CN216618553U - Cage type regulating valve sealing structure - Google Patents
Cage type regulating valve sealing structure Download PDFInfo
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- CN216618553U CN216618553U CN202122074585.XU CN202122074585U CN216618553U CN 216618553 U CN216618553 U CN 216618553U CN 202122074585 U CN202122074585 U CN 202122074585U CN 216618553 U CN216618553 U CN 216618553U
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- side wall
- annular groove
- adjusting valve
- fixedly connected
- cavity
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 49
- 238000007789 sealing Methods 0.000 title claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 239000000428 dust Substances 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 206010061217 Infestation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of regulating valves, and particularly relates to a cage type regulating valve sealing structure which comprises a regulating valve body, a regulating valve rod, a regulating valve core, a regulating valve cage, a regulating valve seat, a first connecting flange, a connecting pipeline and a sealing and filling mechanism, wherein the regulating valve body is provided with a first valve core and a second valve core; the sealing and filling mechanism comprises an annular disc, a first cavity, a connecting rod, a pressing plate, a transmission part, a third push rod, a pushing plate and a liquid bag; the annular disc is fixedly connected in the annular groove through a group of springs; the first cavity is arranged in the inner side wall of the bottom end of the annular groove; the utility model provides a cage type adjusting valve sealing structure, which aims to solve the problem that when a connecting pipeline is connected to an adjusting valve body, an annular groove is formed in a connecting flange of the adjusting valve body, an annular lug is arranged on the connecting flange of the connecting pipeline, the annular lug and the annular groove have an installing and positioning effect, but a gap is formed between the annular lug and the annular groove after the connecting pipeline is installed, and the direct sealing effect of the connecting pipeline and the adjusting valve body is easily influenced by the gap between the annular lug and the annular groove when the connecting pipeline is invaded by the external environment.
Description
Technical Field
The utility model belongs to the technical field of regulating valves, and particularly relates to a cage type regulating valve sealing structure.
Background
The cage type regulating valve is a pressure balance type regulating valve, the valve inner part adopts a guide type regulating valve core guided by a sleeve, the quick action of the regulating valve core is realized by mainly utilizing the pressure of fluid, and the operating force is small. In addition, the sealing type adopts single seat sealing, the precision of a flow characteristic curve is high, the IEC534-1 standard is met, and the multi-spring film actuating mechanism or the electric actuating mechanism is matched, so that the structure is compact, and the output force is large.
Among the prior art at present, when connecting tube connects on adjusting valve body, adjusting valve body's flange is last to have the ring channel, has the annular lug on connecting tube's the flange, and both have the installation positioning action, but annular lug and ring channel have the clearance after the installation, when receiving the external environment infestation, influence connecting tube and adjusting valve body direct sealed effect through the clearance of annular lug and ring channel easily, for this reason we provide a cage type adjusting valve seal structure.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects of the prior art and solve the problems that when a connecting pipeline is connected to an adjusting valve body, an annular groove is formed in a connecting flange of the adjusting valve body, an annular lug is arranged on the connecting flange of the connecting pipeline, the annular lug and the annular groove have an installing and positioning effect, but a gap is formed between the annular lug and the annular groove after the connecting pipeline is installed, and the direct sealing effect of the connecting pipeline and the adjusting valve body is easily influenced by the gap between the annular lug and the annular groove when the connecting pipeline is invaded by the external environment, the utility model provides the cage type adjusting valve sealing structure.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a cage type regulating valve sealing structure which comprises a regulating valve body, a regulating valve rod, a regulating valve core, a regulating valve cage, a regulating valve seat, a first connecting flange, a connecting pipeline and a sealing and filling mechanism, wherein the regulating valve body is provided with a first connecting flange; the adjusting valve rod penetrates through the top end of the adjusting valve body and extends into the adjusting valve body; the regulating valve core is arranged in the regulating valve body; the regulating valve cage is fixedly connected to two sides of the regulating valve rod extending into the regulating valve body; the adjusting valve seats are arranged on two sides of the adjusting valve core; the pair of first connecting flanges are fixedly connected to the side wall of the adjusting valve body; the first connecting flange is arranged in the first threaded hole; an annular groove is formed in the side wall of the first connecting flange; a second connecting flange is fixedly connected to the connecting pipeline; a second threaded hole is formed in the second connecting flange; the connecting pipeline is connected to the regulating valve body through the bolt connection between the first connecting flange and the second connecting flange; an annular convex block is fixedly connected to the side wall, close to the first connecting flange, of the second connecting flange; the sealing and filling mechanism is arranged in the annular groove; the sealing and filling mechanism comprises an annular disc, a first cavity, a connecting rod, a pressing plate, a transmission part, a third push rod, a pushing plate and a liquid bag; the annular disc is fixedly connected in the annular groove through a group of springs; the first cavity is arranged in the inner side wall of the bottom end of the annular groove; one end of the connecting rod is fixedly connected to the bottom end of the annular disc, and the other end of the connecting rod penetrates through the side wall of the first cavity and extends into the first cavity; the pressing plate is fixedly connected to the end part of the connecting rod extending into the first cavity, and the side wall far away from the connecting rod is fixedly connected to the inner side wall of the first cavity through a spring; the pushing plate is connected to the inner side wall of the first cavity in a sliding manner; the third push rod is fixedly connected to the side wall of the push plate; one end of the transmission piece is hinged to the pressing plate, and the other end of the transmission piece is hinged to the end part, far away from the pushing plate, of the third push rod; the liquid sac is fixedly connected to the inside of the first cavity and is communicated with the annular groove through a hose.
Preferably, the transmission part comprises a first push rod, a sliding block and a second push rod; one end of the first push rod is hinged to the bottom end of the pressing plate, and the other end of the first push rod is hinged to the side wall of the sliding block; the sliding block is connected to the inner side wall of the first cavity in a sliding mode; one end of the second push rod is hinged to the side wall of the sliding block, and the other end of the second push rod is hinged to the end portion, far away from the pushing plate, of the third push rod.
Preferably, the sliding block is provided with a dust removal structure; the dust removing structure comprises a positioning rod, a rotating plate, a positioning plate, an air bag and an exhaust piece; the positioning rod is fixedly connected to the top end of the sliding block; the rotating plate is hinged on the inner side wall of the first cavity close to the annular groove; the upper end part of the inner side wall of the rotating plate, which is far away from the first cavity and is close to the annular groove, is in mutual contact with the positioning plate; the positioning plate is fixedly connected to the inner side wall of the first cavity close to the annular groove; the bottom end of the air bag is fixedly connected to the inner side wall close to the annular groove, and the side wall is fixedly connected to the positioning plate; the exhaust piece is arranged in the inner side wall of the bottom end of the annular groove; the exhaust member is communicated with the air bag through a hose.
Preferably, the exhaust member comprises an exhaust pipe and an exhaust nozzle; the exhaust pipe is arranged in the inner side wall of the bottom end of the annular groove and is communicated with the air bag through a hose; the exhaust nozzle is arranged on the side wall of the exhaust pipe and communicated with the annular groove.
Preferably, the liquid of the liquid sac is liquid glue.
Preferably, a rubber layer is fixedly connected to the annular disc.
The utility model has the beneficial effects that:
1. the utility model provides a cage type adjusting valve sealing structure, which can fill a gap between an annular bump and an annular groove through a sealing and filling mechanism, further seal the connecting part of a connecting pipeline and an adjusting valve body, and the liquid glue has adhesiveness, so that the connecting pipeline is prevented from being directly separated when a connecting flange is loosened, and a layer of fixing protection is added.
2. Can clear away dust and granule in ring channel and the annular convex block through dust removal structure, avoid appearing small dislocation in the installation and lead to the condition of sealed effect greatly reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a partial cross-sectional view of the present invention;
FIG. 3 is an enlarged view of area A of FIG. 2;
FIG. 4 is an enlarged view of area B of FIG. 3;
FIG. 5 is a side view of a first attachment flange;
FIG. 6 is a side view of a second attachment flange;
illustration of the drawings:
1. a regulating valve body; 2. adjusting the valve rod; 3. adjusting the valve core; 4. adjusting the valve cage; 5. adjusting the valve seat; 6. a first connecting flange; 61. a first threaded hole; 62. an annular groove; 7. connecting a pipeline; 71. a second connecting flange; 72. an annular projection; 8. a sealing and filling mechanism; 81. an annular disc; 82. a first cavity; 83. a connecting rod; 84. pressing a plate; 85. a transmission member; 851. a first push rod; 852. a slider; 853. a second push rod; 86. a third push rod; 87. a push plate; 88. a liquid sac; 9. a dust removal structure; 91. positioning a rod; 92. rotating the plate; 93. positioning a plate; 94. an air bag; 95. an exhaust member; 951. an exhaust pipe; 952. an exhaust nozzle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Specific examples are given below.
Referring to fig. 1-6, the present invention provides a sealing structure of a cage-type regulating valve, which includes a regulating valve body 1, a regulating valve rod 2, a regulating valve core 3, a regulating valve cage 4, a regulating valve seat 5, a first connecting flange 6, a connecting pipeline 7 and a sealing and filling mechanism 8; the adjusting valve rod 2 penetrates through the top end of the adjusting valve body 1 and extends into the adjusting valve body 1; the regulating valve core 3 is arranged in the regulating valve body 1; the adjusting valve cage 4 is fixedly connected to two sides of the adjusting valve rod 2 extending into the adjusting valve body 1; the adjusting valve seats 5 are arranged on two sides of the adjusting valve core 3; the pair of the first connecting flanges 6 are fixedly connected to the side wall of the regulating valve body 1; the first connecting flange 6 is arranged in the first threaded hole 61; an annular groove 62 is formed in the side wall of the first connecting flange 6; a second connecting flange 71 is fixedly connected to the connecting pipeline 7; a second threaded hole is formed in the second connecting flange 71; the connecting pipeline 7 is connected to the regulating valve body 1 through the bolt connection between the first connecting flange 6 and the second connecting flange 71; an annular convex block 72 is fixedly connected to the side wall of the second connecting flange 71 close to the first connecting flange 6; the sealing and filling mechanism 8 is arranged in the annular groove 62; the sealing and filling mechanism 8 comprises an annular disc 81, a first cavity 82, a connecting rod 83, a pressing plate 84, a transmission piece 85, a third push rod 86, a pushing plate 87 and a sac 88; the annular disc 81 is fixedly connected in the annular groove 62 through a group of springs; a group of the first cavities 82 are formed in the inner side wall of the bottom end of the annular groove 62; one end of the connecting rod 83 is fixedly connected to the bottom end of the annular disc 81, and the other end of the connecting rod penetrates through the side wall of the first cavity 82 and extends into the first cavity 82; the pressure plate 84 is fixedly connected to the end part of the connecting rod 83 extending into the first cavity 82, and the side wall far away from the connecting rod 83 is fixedly connected to the inner side wall of the first cavity 82 through a spring; the pushing plate 87 is connected to the inner side wall of the first cavity 82 in a sliding manner; the third push rod 86 is fixedly connected to the side wall of the push plate 87; one end of the transmission piece 85 is hinged on the pressing plate 84, and the other end of the transmission piece is hinged on the end part, far away from the pushing plate 87, of the third push rod 86; the liquid bag 88 is fixedly connected to the inner part of the first cavity 82 and is communicated with the annular groove 62 through a hose; when the connecting device works, the second connecting flange 71 on the connecting pipeline 7 is connected with the first connecting flange 6 on the regulating valve body 1 through the first threaded hole 61 and the second threaded hole through the bolts, in the bolting process, the annular convex block 72 enters the annular groove 62, the annular convex block 72 extrudes the annular disc 81 in the annular groove 62, the annular disc 81 moves to push the pressing plate 84 to move through the connecting rod 83, the pressing plate 84 pushes the third push rod 86 through the transmission piece 85, the third push rod 86 pushes the pushing plate 87 to extrude the liquid bag 88, and liquid in the liquid bag 88 is ejected into a gap between the annular convex block 72 and the annular groove 62 through the hose to be filled and sealed.
As an embodiment of the present invention, the transmission member 85 includes a first push rod 851, a slide block 852, and a second push rod 853; one end of the first push rod 851 is hinged at the bottom end of the pressure plate 84, and the other end is hinged on the side wall of the sliding block 852; the sliding block 852 is slidably connected to the inner side wall of the first cavity 82; one end of the second push rod 853 is hinged to the side wall of the sliding block 852, and the other end is hinged to the end part, far away from the push plate 87, of the third push rod 86; in operation, the pressing plate 84 moves through the first push rod 851 to move the sliding block 852, the sliding block 852 moves through the second push rod 853 to push the third push rod 86, the third push rod 86 pushes the push plate 87 to squeeze the sac 88, and the downward squeezing force of the annular protrusion 72 is transmitted as the pressure for squeezing the sac 88 by the transmission member 85.
As an embodiment of the present invention, the sliding block 852 is provided with a dust removing structure 9; the dust removing structure 9 comprises a positioning rod 91, a rotating plate 92, a positioning plate 93, an air bag 94 and an exhaust member 95; the positioning rod 91 is fixedly connected to the top end of the sliding block 852; the rotating plate 92 is hinged on the inner side wall of the first cavity 82 close to the annular groove 62; the upper end part of the inner side wall of the rotating plate 92, which is far away from the first cavity 82 and is close to the annular groove 62, is in contact with the positioning plate 93; the positioning plate 93 is fixedly connected to the inner side wall of the first cavity 82 close to the annular groove 62; the bottom end of the air bag 94 is fixedly connected to the inner side wall close to the annular groove 62, and the side wall is fixedly connected to the positioning plate 93; the exhaust member 95 is arranged in the inner side wall of the bottom end of the annular groove 62; the air vent 95 is communicated with the air bag 94 through a hose; during operation, when the annular lug 72 extrudes the annular disc 81, the annular disc 81 moves to drive the sliding block 852 to move, the sliding block 852 moves to drive the positioning rod 91 to move, the positioning rod 91 is in contact with the rotating plate 92 to drive the rotating plate 92 to rotate, the rotating plate 92 rotates to extrude the air bag 94, air of the air bag 94 is sprayed out through the air exhaust piece 95, dust and particles on the annular groove 62 and the annular lug 72 are cleaned, and the situation that sealing is not tight enough is avoided.
As an embodiment of the present invention, the exhaust member 95 includes an exhaust pipe 951 and an exhaust nozzle 952; the exhaust pipe 951 is arranged in the inner side wall of the bottom end of the annular groove 62 and is communicated with the air bag 94 through a hose; the exhaust nozzle 952 is arranged on the side wall of the exhaust pipe 951 and communicated with the annular groove 62; during operation, gasbag 94 exhaust is arranged the exhaust nozzle 952 and is jetted out through blast pipe 951 on, and the jet-propelled scope is bigger, can increase the jet-propelled dynamics, the inside dust of better clearance ring channel 62.
As an embodiment of the present invention, the liquid of the sac 88 is liquid glue; during operation, liquid glue has mobility, can slowly be full of whole clearance, seals up after the solidification and fills, can seal up by the omnidirectional, increases sealed effect, has the adhesion nature after the solidification, avoids the bolt not hard up back connecting tube 7 to drop in vibrations, increase fixity.
As an embodiment of the present invention, a rubber layer is fixedly connected to the annular disc 81; during operation, when annular disk 81 is extruded to annular lug 72, can extrude annular disk 81 and go up the rubber layer, the annular lug 72 of laminating that rubber layer extrusion deformation can be better increases the leakproofness.
The working principle is as follows: when the device works, the second connecting flange 71 on the connecting pipeline 7 and the first connecting flange 6 on the regulating valve body 1 are connected with the first threaded hole 61 and the second threaded hole through bolts, in the bolting process, the annular bump 72 enters the annular groove 62, the annular bump 72 presses the annular disc 81 in the annular groove 62, the annular disc 81 moves to push the pressure plate 84 to move through the connecting rod 83, the pressure plate 84 pushes the third push rod 86 through the transmission piece 85, the third push rod 86 pushes the push plate 87 to press the liquid bag 88, and liquid in the liquid bag 88 is sprayed out of a gap between the annular bump 72 and the annular groove 62 through the hose to be filled and sealed; when the annular convex block 72 extrudes the annular disc 81, the annular disc 81 moves to drive the sliding block 852 to move, the sliding block 852 moves to drive the positioning rod 91 to move, the positioning rod 91 is in contact with the rotating plate 92 to drive the rotating plate 92 to rotate, the rotating plate 92 rotates to extrude the air bag 94, air of the air bag 94 is sprayed out through the air exhaust piece 95, dust and particles on the annular groove 62 and the annular convex block 72 are cleaned, and the situation that sealing is not tight enough is avoided.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (9)
1. A cage type adjusting valve sealing structure is characterized by comprising an adjusting valve body (1), an adjusting valve rod (2), an adjusting valve core (3), an adjusting valve cage (4), an adjusting valve seat (5), a first connecting flange (6), a connecting pipeline (7) and a sealing and filling mechanism (8); the adjusting valve rod (2) penetrates through the top end of the adjusting valve body (1) and extends into the adjusting valve body (1); the adjusting valve core (3) is arranged in the adjusting valve body (1); the adjusting valve cage (4) is fixedly connected to two sides of the adjusting valve rod (2) extending into the adjusting valve body (1); the adjusting valve seats (5) are arranged on two sides of the adjusting valve core (3); the pair of first connecting flanges (6) are fixedly connected to the side wall of the regulating valve body (1); the first connecting flange (6) is arranged in the first threaded hole (61); an annular groove (62) is formed in the side wall of the first connecting flange (6); a second connecting flange (71) is fixedly connected to the connecting pipeline (7); a second threaded hole is formed in the second connecting flange (71); the connecting pipeline (7) is connected to the regulating valve body (1) through bolting between the first connecting flange (6) and the second connecting flange (71); an annular convex block (72) is fixedly connected to the side wall, close to the first connecting flange (6), of the second connecting flange (71); the sealing and filling mechanism (8) is arranged in the annular groove (62); the sealing and filling mechanism (8) comprises an annular disc (81), a first cavity (82), a connecting rod (83), a pressing plate (84), a transmission piece (85), a third push rod (86), a pushing plate (87) and a liquid bag (88); the annular disc (81) is fixedly connected in the annular groove (62) through a group of springs; a group of first cavities (82) are formed in the inner side wall of the bottom end of the annular groove (62); one end of the connecting rod (83) is fixedly connected to the bottom end of the annular disc (81), and the other end of the connecting rod penetrates through the side wall of the first cavity (82) and extends into the first cavity (82); the pressing plate (84) is fixedly connected to the end part of the connecting rod (83) extending into the first cavity (82), and the side wall far away from the connecting rod (83) is fixedly connected to the inner side wall of the first cavity (82) through a spring; the liquid bag (88) is fixedly connected to the inner part of the first cavity (82) and is communicated with the annular groove (62) through a hose.
2. The cage type regulating valve sealing structure according to claim 1, wherein the transmission member (85) comprises a first push rod (851), a slide block (852) and a second push rod (853); one end of the first push rod (851) is hinged at the bottom end of the pressure plate (84), and the other end of the first push rod is hinged on the side wall of the sliding block (852); the sliding block (852) is connected to the inner side wall of the first cavity (82) in a sliding mode; one end of the second push rod (853) is hinged to the side wall of the sliding block (852), and the other end of the second push rod is hinged to the end portion, far away from the push plate (87), of the third push rod (86).
3. A cage damper valve seal structure according to claim 2, wherein said sliding blocks (852) are provided with dust removing structures (9); the dust removal structure (9) comprises a positioning rod (91), a rotating plate (92), a positioning plate (93), an air bag (94) and an exhaust piece (95); the positioning rod (91) is fixedly connected to the top end of the sliding block (852); the rotating plate (92) is hinged on the inner side wall of the first cavity (82) close to the annular groove (62); the upper end part of the inner side wall, far away from the first cavity (82), of the rotating plate (92) and close to the annular groove (62) is in contact with the positioning plate (93); the positioning plate (93) is fixedly connected to the inner side wall of the first cavity (82) close to the annular groove (62); the bottom end of the air bag (94) is fixedly connected to the inner side wall close to the annular groove (62), and the side wall is fixedly connected to the positioning plate (93); the exhaust piece (95) is arranged in the inner side wall of the bottom end of the annular groove (62); the air discharging member (95) is communicated with the air bag (94) through a hose.
4. A cage type regulating valve sealing structure according to claim 3, wherein said air discharging member (95) comprises an air discharging pipe (951) and an air discharging nozzle (952); the exhaust pipe (951) is arranged in the inner side wall of the bottom end of the annular groove (62) and is communicated with the air bag (94) through a hose; the exhaust nozzle (952) is arranged on the side wall of the exhaust pipe (951) and communicated with the annular groove (62).
5. A cage type regulating valve sealing structure according to claim 1, characterized in that the liquid of the liquid sac (88) is liquid glue.
6. A cage type damper valve seal structure according to claim 1, wherein a rubber layer is fixed to said annular disc (81).
7. A cage type regulating valve sealing structure according to claim 1, wherein the pushing plate (87) is slidably connected to the inner side wall of the first cavity (82).
8. The cage type damper valve sealing structure according to claim 1, wherein the third push rod (86) is fixedly attached to a side wall of the push plate (87).
9. A cage type regulating valve sealing structure according to claim 1, wherein one end of the transmission member (85) is hinged to the pressing plate (84), and the other end is hinged to the end of the third push rod (86) away from the pushing plate (87).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122074585.XU CN216618553U (en) | 2021-08-30 | 2021-08-30 | Cage type regulating valve sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122074585.XU CN216618553U (en) | 2021-08-30 | 2021-08-30 | Cage type regulating valve sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216618553U true CN216618553U (en) | 2022-05-27 |
Family
ID=81681676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122074585.XU Expired - Fee Related CN216618553U (en) | 2021-08-30 | 2021-08-30 | Cage type regulating valve sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216618553U (en) |
-
2021
- 2021-08-30 CN CN202122074585.XU patent/CN216618553U/en not_active Expired - Fee Related
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Granted publication date: 20220527 |