CN112879642A - Valve component structure capable of being used in seamless butt joint - Google Patents
Valve component structure capable of being used in seamless butt joint Download PDFInfo
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- CN112879642A CN112879642A CN202110039852.1A CN202110039852A CN112879642A CN 112879642 A CN112879642 A CN 112879642A CN 202110039852 A CN202110039852 A CN 202110039852A CN 112879642 A CN112879642 A CN 112879642A
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- sealing
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- clamping groove
- groove
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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
- 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
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention provides a valve component structure capable of being used in seamless butt joint, relates to the technical field of valves, and solves the problem that synchronous sealing of multiple sealing structures cannot be realized through structural improvement; the clamping and the adsorption fixing can not be combined with each other through structural improvement. A valve component structure capable of being used in seamless butt joint comprises a valve main body and a clamping groove; a switch structure is installed in the valve main body, and a sealing structure is welded in the valve main body. Because of the external diameter in joint groove is greater than the bellied external diameter of joint, and the joint groove has still constituteed the protruding and sealed gas adsorption formula fixed knot who fills up A of joint and has constructed to when pressing sealed pad A back in draw-in groove B, can be with the gas outgoing in the joint inslot because of sealed pad A's deformation this moment, can realize the protruding and sealed pad A's of joint absorption fixedly through the negative pressure of joint inslot when the liberation is sealed the pressing of pad A.
Description
Technical Field
The invention belongs to the technical field of valves, and particularly relates to a valve component structure capable of being used in seamless butt joint.
Background
Valves are accessories for pipes used to open and close the pipe, control flow direction, regulate and control parameters of the transport medium. According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like.
As in application No.: the invention discloses a valve component with a pressure relief structure, which comprises an air inlet valve body and two air outlet valve bodies communicated with the air inlet valve body, wherein the air inlet valve body is provided with a pressure relief structure; the two air outlet valve bodies are symmetrically arranged in an L shape, the port openings of the two air outlet valve bodies are respectively provided with a sealing vertical plate, the lower ends of the sealing vertical plates at two sides are respectively provided with a valve port, the lower end edge of each valve port extends to the transverse edge of the air outlet valve body, and the upper end of each valve port is arranged into an oblique conical edge. The design of the conical inclined plane in the device enables the opening and closing of the valve to achieve the purpose of automatic pressure relief, and the valve cannot bear larger resistance and pressure when being gradually closed.
The valve structure similar to the above application has the following disadvantages:
one is that the existing device has poor sealing effect and cannot realize synchronous sealing of multiple sealing structures through structural improvement; moreover, the sealing gasket of the existing device is only fixed by clamping during installation, and the clamping and the adsorption fixing can not be combined with each other through structural improvement; finally, the existing devices are not able to achieve seamless connection when connected to a pipeline.
Accordingly, in view of the above, research and improvement are made on the existing structure and defects, and a valve component structure capable of being used in seamless butt joint is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides a valve component structure capable of being used in seamless butt joint, which aims to solve the problems that the existing device has poor sealing effect and cannot realize synchronous sealing of multiple sealing structures through structural improvement in the prior art; moreover, the sealing gasket of the existing device is only fixed by clamping during installation, and the clamping and the adsorption fixing can not be combined with each other through structural improvement; finally, the problem that seamless connection cannot be achieved when the existing device is connected with a pipeline is solved.
The invention relates to a valve component structure which can be used for seamless butt joint, and the purpose and the effect are achieved by the following specific technical means:
a valve component structure capable of being used in seamless butt joint comprises a valve main body and a clamping groove; a switch structure is arranged in the valve main body, and a sealing structure is welded in the valve main body; the valve main body is connected with a water inlet pipe and a water outlet pipe, and the water outlet pipe is in threaded connection with a connecting pipe; the external diameter in joint groove is greater than the bellied external diameter of joint, and the joint groove has still constituteed the protruding and sealed gas adsorption formula fixed knot who fills up A of joint and has constructed.
Furthermore, the valve main body comprises a sealing cover, a seat body and a sealing block, and the sealing cover is in threaded connection with the valve main body; the seat body is welded on the valve main body, and the section of the seat body is of an L-shaped structure; a sealing block is clamped in the seat body and is in contact with the outer wall of the sealing cover.
Further, the valve main body further comprises a baffle plate, the baffle plate is welded on the sealing cover and is of a cylindrical plate-shaped structure, and the bottom end face of the sealing cover is in elastic contact with the sealing block after the sealing cover is screwed down.
Furthermore, the valve main body also comprises a clamping groove A, the clamping groove A is formed in the baffle, and the clamping groove A is of a cylindrical groove-shaped structure; the switch structure comprises a switch block, an adjusting rod and a connecting rod, wherein the switch block is rotatably connected in the valve main body, the adjusting rod is welded on the switch block, and the adjusting rod is also connected to the sealing cover in a sliding manner; the adjusting rod is inserted with a connecting rod, the head end of the connecting rod is matched with the clamping groove A, and the head end of the connecting rod is connected with the clamping groove A in an inserting mode.
Further, the sealing structure comprises a sealing seat, a clamping groove B and a sealing gasket A, the sealing seat is welded on the inner wall of the valve main body, and the clamping groove B is formed in the sealing seat; the clamping groove B is internally clamped with a sealing gasket A, and the sealing gasket A is in elastic contact with the end of the sealing cover.
Furthermore, the sealing structure also comprises a clamping groove and a clamping bulge, wherein the clamping groove is formed in the sealing seat and is of an annular groove-shaped structure; the clamping protrusion is welded on the sealing gasket A in a welding mode and is of an annular structure; the joint arch links to each other with joint groove joint, and joint arch and joint groove have constituteed sealed supplementary fixed knot who fills up A jointly and have constructed.
Further, the drain pipe comprises a thread groove, the drain pipe is provided with the thread groove, the thread groove is in threaded connection with the head end of the connecting pipe, and the inner diameter of the connecting pipe is equal to that of the drain pipe.
Further, the connecting pipe comprises a baffle ring and a sealing gasket B, the baffle ring is welded on the connecting pipe, the sealing gasket B is sleeved on the connecting pipe, and the sealing gasket B is connected with the baffle ring in an adhesion manner; when the connecting pipe is in threaded connection with the drain pipe, the sealing gasket B is in elastic contact with the head end of the drain pipe.
Compared with the prior art, the invention has the following beneficial effects:
the sealing structure of the sealing cover is improved, firstly, the seat body is welded on the valve main body, and the section of the seat body is of an L-shaped structure; a sealing block is clamped in the seat body and is contacted with the outer wall of the sealing cover, so that auxiliary sealing of the sealing cover can be realized; secondly, the baffle is welded on the sealing cover, the baffle is of a cylindrical plate-shaped structure, and the bottom end face of the sealing cover is in elastic contact with the sealing block after the sealing cover is screwed down, so that the sealing performance between the sealing cover and the valve main body can be enhanced; thirdly, the sealing seat is welded on the inner wall of the valve main body and is provided with a clamping groove B; the clamping groove B is internally clamped with a sealing gasket A, and the sealing gasket A is in elastic contact with the end of the sealing cover, so that the sealing performance of the sealing cover can be realized.
Through seal structure's setting, the external diameter because of the joint groove is greater than the bellied external diameter of joint, and the joint groove has still constituteed the protruding and sealed gas adsorption formula fixed knot who fills up A of joint and has constructed to when will fill up A press the joint back in draw-in groove B, can realize the protruding and sealed absorption of A of packing of joint through the negative pressure of joint inslot when releasing to sealed A of packing that the gas outgoing in the joint inslot can be filled up with the deformation of sealed A this moment.
Through the setting of connecting rod, because of pegging graft on the regulation pole has a connecting rod, and connecting rod head end and draw-in groove A phase-match to connecting rod head end and draw-in groove A peg graft and link to each other, thereby can realize the dismantlement of sealed lid when rotating the regulation pole.
The connecting structure of the drain pipe and the connecting pipe is improved, firstly, the drain pipe is provided with a thread groove which is in threaded connection with the head end of the connecting pipe, and the inner diameter of the connecting pipe is equal to that of the drain pipe, so that the seamless butt joint of the drain pipe and the connecting pipe is realized; secondly, the baffle ring is welded on the connecting pipe, the connecting pipe is also sleeved with a sealing gasket B, and the sealing gasket B is connected with the baffle ring in an adhesion manner; when the connecting pipe is in threaded connection with the drain pipe, the sealing gasket B is in elastic contact with the head end of the drain pipe, so that the sealing effect of the joint of the connecting pipe and the drain pipe is improved.
Drawings
Fig. 1 is a partially cut-away front view structure diagram of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is an enlarged schematic view of fig. 2 at a.
Fig. 4 is an enlarged schematic view of fig. 2B according to the present invention.
Fig. 5 is an enlarged view of the structure of fig. 2C according to the present invention.
Fig. 6 is a schematic diagram of the split structure of fig. 2 of the present invention.
Fig. 7 is an enlarged view of fig. 6D according to the present invention.
Fig. 8 is an enlarged view of fig. 6E according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a valve body; 101. a sealing cover; 102. a base body; 103. a sealing block; 104. a baffle plate; 105. a clamping groove A; 2. a switch structure; 201. a switch block; 202. adjusting a rod; 203. a connecting rod; 3. a sealing structure; 301. a sealing seat; 302. a clamping groove B; 303. a gasket A; 304. a clamping groove; 305. clamping the bulges; 4. a water inlet pipe; 5. a drain pipe; 501. a thread groove; 6. a connecting pipe; 601. a baffle ring; 602. and a gasket B.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides a valve component structure capable of being used in seamless butt joint, which comprises a valve main body 1 and a clamping groove 304; a switch structure 2 is arranged in the valve main body 1, and a sealing structure 3 is welded in the valve main body 1; the valve main body 1 is connected with a water inlet pipe 4 and a water outlet pipe 5, and the water outlet pipe 5 is in threaded connection with a connecting pipe 6; referring to fig. 4 and 7, the outer diameter of the clamping groove 304 is larger than the outer diameter of the clamping protrusion 305, and the clamping groove 304 also forms a gas adsorption type fixing structure of the clamping protrusion 305 and the sealing gasket a303, so that when the sealing gasket a303 is pressed and clamped in the clamping groove B302, gas in the clamping groove 304 can be discharged due to deformation of the sealing gasket a303, and when the sealing gasket a303 is released from being pressed, adsorption and fixation of the clamping protrusion 305 and the sealing gasket a303 can be realized through negative pressure in the clamping groove 304.
Referring to fig. 2 and 3, the valve body 1 includes a sealing cap 101, a seat body 102, and a sealing block 103, the sealing cap 101 being screwed to the valve body 1; the seat body 102 is welded on the valve main body 1, and the section of the seat body 102 is of an L-shaped structure; a sealing block 103 is clamped in the seat body 102, and the sealing block 103 contacts with the outer wall of the sealing cover 101, so that auxiliary sealing of the sealing cover 101 can be realized.
Referring to fig. 2 and 3, the valve body 1 further includes a baffle plate 104, the baffle plate 104 is welded to the sealing cap 101, the baffle plate 104 has a cylindrical plate-shaped structure, and the bottom end surface of the sealing cap 101 is elastically contacted with the sealing block 103 when the sealing cap 101 is tightened, so that the sealing performance between the sealing cap 101 and the valve body 1 can be enhanced.
Referring to fig. 2, the valve body 1 further includes a clamping groove a105, the clamping groove a105 is formed in the baffle 104, and the clamping groove a105 has a cylindrical groove-shaped structure; the switch structure 2 comprises a switch block 201, an adjusting rod 202 and a connecting rod 203, wherein the switch block 201 is rotatably connected in the valve main body 1, the adjusting rod 202 is welded on the switch block 201, and the adjusting rod 202 is further connected to the sealing cover 101 in a sliding manner; the adjusting rod 202 is inserted with a connecting rod 203, the head end of the connecting rod 203 is matched with the clamping groove A105, and the head end of the connecting rod 203 is inserted with the clamping groove A105 to be connected, so that the sealing cover 101 can be detached when the adjusting rod 202 is rotated.
Referring to fig. 2 and 4, the sealing structure 3 includes a sealing seat 301, a clamping groove B302 and a sealing gasket a303, the sealing seat 301 is welded on the inner wall of the valve body 1, and the clamping groove B302 is formed on the sealing seat 301; the clamping groove B302 is internally clamped with a sealing gasket A303, and the sealing gasket A303 is in elastic contact with the head end of the sealing cover 101, so that the sealing performance of the sealing cover 101 can be realized.
Referring to fig. 2 and 4, the sealing structure 3 further includes a clamping groove 304 and a clamping protrusion 305, the clamping groove 304 is formed on the sealing seat 301, and the clamping groove 304 is of an annular groove-shaped structure; the clamping protrusion 305 is welded on the sealing gasket A303, and the clamping protrusion 305 is of an annular structure; the clamping protrusion 305 is connected with the clamping groove 304 in a clamping manner, and the clamping protrusion 305 and the clamping groove 304 jointly form an auxiliary fixing structure of the sealing gasket A303.
Referring to fig. 2 and 5, the drain pipe 5 includes a thread groove 501, the drain pipe 5 is provided with one thread groove 501, the thread groove 501 is in threaded connection with the head end of the connecting pipe 6, and the inner diameter of the connecting pipe 6 is equal to the inner diameter of the drain pipe 5, so that the seamless butt joint of the drain pipe 5 and the connecting pipe 6 is realized.
Referring to fig. 5, the connecting pipe 6 includes a baffle ring 601 and a gasket B602, the baffle ring 601 is welded on the connecting pipe 6, the gasket B602 is sleeved on the connecting pipe 6, and the gasket B602 is adhesively connected with the baffle ring 601; after the connecting pipe 6 is in threaded connection with the drain pipe 5, the sealing gasket B602 is in elastic contact with the head end of the drain pipe 5, so that the sealing effect of the joint of the connecting pipe 6 and the drain pipe 5 is improved.
The specific use mode and function of the embodiment are as follows:
after the sealing cover 101 is connected with the valve main body 1, firstly, the seat body 102 is welded on the valve main body 1, and the section of the seat body 102 is of an L-shaped structure; a sealing block 103 is clamped in the base 102, and the sealing block 103 is in contact with the outer wall of the sealing cover 101, so that auxiliary sealing of the sealing cover 101 can be realized; secondly, the baffle plate 104 is welded on the sealing cover 101, the baffle plate 104 is of a cylindrical plate-shaped structure, and the bottom end face of the sealing cover 101 is in elastic contact with the sealing block 103 after the sealing cover 101 is screwed down, so that the sealing performance between the sealing cover 101 and the valve body 1 can be enhanced; thirdly, the sealing seat 301 is welded on the inner wall of the valve main body 1, and the sealing seat 301 is provided with a clamping groove B302; a sealing gasket A303 is clamped in the clamping groove B302, and the sealing gasket A303 is elastically contacted with the head end of the sealing cover 101, so that the sealing performance of the sealing cover 101 can be realized;
when the sealing cover 101 needs to be disassembled, the adjusting rod 202 is inserted with the connecting rod 203, the head end of the connecting rod 203 is matched with the clamping groove A105, and the head end of the connecting rod 203 is connected with the clamping groove A105 in an inserting manner, so that the sealing cover 101 can be disassembled when the adjusting rod 202 is rotated;
when the drain pipe 5 is connected with the connecting pipe 6, firstly, the drain pipe 5 is provided with a thread groove 501, the thread groove 501 is in threaded connection with the head end of the connecting pipe 6, and the inner diameter of the connecting pipe 6 is equal to that of the drain pipe 5, so that the seamless butt joint of the drain pipe 5 and the connecting pipe 6 is realized; secondly, the baffle ring 601 is welded on the connecting pipe 6, the connecting pipe 6 is also sleeved with a sealing gasket B602, and the sealing gasket B602 is adhered and connected with the baffle ring 601; after the connecting pipe 6 is in threaded connection with the drain pipe 5, the sealing gasket B602 is in elastic contact with the head end of the drain pipe 5, so that the sealing effect of the joint of the connecting pipe 6 and the drain pipe 5 is improved.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. A valve gate assembly structure for seamless docking, comprising: comprises a valve body (1) and a clamping groove (304); a switch structure (2) is installed in the valve main body (1), and a sealing structure (3) is welded in the valve main body (1); the valve main body (1) is connected with a water inlet pipe (4) and a water outlet pipe (5), and the water outlet pipe (5) is in threaded connection with a connecting pipe (6); the external diameter of joint groove (304) is greater than the protruding (305) external diameter of joint, and joint groove (304) have still constituteed the protruding (305) of joint and the gas adsorption formula fixed knot who fills up A (303) constructs.
2. The valve gate assembly structure of claim 1, wherein said valve gate assembly structure is adapted for seamless docking: the valve main body (1) comprises a sealing cover (101), a base body (102) and a sealing block (103), and the sealing cover (101) is in threaded connection with the valve main body (1); the seat body (102) is welded on the valve main body (1), and the section of the seat body (102) is of an L-shaped structure; a sealing block (103) is clamped in the base body (102), and the sealing block (103) is in contact with the outer wall of the sealing cover (101).
3. The valve gate assembly structure of claim 1, wherein said valve gate assembly structure is adapted for seamless docking: the valve main body (1) further comprises a baffle plate (104), the baffle plate (104) is welded on the sealing cover (101), the baffle plate (104) is of a cylindrical plate-shaped structure, and the bottom end face of the sealing cover (101) is in elastic contact with the sealing block (103) after the sealing cover (101) is screwed down.
4. The valve gate assembly structure of claim 1, wherein said valve gate assembly structure is adapted for seamless docking: the valve body (1) further comprises a clamping groove A (105), the clamping groove A (105) is formed in the baffle (104), and the clamping groove A (105) is of a cylindrical groove-shaped structure; the switch structure (2) comprises a switch block (201), an adjusting rod (202) and a connecting rod (203), the switch block (201) is rotatably connected in the valve main body (1), the adjusting rod (202) is welded on the switch block (201), and the adjusting rod (202) is further connected to the sealing cover (101) in a sliding mode; the adjusting rod (202) is inserted with a connecting rod (203), the head end of the connecting rod (203) is matched with the clamping groove A (105), and the head end of the connecting rod (203) is connected with the clamping groove A (105) in an inserting mode.
5. The valve gate assembly structure of claim 1, wherein said valve gate assembly structure is adapted for seamless docking: the sealing structure (3) comprises a sealing seat (301), a clamping groove B (302) and a sealing gasket A (303), the sealing seat (301) is welded on the inner wall of the valve main body (1), and the clamping groove B (302) is formed in the sealing seat (301); the clamping groove B (302) is internally clamped with a sealing gasket A (303), and the sealing gasket A (303) is in elastic contact with the head end of the sealing cover (101).
6. The valve gate assembly structure of claim 1, wherein said valve gate assembly structure is adapted for seamless docking: the sealing structure (3) further comprises a clamping groove (304) and a clamping protrusion (305), the clamping groove (304) is formed in the sealing seat (301), and the clamping groove (304) is of an annular groove-shaped structure; the clamping protrusion (305) is welded on the sealing gasket A (303), and the clamping protrusion (305) is of an annular structure; the clamping protrusion (305) is connected with the clamping groove (304) in a clamping mode, and the clamping protrusion (305) and the clamping groove (304) jointly form an auxiliary fixing structure of the sealing gasket A (303).
7. The valve gate assembly structure of claim 1, wherein said valve gate assembly structure is adapted for seamless docking: the drain pipe (5) comprises a thread groove (501), the drain pipe (5) is provided with the thread groove (501), the thread groove (501) is in threaded connection with the head end of the connecting pipe (6), and the inner diameter of the connecting pipe (6) is equal to that of the drain pipe (5).
8. The valve gate assembly structure of claim 1, wherein said valve gate assembly structure is adapted for seamless docking: the connecting pipe (6) comprises a baffle ring (601) and a sealing gasket B (602), the baffle ring (601) is welded on the connecting pipe (6), the sealing gasket B (602) is sleeved on the connecting pipe (6), and the sealing gasket B (602) is connected with the baffle ring (601) in an adhesion manner; when the connecting pipe (6) is in threaded connection with the drain pipe (5), the sealing gasket B (602) is in elastic contact with the head end of the drain pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110039852.1A CN112879642B (en) | 2021-01-13 | 2021-01-13 | Valve assembly structure capable of being used in seamless butt joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110039852.1A CN112879642B (en) | 2021-01-13 | 2021-01-13 | Valve assembly structure capable of being used in seamless butt joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112879642A true CN112879642A (en) | 2021-06-01 |
| CN112879642B CN112879642B (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110039852.1A Active CN112879642B (en) | 2021-01-13 | 2021-01-13 | Valve assembly structure capable of being used in seamless butt joint |
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| CN (1) | CN112879642B (en) |
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| EP0217321A2 (en) * | 1985-10-02 | 1987-04-08 | Hans Dr. Viessmann | Shut-off valve |
| FR2610693A1 (en) * | 1987-02-09 | 1988-08-12 | Knorr Bremse Ag | Seal for valve housings |
| CN101586696A (en) * | 2008-05-22 | 2009-11-25 | 上海海星阀门总厂 | Buckling connection type high-corrosion resisting bellow cut-off valve |
| CN202834498U (en) * | 2012-08-06 | 2013-03-27 | 马鞍山市广源法兰环件有限公司 | Sealing flange |
| CN206130238U (en) * | 2016-08-09 | 2017-04-26 | 佛山市联若五金实业有限公司 | Easily install valve hardware fitting |
| CN106885077A (en) * | 2015-12-15 | 2017-06-23 | 大连凯斯博格设备制造有限公司 | A kind of assembling pipe joint of use flexible graphite sealing ring static sealing |
| CN107387784A (en) * | 2017-09-13 | 2017-11-24 | 潍坊浩鑫铜业有限公司 | One kind is threaded into formula bronze valve |
| CN207687507U (en) * | 2017-11-28 | 2018-08-03 | 天津市迅尔自控设备制造有限公司 | Pipeline connecting structure of pipeline system |
| CN211059804U (en) * | 2019-11-01 | 2020-07-21 | 上海誉亿建筑安装工程有限公司 | Steel cylinder replacement protection device |
-
2021
- 2021-01-13 CN CN202110039852.1A patent/CN112879642B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1033689A (en) * | 1964-06-05 | 1966-06-22 | Gurtner Sa | Improvements in or relating to connecting devices |
| AU414890B1 (en) * | 1966-06-09 | 1971-07-13 | Acf Industries Incorporated | A protective casing for a shaft |
| EP0117444A1 (en) * | 1983-01-29 | 1984-09-05 | Bopp & Reuther Aktiengesellschaft | Shut-off device |
| EP0217321A2 (en) * | 1985-10-02 | 1987-04-08 | Hans Dr. Viessmann | Shut-off valve |
| FR2610693A1 (en) * | 1987-02-09 | 1988-08-12 | Knorr Bremse Ag | Seal for valve housings |
| CN101586696A (en) * | 2008-05-22 | 2009-11-25 | 上海海星阀门总厂 | Buckling connection type high-corrosion resisting bellow cut-off valve |
| CN202834498U (en) * | 2012-08-06 | 2013-03-27 | 马鞍山市广源法兰环件有限公司 | Sealing flange |
| CN106885077A (en) * | 2015-12-15 | 2017-06-23 | 大连凯斯博格设备制造有限公司 | A kind of assembling pipe joint of use flexible graphite sealing ring static sealing |
| CN206130238U (en) * | 2016-08-09 | 2017-04-26 | 佛山市联若五金实业有限公司 | Easily install valve hardware fitting |
| CN107387784A (en) * | 2017-09-13 | 2017-11-24 | 潍坊浩鑫铜业有限公司 | One kind is threaded into formula bronze valve |
| CN207687507U (en) * | 2017-11-28 | 2018-08-03 | 天津市迅尔自控设备制造有限公司 | Pipeline connecting structure of pipeline system |
| CN211059804U (en) * | 2019-11-01 | 2020-07-21 | 上海誉亿建筑安装工程有限公司 | Steel cylinder replacement protection device |
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| Publication number | Publication date |
|---|---|
| CN112879642B (en) | 2023-05-09 |
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