CN110553059B - Electromagnetic valve for excavator - Google Patents
Electromagnetic valve for excavator Download PDFInfo
- Publication number
- CN110553059B CN110553059B CN201910888660.0A CN201910888660A CN110553059B CN 110553059 B CN110553059 B CN 110553059B CN 201910888660 A CN201910888660 A CN 201910888660A CN 110553059 B CN110553059 B CN 110553059B
- Authority
- CN
- China
- Prior art keywords
- valve
- sealing
- sleeve
- groove
- cover plate
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 77
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
- E02F9/2267—Valves or distributors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
- F16K11/0712—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides comprising particular spool-valve sealing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
- F16K31/061—Sliding valves
- F16K31/0613—Sliding valves with cylindrical slides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
- F15B2013/0448—Actuation by solenoid and permanent magnet
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention relates to an electromagnetic valve for an excavator, which comprises: the valve body, push rod and case are connected and install in proper order in the valve body, the cover is equipped with the valve pocket on the case, the valve pocket has offered a plurality of layers of water conservancy diversion holes along its appearance trend top-down, the valve pocket is located the circumference of water conservancy diversion hole and has seted up along the seal groove that water conservancy diversion hole trend was arranged, rotatable two apron in the top position of seal groove, two apron can be rotated to on the vertical position with the horizontal plane by top-down in order to seal the seal groove, all offered on each apron along its logical groove that trend was arranged, all can dismantle on the logical groove and be connected with the sealing washer, one side of sealing washer passes logical groove and outwards extends. The sealing ring can be limited by the technical scheme, so that displacement and damage are prevented from occurring, and the sealing performance is good.
Description
Technical Field
The invention relates to the technical field of safety monitoring, in particular to an electromagnetic valve for an excavator.
Background
The excavator is also called an excavator, and is an earthmoving machine which excavates materials higher or lower than a bearing surface by a bucket, loads the materials into a transport vehicle or unloads the materials to a storage yard, the materials excavated by the excavator are mainly soil, coal, silt and soil and rock after pre-loosening, and the development of the excavator is relatively fast in view of the development of engineering machines in recent years, and the excavator has become one of the most important engineering machines in engineering construction.
The electromagnetic valve is an automatic basic element for controlling the excavator, belongs to an actuator, and is not limited to hydraulic and pneumatic. For use in industrial control systems to adjust the direction, flow, velocity and other parameters of the medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured. Solenoid valves are many, and different solenoid valves function at different locations in the control system, most commonly one-way valves, safety valves, directional control valves, speed regulating valves, and the like.
The existing solenoid valve applied to the excavator has the problems of sealing ring displacement, abrasion and the like after being used for a long time, so that the sealing performance is poor, and when the stress is unbalanced, the phenomenon of uneven sealing at each part is easily caused, so that the reaction action is slow, the service life is short, and the working is unreliable.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects in the prior art, the invention aims to provide the electromagnetic valve with good sealing performance for the excavator, which can limit the sealing ring so as to prevent displacement and damage.
In order to achieve the above object, the technical solution of the present invention is:
An electromagnetic valve for an excavator, comprising: the valve body, push rod and case are connected and install in proper order in the valve body, the cover is equipped with the valve pocket on the case, the valve pocket has offered a plurality of layers of water conservancy diversion holes along its appearance trend top-down, the valve pocket is located the circumference of water conservancy diversion hole and has seted up along the seal groove that water conservancy diversion hole trend was arranged, rotatable two apron in the top position of seal groove, two apron can be rotated to on the vertical position with the horizontal plane by top-down in order to seal the seal groove, all offered on each apron along its logical groove that trend was arranged, all can dismantle on the logical groove and be connected with the sealing washer, one side of sealing washer passes logical groove and outwards extends.
Preferably, two ends of the sealing ring arranged on any cover plate are provided with bearing parts, and two ends of the sealing ring arranged on the other cover plate are provided with clamping parts which can be matched with the bearing parts.
Preferably, when the two cover plates rotate to a vertical position with respect to the horizontal plane, a gap is left between two opposite ends of the two cover plates, and the gap is communicated with the sealing groove.
