CN217558867U

CN217558867U - Variable damping formula bumper shock absorber

Info

Publication number: CN217558867U
Application number: CN202123013863.7U
Authority: CN
Inventors: 李春青
Original assignee: Jiangsu Sbeying Metal Products Co ltd
Current assignee: Jiangsu Sbeying Metal Products Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-10-11
Anticipated expiration: 2031-12-02

Abstract

The application discloses variable damping formula bumper shock absorber, relate to bumper shock absorber technical field, a variable damping formula bumper shock absorber, including shell body and damper, the bellows is installed to the both ends symmetry of shell body, the both ends of shell body just are located the both sides of bellows and install the pull rod, the one end of two sets of pull rods and the one end fixed connection of bellows, the inside one end of shell body is provided with the mount pad, the inside of shell body is provided with the damper, the fixed fixing base that is provided with of one end of damper, the fixing base is the same with the mount pad diameter, and the fixing base passes through the bolt and is connected with the mount pad, the other end bayonet piston rod that is provided with of damper, the one end of piston rod is provided with adjusting nut through the screw, the outside of damper is provided with the adjusting disk, through setting up the damper, the bottom, the sealing washer can realize adjusting the inside compressed gas's of gas cabin volume capacity through rotating the bottom, make floating piston and piston piece at the inside reciprocating motion's stroke extension or shorten of damper, in order to reach the effect of regulation.

Description

Variable damping formula bumper shock absorber

Technical Field

The application relates to the technical field of shock absorbers, in particular to a variable damping shock absorber.

Background

The shock Absorber (Absorber) is used to suppress the shock when the spring absorbs shock and then rebounds and the impact from the road surface. The damping device is widely applied to automobiles or other fields needing damping, such as acceleration of the vibration of a frame and a body of an automobile, so as to improve the driving smoothness of the automobile. When the shock absorber passes through an uneven road surface, although the shock absorbing spring can filter the shock of the road surface, the spring can still do reciprocating motion, and the shock absorber is a shock absorber which is used for inhibiting the spring from jumping and can adjust the damping force.

Among the prior art, the multi-channel of the regulation of bumper shock absorber has reached the effect of adjusting through realizing the throttle to hydraulic oil through adjusting valve or bottom valve on the inside piston, but current regulation is very inconvenient when the inside of hydraulic pressure section of thick bamboo is adjusted, receives the dust influence easily when the bumper shock absorber uses simultaneously, impairs its shock attenuation effect.

SUMMERY OF THE UTILITY MODEL

The present application aims to provide a variable damping shock absorber to solve the problems of inconvenience and susceptibility to dust when the damping of the shock absorber needs to be adjusted, which are proposed in the above-mentioned background art.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a variable damping formula bumper shock absorber, including shell body and surge drum, the bellows is installed to the both ends symmetry of shell body, the pull rod is installed at the both ends of shell body and the both sides that are located the bellows, the one end of two sets of pull rods and the one end fixed connection of bellows, the inside one end of shell body is provided with the mount pad, the inside of shell body is provided with the surge drum, the fixed fixing base that is provided with of one end of surge drum, the fixing base is the same with the mount pad diameter, and the fixing base passes through the bolt and is connected with the mount pad, the bayonet piston rod that is provided with of the other end of surge drum, the one end of piston rod is provided with adjusting nut through the screw thread, the outside of surge drum is provided with the adjusting disk, the outside of surge drum and the one side that is located the adjusting disk are provided with damping spring, the inside one end of surge drum is provided with floating piston, the one side that the inside of piston rod just is located floating piston is provided with the piston piece through the screw thread, the other end installation external connection key of piston rod.

Based on the above mechanism, through setting.

Preferably, a sealing ring is fixedly arranged on one side of the bottom cover and inside the shock-absorbing cylinder.

Further, by setting.

Preferably, the adjusting disc is installed with the damping cylinder through threads, and the floating piston divides the inside of the damping cylinder into an air chamber and an oil chamber.

Further, by setting.

Preferably, the damping spring is sleeved outside the damping cylinder and the piston rod and is positioned between the adjusting disc and the outer connecting key.

To sum up, the utility model discloses a technological effect and advantage:

1. the utility model discloses in, can realize adjusting the volume capacity of the inside compressed gas in gas cabin through rotating the bottom through setting up surge drum, bottom, sealing washer, make floating piston and piston block at the stroke extension or the shortening of the inside reciprocating motion of surge drum to reach the effect of regulation.

2. The utility model discloses in, can realize adjusting the stroke when damping spring vibrates through setting up adjusting disk, adjusting nut, the bellows and the pull rod of setting also can realize seeing when being connected with the outside, and the expansion bellows can effectively avoid the dust to get into.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic front view of a variable damping shock absorber according to an embodiment of the present application;

FIG. 2 is a schematic view of the right side of the interior of a variable damping shock absorber according to an embodiment of the present application;

FIG. 3 is an isometric view of a shock tube in partial cross-section of a compression assembly in an embodiment of the present application;

FIG. 4 is a schematic view of the interior of a shock tube in partial cross-section of a clamp assembly in an embodiment of the present application.

