CN218266971U

CN218266971U - Electromagnetic valve controlled single-cylinder shock absorber

Info

Publication number: CN218266971U
Application number: CN202222735924.9U
Authority: CN
Inventors: 岑慎洪; 胡胜达; 杨国飞
Original assignee: ZHEJIANG WENDA SHOCK ABSORBER CO Ltd
Current assignee: ZHEJIANG WENDA SHOCK ABSORBER CO Ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-01-10
Anticipated expiration: 2032-10-18

Abstract

The utility model discloses a solenoid valve control single-cylinder shock absorber relating to the field of shock absorbers, including the main cylinder body, the oil storage cylinder body, first connector, piston rod and second connector, run through and set up the through groove near the bottom between the main cylinder body and the oil storage cylinder body, the top has set up the reservation chamber in the through groove, the top installs the electro-magnet through the mounting groove in the reservation chamber, the electro-magnet bottom is connected with the permanent magnet through reset spring, the permanent magnet bottom is connected with the valve plate, the top installs the fixed plate through the fixed slot in the lug, the welding of piston rod top one side has the extension board, the periphery of the main cylinder body top installs the sprue through connecting screw, sprue top one end is fixed with photoelectric ranging sensor through the screw; this novel can conveniently treat the displacement of shock attenuation end and detect to utilize automatically controlled valve control oil feed according to the displacement, response speed when the oil feed is fast, the good reliability during the use is fit for extensively using widely.

Description

Electromagnetic valve controlled single-cylinder shock absorber

Technical Field

The utility model relates to a bumper shock absorber technical field, in particular to solenoid valve control single-cylinder shock absorber.

Background

The shock absorber is a mechanism which is commonly used in the fields of automobiles and the like and is used for shock absorption, and the using effect of the shock absorber directly influences the comfort of people in the driving process of the automobile.

The prior shock absorber has the following defects: 1. the displacement of the to-be-damped end cannot be conveniently detected, the electric control valve is used for controlling oil inlet according to the displacement, the response speed during oil inlet is not rapid enough, and the reliability during use is poor. Accordingly, a solenoid controlled mono-tube damper is provided by those skilled in the art to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides solenoid valve control single-cylinder shock absorber to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

solenoid valve control single-cylinder shock absorber, including main cylinder body, oil storage cylinder body, first connector, piston rod and second connector, be close to bottom department between main cylinder body and the oil storage cylinder body and run through and seted up and link up the groove, link up the inslot top and seted up and reserve the chamber, reserve the intracavity top and install the electro-magnet through the mounting groove, the electro-magnet bottom is connected with the permanent magnet through reset spring, the permanent magnet bottom is connected with the valve plate, the fixed plate is installed through the fixed slot at top in the lug, the welding of piston rod top one side has the extension board, the sprue is installed through connecting screw in main cylinder body top periphery, sprue top one end has photoelectric distance measuring sensor through the screw fixation, photoelectric distance measuring sensor's sense terminal is located the extension board lower extreme.

As the utility model discloses further scheme again: the valve plate bottom is provided with the lug, the fixed plate top is seted up flutedly, the lug is located the recess, is located the recess through the lug, conveniently carries out the counterpoint better when being close to valve plate and fixed plate.

As the utility model discloses further scheme again: the utility model discloses a stop valve, including main cylinder body, connecting rod, PLC controller, electro-magnet and stop valve, connecting rod fixedly connected with PLC controller is passed through to main cylinder body bottom one side, and the PLC controller is responsible for receiving the signal of photoelectric distance measuring sensor transmission to control electro-magnet and stop valve according to the signal of photoelectric distance measuring sensor transmission.

As the utility model discloses further scheme again: the hydraulic oil return device is characterized in that an oil outlet is formed in one side of the top end of the main cylinder body, an oil return pipe is connected to the outer side of the oil outlet, the bottom end of the oil return pipe is communicated with the oil storage cylinder body, and a stop valve is arranged on the oil return pipe and enables hydraulic oil entering the main cylinder body to flow back into the oil storage cylinder body through the oil return pipe when the stop valve is opened.

As a further aspect of the present invention: the piston is arranged in the main cylinder body in a sleeved mode, oil through holes are formed in two ends of the top of the piston in a penetrating mode, and a piston rod is installed on the top of the piston through a fixing groove.

As a further aspect of the present invention: the oil seal is installed through the preformed groove in sprue inner wall and piston rod contact department, through the oil seal, conveniently when the piston rod removes to the effective sealing of space department between piston rod and the sprue.

As a further aspect of the present invention: and the top of the piston rod and the bottom of the main cylinder body are respectively welded with a second connector and a first connector.

As the utility model discloses further scheme again: threaded grooves are formed in one sides of the second connector and the first connector in a penetrating mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when vibration reduction is needed, the PLC controller controls the circuit between the electromagnet and the external power supply to be communicated, the electromagnet conveniently attracts the permanent magnet after being electrified, so that the lug is separated from the groove, the through groove is communicated, oil pre-stored in the oil storage cylinder body flows into the main cylinder body, a limiting effect is achieved on the piston, and the vibration reduction effect is achieved;

fluid still flows into main cylinder body inner top by the oil through hole, when photoelectric distance measuring sensor detects the extension board and stops moving, PLC controller control electro-magnet loses the electricity, and control stop valve opens, reset spring promotes permanent magnet and valve plate and pushes down and resets, the fluid at the top in the main cylinder body returns into in the oil storage cylinder body by oil return pipe, this shock absorber can conveniently treat the displacement of shock attenuation end and detect, and utilize automatically controlled valve control oil feed according to the displacement, response speed when the oil feed is rapid, good reliability during the use.

Drawings

Fig. 1 is a schematic view of the overall structure of the solenoid operated single tube shock absorber of the present invention.

Fig. 2 is the structural schematic diagram of the photoelectric distance measuring sensor of the solenoid valve controlled single-cylinder shock absorber of the present invention.

Fig. 3 is a schematic cross-sectional structural view of the solenoid valve controlled single-tube shock absorber of the present invention.

In the figure: 1. a main cylinder body; 2. an oil storage cylinder body; 3. a first connection head; 4. a piston rod; 5. a second connector; 6. a thread groove; 7. an extension plate; 8. a photoelectric distance measuring sensor; 9. a PLC controller; 10. a connecting screw; 11. blocking; 12. an oil return pipe; 13. a stop valve; 14. reserving a cavity; 15. an electromagnet; 16. a return spring; 17. a permanent magnet; 18. a valve plate; 19. a fixing plate; 20. a bump; 21. a groove; 22. a through groove; 23. oil sealing; 24. a piston; 25. an oil through hole.

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.

Please refer to fig. 1-3, the embodiment of the utility model provides an, solenoid valve control single-cylinder shock absorber, including the master cylinder body 1, oil storage cylinder body 2, first connector 3, piston rod 4 and second connector 5, it runs through and has seted up through groove 22 to be close to bottom department between the master cylinder body 1 and the oil storage cylinder body 2, it has seted up reservation chamber 14 to have seted up at the top in groove 22, it installs electro-magnet 15 through the mounting groove at the top in chamber 14 to reserve, electro-magnet 15 bottom is connected with permanent magnet 17 through reset spring 16, permanent magnet 17 bottom is connected with valve plate 18, fixed plate 19 is installed through the fixed slot at the top in the lug 20, 4 top one side welding of piston rod has extension board 7, 1 top periphery of master cylinder body installs sprue 11 through connecting screw 10, sprue 11 top one end has photoelectric distance measuring sensor 8 through the screw fixation, photoelectric distance measuring sensor 8's sense terminal is located extension board 7 lower extremes.

Wherein, the bottom of the valve plate 18 is provided with a convex block 20, the top of the fixing plate 19 is provided with a groove 21, and the convex block 20 is positioned in the groove 21; the projection 20 is located in the groove 21, so that the valve plate 18 and the fixing plate 19 can be better aligned when being close to each other.

Wherein, one side of the bottom end of the main cylinder body 1 is fixedly connected with a PLC (programmable logic controller) 9 through a connecting rod; the PLC 9 is responsible for receiving signals transmitted by the photoelectric distance measuring sensor 8 and controlling the electromagnet 15 and the stop valve 13 according to the signals transmitted by the photoelectric distance measuring sensor 8.

Wherein, one side of the top end of the main cylinder body 1 is provided with an oil outlet, the outer side of the oil outlet is connected with an oil return pipe 12, the bottom end of the oil return pipe 12 is communicated with the oil storage cylinder body 2, and the oil return pipe 12 is provided with a stop valve 13; when the shutoff valve 13 is opened, the hydraulic oil introduced into the main cylinder 1 is returned to the oil storage cylinder 2 via the oil return pipe 12.

Wherein, a piston 24 is sleeved in the main cylinder body 1, oil through holes 25 are respectively arranged at two ends of the top of the piston 24 in a penetrating manner, and a piston rod 4 is arranged at the top of the piston 24 through a fixing groove; the piston rod 4 facilitates synchronous movement with the up and down movement of the piston 24.

Wherein, the contact part of the inner wall of the block 11 and the piston rod 4 is provided with an oil seal 23 through a reserved groove; by means of the oil seal 23, an effective sealing of the space between the piston rod 4 and the block 11 is facilitated when the piston rod 4 is moved.

Wherein, the top of the piston rod 4 and the bottom of the main cylinder body 1 are respectively welded with a second connector 5 and a first connector 3; through second connector 5 and first connector 3, conveniently be connected with automobile body and frame respectively.

Wherein, threaded grooves 6 are respectively arranged on one sides of the second connector 5 and the first connector 3 in a penetrating way; through thread groove 6, the convenient screw thread post cooperation with on automobile body and the frame is connected to the convenience is installed this shock absorber.

The utility model discloses a theory of operation is: the shock absorber is conveniently matched and connected with threaded columns on a vehicle body and a vehicle frame through a threaded groove 6, the shock absorber is conveniently installed, the distance between the shock absorber and an extension plate 7 is conveniently detected through a photoelectric distance measuring sensor 8, signals are transmitted to a PLC (programmable logic controller) 9, the PLC 9 conveniently controls an electromagnet 15 and a stop valve 13 after receiving the signals transmitted by the photoelectric distance measuring sensor 8, when the extension plate 7 is detected to lean against a main cylinder body 1 and needs to be damped, the PLC 9 controls a circuit between the electromagnet 15 and an external power supply to be communicated, the electromagnet 15 attracts a permanent magnet 17 after being electrified, so that a bump 20 is separated from a groove 21, a through groove 22 is communicated, oil liquid prestored in an oil storage cylinder body 2 flows into the main cylinder body 1 and plays a limiting role in a piston 24 to finish a damping function, the oil liquid also flows into the top of the main cylinder body 1 through an oil through hole 25, when the photoelectric distance measuring sensor 8 detects that the extension plate 7 stops moving, the electromagnet 15 controls the electromagnet 15 to lose electricity and controls the oil storage cylinder body 13 to be opened, a reset spring 16 pushes the permanent magnet 17 and a valve plate 18 to be pressed down, the top of the shock absorber to be reset, the oil can be conveniently controlled by the oil inlet pipe, and the oil inlet pipe to respond to be used when the oil inlet pipe, and the oil inlet can be detected, and the oil can be detected quickly.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Solenoid valve control single-cylinder shock absorber, including main cylinder body (1), oil storage cylinder body (2), first connector (3), piston rod (4) and second connector (5), its characterized in that: run through near bottom department between master cylinder body (1) and the oil storage cylinder body (2) and seted up through groove (22), it has seted up reservation chamber (14) to link up the interior top of groove (22), reserve chamber (14) interior top and install electro-magnet (15) through the mounting groove, electro-magnet (15) bottom is connected with permanent magnet (17) through reset spring (16), permanent magnet (17) bottom is connected with valve plate (18), valve plate (18) bottom is provided with lug (20), fixed plate (19) are installed through the fixed slot in lug (20) interior top, the welding of piston rod (4) top one side has extension board (7), sprue (11) are installed through connecting screw (10) in master cylinder body (1) top periphery, sprue (11) top one end is passed through the screw fixation and is had photoelectricity measuring distance sensor (8), the sense terminal of photoelectricity measuring distance sensor (8) is located extension board (7) lower extreme.

2. The solenoid controlled mono-tube shock absorber according to claim 1, wherein: the top of the fixing plate (19) is provided with a groove (21), and the bump (20) is positioned in the groove (21).

3. The solenoid controlled mono-tube shock absorber according to claim 1, wherein: one side of the bottom end of the main cylinder body (1) is fixedly connected with a PLC (programmable logic controller) (9) through a connecting rod.

4. The solenoid controlled mono-tube shock absorber according to claim 1, wherein: an oil outlet is formed in one side of the top end of the main cylinder body (1), an oil return pipe (12) is connected to the outer side of the oil outlet, the bottom end of the oil return pipe (12) is communicated with the oil storage cylinder body (2), and a stop valve (13) is arranged on the oil return pipe (12).

5. The solenoid controlled mono-tube shock absorber according to claim 1, wherein: piston (24) are equipped with to the cover in the master cylinder body (1), piston (24) top both ends have all run through and have seted up oil through hole (25), piston rod (4) are installed through the fixed slot in piston (24) top.

6. The solenoid controlled mono-tube shock absorber according to claim 1, wherein: and an oil seal (23) is arranged at the contact part of the inner wall of the block (11) and the piston rod (4) through a reserved groove.

7. The solenoid controlled mono-tube shock absorber according to claim 1, wherein: the top of the piston rod (4) and the bottom of the main cylinder body (1) are respectively welded with a second connector (5) and a first connector (3).

8. The solenoid controlled mono-tube shock absorber according to claim 7, wherein: and a thread groove (6) is formed in one side of each of the second connector (5) and the first connector (3) in a penetrating mode.