CN212804253U - Pressure reducing valve with air inlet switch for adjustment - Google Patents
Pressure reducing valve with air inlet switch for adjustment Download PDFInfo
- Publication number
- CN212804253U CN212804253U CN202021316076.2U CN202021316076U CN212804253U CN 212804253 U CN212804253 U CN 212804253U CN 202021316076 U CN202021316076 U CN 202021316076U CN 212804253 U CN212804253 U CN 212804253U
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- valve
- air inlet
- cavity
- valve core
- rod
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- 238000007789 sealing Methods 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
A pressure reducing valve with an air inlet switch for regulation comprises a valve body, a valve cover, a seat plate, a rubber film, a pressure spring, a connecting rod, a lever and a valve core, wherein an air outlet interface and a valve core seat are arranged on the valve body; the center of the bottom of the valve body is provided with an air inlet interface and a valve cavity communicated with the air inlet interface; the valve cavity comprises a switch valve core seat, an air inlet cavity, a valve rod channel and an internal thread cavity; the switch valve core seat is communicated with the air inlet interface; the switch valve core seat is provided with an air guide hole; the regulating rod piece comprises a switch regulating valve core, a rod part, a sealing rod part, an external thread body part and a hand wheel connecting part; the switch regulating valve core is matched with an air guide hole of the switch valve core seat, the rod part corresponds to the air inlet cavity, the sealing rod part is sealed with the valve rod channel, the external thread body part is screwed with the internal thread cavity part, and the hand wheel connecting part is connected with a hand wheel; the valve core seat is communicated with the air inlet cavity. Due to the adoption of the structure, the number of joints is reduced, the sealing performance is improved, and the use and the assembly are convenient.
Description
Technical Field
The utility model relates to a relief pressure valve.
Background
In the prior art, a pressure reducing valve comprises a valve body, a valve cover, a seat plate, a rubber film, a pressure spring, a connecting rod, a lever and a valve core, wherein an air outlet port, an air inlet port and a valve core seat are arranged on the valve body. There are problems: when in use, the air cylinder needs to be matched with a switch valve on the air cylinder.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the pressure reducing valve with the air inlet switch for adjustment is convenient to use and improves sealing performance by integrating the pressure reducing valve and the switch valve.
The utility model discloses a realize like this: a pressure reducing valve with an air inlet switch for regulation comprises a valve body, a valve cover, a seat plate, a rubber film, a pressure spring, a connecting rod, a lever and a valve core, wherein an air outlet interface and a valve core seat are arranged on the valve body; it is characterized in that: the center of the bottom of the valve body is provided with an air inlet interface and a valve cavity communicated with the air inlet interface;
the valve cavity comprises a switch valve core seat, an air inlet cavity, a valve rod channel and an internal thread cavity; the switch valve core seat is communicated with the air inlet interface; the switch valve core seat is provided with an air guide hole;
the regulating rod piece comprises a switch regulating valve core, a rod part, a sealing rod part, an external thread body part and a hand wheel connecting part;
the switch regulating valve core is matched with an air guide hole of the switch valve core seat, the rod part corresponds to the air inlet cavity, the sealing rod part is sealed with the valve rod channel, the external thread body part is screwed with the internal thread cavity part, and the hand wheel connecting part is connected with a hand wheel; the valve core seat is communicated with the air inlet cavity.
The pressure reducing valve with the air inlet switch for adjustment is characterized in that: the air inlet interface comprises a head cavity positioned at the upper part and an internal thread connecting cavity positioned at the lower part;
the air inlet part comprises a head part, an air outlet cavity arranged at the head part, a rod part, an axial air guide hole arranged at the rod part and a radial air inlet hole arranged at the rod part;
the rod part of the air inlet part penetrates through the sealing gasket, the sealing gasket is attached to the head part, the head part is inserted into the head part cavity, and the sealing gasket is attached to the top plate of the internal thread connection cavity.
The pressure reducing valve with the air inlet switch for adjustment is characterized in that: the rod part of the air inlet part is provided with an annular bulge;
the gasket is located on the stem between the annular protrusion and the head.
The utility model relates to a take relief pressure valve that air inlet switch adjusted owing to adopt such structure, has reduced the joint, has improved the leakproofness, uses, convenient assembling.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a perspective view of the present invention.
Fig. 3 is one of the exploded perspective views of the present invention.
Fig. 4 is a second exploded perspective view of the present invention.
Fig. 5 is a third exploded perspective view of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the pressure reducing valve with an air inlet switch for adjustment comprises a valve body 1, a valve cover 2, a seat plate 3, a rubber film 4, a pressure spring 5, a connecting rod 6, a lever 7 and a valve core 8, wherein an air outlet port 11 and a valve core seat 12 are arranged on the valve body 1;
the center of the bottom of the valve body 1 is provided with an air inlet interface 13 and a valve cavity 14 communicated with the air inlet interface;
the valve cavity 14 comprises a switching valve core seat 141, an air inlet cavity 142, a valve rod passage 143 and an internal thread cavity 144; the switch valve seat 141 is communicated with the air inlet interface 13; the switch valve core seat 141 is provided with an air guide hole;
the manual switch valve further comprises an adjusting rod 9 and a hand wheel 10, wherein the adjusting rod 9 comprises a switch adjusting valve core 91, a rod part 92, a sealing rod part 93, an external thread body part 94 and a hand wheel connecting part 95;
the switch regulating valve core 91 is matched with an air guide hole of the switch valve core seat 141, the rod part 92 corresponds to the air inlet cavity 142, the sealing rod part 93 is sealed with the valve rod channel 143, the external thread body part 94 is screwed with the internal thread cavity part 144, and the hand wheel connecting part 95 is connected with the hand wheel 10; the valve cartridge seat 12 communicates with the intake chamber 142. The state shown in fig. 1 is a state in which the switching regulator valve core 91 is tightly fitted to the switching valve core seat 141, and is in a closed state; the valve core 91 is separated from the valve core seat 141 by rotating 10, and the air passage is conducted and the air quantity is adjusted.
As a further improvement of the utility model: the air inlet port 13 comprises a head cavity 131 at the upper part and an internal thread connecting cavity 132 at the lower part, and the diameter of the internal thread connecting cavity 132 is larger than that of the head cavity 131;
the air inlet part 16 comprises a head part 161, an air outlet cavity arranged on the head part, a rod part 162, an axial air guide hole arranged on the rod part and a radial air inlet hole 163 arranged on the rod part, wherein the radial air inlet hole 163, the axial air guide hole and the air outlet cavity are sequentially communicated;
the rod part 162 of the air inlet part 16 penetrates through the sealing gasket 15, the sealing gasket 15 is attached to the head part 161, the head part 161 is inserted into the head part cavity 131, and the sealing gasket 15 is attached to the top plate of the internal thread connecting cavity 132.
The rod part 162 of the air inlet part 16 is provided with an annular bulge 164;
the seal 15 is located on the stem between the annular projection 164 and the head 161.
What has been described above is only a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the principle of the invention, which is also considered as the protection scope of the invention.
Claims (3)
1. A pressure reducing valve with an air inlet switch for regulation comprises a valve body, a valve cover, a seat plate, a rubber film, a pressure spring, a connecting rod, a lever and a valve core, wherein an air outlet interface and a valve core seat are arranged on the valve body; the method is characterized in that: the center of the bottom of the valve body is provided with an air inlet interface and a valve cavity communicated with the air inlet interface;
the valve cavity comprises a switch valve core seat, an air inlet cavity, a valve rod channel and an internal thread cavity; the switch valve core seat is communicated with the air inlet interface; the switch valve core seat is provided with an air guide hole;
the regulating rod piece comprises a switch regulating valve core, a rod part, a sealing rod part, an external thread body part and a hand wheel connecting part;
the switch regulating valve core is matched with an air guide hole of the switch valve core seat, the rod part corresponds to the air inlet cavity, the sealing rod part is sealed with the valve rod channel, the external thread body part is screwed with the internal thread cavity part, and the hand wheel connecting part is connected with a hand wheel; the valve core seat is communicated with the air inlet cavity.
2. A pressure reducing valve with inlet switch regulation as claimed in claim 1, wherein: the air inlet interface comprises a head cavity positioned at the upper part and an internal thread connecting cavity positioned at the lower part;
the air inlet part comprises a head part, an air outlet cavity arranged at the head part, a rod part, an axial air guide hole arranged at the rod part and a radial air inlet hole arranged at the rod part;
the rod part of the air inlet part penetrates through the sealing gasket, the sealing gasket is attached to the head part, the head part is inserted into the head part cavity, and the sealing gasket is attached to the top plate of the internal thread connection cavity.
3. A pressure reducing valve with inlet switch regulation as claimed in claim 2, wherein: the rod part of the air inlet part is provided with an annular bulge;
the gasket is located on the stem between the annular protrusion and the head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021316076.2U CN212804253U (en) | 2020-07-07 | 2020-07-07 | Pressure reducing valve with air inlet switch for adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021316076.2U CN212804253U (en) | 2020-07-07 | 2020-07-07 | Pressure reducing valve with air inlet switch for adjustment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212804253U true CN212804253U (en) | 2021-03-26 |
Family
ID=75099742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021316076.2U Active CN212804253U (en) | 2020-07-07 | 2020-07-07 | Pressure reducing valve with air inlet switch for adjustment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212804253U (en) |
-
2020
- 2020-07-07 CN CN202021316076.2U patent/CN212804253U/en active Active
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| GR01 | Patent grant |