CN111946860A - Three-way electromagnetic valve - Google Patents
Three-way electromagnetic valve Download PDFInfo
- Publication number
- CN111946860A CN111946860A CN202010715291.8A CN202010715291A CN111946860A CN 111946860 A CN111946860 A CN 111946860A CN 202010715291 A CN202010715291 A CN 202010715291A CN 111946860 A CN111946860 A CN 111946860A
- Authority
- CN
- China
- Prior art keywords
- valve
- spacer bush
- channel
- rod
- port
- 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.)
- Pending
Links
- 125000006850 spacer group Chemical group 0.000 claims abstract description 71
- 238000007789 sealing Methods 0.000 claims abstract description 39
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 37
- 230000000694 effects Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 9
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 230000003068 static effect Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a three-way electromagnetic valve which comprises a valve body, a valve rod, a pressing plate, a bottom cover and a coil assembly, wherein a first air connecting port, a second air connecting port and a third air connecting port which are communicated with an inner cavity of the valve body are respectively arranged on the valve body; the upper spacer bush is provided with a first channel communicated with the second gas receiving port, the lower spacer bush is provided with a second channel communicated with the third gas receiving port, the upper spacer bush and the lower spacer bush are in inserted fit to form a third channel communicated with the first gas receiving port, the first channel is communicated with the third channel through an upper valve port, the second channel is communicated with the third channel through a lower valve port, and the valve rod is sleeved with a sealing ring for opening and closing the upper valve port or the lower valve port. The invention has the advantages of simple structure, convenient installation and good sealing performance.
Description
Technical Field
The invention relates to the technical field of pneumatic elements, in particular to a three-way electromagnetic valve.
Background
The solenoid valve is an automatic basic element for controlling fluid, belongs to a control element, and is not limited to hydraulic pressure and pneumatic pressure. The electromagnetic valve is widely applied to industrial control systems, and is matched with a circuit to control the direction, flow, speed and other parameters of a medium. The three-way solenoid valve is a commonly used solenoid valve, and includes a valve body with a built-in poppet valve, in which through holes opened to three passages are provided, and cylindrical 1 st and 2 nd check rings made of synthetic resin material are embedded in the through holes, as disclosed in chinese patent application No. CN 200510088251.0. The end walls of the two check rings opposite to each other across the central channel are respectively provided with a valve seat, and the lifting type valve member is provided with lifting sealing parts arranged on the two valve seats opposite to each other, so that the valve seats of the 1 st check ring and the 2 nd check ring are opened and closed. The inner peripheral wall near the end of the valve seat side of the two retainer rings is slightly reduced, the effective seat diameter of the valve seat is approximately equal to the diameter of the inner surface of the retainer ring which is in friction connection with the friction part of the valve member, the two retainer rings can be installed only from different directions on two sides in the practical application process, the installation is relatively troublesome, the concentricity is poor, and the valve rod after being matched and installed can have a gap and is poor in sealing property.
Disclosure of Invention
The invention aims to provide a three-way electromagnetic valve which is simple in structure, convenient to install and good in sealing property aiming at the defects and the defects of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a three-way electromagnetic valve comprises a valve body, a valve rod movably arranged in an inner cavity of the valve body, a pressure plate and a bottom cover which are respectively covered at two ends of the valve body, and a coil assembly arranged on the pressure plate, wherein the valve body is respectively provided with a first air connecting port, a second air connecting port and a third air connecting port which are communicated with the inner cavity of the valve body, the coil assembly comprises a movable iron core which drives the valve rod to move, an ejector rod is abutted between the valve rod and the movable iron core,
a spacer bush is sleeved between the valve body and the valve rod and comprises an upper spacer bush and a lower spacer bush, at least one first mounting column is arranged on the upper spacer bush, at least one first slot is also formed in the upper spacer bush, a second slot which is in splicing fit with the first mounting column is formed in the lower spacer bush, and a second mounting column which is in splicing fit with the first slot is also formed in the lower spacer bush;
the upper spacer sleeve is provided with a first channel communicated with the second gas receiving port, the lower spacer sleeve is provided with a second channel communicated with the third gas receiving port, the upper spacer sleeve and the lower spacer sleeve are in inserted fit to form a third channel communicated with the first gas receiving port, the first channel is communicated with the third channel through an upper valve port, the second channel is communicated with the third channel through a lower valve port, and the valve rod is sleeved with a sealing ring for opening and closing the upper valve port or the lower valve port.
