CN216955018U - Breather valve instrument of suppressing - Google Patents

Breather valve instrument of suppressing Download PDF

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Publication number
CN216955018U
CN216955018U CN202122748161.7U CN202122748161U CN216955018U CN 216955018 U CN216955018 U CN 216955018U CN 202122748161 U CN202122748161 U CN 202122748161U CN 216955018 U CN216955018 U CN 216955018U
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China
Prior art keywords
valve body
upper flange
joint
breather valve
hose
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Active
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CN202122748161.7U
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Chinese (zh)
Inventor
邓阳
杨明
曲昊
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China Nuclear Industry Maintenance Co Ltd
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China Nuclear Industry Maintenance Co Ltd
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Priority to CN202122748161.7U priority Critical patent/CN216955018U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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Abstract

The utility model is suitable for the technical field of maintenance tools, and provides a breather valve pressing tool which is used for detecting the sealing property of a valve body of a breather valve and comprises a frame, a maintenance plug and a lower part, wherein the maintenance plug is arranged on the frame; the lower part is fixed on the rack, the lower part is a hollow and topless cylinder, the valve body is hermetically buckled at one end of the lower part and is communicated with the lower part, and the other end of the lower part is communicated with the outside; the maintenance plug is detachably connected to the rack, the maintenance plug is fixed at the other end of the valve body in a sealing mode, one end of the maintenance plug is communicated with the valve body, and the other end of the maintenance plug is communicated with the outside; this application structure is succinct, can realize the detection to the breather valve leakproofness under the condition of cutting whole breather valve, and the detection step is simple easy to operate, and the practicality is strong.

