CN220622913U - Mute structure for electromagnetic valve and electromagnetic diaphragm valve - Google Patents
Mute structure for electromagnetic valve and electromagnetic diaphragm valve Download PDFInfo
- Publication number
- CN220622913U CN220622913U CN202322095645.5U CN202322095645U CN220622913U CN 220622913 U CN220622913 U CN 220622913U CN 202322095645 U CN202322095645 U CN 202322095645U CN 220622913 U CN220622913 U CN 220622913U
- Authority
- CN
- China
- Prior art keywords
- iron core
- valve
- movable iron
- fixed iron
- groove
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 132
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 239000012530 fluid Substances 0.000 claims abstract description 20
- 238000002955 isolation Methods 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 10
- 239000004519 grease Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 239000003566 sealing material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 230000001050 lubricating effect Effects 0.000 description 5
- 239000005060 rubber Substances 0.000 description 4
- 238000013016 damping Methods 0.000 description 2
- 230000030279 gene silencing Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000001743 silencing effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a mute structure for an electromagnetic valve, which comprises fixed iron cores, movable iron cores and seamless pipes, wherein the fixed iron cores and the movable iron cores are arranged at intervals, the seamless pipes are pipe bodies with closed bottoms and open upper ends, gaps for the movable iron cores to move are reserved between the bottoms of the seamless pipes and the bottoms of the fixed iron cores, the upper ends of the seamless pipes are in sealing connection with the fixed iron cores, closed cavities are formed among the seamless pipes, the fixed iron cores and the movable iron cores, and high-viscosity fluid is filled in the closed cavities. The utility model also discloses an electromagnetic diaphragm valve comprising the mute structure. According to the mute structure for the electromagnetic valve, the movable area of the movable iron core is sealed into the closed cavity through the seamless pipe, and the high-viscosity fluid is filled in the closed cavity, so that the action of the movable iron core is slowed down, the impact of the movable iron core during collision is restrained, and the noise generated when the electromagnetic valve is opened and closed is reduced.
Description
Technical Field
The utility model relates to the technical field of electromagnetic valves, in particular to a mute structure for an electromagnetic valve and an electromagnetic diaphragm valve.
Background
Solenoid valves are electromagnetic controlled industrial equipment, are automatic basic elements for controlling fluids, and belong to actuators, 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 existing electromagnetic valve for improving the silencing performance is characterized in that a damping component similar to a rubber damper is arranged between a movable iron core and a fixed iron core, but the damping component has large hardness and size change due to aging, so that the noise is gradually increased; in addition, even if the damper assembly is arranged between the movable iron core and the fixed iron core, only noise generated by collision between the movable iron core and the fixed iron core can be reduced, and the sound of collision between the movable iron core and the valve seat when the electromagnetic valve is closed cannot be reduced.
Therefore, the utility model provides a novel electromagnetic valve silencing structure.
Disclosure of Invention
To overcome the above drawbacks, an object of the present utility model is to provide a mute structure for an electromagnetic valve and an electromagnetic diaphragm valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a mute structure for a solenoid valve includes
The movable iron core and the fixed iron core are arranged at intervals along the first direction;
the coil is wound on the outer sides of the fixed iron core and the movable iron core, and when the coil is electrified, the movable iron core can move along a first direction;
the seamless tube is a tube body with an opening at the upper end, the seamless tube is sleeved on a fixed iron core and a movable iron core along a first direction, a gap for the movable iron core to move is reserved between the bottom of the seamless tube and the bottom of the fixed iron core, the upper end of the seamless tube is in sealing connection with the fixed iron core, a closed cavity is formed between the seamless tube and the fixed iron core as well as between the seamless tube and the movable iron core, and the closed cavity is filled with high-viscosity fluid.
According to the mute structure for the electromagnetic valve, the movable area of the movable iron core is sealed into the closed cavity through the seamless pipe, and the high-viscosity fluid is filled in the closed cavity, so that the action of the movable iron core is slowed down, the impact of the movable iron core during collision is restrained, and the noise generated when the electromagnetic valve is opened and closed is reduced.
