CN213512152U - Oxygen valve of safe type - Google Patents
Oxygen valve of safe type Download PDFInfo
- Publication number
- CN213512152U CN213512152U CN202022407431.3U CN202022407431U CN213512152U CN 213512152 U CN213512152 U CN 213512152U CN 202022407431 U CN202022407431 U CN 202022407431U CN 213512152 U CN213512152 U CN 213512152U
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- CN
- China
- Prior art keywords
- valve
- cover
- packing
- side wall
- bearing
- 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.)
- Expired - Fee Related
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 25
- 239000001301 oxygen Substances 0.000 title claims abstract description 25
- 238000012856 packing Methods 0.000 claims description 30
- 210000004907 gland Anatomy 0.000 claims description 9
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 13
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 3
- 239000007769 metal material Substances 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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- Lift Valve (AREA)
Abstract
The application is a safe oxygen valve, the valve includes valve block, valve clack cover, valve stem, valve bonnet and hand wheel, wherein the upper portion of the said valve stem is inserted in inside wall of the valve bonnet, the inside wall is connected with a bearing; an annular bearing seat is sleeved on the outer side of the bearing; the valve cover is provided with the bearing and the bearing seat, the valve cover is driven to stably rotate, the sealing performance of the valve cover is improved, static electricity is transmitted through mutual friction of metal materials, the safety structure of the oxygen valve is improved, the safety and the sealing performance are enhanced, and the service life is prolonged.
Description
Technical Field
The application relates to the field of valves, in particular to a safe oxygen valve.
Background
The safety of the oxygen valve is the most important, and an antistatic device is usually arranged on the oxygen valve or other structures are arranged for safety protection, wherein friction is the safety design point of the oxygen valve.
By combining a specific scheme, the sealing performance of the oxygen valve is improved under the condition of improving the safety structure of the oxygen valve, so that the service life of the oxygen valve is further prolonged.
Therefore, how to improve the safety structure of the oxygen valve so as to enhance the safety and the sealing performance at the same time and further prolong the service life.
Disclosure of Invention
The purpose of the application is: improve the safety structure of oxygen valve to strengthen when realizing security and leakproofness, and then improve life.
The utility model provides an oxygen valve of safe type, the valve is including valve body, valve clack lid, valve rod, valve gap and hand wheel, wherein the purpose of this application is accomplished through following technical scheme
The upper part of the valve rod is inserted into the inner side wall of the valve cover, and a bearing is sleeved on the inner side wall;
an annular bearing seat is sleeved on the outer side of the bearing;
the inner side wall of the valve cover protrudes inwards the valve body to form an annular step;
the bearing frame cup joints along the inside of annular step, is fixed with the solder joint between the lateral wall of step and bearing frame lateral wall.
Preferably, the first and second electrodes are formed of a metal,
the bearing seat is of an annular structure, and a leading-in angle is arranged on the end head of the inner side wall of the bearing seat;
a cover diameter groove is sunken in the inner side wall of the valve cover;
the leading-in angle of the bearing seat and the extended side wall thereof are inserted in the cover diameter groove.
Preferably, the first and second electrodes are formed of a metal,
the joint support between the cover diameter groove and the valve rod is provided with a cover diameter.
Preferably, the first and second electrodes are formed of a metal,
a packing pad is fixed on the top of the cover diameter,
the packing cushion is provided with woven packing and flexible packing which are arranged in a staggered way.
Preferably, the first and second electrodes are formed of a metal,
the top of the valve cover is downwards sleeved with a packing gland;
the top of the packing gland is spherical; the spherical surface is fixed with a packing pressing plate.
Preferably, the first and second electrodes are formed of a metal,
the inner side of the packing press plate is sunken and is butted with the spherical surface;
and studs and nuts are arranged on both sides of the packing press plate.
Preferably, the first and second electrodes are formed of a metal,
the bearing is made of copper alloy.
Compared with the prior art, the application has the following obvious advantages and effects:
1. the bearing and the bearing seat are mounted on the valve cover and driven to stably rotate, meanwhile, the valve cover is utilized to improve the sealing performance of the valve cover, static electricity is transmitted through mutual friction of the bearing and the bearing seat made of metal materials, the safety structure of the oxygen valve is improved, the safety and the sealing performance are enhanced, and the service life is prolonged.
Drawings
Fig. 1 is a diagram of the overall structural arrangement of the present application.
Fig. 2 is an enlarged view of the structure of the portion a in fig. 1 of the present application.
List of parts in this application
Detailed Description
Specific embodiments thereof are described below in conjunction with the following description and the accompanying drawings to teach those skilled in the art how to make and use the best mode of the present application. For the purpose of teaching application principles, the following conventional aspects have been simplified or omitted. Those skilled in the art will appreciate variations from these embodiments that fall within the scope of the application. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the present application. In the present application, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description, and are not used to limit the scope of the invention, and the relative relationship between the terms and the corresponding terms may be changed or adjusted without substantial technical change. Thus, the present application is not limited to the specific embodiments described below, but only by the claims and their equivalents.
Fig. 1-2 illustrate one embodiment of a safety oxygen valve of the present application.
As shown in fig. 1, in the present embodiment,
a safe oxygen valve, the said valve 100 includes the valve block 1, valve clack 2, valve clack cover 4, valve stem 5, valve bonnet 9 and hand wheel 21, wherein the upper portion of the said valve stem 5 is inserted and connected in the inside wall of the valve bonnet 9, the inside wall is connected with a bearing 25; an annular bearing seat 26 is sleeved on the outer side of the bearing 25; the valve cover 9 is provided with the bearing and the bearing seat, the bearing and the bearing seat are driven to stably rotate, meanwhile, the sealing performance of the valve is improved, static electricity is transmitted through mutual friction of metal materials, the safety structure of the oxygen valve is improved, the safety and the sealing performance are enhanced, and the service life is prolonged.
Specifically, as shown in fig. 1 to 2, in the embodiment of the present application,
the bearing 25 is made of copper alloy and has high wear resistance and conductivity.
Wherein, the inner side wall of the valve cover 9 protrudes towards the interior of the valve body 1 to form an annular step 9 a; through annular step 9a along the protrusion of valve gap 9 inside wall, and then realize the bell and spigot joint location, concrete reset bearing frame 26 cup joints fixedly along the inside of annular step 9 a.
In order to strengthen the stability of positioning between the structures, the welding spot 9b is arranged for positioning, so that the welding spot 9b is fixed between the outer side wall of the step 9a and the outer side wall of the bearing seat 26, and the integral structure of the structure is more stable.
Design structure characteristic description:
1. valve rod guide structure
The valve 100 has a guide sleeve mounted on the bottom of the cap to increase the rigidity of the valve stem and to position the valve stem accurately. PTFE bearing and bearing seat structure is adopted.
2. The valve adopts PTFE or F316+ PTFE bearing to the valve rod guide location of valve rod head position, reduces operating torque.
3. The valve has simple and novel structure, is more convenient to sleeve, sleeve and disassemble and is convenient to maintain.
It is further noted that, as shown in fig. 1 and 2, in the embodiment of the present application,
in the specific structural design, the whole bearing seat 26 is of an annular structure, and the end of the inner side wall of the bearing seat 26 is provided with a guide angle 26b, an inclination angle of inclined transition or an inclination angle of circular arc transition, so that stable installation and positioning are facilitated.
In order to position the auxiliary bearing seat 26 for installation, a sunken groove structure is arranged, specifically a cover diameter groove 9d, and the cover diameter groove 9d is sunken upwards along the inner side wall of the valve cover 9; thereby forming a stable sleeving structure.
Wherein, combine overall structure, bearing frame 26 joint is fixed in lid footpath groove 9d, consequently, the leading-in angle 26b of bearing frame 26 is fixed in lid footpath groove 9d, and the lateral wall that bearing frame 26 extends is also fixed pegging graft in lid footpath groove 9d, and wherein, the outside of bearing frame 26 forms annular structure, carries out the joint location along the lateral wall edge of lid footpath groove 9 d.
It should be noted that, as shown in fig. 2, in the embodiment of the present application,
in order to assist the positioning and forming of the supporting structure, the top of the bearing seat 26 is fixedly positioned in a supporting manner through the cover diameter 9c, and a transitional sealing structure can be formed between the top and the cover diameter 9c, so that the cover diameter 9c is supported along the joint between the cover diameter groove 9d and the valve rod 5.
It should be noted that, as shown in fig. 1 to 2, in the embodiment of the present application,
in order to improve the tightness and the positioning performance of the sealing position, a cylindrical packing pad 13 is fixed along the top of the cover diameter 9c, the top is sealed by using a cylindrical structure, meanwhile, staggered sealing structures are arranged along the inside or on the packing pad 13, and the sealed braided packing 11 and the sealed flexible packing 12 are arranged in a staggered mode, so that the sealing stability is improved.
It should be noted that, as shown in fig. 1 to 2, in the embodiment of the present application,
the top of the packing gland 13 is positioned for assisting in positioning, so that the stable stress of the top of the packing gland 13 in the rotating process is ensured, and the packing gland 13 is sleeved downwards on the top of the valve cover 9; the top of the combined packing gland 13 is stressed uniformly, so that the top of the packing gland 13 is a spherical surface 13 a; the spherical surface is used for rotary joint sealing, and a packing retainer 14 is fixed to the spherical surface 13a for pressing and positioning.
It should be noted that, as shown in fig. 1 to 2, in the embodiment of the present application,
in order to further assist the corresponding structure to perform a squeezing structure, so that the squeezing seal between the two is ensured, the inner side of the packing press plate 14 is provided with a spherical recess, and the spherical inner recess is butted with the spherical surface 13 a; the contact effect of a large area is formed, and the entire combination is performed by a detachable simple structure, so that the studs 15 and the nuts 16 are provided on both sides of the packing press plate 14.
Since any modifications, equivalents, improvements, etc. made within the spirit and principles of the application may readily occur to those skilled in the art, it is intended to be included within the scope of the claims of this application.
Claims (7)
1. The utility model provides an oxygen valve of safe type, valve (100) is including valve body (1), valve clack (2), valve clack lid (4), valve rod (5), valve gap (9) and hand wheel (21), its characterized in that: the above-mentioned
The upper part of the valve rod (5) is inserted into the inner side wall of the valve cover (9), and the inner side wall is sleeved with a bearing (25);
an annular bearing seat (26) is sleeved on the outer side of the bearing (25);
an annular step (9a) is protruded from the inner side wall of the valve cover (9) towards the interior of the valve body (1);
the bearing seat (26) is sleeved along the inside of the annular step (9a), and a welding spot (9b) is fixed between the outer side wall of the step (9a) and the outer side wall of the bearing seat (26).
2. The safety oxygen valve of claim 1, wherein: the above-mentioned
The bearing seat (26) is of an annular structure, and a leading-in angle (26b) is arranged at the end head of the inner side wall of the bearing seat;
a cover diameter groove (9d) is sunken in the inner side wall of the valve cover (9);
the lead-in angle (26b) of the bearing seat (26) and the extended side wall thereof are inserted into the cover diameter groove (9 d).
3. The safety oxygen valve of claim 2, wherein: the above-mentioned
A cover diameter (9c) is supported between the cover diameter groove (9d) and the valve rod (5) in a fitting manner.
4. The safety oxygen valve of claim 3, wherein: the above-mentioned
A packing pad (10) is fixed on the top of the cover diameter (9c),
the packing pad (10) is provided with woven packing (11) and flexible packing (12) which are arranged in a staggered manner.
5. The safety oxygen valve of claim 4, wherein: the above-mentioned
The top of the valve cover (9) is downwards sleeved with a packing gland (13);
the top of the packing gland (13) is a spherical surface (13 a); a packing pressing plate (14) is fixed on the spherical surface (13 a).
6. The safety oxygen valve of claim 5, wherein: the above-mentioned
The inner side of the packing press plate (14) is sunken and is butted with the spherical surface (13 a);
and studs (15) and nuts (16) are arranged on both sides of the packing pressing plate (14).
7. The safety oxygen valve of claim 1, wherein: the bearing (25) is made of copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022407431.3U CN213512152U (en) | 2020-10-27 | 2020-10-27 | Oxygen valve of safe type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022407431.3U CN213512152U (en) | 2020-10-27 | 2020-10-27 | Oxygen valve of safe type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213512152U true CN213512152U (en) | 2021-06-22 |
Family
ID=76411286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022407431.3U Expired - Fee Related CN213512152U (en) | 2020-10-27 | 2020-10-27 | Oxygen valve of safe type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213512152U (en) |
-
2020
- 2020-10-27 CN CN202022407431.3U patent/CN213512152U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210622 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |