CN115306920B - Valve for strenghthened type low temperature oxygen - Google Patents
Valve for strenghthened type low temperature oxygen Download PDFInfo
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- CN115306920B CN115306920B CN202210806277.8A CN202210806277A CN115306920B CN 115306920 B CN115306920 B CN 115306920B CN 202210806277 A CN202210806277 A CN 202210806277A CN 115306920 B CN115306920 B CN 115306920B
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 13
- 239000001301 oxygen Substances 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 54
- 238000007789 sealing Methods 0.000 claims abstract description 53
- 230000006835 compression Effects 0.000 claims abstract description 22
- 238000007906 compression Methods 0.000 claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 210000001503 joint Anatomy 0.000 claims description 28
- 230000000694 effects Effects 0.000 description 9
- 238000004321 preservation Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The invention provides a reinforced valve for low-temperature oxygen, which comprises a valve plate block which is completely filled and matched in an inner cavity of a valve body and is cylindrical, a first hole and a second hole are formed in the valve plate block along the axial direction, the first hole is a cylindrical through hole penetrating the valve plate block, the second hole is a groove hole with one end open, the radial distance between the first hole and the second hole is the same, one end of a liquid inlet extends outwards along the axial direction, an extension pipe section is pressed and connected with a cylindrical sealing compression ring through a spring, a group of arc-shaped through grooves are formed in the extension pipe section, and a group of pushing block handles which extend out of the arc-shaped through grooves are fixed outside the valve plate block.
Description
Technical Field
The invention relates to an oxygen valve, in particular to a reinforced low-temperature oxygen valve.
Background
When a medium in a low temperature state needs to be conveyed, the valve for realizing the cut-off and throttling effects of the medium is an essential component in the process, the valve component for the medium in the state is made of a special low temperature resistant material, but a specific valve structure is a structure that a valve rod rotates to drive a valve plate to throttle, in the state, the valve plate cannot be completely matched in a valve cavity from beginning to end, namely, when the valve plate moves, a gap exists between the valve plate and the valve cavity, for example, for the valve needing to lift the valve plate to expose a gap of the medium, the medium can pass through the gap and flow out from an outlet of the valve, but the gap is formed between the valve plate and the valve cavity, when the medium flows, the impact force generated when the medium flows is very easy to bend at one end of the valve plate which is arranged in a suspending manner, the impact force on the screwing threads of the valve plate is also larger, so the impact force of the medium is easier to damage, and the impact force required to be applied when the valve plate is stopped needs to overcome, so the resistance is larger;
The utility model provides a novel ultra-low temperature stop valve (bulletin number is CN 212203349U) sets up the sealing block in the lid bottom, and interference fit between sealing block and mounting hole, when valve body and lid carry out fixed mounting through screw hole cooperation fixing bolt, the sealing block can play the guide effect, make things convenient for quick location installation between valve body and the lid, and the sealing block is the component that polyurethane material made, the sealing block that polyurethane material made has extremely strong thermal-insulated heat preservation effect, keep apart the inside ultra-low temperature liquid temperature of valve body and ambient temperature, the trouble that the influence of valve body, lid and valve rod junction is frozen and is caused to use inconveniently has been avoided, set up mounting groove installation heating sleeve at the lid top, set up the hollow layer between inner liner and overcoat, be provided with the heating coil in the hollow layer, the heating coil spiral winding is on the outer wall of inner liner and can external power supply, utilize the inner liner that the heat conductivity is good to heat the valve rod after the heating coil circular telegram, avoid ambient low temperature to freeze valve rod and lid to cause the trouble of using inconveniently, but its valve body and valve plate structure still are present ubiquitous structure, so the problem that above-mentioned exists does not also obtains in this patent.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide the reinforced low-temperature oxygen valve, and by designing a special matched valve body and valve plate block combined structure, the valve plate block is completely filled in the valve body, and can always keep complete matching with the outline of the inner cavity of the valve body in any working state of the valve, so that the integral strength and sealing effect of the valve can be improved, the valve can be ensured to have various quickly-replaceable adjusting states, and the resistance applied to the valve during adjustment and replacement is small.
The invention provides the following technical scheme:
A reinforced valve for low-temperature oxygen comprises a valve body and a cylindrical valve plate which is completely filled and matched in the inner cavity of the valve body, wherein the inner cavity of the valve body is cylindrical and matched with the outline of the valve plate; the valve plate is internally provided with a first hole and a second hole along the axial direction, the first hole is a cylindrical through hole penetrating through the valve plate, the second hole is a groove hole with one end open, the radial distance between the first hole and the second hole on the valve plate is the same, when the valve plate is rotated, a liquid inlet arranged at one end of the valve body is used for being in butt joint with one end of the first hole and the open end of the second hole after rotating in place, meanwhile, when the liquid inlet is in butt joint with one end of the first hole, a liquid outlet arranged at the other end of the valve body is in butt joint with the other end of the first hole, and when the liquid inlet is in butt joint with the open end of the second hole, the liquid outlet is in butt joint with the closed end of the second hole; an extension pipe section is axially and outwards extended at one end of the liquid inlet, a cylindrical sealing compression ring is pressed in the extension pipe section through a first spring, the sealing compression ring moves towards the liquid inlet under the pushing of the first spring and is used for being in pressing fit in a conical surface flaring I formed at the end parts of the first hole and the second hole, a sealing ring I is further arranged between the outer wall of the sealing compression ring and the extension pipe section, and a flange for butt joint of a pipeline can be arranged at the extension section of the extension pipe section and the extension section of the liquid outlet at the moment; a group of arc-shaped through grooves are further formed in the valve body, and a group of pushing block handles extending out of the arc-shaped through grooves are fixedly arranged outside the valve plate block.
Preferably, at least one group of holes III which are the same as the holes I and II in radial distance are also formed in the valve plate block along the axial direction, the holes III are conical surface through holes which penetrate through the valve plate block, the larger end of the conical surface through holes is the same as the holes I and II in diameter and is used for being in butt joint with a liquid inlet, the smaller end of the conical surface through holes is used for being in butt joint with a liquid outlet, and the larger end of the conical surface through holes is also provided with a conical surface flaring II which is the same as the conical surface flaring I in size.
Preferably, when a plurality of groups of holes three are provided, the sizes of the holes at the smaller ends of the holes of the plurality of groups are different.
Preferably, the valve plate block is including inside-out inner circle, heat preservation circle and the outer lane that sets gradually, the valve body includes inlayer, heat preservation and the skin that sets gradually from inside to outside, and hole one and hole two set up in the inner circle, and outer lane normal running fit is in the inlayer, heat preservation circle and heat preservation all can adopt heat preservation cotton for keep apart the low temperature and can also provide certain expend with heat and contract with cold space simultaneously.
Preferably, at least two groups of pull blocks are further arranged on the outer side of the sealing compression ring, the extension pipe section is provided with an elongated slot for the pull blocks to pass through, two groups of limit nuts used for limiting the two sides of the pull blocks are further connected with the extension pipe section through threads, the first sealing ring is provided with two groups of sealing rings and is arranged at the two ends of the elongated slot respectively and used for avoiding liquid leakage at the elongated slot, at the moment, the sealing compression ring can further push the pull blocks to move leftwards by screwing the limit nuts so as to compress the first sealing compression ring, one end of the sealing compression ring, which is in butt joint with the conical surface flaring, is far away from the valve plate and then positioned, further rotation of the valve plate can be achieved more easily, and the sealing compression ring can be further sealed and pressed at the conical surface flaring under the pressure of the first sealing nuts through screwing the limit nuts, so that the defect of poor press fit caused by perfect fatigue or thermal expansion and cold contraction of the first sealing compression ring can be eliminated.
