CN203272813U - Plug-in type electromagnetic valve and plug-in type electromagnetic valve set with same - Google Patents
Plug-in type electromagnetic valve and plug-in type electromagnetic valve set with same Download PDFInfo
- Publication number
- CN203272813U CN203272813U CN 201320287580 CN201320287580U CN203272813U CN 203272813 U CN203272813 U CN 203272813U CN 201320287580 CN201320287580 CN 201320287580 CN 201320287580 U CN201320287580 U CN 201320287580U CN 203272813 U CN203272813 U CN 203272813U
- Authority
- CN
- China
- Prior art keywords
- spool
- push rod
- valve
- iron core
- valve pocket
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to a plug-in type electromagnetic valve and a plug-in type electromagnetic valve set with the same. The plug-in type electromagnetic valve comprises an electromagnet assembly and a valve element assembly, the electromagnet assembly comprises a coil former, a movable iron core and a push rod, the coil former is provided with a push rod guide hole allowing the push rod to be installed in a guiding penetrated mode, the valve element assembly comprises a valve sleeve and a valve element, the push rod is matched with the valve element in a pushing mode, the lower end hole edge of the push rod guide hole is matched with the valve element in a blocking mode to limit the upward moving limitation of the valve element, an oil passing gap is formed between the outer circumference of the push rod and the wall of the push rod guide hole, the lower end hole edge of the guide hole is matched with the upper end face of the valve element in a blocking mode to limit the upward moving limitation of the valve element, the upper end face of the valve element is provided with an oil passing groove communicated with the outer circumference of the valve element and the push rod guide hole, and an annular oil passing cavity communicated with the oil passing groove and a valve element oil channel is arranged between the valve element and the wall of a valve sleeve installation hole. According to the plug-in type electromagnetic valve and the plug-in type electromagnetic valve set, and the problem of push rod structural strength reduction due to the fact that an oil passing channel needs to be formed in the push rod in the prior art is resolved.
Description
Technical field
The utility model relates to the solenoid valve field, relates in particular to a kind of plugged electric magnet valve and uses the plugged electric magnet valve group of this solenoid valve.
Background technique
In the various hydraulic systems of machinery, widely applied the two-position three way high pressure, without the leakage fluid hydraulic circuit, wherein two-position three way plugged electric magnet valve is the crucial hydraulic element of this type systematic, and the quality of plug-in type magnetic valve performance directly affects the performance of main frame.existing plug-in type electromagnetic valve structure as disclosed in Chinese patent CN202017791U " threaded plug-in two-position three-way cone valve type electromagnetic valve ", this solenoid valve comprises electromagnet assembly and mangetic core assembly, electromagnet assembly comprises the coil carrier that electromagnetic coil is installed, mangetic core assembly comprises the valve pocket in the valve pocket mounting hole that is connected in the coil carrier lower end, be provided with the moving iron core that can move down in coil carrier under the active force of electromagnetic coil drives, be provided with spool moving up and down in the endoporus of valve pocket, be provided with the spool oil duct in spool, on coil carrier in the lower end of moving iron core also along the vertical direction guiding movement be equipped with push rod, the upper end of push rod and moving iron core lower end are in transmission connection, lower end and the spool of push rod are in transmission connection, moving iron core can promote spool by push rod and move down, be top-loaded with between valve pocket and spool and force the Returnning spring that moves on spool.Be arranged at intervals with along the vertical direction first, second, and third hydraulic fluid port on valve pocket, spool has shutoff the 3rd hydraulic fluid port in moving up and down process, be communicated with upper working position and shutoff first hydraulic fluid port of first, second hydraulic fluid port, be communicated with the lower working position of second, third hydraulic fluid port.When the electromagnetic coil no electric circuit, be subjected to action of reset spring power, spool is in working position, and the 3rd oilhole is by the spool shutoff at this moment, and first, second hydraulic fluid port is communicated with; When electromagnetic coil was switched on, the electromagnetic force that electromagnetic coil produces promoted moving iron core and moves down, and moving iron core is displaced downwardly to lower working position by push rod band movable valve plug, and the first hydraulic fluid port is by shutoff at this moment, and second, third hydraulic fluid port is communicated with.The problem that existing this solenoid valve mainly exists is: owing to wanting frequent power on/off magnet valve, cause the use of Returnning spring comparatively frequent, and Returnning spring is after frequent the use, can cause Returnning spring inadequate to the reposition force that spool provides, make spool not move to smoothly working position, affect the use of solenoid valve; In addition, moving iron core moves down Shi Douhui at every turn and coil carrier produces strong the shock, and is larger to moving iron core damage, the working life of having reduced moving iron core; Offer the endoporus of connection valve pocket and the oily passage of mistake of moving iron core space in push rod, crossing arranging of oily passage has increased the complex structure of push rod degree, has also reduced the structural strength of push rod simultaneously.