Further, one of the movable iron core and the fixed iron core is provided with a groove, an elastic piece is arranged in the groove, one end of the elastic piece is connected with the bottom of the fixed iron core or the top of the movable iron core, the other end of the elastic piece is connected with the bottom of the groove, and high-viscosity fluid is filled in the groove.
The groove is used for accommodating a reset spring of the electromagnetic valve, high-viscosity liquid is filled in the groove, and when the valve is opened and closed, the reset and stretching processes of the spring are slowed down, so that the moving speed of the movable iron core is further restrained, and the noise is reduced.
Furthermore, the seamless tube is in sealing connection with the fixed iron core through an O-shaped gasket, and the seamless tube and the fixed iron core are in sealing connection with each other through sealing materials or in a welding mode.
The fixed iron core is connected with the seamless pipe in a sealing way, so that the high-viscosity fluid is prevented from overflowing.
Further, the high viscosity fluid is grease.
And grease is selected as the filled high-viscosity fluid, so that the cost is low.
Further, the seamless tube is made of stainless steel.
The seamless pipe made of stainless steel is not easy to deform, and the normal operation of the electromagnetic valve is not influenced.
The utility model also provides an electromagnetic diaphragm valve, which comprises
Any one of the above mute structures for solenoid valves;
the tubular valve seat comprises a water inlet and a water outlet, the water inlet is provided with a water inlet channel, the water outlet is provided with a water outlet channel, a transfer groove is concavely formed in the wall of the tubular valve seat, a transfer opening is formed in the bottom of the transfer groove, and the water inlet channel and the water outlet channel are connected into the transfer groove through the transfer opening in the bottom of the transfer groove to form a liquid channel in the valve; an isolation diaphragm is arranged in the switching groove, the isolation diaphragm is arranged above the switching opening, the isolation diaphragm is used for opening or closing a liquid channel in the valve, the inner diameter of the isolation diaphragm is larger than the diameter of the switching opening, a penetrating opening for penetrating the isolation diaphragm is formed in the bottom of the seamless pipe, the isolation diaphragm penetrates through the penetrating opening and is connected with the bottom of the seamless pipe in a sealing mode, and the top of the isolation diaphragm is connected with the bottom of the movable iron core;
the valve cover is arranged above the switching groove, and the mute structure for the electromagnetic valve is arranged in the valve cover.
According to the electromagnetic diaphragm valve provided by the utility model, a fluid-sealed mute structure is adopted, the movable area of the movable iron core is sealed into a sealed cavity through the seamless pipe, and the sealed cavity is filled with high-viscosity fluid, so that the action of the movable iron core is slowed down, and the impact of the movable iron core during collision is restrained; when the electromagnetic diaphragm valve is closed, the movable iron core moves downwards, and as the closed space at the bottom of the movable iron core is filled with high-viscosity fluid, the action of the movable iron core is slowed down, the impact of the movable iron core on the valve seat is restrained, and the silencing effect is achieved; when the electromagnetic diaphragm valve is opened, the movable iron core moves upwards, and as the high-viscosity fluid is filled in the closed cavity between the movable iron core and the fixed iron core, the action of the movable iron core is slowed down, the impact of the movable iron core on the fixed iron core is restrained, and the silencing effect is achieved.
Further, the movable iron core is connected with the isolation diaphragm through threads or adhesion.
The movable iron core and the isolation diaphragm are connected by adopting threaded connection or adhesive connection, so that the connection is stable.
Further, the seamless pipe and the isolation diaphragm are connected in a sealing mode through a sealing ring.
The isolation diaphragm and the seamless tube are connected in a sealing way, so that the high-viscosity fluid is prevented from overflowing.
Further, the isolation diaphragm is a diaphragm with thin two sides and thick middle.
The service life of the isolation diaphragm is prolonged.
Drawings
FIG. 1 is a schematic cross-sectional view of a preferred embodiment of a mute structure for a solenoid valve according to the present utility model;
FIG. 2 is a schematic cross-sectional view of an electromagnetic diaphragm valve of the present utility model;
in the figure: 1. mute structure 11 for electromagnetic valve, coil 12, fixed iron core 13, movable iron core 14, seamless pipe 15, high viscosity fluid 16, groove 17, return spring
2. Electromagnetic diaphragm valve 21, tubular valve seat 211, water inlet 212, water inlet channel 213, water outlet 214, water outlet channel 215, transfer groove 216, transfer opening 217, isolation diaphragm 218, through opening 22, valve seat
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
The high-viscosity fluid mentioned in the utility model has a kinematic viscosity of more than 16mm at normal temperature and pressure 2 Liquid/s.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to FIG. 1, the mute structure 1 for electromagnetic valve provided by the present utility model comprises
A fixed iron core 12 and a movable iron core 13, wherein the fixed iron core 12 and the movable iron core 13 are arranged at intervals along the first direction;
a coil 11, the coil 11 being wound on the outer sides of the fixed iron core 12 and the movable iron core 13;
the movable iron core 13 is connected with the fixed iron core 12 through a return spring 17, a groove 16 for accommodating the return spring 17 is formed in the middle of the top end of the movable iron core 13, the top of the return spring 17 is connected with the bottom of the fixed iron core 12, and the bottom of the return spring 17 is connected with the bottom of the groove 16;
the elastic member includes, but is not limited to, a return spring, and may also be other elastic members such as rubber strips, rubber bands, and the like.
The placement of the grooves includes, but is not limited to, the top middle of the movable core.
When the coil 11 is electrified, the movable iron core 13 and the fixed iron core 12 are magnetized, the movable iron core 13 acts away from the fixed iron core 12, and the return spring 17 is in a stretched state; when the coil 11 is powered off, the movable iron core 13 and the fixed iron core 12 lose magnetism, and the elastic force of the return spring pulls the movable iron core 13 to return to the original position.
A seamless pipe 14 provided on the movable iron core 13 and the fixed iron core 12 in a first direction (x direction shown in the figure), wherein a side wall of the seamless pipe 14 is spaced from the fixed iron core 12 and the movable iron core 13; the seamless pipe 14 is a stainless steel pipe, the bottom of the seamless pipe 14 is closed, a movable gap is formed between the bottom of the seamless pipe 14 and the bottom of the movable iron core 13, and the movable iron core 13 moves up and down; the seamless tube 14 is in sealing connection with the fixed iron core 12 in a fusion manner, a closed cavity is formed between the seamless tube 14 and the fixed iron core 12 and between the seamless tube 14 and the movable iron core 13, and lubricating grease is filled in the closed cavity (hatched filling part in the figure);
the sealing connection mode of the seamless pipe 14 and the fixed iron core 12 includes, but is not limited to, a welding mode, and may be a sealing connection mode such as an O-ring gasket sealing connection and a sealing material sealing connection.
When the coil 11 is not electrified, the top of the movable iron core 13 is in a fitting state with the bottom of the fixed iron core 12, the reset spring 17 is in a free state, and most of high-viscosity fluid is positioned at the bottom of the movable iron core;
the coil 11 is electrified, the movable iron core 13 and the fixed iron core 12 are magnetized, repulsive force is generated between the two, the movable iron core 13 is pushed to be far away from the fixed iron core 12, the return spring 17 is stretched, and lubricating grease in the groove 16 generates certain resistance to the stretching of the return spring 17; the movable iron core 13 moves towards the bottom of the seamless pipe 14, the lubricating grease is pressed to flow to the gap between the movable iron core and the fixed iron core through the gap between the side wall of the seamless pipe 14 and the movable iron core 13, the movable iron core 13 receives resistance, the action is slowed down, the impact of the movable iron core 13 during collision is restrained, and the noise is reduced;
when the coil 11 is powered off and the movable iron core 13 and the fixed iron core 12 lose magnetism, at the moment, the elastic force of the return spring 17 pulls the movable iron core 13 to be close to the fixed iron core 12, the return spring 17 gradually returns to a free state, lubricating grease in the groove 16 generates certain resistance to the return process of the return spring 17, the movable iron core 13 extrudes the lubricating grease to flow along a gap between the side wall of the seamless pipe and the movable iron core 13 to a gap between the bottom of the movable iron core 13 and the bottom of the seamless pipe 14, the movable iron core 13 is subjected to resistance, the action is slowed down, the impact when the top of the movable iron core 13 collides with the bottom of the fixed iron core 12 is restrained, and the noise is reduced.