Preferably, the liquid outlet is further provided with a second sealing ring which is used for being abutted against the end side of the valve plate block, when the shutoff is needed, the opening end of the second hole rotates to the liquid inlet, the pressure of a medium at the liquid inlet to the valve plate block can further push the valve plate block to be close to the liquid outlet, so that the sealing pressing effect of the second sealing ring and the valve plate block is better, and the groove depth of the groove hole of the second hole can be set according to the needs.
Preferably, two groups of rotating rings distributed on two sides of the arc-shaped through groove are further arranged in the inner cavity of the valve body, the rotating rings are rotatably connected in the valve plate block, and three sealing rings are arranged between the rotating rings and the valve plate block for sealing fit.
Preferably, the valve body is further provided with a group of positioning rods which are used for being positioned in the positioning groove of the push block handle along the axial direction, and when the push block handle is pushed to rotate the valve plate block in place, namely, the liquid inlet is in butt joint with the hole I and the hole II in place at the moment, the positioning rods extend into the positioning holes to position the push block handle under the pushing of the spring II.
The beneficial effects of the invention are as follows:
1. The valve plate is completely filled in the inner cavity of the valve body, the cylindrical design structure can also ensure that the valve plate can rotate in the valve body, when the valve plate rotates to the abutting position of the first hole and the liquid inlet, the valve plate is in a completely through flow state, when the second hole is in the abutting position of the second hole and the liquid inlet, the valve plate is in a completely shut-off state, and meanwhile, the valve plate can always keep complete matching with the outline of the inner cavity of the valve body in any working state of the valve, so that the integral strength and the integral sealing effect of the valve can be greatly improved, the valve can realize quick replacement and adjustment of various modes through the rotation of the valve plate, and when the valve is adjusted, the pressure applied to the valve plate at the liquid inlet is the axial pressure, and because the valve body completely surrounds the outside of the valve plate, the pressure applied to the valve plate can be counteracted by the two ends of the valve body, and the force applied by the rotary valve plate is the tangential force of the valve plate, so that the received resistance is smaller when the valve plate is subjected to rotary adjustment;
2. through add the extension pipe section in inlet department, and set up the sealed clamping ring that is used for butt joint hole one, hole two, hole three tip at the extension pipe section, when still need the rotary valve plate behind the inlet is docked to hole two, by the first force of exerting on the conical surface of sealed clamping ring tip of conical surface flaring, can drive sealed clamping ring along axial compression spring one end motion of keeping away from the valve plate, last rotary valve plate, until next hole three or hole one department, sealed clamping ring can rebound again under spring one's pressure and accomplish the butt joint in corresponding conical surface flaring one or conical surface flaring two, therefore can be comparatively clear perception whether rotate in place.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a front sectional view of the present invention in example 1;
FIG. 2 is a schematic top view of the invention in example 1;
FIG. 3 is a schematic side view of the valve plate of example 2;
FIG. 4 is a cross-sectional view of the valve plate of example 2 showing two sets of holes three in section;
FIG. 5 is a schematic top view of the invention in example 2;
FIG. 6 is a front sectional view of the present invention in example 3;
FIG. 7 is a front sectional view of the present invention in example 4;
FIG. 8 is a schematic top view of the invention in example 4;
FIG. 9 is a front sectional view of the present invention in example 5;
the labels in the figure: the valve comprises a valve body 1, a valve plate 2, a hole I, a hole II, a liquid inlet 5, a liquid outlet 6, an extension pipe section 7, an arc-shaped through groove 8, a push block handle 9, a positioning rod 10, a spring I11, a sealing compression ring 12, a sealing ring I13, a spring II 14, a bump 15, a positioning sleeve 16, a hole III 17, a conical surface flaring I18, a conical surface flaring II 19, a heat-insulating ring 20, a heat-insulating layer 21, a pull block 22, a long groove 23, a limit nut 24, a sealing ring II 25, and a positioning sleeve 26 and 27.
