CN115875347A - Oil liquid filtering device of electro-hydraulic servo valve - Google Patents

Oil liquid filtering device of electro-hydraulic servo valve Download PDF

Info

Publication number
CN115875347A
CN115875347A CN202310128775.6A CN202310128775A CN115875347A CN 115875347 A CN115875347 A CN 115875347A CN 202310128775 A CN202310128775 A CN 202310128775A CN 115875347 A CN115875347 A CN 115875347A
Authority
CN
China
Prior art keywords
plate
oil tank
fixedly connected
electro
hydraulic servo
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202310128775.6A
Other languages
Chinese (zh)
Other versions
CN115875347B (en
Inventor
倪宇佩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yantai Zhongyu Aerohydraulic Co ltd
Original Assignee
Yantai Zhongyu Aerohydraulic Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yantai Zhongyu Aerohydraulic Co ltd filed Critical Yantai Zhongyu Aerohydraulic Co ltd
Priority to CN202310128775.6A priority Critical patent/CN115875347B/en
Publication of CN115875347A publication Critical patent/CN115875347A/en
Application granted granted Critical
Publication of CN115875347B publication Critical patent/CN115875347B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Fluid-Pressure Circuits (AREA)

Abstract

The invention discloses an oil liquid filtering device of an electro-hydraulic servo valve, which relates to the technical field of oil liquid filtering devices and comprises an oil tank, a high-pressure pipe, a valve type filter, an electro-hydraulic servo valve body, a filtering mechanism and an installation mechanism, wherein the high-pressure pipe is fixedly connected in the oil tank, the valve type filter is sleeved on the outer side of the high-pressure pipe in a sliding mode, the electro-hydraulic servo valve body is arranged on the valve type filter, the filtering mechanism is arranged on the oil tank, and the installation mechanism is arranged on the high-pressure pipe and the valve type filter together. The invention has the functions of effectively filtering oil liquid and cleaning filtered impurities, can be used for quickly installing the high-pressure pipe and ensures that the high-pressure pipe has good connection sealing property.

Description

Oil liquid filtering device of electro-hydraulic servo valve
Technical Field
The invention belongs to the technical field of oil liquid filtering devices, and particularly relates to an oil liquid filtering device of an electro-hydraulic servo valve.
Background
The electro-hydraulic servo valve is one of key elements in electro-hydraulic servo control, is a hydraulic control valve for correspondingly adjusting flow and pressure after receiving an electric signal, has the advantages of quick response, high precision, long service life and the like, and is widely applied to the fields of chemical industry, metallurgy, aviation and the like.
The Chinese patent with publication number CN110529447A discloses an oil liquid filtering device of an electro-hydraulic servo valve, which comprises an oil tank and the electro-hydraulic servo valve positioned on one side of the oil tank, wherein one side of the oil tank is fixedly connected with one end of a high-pressure pipe, the other end of the high-pressure pipe is fixedly provided with a valve type filter, the valve type filter is fixedly connected with the electro-hydraulic servo valve, one side of the oil tank is fixedly provided with a recovery tank, the inner wall of one side of the recovery tank is provided with a communicating hole, the communicating hole is communicated with the oil tank, and the inner wall of one side of the recovery tank is fixedly provided with one end of a connecting pipe; according to the invention, the filter screen and the recovery frame are moved back and forth, so that the filter screen and the recovery frame can be prevented from being blocked, the recovery frame is convenient to disassemble and assemble, and sundries can be intensively recovered and cleaned through the recovery frame.
However, the conventional oil filter device of the electro-hydraulic servo valve has certain disadvantages, and firstly, although the conventional oil filter device of the electro-hydraulic servo valve adopts a filter screen to filter impurities of oil, due to the arrangement of the hinged seat, the whole sealing performance of the oil tank is poor, and no good filter mechanism is provided, so that the filtering effect of the oil is weak, and secondly, the conventional oil filter device of the electro-hydraulic servo valve also has no good installation mechanism, so that people cannot conveniently install and use the high-pressure pipe and the valve type filter in a sealing manner.
Disclosure of Invention
The invention aims to provide an oil liquid filtering device of an electro-hydraulic servo valve, which solves the problems of poor integral sealing performance of an oil tank and inconvenience in installation between a high-pressure pipe and a valve type filter in the background technology.
The invention provides the following technical scheme:
the utility model provides an electro-hydraulic servo valve's fluid filter equipment, includes oil tank, high-pressure pipe, valve formula filter, electro-hydraulic servo valve body, fixedly connected with high-pressure pipe in the oil tank, the valve formula filter has been cup jointed in the outside slip of high-pressure pipe, is provided with electro-hydraulic servo valve body on the valve formula filter, is provided with filtering mechanism on the oil tank, is provided with installation mechanism jointly on high-pressure pipe and the valve formula filter.
As preferred, filtering mechanism includes a fixed cylinder, and a fixed cylinder fixed mounting installs on the oil tank, installs the dwang through the bearing in the fixed cylinder, is provided with the elastic webbing on the dwang, and the other end and the fixed cylinder of elastic webbing bond, fixedly connected with sealed dish on the dwang, sealed dish and oil tank contact, and fixedly connected with elasticity end cap on the sealed dish, elasticity end cap and oil tank sliding connection through the setting of elasticity end cap, sealed dish isotructure, can seal the processing to the inlet on the oil tank.
Preferably, the fixed plate is fixedly connected to the inside of the oil tank, the filter screen is fixedly connected to the inside of the fixed plate, the motor is fixedly mounted on the oil tank, an output shaft of the motor is rotatably connected to the oil tank, a threaded rod is fixedly connected to the output shaft of the motor and rotatably connected to the oil tank, a movable plate is connected to the outer side of the threaded rod through threads, a guide rod is fixedly connected to the inside of the oil tank and slidably connected to the movable plate, a square rod is slidably connected to the movable plate, a first elastic piece is bonded to the square rod, the other end of the first elastic piece is bonded to the movable plate, a scraper is fixedly connected to the square rod and slidably connected to the fixed plate, and the scraper can be pushed to move through the arrangement of the structures such as the motor, the threaded rod and the guide rod, so that impurities attached to the filter screen are cleaned.
