CN219282539U - Electromagnetic pulse valve cover - Google Patents
Electromagnetic pulse valve cover Download PDFInfo
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- CN219282539U CN219282539U CN202320218725.2U CN202320218725U CN219282539U CN 219282539 U CN219282539 U CN 219282539U CN 202320218725 U CN202320218725 U CN 202320218725U CN 219282539 U CN219282539 U CN 219282539U
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- electromagnetic pulse
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Abstract
The utility model discloses an electromagnetic pulse valve cover, comprising: the valve cover body is provided with a boss, the boss is provided with an exhaust hole, the bottom surface of the valve cover body is provided with a gas storage groove and a gas inlet guide hole, when the valve cover body is in butt joint with the diaphragm, the gas inlet guide hole corresponds to the diaphragm orifice, and a rear gas chamber is formed between the gas storage groove and the diaphragm; a flow guiding groove is arranged between the air inlet flow guiding hole and the air storage groove. In the exhaust process, high-pressure gas in the front air chamber enters the air inlet guide hole through the diaphragm orifice and flows into the rear air chamber through the guide groove, so that the flow direction of the gas is changed, the flow speed of the gas is reduced, the flow path of the gas is prolonged, the air supplementing speed of the rear air chamber is reduced, the exhaust is fast, the air supplementing is slow, the pressure difference is larger, the diaphragm is easier to jack up, and the air injection is facilitated.
Description
Technical Field
The utility model belongs to the technical field of electromagnetic pulse valves, and particularly relates to an electromagnetic pulse valve cover.
Background
The electromagnetic pulse valve is a diaphragm valve which is controlled by a pilot valve such as electromagnetic valve or pneumatic valve and can instantly open and close a high-pressure air source to generate pulse.
The valve cover belongs to an important component part of the electromagnetic pulse valve, the diaphragm is arranged between the valve cover and the valve body, a concave cavity is arranged at the bottom of the valve cover, and a rear air chamber is formed between the concave cavity and the diaphragm; when the air is exhausted, the air in the rear air chamber is exhausted from the exhaust hole, the high-pressure air entering the front air chamber directly enters the rear air chamber through the diaphragm orifice, a certain pressure difference is formed between the rear air chamber and the front air chamber, and the air in the front air chamber jacks up the diaphragm to perform air blowing; in the process, if the orifice of the diaphragm is too large or the pressure of the high-pressure gas is insufficient, the situation that the air supplementing speed and the air exhausting speed of the rear air chamber are not different is caused, and a large pressure difference is difficult to form, so that the gas of the front air chamber is unfavorable for jacking up the diaphragm.
Disclosure of Invention
The utility model aims to solve the technical problems in the prior art and provides an electromagnetic pulse valve cover, wherein in the exhaust process, high-pressure gas in a front gas chamber enters an air inlet guide hole through a diaphragm orifice and flows into a rear gas chamber through a guide groove, so that the flow direction of the gas is changed, the flow rate of the gas is reduced, and the flow path of the gas is prolonged, thereby slowing down the air supplementing speed of the rear gas chamber, leading the exhaust speed to be fast and the air supplementing speed to be slow, leading the pressure difference to be larger, leading the diaphragm to be easier to jack up, and being beneficial to gas blowing.
In order to solve the technical problems, the utility model adopts the following technical scheme:
an electromagnetic pulse valve cover comprising: valve gap body is equipped with the boss on the valve gap body, is equipped with exhaust hole on the boss, its characterized in that: the bottom surface of the valve cover body is provided with a gas storage groove and a gas inlet guide hole, when the valve cover body is in butt joint with the diaphragm, the gas inlet guide hole corresponds to the diaphragm orifice, and a rear gas chamber is formed between the gas storage groove and the diaphragm; a flow guiding groove is arranged between the air inlet flow guiding hole and the air storage groove. In the exhaust process, high-pressure gas in the front air chamber enters the air inlet guide hole through the diaphragm orifice and flows into the rear air chamber through the guide groove, so that the flow direction of the gas is changed, the flow speed of the gas is reduced, the flow path of the gas is prolonged, the air supplementing speed of the rear air chamber is reduced, the exhaust speed is high, the air supplementing speed is low, the pressure difference is larger, the diaphragm is easier to jack up, and the air injection is facilitated.
Further, a positioning groove is arranged in the gas storage groove and used for controlling the positioning height of the diaphragm.
