CN216201038U - Electromagnetic valve with water attack prevention function - Google Patents
Electromagnetic valve with water attack prevention function Download PDFInfo
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- CN216201038U CN216201038U CN202122435570.1U CN202122435570U CN216201038U CN 216201038 U CN216201038 U CN 216201038U CN 202122435570 U CN202122435570 U CN 202122435570U CN 216201038 U CN216201038 U CN 216201038U
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Abstract
The utility model discloses a solenoid valve of function is prevented water hammer in area, it relates to solenoid valve technical field. The electromagnetic valve comprises an electromagnetic valve head, a gland and a valve seat which are sequentially connected from top to bottom through a connecting piece, wherein the lower part of the gland is sleeved in a groove body formed in the top of the valve seat, a water inlet hole is formed in the left side of the valve seat, a water through hole is formed in the center of the valve seat, and a diaphragm assembly used for controlling the water inlet hole and the water through hole to be communicated or blocked is arranged between the lower part of the gland and the valve seat. After the technical scheme is adopted, the utility model has the beneficial effects that: the water hammer is effectively slowed down, the vibration and noise of the pipeline caused by the water hammer are reduced, the use effect is improved, and the service life is prolonged.
Description
Technical Field
The utility model relates to the technical field of electromagnetic valves, in particular to an electromagnetic valve with a water attack prevention function.
Background
An Electromagnetic valve (Electromagnetic valve) is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is not limited to hydraulic pressure and pneumatic pressure. Used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured. When the traditional electromagnetic valve is used, the phenomenon of larger water hammer generated in the moment of water flow closing exists, and the requirement of the industry standard on the water hammer performance test cannot be met. The water hammer phenomenon can cause pipeline vibrations under the higher condition of water pressure, produces the noise, and the vibrations of pipeline also leads to each connection position to appear becoming flexible easily and arousing to reveal, and the result of use is unsatisfactory. Therefore, a new type of solenoid valve with a water hammer prevention function is needed to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and shortcomings of the prior art, and provides the electromagnetic valve with the water hammer prevention function, which effectively slows down the water hammer phenomenon, reduces the pipeline vibration and noise caused by the water hammer, improves the use effect, prolongs the service life, has strong practicability and great popularization value.
In order to achieve the purpose, the utility model adopts the following technical scheme: the electromagnetic valve comprises an electromagnetic valve head, a gland and a valve seat which are sequentially connected from top to bottom through a connecting piece, wherein the lower part of the gland is sleeved in a groove body formed in the top of the valve seat, a water inlet hole is formed in the left side of the valve seat, a water through hole is formed in the center of the valve seat, and a diaphragm assembly used for controlling the communication or blocking of the water inlet hole and the water through hole is arranged between the lower part of the gland and the valve seat;
a hydraulic balance cavity is formed between the diaphragm assembly and the gland, and a hole cleaning spring capable of assisting the diaphragm assembly to move up and down is arranged in the hydraulic balance cavity;
a channel is arranged above the water pressure balance cavity of the gland, and a plug is abutted on a communicating hole of the channel and the water pressure balance cavity;
the right side wall of the valve seat is provided with a diversion trench for communicating the channel with the water through hole;
the membrane assembly comprises a membrane and a membrane frame connected to the membrane, and the bottom of the membrane assembly is in sealing butt joint with the water through hole;
a balance water inlet hole for communicating the water pressure balance cavity with the water inlet hole is formed in the left side of the diaphragm frame;
the maximum stroke of the diaphragm frame moving up and down in the water pressure balance cavity is 2-4mm
The upper end left side of the hole cleaning spring is integrally connected with a through needle, the through needle vertically penetrates into the balance water inlet hole downwards, and the size of a gap formed by connecting the through needle and the balance water inlet hole is 0.1-0.3 mm.
The connecting pieces are screws, and the number of the screws for connecting the electromagnetic valve head, the gland and the valve seat is four.
The valve seat is positioned at the left side of the water inlet hole and is fixedly connected with the water inlet end, and the valve seat is positioned below the water passing hole and is fixedly connected with the water outlet end.
The maximum stroke of the diaphragm frame moving up and down in the water pressure balance cavity is 2.5 mm.
The top of the water pressure balance cavity is provided with an annular bulge used for clamping the top of the hole cleaning spring, and a plurality of guide pillars which are distributed annularly and used for clamping the bottom of the hole cleaning spring are arranged on the diaphragm frame right below the annular bulge.
The hole cleaning spring is arranged in a horn shape with a large upper part and a small lower part.
The clearance formed by connecting the through needle and the balance water inlet hole is 0.15 mm.
The diaphragm frame comprises a base part and a convex column which are connected up and down, a groove is formed in the convex column, the end part of the diaphragm close to the water passing hole is embedded into the groove, the end part of the diaphragm far away from the water passing hole extends upwards and is folded back to form an annular groove, and the annular groove is matched with the bottom of the gland.
The end cap is clamped and fixed at the bottom end of a movable iron core arranged in the electromagnetic valve head.
After adopting above-mentioned technical scheme, compare in prior art and have following beneficial effect: the effect of closing water flow in a delayed manner is realized through the water passing area of the effective control water passing holes such as the hole cleaning spring, the balance water inlet hole matched through needle and the like, the water hammer phenomenon is greatly slowed down, the noise is reduced, the service life of the electromagnetic valve is prolonged, the use cost is reduced, and the electromagnetic valve has great popularization value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic illustration of an explosive structure of the present invention;
FIG. 3 is a schematic perspective view of a diaphragm assembly of the present invention;
FIG. 4 is a front cross-sectional view of a diaphragm assembly of the present invention;
FIG. 5 is a top view of the diaphragm assembly of the present invention;
FIG. 6 is a schematic view of the structure of the gland 2 of the present invention;
fig. 7 is a sectional view a-a corresponding to fig. 6.
Description of reference numerals: the device comprises an electromagnetic valve head 1, a movable iron core 11, a plug 111, a gland 2, a valve seat 3, a water through hole 31, a water inlet end 32, a water outlet end 33, a water pressure balance cavity 4, an annular bulge 41, a hole cleaning spring 5, a through needle 51, a channel 6, a diaphragm 7, a diaphragm frame 71, a balance water inlet hole 711 and a guide pillar 712.
Detailed Description
Referring to fig. 1 to 7, the technical solution adopted by the present embodiment is: the electromagnetic valve comprises an electromagnetic valve head 1, a gland 2 and a valve seat 3 which are sequentially connected from top to bottom through a connecting piece, wherein the lower part of the gland 2 is sleeved in a groove body formed in the top of the valve seat 3, a water inlet hole is formed in the left side of the valve seat 3, a water through hole 31 is formed in the center of the valve seat 3, and a diaphragm assembly for controlling the communication or blocking of the water inlet hole and the water through hole 31 is arranged between the lower part of the gland 2 and the valve seat 3;
a water pressure balance cavity 4 is formed between the diaphragm assembly and the gland 2, and a hole cleaning spring 5 capable of assisting the diaphragm assembly to move up and down is arranged in the water pressure balance cavity 4;
a channel 6 is arranged above the water pressure balance cavity 4 of the gland 2, and a plug 111 is abutted on a communicating hole of the channel 6 and the water pressure balance cavity 4;
a diversion trench for communicating the channel 6 with the water through hole 31 is formed in the right side wall of the valve seat 3;
the membrane assembly comprises a membrane 7 and a membrane frame 71 connected to the membrane 7, and the bottom of the membrane assembly is in sealing butt joint with the water through hole 31;
a balance water inlet hole 711 for communicating the water pressure balance cavity 4 with a water inlet hole is formed in the left side of the diaphragm frame 71;
the maximum stroke of the up-and-down movement of the diaphragm frame 71 in the water pressure balance cavity 4 is 2-4 mm;
the upper end of the hole cleaning spring 5 is integrally connected with a through needle 51 at the left side, the through needle 51 vertically penetrates into the balance water inlet hole 711 downwards, and the size of a gap formed by connecting the through needle 51 and the balance water inlet hole 711 is 0.1-0.3 mm.
The connecting pieces are screws, and the number of the screws for connecting the electromagnetic valve head 1, the gland 2 and the valve seat 3 is four.
The valve seat 3 is located on the left side of the water inlet hole and is fixedly connected with a water inlet end 32, and the valve seat 3 is located below the water passing hole 31 and is fixedly connected with a water outlet end 33.
Wherein the maximum stroke of the up-and-down movement of the diaphragm frame 71 in the water pressure balance cavity 4 is 2.5 mm.
The top of the water pressure balance cavity 4 is provided with an annular bulge 41 for clamping the top of the hole cleaning spring 5, and the film frame 71 which is positioned right below the annular bulge 41 is provided with a plurality of guide posts 712 which are distributed annularly and are used for clamping the bottom of the hole cleaning spring 5.
Wherein, the hole cleaning spring 5 is arranged in a horn shape with a big top and a small bottom.
Wherein, the gap formed by the connection of the through needle 51 and the balance water inlet hole 711 is 0.15 mm.
The diaphragm frame 71 comprises a base part and a convex column which are connected up and down, a groove is formed in the convex column, the end part of the diaphragm 7 close to the water passing hole 31 is embedded into the groove, the end part of the diaphragm 7 far away from the water passing hole 31 extends upwards and is folded back to form an annular groove, and the annular groove is matched with the bottom of the gland 2.
The plug 111 is clamped and fixed at the bottom end of a movable iron core 11 arranged inside the electromagnetic valve head 1.