Preferably, the oil tank is contacted with a sealing plate, the sealing plate is fixedly connected with a sealing block, the sealing block is connected with the oil tank in a sliding manner, the oil tank is fixedly connected with a collection seat, the collection seat is contacted with the sealing plate, the sealing plate is fixedly connected with a traction plate, the traction plate is connected with the collection seat in a sliding manner, a positioning hole is formed in the collection seat, the collection seat is fixedly connected with an air cylinder, the telescopic end of the air cylinder is connected with the collection seat in a sliding manner, the telescopic end of the air cylinder is connected with the traction plate in a fixed manner, a sliding rod is fixedly connected in the traction plate, a pressing plate is sleeved on the outer side of the sliding rod in a sliding manner, the pressing plate is connected with the traction plate in a sliding manner, a first spring is arranged on the outer side of the sliding rod, a positioning block is connected with the positioning hole in a sliding manner, and the sealing plate can be opened and closed by the aid of the air cylinder, the traction plate and the like.
Preferably, the two positioning holes are uniformly distributed on the collecting seat, and are convenient to be matched with the positioning blocks for clamping and connecting use through the positioning holes.
Preferably, one end of the first spring is welded with the pressure plate, the other end of the first spring is welded with the traction plate, and the traction plate can be connected for use through the arrangement of the first spring.
Preferably, the installation mechanism comprises an installation barrel, the installation barrel is fixedly installed on the valve type filter, an insertion rod is connected in the installation barrel in a sliding mode, the insertion rod is connected with the valve type filter in a sliding mode, the insertion rod is connected with the high-pressure pipe in a sliding mode, a guide plate is fixedly connected in the installation barrel and connected with the insertion rod in a sliding mode, a second elastic piece is bonded on the guide plate, the other end of the second elastic piece is bonded with the insertion rod, and the high-pressure pipe can be inserted and limited through the arrangement of the insertion rod, the elastic piece and other structures.
Preferably, the valve type filter is internally and fixedly connected with a sealing ring, the high-pressure pipe is contacted with four sealing pieces, the four sealing pieces are contacted with each other, the sealing pieces are contacted with the sealing ring, a connecting rod is fixedly connected to the sealing pieces and is in sliding connection with the high-pressure pipe, a guide ball is fixedly connected to the connecting rod and is in sliding connection with the high-pressure pipe, a second spring is welded to the guide ball, the other end of the second spring is welded to the high-pressure pipe, and the installation sealing performance of the high-pressure pipe can be guaranteed through arrangement of the sealing pieces, the sealing ring and the like.
The invention relates to an oil liquid filtering device of an electro-hydraulic servo valve, which has the characteristics of effectively filtering oil liquid, cleaning filtered impurities, quickly installing a high-pressure pipe and ensuring good connection sealing performance of the high-pressure pipe, and has the following beneficial effects compared with the traditional oil liquid filtering device of the electro-hydraulic servo valve in specific use:
first, through setting up filter mechanism, the fixed cylinder, the dwang, the elastic webbing, sealed dish, elasticity end cap, the fixed plate, the filter screen, including a motor, an end cap, a controller, and a cover plate, the threaded rod, the movable plate, the guide arm, the square bar, elastic component one, the scraper blade, the closing plate, sealed piece, collect the seat, the structure such as traction plate, sealed dish, the elasticity end cap, under the cooperation of structure such as elastic webbing is used, can seal the processing to the oil inlet of oil tank, under the effect of filter screen, can carry out filtration processing to fluid, the starter motor drive threaded rod rotates, can promote the scraper blade and slide along the filter screen surface, it clears up adnexed impurity to the filter screen, at the cylinder, the traction plate, under the effect of structure such as locating hole, can open the closing plate, and then promote impurity, the clearance of the people of being convenient for is used.
Secondly, through setting up structures such as installation mechanism, installation section of thick bamboo, inserted bar, baffle, elastic component two, sealing washer, gasket, connecting rod, guide ball, under the effect of structures such as inserted bar, elastic component, can peg graft spacingly to the high-pressure pipe, the quick installation of people of being convenient for is used to under the cooperation of structures such as gasket, sealing washer is used, can carry out the leakproofness to the high-pressure pipe, in order to guarantee the sealed effect of installation of high-pressure pipe.
Drawings
FIG. 1 is a perspective view of the overall construction of the present invention;
FIG. 2 is a front cross-sectional view of FIG. 1 of the present invention;
FIG. 3 is an enlarged view of FIG. 2 at A in accordance with the present invention;
FIG. 4 is an enlarged view of FIG. 2 at B of the present invention;
FIG. 5 is an enlarged view of the invention at C of FIG. 2;
FIG. 6 is an enlarged view of the mounting mechanism of FIG. 2 in accordance with the present invention;
FIG. 7 is an enlarged view of FIG. 6 at D of the present invention;
fig. 8 is a side view of the seal ring of fig. 7 of the present invention.
In the figure: 1. an oil tank; 2. a high pressure pipe; 3. a valve type filter; 4. an electro-hydraulic servo valve body; 5. a filtering mechanism; 6. an installation mechanism; 51. a fixed cylinder; 52. rotating the rod; 53. an elastic band; 54. sealing the disc; 55. an elastic plug; 56. a fixing plate; 57. filtering with a screen; 58. a motor; 59. a threaded rod; 591. moving the plate; 592. a guide bar; 593. a square bar; 594. a first elastic part; 595. a squeegee; 596. a sealing plate; 597. a sealing block; 101. a collecting base; 598. a traction plate; 599. positioning holes; 5991. a cylinder; 5992. a slide bar; 5993. pressing a plate; 5994. a first spring; 5995. positioning a block; 61. mounting the cylinder; 62. a rod is inserted; 63. a guide plate; 64. a second elastic part; 65. a seal ring; 66. sealing the sheet; 67. a connecting rod; 68. guiding a ball; 69. a second spring.
Detailed description of the preferred embodiments
As shown in fig. 1 to 8, the following technical solutions are adopted in the specific embodiments:
examples
The utility model provides an electro-hydraulic servo valve's fluid filter equipment, includes oil tank 1, high-voltage tube 2, valve formula filter 3, electro-hydraulic servo valve body 4, fixedly connected with high-voltage tube 2 in the oil tank 1, the outside slip of high-voltage tube 2 is cup jointed valve formula filter 3, is provided with electro-hydraulic servo valve body 4 on the valve formula filter 3, is provided with filter mechanism 5 on the oil tank 1, is provided with installation mechanism 6 on high-voltage tube 2 and the valve formula filter 3 jointly.
Wherein, filtering mechanism 5 includes a fixed section of thick bamboo 51, a fixed section of thick bamboo 51 fixed mounting is on oil tank 1, install dwang 52 through the bearing in the fixed section of thick bamboo 51, be provided with elastic webbing 53 on the dwang 52, elastic webbing 53's the other end and fixed section of thick bamboo 51 bond, fixedly connected with sealed dish 54 on the dwang 52, sealed dish 54 and oil tank 1 contact, fixedly connected with elasticity end cap 55 on the sealed dish 54, elasticity end cap 55 and oil tank 1 sliding connection, through elasticity end cap 55, the setting of sealed dish 54 isotructure, can carry out sealing process to the inlet on the oil tank 1.
The oil tank 1 is fixedly connected with a fixed plate 56, the fixed plate 56 is fixedly connected with a filter screen 57, the oil tank 1 is fixedly provided with a motor 58, an output shaft of the motor 58 is rotatably connected with the oil tank 1, an output shaft of the motor 58 is fixedly connected with a threaded rod 59, the threaded rod 59 is rotatably connected with the oil tank 1, the outer side of the threaded rod 59 is connected with a movable plate 591 through threads, the oil tank 1 is fixedly connected with a guide rod 592, the guide rod 592 is slidably connected with the movable plate 591, a square rod 593 is slidably connected with the movable plate 591, an elastic member 594 is bonded on the square rod 593, the other end of the elastic member 594 is bonded with the movable plate 591, a scraper 595 is fixedly connected on the square rod 593, the scraper 595 is slidably connected with the fixed plate 56, and through the arrangement of the structures such as the motor 58, the threaded rod 59 and the guide rod 592, the scraper 595 can be pushed to move, and impurities attached to the filter screen 57 can be cleaned.
The oil tank 1 is contacted with a sealing plate 596, the sealing plate 596 is fixedly connected with a sealing block 597, the sealing block 597 is connected with the oil tank 1 in a sliding mode, the oil tank 1 is fixedly connected with a collecting seat 101, the collecting seat 101 is contacted with the sealing plate 596, the sealing plate 596 is fixedly connected with a traction plate 598, the traction plate 598 is connected with the collecting seat 101 in a sliding mode, a positioning hole 599 is formed in the collecting seat 101, an air cylinder 5991 is fixedly installed on the collecting seat 101, the telescopic end of the air cylinder 5991 is connected with the collecting seat 101 in a sliding mode, the telescopic end of the air cylinder 5991 is fixedly connected with the traction plate 598, a sliding rod 5992 is fixedly connected in the traction plate 598, a pressing plate 5993 is sleeved on the outer side of the sliding rod 5992 in a sliding mode, the pressing plate 5993 is connected with the traction plate 598 in a sliding mode, a first spring 5994 is arranged on the outer side of the sliding rod 5992, a positioning block 5995 is fixedly connected on the pressing plate 5993, the positioning block 5995 is connected with the positioning hole 599 in a sliding mode, the sealing plate 599 is connected with the positioning hole 599, the sealing plate 596 can be opened and closed through the arrangement of the structures such as the traction plate 5991 and the traction plate 598.
Wherein, the locating hole 599 is provided with two, and two locating holes 599 evenly distributed are on collecting seat 101, through the setting of locating hole 599, are convenient for cooperate locating piece 5995 to carry out the joint and use.
One end of the first spring 5994 is welded to the pressing plate 5993, the other end of the first spring 5994 is welded to the pulling plate 598, and the pulling plate 598 can be connected and used through the arrangement of the first spring 5994.