The high viscosity fluid includes, but is not limited to, grease, but may also be rubber, paraffin, cellulose acetate, and the like.
Referring to fig. 2, the present embodiment provides a solenoid diaphragm valve 2 employing a mute structure 1 for a solenoid valve, comprising
The mute structure 1 for solenoid valve described above;
a tubular valve seat 21, wherein a water inlet 211 is arranged at one side of the tubular valve seat 21, and a water inlet channel 212 is arranged at the water inlet 211; a water outlet 213 is arranged on the other side of the tubular valve seat 21, a water outlet channel 214 is arranged on the water outlet 213, a switching groove 215 is concavely arranged on the upper pipe wall of the tubular valve seat 21, a switching opening 216 is arranged at the bottom of the switching groove 215, and the water inlet channel 212 and the water outlet channel 214 are connected into the switching groove 215 through the switching opening 216 at the bottom of the switching groove 215 to form a liquid channel in the valve; an isolation diaphragm 217 is arranged in the switching groove 215, the isolation diaphragm 217 is arranged above the switching opening 216, the isolation diaphragm 217 is used for opening or closing a liquid channel in the valve, and the inner diameter of the isolation diaphragm 217 is larger than the diameter of the switching opening 216; the isolating diaphragm 217 is a diaphragm with thin two sides and thick middle; the bottom of the seamless pipe 14 is provided with a penetrating opening 218, the isolating diaphragm 217 penetrates through the penetrating opening 218 and is connected with the bottom of the seamless pipe in a sealing way through a sealing ring, and the top of the isolating diaphragm 217 is connected with the bottom of the movable iron core 13 through threads;
the valve cover 22 is arranged above the switching groove 215, and the mute structure for the electromagnetic valve is arranged in the valve cover 22.
When the electromagnetic diaphragm valve 2 needs to be closed, the coil 11 is electrified, the movable iron core 13 moves towards the bottom direction of the seamless pipe 14, the isolation diaphragm 217 is pushed to block the switching opening 216 at the bottom of the switching groove, the liquid channel in the valve is disconnected, and the valve is closed; when the electromagnetic diaphragm valve 2 needs to be opened, the coil 11 is powered off, the movable iron core 13 moves towards the fixed iron core 12 to drive the isolating diaphragm 217 to leave the switching opening 216, the liquid channels in the valve are communicated, and the valve is opened.
The top of the isolation diaphragm 217 is connected to the bottom of the movable core 13 by a means including, but not limited to, a threaded connection, but may also be an adhesive connection.
The sealing connection between the seamless pipe 14 and the isolation diaphragm 217 may be, but not limited to, a sealing connection by a sealing ring, a sealing connection by a sealing material, a welding connection, or the like.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (9)
1. A mute structure for electromagnetic valve is characterized by comprising
The movable iron core and the fixed iron core are arranged at intervals along the first direction;
the coil is wound on the outer sides of the fixed iron core and the movable iron core, and when the coil is electrified, the movable iron core can move along a first direction;
the seamless tube is a tube body with an opening at the upper end, the seamless tube is sleeved on a fixed iron core and a movable iron core along a first direction, a gap for the movable iron core to move is reserved between the bottom of the seamless tube and the bottom of the fixed iron core, the upper end of the seamless tube is in sealing connection with the fixed iron core, a closed cavity is formed between the seamless tube and the fixed iron core as well as between the seamless tube and the movable iron core, and the closed cavity is filled with high-viscosity fluid.
2. The mute structure of claim 1, wherein one of the movable iron core and the fixed iron core is provided with a groove, an elastic member is arranged in the groove, one end of the elastic member is connected with the bottom of the fixed iron core or the top of the movable iron core, the other end of the elastic member is connected with the bottom of the groove, and the groove is filled with high-viscosity fluid.
3. The mute structure of claim 1, wherein the sealing connection between the seamless tube and the fixed iron core is an O-ring gasket sealing connection, a sealing material sealing connection or a welding sealing connection.
