CN112228420A - Hydraulic block with hydraulic structural element - Google Patents

Hydraulic block with hydraulic structural element Download PDF

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Publication number
CN112228420A
CN112228420A CN202011101087.3A CN202011101087A CN112228420A CN 112228420 A CN112228420 A CN 112228420A CN 202011101087 A CN202011101087 A CN 202011101087A CN 112228420 A CN112228420 A CN 112228420A
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CN
China
Prior art keywords
hydraulic
hydraulic block
block
clamping
sealing
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
CN202011101087.3A
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Chinese (zh)
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CN112228420B (en
Inventor
柴爱萍
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Henan Hengchuang Precision Manufacturing Co ltd
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Individual
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Priority to CN202011101087.3A priority Critical patent/CN112228420B/en
Publication of CN112228420A publication Critical patent/CN112228420A/en
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Publication of CN112228420B publication Critical patent/CN112228420B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/021Valves for interconnecting the fluid chambers of an actuator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/02Sealings between relatively-stationary surfaces
    • F16J15/06Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/02Sealings between relatively-stationary surfaces
    • F16J15/06Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/062Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces characterised by the geometry of the seat

Abstract

The invention discloses a hydraulic block with a hydraulic structural element, which relates to the technical field of hydraulic blocks and comprises a hydraulic block, the hydraulic structural element and a sealing element, wherein the upper surface of the hydraulic block is provided with a mounting groove and an annular sealing groove, two side surfaces of the hydraulic block are respectively provided with a limiting piece, the limiting pieces penetrate through the hydraulic block and extend into the mounting groove, the hydraulic structural element is fixedly connected with a clamping piece, the hydraulic structural element is placed in the mounting groove on the upper surface of the hydraulic block, the limiting pieces are inserted into the clamping pieces in a penetrating manner, the hydraulic structural element is fixed in the mounting groove on the upper surface of the hydraulic block through the clamping pieces and the limiting pieces, and the sealing element is fixedly connected to the hydraulic structural element. Can be replaced independently without integral replacement, thereby greatly reducing the maintenance cost.

Description

Hydraulic block with hydraulic structural element
Technical Field
The invention relates to the technical field of hydraulic blocks, in particular to a hydraulic block with a hydraulic structural element.
Background
The hydraulic pressure is used for an antiskid control portion of a vehicle hydraulic brake device, not shown, and the hydraulic block 1 is provided for an antiskid control portion of a vehicle hydraulic brake device, not shown. Such slip control systems are, for example, anti-lock control systems, drive slip control systems, driving dynamics control systems and electronic stability program systems, which are often referred to as ABS, ASR, FDR and ESP for short. The latter two adjustment systems are also referred to in colloquial as anti-sideslip adjustment systems, the hydraulic block being a square member constructed of metal (typically aluminum or an aluminum alloy) that is approximately square in appearance or has a thickness of one quarter to one third of the width or length. The hydraulic block has cylindrical blind bores with stepped diameters as receptacles for hydraulic components, such as solenoid valves, pressure sensors or piston pumps as hydraulic pumps.
The patent discloses a hydraulic block with a hydraulic structural element (publication number: CN107539299A), which realizes a thinner hydraulic block and enables the hydraulic block with an electromagnetic valve to have a lower structural height, but in the actual use process, the electromagnetic valve or the hydraulic block formed by the hydraulic structural element is easy to damage in the long-term use process and needs to be overhauled or replaced, and the electromagnetic valve formed by the hydraulic structural element is fixedly connected with the hydraulic block by welding, so that the electromagnetic valve is not convenient to disassemble and overhaul during overhauling, and when one of the hydraulic structural element and the hydraulic block needs to be replaced when damaged, the whole hydraulic block needs to be replaced, and the maintenance cost is greatly increased.
Disclosure of Invention
The object of the present invention is to provide a hydraulic block with hydraulic components to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a hydraulic pressure piece with hydraulic structure component, includes hydraulic pressure piece, hydraulic structure component and sealing member, and mounting groove and ring seal groove have been seted up to the upper surface of hydraulic pressure piece, and the locating part is all installed to the both sides face of hydraulic pressure piece, and the locating part runs through the hydraulic pressure piece and extends to in the mounting groove, and hydraulic structure component fixed connection is connected with the fastener, and hydraulic structure component place in the mounting groove of hydraulic pressure piece upper surface, the locating part runs through insert in the fastener, hydraulic structure component through fastener and locating part be fixed in with in the mounting groove of hydraulic pressure piece upper surface, sealing member fixed connection in on the hydraulic structure component, and the sealing member run through insert in the ring seal groove of hydraulic pressure piece upper surface.
As a further scheme of the invention: the hydraulic structure element comprises a coil shell, a columnar pole shoe, a valve shell, a coil carrier, a coil and an armature, the lower end of the valve shell is arranged in the mounting groove, the armature is mounted at the inner bottom of the valve shell, the columnar pole shoe is mounted at the top of the valve shell, the coil shell is fixedly sleeved on the side face of the valve shell, the matched coil carrier is mounted in the coil shell, and the coil is mounted in the coil carrier.
As a further scheme of the invention: the locating part is including drawing piece, kelly, baffle, spout, slide and spring, the spout has all been seted up to the both sides face of hydraulic pressure piece, and the equal fixedly connected with of both sides face and spout assorted baffle of hydraulic pressure piece are provided with the kelly in the spout, and fixed cover is equipped with spout assorted slide on the kelly, still overlaps on the kelly to be equipped with the assorted spring, and the one end of kelly runs through baffle and fixedly connected with and draws the piece, and the other end of kelly runs through in the hydraulic pressure piece extends to the mounting groove.
As a further scheme of the invention: the clamping piece comprises a clamping ring and clamping grooves, the clamping ring is fixedly sleeved on a valve shell of the hydraulic structural element, the side faces of the clamping ring are provided with the two clamping grooves which are symmetrically arranged, and the two clamping rods penetrate through one end of the hydraulic block and extend into the mounting groove and are respectively inserted into the two clamping grooves.
As a further scheme of the invention: the sealing member includes sealing ring, annular and sealing washer, the fixed cover of sealing ring is located on the valve casing of hydraulic structure component, and the annular has been seted up to the lower surface of sealing ring, and fixedly connected with assorted sealing washer in the annular, sealing washer run through and insert in the ring seal groove.
As a further scheme of the invention: the upper surface and the lower surface of spout have all been seted up the spacing groove, the equal fixedly connected with of upper surface and the lower surface of slide and spacing groove assorted spacing slider, and spacing slider runs through to insert in adjacent spacing inslot.
As a further scheme of the invention: and both side surfaces of the hydraulic block are provided with drill holes.
Compared with the prior art, the invention has the beneficial effects that:
1. when the invention needs to be overhauled or replaced, the pulling block is pulled to drive the clamping rod to slide outwards, the clamping rod slides outwards to drive the sliding plate to slide in the sliding groove, the spring is extruded, meanwhile, the clamping rod slides outwards to enable one end of the clamping rod inserted in the clamping groove on the side surface of the clamping ring to be drawn out from the clamping groove, so that the valve shell of the hydraulic structural element can be drawn out upwards from the mounting groove, the hydraulic structural element and the hydraulic block are detached and separated, when the hydraulic structural element and the hydraulic block are installed, the valve shell of the hydraulic structural element is inserted in the mounting groove, the pulling block is loosened, the sliding plate is pushed by the elasticity of the spring to slide, the sliding of the sliding plate drives the clamping rod to horizontally move, the clamping rod is inserted in the clamping groove of the clamping ring, so that the hydraulic structural element and the hydraulic block can be conveniently and quickly detached and assembled and installed, the overhauling is convenient, and when one, can be replaced independently without integral replacement, thereby greatly reducing the maintenance cost.
2. The sealing ring disclosed by the invention tightly props against the inner bottom of the annular sealing groove, and the sealing ring props against the inner bottom of the annular sealing groove for sealing, so that the sealing ring has a better sealing effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
fig. 4 is an enlarged schematic structural view at B in fig. 2.
In the figure: 1. a hydraulic block; 2. a seal member; 21. a seal ring; 22. a ring groove; 23. a seal ring; 3. drilling; 4. a hydraulic structural element; 41. a coil housing; 42. a columnar pole shoe; 43. a valve housing; 44. a coil carrier; 45. a coil; 46. an armature; 5. a limiting member; 51. pulling the block; 52. a clamping rod; 53. a baffle plate; 54. a chute; 55. a slide plate; 56. a spring; 6. a fastener; 61. clamping a ring; 62. a card slot; 7. an annular seal groove; 8. a limiting slide block; 9. a limiting groove; 10. and (4) mounting the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, in the embodiment of the present invention, a hydraulic block having a hydraulic structural element, the hydraulic block 1, the hydraulic structural element 4 and a sealing element 2, an installation groove 10 and an annular sealing groove 7 are formed on an upper surface of the hydraulic block 1, drill holes 3 (which are convenient for connection with other hydraulic circuits) are formed on both side surfaces of the hydraulic block 1, limiting members 5 are mounted on both side surfaces of the hydraulic block 1, the limiting members 5 penetrate through the hydraulic block 1 and extend into the installation groove 10, each limiting member 5 includes a pull block 51, a clamping rod 52, a baffle 53, a sliding groove 54, a sliding plate 55 and a spring 56, sliding grooves 54 are formed on both side surfaces of the hydraulic block 1, the baffle 53 matching with the sliding groove 54 is fixedly connected to both side surfaces of the hydraulic block 1, a clamping rod 52 is disposed in the sliding groove 54, a sliding plate 55 matching with the sliding groove 54 is fixedly sleeved on the clamping, one end of kelly 52 runs through baffle 53 and fixedly connected with draws piece 51, the other end of kelly 52 runs through in hydraulic block 1 extends to mounting groove 10, hydraulic structure component 4 fixed connection is connected with fastener 6, hydraulic structure component 4 is placed in the mounting groove 10 of hydraulic block 1 upper surface, locating part 5 runs through and inserts in fastener 6, hydraulic structure component 4 is fixed in the mounting groove 10 with hydraulic block 1 upper surface through fastener 6 and locating part 5 in, sealing member 2 fixed connection is on hydraulic structure component 4, and sealing member 2 runs through and inserts in the annular seal groove 7 of hydraulic block 1 upper surface.
The hydraulic structural element 4 comprises a coil housing 41, a cylindrical pole shoe 42, a valve housing 43, a coil carrier 44, a coil 45 and an armature 46, the lower end of the valve housing 43 is arranged in the mounting groove 10, the armature 46 is arranged at the inner bottom of the valve housing 43, the cylindrical pole shoe 42 is arranged at the top of the valve housing 43, the coil housing 41 is fixedly sleeved on the side surface of the valve housing 43, the coil carrier 44 matched with the coil housing 41 is arranged in the coil housing 41, the coil 45 is arranged in the coil carrier 44, the hydraulic structural element 4 is an electromagnetic valve, the engaging member 6 is fixedly connected to the hydraulic structural element 4, the engaging member 6 includes an engaging ring 61 and two engaging grooves 62, the engaging ring 61 is fixedly sleeved on the valve housing 43 of the hydraulic structural element 4, two symmetrically disposed engaging grooves 62 are disposed on a side surface of the engaging ring 61, and two engaging rods 52 penetrate through the hydraulic block 1 and extend into the mounting groove 10, and one ends of the two engaging rods extend into the two engaging grooves 62 respectively.
In the long-term use process, when the maintenance or replacement is needed, the pulling block 51 is pulled, the pulling block 51 drives the clamping rod 52 to slide outwards, the clamping rod 52 slides outwards to drive the sliding plate 55 to slide in the sliding groove 54, the spring 56 is extruded, meanwhile, the clamping rod 52 slides outwards to enable one end of the clamping rod 52, which is inserted in the clamping groove 62 on the side surface of the clamping ring 61, to be drawn out from the clamping groove 62, so that the valve shell 43 of the hydraulic structural element 4 can be drawn out upwards from the mounting groove 10, the hydraulic structural element 4 is detached and separated from the hydraulic block 1, during the installation, the valve shell 43 of the hydraulic structural element 4 is inserted in the mounting groove 10, the pulling block 51 is released, the sliding plate 55 is pushed by the elasticity of the spring 56 to slide, the sliding plate 55 drives the horizontal movement of the clamping rod 52, the clamping rod 52 is inserted in the clamping groove 62 of the clamping ring 61, and the hydraulic structural element 4 and the hydraulic block can be, not only is convenient to overhaul, but also can be independently replaced when one of the hydraulic structural element 4 and the hydraulic block 1 is damaged without being integrally replaced, thereby greatly reducing the overhaul cost,
wherein, the spacing groove 9 has all been seted up to the upper surface and the lower surface of spout 54, the equal fixedly connected with of upper surface and the lower surface of slide 55 and spacing groove 9 assorted limiting slide block 8, and limiting slide block 8 runs through to be inserted in adjacent limiting groove 9, and kelly 52 is removing, drives limiting slide block 8 and slides in spacing groove 9, starts limiting displacement to make kelly 52 more steady when removing.
Referring to fig. 1, 2 and 3, the sealing element 2 includes a sealing ring 21, a ring groove 22 and a sealing ring 23, the sealing ring 21 is fixedly sleeved on a valve housing 43 of the hydraulic structural element 4, the ring groove 22 is formed on the lower surface of the sealing ring 21, the matching sealing ring 23 is fixedly connected in the ring groove 22, and the sealing ring 23 is inserted in the ring-shaped sealing groove 7.
The sealing ring 23 tightly props against the inner bottom of the annular sealing groove 7, and the sealing ring 23 props against the inner bottom of the annular sealing groove 7 for sealing, so that the sealing ring has a good sealing effect.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention, and in the present invention, unless otherwise explicitly specified or limited, the terms "disposed", "mounted", "connected", and "fixed" and the like should be broadly construed, and for example, may be fixedly connected, detachably connected, or integrated; the two components can be mechanically connected, directly connected or indirectly connected through an intermediate medium, and can be communicated with each other inside the two components or the interaction relationship of the two components, and the specific meaning of the terms in the invention can be understood according to specific situations by a person skilled in the art.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. A hydraulic block having a hydraulic structural element, comprising:
the hydraulic block comprises a hydraulic block (1), wherein the upper surface of the hydraulic block (1) is provided with a mounting groove (10) and an annular sealing groove (7), two side surfaces of the hydraulic block (1) are respectively provided with a limiting piece (5), and the limiting pieces (5) penetrate through the hydraulic block (1) and extend to the mounting groove (10);
the hydraulic structure element (4) is fixedly connected with a clamping piece (6), the hydraulic structure element (4) is placed in a mounting groove (10) in the upper surface of the hydraulic block (1), a limiting piece (5) is inserted into the clamping piece (6) in a penetrating manner, and the hydraulic structure element (4) is fixed in the mounting groove (10) in the upper surface of the hydraulic block (1) through the clamping piece (6) and the limiting piece (5);
and the sealing element (2), the sealing element (2) is fixedly connected to the hydraulic structural element (4), and the sealing element (2) is inserted into the annular sealing groove (7) on the upper surface of the hydraulic block (1).
2. A hydraulic block with hydraulic structural elements according to claim 1, characterized in that: hydraulic structure component (4) include coil housing (41), column pole shoe (42), valve casing (43), coil carrier (44), coil (45) and armature (46), the lower extreme of valve casing (43) sets up in mounting groove (10), armature (46) are installed to the interior bottom of valve casing (43), column pole shoe (42) are installed at the top of valve casing (43), the fixed cover in side of valve casing (43) is equipped with coil housing (41), install assorted coil carrier (44) in coil housing (41), install coil (45) in coil carrier (44).
3. A hydraulic block with hydraulic structural elements according to claim 1, characterized in that: locating part (5) is including drawing piece (51), kelly (52), baffle (53), spout (54), slide (55) and spring (56), spout (54) have all been seted up to the both sides face of hydraulic block (1), the equal fixedly connected with of both sides face of hydraulic block (1) and spout (54) assorted baffle (53), be provided with kelly (52) in spout (54), fixed cover is equipped with on kelly (52) with spout (54) assorted slide (55), still the cover is equipped with assorted spring (56) on kelly (52), the one end of kelly (52) runs through baffle (53) and fixedly connected with and draws piece (51), the other end of kelly (52) runs through hydraulic block (1) and extends to in mounting groove (10).
4. A hydraulic block with hydraulic structural elements according to any one of claims 1, 2, 3, characterized in that: the clamping piece (6) comprises a clamping ring (61) and clamping grooves (62), the clamping ring (61) is fixedly sleeved on a valve shell (43) of the hydraulic structural element (4), the side face of the clamping ring (61) is provided with the clamping grooves (62) which are symmetrically arranged, and the two clamping rods (52) penetrate through the hydraulic block (1) and extend into the mounting groove (10), and one ends of the two clamping rods respectively penetrate through the two clamping grooves (62).
5. A hydraulic block with hydraulic structural elements according to any one of claims 1 or 2, characterized in that: sealing member (2) are including sealing ring (21), annular (22) and sealing washer (23), on the valve case (43) of hydraulic structure component (4) was located to sealing ring (21) fixed cover, annular (22) had been seted up to the lower surface of sealing ring (21), and annular (22) internal fixation is connected with assorted sealing washer (23), and sealing washer (23) run through to be inserted in ring seal groove (7).
6. A hydraulic block with hydraulic structural elements according to claim 3, characterized in that: limiting grooves (9) are formed in the upper surface and the lower surface of the sliding groove (54), limiting sliding blocks (8) matched with the limiting grooves (9) are fixedly connected to the upper surface and the lower surface of the sliding plate (55), and the limiting sliding blocks (8) penetrate through and are inserted into the adjacent limiting grooves (9).
7. A hydraulic block with hydraulic structural elements according to claim 1, characterized in that: both side surfaces of the hydraulic block (1) are provided with drill holes (3).
CN202011101087.3A 2020-10-15 2020-10-15 Hydraulic block with hydraulic structural element Active CN112228420B (en)

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Application Number Priority Date Filing Date Title
CN202011101087.3A CN112228420B (en) 2020-10-15 2020-10-15 Hydraulic block with hydraulic structural element

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CN112228420A true CN112228420A (en) 2021-01-15
CN112228420B CN112228420B (en) 2022-07-19

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10281114A (en) * 1997-03-31 1998-10-20 Kayaba Ind Co Ltd Oil heating device
JP2002349797A (en) * 2001-05-23 2002-12-04 Fujikin Inc Fluid control device
CN207363986U (en) * 2017-09-25 2018-05-15 无锡市美泰克精密机械有限公司 A kind of duty valve block combination unit
CN109058203A (en) * 2018-09-20 2018-12-21 合肥合茂电子科技有限公司 A kind of two logical inserted valves being easily installed
CN109441902A (en) * 2018-12-10 2019-03-08 济宁鲁威液压科技股份有限公司 A kind of inserted valve for scrap bundler
CN209340701U (en) * 2018-10-18 2019-09-03 廖仲毅 A kind of inserted valve Quick-mounting joint
CN211305839U (en) * 2019-11-28 2020-08-21 安徽中斯特流体设备有限公司 Valve shell grinding device
CN111577695A (en) * 2020-06-15 2020-08-25 裕泰液压科技(上海)有限公司 Integral plug-in type valve core assembly for guide overflow valve
CN211474560U (en) * 2019-12-10 2020-09-11 沈阳和卿科技有限公司 Liquid seal type valve component
CN211901131U (en) * 2020-02-18 2020-11-10 橡达油压机械(上海)有限公司 Threaded cartridge valve convenient to install

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10281114A (en) * 1997-03-31 1998-10-20 Kayaba Ind Co Ltd Oil heating device
JP2002349797A (en) * 2001-05-23 2002-12-04 Fujikin Inc Fluid control device
CN207363986U (en) * 2017-09-25 2018-05-15 无锡市美泰克精密机械有限公司 A kind of duty valve block combination unit
CN109058203A (en) * 2018-09-20 2018-12-21 合肥合茂电子科技有限公司 A kind of two logical inserted valves being easily installed
CN209340701U (en) * 2018-10-18 2019-09-03 廖仲毅 A kind of inserted valve Quick-mounting joint
CN109441902A (en) * 2018-12-10 2019-03-08 济宁鲁威液压科技股份有限公司 A kind of inserted valve for scrap bundler
CN211305839U (en) * 2019-11-28 2020-08-21 安徽中斯特流体设备有限公司 Valve shell grinding device
CN211474560U (en) * 2019-12-10 2020-09-11 沈阳和卿科技有限公司 Liquid seal type valve component
CN211901131U (en) * 2020-02-18 2020-11-10 橡达油压机械(上海)有限公司 Threaded cartridge valve convenient to install
CN111577695A (en) * 2020-06-15 2020-08-25 裕泰液压科技(上海)有限公司 Integral plug-in type valve core assembly for guide overflow valve

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