Wherein, installation mechanism 6 includes installation section of thick bamboo 61, installation section of thick bamboo 61 fixed mounting is on valve filter 3, sliding connection has inserted bar 62 in installation section of thick bamboo 61, inserted bar 62 and valve filter 3 sliding connection, inserted bar 62 and high-pressure tube 2 sliding connection, fixedly connected with guide plate 63 in the installation section of thick bamboo 61, guide plate 63 and inserted bar 62 sliding connection, it has two 64 elastic components to bond on the guide plate 63, the other end and the inserted bar 62 bonding of two 64 elastic components, through the setting of structures such as inserted bar 62, two 64 elastic components, can peg graft spacing to high-pressure tube 2.
Wherein, fixedly connected with sealing washer 65 in the valve formula filter 3, the last contact of high-pressure line 2 has four sealing pieces 66, four sealing piece 66 mutual contacts, sealing piece 66 and sealing washer 65 contact, fixedly connected with connecting rod 67 on the sealing piece 66, connecting rod 67 and high-pressure line 2 sliding connection, fixedly connected with guide ball 68 on the connecting rod 67, guide ball 68 and high-pressure line 2 sliding connection, the welding has second spring 69 on the guide ball 68, the other end and the high-pressure line 2 welding of second spring 69, through sealing piece 66, the setting of structures such as sealing washer 65, can guarantee the installation leakproofness of high-pressure line 2.
The using state of the invention is as follows: when the installation device is used, the inserting rod 62 can be pulled to move towards the direction far away from the installation cylinder 61, so that the inserting rod 62 slides along the surface of the guide plate 63, the second elastic piece 64 is stressed and deformed, then the valve type filter 3 is pushed to be sleeved on the high-pressure pipe 2, the second elastic piece 64 is released to restore the deformation so as to push the inserting rod 62 to be inserted into the high-pressure pipe 2, and the high-pressure pipe 2 and the valve type filter 3 are quickly installed and used, in the process, the sealing ring 65 extrudes the sealing sheet 66, the sealing sheet 66 is stressed to slide along the inner wall of the sealing ring 65, the connecting rod 67 is pushed to move, the guide ball 68 is further pushed to slide along the inner wall of the high-pressure pipe 2, the second spring 69 is stressed and deformed, finally the sealing sheet 66 is in surface contact with the high-pressure pipe 2, the four sealing sheets 66 are in mutual contact, and the installation sealing performance between the high-pressure pipe 2 and the valve type filter 3 is ensured under the effects of the sealing sheets 65 and the sealing sheets 66;
then the sealing disc 54 is pushed to rotate to drive the rotating rod 52 to rotate, the elastic belt 53 is stressed to deform, in the process, the sealing disc 54 is stressed to drive the elastic plug 55 to move, under the extrusion action of an oil inlet on the oil tank 1, the elastic plug 55 deforms and finally breaks away from the oil inlet, oil can be poured into the oil tank 1 through the oil inlet, impurities in the oil can be filtered under the action of the filter screen 57, when the filter screen 57 is rich in the attached impurities, the air cylinder 5991 is started to pull the compression plate 598 to move to drive the sealing plate 596 to move, the sealing block 597 is further driven to break away from the oil tank 1, a slag discharge port on the oil tank 1 is opened, in the process, the positioning hole 599 is stressed to extrude the positioning block 5995, the positioning block 5995 is forced to drive the compression plate 5993 to slide along the surface of the sliding rod 5992, the first spring 3238 is stressed to deform, the positioning block 5995 is finally made to break away from the positioning hole 599, the positioning block 5995 slides along the inner wall of the collecting seat 101 under the force, when the positioning block 5995 slides into a lower positioning hole 329, the first spring 3262 is pushed to control the positioning block 598 to accurately deform, and then the positioning block 598 to control the positioning block 598 to accurately position limit 598;
the threaded rod 59 is driven to rotate by the starting motor 58, the movable plate 591 is pushed to move under the threaded connection relationship, the movable plate 591 is stressed to slide along the surface of the guide rod 592, the moving stability of the movable plate 591 is further guaranteed, the movable plate 591 is stressed to drive the square rod 593 to move, the scraper 595 is driven to slide along the surface of the fixed plate 56, the scraper 595 slides along the surface of the filter screen 57, impurities attached to the filter screen 57 are cleaned, when the square rod 593 is stressed to move, the elastic piece 594 can be pushed to deform, under the deformation action of the elastic piece 594, the scraper 595 can be pushed to be in contact with the filter screen 57 all the time, the problem that the filter screen 57 is difficult to clean after the scraper 595 is abraded is solved, under the sliding action of the scraper 595, the impurities can be pushed out of the oil tank 1, the impurities fall into the collecting base 101, and cleaning of follow-up operators is facilitated.