Detailed Description
Example 1
1-2, In this embodiment, the valve comprises a valve body 1 and a cylindrical valve plate 2 completely filled in the inner cavity of the valve body 1, wherein the inner cavity of the valve body 1 is cylindrical and matched with the contour of the valve plate 2;
A first hole 3 and a second hole 4 are axially formed in the valve plate block 2, the first hole 3 is a cylindrical through hole penetrating the valve plate block 2, the second hole 4 is a groove hole with one end open, the radial distance between the first hole 3 and the second hole 4 on the valve plate block 2 is the same, when the valve plate block 2 is rotated, a liquid inlet 5 formed at one end of the valve body 1 is used for abutting joint with one end of the first hole 3 and the open end of the second hole 4 after rotating in place, meanwhile, when the liquid inlet 5 abuts joint with one end of the first hole 3, a liquid outlet 6 formed at the other end of the valve body 1 abuts joint with the other end of the first hole 3, and when the liquid inlet 5 abuts joint with the open end of the second hole 4, the liquid outlet 6 abuts joint with the closed end of the second hole 4;
An extension pipe section 7 extends outwards along the axial direction at one end of the liquid inlet 5, a cylindrical sealing compression ring 12 is crimped in the extension pipe section 7 through a first spring 11, the sealing compression ring 12 moves towards the liquid inlet 5 under the pushing of the first spring 11 and is used for being in pressing fit in a conical flaring 18 formed at the end parts of a first hole 3 and a second hole 4, a sealing ring 13 is further arranged between the outer wall of the sealing compression ring 12 and the extension pipe section 7, and a flange for butt joint of a pipeline can be arranged at the extension section of the extension pipe section 7 and the extension section of the liquid outlet 6;
A group of arc-shaped through grooves 8 are further formed in the valve body 1, and a group of pushing block handles 9 extending out of the arc-shaped through grooves 8 are fixedly arranged outside the valve plate 2.
The valve body 1 is also provided with a group of positioning rods 10 which are used for being positioned in the positioning grooves of the push block handle 9 along the axial direction, when the push block handle 9 is pushed to rotate the valve plate block 2 in place, namely, when the liquid inlet 5 is in butt joint with the first hole 3 in place, the positioning rods 10 extend into the positioning holes to position the push block handle 9 under the pushing of the second springs 14, the positioning rods 10 in the embodiment are provided with the protruding blocks 15, one ends of the protruding blocks 15 are sleeved in the positioning sleeves 16 fixed on the valve body 1, the second springs 14 are sleeved outside the positioning rods 10 and are propped against the position sleeves 16, so that the positioning rods 10 can be withdrawn from the positioning grooves through the second springs 14, and then the push block handle 9 is pushed to rotate the valve plate block 2, and time and labor are saved.
Example 2
In this embodiment, the valve plate block 2 is further provided with at least one group of holes three 17 with the same radial distance as the holes one 3 and two 4 along the axial direction, the holes three 17 are conical surface through holes penetrating through the valve plate block 2, the larger end of the conical surface through holes is the same as the hole one 3 and two 4 in diameter and is used for butt joint with the liquid inlet 5, the smaller end of the conical surface through holes is used for butt joint with the liquid outlet 6, and the larger end of the conical surface through holes is also provided with a conical surface flaring two 19 with the same size as the conical surface flaring one 18.
When the multiple groups of holes three 17 are arranged, the smaller hole sizes of one ends of the multiple groups of holes three 17 are different, in the embodiment, two groups of holes three 17 are arranged between the holes one 3 and two 4, at the moment, the holes which are in butt joint with the liquid inlet 5 can be determined through the rotary valve plate 2, the medium flow passing through the valve body 1 is determined, the accuracy control of the flow is better, meanwhile, in order to control the flow speed of the accurate flow, the scale marks can be further drawn on the outer wall of the valve body 1 more conveniently, when the valve plate 2 rotates to the position corresponding to the scale marks, the butt joint of the corresponding hole three 17 or the hole one 3 and the hole two 4 with the liquid inlet 5 is realized, in the embodiment, four groups of scale marks are correspondingly arranged, after each group of scale marks are rotated to the position, the push block handle 9 can be positioned by the positioning rod 10, and in order to save the positioning rod, the positioning rod 10 can be further arranged in a mode of being taken down by the positioning sleeve, namely, the push block handle matched with the positioning rod at different positions can be used.
Example 3
In the embodiment, the valve plate 2 comprises an inner ring, a heat insulation ring 20 and an outer ring which are sequentially arranged from inside to outside, the valve body 1 comprises an inner layer, a heat insulation layer 21 and an outer layer which are sequentially arranged from inside to outside, a first hole 3 and a second hole 4 are arranged in the inner ring, the outer ring is in rotary fit with the inner layer, and the heat insulation ring 20 and the heat insulation layer 21 can be made of heat insulation cotton so as to isolate low temperature and provide a certain expansion and contraction space.
Example 4
In this embodiment, the difference between the reinforced valve for low-temperature oxygen shown in fig. 7-8 and embodiment 1 is that at least two sets of pull blocks 22 are further disposed on the outer side of the sealing ring 12, the extension pipe section 7 is provided with a long groove 23 through which the pull blocks 22 pass, two sets of limit nuts 24 for limiting on two sides of the pull blocks 22 are further connected with the extension pipe section 7 by threads, and the first sealing ring 13 is provided with two sets of seal rings and is disposed at two ends of the long groove 23 for avoiding liquid leakage at the position of the long groove 23, at this time, the sealing ring 12 can further push the pull blocks 22 to move leftwards by screwing the limit nuts 24, so as to compress the first spring 11, so that one end of the sealing ring 12, which is abutted with the conical surface flaring one 18, is far away from the valve plate 2, further rotation of the valve plate 2 can be realized more easily, and the sealing ring 12 can be further sealed and crimped at the conical surface under the pressure of the first spring 11 by screwing the limit nuts 24 rightwards, so that the defect of imperfect compression caused by compression of the first spring 11 or thermal expansion can be eliminated.
The liquid outlet 6 is further provided with a group of sealing rings II 25 which are used for being abutted against the end side of the valve plate block 2, when the shutoff is needed, the opening end of the hole II 4 rotates to the liquid inlet 5, the pressure of a medium at the liquid inlet 5 to the valve plate block 2 can further push the valve plate block 2 to be close to the liquid outlet 6, so that the sealing pressing effect of the sealing rings II 25 and the valve plate block 2 is better, and the groove depth of a groove hole of the hole II 4 can be set according to the needs.
Example 5
In the present embodiment, the reinforced valve for low-temperature oxygen as shown in fig. 9 is different from embodiment 1 in that, in order to further enhance the sealing effect of the valve body 1, two sets of rotating rings 26 distributed on two sides of the arc-shaped through groove 8 are further arranged in the inner cavity of the valve body 1, the rotating rings 26 are rotatably connected in the valve plate block 2, and sealing rings three 27 are arranged between the rotating rings and the valve plate block 2 for sealing fit.
The working principle of the invention is as follows: in the invention, the valve plate block 2 is fully filled in the inner cavity of the valve body 1, meanwhile, the cylindrical design structure can also ensure that the valve plate block 2 can rotate in the valve body 1, when the valve plate block 2 rotates to the abutting position of the first hole 3 and the liquid inlet 5, the valve plate block 2 is in a fully through-flow state, when the second hole 4 is in the abutting position of the second hole 4 and the liquid inlet 5, the valve plate block 2 is in a fully shut-off state, and meanwhile, the valve plate block 2 can always keep complete matching with the contour of the inner cavity of the valve body 1 in any working state of the valve, so that the integral strength and the integral tightness effect of the valve can be greatly improved, the valve can realize quick replacement adjustment in various modes by rotating the valve plate block 2, and the pressure applied to the valve plate block 2 at the liquid inlet 5 is in the axial direction, and the pressure applied to the valve plate block 2 can be counteracted by the two ends of the valve plate block 1 and the force applied by the rotary valve block 2 is in the tangential direction, so that the resistance force applied to the valve plate block 2 is small when the valve block 2 is rotated and adjusted; through add extension pipe section 7 in inlet 5 department, and set up the sealed clamping ring 12 that is used for butt joint hole one 3, hole two 4, hole three 17 tip at extension pipe section 7, when still need rotary valve plate 2 behind the inlet 5 of hole two 4 butt joint, the force on the conical surface of sealed clamping ring 12 tip by conical surface flaring one 18, can drive sealed clamping ring 12 along axial compression spring one 11 to keeping away from the one end of valve plate 2, last rotary valve plate 2, until when next hole three 17 or hole one 3 departments, sealed clamping ring 12 can rebound again under the pressure of spring one 11 and accomplish the butt joint in corresponding conical surface flaring one 18 or conical surface flaring two 19, consequently can be comparatively clear perception whether rotate in place.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The reinforced valve for low-temperature oxygen is characterized by comprising a valve body (1), and further comprising a cylindrical valve plate block (2) which is completely filled and matched in the inner cavity of the valve body (1);
The valve plate block (2) is internally provided with a first hole (3) and a second hole (4) along the axial direction, the first hole (3) is a cylindrical through hole penetrating the valve plate block (2), the second hole (4) is a groove hole with one end open, the radial distance between the first hole (3) and the second hole (4) is the same, when the valve plate block (2) is rotated, a liquid inlet (5) formed at one end of the valve body (1) is used for being in butt joint with one end of the first hole (3) and the open end of the second hole (4) after rotating, meanwhile, when the liquid inlet (5) is in butt joint with one end of the first hole (3), a liquid outlet (6) formed at the other end of the valve body (1) is in butt joint with the other end of the first hole (3), and when the liquid inlet (5) is in butt joint with the open end of the second hole (4), the liquid outlet (6) is in butt joint with the closed end of the second hole (4);
An extension pipe section (7) extends outwards along the axial direction at one end of the liquid inlet (5), a cylindrical sealing compression ring (12) is crimped in the extension pipe section (7) through a first spring (11), the sealing compression ring (12) moves towards the liquid inlet (5) under the pushing of the first spring (11) and is used for being in press fit in a conical flaring (18) formed at the end parts of a first hole (3) and a second hole (4), and a first sealing ring (13) is further arranged between the outer wall of the sealing compression ring (12) and the extension pipe section (7);
a group of arc-shaped through grooves (8) are further formed in the valve body (1), and a group of pushing block handles (9) extending out of the arc-shaped through grooves (8) are fixedly arranged outside the valve plate block (2);
at least one group of holes III (17) with the same radial distance as the holes I (3) and II (4) are also formed in the valve plate block (2) along the axial direction, the holes III (17) are conical surface through holes penetrating through the valve plate block (2), one ends with larger conical surface through holes are identical to the holes I (3) and II (4) and are used for being in butt joint with the liquid inlet (5), one ends with smaller conical surface through holes are used for being in butt joint with the liquid outlet (6), and one ends with larger conical surface through holes are also provided with conical surface flaring II (19) with the same size as the conical surface flaring I (18);
When a plurality of groups of holes III (17) are arranged, the hole sizes of the smaller ends of the holes III (17) are different;
at least two groups of pull blocks (22) are further arranged on the outer side of the sealing compression ring (12), the extension pipe section (7) is provided with a long groove (23) for the pull blocks (22) to pass through, two groups of limit nuts (24) used for limiting the two sides of the pull blocks (22) are further connected with the outer side of the extension pipe section (7) in a threaded mode, and the first sealing ring (13) is provided with two groups and is respectively arranged at two ends of the long groove (23);
the valve body (1) is also provided with a group of positioning rods (10) which are used for being positioned in the positioning grooves of the push block handles (9) along the axial direction, and after the push block handles (9) are pushed to rotate the valve plate block (2) in place, the positioning rods (10) extend into the positioning holes to position the push block handles (9) under the pushing of the second springs (14).
2. The valve for reinforced low-temperature oxygen according to claim 1, wherein the valve plate block (2) comprises an inner ring, a heat-insulating ring (20) and an outer ring which are sequentially arranged from inside to outside, the valve body (1) comprises an inner layer, a heat-insulating layer (21) and an outer layer which are sequentially arranged from inside to outside, the first hole (3) and the second hole (4) are arranged in the inner ring, and the outer ring is in rotary fit with the inner layer.
3. A valve for enhanced cryogenic oxygen according to claim 1, characterized in that the liquid outlet (6) is further provided with a set of second sealing rings (25) for abutting against the end side of the valve plate block (2).
4. The reinforced low-temperature oxygen valve according to claim 1, wherein two groups of rotating rings (26) distributed on two sides of the arc-shaped through groove (8) are further arranged in the inner cavity of the valve body (1), the rotating rings (26) are rotatably connected in the valve plate block (2), and a sealing ring III (27) is arranged between the valve plate block and the valve plate block (2) in sealing fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210806277.8A CN115306920B (en) | 2022-07-08 | Valve for strenghthened type low temperature oxygen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210806277.8A CN115306920B (en) | 2022-07-08 | Valve for strenghthened type low temperature oxygen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115306920A CN115306920A (en) | 2022-11-08 |
| CN115306920B true CN115306920B (en) | 2024-05-31 |
Family
ID=
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|---|---|---|---|---|
| FR1380469A (en) * | 1963-07-08 | 1964-12-04 | Rheinisches Metallwerk Gmbh | Device forming a valve or cylindrical ball valve or the like and its various applications |
| WO2009146646A1 (en) * | 2008-06-04 | 2009-12-10 | Zhang Zengfu | Cylindrical valve |
| CN102829207A (en) * | 2012-08-03 | 2012-12-19 | 浙江恒森实业集团有限公司 | Electrically adjusted self-compensating plug valve |
| CN207297967U (en) * | 2017-09-10 | 2018-05-01 | 温州鸿升集团有限公司 | A kind of adjustable copper valve of double fluid |
| CN108302215A (en) * | 2018-04-08 | 2018-07-20 | 江苏圣泰阀门有限公司 | Ultralow temperature plug valve |
| CN108843809A (en) * | 2018-08-23 | 2018-11-20 | 合肥合茂电子科技有限公司 | A kind of high sealing rotary reversing valve |
| CN114183554A (en) * | 2021-11-04 | 2022-03-15 | 北京卫星制造厂有限公司 | Plug valve |
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1380469A (en) * | 1963-07-08 | 1964-12-04 | Rheinisches Metallwerk Gmbh | Device forming a valve or cylindrical ball valve or the like and its various applications |
| WO2009146646A1 (en) * | 2008-06-04 | 2009-12-10 | Zhang Zengfu | Cylindrical valve |
| CN102829207A (en) * | 2012-08-03 | 2012-12-19 | 浙江恒森实业集团有限公司 | Electrically adjusted self-compensating plug valve |
| CN207297967U (en) * | 2017-09-10 | 2018-05-01 | 温州鸿升集团有限公司 | A kind of adjustable copper valve of double fluid |
| CN108302215A (en) * | 2018-04-08 | 2018-07-20 | 江苏圣泰阀门有限公司 | Ultralow temperature plug valve |
| CN108843809A (en) * | 2018-08-23 | 2018-11-20 | 合肥合茂电子科技有限公司 | A kind of high sealing rotary reversing valve |
| CN114183554A (en) * | 2021-11-04 | 2022-03-15 | 北京卫星制造厂有限公司 | Plug valve |
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