Furthermore, the inner wall of the gas storage groove is obliquely arranged from outside to inside to form a gas guide surface, so that the gas is beneficial to centralizing towards the center of the gas storage groove, and the gas is discharged more smoothly; indirectly increases the volume of the gas storage groove, and further improves the gas storage capacity of the rear gas chamber.
Further, be equipped with fixed shrinkage pool in the gas storage recess, fixed shrinkage pool is used for spacing spring, has improved the installation convenience of spring on the one hand, and on the other hand can restrict spring circumference crooked, and fixed shrinkage pool communicates with each other with the exhaust hole, and the volume of gas storage recess has been increased in the setting of fixed shrinkage pool, and then has improved the air storage volume of back air chamber.
Further, be equipped with the mounting hole on the valve gap body, the screw cooperation of mounting hole and electromagnetic pulse valve body wears to establish bolted connection, has improved the convenience of assembly.
Further, be equipped with the bellying on the valve gap body, the mounting hole runs through the bellying, and its end is pushed down the bellying after the bolt installation, and the bellying plays the guard action to the hole edge of mounting hole, avoids the hole edge of mounting hole to warp because of receiving the great fastening force of bolt.
Further, the boss is connected to the bellying, and is held up each other, links into an organic whole, has improved the installation strength of bellying, boss, makes both be difficult for breaking away from the valve gap body more.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
in the exhaust process, high-pressure gas in the front air chamber enters the air inlet guide hole through the diaphragm orifice and flows into the rear air chamber through the guide groove, so that the flow direction of the gas is changed, the flow speed of the gas is reduced, the flow path of the gas is prolonged, the air supplementing speed of the rear air chamber is reduced, the exhaust is fast, the air supplementing is slow, the pressure difference is larger, and the diaphragm is easier to jack up, thereby being beneficial to gas blowing.
Drawings
The utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of a valve cover of an electromagnetic pulse valve according to the present utility model;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the bottom structure of the valve cover body according to the present utility model;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a schematic structural diagram of the connection between the valve cover body and the electromagnetic pulse valve body in the utility model.
In the figure: 1-a valve cover body; 2-mounting holes; 3-boss; 4-a membrane; 5-electromagnetic pulse valve body; 6-a boss; 7-exhaust holes; 8-a gas storage groove; 9-an intake deflector hole; 10-a diversion groove; 11-fixing concave holes; 12-a spring; 13-a rear air chamber; 14-front air chamber; 15-pulsed gas outlet; 16-an air guide surface; 17-positioning grooves; 18-diaphragm orifice.
Detailed Description
As shown in fig. 1 to 5, an electromagnetic pulse valve cover according to the present utility model comprises: the valve cover body 1 is provided with a mounting hole 2 and a boss 3, the mounting hole 2 is distributed around the boss 3, bolts sequentially penetrate through the mounting hole 2 and the mounting through hole on the diaphragm 4 and are connected with the screw hole on the electromagnetic pulse valve body 5, so that the diaphragm 4 is fixed between the valve cover body 1 and the electromagnetic pulse valve body 5, and the assembly is convenient.
The valve cover body 1 is provided with the bulge 6, the installation hole 2 penetrates through the bulge 6, the end of the installation hole is pressed against the bulge 6 after the bolt is installed, the bulge 6 plays a role in protecting the hole edge of the installation hole 2, and the deformation of the hole edge of the installation hole 2 due to the large fastening force of the bolt is avoided. The boss 3 is connected to the bellying 6, and is held up each other, and the integration has improved the installation strength of bellying 6, boss 3, makes both be difficult for breaking away from valve gap body 1 more.
The boss 3 is provided with an exhaust hole 7, the bottom surface of the valve cover body 1 is provided with a gas storage groove 8 and a gas inlet guide hole 9, the gas inlet guide hole 9 is positioned at the outer side of the gas storage groove 8, a guide groove 10 is arranged between the gas inlet guide hole 9 and the gas storage groove 8, after the valve cover body 1 is in butt joint with the diaphragm 4, the gas inlet guide hole 9 corresponds to the diaphragm orifice 18, and a rear air chamber 13 is formed between the gas storage groove 8 and the diaphragm 4.