The model utility content
The purpose of this utility model is to provide a kind of plugged electric magnet valve, to solve in prior art because the problem that oily passage reduces pusher structure intensity need to be set in push rod inside; The purpose of this utility model also is to provide a kind of plugged electric magnet valve group of using this plugged electric magnet valve.
In order to address the above problem, in the utility model, the technological scheme of plugged electric magnet valve is:
the plugged electric magnet valve, comprise the mangetic core assembly that electromagnet assembly and lower end thereof arrange, electromagnet assembly comprise coil carrier and along the vertical direction guiding movement be assemblied in moving iron core in coil carrier, the lower end of moving iron core is connected with push rod, be provided with the push rod pilot hole that installs for described push rod guiding on coil carrier, mangetic core assembly comprises the valve pocket in the valve pocket mounting hole that is connected in the coil carrier lower end, be provided with the spool of spool oil duct in valve pocket, guiding is equipped with, the lower end of described push rod coordinates with the upper end pushing tow of spool, the lower stomidium of described push rod pilot hole is continued to use and is limited the spool limit that moves up in coordinating with the upper-end surface block of described spool, be provided with the oil-gap of crossing that is communicated with the space of moving iron core between the hole wall of the outer circumferential face of push rod and push rod pilot hole, be provided with the oil groove of crossing that is communicated with described spool outer circumferential face and push rod pilot hole on the upper-end surface of described spool, be provided with between the hole wall of described spool and valve pocket mounting hole and be communicated with the described annular of crossing oil groove and spool oil duct and cross oil pocket.
The described spirality that is shaped as of crossing oil groove.
Be arranged at intervals with along the vertical direction first, second, and third hydraulic fluid port on described valve pocket, be top-loaded with between valve pocket and spool to force and move on spool and make spool shutoff the 3rd hydraulic fluid port, be communicated with the Returnning spring of first, second hydraulic fluid port, pad is equipped with the adjusting pad between described Returnning spring and spool and/or between the Returnning spring valve pocket.
Turning up on described spool has spring the first installation to turn edge, install to turn in the below that turns edge in described spring first on described valve pocket and with spring first, the spring second that is oppositely arranged of turning edge is installed and is installed and turn edge, described Returnning spring is arranged between first and second installation of spring turns edge.
The upper end of described coil carrier is provided with the iron core lid, and iron core covers the double-screw bolt that the axis that is threaded extends along the vertical direction, and the upper end of double-screw bolt protrudes from iron core and covers and be installed with sealing nut.
Offer the oily passage of axial mistake that runs through vertically the moving upper and lower end face of iron core on described moving iron core.
In the utility model, the technological scheme of plugged electric magnet valve group is:
plugged electric magnet valve group, comprise and be fitted with the electromagnetism valve housing, solenoid valve comprises the mangetic core assembly that electromagnet assembly and lower end thereof arrange, electromagnet assembly comprise coil carrier and along the vertical direction guiding movement be assemblied in moving iron core in coil carrier, the lower end of moving iron core is connected with push rod, be provided with the push rod pilot hole that installs for described push rod guiding on coil carrier, mangetic core assembly comprises the valve pocket in the valve pocket mounting hole that is connected in the coil carrier lower end, be provided with the spool of spool oil duct in valve pocket, guiding is equipped with, the lower end of described push rod coordinates with the upper end pushing tow of spool, the lower stomidium of described push rod pilot hole is continued to use and is limited the spool limit that moves up in coordinating with the upper-end surface block of described spool, be provided with the oil-gap of crossing that is communicated with the space of moving iron core between the hole wall of the outer circumferential face of push rod and push rod pilot hole, be provided with the oil groove of crossing that is communicated with described spool outer circumferential face and push rod pilot hole on the upper-end surface of described spool, be provided with between the hole wall of described spool and valve pocket mounting hole and be communicated with the described annular of crossing oil groove and spool oil duct and cross oil pocket.
The described spirality that is shaped as of crossing oil groove.
The upper end of described coil carrier is provided with the iron core lid, and iron core covers the double-screw bolt that the axis that is threaded extends along the vertical direction, and the upper end of double-screw bolt protrudes from iron core and covers and be installed with sealing nut.
Described solenoid valve has at least two, be arranged at intervals with along the vertical direction first, second, and third hydraulic fluid port on the valve pocket of described mangetic core assembly, be top-loaded with between valve pocket and spool to force and move on spool and make spool shutoff the 3rd hydraulic fluid port, be communicated with the Returnning spring of first, second hydraulic fluid port, pad between described Returnning spring and spool and/or between the Returnning spring valve pocket adjusting pad is housed, the first hydraulic fluid port of each solenoid valve is communicated with by the first asphalt channel that is arranged on housing, and the 3rd hydraulic fluid port of each solenoid valve is communicated with by the second asphalt channel that is arranged on housing.
The beneficial effects of the utility model are: during use hydraulic oil through spool oil duct, annular cross oil pocket, the oil-gap of crossing of crossing between oil groove and push rod and push rod pilot hole that is arranged at the spool upper-end surface flows in the space that moves the iron core place, thereby moving iron core is lubricated, make the iron core motion more steady, oily passage need to be set in push rod, push rod is easy to make, also guaranteed the structural strength of push rod, cross simultaneously on the upper-end surface that oil groove is arranged at spool, cross oil groove also very little on the impact of valve core structure intensity, guarantee that spool also has enough structural strengths.
Description of drawings
Fig. 1 is the structural representation of an embodiment of plugged electric magnet valve group in the utility model;
Fig. 2 is the structural representation of plugged electric magnet valve in Fig. 1.
Embodiment
the embodiment of plugged electric magnet valve group is as shown in Fig. 1 ~ 2: comprise the housing that is fitted with two plugged electric magnet valves 27, each plugged electric magnet valve includes electromagnet assembly and mangetic core assembly, electromagnet assembly comprises the coil carrier 8 that electromagnetic coil 10 is installed, be provided with the moving iron core 13 that can move down on coil carrier under the active force of electromagnetic coil, the underpart of moving iron core is a cone boss structure, the underpart that is provided with shape and described moving iron core on electromagnet assembly is adaptive, and for the identical cone tank that inserts in the underpart of moving iron core, the underpart of cone tank and moving iron core forms conical surface electromagnet air gap, initial suction is large, pull