded hole 152 and the opening 153 are located on the same horizontal axis, a screw 154 is inserted in the opening 153 in a sliding manner, and the screw 154 penetrates through the opening 153 and is in threaded connection with the threaded hole 152.

Through the screw hole 152, the cooperation of opening 153 and screw rod 154, make screw rod 154 run through behind opening 153 when screw hole 152 is inside to rotate, change the interval of two connection pieces 151, through being connected of connection piece 151 with left shock attenuation ring 11 and right shock attenuation ring 14, when making two connection piece 151 intervals change, adjust the interval between left shock attenuation ring 11 and the right shock attenuation ring 14, thereby control the connection state between left shock attenuation ring 11 and right shock attenuation ring 14 and the support arm 1, the cooperation of screw rod 154 and screw hole 152, make the interval between left shock attenuation ring 11 and the right shock attenuation ring 14 adjust steplessly, improve the adaptability, thereby difficult messenger between left shock attenuation ring 11 and right shock attenuation ring 14 and support arm 1 produces the gap, it is fixed effectual.

Specifically, the inner walls of the left shock absorbing ring 11 and the right shock absorbing ring 14 are fixedly provided with a non-slip mat 16.

Increase the frictional force between left damping ring 11 and right damping ring 14 and the support arm 1 through slipmat 16 for the support arm 1 is better with the wholeness between left damping ring 11 and the right damping ring 14, guarantees that left damping ring 11 and right damping ring 14 move along with support arm 1.

Specifically, the surfaces of the spring 12, the support arm 1 and the oil storage cylinder 5 are coated with anticorrosive materials.

Specifically, the supporting plate 3, the fixing seat 7 and the anti-seismic ring are all made of high-strength alloy materials.

The working principle is as follows: when the device is used, the oil storage cylinder 5 is connected with the wheel part of a vehicle body through the mounting ring 8, the supporting arm 1 is connected with the handle part of the vehicle body through the supporting plate 3, then the piston 4, the oil storage cylinder 5, the cover plate 6, the fixing seat 7 and the supporting arm 1 are connected, meanwhile, the extension valve and the flow through valve are installed, hydraulic oil is added, then the spring 12 is installed, then the positions of the left damping ring 11 and the right damping ring 14 are moved on the limiting rod 10, the elastic acting force of the spring 12 is adjusted, after the position is adjusted, the left damping ring 11 and the right damping ring 14 are closed through the locking piece 15, the left damping ring 11 and the right damping ring 14 are fixed with the supporting arm 1, when the supporting arm 1 is pressed, the piston 4 is driven to move in the oil storage cylinder 5, and when the piston 4 moves in the oil storage cylinder 5 through the hydraulic oil, the extension valve and the flow through valve, the, when the buffer effect is increased through the spring 12, the supporting arm 1 is pushed to move reversely, and when the supporting arm moves reversely, the buffer effect is good due to the buffer 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 bumper shock absorber behind two-way damping, includes support arm (1), the quantity of support arm (1) is two, its characterized in that: two the equal fixed mounting of outer wall upside of support arm (1) has the lantern ring (2), two fixed mounting has backup pad (3) between the lantern ring (2), the bottom fixed mounting of support arm (1) has piston (4), the outside slip of support arm (1) has cup jointed oil storage section of thick bamboo (5), closely laminate between the outer wall of piston (4) and the inner wall of oil storage section of thick bamboo (5), apron (6) are installed at the top of oil storage section of thick bamboo (5), support arm (1) slides and runs through apron (6), and apron (6) are located the downside of backup pad (3), the bottom fixed mounting of oil storage section of thick bamboo (5) has fixing base (7), inside and being located of oil storage section of thick bamboo (5) is equipped with hydraulic oil between piston (4) and fixing base (7), the last fixed surface of piston (4) runs through and has the valve that stretches, the lower fixed surface of piston (4) runs through and has the flow valve, the bottom of the fixing seat (7) is fixedly provided with a mounting ring (8), the surface of the fixing seat (7) is provided with through holes (9), the number of the through holes (9) is four, the through holes are uniformly arranged on the surface peripheral side of the fixing seat (7), the inner part of each through hole (9) is fixedly provided with a limiting rod (10), the upper sides of the two limiting rods (10) are slidably sleeved with a left damping ring (11), the upper sides of the other two limiting rods (10) are slidably sleeved with a right damping ring (14), one ends of the left damping ring (11) and the right damping ring (14) are hinged, the other ends of the left damping ring (11) and the right damping ring (14) are fixedly connected through a locking piece (15), the left damping ring (11) and the right damping ring (14) are connected to form a ring, and the damping ring is slidably sleeved on the outer wall of the supporting arm (1), the antidetonation ring is located the downside of backup pad (3), fixed mounting has spring (12) between antidetonation ring and collar (8), stopper (13) have been cup jointed to one side that gag lever post (10) are located antidetonation ring upper portion.

2. The bi-directionally damped rear shock absorber according to claim 1, wherein: lock piece (15) are including connection piece (151), the quantity of connection piece (151) be two and respectively with the other end fixed connection of left side damping ring (11) and right damping ring (14), one threaded hole (152) have been seted up at the lateral wall middle part of connection piece (151), another opening (153) have been seted up at the lateral wall middle part of connection piece (151), the axle center of threaded hole (152) and opening (153) is located same horizontal axis, the inside slip grafting of opening (153) has screw rod (154), screw rod (154) run through opening (153) and threaded hole (152) threaded connection.

3. The bi-directionally damped rear shock absorber according to claim 1, wherein: and the inner walls of the left shock absorption ring (11) and the right shock absorption ring (14) are fixedly provided with non-slip mats (16).

4. The bi-directionally damped rear shock absorber according to claim 1, wherein: and the surfaces of the spring (12), the support arm (1) and the oil storage cylinder (5) are coated with anticorrosive materials.

5. The bi-directionally damped rear shock absorber according to claim 1, wherein: the supporting plate (3), the fixing seat (7) and the anti-seismic ring are all made of high-strength alloy materials.