Description

Breather valve instrument of suppressing
Technical Field
The utility model belongs to the technical field of maintenance tools, and particularly relates to a breather valve pressing tool.
Background
The valve body of present breather valve is the welding at jar body top, solves to overhaul the problem and need to cut it down and suppress, has the damage of different degrees to jar pipeline and breather valve when destroying the weld bead, and the implementation of the welding work of being not convenient for that partly position space is limited when repacking.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems, the utility model provides a breather valve pressing tool, which at least effectively solves the problem that a breather valve welded on a pipeline is inconvenient to overhaul in the prior art.
The embodiment of the application provides a breather valve pressing tool, which is used for detecting the sealing property of a valve body of a breather valve and comprises a frame, a maintenance plug and a lower component;
the lower part is fixedly connected to the rack, the lower part is a hollow cylinder, an opening is formed in one end of the lower part, the valve body is in sealing buckling on the opening of the lower part and is communicated with the lower part, and the other end of the lower part is communicated with the outside;
the overhaul plug is detachably connected with the rack, one end of the overhaul plug is fixed in a sealing mode, the valve body deviates from one end of the lower component and is communicated with the valve body, and the other end of the overhaul plug is communicated with the outside.
When the breather valve pressing device in the embodiment is used, the overhauling plug is detached from the rack, then the valve body is buckled on the lower component and sealed, the overhauling plug is installed back to the rack again and sealed at the joint of the overhauling plug and the valve body, then the valve body is inflated through the overhauling plug, the air outlet condition of the other end of the lower component is observed, and if the air outlet condition is generated, the sealing property of the valve body is proved to be abnormal.
In one embodiment, the valve further comprises an upper flange, the upper flange is detachably connected to the frame, the maintenance plug is detachably connected to the upper flange, and the upper flange is connected with the valve body in a sealing mode.
In one embodiment, a rubber gasket is arranged between the upper flange and the valve body.
In one embodiment, the frame comprises a bottom plate, a double-headed screw and a nut;
the lower part is fixed on the bottom plate, and the double-end screw is fixed on the bottom plate and penetrates through the upper flange;
the nut is fixed on the double-end screw rod in a threaded manner and is in contact with the upper flange, and the nut is positioned on one side, far away from the bottom plate, of the upper flange.
In one embodiment, an air inlet loose joint is fixed at one end of the overhauling plug, which is far away from the valve body, and the air inlet loose joint is communicated with the valve body;
an air outlet loose joint is fixed on the outer wall of the bottom surface of the lower part and communicated with the lower part.
In one embodiment, the device further comprises an air pump and a container;
the air pump is communicated with the air inlet loose joint through a hose;
the container is filled with liquid, one end of the air outlet loose joint is fixed with a hose, and the other end of the hose extends into the liquid.
In one embodiment, the valve body and the lower part are connected through threads, and a raw material belt is wound at the threaded connection position.
In this embodiment, the testing personnel utilize manual pressure testing pump to aerify to the valve body in to observe the surface of water condition, if the surface of water bubble appears then prove that the valve body leakproofness is unusual, if the surface of water does not change then prove that the valve body leakproofness is normal.
In one embodiment, raw material tapes are wound at the joint of the air inlet loose joint and the hose and at the joint of the air outlet loose joint and the hose.
In one embodiment, leakage detection liquids are sprayed on the joints of the upper flange and the valve body, the joints of the upper flange and the maintenance plug, the joints of the air inlet loose joint and the hose, the joints of the valve body and the lower part, and the joints of the air outlet loose joint and the hose.
This application is when specifically using, install the valve body in lower part one end earlier and screw up, later compress tightly the lower part on the bottom plate and compress tightly the upper flange on the valve body, make double-end screw both ends pass bottom plate and upper flange respectively again, compress tightly valve body and lower part between bottom plate and upper flange through the nut, will admit air loose joint one end and air pump and link to each other, will give vent to anger loose joint one end and stretch into the aquatic, the valve body installation was accomplished this moment.
Then, raw material belts are wound at the joints of the upper flange and the valve body, the joints of the upper flange and the maintenance plug, the joints of the air inlet loose joint and the hose, the joints of the valve body and the lower component, the joints of the air outlet loose joint and the hose, leakage detection liquid is sprayed at the joints, then the valve body is inflated through an air pump, the conditions of the joints are observed, if bubbles appear at the joints, the raw material belts are required to be wound again or installed again and inflated again for observation until no bubbles appear at the joints.
Afterwards, the valve body is inflated through the air pump, the water surface is observed, if the water surface is unchanged, the sealing performance of the valve body is proved to be normal, if bubbles appear on the water surface, the sealing performance of the valve body is proved to be abnormal, at the moment, the valve body needs to be taken down, a straight knife is used for fine adjustment of the valve body, an internal locking nut is fastened for fixation, and then the valve body is detected again.
When the leakage detection device is used, after a valve body is fixed on a lower component and a rack is assembled, leakage detection liquid is sprayed on the upper flange and the valve body joint, the upper flange and the overhauling plug joint, the air inlet loose joint and the hose joint, the valve body and the lower component joint, the air outlet loose joint and the hose joint, air is filled into the valve body through the air pump, whether bubbles appear at each joint is observed, if bubbles appear, the raw material belt needs to be wound again or the raw material belt needs to be installed again and inflated again for observation until all joints do not appear bubbles.
The application provides an instrument is suppressed to breather valve, makes the improvement to the breather valve of welding on the pipeline not convenient for overhaul's problem in the prior art, has following beneficial effect:
1. because the main position of the failure or air leakage of the breather valve is located at the negative pressure valve disc and the spring assembly in the upper half part of the breather valve, the upper half part of the breather valve is detached and the sealing performance of the breather valve is separately detected, the whole breather valve does not need to be detached, and the detection procedure is greatly simplified;
2. arranging a lower component and an overhauling plug, and tightly clamping the upper half shell of the breather valve between the lower component and the overhauling plug in a sealing manner so as to be convenient for quick tightness detection;
this application structure is succinct, can realize the detection to the breather valve leakproofness under the condition of cutting whole breather valve, and the detection step is simple easy to operate, and the practicality is strong.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a front view schematically illustrating a breather valve pressing tool according to an embodiment of the present disclosure.
Fig. 2 is a schematic front view of the breather valve depressing tool of fig. 1 in use.
Fig. 3 is a schematic top view of the breather valve depressing tool of fig. 1.
Fig. 4 is a bottom view of the breather valve depressing tool of fig. 1.
The designations in the figures mean:
1. a frame; 11. a base plate; 12. a double-ended screw; 13. a nut;
2. overhauling the plug; 21. air inlet loose joint;
3. a lower member; 31. air outlet loose joint;
4. an upper flange; 5. an air pump; 6. a container.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings, which are examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "up", "down", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but 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 present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In order to explain the technical solution of the present invention, the following description is made with reference to the specific drawings and examples.
Referring to fig. 1, this application embodiment provides a breather valve instrument of suppressing for detect the leakproofness of the first valve body of breather valve, this device is when using with the first valve body of breather valve pull down and put into this device, can realize the detection to the breather valve leakproofness, because of the breather valve welding is only metal casing at the lower half of pipeline, its gas leakage probability is lower and easily pass through the discovery of naked eye observation, so this application only carries out solitary leakproofness to the first valve of breather valve and detects, the detection process has been simplified greatly, the detection efficiency is also improved, the valve body of breather valve all indicates the first valve of this breather valve in the follow-up description.
The utility model provides a breather valve instrument of suppressing includes frame 1, and frame 1 is used for providing fixed basis for follow-up structure, also provides detection space for the breather valve.
The breather valve instrument of suppressing still includes lower part 3, lower part 3 fixed connection is in frame 1, lower part 3 is hollow barrel and one end opening, lower part 3 bottom is fixed in frame 1, the valve body seals the lock and fits the opening part of lower part 3 and communicates with lower part 3 each other, the opening part at lower part 3 top is linked together with the valve body of breather valve, the other end and the external world of lower part 3 communicate, this intercommunication department can set up the barometer or with the direct submergence income aquatic of this end to in order to observe the gas leakage condition.
The breather valve instrument of suppressing still is including overhauing end cap 2, overhaul end cap 2 detachably and connect in frame 1, overhaul end cap 2 and seal and be fixed in the valve body and deviate from the one end of part 3 down, after the valve body lock is on part 3 down, to overhaul end cap 2 and install in frame 1 and seal the valve body other end, overhaul end cap 2 simultaneously and can also compress tightly the valve body on part 3 down, overhaul end cap 2 one end and valve body intercommunication and the other end and external intercommunication, it is linked together to overhaul the 2 other ends of end cap and external air supply, this external air supply can be air pump 5 or other aerating device.
When the breather valve pressing device in the embodiment is used, the overhaul plug 2 is firstly detached from the frame 1, then the valve body is buckled on the lower component 3 and sealed, then the overhaul plug 2 is reinstalled on the frame 1 and sealed at the joint of the overhaul plug 2 and the valve body is guaranteed, then the valve body is inflated through the overhaul plug 2, the air outlet condition of the other end of the lower component 3 is observed, and if the air outlet condition is generated, the sealing property of the valve body is proved to be abnormal.
Referring to fig. 1, in an embodiment, the breather valve pressing tool further includes an upper flange 4, the upper flange 4 is detachably connected to the frame 1, the maintenance plug 2 is detachably connected to the upper flange 4, the upper flange 4 is in sealing connection with the valve body, the upper flange 4 is used for better compressing and fixing the valve body on the frame 1, the maintenance plug 2 is used for sealing the other end of the valve body and communicating with an external air source, the connection between the upper flange 4 and the valve body is sealed, and the connection between the maintenance plug 2 and the upper flange 4 is also sealed.
Optionally, a rubber pad is arranged between the upper flange 4 and the valve body, and the rubber pad is arranged to prevent the upper flange 4 from damaging the valve body while the sealing performance of the joint of the upper flange 4 and the valve body is ensured.
In one embodiment, the valve body is screwed to the lower member 3, and the valve body is fixed to the other portion welded to the pipe by means of an external thread, so that an internal thread is provided at the opening of the lower member 3 and the valve body is fixed to the lower member 3 by means of the internal thread and the external thread of the valve body.
The thread connection of the valve body and the lower component 3 is wound with a raw material belt, and the raw material belt is wound on the connection of the valve body and the lower component 3 for multiple circles, so that the sealing performance is further ensured.
Referring to fig. 1, in an embodiment, the frame 1 includes a bottom plate 11, a double-threaded screw 12, and a nut 13, wherein the bottom plate 11 is used to provide a fixed base for the subsequent structure, and the lower member 3 is fixedly connected to the bottom plate 11.
The double-end screw 12 is the member that both ends have the screw thread, and the one end of double-end screw 12 is fixed in bottom plate 11, and the other end of double-end screw 12 passes upper flange 4, and nut 13 screw thread is fixed in double-end screw 12 and contacts with upper flange 4, and nut 13 is located upper flange 4 and keeps away from bottom plate 11 one side, and back when the valve body lock is on lower part 3, install upper flange 4 on double-end screw 12 and make double-end screw 12 pass upper flange 4, later screw up nut 13 on double-end screw 12 to this makes upper flange 4 firmly compress tightly the valve body.
The fixing mode that the double-threaded screw 12 is fixed on the bottom plate 11 can be that the double-threaded screw 12 is directly welded on the bottom plate 11, and the whole breather valve pressing tool occupies a larger space when not in use.
The fixing mode of the double-threaded screw 12 can also be detachable fixing, namely, a through hole is formed in the bottom plate 11, the double-threaded screw 12 penetrates through the through hole, then the nut 13 is screwed on the double-threaded screw 12, the nut 13 is located on the side, away from the lower part 3, of the bottom plate 11, the nut 13 on the side, close to the flange 4, of the bottom plate 11 is matched with the nut 13 on the side, the valve body is firmly pressed between the bottom plate 11 and the upper flange 4, fixing is achieved, meanwhile, when the device is not used, the nut 13 can be completely screwed off, at the moment, the nut 13, the double-threaded screw 12, the bottom plate 11 and the upper flange 4 are independent assemblies, and storage is facilitated.
Also, the lower member 3 and the base plate 11 may be detachably connected for storage.
Referring to fig. 1, 3 and 4, in an embodiment, an air inlet loose joint 21 is fixed at one end of the maintenance plug 2, which is far away from the valve body, the air inlet loose joint 21 is communicated with the valve body, and the other end of the air inlet loose joint 21 is communicated with an external air source.
An air outlet loose joint 31 is fixed on the outer wall of the bottom surface of the lower part 3, the air outlet loose joint 31 is communicated with the lower part 3, the other end of the air outlet loose joint 31 is communicated with a pressure gauge or the end is directly immersed into water,
referring to fig. 2, optionally, one end of the air inlet union 21 is communicated with a manual pressure test pump through a hose, one end of the air outlet union 31 is communicated with a hose, the other end of the hose extends into the container 6, the container 6 is filled with liquid, the other end of the hose extends into the liquid and is immersed in the liquid, the container 6 is easy and preferably transparent for convenient observation, and the liquid can be water or other liquids.
Optionally, the joints of the air inlet union 21 and the hose and the joints of the air outlet union 31 and the hose are all wound with thread tapes, so that the tightness of the joints of the air inlet union 21 and the hose and the joints of the air outlet union 31 and the hose are ensured, other interferences are eliminated, and the accuracy of detection is ensured.
In this embodiment, the testing personnel utilize manual pressure testing pump to aerify to the valve body in to observe the surface of water condition, if the surface of water bubble appears then prove that the valve body leakproofness is unusual, if the surface of water does not change then prove that the valve body leakproofness is normal.
In one embodiment, leakage detection liquid is sprayed on the joint of the upper flange 4 and the valve body, the joint of the upper flange 4 and the maintenance plug 2, the joint of the air inlet loose joint 21 and the hose, the joint of the valve body and the lower component 3, and the joint of the air outlet loose joint 31 and the hose, and the leakage detection liquid is mainly used for observing whether air leaks from other positions of the device or not and eliminating interference.
When the leakage detection device is used, after the valve body is fixed on the lower component 3 and the frame 1 is assembled, the leakage detection liquid is sprayed at the joint of the upper flange 4 and the valve body, the joint of the upper flange 4 and the overhauling plug 2, the joint of the air inlet loose joint 21 and the hose, the joint of the valve body and the lower component 3, the air outlet loose joint 31 and the hose, then the valve body is inflated through the air pump 5, whether bubbles appear at each joint is observed, if bubbles appear, the raw material belt needs to be wound again or installed again and inflated again for observation until all joints do not appear bubbles.
This application is when specifically using, install the valve body at 3 one ends of lower part and screw up earlier, later compress tightly lower part 3 on bottom plate 11 and compress tightly upper flange 4 on the valve body, make double-end screw 12 both ends pass bottom plate 11 and upper flange 4 respectively again, compress tightly valve body and lower part 3 between bottom plate 11 and upper flange 4 through nut 13, will admit air loose joint 21 one end and air pump 5 and link to each other, will give vent to anger loose joint 31 one end and stretch into the aquatic, the valve body installation was accomplished this moment.
Then, raw material belts are wound at the joints of the upper flange 4 and the valve body, the joints of the upper flange 4 and the overhauling plug 2, the joints of the air inlet loose joint 21 and the hose, the joints of the valve body and the lower component 3, the joints of the air outlet loose joint 31 and the hose, leakage detection liquid is sprayed at the joints, then the valve body is inflated through the air pump 5, the conditions of the joints are observed, if bubbles appear at the joints, the raw material belts are required to be wound again or installed again and inflated again for observation until no bubbles appear at the joints.
Afterwards, the valve body is inflated through the air pump 5, the water surface is observed, if the water surface is unchanged, the sealing performance of the valve body is proved to be normal, if bubbles appear on the water surface, the sealing performance of the valve body is proved to be abnormal, at the moment, the valve body needs to be taken down, fine adjustment is carried out on the valve body by using a straight knife, the inner locking nut 13 is fastened and fixed, and then the valve body is detected again.
The application provides a breather valve instrument of suppressing, the breather valve welded on the pipeline is not convenient for the problem of overhauing to make the improvement in prior art, has following beneficial effect:
1. because the main position of the failure or air leakage of the breather valve is located at the negative pressure valve disc and the spring assembly in the upper half part of the breather valve, the upper half part of the breather valve is detached and the sealing performance of the breather valve is separately detected, the whole breather valve does not need to be detached, and the detection procedure is greatly simplified;
2. arranging a lower component and an overhauling plug, and tightly clamping the upper half shell of the breather valve between the lower component and the overhauling plug in a sealing manner so as to be convenient for quick tightness detection;
this application structure is succinct, can realize the detection to the breather valve leakproofness under the condition of cutting whole breather valve, and the detection step is simple easy to operate, and the practicality is strong.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims (10)

1. A breather valve pressing tool is used for detecting the sealing performance of a valve body of a breather valve, and comprises a machine frame (1), and is characterized by also comprising a maintenance plug (2) and a lower component (3);
the lower component (3) is fixedly connected to the rack (1), the lower component (3) is a hollow cylinder, an opening is formed in one end of the lower component (3), the valve body is in sealing buckling on the opening of the lower component (3) and is communicated with the lower component (3), and the other end of the lower component (3) is communicated with the outside;
overhaul end cap (2) detachably connect in frame (1), the one end of overhauing end cap (2) is sealed to be fixed in the valve body deviates from down the one end of part (3) and with the valve body intercommunication, the other end and the external intercommunication of overhauing end cap (2).
2. The breather valve pressuring tool according to claim 1, further comprising an upper flange (4), wherein the upper flange (4) is detachably connected to the frame (1), the service plug (2) is detachably connected to the upper flange (4), and the upper flange (4) and the valve body are hermetically connected.
3. A tool according to claim 2, characterized in that a rubber gasket is provided between the upper flange (4) and the valve body.
4. The breather valve pressing tool according to claim 2, wherein a raw material tape is wound at the joint of the overhaul plug (2) and the upper flange (4).
5. The breather valve pressing tool according to claim 2, wherein the frame (1) comprises a bottom plate (11), a double-threaded screw (12), and a nut (13);
the lower part (3) is fixed on the bottom plate (11), and the double-end screw (12) is fixed on the bottom plate (11) and penetrates through the upper flange (4);
the nut (13) is fixed on the double-thread screw (12) in a threaded mode and is in contact with the upper flange (4), and the nut (13) is located on one side, far away from the bottom plate (11), of the upper flange (4).
6. The breather valve pressing tool according to claim 2, wherein an air inlet loose joint (21) is fixed at one end of the maintenance plug (2) far away from the valve body, and the air inlet loose joint (21) is communicated with the valve body;
an air outlet loose joint (31) is fixed on the outer wall of the bottom surface of the lower part (3), and the air outlet loose joint (31) is communicated with the lower part (3).
7. The tool according to claim 6, further comprising an air pump (5) and a container (6);
the air pump (5) is communicated with the air inlet loose joint (21) through a hose;
the container (6) is filled with liquid, one end of the air outlet movable joint (31) is fixed with a hose, and the other end of the hose extends into the liquid.
8. The tool of claim 7, wherein the air inlet joint (21) and the hose joint, and the air outlet joint (31) and the hose joint are wound with raw material tapes.
9. The tool of claim 7 or 8, wherein the joints of the upper flange (4) and the valve body, the joints of the upper flange (4) and the maintenance plug (2), the joints of the air inlet union (21) and the hose, the joints of the valve body and the lower part (3), and the joints of the air outlet union (31) and the hose are sprayed with leakage detection liquid.
10. The breather valve pressuring tool according to claim 1, wherein the valve body and the lower component (3) are connected through screw threads, and the thread joint is wound with raw material tape.
CN202122748161.7U 2021-11-10 2021-11-10 Breather valve instrument of suppressing Active CN216955018U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122748161.7U CN216955018U (en) 2021-11-10 2021-11-10 Breather valve instrument of suppressing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122748161.7U CN216955018U (en) 2021-11-10 2021-11-10 Breather valve instrument of suppressing

Publications (1)

Publication Number Publication Date
CN216955018U true CN216955018U (en) 2022-07-12

Family

ID=82305765

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122748161.7U Active CN216955018U (en) 2021-11-10 2021-11-10 Breather valve instrument of suppressing

Country Status (1)

Country Link
CN (1) CN216955018U (en)

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