CN104633264A - Gas pressure reducing valve - Google Patents
Gas pressure reducing valve Download PDFInfo
- Publication number
- CN104633264A CN104633264A CN201510082050.3A CN201510082050A CN104633264A CN 104633264 A CN104633264 A CN 104633264A CN 201510082050 A CN201510082050 A CN 201510082050A CN 104633264 A CN104633264 A CN 104633264A
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- CN
- China
- Prior art keywords
- gas
- gas pressure
- intercommunicating pore
- valve seat
- pressure reducer
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
Abstract
The invention discloses a gas pressure reducing valve. The gas pressure reducing valve comprises a valve seat, a valve bonnet, a pressure reducing mechanism and an adjusting mechanism, wherein the valve seta is matched with the valve bonnet, the pressure reducing mechanism comprises a top block, a connector, a moving part and an elastic part, the valve sat is provided with a mounting groove, the elastic part is arranged in the mounting groove, the connector is matched with the mounting groove, the moving part is arranged in the connector, and two ends of the moving part are abutted against the top block and the elastic part respectively. The top block contacts with the adjusting mechanism, the adjusting mechanism can push the top block and the moving part to move and is mounted on the valve bonnet, the valve seat is provided with a gas inlet and a gas outlet, the connector is provided with a first communication hole, and the gas inlet and the gas outlet are communicated through the first communication hole. The gas pressure reducing valve can adjust gas pressure controllably, gas can be converted into low-pressure gas effectively, gas is saved, and the gas pressure reducing valve has the advantages of simple structure, reasonable mounting structure and convenience in use.
Description
Technical field
The invention belongs to a kind of welding gun Gas pressure reducer, especially relate to a kind of gas pressure reducer.
Background technique
Existing gas pressure reducer much exists that structure is owed rationally, the gas pressure that bears is large and can not get the shortcomings such as buffering, have impact on the welding quality of welding gun when welding, and structure is more complicated increases processing cost.Meanwhile, air pressure much can not be reduced to reasonable air pressure by existing gas pressure reducer, makes the tracheal strips of welding gun occur inflation, causes the waste of gas resource; And the effect of easing stress of gas pressure reducer is fixing, can not regulates according to welding needs, make different welding guns use different occasion to need the corresponding gas pressure reducer of corresponding replacing, cause and use inconvenience.
Summary of the invention
The object of the present invention is to provide a kind of gas pressure reducer, at least one in can solving the problem.
According to an aspect of the present invention, provide a kind of gas pressure reducer, comprise valve seat, valve gap, the mechanism of decompressor and controlling mechanism, valve seat matches with valve gap, the mechanism of decompressor comprises jacking block, link, movable part and elastic component, valve seat offers mounting groove, elastic component is arranged in mounting groove, link matches with mounting groove, movable part is positioned at link, and two ends abut against with jacking block and elastic component respectively, jacking block contacts with controlling mechanism, controlling mechanism can promote jacking block and movable part moves, controlling mechanism is arranged on valve gap, valve seat offers suction port and air outlet, link offers the first intercommunicating pore, suction port is connected by the first intercommunicating pore with air outlet.
The invention has the beneficial effects as follows: be provided with the mechanism of decompressor, the pressurized gas entered by suction port can be made to reduce pressure after the buffering of the mechanism of decompressor and obtain low-pressure gas, flow out finally by air outlet.Pressurized gas enter through suction port, gas arrives in mounting groove, through elastic component and movable part, enter in the first intercommunicating pore of link, pressurized gas are flowed out after buffering, finally obtain smooth low-pressure gas stably to export, other pressure obtained are little, and the tracheae not air-blowing of welding gun, reaches the object of province's gas, and structure is simple, mounting structure is reasonable.Simultaneously, be provided with controlling mechanism and can promote jacking block, jacking block promotes movable part and moves, and then the space that have adjusted in mounting groove and enter the gas of the first intercommunicating pore, finally adjust the output pressure of gas port, facilitate the air pressure adjustment of whole gas pressure reducer, can regulate according to user demand, easy to use.