Further, the coil assembly still includes the coil and set firmly in quiet iron core in the coil, move the iron core activity set up in the coil, move the iron core with it is equipped with first spring to support between the quiet iron core, move the bottom of iron core and pass the clamp plate and with the cooperation that the ejector pin offsets, the valve rod with support between the bottom and be equipped with the second spring, the elasticity of first spring is greater than the elasticity of second spring.
Furthermore, a manual rod is movably arranged in the valve body, the inner side end of the manual rod is arranged corresponding to the movable iron core, a third spring is arranged between the manual rod and the valve body in a supporting mode, the third spring drives the manual rod to be far away from the movable iron core, and a cylindrical pin used for stopping the manual rod from sliding out is further arranged on the valve body.
Furthermore, a first annular groove is formed in the valve rod, a first convex ring is further arranged on the valve rod, a second convex ring matched with the first annular groove in a sleeved mode is arranged in the sealing ring, and a second annular groove matched with the first convex ring in a sleeved mode is formed in the sealing ring, so that the sealing ring is firmly installed and is tightly matched, and the sealing performance is improved.
Furthermore, be equipped with the third annular that is used for cup jointing flat type circle on the valve rod, improve the leakproofness.
Furthermore, a third convex ring is arranged on the sealing ring, so that the sealing ring is tightly matched with the upper valve port and the lower valve port, gas leakage is avoided, and the sealing performance is improved.
Furthermore, the upper spacer sleeve and the lower spacer sleeve are both sleeved with O-shaped rings, so that the sealing performance is improved.
The invention has the beneficial effects that: the first mounting structure comprises an upper spacer sleeve, a lower spacer sleeve, a first mounting column, a second mounting column and a second mounting column, wherein the upper spacer sleeve is provided with at least one first mounting column; when the valve body is installed, the upper spacer bush is sleeved on the valve rod from the upper end of the valve rod, the lower spacer bush is sleeved on the valve rod from the lower end of the valve rod, then the angle between the upper spacer bush and the lower spacer bush is adjusted, the first installation column is in inserting fit with the second insertion groove, the first insertion groove is in inserting fit with the second installation column, the valve rod with the upper spacer bush and the lower spacer bush installed is installed from one side of the inner cavity of the valve body, and finally the bottom cover is installed; when the first mounting column and the second mounting column are in splicing fit, and the first slot and the second mounting column are in splicing fit, so that a positioning effect is achieved, the mounting is convenient and rapid, and the upper spacer bush and the lower spacer bush are prevented from rotating relatively; secondly, a first channel communicated with a second gas receiving port is arranged on the upper spacer sleeve, a second channel communicated with a third gas receiving port is arranged on the lower spacer sleeve, the upper spacer sleeve and the lower spacer sleeve are in splicing fit to form a third channel communicated with the first gas receiving port, the first channel is communicated with the third channel through an upper valve port, the second channel is communicated with the third channel through a lower valve port, and a sealing ring for opening and closing the upper valve port or the lower valve port is sleeved on the valve rod, so that the sealing property is improved; generally speaking, the invention has the advantages of simple structure, convenient installation and good sealing performance.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of the spacer of the present invention.
Fig. 3 is a schematic view of the structure of the valve stem of the present invention.
Fig. 4 is a schematic structural view of the seal ring of the present invention.