The working principle of the utility model is as follows: when the electromagnetic valve is opened, namely the plug rises to enable the pressure regulating cavity and the water pressure balancing cavity to be in a communicated state, at the moment, the water flow in the water pressure balancing cavity is discharged through the water through hole of the valve seat through the channel, the diaphragm assembly is lifted upwards under the action of the pressure difference of high pressure at the water inlet end and low pressure at the water outlet end, and the water flow directly flows out of the water outlet of the valve seat; when the electromagnetic valve is closed, the plug descends to abut against the communicating hole of the channel, the channel is not communicated with the water pressure balance cavity at the moment, water entering through a gap formed by the balance water inlet hole and the through needle accumulates in the water pressure balance cavity to gradually form pressure and is matched with restoring force of the hole cleaning spring to enable the diaphragm assembly to enable the water passing hole to be slowly closed, the water hammer phenomenon is effectively reduced, and the using effect is improved.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. The utility model provides a take solenoid valve of waterproof function that hits which characterized in that: the electromagnetic valve comprises an electromagnetic valve head, a gland and a valve seat which are sequentially connected from top to bottom through a connecting piece, wherein the lower part of the gland is sleeved in a groove body formed in the top of the valve seat, a water inlet hole is formed in the left side of the valve seat, a water through hole is formed in the center of the valve seat, and a diaphragm assembly used for controlling the communication or blocking of the water inlet hole and the water through hole is arranged between the lower part of the gland and the valve seat;
a hydraulic balance cavity is formed between the diaphragm assembly and the gland, and a hole cleaning spring capable of assisting the diaphragm assembly to move up and down is arranged in the hydraulic balance cavity;
a channel is arranged above the water pressure balance cavity of the gland, and a plug is abutted on a communicating hole of the channel and the water pressure balance cavity;
the right side wall of the valve seat is provided with a diversion trench for communicating the channel with the water through hole;
the membrane assembly comprises a membrane and a membrane frame connected to the membrane, and the bottom of the membrane assembly is in sealing butt joint with the water through hole;
a balance water inlet hole for communicating the water pressure balance cavity with the water inlet hole is formed in the left side of the diaphragm frame;
the maximum stroke of the diaphragm frame moving up and down in the water pressure balance cavity is 2-4 mm;
the upper end left side of the hole cleaning spring is integrally connected with a through needle, the through needle vertically penetrates into the balance water inlet hole downwards, and the size of a gap formed by connecting the through needle and the balance water inlet hole is 0.1-0.3 mm.
2. The electromagnetic valve with the water hammer prevention function according to claim 1, characterized in that: the connecting pieces are screws, and the number of the screws for connecting the electromagnetic valve head, the gland and the valve seat is four.
3. The electromagnetic valve with the water hammer prevention function according to claim 1, characterized in that: the valve seat is positioned at the left side of the water inlet hole and is fixedly connected with the water inlet end, and the valve seat is positioned below the water passing hole and is fixedly connected with the water outlet end.
4. The electromagnetic valve with the water hammer prevention function according to claim 1, characterized in that: the maximum stroke of the diaphragm frame moving up and down in the water pressure balance cavity is 2.5 mm.
5. The electromagnetic valve with the water hammer prevention function according to claim 1, characterized in that: the top of the water pressure balance cavity is provided with an annular bulge used for clamping the top of the hole cleaning spring, and a plurality of guide pillars which are distributed annularly and used for clamping the bottom of the hole cleaning spring are arranged on the diaphragm frame right below the annular bulge.
6. The electromagnetic valve with the water hammer prevention function according to claim 1, characterized in that: the hole cleaning spring is arranged in a horn shape with a large upper part and a small lower part.
7. The electromagnetic valve with the water hammer prevention function according to claim 1, characterized in that: the clearance formed by connecting the through needle and the balance water inlet hole is 0.15 mm.
8. The electromagnetic valve with the water hammer prevention function according to claim 1, characterized in that: the diaphragm frame comprises a base part and a convex column which are connected up and down, a groove is formed in the convex column, the end part of the diaphragm close to the water passing hole is embedded into the groove, the end part of the diaphragm far away from the water passing hole extends upwards and is folded back to form an annular groove, and the annular groove is matched with the bottom of the gland.
9. The electromagnetic valve with the water hammer prevention function according to claim 1, characterized in that: the end cap is clamped and fixed at the bottom end of a movable iron core arranged in the electromagnetic valve head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122435570.1U CN216201038U (en) | 2021-10-09 | 2021-10-09 | Electromagnetic valve with water attack prevention function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122435570.1U CN216201038U (en) | 2021-10-09 | 2021-10-09 | Electromagnetic valve with water attack prevention function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216201038U true CN216201038U (en) | 2022-04-05 |
Family
ID=80862859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122435570.1U Active CN216201038U (en) | 2021-10-09 | 2021-10-09 | Electromagnetic valve with water attack prevention function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216201038U (en) |
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2021
- 2021-10-09 CN CN202122435570.1U patent/CN216201038U/en active Active
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