characteristics are mild in whole stroke, the shock of moving iron core to coil carrier in the time of also can reducing end of travel.The two ends up and down of electromagnetic coil seal with outside the realization by sealing gasket 15 and seal ring 9 respectively, sealing gasket compresses by compressing tablet 16, back-up ring 17 is arranged in mounting groove in plug 18, and the outer race of electromagnetic coil is provided with electromagnet housing 12, and electromagnet housing and coil carrier interference fit are also fixing.The upper end of coil carrier is equipped with magnetic conduction pad 14, and it coordinates with electromagnet housing 12, is used to form magnetic loop.The upper end of coil carrier is provided with the iron core lid, and iron core covers the double-screw bolt 20 that the axis that is threaded extends along the vertical direction, and the upper end of double-screw bolt protrudes from iron core and covers and be installed with sealing nut 19, and double-screw bolt can be adjusted the position up and down, thereby adjusts the stroke of moving iron core.The lower end interference of moving iron core is installed with push rod 11, push rod leads along the vertical direction and is installed in the push rod pilot hole that is arranged on coil carrier, the upper end of push rod pilot hole is communicated with the space of moving iron core, is provided with oil-gap between the hole wall of the outer circumferential face of push rod and push rod pilot hole.mangetic core assembly comprises the valve pocket 2 in the valve pocket mounting hole that is connected in the coil carrier lower end, lead along the vertical direction in the endoporus of valve pocket and be coated with spool 4, be provided with the spool oil duct in spool, the upper end of spool is used for coordinating with the lower end pushing tow of push rod, be arranged at intervals with along the vertical direction the first hydraulic fluid port 32 on valve pocket, the second hydraulic fluid port 34 and the 3rd hydraulic fluid port 37, be arranged at intervals with along the vertical direction annular boss 33 on valve pocket on the inner hole wall of valve pocket, annular boss 38 under annular boss 35 and valve pocket in valve pocket, wherein on valve pocket, annular boss is positioned at first, between the second hydraulic fluid port, in valve pocket, annular boss is positioned at second, between the 3rd hydraulic fluid port, under valve pocket, annular boss is positioned at the below of the 3rd hydraulic fluid port, be arranged at intervals with along the vertical direction on the outer circumferential face of spool for spool that annular boss slipper seal on valve pocket coordinates on annular boss 31, be used for spool that the slipper seal of valve pocket annular boss coordinates in annular boss 36 and for spool that annular boss slipper seal under valve pocket coordinates under annular boss, on spool, in, be provided with the multi-turn balancing slit on the outer circumferential face of lower annular boss, the first hydraulic fluid port of each plugged electric magnet valve is communicated with by the first asphalt channel 41 that is arranged on housing, the 3rd hydraulic fluid port of each plugged electric magnet valve is communicated with by the second asphalt channel 42 that is arranged on housing, be provided with on housing respectively with first, the second and the 3rd hydraulic fluid port corresponding to hydraulic fluid port, be provided with two filler openings and return opening on housing, on housing, obsolete hydraulic fluid port can coordinate close screw plug seal ring 26 shutoff by screw plug 25.Turning up on spool has spring the first installation to turn edge 40, install to turn in the below that turns edge in described spring first on valve pocket and with spring first, the spring second that is oppositely arranged of turning edge is installed and is installed and turn edge 39, be provided with Returnning spring 7 between first and second installation of spring turns edge, between Returnning spring and spring second are installed and turned edge, pad is equipped with and regulates pad 23.Be equipped with second between valve pocket and coil carrier and regulate pad 43.By two two-position three way plugged electric magnet valves are composed in parallel the solenoid valve group, can realize four four-way functions.Crossing oil groove is that spirality can play the kinetic damping effect, reduces moving iron core motion to the impact of coil carrier, to the impact of coil carrier end face, makes the product commutation steadily when reducing simultaneously the spool commutation, reduces compression shock.
When electromagnetic coil was switched on, moving iron core can move down by push rod band movable valve plug; Spool has shutoff the 3rd hydraulic fluid port in moving up and down process, be communicated with upper working position and shutoff first hydraulic fluid port of first, second hydraulic fluid port, be communicated with the lower working position of second, third hydraulic fluid port.When the electromagnetic coil no electric circuit, be subjected to action of reset spring power and hydraulic power, spool is in working position, and the 3rd oilhole is by the spool shutoff at this moment, and first, second hydraulic fluid port is communicated with; When electromagnetic coil was switched on, the electromagnetic force that electromagnetic coil produces promoted moving iron core and moves down, and moving iron core is displaced downwardly to lower working position by push rod band movable valve plug, this moment the first hydraulic fluid port by shutoff, second, hydraulic fluid port is communicated with.the lower stomidium of push rod pilot hole is continued to use in coordinating with spool upper-end surface block and is limited the spool limit that moves up, be provided with the oil groove of crossing that is communicated with described spool outer circumferential face and push rod pilot hole on the upper-end surface 30 of spool, crossing oil groove is spiral slot, spirality is crossed oil groove can make the more steady of running of hydraulic power oil, the annular that is provided with connecting valve core oil road and mistake oil groove between the hole wall of spool and valve pocket mounting hole is crossed oil pocket, offer on moving iron core and run through vertically on moving iron core, the oily passage of axial mistake of lower end surface, hydraulic oil is crossed oil pocket through annular from the spool oil duct, cross oil groove, crossing oil-gap flow in the space that moves iron core, can be lubricated with cooling moving iron core, the damping function of oil has also alleviated reversing impact and noise, make push rod be subjected to frictional force little, long service life, crossing oil groove is opened on the spool upper-end surface, processing is simple, also can not affect simultaneously the structural strength of spool and push rod.Part 22 expression waterproof Quick connector plugs in figure; Part 21 expression cables; Part 1,3,5,6,9 all represents seal ring.
Hydraulic card clamping force when being arranged at balancing slit on spool and can reducing valve core movement makes the solenoid valve commutation steadily; Returnning spring is selected high-quality carbon spring steel wires long service life.In other embodiment of the present utility model: the number of regulating pad can be selected as required, such as two, three or more; Regulate pad can also pad be contained in Returnning spring and spring first install turn edge between or pad simultaneously and be contained between Returnning spring and first and second installation of spring turn edge; Spring second is installed to turn edge and also can not established, and this moment, Returnning spring can immediate roof be contained on the upper-end surface of valve pocket; The shape of crossing oil groove that is arranged at the spool upper-end surface can be also the radial radiation shape; The number that is arranged at the balancing slit on each spool annular boss can also be one, two or other number, and balancing slit can not established yet certainly; The end, lower end of moving iron core can also be a bearing of trend perpendicular to the plane structure of above-below direction, the upper end of push rod can not be fixedly connected with moving iron core yet, but coordinates with moving iron core lower end pushing tow; The number of plugged electric magnet valve can also be one, three, four or more.
The embodiment of plugged electric magnet valve is as shown in Figure 2: the concrete structure of plugged electric magnet valve is identical with the plugged electric magnet valve described in above-mentioned each plugged electric magnet valve group embodiment, is not described in detail in this.
Claims (10)
1. plugged electric magnet valve, comprise the mangetic core assembly that electromagnet assembly and lower end thereof arrange, electromagnet assembly comprise coil carrier and along the vertical direction guiding movement be assemblied in moving iron core in coil carrier, the lower end of moving iron core is connected with push rod, be provided with the push rod pilot hole that installs for described push rod guiding on coil carrier, mangetic core assembly comprises the valve pocket in the valve pocket mounting hole that is connected in the coil carrier lower end, be provided with the spool of spool oil duct in valve pocket, guiding is equipped with, it is characterized in that: the lower end of described push rod coordinates with the upper end pushing tow of spool, the lower stomidium of described push rod pilot hole is continued to use and is limited the spool limit that moves up in coordinating with the upper-end surface block of described spool, be provided with the oil-gap of crossing that is communicated with the space of moving iron core between the hole wall of the outer circumferential face of push rod and push rod pilot hole, be provided with the oil groove of crossing that is communicated with described spool outer circumferential face and push rod pilot hole on the upper-end surface of described spool, be provided with between the hole wall of described spool and valve pocket mounting hole and be communicated with the described annular of crossing oil groove and spool oil duct and cross oil pocket.
2. plugged electric magnet valve according to claim 1, is characterized in that: the described spirality that is shaped as of crossing oil groove.
3. plugged electric magnet valve according to claim 1, it is characterized in that: be arranged at intervals with along the vertical direction first, second, and third hydraulic fluid port on described valve pocket, be top-loaded with between valve pocket and spool to force and move on spool and make spool shutoff the 3rd hydraulic fluid port, be communicated with the Returnning spring of first, second hydraulic fluid port, pad is equipped with the adjusting pad between described Returnning spring and spool and/or between the Returnning spring valve pocket.