Shown in the figure: 1-a valve body; 1.1-a first air-receiving port; 1.2-a second air-receiving port; 1.3-a third air-receiving port; 1.4-a third channel; 1.5-step; 2-a valve stem; 2.1-a first ring groove; 2.2-first convex ring; 2.3-third ring groove; 3, pressing a plate; 4-bottom cover; 5-a coil; 5.1-junction box; 6-static iron core; 7-a movable iron core; 8-a first spring; 9-a second spring; 10-arranging a spacer bush; 10.1-a first mounting post; 10.2-first slot; 10.3 — a first channel; 10.4-upper valve port; 11-lower spacer bush; 11.1-a second slot; 11.2-a second mounting post; 11.3-a second channel; 11.4-lower valve port; 12-a manual lever; 12.1-limiting through holes; 13-a third spring; 14-cylindrical pins; 15-a mandril; 16-flat ring; 17-O-ring; 18-a sealing ring; 18.1-a second torus; 18.2-a second ring groove; 18.3-third bulge loop; 19-a cannula; 20-nut.
Detailed Description
For a more intuitive and complete understanding of the technical solution of the present invention, the following non-limiting features are described in conjunction with the accompanying drawings of the present invention:
as shown in fig. 1 to 4, a three-way electromagnetic valve comprises a valve body 1, a valve rod 2 movably arranged in an inner cavity of the valve body 1, a pressing plate 3 and a bottom cover 4 respectively covering two ends of the valve body 1, and a coil assembly arranged on the pressing plate 3, wherein the valve body 1 is respectively provided with a first air-receiving port 1.1, a second air-receiving port 1.2 and a third air-receiving port 1.3 which are communicated with the inner cavity of the valve body 1, the coil assembly comprises a movable iron core 7 driving the valve rod 2 to act, an ejector rod 15 is abutted between the valve rod 2 and the movable iron core 7,
a spacer bush is sleeved between the valve body 1 and the valve rod 2 and comprises an upper spacer bush 10 and a lower spacer bush 11, at least one first mounting column 10.1 is arranged on the upper spacer bush 10, at least one first slot 10.2 is also arranged on the upper spacer bush 10, a second slot 11.1 which is in plug-in fit with the first mounting column 10.1 is arranged on the lower spacer bush 11, and a second mounting column 11.2 which is in plug-in fit with the first slot 10.2 is also arranged on the lower spacer bush 11;
the upper spacer 10 is provided with a first channel 10.3 communicated with the second air inlet 1.2, the lower spacer 11 is provided with a second channel 11.3 communicated with the third air inlet 1.3, the upper spacer 10 and the lower spacer 11 are in inserted fit to form a third channel 1.4 communicated with the first air inlet 1.1, the first channel 10.3 is communicated with the third channel 1.4 through an upper valve port 10.4, the second channel 11.3 is communicated with the third channel 1.4 through a lower valve port 11.4, and the valve rod 2 is sleeved with a sealing ring 18 for opening and closing the upper valve port 10.4 or the lower valve port 11.4.
Specifically, as shown in fig. 2, two first mounting posts 10.1 and two first slots 10.2 are respectively provided, and two corresponding second slots 11.1 and two corresponding second mounting posts 11.2 are also respectively provided; the upper spacer bush 10 and the lower spacer bush 11 are correspondingly installed through mutual insertion and matching, mutual rotation is avoided, and installation is convenient.
Specifically, a step 1.5 is arranged in the valve body 1, when the valve body is installed, the upper spacer sleeve 10 is firstly sleeved on the valve rod 2 from the upper end of the valve rod 2, the lower spacer sleeve 11 is sleeved on the valve rod 2 from the lower end of the valve rod 2, then the angle between the upper spacer sleeve 10 and the lower spacer sleeve 11 is adjusted, the first installation column 10.1 and the second insertion column 11.1 are in insertion fit, the first insertion column 10.2 and the second installation column 11.2 are in insertion fit, the valve rod 2 with the upper spacer sleeve 10 and the lower spacer sleeve 11 installed is installed from one side of the inner cavity of the valve body 1, the upper spacer sleeve 10 is abutted against the step 1.5, finally the bottom cover 4 is installed, the second spring 9 is installed between the bottom cover 4 and the valve rod 2, the whole process only needs to be installed on one side, and the installation is convenient.
The coil assembly further comprises a coil 5 and a static iron core 6 fixedly arranged in the coil 5, the movable iron core 7 is movably arranged in the coil 5, a first spring 8 is arranged between the movable iron core 7 and the static iron core 6 in a supporting mode, the bottom end of the movable iron core 7 penetrates through the pressing plate 3 and is matched with the ejector rod 15 in a supporting mode, a second spring 9 is arranged between the valve rod 2 and the bottom cover 4 in a supporting mode, and the elastic force of the first spring 8 is larger than that of the second spring 9.
Specifically, a sleeve 19 is arranged in the coil 5, the lower end of the static iron core 6 is fixed on the sleeve 19, and the upper end of the static iron core 6 is fixed on the coil 5 through a nut 20; and a junction box 5.1 is arranged on the coil 5, so that the coil is convenient to be connected with a circuit.
A manual rod 12 is movably arranged in the valve body 1, the inner side end of the manual rod 12 corresponds to the movable iron core 7, a third spring 13 is arranged between the manual rod 12 and the valve body 1 in a supporting mode, the third spring 13 drives the manual rod 12 to be far away from the movable iron core 7, and a cylindrical pin 14 used for stopping the manual rod 12 from sliding out is further arranged on the valve body 1.
Specifically, a limiting through hole 12.1 is formed in the manual rod 12, the cylindrical pin 14 penetrates through the limiting through hole 12.1 and is fixed on the valve body 1, the limiting through hole 12.1 is in sliding fit with the cylindrical pin 14, and the inner side end of the movable iron core 7 is conical; normally, the manual rod 12 abuts against the cylindrical pin 14 under the elastic force of the third spring 13, and when the valve rod 2 needs to be manually reversed, the manual rod 12 can be pushed to overcome the elastic force of the third spring 13, and the inner side end pushes the movable iron core 7, so that the movable iron core 7 overcomes the elastic force of the first spring 8, the movable iron core 7 moves upwards, and after the valve rod 2 loses the elastic force of the first spring 8, the valve rod is moved upwards under the elastic force of the second spring 9 and is reversed.
A first annular groove 2.1 is formed in the valve rod 2, a first convex ring 2.2 is further arranged on the valve rod 2, a second convex ring 18.1 in sleeve fit with the first annular groove 2.1 is arranged in the sealing ring 18, and a second annular groove 18.2 in sleeve fit with the first convex ring 2.2 is formed in the sealing ring 18; specifically, the second annular groove 18.2 is formed in the middle position of the inner side wall of the sealing ring 18, so as to ensure that the sealing ring 18 is firmly and tightly connected with the valve rod 2 (as shown in fig. 4).
Specifically, as shown in fig. 3, two sealing rings 18 may be mounted on the valve rod 2, the two sealing rings 18 are symmetrically arranged, and the corresponding first annular groove 2.1 and the corresponding first protruding ring 2.2 are also respectively provided with two sealing rings 18, so that the two sealing rings 18 are firmly connected and tightly matched; the upper end sealing ring 18 is matched with the upper valve port 10.4 in an opening and closing mode, and the lower end sealing ring 18 is matched with the lower valve port 11.4 in an opening and closing mode.
The upper end and the lower end of the valve rod 2 are respectively provided with a third annular groove 2.3, and flat rings 16 are sleeved in the third annular grooves 2.3.
The surface of the sealing ring 18 is convexly provided with a third convex ring 18.3, and the surface of the third convex ring 18.3 and the surface of the sealing ring 18 are in smooth transition, so that the sealing property is improved.
O-rings 17 are sleeved on the upper spacer 10 and the lower spacer 11.
The specific working principle of the invention is as follows, under the normal condition, because the elastic force of the first spring 8 is larger than the elastic force of the second spring 9, under the elastic force action of the first spring 8, the lower valve port 11.4 is closed by the sealing ring 18 at the lower end, and the sealing ring is in a normally closed state, and the first air inlet 1.1 is communicated with the second air inlet 1.2 sequentially through the third channel 1.4, the upper valve port 10.4 and the first channel 10.3; when the coil 5 is electrified, the static iron core 6 obtains magnetic force to attract the movable iron core 7 to move upwards and overcome the elastic force of the first spring 8, at the moment, after the valve rod 2 loses the elastic force of the first spring 8, the valve rod moves upwards and reverses under the elastic force of the second spring 9, the upper valve port 10.4 is closed by the sealing ring 18 at the upper end, the lower valve port 11.4 is opened, and the first air port 1.1 is communicated with the third air port 1.3 sequentially through the third channel 1.4, the lower valve port 11.4 and the second channel 11.3.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.
Claims (7)
1. A three-way electromagnetic valve comprises a valve body (1), a valve rod (2) movably arranged in an inner cavity of the valve body (1), a pressing plate (3) and a bottom cover (4) which are respectively arranged at two ends of the valve body (1) in a covering mode, and a coil assembly arranged on the pressing plate (3), wherein the valve body (1) is respectively provided with a first air connecting port (1.1), a second air connecting port (1.2) and a third air connecting port (1.3) which are communicated with the inner cavity of the valve body (1), the coil assembly comprises a movable iron core (7) for driving the valve rod (2) to move, an ejector rod (15) is arranged between the valve rod (2) and the movable iron core (7) in a supporting mode,
the method is characterized in that: a spacer bush is sleeved between the valve body (1) and the valve rod (2), the spacer bush comprises an upper spacer bush (10) and a lower spacer bush (11), at least one first mounting column (10.1) is arranged on the upper spacer bush (10), at least one first slot (10.2) is further arranged on the upper spacer bush (10), a second slot (11.1) in plug-in fit with the first mounting column (10.1) is arranged on the lower spacer bush (11), and a second mounting column (11.2) in plug-in fit with the first slot (10.2) is further arranged on the lower spacer bush (11);
the upper spacer bush (10) is provided with a first channel (10.3) communicated with the second air receiving port (1.2), the lower spacer bush (11) is provided with a second channel (11.3) communicated with the third air receiving port (1.3), the upper spacer bush (10) and the lower spacer bush (11) are in inserted fit to form a third channel (1.4) communicated with the first air receiving port (1.1), the first channel (10.3) is communicated with the third channel (1.4) through an upper valve port (10.4), the second channel (11.3) is communicated with the third channel (1.4) through a lower valve port (11.4), and the valve rod (2) is sleeved with a sealing ring (18) for opening and closing the upper valve port (10.4) or the lower valve port (11.4).
2. The three-way electromagnetic valve according to claim 1, characterized in that: coil pack still include coil (5) and set firmly in quiet iron core (6) in coil (5), move iron core (7) activity set up in coil (5), move iron core (7) with it is equipped with first spring (8) to support between quiet iron core (6), the bottom of moving iron core (7) is passed clamp plate (3) and with ejector pin (15) counterbalance cooperation, valve rod (2) with it is equipped with second spring (9) to support between bottom (4), the elasticity of first spring (8) is greater than the elasticity of second spring (9).
3. The three-way electromagnetic valve according to claim 1, characterized in that: a manual rod (12) is movably arranged in the valve body (1), the inner side end of the manual rod (12) is arranged corresponding to the movable iron core (7), a third spring (13) is arranged between the manual rod (12) and the valve body (1) in a supporting manner, the third spring (13) drives the manual rod (12) to be far away from the movable iron core (7), and a cylindrical pin (14) used for stopping the manual rod (12) from sliding out is further arranged on the valve body (1).
4. The three-way electromagnetic valve according to claim 1, characterized in that: first annular (2.1) have been seted up on valve rod (2), still be equipped with first bulge loop (2.2) on valve rod (2), be equipped with in sealing washer (18) with first annular (2.1) cup joint complex second bulge loop (18.1), seted up in sealing washer (18) with first bulge loop (2.2) cup joint complex second annular (18.2).
5. The three-way electromagnetic valve according to claim 4, wherein: and a third annular groove (2.3) for sleeving the flat ring (16) is arranged on the valve rod (2).
6. The three-way electromagnetic valve according to claim 4, wherein: and a third convex ring (18.3) is arranged on the sealing ring (18).