Preferably, the two cover plates are provided with buckles at one ends deviating from the joint of the two cover plates and the valve sleeve, and counter bores corresponding to the buckles are formed in the sealing grooves.
Preferably, the push rod is sleeved with a magnetic conduction sleeve, the periphery of the magnetic conduction sleeve is sleeved with a coil, and the coil generates magnetic force and controls the push rod to drive the valve core to move after being electrified.
Preferably, a housing is also mounted in addition to the coil, the coil being enclosed between the housing and the magnetically permeable sleeve.
Preferably, the top end of the magnetic conduction sleeve is sequentially provided with a nut, a sealing screw and a screw, and the sealing screw is arranged in the nut and fixed through the screw.
Preferably, the valve sleeve is secured to the valve body by a copper sleeve.
Preferably, the cover plate is connected with the sealing groove by a hinge.
Preferably, the receiving portions and the engaging portions of the seal rings on the two cover plates are engaged to form O-shaped seal rings.
Compared with the prior art, the invention has the advantages that:
(1) The apron sets up to two, all installs the sealing washer on every apron, and the sealing washer is installed on the apron its fixed for the position of apron, prevents that the sealing washer from droing or shifting when using and influencing the use of solenoid valve, has seted up logical groove on the apron and has made one side of corresponding sealing washer outwards extend through this logical groove and still can paste with the outside lid and do not influence the result of use of sealing washer, and the apron can top-down rotate until rotate to the perpendicular position with the horizontal plane and with the valve pocket lock to seal the sealing washer to further increase the spacing effect to the sealing washer in the seal groove.
(2) The two ends of one sealing ring are provided with the bearing parts, the two ends of the other sealing ring are provided with the clamping parts, when the two cover plates are rotated to the vertical position with the horizontal plane, the bearing parts and the clamping parts of the two sealing rings can be mutually clamped and fixed, an O-shaped sealing ring is formed between the two sealing rings, when the sealing rings are required to be installed or replaced, a valve sleeve is not required to be detached, other objects can be inserted into gaps between the cover plates, the cover plates are pried and opened, the sealing rings are directly replaced, the whole process is time-saving and labor-saving, and the time cost is greatly saved.
(3) The whole design structure is reasonable and ingenious, and the use is convenient.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
Fig. 2 is a schematic view of the assembled structure of the valve sleeve of the present invention;
FIG. 3 is an enlarged schematic view of the portion B of the present invention;
FIG. 4 is a schematic view of the through slot structure of the cover plate of the present invention;
FIG. 5 is a schematic view of the structure of the receiving portion and the clamping portion of the seal ring of the present invention;
fig. 6 is an enlarged schematic view of the portion a of the present invention.
As shown in the figure:
The valve comprises a valve body 1, a push rod 2, a valve core 3, a valve sleeve 4, a guide hole 5, a seal groove 6, a cover plate 7, a through groove 8, a seal ring 9, a bearing part 10, a clamping part 11, a buckle 12, a counter bore 13, a magnetic conduction sleeve 14, a coil 15, a shell 16, a nut 17, a seal screw 18, a screw 19 and a copper sleeve 20.
Detailed Description
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "horizontal", "vertical", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of description, and are not intended to indicate or imply that the indicated devices or elements must have specific directions and specific direction configurations and operations, and thus should not be construed as limitations of the present invention.
The invention will be described in further detail with reference to the drawings and the specific examples.
As shown in fig. 1 to 4, an electromagnetic valve for an excavator, comprising: the valve body 1, push rod 2 and case 3 are connected and install in proper order in valve body 1, the cover is equipped with valve pocket 4 on the case 3, a plurality of layers of water conservancy diversion holes 5 have been seted up to valve pocket 4 periphery top-down, all water conservancy diversion holes 5 are all arranged along the appearance trend of valve pocket 4, valve pocket 4 is located the circumference of water conservancy diversion hole 5 and has been seted up along water conservancy diversion hole 5 trend arrangement's seal groove 6, rotationally be connected with two apron 7 in the top position of seal groove 6, two apron 7 can rotate to the perpendicular position with the horizontal plane on order to seal groove 6 from top-down, all set up on each apron 7 along its through groove 8 of trend arrangement, all can dismantle on the through groove 8 and be connected with sealing washer 9, one side of sealing washer 9 passes through groove 8 and outwards extends, two sealing washer 9 can be sealed to seal groove 6 when rotating to the perpendicular position with the horizontal plane along with respective apron 7, and sealing washer 9 is located one side outside through groove 8 still can guarantee the leakproofness.
As shown in fig. 5, further, two ends of the sealing ring 9 mounted on any cover plate 7 are provided with receiving parts 10, two ends of the sealing ring 9 mounted on the other cover plate 7 are provided with clamping parts 11 capable of being matched with the receiving parts 10, and when the two cover plates 7 are rotated to the vertical position with the horizontal plane, the receiving parts 10 and the clamping parts 11 of the two sealing rings 8 can be mutually clamped and fixed.
Further, when the two cover plates 7 rotate to a vertical position with respect to the horizontal plane, a gap is left between the two opposite ends of the two cover plates 7, and the gap is communicated with the sealing groove 6.
As shown in fig. 3, further, two cover plates 7 are provided with buckles 12 at one ends facing away from the connection part of the cover plates and the valve sleeve 4, and counter bores 13 corresponding to the buckles 12 are formed in the sealing grooves 6.
In combination with the above, the cover plate 7 is rotated from top to bottom, and the buckle 12 arranged on the cover plate 7 is buckled into the corresponding counter bore 13 on the valve sleeve 4, so that the cover plate 7 is fixed, if the sealing ring 9 is damaged and needs to be replaced, other objects can be inserted into a gap between the two cover plates 7, and the cover plate 7 is pried to be opened, the worn sealing ring 9 can be replaced after the cover plate 7 is opened, the valve sleeve is not required to be disassembled in the process, the replacement process of the sealing ring 9 is greatly simplified, and the time cost is saved.
As shown in fig. 1, further, a coil 15 is sleeved on the periphery of the magnetic conduction sleeve 14, and after the coil 15 is electrified, magnetic force is generated and the push rod 2 is controlled to move along the inner cavity of the valve body 1, and the push rod 2 moves to drive the valve core 3 to synchronously move.
As shown in fig. 1, a housing 16 is further mounted outside the coil 15, the coil 15 is enclosed between the housing 16 and the magnetic conductive sleeve 14, and the housing 16 serves to fix the coil 15 to prevent the coil 15 from falling off and shifting.
As shown in fig. 6, a nut 17, a seal screw 18 and a screw 19 are sequentially mounted on the top end of the magnetic sleeve 14, and the seal screw 18 is mounted in the nut 17 and fixed by the screw 19.
Further, the cover plate 7 is connected with the sealing groove 6 through a hinge, and the hinge connection can realize the rotation of the cover plate 7 to achieve the above effects.
Further, when the two cover plates 7 are rotated to the vertical position with the horizontal plane, the bearing part 10 and the clamping part 11 of the two sealing rings 9 are clamped and fixed to form an O-shaped sealing ring, and the O-shaped sealing ring has the characteristics of proper rebound resilience, mechanical strength, stable performance, difficult swelling in a medium and the like.
With reference to fig. 1 to 6 and the above, the following effects can be obtained by adopting the above structure in the present design: the cover plate 7 is arranged to be two, sealing rings 9 are arranged on each cover plate 7, the sealing rings 9 are arranged on the cover plate 7 and are fixed relative to the positions of the cover plates 7, the sealing rings 9 are prevented from falling off or shifting to affect the use of the electromagnetic valve when in use, through grooves 8 are formed in the cover plates 7, one sides of the corresponding sealing rings 9 can extend outwards through the through grooves 8 and still can be attached to an external cover body without affecting the use effect of the sealing rings, the cover plates 7 can rotate from top to bottom until rotating to the vertical position with the horizontal plane to be buckled with the valve sleeve 4, so that the sealing rings 9 are sealed into the sealing grooves 6 to further increase the limit effect on the sealing rings 9, meanwhile, two ends of one sealing ring 9 are provided with bearing parts 10, two ends of the other sealing ring 9 are provided with clamping parts 11, when the two cover plates 7 are all rotated to the vertical position with the horizontal plane, the bearing parts 10 and the clamping parts 11 of the two sealing rings 9 can be mutually clamped and fixed, O-shaped sealing rings are formed between the two sealing rings 9, when the sealing rings 9 need to be installed or replaced, the valve sleeve 4 is not required to be detached, other objects can be inserted into gaps between the cover plates 7 to be replaced, the sealing rings 7 are required to be replaced, and the whole time and labor are saved, the whole process is saved, and the time is saved.
The foregoing embodiments and description have been provided merely to illustrate the principles and best modes of carrying out the invention, and various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. An electromagnetic valve for an excavator, comprising: the valve comprises a valve body (1), a push rod (2) and a valve core (3), wherein the push rod (2) is connected with the valve core (3) and is sequentially installed in the valve body (1), a valve sleeve (4) is sleeved on the valve core (3), a plurality of layers of flow guide holes (5) are formed in the valve sleeve (4) along the trend of the appearance from top to bottom, a sealing groove (6) which is arranged along the trend of the flow guide holes (5) is formed in the valve sleeve (4) in the circumferential direction of the flow guide holes (5), two cover plates (7) are rotatably connected to the upper position of the sealing groove (6), the two cover plates (7) can rotate to the vertical position with the horizontal plane from top to bottom to seal the sealing groove (6), a through groove (8) which is arranged along the trend of the cover plates is formed in each cover plate (7), a sealing ring (9) is detachably connected to the through groove (8), and one side of the sealing ring (9) penetrates through the through groove (8) and extends outwards; two ends of a sealing ring (9) arranged on any cover plate (7) are provided with bearing parts (10), and two ends of the sealing ring (9) arranged on the other cover plate (7) are provided with clamping parts (11) which can be matched with the bearing parts (10); when the two cover plates (7) rotate to a vertical position with the horizontal plane, a gap is reserved between two opposite ends of the two cover plates (7), and the gap is communicated with the sealing groove (6); one end of each cover plate (7) deviating from the joint of each cover plate and the valve sleeve (4) is provided with a buckle (12), and the sealing groove (6) is provided with a counter bore (13) which can correspond to the buckle (12); the bearing parts (10) and the clamping parts (11) of the sealing rings (9) on the two cover plates (7) are clamped to form O-shaped sealing rings.
2. The electromagnetic valve for the excavator according to claim 1, wherein the push rod (2) is sleeved with a magnetic conduction sleeve (14), a coil (15) is sleeved on the periphery of the magnetic conduction sleeve (14), and the coil (15) generates magnetic force after being electrified and controls the push rod (2) to drive the valve core (3) to move.
3. An electromagnetic valve for a digging machine according to claim 2, characterized in that a housing (16) is also mounted outside the coil (15), the coil (15) being enclosed between the housing (16) and the magnetically conductive sleeve (14).
4. A solenoid valve for a excavator according to claim 3, wherein the top end of the magnetically conductive sleeve (14) is provided with a nut (17), a sealing screw (18) and a screw (19) in sequence, and the sealing screw (18) is mounted in the nut (17) and is fixed by the screw (19).
5. An electromagnetic valve for a excavator according to claim 1, characterised in that the valve sleeve (4) is fixed to the valve body (1) by means of a copper sleeve (20).
6. An electromagnetic valve for an excavator according to claim 1, characterised in that the cover plate (7) is hinged to the sealing groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910888660.0A CN110553059B (en) | 2019-09-19 | 2019-09-19 | Electromagnetic valve for excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910888660.0A CN110553059B (en) | 2019-09-19 | 2019-09-19 | Electromagnetic valve for excavator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110553059A CN110553059A (en) | 2019-12-10 |
| CN110553059B true CN110553059B (en) | 2024-04-19 |
Family
ID=68740861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910888660.0A Active CN110553059B (en) | 2019-09-19 | 2019-09-19 | Electromagnetic valve for excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110553059B (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1545418A (en) * | 1967-11-28 | 1968-11-08 | Angus George Co Ltd | Oil retaining shaft seal |
| US4584163A (en) * | 1984-02-01 | 1986-04-22 | Westinghouse Electric Corp. | Reactor cavity seal ring |
| JPH08121605A (en) * | 1994-10-19 | 1996-05-17 | Shin Caterpillar Mitsubishi Ltd | Seal ring cover |
| US5692544A (en) * | 1995-03-07 | 1997-12-02 | International Pipeline, Inc. | Seal and clamp assembly for pipeline flanged connection |
| JPH11122798A (en) * | 1997-10-15 | 1999-04-30 | Japan Riikomu:Kk | Closure for cable connection |
| JPH11304027A (en) * | 1998-04-21 | 1999-11-05 | Calsonic Corp | Sealing structure of pressure control valve |
| JP2007107655A (en) * | 2005-10-14 | 2007-04-26 | Nippon Valqua Ind Ltd | Gate valve |
| CN202597211U (en) * | 2012-05-02 | 2012-12-12 | 长江武汉航道工程局 | Buckle type dredge pump shaft seal |
| CN203374800U (en) * | 2013-07-11 | 2014-01-01 | 佛山市三水灏诚合成树脂有限公司 | Sealing device of manhole opening of emulsifying kettle |
| CN205190405U (en) * | 2015-12-07 | 2016-04-27 | 浙江华益精密机械股份有限公司 | Cartridge formula solenoid valve |
| US9410630B1 (en) * | 2013-05-06 | 2016-08-09 | Taylor Innovations Llc | Sealing member for use in non-simmering clean service relief valve |
| CN207034332U (en) * | 2017-05-26 | 2018-02-23 | 湖南凯恩利液压机械制造有限公司 | A kind of magnetic valve, hydraulic system and plant equipment |
| CN208057400U (en) * | 2018-04-21 | 2018-11-06 | 盐城派威机械有限公司 | A kind of oil pump anti-oil leakage device |
| CN208651787U (en) * | 2018-07-16 | 2019-03-26 | 天津市明川阀门有限公司 | A kind of valve axis adjustment device of vertical butterfly valve |
| CN208719616U (en) * | 2018-08-28 | 2019-04-09 | 福建省海耀工程管道制造有限责任公司 | A kind of pipe used in mine sealed connecting component |
| CN208885593U (en) * | 2018-09-29 | 2019-05-21 | 无锡市四合电气科技有限公司 | A kind of dust-proof fan speed regulation electricity getting device |
| CN209217538U (en) * | 2018-11-13 | 2019-08-06 | 临沂超越电力建设有限公司 | A kind of sealing device for the installation docking of GIS device dustlessization |
| CN211009989U (en) * | 2019-09-19 | 2020-07-14 | 宁波卓尔液压技术有限公司 | Electromagnetic valve of excavator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7828299B2 (en) * | 2004-11-22 | 2010-11-09 | Mide Technology Corporation | Fluid-activated shaft seal |
| JP2014523999A (en) * | 2011-06-15 | 2014-09-18 | アミアド ウォーター システムズ リミテッド | Tubular member coupler |
| CA2849791C (en) * | 2011-09-28 | 2019-11-26 | Franklin Fueling Systems, Inc. | Split test boot |
-
2019
- 2019-09-19 CN CN201910888660.0A patent/CN110553059B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1545418A (en) * | 1967-11-28 | 1968-11-08 | Angus George Co Ltd | Oil retaining shaft seal |
| US4584163A (en) * | 1984-02-01 | 1986-04-22 | Westinghouse Electric Corp. | Reactor cavity seal ring |
| JPH08121605A (en) * | 1994-10-19 | 1996-05-17 | Shin Caterpillar Mitsubishi Ltd | Seal ring cover |
| US5692544A (en) * | 1995-03-07 | 1997-12-02 | International Pipeline, Inc. | Seal and clamp assembly for pipeline flanged connection |
| JPH11122798A (en) * | 1997-10-15 | 1999-04-30 | Japan Riikomu:Kk | Closure for cable connection |
| JPH11304027A (en) * | 1998-04-21 | 1999-11-05 | Calsonic Corp | Sealing structure of pressure control valve |
| JP2007107655A (en) * | 2005-10-14 | 2007-04-26 | Nippon Valqua Ind Ltd | Gate valve |
| CN202597211U (en) * | 2012-05-02 | 2012-12-12 | 长江武汉航道工程局 | Buckle type dredge pump shaft seal |
| US9410630B1 (en) * | 2013-05-06 | 2016-08-09 | Taylor Innovations Llc | Sealing member for use in non-simmering clean service relief valve |
| CN203374800U (en) * | 2013-07-11 | 2014-01-01 | 佛山市三水灏诚合成树脂有限公司 | Sealing device of manhole opening of emulsifying kettle |
| CN205190405U (en) * | 2015-12-07 | 2016-04-27 | 浙江华益精密机械股份有限公司 | Cartridge formula solenoid valve |
| CN207034332U (en) * | 2017-05-26 | 2018-02-23 | 湖南凯恩利液压机械制造有限公司 | A kind of magnetic valve, hydraulic system and plant equipment |
| CN208057400U (en) * | 2018-04-21 | 2018-11-06 | 盐城派威机械有限公司 | A kind of oil pump anti-oil leakage device |
| CN208651787U (en) * | 2018-07-16 | 2019-03-26 | 天津市明川阀门有限公司 | A kind of valve axis adjustment device of vertical butterfly valve |
| CN208719616U (en) * | 2018-08-28 | 2019-04-09 | 福建省海耀工程管道制造有限责任公司 | A kind of pipe used in mine sealed connecting component |
| CN208885593U (en) * | 2018-09-29 | 2019-05-21 | 无锡市四合电气科技有限公司 | A kind of dust-proof fan speed regulation electricity getting device |
| CN209217538U (en) * | 2018-11-13 | 2019-08-06 | 临沂超越电力建设有限公司 | A kind of sealing device for the installation docking of GIS device dustlessization |
| CN211009989U (en) * | 2019-09-19 | 2020-07-14 | 宁波卓尔液压技术有限公司 | Electromagnetic valve of excavator |
Non-Patent Citations (1)
| Title |
|---|
| 气缸盖零件装配机;罗道生;组合机床与自动化加工技术;19770330(03);66-75 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110553059A (en) | 2019-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110553059B (en) | Electromagnetic valve for excavator | |
| CN211009989U (en) | Electromagnetic valve of excavator | |
| CN102822044A (en) | Seal assembly for track pin joint assembly | |
| JP2020153135A (en) | Swivel joint of construction machine | |
| KR102400076B1 (en) | A Turning Device for Heavy Equipments | |
| JP2007009598A (en) | Connecting pin structure of working machine | |
| CN207959324U (en) | Balancing device with lubricant | |
| CN114294005B (en) | Cutter device, tunneling machine, and cutter changing method | |
| KR102539313B1 (en) | Excavator rotary coupler with built-in replaceable abrasion device | |
| KR20130092010A (en) | Linkage structure for bucket and arm of hydraulic excavator | |
| CN201730616U (en) | Development machine and floating sealing device thereof | |
| JP2015147436A (en) | Roller device of undercarriage | |
| JP4269039B2 (en) | Rotating body locking device and application | |
| CN207673867U (en) | A kind of novel magnetic sealing device | |
| KR20140121153A (en) | Machanical seal | |
| KR200143078Y1 (en) | Structure for protecting side part of arm boss from abrasion in excavator | |
| CN208686987U (en) | A kind of shield machine elastic packing knife gate valve | |
| CN111520462A (en) | Bidirectional alternate integral sealing device for main drive of tunnel boring machine | |
| CN212248423U (en) | Clearance adjustment mechanism and excavator | |
| CN215165936U (en) | Excavator bucket structure of multi-angle construction | |
| CN210637566U (en) | Fluorine-lined worm wheel ball valve | |
| CN214784279U (en) | Hydraulic control device for movable arm of excavator | |
| CN218813944U (en) | Excavator swing arm supporting component | |
| CN203412024U (en) | Bucket bolt device | |
| CN211472623U (en) | Quick connecting device of bucket |
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 |