4. The mute structure of claim 1, wherein the high viscosity fluid is grease.
5. A mute structure for a solenoid valve as claimed in claim 1, wherein said seamless tube is of stainless steel.
6. An electromagnetic diaphragm valve, characterized by comprising
The mute structure of any one of claims 1 to 5;
the tubular valve seat comprises a water inlet and a water outlet, the water inlet is provided with a water inlet channel, the water outlet is provided with a water outlet channel, a transfer groove is concavely formed in the wall of the tubular valve seat, a transfer opening is formed in the bottom of the transfer groove, and the water inlet channel and the water outlet channel are connected into the transfer groove through the transfer opening in the bottom of the transfer groove to form a liquid channel in the valve; an isolation diaphragm is arranged in the switching groove, the isolation diaphragm is arranged above the switching opening, the isolation diaphragm is used for opening or closing a liquid channel in the valve, the inner diameter of the isolation diaphragm is larger than the diameter of the switching opening, a penetrating opening for penetrating the isolation diaphragm is formed in the bottom of the seamless pipe, the isolation diaphragm penetrates through the penetrating opening and is connected with the bottom of the seamless pipe in a sealing mode, and the top of the isolation diaphragm is connected with the bottom of the movable iron core;
the valve cover is arranged above the switching groove, and the mute structure for the electromagnetic valve is arranged in the valve cover.
7. The electromagnetic diaphragm valve of claim 6, wherein the movable core is connected to the isolation diaphragm by a threaded connection or an adhesive connection.
8. The electromagnetic diaphragm valve of claim 6, wherein the sealing connection between the seamless tube and the isolation diaphragm is a sealing ring sealing connection.
9. The electromagnetic diaphragm valve of claim 6, wherein the isolation diaphragm is a thin on both sides and thick in the middle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322095645.5U CN220622913U (en) | 2023-08-04 | 2023-08-04 | Mute structure for electromagnetic valve and electromagnetic diaphragm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322095645.5U CN220622913U (en) | 2023-08-04 | 2023-08-04 | Mute structure for electromagnetic valve and electromagnetic diaphragm valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220622913U true CN220622913U (en) | 2024-03-19 |
Family
ID=90227716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322095645.5U Active CN220622913U (en) | 2023-08-04 | 2023-08-04 | Mute structure for electromagnetic valve and electromagnetic diaphragm valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220622913U (en) |
-
2023
- 2023-08-04 CN CN202322095645.5U patent/CN220622913U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6000508A (en) | Vibration damper and a damping valve with adjustable damping force for a vibration damper | |
| CN85108667A (en) | Fluid flow control valve and controlling method | |
| CN220622913U (en) | Mute structure for electromagnetic valve and electromagnetic diaphragm valve | |
| CN101294610B (en) | Vibration damper with amplitude-selective damping force | |
| CN204083444U (en) | Diaphragm type medical electric magnet valve | |
| CN102261510A (en) | Electromagnetic valve | |
| KR20240042161A (en) | Electromagnetic valve and air conditioning system equipped with the same | |
| CN107859760B (en) | Two-way stop valve | |
| CN102301169B (en) | A servo valve | |
| CN210661322U (en) | Novel electromagnetic valve of automobile gear | |
| CN112361009B (en) | High-sealing wear-resistant ball valve | |
| DK3070383T3 (en) | servo valve | |
| CN205244487U (en) | Bivalve core solenoid valve | |
| CN218294474U (en) | Electromagnetic valve assembly | |
| CN218598819U (en) | Electromagnetic water valve with high sealing performance | |
| CN216343576U (en) | Normally open solenoid valve for automobile braking system | |
| CN218152365U (en) | Pilot head assembly and electromagnetic valve | |
| CN216618687U (en) | Angular travel valve | |
| CN210397889U (en) | Miniature electromagnetic valve | |
| CN216112428U (en) | Electromagnetic valve and air conditioning system with same | |
| CN115978227B (en) | Pilot-operated two-position four-way solenoid valve | |
| CN220302836U (en) | One-way valve | |
| CN210484628U (en) | Electromagnetic valve for refrigerating system | |
| CN217003344U (en) | Self-control coaxial stop valve | |
| CN112178234B (en) | Flow-adjustable ball valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |