CN209977130U

CN209977130U - Gas-liquid mixed damping shock absorber for front fork of electric vehicle

Info

Publication number: CN209977130U
Application number: CN201822248262.6U
Authority: CN
Inventors: 刘清涛; 蒋淑惠
Original assignee: Wuxi Tianxi Machinery Equipment Manufacturing Co Ltd
Current assignee: Wuxi Tianxi Machinery Equipment Manufacturing Co Ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2020-01-21
Anticipated expiration: 2028-12-29

Abstract

The utility model relates to a damping bumper shock absorber technical field just discloses a gas-liquid mixture formula damping bumper shock absorber for electric motor car front fork, the connecting pipe comprises a connecting pipe, the outside threaded connection of connecting pipe has the sealed tube, the outside fixed mounting of sealed tube has the sleeve pipe, the inside diapire fixed mounting of connecting pipe has the loose ring, the inside fixed mounting of loose ring has the movable rod that one end extends to the connecting pipe bottom, the top fixed mounting of loose ring has the inside collar that is located the connecting pipe, the inside fixed mounting of collar has one end and loose ring top fixed connection's inner tube, the cavity has been seted up to the inside of inner tube, the top fixed mounting of movable rod has the connecting piece that is located the inner tube inside. This a gas-liquid mixture formula damping shock absorber for electric motor car front fork has the advantage of adjusting the absorbing dynamics, has solved among the prior art gas-liquid mixture formula damping shock absorber in the use, and the problem that the absorbing dynamics can't be adjusted.

Description

Gas-liquid mixed damping shock absorber for front fork of electric vehicle

Technical Field

The utility model relates to a gas-liquid mixture formula damping shock absorber for electric motor car front fork belongs to damping shock absorber technical field.

Background

Electric vehicles, namely electric drive vehicles, are also known as electric drive vehicles. Electric vehicles are classified into alternating current electric vehicles and direct current electric vehicles. The invention relates to an electric vehicle, in general, a battery is used as an energy source, electric energy is converted into mechanical energy to move through components such as a controller and a motor, and a vehicle with speed changed by controlling current magnitude is manufactured in 1881, the invention is a direct-current motor-driven tricycle which is driven by a direct-current motor and driven by a lead-acid battery by a French engineer Gustave Trouv ancient staff, the invention is various types of electric vehicles, and a notification about low-speed electric vehicle management is jointly issued by six departments such as the Ministry of industry, Ministry of industry and development Commission in 2018 in 11 months, and the like, and various organizations are required to carry out low-speed electric vehicle cleaning and finishing work, strictly forbid to increase the capacity of the low-speed electric vehicles and strengthen the standard management of the low-speed electric vehicles.

A gas-liquid mixing formula damping shock absorber for electric motor car front fork among the prior art is in the use, can't adjust absorbing dynamics to the problem that the above-mentioned proposition was solved to a gas-liquid mixing formula damping shock absorber for electric motor car front fork that provides.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gas-liquid mixture formula damping shock absorber for electric motor car front fork to the defect that prior art exists.

The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: a gas-liquid mixed damping shock absorber for an electric vehicle front fork is characterized in that a sealing pipe is in threaded connection with the outer side of a connecting pipe, a sleeve is fixedly mounted on the outer side of the sealing pipe, a movable ring is fixedly mounted on the inner bottom wall of the connecting pipe, a movable rod with one end extending to the bottom of the connecting pipe is fixedly mounted inside the movable ring, a mounting ring located inside the connecting pipe is fixedly mounted at the top of the movable ring, an inner pipe with one end fixedly connected with the top of the movable ring is fixedly mounted inside the mounting ring, a cavity is formed inside the inner pipe, a connecting piece located inside the inner pipe is fixedly mounted at the top of the movable rod, a first piston located inside the inner pipe is fixedly mounted at the top of the connecting piece, a spring with one end fixedly connected with the inner top wall of the connecting pipe is fixedly mounted at the top of the mounting, the top fixed mounting of second piston has one end to extend to the inner tube top and with the inside roof fixed connection's of sealed tube dead lever, the inside fixed mounting of sealed tube has the spacing ring, the bottom fixed mounting of spacing ring has the sealing washer, the outside fixed mounting of inner tube has the third piston that is located the sealed tube inside, the intraductal fixed mounting of cover has the go-between, the inside fixed mounting of go-between has one end to extend to the siphunculus that the inside other end of sealed tube extended to the sleeve pipe outside, the inside fixed mounting of siphunculus has the gas core.

Further, the mounting ring and the movable ring are both movably connected with the connecting pipe, and the top of the inner pipe extends to the top of the connecting pipe.

Furthermore, the diameter of the cavity is matched with the diameters of the first piston and the second piston, and the fixing rod is movably connected with the inner tube.

Further, the diameter of the outer ring of the third piston is matched with the inner diameter of the sealing pipe, and the outer side of the third piston is in contact with the sealing pipe.

Furthermore, a through hole is formed in the top of the inner tube, the fixing rod penetrates through the through hole of the inner tube, and the diameter of the through hole is smaller than that of the cavity.

Furthermore, the spacing ring is located the top of connecting pipe, and the sealing washer contacts with the connecting pipe.

Further, the utility model has the advantages that: when the movable rod is impacted, the movable rod pushes the mounting ring and the movable ring to move upwards, so that the mounting ring compression spring reduces vibration, the movable ring moves upwards to drive the inner pipe to move upwards, liquid is filled in the cavity, the space between the first piston and the second piston is reduced when the inner pipe moves upwards, the vibration is reduced by the compressed liquid, the inner pipe moves upwards and drives the third piston to move upwards, the third piston moves upwards to compress gas in the sealing pipe, so that the air pressure in the sealing pipe is increased to reduce the vibration, the purpose of gas-liquid mixed damping is achieved, when the damping force of the gas-liquid mixed damping damper is too strong, the gas-liquid mixed damping damper can be connected with the through pipe and the air core by utilizing equipment such as an inflator and the like, the air core controls the unidirectional circulation of the gas, the air is pumped into the sealing pipe through the communication of the air core and the through pipe, so that the, the air pressure in the sealing pipe is increased, and the third piston is limited by the air pressure in the damping process, so that the moving range is reduced, and the aim of adjusting the damping force is fulfilled.

Drawings

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

fig. 2 is an enlarged view of a position a in the structure diagram 1 of the present invention.

Detailed Description

As shown in fig. 1 to 2, in a gas-liquid mixed damping shock absorber for an electric vehicle front fork, a sealing tube 2 is screwed on the outer side of a connecting tube 1, a sleeve 3 is fixedly installed on the outer side of the sealing tube 2, a movable ring 6 is fixedly installed on the inner bottom wall of the connecting tube 1, a movable rod 5 with one end extending to the bottom of the connecting tube 1 is fixedly installed inside the movable ring 6, a mounting ring 4 located inside the connecting tube 1 is fixedly installed on the top of the movable ring 6, an inner tube 9 with one end fixedly connected with the top of the movable ring 6 is fixedly installed inside the mounting ring 4, both the mounting ring 4 and the movable ring 6 are movably connected with the connecting tube 1, the top of the inner tube 9 extends to the top of the connecting tube 1, a limit ring 14 is located on the top of the connecting tube 1, a sealing ring 13 is in contact with the connecting tube 1, a cavity 11 is formed inside the inner tube 9, a first piston 8 positioned in an inner tube 9 is fixedly arranged at the top of the connecting piece 7, a spring 10 with one end fixedly connected with the top wall in the connecting tube 1 is fixedly arranged at the top of the mounting ring 4, a second piston 12 is movably arranged in the inner tube 9, a fixing rod 16 with one end extending to the top of the inner tube 9 and fixedly connected with the top wall in the sealing tube 2 is fixedly arranged at the top of the second piston 12, the diameter of the cavity 11 is matched with the diameters of the first piston 8 and the second piston 12, the fixing rod 16 is movably connected with the inner tube 9, a limiting ring 14 is fixedly arranged in the sealing tube 2, a sealing ring 13 is fixedly arranged at the bottom of the limiting ring 14, a third piston 15 positioned in the sealing tube 2 is fixedly arranged at the outer side of the inner tube 9, the outer ring diameter of the third piston 15 is matched with the inner diameter of the sealing tube 2, and the outer side of the third piston, a connecting ring 17 is fixedly arranged inside the sleeve 3, a through pipe 18 with one end extending to the inside of the sealing pipe 2 and the other end extending to the outside of the sleeve 3 is fixedly arranged inside the connecting ring 17, an air core 19 is fixedly arranged inside the through pipe 18, a through hole is formed in the top of the inner pipe 9, a fixing rod 16 penetrates through the through hole of the inner pipe 9, the diameter of the through hole is smaller than that of the cavity 11, when the movable rod 5 is impacted, the movable rod 5 pushes the mounting ring 4 and the movable ring 6 to move upwards, the vibration of the compression spring 10 of the mounting ring 4 is reduced, the movable ring 6 moves upwards to drive the inner pipe 9 to move upwards, liquid is filled inside the cavity 11, when the inner pipe 9 moves upwards, the space between the first piston 8 and the second piston 12 is reduced, the vibration is reduced by the compressed liquid, the inner pipe 9 moves upwards while driving the third piston 15 to move upwards, the third piston, make the inside atmospheric pressure increase of sealed tube 2 slow down vibrations, thereby the absorbing purpose of gas-liquid mixture formula damping shock absorber has been reached, when the damping power degree of gas-liquid mixture formula damping shock absorber was too strong, the accessible utilizes equipment such as inflater to be connected with siphunculus 18 and gas core 19, the gaseous one-way circulation of gas core 19 control, the inflates sealed tube 2 inside through gas core 19 and siphunculus 18 intercommunication, make the inside atmospheric pressure increase of sealed tube 2, the inside atmospheric pressure increase of sealed tube receives the restriction of atmospheric pressure at shock attenuation in-process third piston 15, reduce the home range, thereby reached the purpose of adjusting absorbing dynamics.

When the gas-liquid mixed damping shock absorber is used, when the movable rod 5 is impacted, the movable rod 5 pushes the mounting ring 4 and the movable ring 6 to move upwards, the mounting ring 4 compresses the spring 10 to reduce shock, the movable ring 6 moves upwards to drive the inner pipe 9 to move upwards, the cavity 11 is filled with liquid, when the inner pipe 9 moves upwards, the space between the first piston 8 and the second piston 12 is reduced, the compressed liquid reduces shock, the inner pipe 9 moves upwards and drives the third piston 15 to move upwards, the third piston 15 moves upwards to compress gas in the sealing pipe 2, so that the gas pressure in the sealing pipe 2 is increased to reduce shock, and the purpose of gas-liquid mixed shock absorption is achieved, when the shock absorption force of the gas-liquid mixed damping shock absorber is too strong, the gas can be connected with the through a through pipe 18 and the gas core 19 by utilizing equipment such as an inflator, the gas core 19 controls the one-way circulation of the gas, the inflator is communicated with the through the gas core 19 and the through, make the inside atmospheric pressure increase of sealed tube 2, the atmospheric pressure increase of sealed tube 2 inside receives the restriction of atmospheric pressure at shock attenuation in-process third piston 15, reduces home range to reached and carried out the purpose of adjusting the absorbing dynamics, solved among the prior art be used for the gas-liquid mixture formula damping shock absorber of electric motor car front fork in the use, can't carry out the problem of adjusting the absorbing dynamics.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a gas-liquid mixture formula damping bumper shock absorber for electric motor car front fork, includes connecting pipe (1), its characterized in that: the outer side of the connecting pipe (1) is in threaded connection with a sealing pipe (2), the outer side of the sealing pipe (2) is fixedly provided with a sleeve (3), the inner bottom wall of the connecting pipe (1) is fixedly provided with a movable ring (6), the inner fixed mounting of the movable ring (6) is provided with a movable rod (5) of which one end extends to the bottom of the connecting pipe (1), the top of the movable ring (6) is fixedly provided with a mounting ring (4) positioned inside the connecting pipe (1), the inner fixed mounting of the mounting ring (4) is provided with an inner pipe (9) of which one end is fixedly connected with the top of the movable ring (6), the inner part of the inner pipe (9) is provided with a cavity (11), the top of the movable rod (5) is fixedly provided with a connecting piece (7) positioned inside the inner pipe (9), the top of the connecting piece (7) is fixedly provided with a first, the top fixed mounting of collar (4) has spring (10) of one end and the inside roof fixed connection of connecting pipe (1), the inside movable mounting of inner tube (9) has second piston (12), the top fixed mounting of second piston (12) has one end to extend to inner tube (9) top and with seal tube (2) inside roof fixed connection's dead lever (16), the inside fixed mounting of seal tube (2) has spacing ring (14), the bottom fixed mounting of spacing ring (14) has sealing washer (13), the outside fixed mounting of inner tube (9) has third piston (15) that are located seal tube (2) inside, the inside fixed mounting of sleeve pipe (3) has go-between (17), the inside fixed mounting of go-between (17) has siphunculus (18) that one end extends to the inside other end of seal tube (2) and extends to the sleeve pipe (3) outside, and an air core (19) is fixedly arranged in the through pipe (18).

2. The air-liquid mixing type damping shock absorber for the front fork of the electric vehicle as set forth in claim 1, wherein: the mounting ring (4) and the movable ring (6) are both movably connected with the connecting pipe (1), and the top of the inner pipe (9) extends to the top of the connecting pipe (1).

3. The air-liquid mixing type damping shock absorber for the front fork of the electric vehicle as set forth in claim 1, wherein: the diameter of the cavity (11) is matched with the diameters of the first piston (8) and the second piston (12), and the fixing rod (16) is movably connected with the inner tube (9).

4. The air-liquid mixing type damping shock absorber for the front fork of the electric vehicle as set forth in claim 1, wherein: the diameter of the outer ring of the third piston (15) is matched with the inner diameter of the sealing pipe (2), and the outer side of the third piston (15) is in contact with the sealing pipe (2).

5. The air-liquid mixing type damping shock absorber for the front fork of the electric vehicle as set forth in claim 1, wherein: the top of the inner pipe (9) is provided with a through hole, the fixing rod (16) penetrates through the through hole of the inner pipe (9), and the diameter of the through hole is smaller than that of the cavity (11).

6. The air-liquid mixing type damping shock absorber for the front fork of the electric vehicle as set forth in claim 1, wherein: the limiting ring (14) is located at the top of the connecting pipe (1), and the sealing ring (13) is in contact with the connecting pipe (1).