4. plugged electric magnet valve according to claim 3, it is characterized in that: turning up on described spool has spring the first installation to turn edge, install to turn in the below that turns edge in described spring first on described valve pocket and with spring first, the spring second that is oppositely arranged of turning edge is installed and is installed and turn edge, described Returnning spring is arranged between first and second installation of spring turns edge.
5. plugged electric magnet valve according to claim 1 is characterized in that: the upper end of described coil carrier is provided with the iron core lid, and iron core covers the double-screw bolt that the axis that is threaded extends along the vertical direction, and the upper end of double-screw bolt protrudes from iron core and covers and be installed with sealing nut.
6. according to claim 1 ~ 5 described plugged electric magnet valves of any one, is characterized in that: offer the oily passage of axial mistake that runs through vertically the moving upper and lower end face of iron core on described moving iron core.
7. plugged electric magnet valve group, comprise and be fitted with the electromagnetism valve housing, solenoid valve comprises the mangetic core assembly that electromagnet assembly and lower end thereof arrange, electromagnet assembly comprise coil carrier and along the vertical direction guiding movement be assemblied in moving iron core in coil carrier, the lower end of moving iron core is connected with push rod, be provided with the push rod pilot hole that installs for described push rod guiding on coil carrier, mangetic core assembly comprises the valve pocket in the valve pocket mounting hole that is connected in the coil carrier lower end, be provided with the spool of spool oil duct in valve pocket, guiding is equipped with, it is characterized in that: the lower end of described push rod coordinates with the upper end pushing tow of spool, the lower stomidium of described push rod pilot hole is continued to use and is limited the spool limit that moves up in coordinating with the upper-end surface block of described spool, be provided with the oil-gap of crossing that is communicated with the space of moving iron core between the hole wall of the outer circumferential face of push rod and push rod pilot hole, be provided with the oil groove of crossing that is communicated with described spool outer circumferential face and push rod pilot hole on the upper-end surface of described spool, be provided with between the hole wall of described spool and valve pocket mounting hole and be communicated with the described annular of crossing oil groove and spool oil duct and cross oil pocket.
8. plugged electric magnet valve group according to claim 7, is characterized in that: the described spirality that is shaped as of crossing oil groove.
9. plugged electric magnet valve group according to claim 7, it is characterized in that: the upper end of described coil carrier is provided with the iron core lid, iron core covers the double-screw bolt that the axis that is threaded extends along the vertical direction, and the upper end of double-screw bolt protrudes from iron core and covers and be installed with sealing nut.
10. according to claim 7 ~ 9 described plugged electric magnet valve of any one groups, it is characterized in that: described solenoid valve has at least two, be arranged at intervals with along the vertical direction first on the valve pocket of described mangetic core assembly, the second and the 3rd hydraulic fluid port, be top-loaded with between valve pocket and spool to force and move on spool and make spool shutoff the 3rd hydraulic fluid port, be communicated with first, the Returnning spring of the second hydraulic fluid port, pad between described Returnning spring and spool and/or between the Returnning spring valve pocket adjusting pad is housed, the first hydraulic fluid port of each solenoid valve is communicated with by the first asphalt channel that is arranged on housing, the 3rd hydraulic fluid port of each solenoid valve is communicated with by the second asphalt channel that is arranged on housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320287580 CN203272813U (en) | 2013-05-24 | 2013-05-24 | Plug-in type electromagnetic valve and plug-in type electromagnetic valve set with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320287580 CN203272813U (en) | 2013-05-24 | 2013-05-24 | Plug-in type electromagnetic valve and plug-in type electromagnetic valve set with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203272813U true CN203272813U (en) | 2013-11-06 |
