CN113187940B - Split valve body with quick-release mechanism - Google Patents
Split valve body with quick-release mechanism Download PDFInfo
- Publication number
- CN113187940B CN113187940B CN202110538648.4A CN202110538648A CN113187940B CN 113187940 B CN113187940 B CN 113187940B CN 202110538648 A CN202110538648 A CN 202110538648A CN 113187940 B CN113187940 B CN 113187940B
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- Prior art keywords
- frame
- valve body
- lateral
- pipe
- inner locking
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- 238000007789 sealing Methods 0.000 claims abstract description 23
- 238000005242 forging Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229910001039 duplex stainless steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 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
- 239000003345 natural gas Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- -1 steam Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention relates to the technical field of valve sealing forgings, in particular to a split valve body with a quick-dismantling mechanism, which comprises a main valve body, a lateral conveying pipe and a top assembling pipe. The split valve body with the quick-dismantling mechanism adopts split design layout, so that the split valve body can be quickly disassembled, maintained and replaced for the main valve body, the lateral conveying pipe and the top assembly pipe, and the application range of the split valve body is very wide; the upper valve cover is fixed at the lower end of the upper assembly pipe, the inner locking valve frame of a split structure is arranged in the main valve body, the inner locking mechanism in the lateral conveying pipe is fixed and limited by the inner locking valve frame, and the assembly and disassembly are simple and convenient; the lateral limiting socket matched with the internal limiting block is formed in the internal locking valve frame, the internal limiting block is utilized to fix and limit the internal locking valve frame, and therefore the assembly firmness and stability of the lateral conveying pipe are greatly improved.
Description
Technical Field
The invention relates to the technical field of valve sealing forgings, in particular to a split valve body with a quick-dismantling mechanism.
Background
The valve is a pipeline accessory for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow rate) of a conveying medium.
In fluid piping, valves are control elements that primarily function to isolate equipment from the piping, regulate flow, prevent backflow, regulate and drain pressure. Can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. Since it is important that the piping system select the most appropriate valve, it is also important to know the valve characteristics and the steps and basis for selecting the valve.
The valve industry has been able to produce 12 or more types of gate valves, shut-off valves, throttle valves, plug valves, ball valves, motor-operated valves, diaphragm valves, check valves, safety valves, pressure reducing valves, steam traps, emergency shut-off valves, etc. to date, the valve industry has been able to produce a wide variety of types, including 3000 or more; the highest working pressure is 600MPa, the maximum nominal diameter is 5350mm, the highest working temperature is 1200 ℃, the lowest working temperature is-196 ℃, and applicable mediums are water, steam, oil products, natural gas, strong corrosive mediums (such as concentrated nitric acid, medium-concentration sulfuric acid and the like), inflammable mediums (such as benzene, ethylene and the like), toxic mediums (such as hydrogen sulfide), explosive mediums and radioactive mediums (sodium metal, loop pure water and the like). The valve pressure-bearing member is made of brass, cast iron, spheroidal graphite cast iron, high silicon cast iron, cast steel, forged steel, high/low alloy steel, stainless steel 304, stainless acid-resistant steel, duplex stainless steel, titanium alloy and the like, and can produce various electric, pneumatic, manual and hydraulic valve driving devices.
In traditional valve processing production process, mainly adopt integral type forging forming technology to process and make, the valve body that this kind of processing production mode made is fixed knot constructs, can't dismantle the maintenance and change the valve body as required fast, leads to it in case to have a problem can only wholly change, and maintenance and change cost are very high, and application scope is limited, and the modularization degree is very low.
Disclosure of Invention
The invention aims to solve the technical problems that: in order to solve the problems in the prior art, the improved split valve body with the quick-dismantling mechanism is provided, and the problems that the valve body produced by the traditional valve forging cannot be quickly dismantled, maintained and replaced as required, so that once the valve body is in trouble, the valve body can only be replaced integrally, the maintenance and replacement cost is very high, the application range is limited, and the modularization degree is very low are solved.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a split type valve body with quick detach mechanism, includes main valve body, side direction conveyer pipe and top dress piping, main valve body upper end be equipped with open top, main valve lateral surface on seted up the side direction opening that is used for installing side direction conveyer pipe, main valve body inside activity peg graft have inside locking valve frame, side direction conveyer pipe inboard end have inside locking mechanism of integral structure, top dress piping lower extreme have an integral structure top valve gap, top dress piping pass through top valve gap cover on inside locking valve frame with main valve body upper end bolt fixed connection.
The inner locking valve frame is characterized in that arc-shaped assembly openings are symmetrically formed in the outer side face of the inner locking valve frame, arc-shaped limiting plates matched with the inner locking mechanism are symmetrically arranged on the inner bottom face and the inner top face of the arc-shaped assembly openings, and the inner locking valve frame is sleeved on the inner locking mechanism through the arc-shaped assembly openings and fixedly connected with the lateral conveying pipe.
The internal locking mechanism comprises an integral structure connecting pipe fixed at the inner side end of the lateral conveying pipe and a limiting frame axially fixed at the top end of the connecting pipe.
The upper end of the outer side surface of the inner locking valve frame is provided with a lateral limit socket, the inner side surface of the top valve cover is provided with an inner limit block matched with the lateral limit socket, and the top valve cover is inserted into the lateral limit socket through the inner limit block and fixedly connected with the inner locking valve frame.
The main valve body is characterized in that a first lateral assembly hole with an upper end opening is formed in the outer side face of the main valve body, a second lateral assembly hole with a lower end opening is formed in the outer side face of the top valve cover, and the main valve body is fixedly connected with the top valve cover through locking bolts in the first lateral assembly hole and the second lateral assembly hole.
The side wall of the connecting end of the lateral conveying pipe and the connecting inner wall of the lateral opening are provided with sealing inclined planes which are matched with each other.
The internal locking valve frame consists of a first internal frame body and a second internal frame body, wherein an integral structure internal sealing frame is arranged on the inner wall of the connecting end of the first internal frame body and the second internal frame body, and two ends of the internal sealing frame are provided with arc sealing covers which are matched with each other.
The bottom positioning block matched with the inner sealing frame is arranged on the inner bottom surface of the main valve body.
The upper end of the bottom positioning block is provided with an inclined guide groove.
The beneficial effects of the invention are as follows:
(1) The split valve body with the quick-dismantling mechanism adopts split design layout, so that the split valve body can be quickly disassembled, maintained and replaced for the main valve body, the lateral conveying pipe and the top assembly pipe, and the application range of the split valve body is very wide;
(2) The upper valve cover is fixed at the lower end of the upper assembly pipe, the inner locking valve frame of a split structure is arranged in the main valve body, the inner locking mechanism in the lateral conveying pipe is fixed and limited by the inner locking valve frame, and the assembly and disassembly are simple and convenient;
(3) The internal locking valve frame is provided with a lateral limit socket matched with the internal limit block, and the internal limit block can be used for fixing and limiting the internal locking valve frame, so that the assembly firmness and stability of the lateral conveying pipe are greatly improved;
(4) The inner walls of the connecting ends of the first inner frame body and the second inner frame body are provided with the matched inner sealing frames of an integrated structure, and the valve rod in the valve body can be quickly assembled by the mutual matching of the arc sealing covers at the two sides of the inner sealing frames, and meanwhile, the sealing cover plate on the valve rod is installed and opened and closed, so that the installation and the matching are convenient;
(5) The bottom positioning block with the overhead inclined guide groove is arranged on the inner bottom surface of the main valve body, so that the stability of the bottom assembly end of the inner locking valve frame is improved.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an internal cross-sectional view of the present invention.
Fig. 3 is a top view of the interior of the main valve body of the present invention.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
The split valve body with the quick-release mechanism is shown in fig. 1, 2 and 3, and comprises a main valve body 1, a lateral conveying pipe 2 and a top assembly pipe 3, wherein the upper end of the main valve body 1 is provided with a top opening, the lateral opening for installing the lateral conveying pipe 2 is formed in the outer side face of the main valve body 1, an inner locking valve frame 4 is movably inserted in the main valve body 1, an integral structure inner locking mechanism is arranged at the inner side end of the lateral conveying pipe 2, an integral structure top valve cover 5 is arranged at the lower end of the top assembly pipe 3, and the top assembly pipe 3 is fixedly connected with the upper end bolt of the main valve body 1 through the top valve cover 5 sleeved on the inner locking valve frame 4.
Further, for cooperation rotation locking, arc assembly mouth 6 has been seted up to symmetry on the inside locking valve frame 4 lateral surface, arc assembly mouth 6 inner bottom surface and interior top surface on the symmetry be provided with inside locking mechanism matched with arc limiting plate 7, inside locking valve frame 4 pass through arc assembly mouth 6 cover on inside locking mechanism with side direction conveyer pipe 2 fixed connection, further, for cooperation assembly is fixed, inside locking mechanism is including fixing at the integrative structural connection pipe 8 of side direction conveyer pipe 2 inboard end and the spacing frame 9 of axial fixation at the connecting pipe 8 top.
Examples: the inner locking valve frame 4 is inserted into the main valve body 1, then the connecting pipe 8 and the limiting frame 9 on the inner side of the lateral conveying pipe 2 are inserted into the arc-shaped assembly opening 6, the inner locking valve frame 4 is rotated, the arc-shaped limiting plate 7 is clamped on the outer side of the limiting frame 9, and the lateral conveying pipe 2 is fixed on the outer side of the main valve body 1.
Further, in order to match the lateral upper end location, the lateral limit socket 10 is provided at the upper end of the outer side surface of the internal locking valve frame 4, the inner side surface of the top valve cover 5 is provided with an internal limit block 11 matched with the lateral limit socket 10, and the top valve cover 5 is inserted into the lateral limit socket 10 through the internal limit block 11 and fixedly connected with the internal locking valve frame 4.
Examples: the top valve cover 5 is inserted into the lateral limit socket 10 through the internal limit block 11 to fix the internal locking valve frame 4 and the top valve cover 5, and then the top valve cover 5 is fixed on the main valve body 1 through bolts to fix the position of the internal locking valve frame 4.
Further, for the purpose of matching and fixing assembly, a first lateral assembly hole 12 with an open upper end is formed on the outer side surface of the main valve body 1, a second lateral assembly hole 13 with an open lower end is formed on the outer side surface of the top valve cover 5, and the main valve body 1 and the top valve cover 5 are fixedly connected through locking bolts 14 in the first lateral assembly hole 12 and the second lateral assembly hole 13.
Examples: the first and second lateral mounting holes 12 and 13 have a lower counterbore.
Further, in order to improve the tightness of the lateral assembly, the side wall of the connecting end of the lateral conveying pipe 2 and the connecting inner wall of the lateral opening are provided with sealing inclined surfaces which are matched with each other.
Examples: the requirement on the assembly processing precision can be reduced by utilizing the sealing inclined plane.
Further, for the purpose of matching seal limit and movable assembly, the internal locking valve frame 4 is composed of a first internal frame body 15 and a second internal frame body 16, an integral internal seal frame 17 is arranged on the inner wall of the connecting end of the first internal frame body 15 and the second internal frame body 16, and two ends of the internal seal frame 17 are provided with arc seal covers 18 matched with each other.
Examples: the arc-shaped sealing covers 18 on the first inner frame 15 and the second inner frame 16 are mutually spliced to form an annular structure.
Further, in order to enhance the stability of the bottom assembly, the main valve body 1 has a bottom positioning block 19 on the inner bottom surface thereof, which is fitted with the inner seal frame 17.
Examples: the bottom positioning block 19 is mounted at the outer end of the inner seal frame 17 and is provided on the side not contacting the seal plate surface.
Further, in order to improve the guiding performance, the bottom positioning block 19 is provided with an inclined guiding groove 20 at the upper end for convenient clamping.
The split valve body with the quick-dismantling mechanism adopts split design layout, so that the split valve body can be quickly disassembled, maintained and replaced for the main valve body 1, the lateral conveying pipe 2 and the top assembly pipe 3, and the application range of the split valve body is quite wide; the lower end of the top assembly pipe 3 is fixedly provided with a top valve cover, the inside of the main valve body 1 is provided with a split-type structure internal locking valve frame 4, the internal locking mechanism in the side conveying pipe 2 is fixedly limited by utilizing the internal locking valve frame 4, and the disassembly and assembly are simple and convenient; the inner locking valve frame 4 is provided with a lateral limit socket 10 matched with an inner limit block 11, and the inner limit block 11 can be used for fixedly limiting the inner locking valve frame 4, so that the assembly firmness and stability of the lateral conveying pipe 2 are greatly improved; the inner walls of the connecting ends of the first inner frame body 15 and the second inner frame body 16 are provided with the matched inner sealing frames 17 with an integrated structure, and the valve rod in the valve body can be quickly assembled by the mutual matching of the arc-shaped sealing covers 18 on the two sides of the inner sealing frames 17, and meanwhile, the sealing cover plate on the valve rod is installed and opened and closed, so that the installation and the matching are convenient; the bottom positioning block 19 with the inclined guide groove 20 is arranged on the inner bottom surface of the main valve body 1, so that the stability of the bottom assembly end of the inner locking valve frame 4 is improved.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (1)
1. The utility model provides a split type valve body with quick detach mechanism, includes main valve body (1), side direction conveyer pipe (2) and top assembly piping (3), characterized by: the upper end of the main valve body (1) is provided with a top opening, the outer side surface of the main valve body (1) is provided with a lateral opening for installing a lateral conveying pipe (2), an inner locking valve frame (4) is movably inserted in the main valve body (1), the inner side end of the lateral conveying pipe (2) is provided with an inner locking mechanism with an integrated structure, the lower end of the top assembling pipe (3) is provided with a top valve cover (5) with an integrated structure, the top assembling pipe (3) is fixedly connected with the upper end bolt of the main valve body (1) on the inner locking valve frame (4) through the top valve cover (5), the outer side surface of the inner locking valve frame (4) is symmetrically provided with an arc-shaped assembly opening (6), the inner bottom surface and the inner top surface of the arc-shaped assembly opening are symmetrically provided with arc-shaped limiting plates (7) matched with the inner locking mechanism, the inner locking valve frame (4) are fixedly connected with the lateral conveying pipe (2) on the inner locking mechanism through the arc-shaped assembly opening sleeve, the inner locking mechanism comprises an inner locking structure (8) fixed on the inner side conveying pipe (2) and an inner locking mechanism, the inner locking mechanism is fixedly connected with the inner locking mechanism (8) with the inner connecting pipe (8) through the inner locking mechanism, the inner locking mechanism is fixedly inserted into the inner connecting pipe (8) and the inner connecting pipe (8) with the inner connecting pipe (8) through the inner locking mechanism, and the inner connecting pipe (8) axially fixedly inserted into the inner connecting pipe (8) with the inner connecting pipe (8) through the inner connecting pipe (8), the inner locking valve frame (4) is rotated, and the arc-shaped limiting plate (7) is clamped at the outer side of the limiting frame (9), so that the lateral conveying pipe (2) is fixed at the outer side of the main valve body (1);
the upper end of the outer side surface of the inner locking valve frame (4) is provided with a lateral limit socket (10), the inner side surface of the top valve cover (5) is provided with an inner limit block (11) matched with the lateral limit socket (10), and the top valve cover (5) is inserted into the lateral limit socket (10) through the inner limit block (11) and is fixedly connected with the inner locking valve frame (4);
a first lateral assembly hole (12) with an opening at the upper end is formed in the outer side surface of the main valve body (1), a second lateral assembly hole (13) with an opening at the lower end is formed in the outer side surface of the top valve cover (5), and the main valve body (1) is fixedly connected with the top valve cover (5) through a locking bolt (14) in the first lateral assembly hole (12) and the second lateral assembly hole (13);
the side wall of the connecting end of the lateral conveying pipe (2) and the connecting inner wall of the lateral opening are provided with sealing inclined planes which are matched with each other;
the inner locking valve frame (4) consists of a first inner frame body (15) and a second inner frame body (16), wherein an inner sealing frame (17) with an integral structure is arranged on the inner wall of the connecting end of the first inner frame body (15) and the inner wall of the connecting end of the second inner frame body (16), and two ends of the inner sealing frame (17) are provided with arc-shaped sealing covers (18) which are matched with each other;
the inner bottom surface of the main valve body (1) is provided with a bottom positioning block (19) matched with the inner sealing frame (17);
the upper end of the bottom positioning block (19) is provided with an inclined guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110538648.4A CN113187940B (en) | 2021-05-18 | 2021-05-18 | Split valve body with quick-release mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110538648.4A CN113187940B (en) | 2021-05-18 | 2021-05-18 | Split valve body with quick-release mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113187940A CN113187940A (en) | 2021-07-30 |
| CN113187940B true CN113187940B (en) | 2024-01-09 |
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ID=76982564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110538648.4A Active CN113187940B (en) | 2021-05-18 | 2021-05-18 | Split valve body with quick-release mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113187940B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2559848Y (en) * | 2002-07-29 | 2003-07-09 | 刘斌 | Easy-to-dismounting and mounting indirect effet type pressure regulating valve |
| CN203718011U (en) * | 2014-01-21 | 2014-07-16 | 张家港富瑞特种装备股份有限公司 | Low-temperature ball valve |
| CN207906545U (en) * | 2018-02-06 | 2018-09-25 | 博艺欧（厦门）阀门有限公司 | A kind of anti-leakage ceramic ball valve |
| CN209340614U (en) * | 2018-10-15 | 2019-09-03 | 瑞安市希特汽车零部件有限公司 | A kind of water-heating valve |
| CN211976073U (en) * | 2019-12-31 | 2020-11-20 | 上海桥诗阀门制造有限公司 | Three-piece ball valve convenient to disassemble and lock |
| CN212868594U (en) * | 2020-07-01 | 2021-04-02 | 浙江豪迪斯阀门有限公司 | Split type fast-assembling check valve foundry goods |
-
2021
- 2021-05-18 CN CN202110538648.4A patent/CN113187940B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2559848Y (en) * | 2002-07-29 | 2003-07-09 | 刘斌 | Easy-to-dismounting and mounting indirect effet type pressure regulating valve |
| CN203718011U (en) * | 2014-01-21 | 2014-07-16 | 张家港富瑞特种装备股份有限公司 | Low-temperature ball valve |
| CN207906545U (en) * | 2018-02-06 | 2018-09-25 | 博艺欧（厦门）阀门有限公司 | A kind of anti-leakage ceramic ball valve |
| CN209340614U (en) * | 2018-10-15 | 2019-09-03 | 瑞安市希特汽车零部件有限公司 | A kind of water-heating valve |
| CN211976073U (en) * | 2019-12-31 | 2020-11-20 | 上海桥诗阀门制造有限公司 | Three-piece ball valve convenient to disassemble and lock |
| CN212868594U (en) * | 2020-07-01 | 2021-04-02 | 浙江豪迪斯阀门有限公司 | Split type fast-assembling check valve foundry goods |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113187940A (en) | 2021-07-30 |
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