In the figure: 1. an outer housing; 101. a bellows; 102. a mounting seat; 103. a pull rod; 2. a fixed seat; 201. an adjusting disk; 202. adjusting the nut; 203. a piston rod; 204. a seal ring; 205. a bottom cover; 3. a damping spring; 4. an external connecting key; 5. a damper cylinder; 6. a floating piston; 7. a piston block; 8. a gas cabin; 9. an oil tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

The embodiment is as follows: referring to fig. 1-4, a variable damping shock absorber includes an outer shell 1 and a damper cylinder 5, corrugated pipes 101 are symmetrically installed at two ends of the outer shell 1, pull rods 103 are installed at two ends of the outer shell 1 and located at two sides of the corrugated pipes 101, one ends of two sets of pull rods 103 are fixedly connected with one ends of the corrugated pipes 101, an installation seat 102 is arranged at one end inside the outer shell 1, the damper cylinder 5 is arranged inside the outer shell 1, a fixed seat 2 is fixedly arranged at one end of the damper cylinder 5, a piston rod 203 is inserted into the other end of the damper cylinder 5, an adjusting disc 201 is arranged outside the damper cylinder 5, a damper spring 3 is arranged outside the damper cylinder 5 and located at one side of the adjusting disc 201, the damper spring 3 is sleeved outside the damper cylinder 5 and the piston rod 203 and located between the adjusting disc 201 and an external connection key 4, a floating piston 6 is arranged at one end inside the damper cylinder 5, a bottom cover 205 is arranged inside the damper cylinder 5 and located at one side of the floating piston 6 through a thread, a piston block 7 is fixedly arranged at one end of the piston rod 203 and located inside the damper cylinder 5, an external connection key 4 is installed at the other end of the piston rod 203, the damper cylinder 5 and the adjusting disc and the damper cylinder 5 through a floating piston 6, and divides the floating oil tank 9 and the floating oil tank 9.

Based on the above mechanism, through setting.

In this embodiment, as shown in fig. 1 and 3, the diameter of the fixing base 2 is the same as that of the mounting base 102, and the fixing base 2 is connected to the mounting base 102 through a bolt.

Based on the above structure, through setting.

In this embodiment, as shown in fig. 3, one end of the piston rod 203 is provided with an adjusting nut 202 through a thread.

Based on the above structure, through setting.

In this embodiment, as shown in fig. 4, a sealing ring 204 is fixedly disposed on one side of the bottom cover 205 and inside the shock absorbing cylinder 5.

The utility model discloses the theory of operation: install damper cylinder 5 in the inside of shell body 1 during the use, through the fixed connection of fixing base 2 with mount pad 102, can be connected the installation through fixing base 2 or external connection key 4 and outside needs damping equipment as required, expand bellows 101 to both sides after the installation is accomplished, in order to avoid the dust to get into the operational environment of damper cylinder 5 and cause the dust accumulation, influence damper cylinder 5's shock attenuation effect, two sets of pull rods 103 can form the supporting effect to bellows 101, damper cylinder 5 gas cabin 8 is inside to be full of gas during shock attenuation work, oil cabin 9 is inside to be full of hydraulic oil, piston rod 203 drives piston piece 7 at damper cylinder 5 inside seat reciprocating motion when jolting, adjust the inside gas volume of gas cabin 8 through rotatory bottom cap 205 when needs are adjusted, in order to change floating piston 6, piston piece 7 is at damper cylinder 5 inside reciprocating motion stroke distance, form and reach different damping effect, set up adjusting disk 201 and adjusting nut 202 outside damper cylinder 5 simultaneously, rotating adjusting disk and adjusting nut 202 as required, in order to realize adjusting the distance of the reciprocating oscillation between external connection key 4 and adjusting disk 201, realize the soft or hard effect when adjusting the shock attenuation.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A variable damping shock absorber, comprising an outer shell (1) and a shock-absorbing cylinder (5), characterized in that: bellows (101) are installed to the both ends symmetry of shell body (1), pull rod (103) are installed to the both ends of shell body (1) and the both sides that are located bellows (101), the one end of two sets of pull rod (103) and the one end fixed connection of bellows (101), the inside one end of shell body (1) is provided with mount pad (102), the inside of shell body (1) is provided with damper cylinder (5), the one end of damper cylinder (5) is fixed and is provided with fixing base (2), the other end bayonet piston rod (203) that is provided with of damper cylinder (5), the outside of damper cylinder (5) is provided with adjusting plate (201), the outside of damper cylinder (5) and the one side that is located adjusting plate (201) are provided with damping spring (3), the inside one end of damper cylinder (5) is provided with floating piston (6), the inside of damper cylinder (5) and the one side that is located floating piston (6) are provided with bottom (205) through the screw thread, the one end of piston rod (203) and the inside fixed piston block (7) that is provided with of damper cylinder (5), outer connection key (4) is installed to the other end of piston rod (203).

2. The variable damping shock absorber according to claim 1, wherein: the diameter of the fixed seat (2) is the same as that of the mounting seat (102), and the fixed seat (2) is connected with the mounting seat (102) through a bolt.

3. The variable damping shock absorber according to claim 1, wherein: one end of the piston rod (203) is provided with an adjusting nut (202) through threads.

4. The variable damping shock absorber according to claim 1, wherein: and a sealing ring (204) is fixedly arranged at one side of the bottom cover (205) and inside the shock absorption cylinder (5).

5. The variable damping shock absorber according to claim 1, wherein: the adjusting disc (201) is installed with the damping cylinder (5) through threads, and the floating piston (6) divides the interior of the damping cylinder (5) into an air cabin (8) and an oil cabin (9).

6. The variable damping shock absorber according to claim 1, wherein: the damping spring (3) is sleeved outside the damping cylinder (5) and the piston rod (203) and is located between the adjusting plate (201) and the outer connecting key (4).