Family
ID=49503226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320287580 Withdrawn - After Issue CN203272813U (en) | 2013-05-24 | 2013-05-24 | Plug-in type electromagnetic valve and plug-in type electromagnetic valve set with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203272813U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267134A (en) * | 2013-05-24 | 2013-08-28 | 平原机器厂（新乡） | Plug-in mounting type electromagnetic valve and plug-in mounting type electromagnetic valve set using plug-in mounting type electromagnetic valve |
| CN105097181A (en) * | 2015-09-24 | 2015-11-25 | 中国航天科技集团公司烽火机械厂 | Damping and noise-reducing armature |
| CN108869761A (en) * | 2018-09-17 | 2018-11-23 | 东莞市奥垦汽车泵业有限公司 | A kind of mute improvement control valve of oil pump |
-
2013
- 2013-05-24 CN CN 201320287580 patent/CN203272813U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267134A (en) * | 2013-05-24 | 2013-08-28 | 平原机器厂（新乡） | Plug-in mounting type electromagnetic valve and plug-in mounting type electromagnetic valve set using plug-in mounting type electromagnetic valve |
| CN103267134B (en) * | 2013-05-24 | 2015-07-01 | 平原机器厂（新乡） | Plug-in mounting type electromagnetic valve and plug-in mounting type electromagnetic valve set using plug-in mounting type electromagnetic valve |
| CN105097181A (en) * | 2015-09-24 | 2015-11-25 | 中国航天科技集团公司烽火机械厂 | Damping and noise-reducing armature |
| CN108869761A (en) * | 2018-09-17 | 2018-11-23 | 东莞市奥垦汽车泵业有限公司 | A kind of mute improvement control valve of oil pump |
| CN108869761B (en) * | 2018-09-17 | 2024-03-15 | 东莞珀力伟动力科技有限公司 | Mute improved control valve of oil pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205047559U (en) | Hydraulic control valve | |
| CN203272813U (en) | Plug-in type electromagnetic valve and plug-in type electromagnetic valve set with same | |
| CN203322343U (en) | Direct-acting overflow valve | |
| CN109826995A (en) | A kind of multi-sealed high-speed electromagnetic valve | |
| CN203099034U (en) | High-pressure electromagnetic valve | |
| CN203272869U (en) | Plug-in mounting type valve element assembly, solenoid valve using plug-in mounting type valve element assembly and solenoid valve group using plug-in mounting type valve element assembly | |
| CN204345034U (en) | A kind of compressed natural gas guide electromagnetic valve | |
| CN104500787A (en) | Mixed flow magnetorheological valve | |
| CN203670809U (en) | Oil and gas pipeline stop valve capable of confirming turn-off state in remote mode | |
| CN103267134B (en) | Plug-in mounting type electromagnetic valve and plug-in mounting type electromagnetic valve set using plug-in mounting type electromagnetic valve | |
| CN205260716U (en) | Magneto rheological damper with two -stage damping force output control | |
| CN205136615U (en) | Electromagnetic valve | |
| CN110953285A (en) | Stepped mixed type magnetorheological damper | |
| CN204003783U (en) | A kind of two-plate injection machine band-type brake cushion cylinder | |
| CN104454280A (en) | Controllable exhaust fuel oil metering valve | |
| CN207018607U (en) | Automobile steering device Integral electric control proportioning valve | |
| CN204328154U (en) | A kind of gas electromagnetic valve for vehicles | |
| CN204985939U (en) | Solenoid valve magnetic conduction structure | |
| CN205155304U (en) | Novel electromagnetic valve | |
| CN104712798A (en) | Combined pressure relief valve | |
| CN103697184B (en) | A kind of through-flow structure of valve port of slide valve | |
| CN205715743U (en) | A kind of dual spring valve core of the electromagnetic valve assembly | |
| CN205896348U (en) | Anti -jamming electromagnetic switch valve | |
| CN203146892U (en) | Fixing ball valve | |
| CN102155572B (en) | Valve plug damping device for electromagnetic valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131106 Effective date of abandoning: 20150701 |
|
| RGAV | Abandon patent right to avoid regrant |