In some embodiments, controlling mechanism can comprise adjusting screw rod, Compress Spring and seal ring, seal ring contacts with jacking block, seal ring is set in valve gap, the two ends of Compress Spring contact with adjusting screw rod and seal ring respectively, adjusting screw rod and valve gap are for being threaded, and adjusting screw rod can promote Compress Spring and seal ring moves.Thus, be provided with adjusting screw rod and by the movement of the extension and contraction control jacking block of adjusting screw rod, thus the change of output pressure can be realized, convenient control; Be provided with the leakage that seal ring can prevent the gas in valve gap and valve seat, ensure sealing, prevent gas leakage.
In some embodiments, valve seat is provided with cavity, and cavity is connected with the first intercommunicating pore, and gas enters air outlet after cavity.Thus, be provided with cavity, the gas further step-down in cavity exported by the first intercommunicating pore can be made, improve antihypertensive effect.
In some embodiments, valve seat is provided with damping hole and the second intercommunicating pore, and damping hole is communicated with by the second intercommunicating pore with cavity, and cavity is communicated with air outlet by damping hole.Thus, be provided with damping hole and the gas reaching air outlet in cavity can be made to cushion further, air pressure is reduced further.
In some embodiments, damping hole place is provided with bolt, and bolt is connected with damping hole inner thread.Thus, be provided with bolt and can prevent gas from leaking through damping hole, make the gas in valve seat keep sealing.
In some embodiments, gas pressure reducer can also comprise outlet pressure table, outlet pressure table is arranged on the first mounting hole, first mounting hole is located on valve seat, first mounting hole is connected with damping hole, offer third connecting hole between air outlet and the first mounting hole, damping hole is communicated with air outlet by the first mounting hole.Thus, be provided with outlet pressure table, person easy to use can read the pressure learning effluent air, controlling mechanism can be adjusted according to atmospheric pressure value.
In some embodiments, gas pressure reducer can also comprise boost gauge, and valve seat is provided with the second mounting hole and the 4th intercommunicating pore, and boost gauge is arranged on the second mounting hole, 4th intercommunicating pore is communicated with suction port, and boost gauge is connected with suction port by the 4th intercommunicating pore.Thus, be provided with boost gauge, can read by this boost gauge the air pressure entering gas, and then can, according to this air pressure adjustment controlling mechanism, make the air pressure of air outlet meet usage requirement, easy to use.
In some embodiments, link is hollow bolt, and the screw section of hollow bolt is with mounting groove for being threaded, and the external diameter of the head of hollow bolt is greater than the internal diameter of mounting groove, and the first intercommunicating pore is located at head place.Thus, by the adjustment of the area of contact of link and mounting groove inwall, the gas held space in mounting groove can be changed, control the buffer level of gas.
In some embodiments, controlling mechanism can also comprise the first compressing tablet and the second compressing tablet, and the first compressing tablet and the second compressing tablet lay respectively at the both sides of seal ring, and pinch seal circle, seal ring is contacted with jacking block by the first compressing tablet, is contacted with Compress Spring by the second compressing tablet.Thus, be provided with the first compressing tablet and the second compressing tablet, can prevent jacking block from directly contacting with seal ring with Compress Spring, prevent seal ring from deforming under the effect of jacking block and Compress Spring, ensure that the sealing of gas in gas pressure reducer.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram that the valve seat of gas pressure reducer of the present invention and valve gap are separated;
Fig. 2 is the left TV structure schematic diagram of the valve seat in Fig. 1;
Fig. 3 is the structural representation of the mechanism of decompressor in gas pressure reducer of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
With reference to shown in Fig. 1, Fig. 2 and Fig. 3: gas pressure reducer, comprise valve seat 1, valve gap 2, the mechanism of decompressor 3 and controlling mechanism 4, valve seat 1 matches with valve gap 2, and valve seat 1 offers outside thread, and valve gap 2 inwall offers internal thread, and valve seat 1 and valve gap 2 are threaded connection; Both can facilitate the space size between regulating valve seat 1 and valve gap 2 inside for being threaded.
The mechanism of decompressor 3 comprises jacking block 31, link 32, movable part 33 and elastic component 34, and elastic component 34 is arranged in mounting groove 11, and link 32 matches with mounting groove 11, and wherein, elastic component 34 can be spring, and link 32 is hollow bolt.Valve seat 1 offers mounting groove 11, and mounting groove 11 is in stepped shaft, and the internal diameter of mounting groove 11 top cell body is minimum, and the internal diameter of bottom cell body is maximum, and the internal diameter of central slot is between the two.Wherein, the internal diameter of mounting groove 11 top cell body is consistent with the external diameter of elastic component 34, and when elastic component 34 is arranged in mounting groove 11, mounting groove 11 pairs of elastic components 34 are located, convenient installation; The inwall of mounting groove 11 bottom cell body offers screw thread, the screw section of hollow bolt with mounting groove 11 for be connected by screw thread.Valve seat 1 offers suction port 12, suction port 12 is opened in the central slot place of mounting groove 11, mounting groove 11 is stepped can ensure that the pressurized gas at suction port 12 place can enter in mounting groove 11 smoothly, suction port 12 is blocked when preventing link 32 from tightening, structural design is more reasonable, optimizes and uses.
Movable part 33 is positioned at link 32, and two ends abut against with jacking block 31 and elastic component 34 respectively, jacking block 31 contacts with controlling mechanism 4, controlling mechanism 4 can promote jacking block 31 and movable part 33 moves, controlling mechanism 4 is arranged on valve gap 2, valve seat 1 offers air outlet 13, and link 32 offers the first intercommunicating pore 5, and suction port 12 is connected by the first intercommunicating pore 5 with air outlet 13.The cross section of movable part 33 is regular hexagon, and the external diameter of movable part 33 is consistent with the internal diameter of the hollow hole 323 of link 32, and the pressurized gas entered by suction port 12 enter in the space between link 32 and movable part 33 after arriving mounting groove 11.Thus, each parts of the space of pressurized gas in mounting groove 11 and the mechanism of decompressor 3 are cushioned, and make pressurized gas flat position low-pressure gas, reach the object of step-down.
In actual use, in order to ensure that movable part 33 can withstand elastic component 34, one-body molded on the end face of movable part 33 have register pin 331, the external diameter of movable part 33 is greater than the external diameter of elastic component 34, register pin 331 is inserted in elastic component 34, when preventing from installing and using, elastic component 34 is moved under external force, and convenient installation, ensure that the transmission of the intermolecular forces of movable part 33 and elastic component 34.
The external diameter of the head 321 of hollow bolt is greater than the maximum inner diameter of mounting groove 11, and the first intercommunicating pore 5 is located at head 321 place, and the first intercommunicating pore 5 is connected with the hollow hole 323 of link 32.
Jacking block 31 comprises the thimble 311, core 312 and the protuberance 313 that connect successively, jacking block 31 is formed in one structure, thimble 311 inserts in the hollow hole 323 of link 32, the external diameter of thimble 311 is less than the internal diameter of hollow hole 323, the external diameter of core 312 is consistent with the internal diameter of hollow hole 323, and it is outside that protuberance 313 is positioned at hollow hole 323.Thimble 311 can promote movable part 33 and move, and when the end contact of the end face of protuberance 313 and link 32, core 312 is corresponding with the first intercommunicating pore 5, makes the gas entering into the first intercommunicating pore 5 through hollow hole 323 minimum; When thimble 311 and the first intercommunicating pore 5 are maximum to entering into the gas of the first intercommunicating pore 5 through hollow hole 323 time corresponding.
Be provided with boss 322 in the middle part of the hollow hole 323 of link 32, the top end face of link 32 is equal with the length of movable part 33 with the distance of convex 322, thus whole movable part 33 can be made to be positioned at hollow hole 323; When movable part 33 contacts with boss 322, thimble 311 is corresponding with the first intercommunicating pore 5, and the gas entering into the first intercommunicating pore 5 through hollow hole 323 is maximum.Thus, the structure of the mechanism of decompressor 3 is simplified, compact structure.
Controlling mechanism 4 comprises adjusting screw rod 41, Compress Spring 42 and seal ring 43, and seal ring 43 contacts with jacking block 31, and seal ring 43 is set in valve gap 2, the outward edge of seal ring 43 and the contact internal walls of valve gap 2.The two ends of Compress Spring 42 contact with adjusting screw rod 41 and seal ring 43 respectively, and adjusting screw rod 41 and valve gap 2, for being threaded, can promote Compress Spring 42 and seal ring 43 moves by rotating adjusting screw rod 41.