7. The three-way electromagnetic valve according to claim 1, characterized in that: and the upper spacer bush (10) and the lower spacer bush (11) are both sleeved with O-shaped rings (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010715291.8A CN111946860A (en) | 2020-07-23 | 2020-07-23 | Three-way electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010715291.8A CN111946860A (en) | 2020-07-23 | 2020-07-23 | Three-way electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111946860A true CN111946860A (en) | 2020-11-17 |
Family
ID=73341405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010715291.8A Pending CN111946860A (en) | 2020-07-23 | 2020-07-23 | Three-way electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111946860A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1734143A (en) * | 2004-08-02 | 2006-02-15 | Smc株式会社 | Three-port electromagnetic valve |
| US20140261804A1 (en) * | 2013-03-15 | 2014-09-18 | Mac Valves, Inc. | Solenoid operated valve with constant bleed port |
| CN207866173U (en) * | 2018-02-11 | 2018-09-14 | 上汽通用五菱汽车股份有限公司 | A kind of irregularly-shaped hole detection device |
| CN109506013A (en) * | 2018-12-24 | 2019-03-22 | 济南夫驰科技有限公司 | A kind of low temperature resistant composite rim spacer valve rod constitutes the reversing sealing device of valve |
| CN212690920U (en) * | 2020-07-23 | 2021-03-12 | 浙江亿太诺气动科技有限公司 | Three-way electromagnetic valve |
-
2020
- 2020-07-23 CN CN202010715291.8A patent/CN111946860A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1734143A (en) * | 2004-08-02 | 2006-02-15 | Smc株式会社 | Three-port electromagnetic valve |
| US20140261804A1 (en) * | 2013-03-15 | 2014-09-18 | Mac Valves, Inc. | Solenoid operated valve with constant bleed port |
| CN207866173U (en) * | 2018-02-11 | 2018-09-14 | 上汽通用五菱汽车股份有限公司 | A kind of irregularly-shaped hole detection device |
| CN109506013A (en) * | 2018-12-24 | 2019-03-22 | 济南夫驰科技有限公司 | A kind of low temperature resistant composite rim spacer valve rod constitutes the reversing sealing device of valve |
| CN212690920U (en) * | 2020-07-23 | 2021-03-12 | 浙江亿太诺气动科技有限公司 | Three-way electromagnetic valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212690920U (en) | Three-way electromagnetic valve | |
| CN210920202U (en) | Pressure balance type two-position three-way electromagnetic valve | |
| CN110822128A (en) | Two-position three-way electromagnetic valve | |
| JP2022545152A (en) | Electronic expansion valve and its mounting method | |
| CN114754150A (en) | Electric combined valve | |
| WO2022199252A1 (en) | Electromagnetic valve and electromagnetic valve assembly | |
| JPH04254069A (en) | Annular sealing member and valve fitted therewith | |
| CN110285234B (en) | Pressure balance type two-position three-way electromagnetic valve | |
| CN216742851U (en) | Electromagnetic valve | |
| CN111946860A (en) | Three-way electromagnetic valve | |
| CN204512601U (en) | Magnetic switch integral valve | |
| CN208935456U (en) | Solenoid valve | |
| CN210123016U (en) | Electronic expansion valve | |
| CN116608288A (en) | Switch valve | |
| CN211288846U (en) | Two-position three-way electromagnetic valve | |
| JP3635725B2 (en) | 3-way solenoid valve | |
| CN113531194A (en) | Ultrashort-stroke ultralow-power-consumption self-holding pilot type electromagnetic valve and assembly thereof | |
| WO2022199253A1 (en) | Electromagnetic valve and electromagnetic valve assembly | |
| CN219453031U (en) | Two-position four-way pilot electromagnetic valve | |
| CN215214743U (en) | Normally open solenoid valve | |
| CN111677930A (en) | Normally open pilot head assembly of electromagnetic valve | |
| CN215568345U (en) | Diaphragm assembly and solenoid valve having the same | |
| CN112066026A (en) | Water supply ball valve | |
| CN209818872U (en) | Direct-conducting type electromagnetic valve | |
| CN213900061U (en) | Electromagnetic valve |
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 |