In the exhaust process, the exhaust hole 7 is opened, gas in the rear air chamber 13 is exhausted, high-pressure gas enters the front air chamber 14 of the electromagnetic pulse valve body 5, the flow of the gas flowing out of the exhaust hole 7 is larger than the flow of the gas fed into the rear air chamber 13 through the diaphragm orifice 18 due to the throttling effect of the diaphragm orifice 18, the rear air chamber 13 is rapidly depressurized, the gas pressure of the front air chamber 14 jacks up the diaphragm 4, and the jetting port of the pulse gas outlet 15 is opened for gas jetting; the high-pressure gas in the front air chamber 14 enters the air inlet guide hole 9 through the diaphragm orifice 18 and flows into the rear air chamber 13 through the guide groove 10, so that the flow direction of the gas is changed, the flow speed of the gas is reduced, the flow path of the gas is prolonged, the air supplementing speed of the rear air chamber 13 is slowed down, the air exhausting is fast, the air supplementing is slow, the pressure difference is larger, and the diaphragm 4 is easier to jack up, thereby being beneficial to gas blowing.
The center of gas storage recess 8 is equipped with fixed shrinkage pool 11, and fixed shrinkage pool 11 is used for spacing spring 12, and the other end butt diaphragm 4 of spring 12 has improved the installation convenience of spring 12 on the one hand, and on the other hand fixed shrinkage pool 11 can restrict spring 12 circumference crooked, and fixed shrinkage pool 11 communicates with each other with exhaust hole 7, and the volume of gas storage recess 8 has been increased in the setting of fixed shrinkage pool 11, and then has improved the air storage volume of back air chamber 13.
The inner wall of the gas storage groove 8 is obliquely arranged from outside to inside to form a gas guide surface 16, so that gas is beneficial to centralizing towards the center of the gas storage groove 8, and the gas is discharged more smoothly; indirectly increases the volume of the air storage groove 8, thereby improving the air storage capacity of the rear air chamber 13.
The air storage groove 8 is internally provided with positioning grooves 17, the positioning grooves 17 are distributed around the fixed concave holes 11 as the center, the flow guide grooves 10 correspond to one of the positioning grooves 17, the positioning grooves 17 are communicated with the fixed concave holes 11 and the guide surface, and the positioning grooves 17 are used for controlling the positioning height of the diaphragm 4.
The above is only a specific embodiment of the present utility model, but the technical features of the present utility model are not limited thereto. Any simple changes, equivalent substitutions or modifications and the like made on the basis of the present utility model to solve the substantially same technical problems and achieve the substantially same technical effects are included in the scope of the present utility model.
Claims (7)
1. An electromagnetic pulse valve cover comprising:
the valve cover body is provided with a boss, the boss is provided with an exhaust hole,
the method is characterized in that:
the bottom surface of the valve cover body is provided with a gas storage groove and a gas inlet guide hole, when the valve cover body is in butt joint with the diaphragm, the gas inlet guide hole corresponds to the diaphragm orifice, and a rear gas chamber is formed between the gas storage groove and the diaphragm;
and a flow guide groove is arranged between the air inlet flow guide hole and the air storage groove.
2. An electromagnetic pulse valve cover as defined in claim 1, wherein: and a positioning groove is arranged in the gas storage groove and is used for controlling the positioning height of the diaphragm.
3. An electromagnetic pulse valve cover as defined in claim 1, wherein: the inner wall of the gas storage groove is obliquely arranged from outside to inside to form a gas guide surface.
4. An electromagnetic pulse valve cover as defined in claim 1, wherein: the gas storage groove is internally provided with a fixed concave hole which is used for limiting the spring, and the fixed concave hole is communicated with the exhaust hole.
5. An electromagnetic pulse valve cover as defined in claim 1, wherein: the valve cover body is provided with a mounting hole, and the mounting hole is connected with a screw hole of the electromagnetic pulse valve body in a matched penetrating manner through a bolt.
6. An electromagnetic pulse valve cover as defined in claim 5, wherein: the valve cover body is provided with a protruding portion, and the mounting hole penetrates through the protruding portion.
7. An electromagnetic pulse valve cover as defined in claim 6, wherein: the boss is connected with the boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320218725.2U CN219282539U (en) | 2023-01-15 | 2023-01-15 | Electromagnetic pulse valve cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320218725.2U CN219282539U (en) | 2023-01-15 | 2023-01-15 | Electromagnetic pulse valve cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219282539U true CN219282539U (en) | 2023-06-30 |
Family
ID=86925940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320218725.2U Active CN219282539U (en) | 2023-01-15 | 2023-01-15 | Electromagnetic pulse valve cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219282539U (en) |
-
2023
- 2023-01-15 CN CN202320218725.2U patent/CN219282539U/en active Active
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