Controlling mechanism 4 also comprises the first compressing tablet 44 and the second compressing tablet 45, first compressing tablet 44 and the second compressing tablet 45 lay respectively at the both sides of seal ring 43, and being bolted pinch seal circle 43, seal ring 43 is contacted with jacking block 31 by the first compressing tablet 44, is contacted with Compress Spring 42 by the second compressing tablet 45.
Conveniently adjusting screw rod 41 promotes Compress Spring 42, is provided with jacking block 46 between adjusting screw rod 41 and Compress Spring 42, and the external diameter of jacking block 46 is consistent with the external diameter of Compress Spring 42, facilitates the effect of adjusting screw rod 41.
Valve seat 1 offers cavity 14, and cavity 14 is connected with the first intercommunicating pore 5, and gas enters air outlet 13 after cavity 14.Be provided with cavity 14, can, to the further step-down of the first intercommunicating pore 5 effluent air, the mechanism of decompressor 3 can be facilitated to install in mounting groove 11 simultaneously.
Valve seat 1 offers damping hole 15 and the second intercommunicating pore 16, and damping hole 15 is communicated with by the second intercommunicating pore 16 with cavity 14, and cavity 14 is communicated with air outlet 13 by damping hole 15.Damping hole 15 place is provided with bolt 6, and bolt 6 is connected with damping hole 15 inner thread, is sealed, prevent Leakage Gas by bolt 6 pairs of damping holes 15.
Gas pressure reducer of the present invention also comprises outlet pressure table 7, outlet pressure table 7 is arranged on the first mounting hole 17, first mounting hole 17 is opened on valve seat 1, first mounting hole 17 is connected by the 5th intercommunicating pore 20 with damping hole 15,5th intercommunicating pore 20 is opened on valve seat 1, offer third connecting hole 18 between air outlet 13 and the first mounting hole 17, damping hole 15 is communicated with air outlet 13 by the first mounting hole 17.
Gas pressure reducer of the present invention also comprises boost gauge 8, valve seat 1 is provided with the second mounting hole 19 and the 4th intercommunicating pore 9, boost gauge 8 is arranged on the second mounting hole 19, and the 4th intercommunicating pore 9 is communicated with suction port 12, and boost gauge 8 is connected with suction port 12 by the 4th intercommunicating pore 9.
Gas pressure reducer of the present invention in use, in order to ensure use safety further, prevent the air pressure in valve seat 1 and valve gap 2 too high, valve gap 2 offers pressure relief vent 21, pressure relief vent 21 is positioned at the below (i.e. Compress Spring 42 place side) of seal ring 43.When the air pressure in cavity 14 is excessive and act on seal ring 43, when seal ring 43 is deformed, gas in cavity 14 can be discharged through pressure relief vent 21 by the gap between the seal ring 43 after distortion and valve gap 2, prevent because cavity 14 internal air pressure is excessive and damage gas pressure reducer, and ensure that the use safety of user.
The conveniently use of this gas pressure reducer, at suction port 12, place is connected with connecting rod 10, and one end of connecting rod 10 is connected with suction port 12 by screw thread, and the other end is arranged with nut, is connected with the interface of gas storage tank by nut, facilitates the installation of gas pressure reducer.Meanwhile, in air outlet 13, place has been threaded connection outlet nozzle, facilitates air outlet 13 to be connected with the tracheae of welding gun.
Gas pressure reducer of the present invention operationally, pressurized gas are after suction port 12 enters, enter in mounting groove 11, then reach in cavity 14 through the mechanism of decompressor 3 and the first intercommunicating pore 5, pressurized gas obtain low-pressure gas through the mechanism of decompressor 3 decompression, because the volume of cavity 14 is comparatively large, make gas step-down again.Meanwhile, the gas entered in suction port 12 arrives boost gauge 8 place by the 4th intercommunicating pore 9, can be learnt the pressure of the gas that suction port 12 place enters by boost gauge 8.Gas in cavity 14 arrives damping hole 15 through the second intercommunicating pore 16, and after arriving damping hole 15, gas arrives outlet pressure table 7 through the 5th intercommunicating pore 20, measures the force value of post-decompression low-pressure gas; Meanwhile, the gas in damping hole 15 arrives air outlet 13 through third connecting hole 18, and low-pressure gas is smooth to be exported stably.
Be provided with the reading that boost gauge 8 and outlet pressure table 7 can be shown by dial plate to regulate controlling mechanism 4, the gas pressure of output can be adjusted to required force value, improve Output pressure control accuracy.
In order to turn down the air pressure exporting gas, turn adjusting screw rod 41, make adjusting screw rod 41 promote jacking block 31 by Compress Spring 42 and the first compressing tablet 44 to move to the side, top of mounting groove 11, make spool 312 corresponding with the hollow hole 323 of link 32 gradually, the gas flowing to the first intercommunicating pore 5 through hollow hole 323 is reduced, makes gas obtain more hypobaric gas after the mechanism of decompressor 3.Otherwise, when the gas needing output pressure higher, turn adjusting screw rod 41 to opposite direction, make the corresponding increase of gas flowing to the first intercommunicating pore 5 through hollow hole 323, meet usage requirement.
The main body section of the valve seat 1 in gas pressure reducer of the present invention is cylindrical, suction port 12, air outlet 13, damping hole 15 and the second mounting hole 19 are distributed on the periphery of the main part of valve seat 1, make the equal non-interference in each hole, and facilitate offering and the installation of each hole place parts of each hole, reasonable in design, easy to use.Meanwhile, one-body molded at the top of the main part of valve seat 1 have hemisphere mounting platform, facilitate offering of the first mounting hole 17, facilitate the installation of outlet pressure table 7, and the outward edge of this hemisphere mounting platform do not exceed the edge of main body section, saves material.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (9)
1. gas pressure reducer, wherein, comprise valve seat (1), valve gap (2), the mechanism of decompressor (3) and controlling mechanism (4), described valve seat (1) matches with valve gap (2), the described mechanism of decompressor (3) comprises jacking block (31), link (32), movable part (33) and elastic component (34), described valve seat (1) offers mounting groove (11), described elastic component (34) is arranged in mounting groove (11), described link (32) matches with mounting groove (11), described movable part (33) is positioned at link (32), and two ends abut against with jacking block (31) and elastic component (34) respectively, described jacking block (31) contacts with controlling mechanism (4), described controlling mechanism (4) can promote jacking block (31) and movable part (33) is mobile, described controlling mechanism (4) is arranged on valve gap (2), described valve seat (1) offers suction port (12) and air outlet (13), described link (32) offers the first intercommunicating pore (5), described suction port (12) is connected by the first intercommunicating pore (5) with air outlet (13).
2. gas pressure reducer according to claim 1, wherein, described controlling mechanism (4) comprises adjusting screw rod (41), Compress Spring (42) and seal ring (43), described seal ring (43) contacts with jacking block (31), described seal ring (43) is set in valve gap (2), the two ends of described Compress Spring (42) contact with adjusting screw rod (41) and seal ring (43) respectively, described adjusting screw rod (41) and valve gap (2) are for being threaded, described adjusting screw rod (41) can promote Compress Spring (42) and seal ring (43) is mobile.
3. gas pressure reducer according to claim 1 and 2, wherein, described valve seat (1) is provided with cavity (14), described cavity (14) is connected with the first intercommunicating pore (5), and gas enters air outlet (13) after described cavity (14).
4. gas pressure reducer according to claim 3, wherein, described valve seat (1) is provided with damping hole (15) and the second intercommunicating pore (16), described damping hole (15) is communicated with by the second intercommunicating pore (16) with cavity (14), and described cavity (14) is communicated with air outlet (13) by damping hole (15).
5. gas pressure reducer according to claim 4, wherein, described damping hole (15) place is provided with bolt (6), and described bolt (6) is connected with damping hole (15) inner thread.
6. gas pressure reducer according to claim 5, wherein, also comprise outlet pressure table (7), described outlet pressure table (7) is arranged on the first mounting hole (17), described first mounting hole (17) is located on valve seat (1), described first mounting hole (17) is connected with damping hole (15), offer third connecting hole (18) between described air outlet (13) and the first mounting hole (17), described damping hole (15) is communicated with air outlet (13) by the first mounting hole (17).
7. gas pressure reducer according to claim 1, wherein, also comprise boost gauge (8), described valve seat (1) is provided with the second mounting hole (19) and the 4th intercommunicating pore (9), described boost gauge (8) is arranged on the second mounting hole (19), described 4th intercommunicating pore (9) is communicated with suction port (12), and described boost gauge (8) is connected with suction port (12) by the 4th intercommunicating pore (9).
8. gas pressure reducer according to claim 1, wherein, described link (32) is hollow bolt, the screw section of described hollow bolt with mounting groove (11) for being threaded, the external diameter of the head (321) of described hollow bolt is greater than the internal diameter of mounting groove (11), and described first intercommunicating pore (5) is located at described head (321) place.
9. gas pressure reducer according to claim 2, wherein, described controlling mechanism (4) also comprises the first compressing tablet (44) and the second compressing tablet (45), described first compressing tablet (44) and the second compressing tablet (45) lay respectively at the both sides of seal ring (43), and pinch seal circle (43), described seal ring (43) is contacted with jacking block (31) by the first compressing tablet (44), is contacted with Compress Spring (42) by the second compressing tablet (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510082050.3A CN104633264B (en) | 2015-02-13 | 2015-02-13 | Gas pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510082050.3A CN104633264B (en) | 2015-02-13 | 2015-02-13 | Gas pressure reducing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104633264A true CN104633264A (en) | 2015-05-20 |
| CN104633264B CN104633264B (en) | 2017-02-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510082050.3A Active CN104633264B (en) | 2015-02-13 | 2015-02-13 | Gas pressure reducing valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN104633264B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105534144A (en) * | 2016-01-08 | 2016-05-04 | 长沙鹏跃五洋信息科技有限公司 | Cooling mat |
| CN105534146A (en) * | 2016-01-08 | 2016-05-04 | 长沙鹏跃五洋信息科技有限公司 | Cooling mat |
| CN105534145A (en) * | 2016-01-08 | 2016-05-04 | 长沙鹏跃五洋信息科技有限公司 | Cooling mat |
| CN105662005A (en) * | 2016-01-08 | 2016-06-15 | 长沙鹏跃五洋信息科技有限公司 | Cooling pad |
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| US2202313A (en) * | 1937-11-10 | 1940-05-28 | Marvin H Grove | Fluid pressure regulator |
| US6161573A (en) * | 1999-05-13 | 2000-12-19 | Sheng; Chih-Sheng | Air pressure regulator |
| CN101280857A (en) * | 2008-05-15 | 2008-10-08 | 王扬平 | Balance pressure water compensating valve |
| CN204437459U (en) * | 2015-02-13 | 2015-07-01 | 王少华 | Gas pressure reducer |
-
2015
- 2015-02-13 CN CN201510082050.3A patent/CN104633264B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2202313A (en) * | 1937-11-10 | 1940-05-28 | Marvin H Grove | Fluid pressure regulator |
| US6161573A (en) * | 1999-05-13 | 2000-12-19 | Sheng; Chih-Sheng | Air pressure regulator |
| CN101280857A (en) * | 2008-05-15 | 2008-10-08 | 王扬平 | Balance pressure water compensating valve |
| CN204437459U (en) * | 2015-02-13 | 2015-07-01 | 王少华 | Gas pressure reducer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105534144A (en) * | 2016-01-08 | 2016-05-04 | 长沙鹏跃五洋信息科技有限公司 | Cooling mat |
| CN105534146A (en) * | 2016-01-08 | 2016-05-04 | 长沙鹏跃五洋信息科技有限公司 | Cooling mat |
| CN105534145A (en) * | 2016-01-08 | 2016-05-04 | 长沙鹏跃五洋信息科技有限公司 | Cooling mat |
| CN105662005A (en) * | 2016-01-08 | 2016-06-15 | 长沙鹏跃五洋信息科技有限公司 | Cooling pad |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104633264B (en) | 2017-02-22 |
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