Claims (8)

1. The utility model provides an electro-hydraulic servo valve's fluid filter equipment, includes oil tank (1), high-pressure line (2), valve formula filter (3), electro-hydraulic servo valve body (4), its characterized in that: the oil tank is characterized in that a high-pressure pipe (2) is fixedly connected in the oil tank (1), a valve type filter (3) is sleeved on the outer side of the high-pressure pipe (2) in a sliding mode, an electro-hydraulic servo valve body (4) is arranged on the valve type filter (3), a filtering mechanism (5) is arranged on the oil tank (1), and an installation mechanism (6) is arranged on the high-pressure pipe (2) and the valve type filter (3) together.
2. The oil filter device of an electro-hydraulic servo valve according to claim 1, wherein: filter mechanism (5) are including solid fixed cylinder (51), gu fixed cylinder (51) fixed mounting is on oil tank (1), dwang (52) are installed through the bearing in solid fixed cylinder (51), be provided with elastic webbing (53) on dwang (52), the other end and solid fixed cylinder (51) of elastic webbing (53) bond, fixedly connected with sealed dish (54) on dwang (52), sealed dish (54) and oil tank (1) contact, fixed connection elasticity end cap (55) on sealed dish (54), elasticity end cap (55) and oil tank (1) sliding connection.
3. The oil filter device of an electro-hydraulic servo valve according to claim 2, wherein: the oil tank is characterized in that a fixing plate (56) is fixedly connected to the inside of the oil tank (1), a filter screen (57) is fixedly connected to the inside of the fixing plate (56), a motor (58) is fixedly mounted on the oil tank (1), an output shaft of the motor (58) is rotatably connected with the oil tank (1), a threaded rod (59) is fixedly connected to the output shaft of the motor (58), the threaded rod (59) is rotatably connected with the oil tank (1), a moving plate (591) is connected to the outer side of the threaded rod (59) through threads, a guide rod (592) is fixedly connected to the inside of the oil tank (1), the guide rod (592) is slidably connected with a moving plate (591), a square rod (593) is slidably connected to the moving plate (591), a first elastic part (594) is bonded to the square rod (593), the other end of the first elastic part (594) is bonded to the moving plate (591), a scraper (595) is fixedly connected to the square rod (593), and the scraper (595) is slidably connected with the fixing plate (56).
4. An oil filter device of an electro-hydraulic servo valve according to claim 2, wherein: the oil tank is connected with a sealing plate (596) in a contacting mode, the sealing plate (596) is connected with a sealing block (597) in a fixedly connected mode, the sealing block (597) is connected with the oil tank (1) in a sliding mode, the oil tank (1) is connected with a collecting seat (101) in a fixedly connected mode, the collecting seat (101) is connected with the sealing plate (596) in a contacting mode, the sealing plate (596) is connected with a traction plate (598) in a fixedly connected mode, the traction plate (598) is connected with the collecting seat (101) in a sliding mode, a positioning hole (599) is formed in the collecting seat (101), a cylinder (5991) is fixedly installed on the collecting seat (101), the telescopic end of the cylinder (5991) is connected with the collecting seat (101) in a sliding mode, the telescopic end of the cylinder (5991) is connected with the traction plate (598) in a sliding mode, a sliding rod (5992) is connected in the traction plate (598) in a fixedly connected mode, a sliding plate (5992) in the outer side of the sliding mode is sleeved with a pressing plate (5993) is connected with a pressing plate (5993) in a sliding mode, the pressing plate (5993) and the sliding plate (598) is connected with the sliding connection of the sliding plate (598), a first spring (5994), the positioning block 5995) is connected with the positioning block 5995) in a 5995 in a sliding mode, and 5995) is connected with the positioning block 5995.
5. The oil filter device of an electro-hydraulic servo valve according to claim 4, wherein: the number of the positioning holes (599) is two, and the two positioning holes (599) are uniformly distributed on the collecting seat (101).
6. The oil filter device of an electro-hydraulic servo valve according to claim 4, wherein: one end of the first spring (5994) is welded with the pressure plate (5993), and the other end of the first spring (5994) is welded with the traction plate (598).
7. An oil filter device of an electro-hydraulic servo valve according to claim 5, wherein: the installation mechanism (6) comprises an installation barrel (61), the installation barrel (61) is fixedly installed on the valve type filter (3), an inserted rod (62) is connected to the installation barrel (61) in a sliding mode, the inserted rod (62) is connected with the valve type filter (3) in a sliding mode, the inserted rod (62) is connected with the high-pressure pipe (2) in a sliding mode, a guide plate (63) is fixedly connected to the installation barrel (61) in the sliding mode, the guide plate (63) is connected with the inserted rod (62) in a sliding mode, a second elastic part (64) is bonded to the guide plate (63), and the other end of the second elastic part (64) is bonded to the inserted rod (62).
8. The oil filter device of an electro-hydraulic servo valve according to claim 7, wherein: fixedly connected with sealing washer (65) in valve formula filter (3), the contact has four gasket (66) on high-pressure line (2), four gasket (66) contact each other, gasket (66) and sealing washer (65) contact, fixedly connected with connecting rod (67) on gasket (66), connecting rod (67) and high-pressure line (2) sliding connection, fixedly connected with guide ball (68) on connecting rod (67), guide ball (68) and high-pressure line (2) sliding connection, the welding has second spring (69) on guide ball (68), the other end and the high-pressure line (2) welding of second spring (69).
CN202310128775.6A 2023-02-17 2023-02-17 Fluid filter equipment of electrohydraulic servo valve Active CN115875347B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310128775.6A CN115875347B (en) 2023-02-17 2023-02-17 Fluid filter equipment of electrohydraulic servo valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310128775.6A CN115875347B (en) 2023-02-17 2023-02-17 Fluid filter equipment of electrohydraulic servo valve

Publications (2)

Publication Number Publication Date
CN115875347A true CN115875347A (en) 2023-03-31
CN115875347B CN115875347B (en) 2023-05-12

Family

ID=85761243

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310128775.6A Active CN115875347B (en) 2023-02-17 2023-02-17 Fluid filter equipment of electrohydraulic servo valve

Country Status (1)

Country Link
CN (1) CN115875347B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117128216A (en) * 2023-10-27 2023-11-28 广州唯友斯工程机械配件有限公司 Waste oil recovery device of port portal crane rotating device
CN118987764A (en) * 2024-10-22 2024-11-22 呼伦贝尔安泰热电有限责任公司海拉尔热电厂 Jacking component and oil purifying device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB640727A (en) * 1947-08-21 1950-07-26 Brockhouse Engineering Southpo Improvements in or relating to hydraulic transmission apparatus
CN104454692A (en) * 2014-11-27 2015-03-25 贵州精立航太科技有限公司 Hydraulic system for thread roller
CN106075972A (en) * 2016-07-29 2016-11-09 天津市欣跃涂料有限公司 A kind of defecator
CN106377938A (en) * 2016-11-26 2017-02-08 南京途酷信息科技有限公司 Waste liquid filtering device
CN108704371A (en) * 2018-05-30 2018-10-26 章帆 A kind of water conservancy irrigation filter
CN108953303A (en) * 2018-09-04 2018-12-07 新乡思诚净化设备有限公司 The coarse-fine integrated filter of hydraulic station
CN110529447A (en) * 2019-09-06 2019-12-03 烟台中宇航空液压有限公司 The oil filtering device of electrohydraulic servo valve
US20200009483A1 (en) * 2017-05-09 2020-01-09 Fsp Fluid Systems Partners Holding Ag End plate, filter element, filter system and method for filtering liquid
CN114225498A (en) * 2021-12-22 2022-03-25 宿州市耶伊勒精密机械有限公司 Impurity filtering device for oil tank of numerical control machine tool

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB640727A (en) * 1947-08-21 1950-07-26 Brockhouse Engineering Southpo Improvements in or relating to hydraulic transmission apparatus
CN104454692A (en) * 2014-11-27 2015-03-25 贵州精立航太科技有限公司 Hydraulic system for thread roller
CN106075972A (en) * 2016-07-29 2016-11-09 天津市欣跃涂料有限公司 A kind of defecator
CN106377938A (en) * 2016-11-26 2017-02-08 南京途酷信息科技有限公司 Waste liquid filtering device
US20200009483A1 (en) * 2017-05-09 2020-01-09 Fsp Fluid Systems Partners Holding Ag End plate, filter element, filter system and method for filtering liquid
CN108704371A (en) * 2018-05-30 2018-10-26 章帆 A kind of water conservancy irrigation filter
CN108953303A (en) * 2018-09-04 2018-12-07 新乡思诚净化设备有限公司 The coarse-fine integrated filter of hydraulic station
CN110529447A (en) * 2019-09-06 2019-12-03 烟台中宇航空液压有限公司 The oil filtering device of electrohydraulic servo valve
CN114225498A (en) * 2021-12-22 2022-03-25 宿州市耶伊勒精密机械有限公司 Impurity filtering device for oil tank of numerical control machine tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117128216A (en) * 2023-10-27 2023-11-28 广州唯友斯工程机械配件有限公司 Waste oil recovery device of port portal crane rotating device
CN117128216B (en) * 2023-10-27 2023-12-19 广州唯友斯工程机械配件有限公司 Waste oil recovery device of port portal crane rotating device
CN118987764A (en) * 2024-10-22 2024-11-22 呼伦贝尔安泰热电有限责任公司海拉尔热电厂 Jacking component and oil purifying device

Also Published As

Publication number Publication date
CN115875347B (en) 2023-05-12

Similar Documents

Publication Publication Date Title
CN115875347A (en) Oil liquid filtering device of electro-hydraulic servo valve
CN114344974A (en) Sludge filter press for sewage treatment
CN221322704U (en) Novel gear pump
CN220609513U (en) Filter cloth cleaning equipment for filter pressing equipment
CN117704627A (en) Filtering device for air conditioner external unit
CN110553068B (en) Pressure reducing valve
CN115199837A (en) Energy-saving pump truck structure for flood control based on multiple sealing device
CN219606014U (en) Sealing device for stamping equipment
CN222605564U (en) Bag filter with compress tightly seal structure
CN113813679A (en) Solid-liquid separation device based on sewage treatment
CN222159850U (en) A water body eDNA collection and filtration device
CN217688327U (en) Real-time on-line monitoring device for hydraulic metal structure equipment
CN117967960B (en) Engine oil filter bypass valve structure
CN217698449U (en) Cleaning device for filter
CN215807159U (en) High-sealing-performance air outlet pipe joint
CN221003837U (en) Novel pneumatic gate valve of high reliability
CN117515169B (en) Double-acting throttle stop valve sealing structure and valve
CN221442945U (en) Submersible sewage pump convenient to install
CN222702106U (en) Reciprocating vacuum pump with dust removal function
CN213180896U (en) Sewage sampling storage device
CN222132348U (en) Spray pipe with anti-blocking function
CN221780046U (en) A self-cleaning ball valve
CN219580000U (en) Automobile-used urea liquid impurity filter equipment
CN220487950U (en) Self priming pump with filtering capability
CN218956175U (en) Wind turbine generator system gear box lubricating oil on-line monitoring device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant