CN220416379U - Pipeline valve of pressure instrument - Google Patents
Pipeline valve of pressure instrument Download PDFInfo
- Publication number
- CN220416379U CN220416379U CN202322067357.9U CN202322067357U CN220416379U CN 220416379 U CN220416379 U CN 220416379U CN 202322067357 U CN202322067357 U CN 202322067357U CN 220416379 U CN220416379 U CN 220416379U
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- Prior art keywords
- connecting rod
- hole
- wall
- pressure instrument
- valve
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 18
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model relates to the technical field of pressure instrument installation, and provides a pressure instrument pipeline valve, which comprises a first connecting rod, wherein one end of the first connecting rod is provided with a guide hole, the other end of the first connecting rod is provided with a connecting hole, the diameter of the guide hole is smaller than that of the connecting hole, the outer wall of the guide hole is rotationally connected with an installation cylinder, the inner wall of the installation cylinder is provided with an internal thread for connecting with a pressure instrument, a hollow second connecting rod is fixedly connected in the connecting hole, and the second connecting rod is fixedly connected with a connecting pipeline; a valve core is arranged in the guide hole in a penetrating mode, a baffle ring is arranged on the side wall of one end, close to the connecting hole, of the valve core, an elastic piece is arranged between the baffle ring and the end portion of the second connecting rod, so that the baffle ring is tightly sealed with the end portion of the guide hole, an air inlet hole is formed in one end, away from the connecting hole, of the valve core, and an air vent hole communicated with the air inlet hole is formed in the side wall of the valve core. The pressure instrument is not required to be disassembled or assembled, the precision and safety are prevented from being influenced, the pressure instrument is convenient to use in a narrow space, and the pipeline valve can be self-sealed after the pressure instrument is disassembled.
Description
Technical Field
The utility model relates to the technical field of pressure instrument installation, in particular to a pressure instrument pipeline valve.
Background
The pressure instrument is widely applied to gas engineering of gas supply engineering of hospitals, is arranged on a gas pipeline or in box equipment, and plays a role in measuring and displaying the pressure in a pipeline. At present, a plurality of medical instruments and non-medical instrument pressure instruments in hospitals are directly arranged on pipelines or equipment parts, when the pressure instruments are in fault, damaged or need to be taken down in a year, pipeline gas must be closed, so that the condition that gas supply area is out of gas to bring potential safety hazard to patients is caused, and meanwhile, a great amount of gas and pressure existing in a gas pipeline can bring potential safety hazard to operators when the pressure gauge is taken; in addition, a plurality of small pressure gauges are directly arranged on equipment, air leakage occurs after the pressure gauges are disassembled for several times, great potential safety hazards exist, the pressure gauges belong to precise meters, and the pressure gauges are directly communicated with a pipeline and cannot play roles in condensing (radiating), buffering and damping gas entering the pressure gauges; in addition, the accuracy and safety of the pressure gauge can be influenced by the fact that the pressure gauge is directly rotated in the mounting and dismounting mode, and the pressure gauge is inconvenient to use in a narrow space because enough pressure gauge rotating space is needed.
Disclosure of Invention
The utility model aims to provide a pipeline valve of a pressure instrument, which aims to solve the defects of the prior art in the installation mode of the pressure gauge.
The embodiment of the utility model is realized by the following technical scheme:
the utility model provides a pressure instrument pipeline valve, includes the head rod, and the one end of head rod is equipped with the guiding hole, and the other end is equipped with the connecting hole, and the diameter of guiding hole is less than the diameter of connecting hole, and the outer wall rotation of guiding hole is connected with the installation section of thick bamboo, and the inner wall of installation section of thick bamboo is equipped with the internal thread that is used for being connected with pressure instrument, fixedly connected with hollow second connecting rod in the connecting hole, second connecting rod fixedly connected with connecting line; a valve core capable of sliding along the radial direction is arranged in the guide hole in a penetrating manner, a baffle ring is arranged on the side wall of one end, close to the connecting hole, of the valve core, an elastic piece is arranged between the baffle ring and the end part of the second connecting rod, so that the baffle ring is tightly sealed with the end part of the guide hole, an air inlet hole is formed in one end, far away from the connecting hole, of the valve core, and an air vent hole communicated with the air inlet hole is formed in the side wall of the valve core.
Optionally, the inner wall of the mounting cylinder is provided with a first annular clamping groove, the outer wall of the first connecting rod is provided with a second annular clamping groove, and a steel wire ring is embedded between the first annular clamping groove and the second annular clamping groove.
Optionally, the outer wall of the side, close to the guide hole, of the baffle ring of the valve core is provided with a first annular groove, and a first sealing ring is installed in the first annular groove.
Optionally, a second annular groove is formed in the end portion, close to one end of the mounting cylinder, of the first connecting rod, and a second sealing ring is mounted on the second annular groove.
Optionally, the elastic element is a conical spring.
Optionally, a positioning disc is arranged on the outer wall of the second connecting rod, the end part of the first connecting rod abuts against one side of the positioning disc, and the end part of the connecting pipeline abuts against the other end of the positioning disc.
Optionally, the first connecting rod and the connecting pipeline are welded with the positioning disc.
The utility model has at least the following advantages and beneficial effects:
1. in the utility model, the interface of the pressure instrument is connected with the internal thread on the mounting cylinder through the thread, and the connecting pipeline is connected with the system pipeline (or equipment).
2. In the utility model, the mounting cylinder can rotate relative to the first connecting rod, so that when the pressure instrument is mounted or dismounted, the mounting cylinder is only required to be rotated, the pressure instrument is slightly fixed to avoid circumferential rotation (or a certain surface in the mounting environment is directly utilized to prop against one side of the pressure instrument and also can avoid circumferential rotation), and the dismounting and mounting of the pressure instrument can be realized, namely, the pressure instrument is not required to rotate when the pressure instrument is mounted or dismounted, the precision and safety of the pressure instrument are not influenced, and the pressure instrument is convenient to use in a narrow space.
3. In the utility model, after the pressure instrument is installed, the elastic piece is compressed, the vent hole is positioned in the connecting hole of the first connecting rod, the connecting pipeline is communicated with the pressure instrument, after the pressure instrument is disassembled, the elastic piece is recovered, the vent hole is positioned in the guide hole, the valve core is sealed with the end part of the guide hole under the action of the elastic piece, namely, after the pressure instrument is disassembled, the pipeline valve can self-seal, so that the system pipeline (or equipment) is not required to be closed when the pressure instrument is disassembled.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of a pressure gauge line valve provided by the present utility model;
FIG. 2 is an enlarged view at A of FIG. 1;
FIG. 3 is an exploded view of a pressure gauge line valve provided by the present utility model;
FIG. 4 is a cross-sectional view of the first connecting rod;
FIG. 5 is a cross-sectional view of the mounting cylinder;
FIG. 6 is a schematic structural view of a second connecting rod;
FIG. 7 is a cross-sectional view of the valve cartridge;
icon: the device comprises a first connecting rod, a 101-guiding hole, a 102-connecting hole, a 103-second annular clamping groove, a 104-second sealing ring groove, a 2-mounting cylinder, a 201-first annular clamping groove, a 3-second connecting rod, a 301-positioning disc, a 4-connecting pipeline, a 5-valve core, a 501-baffle ring, a 502-air inlet hole, a 503-vent hole, a 504-first ring groove, a 6-elastic piece, a 7-steel wire ring, an 8-first sealing ring and a 9-second sealing ring.
Detailed Description
Referring to fig. 1-7, a pressure instrument pipeline valve comprises a first connecting rod 1, wherein one end of the first connecting rod 1 is provided with a guide hole 101, the other end of the first connecting rod is provided with a connecting hole 102, the diameter of the guide hole 101 is smaller than that of the connecting hole 102, the outer wall of the guide hole 101 is rotationally connected with a mounting cylinder 2, the inner wall of the mounting cylinder 2 is provided with internal threads for being connected with a pressure instrument, and a connecting port of the pressure instrument is connected with the internal threads of the mounting cylinder 2 through the threads.
Because the installation cylinder 2 can rotate relative to the first connecting rod 1, when the pressure instrument is installed or dismounted, only the installation cylinder 2 is required to be rotated, and meanwhile, the pressure instrument is slightly fixed to avoid circumferential rotation (or a certain surface in an installation environment is directly utilized to prop against one side of the pressure instrument and also avoid circumferential rotation), so that the dismounting and the mounting of the pressure instrument can be realized, namely, the pressure instrument is not required to rotate when the pressure instrument is installed or dismounted, the precision and the safety of the pressure instrument are prevented from being influenced, and meanwhile, the pressure instrument is also convenient to use in a narrow space.
In this embodiment, the manner in which the installation tube 2 is rotationally connected with the first connecting rod 1 is as follows, the inner wall of the installation tube 2 is provided with a first annular clamping groove 201, the outer wall of the first connecting rod 1 is provided with a second annular clamping groove 103, a steel wire ring 7 is embedded between the first annular clamping groove 201 and the second annular clamping groove 103, on the basis, it is easy to understand that the steel wire ring 7 is clamped between the first annular clamping groove 201 and the second annular clamping groove 103, the relative axial displacement of the installation tube 2 and the first connecting rod 1 is limited, the installation tube 2 is ensured to be capable of rotating relative to the first connecting rod 1, the section profile perpendicular to the axis is designed to be a regular hexagon for facilitating the rotation of the installation tube 2, and the installation tube 2 is wholly similar to the shape of a nut.
It should be understood that in other embodiments of the present utility model, the mounting cylinder 2 may be rotatably connected to the first connecting rod 1 in other manners, such as by a bearing therebetween, or by a plurality of balls, or in other manners capable of achieving the same function.
In this embodiment, the end of the first connecting rod 1 near one end of the installation cylinder 2 is provided with a second ring groove, the second ring groove is provided with a second sealing ring 9, the second sealing ring 9 is a flat gasket, and the function of the second sealing ring 9 is to ensure that the pressure instrument connection port and the end of the first connecting rod 1 near the installation cylinder 2 can be sealed, so that air leakage from the pressure instrument connection port and the first connecting rod is avoided.
The hollow second connecting rod 3 is fixedly connected with the inside of the connecting hole 102, the connecting pipeline 4 is fixedly connected with the second connecting rod 3, specifically, the outer wall of the second connecting rod 3 is provided with the positioning disk 301 in the embodiment, the end part of the first connecting rod 1 is propped against one side of the positioning disk 301, the end part of the connecting pipeline 4 is propped against the other end of the positioning disk 301, further, the first connecting rod 1 and the connecting pipeline 4 are welded with the positioning disk 301, it is worth to say that the first connecting rod 1 and the second connecting rod 3 and the connecting pipeline 4 and the second connecting rod 3 are initially positioned before the positioning disk 301 is arranged to facilitate welding, and in addition, the outer diameters of the connecting pipeline 4 and the first connecting rod 1 are best consistent, so that the structure is attractive.
In other embodiments of the present utility model, the first connecting rod 1 and the second connecting rod 3, and the second connecting rod 3 and the connecting pipe 4 may be fixedly connected, such as by bonding, in other manners.
In practical application, the connecting pipeline 4 can select a special-shaped connecting pipeline 4 with a proper shape according to the space shape of a special-custom use environment, so that the use requirement of a special compact space is met. In practical application, the interface of the pressure meter is connected with the internal thread on the mounting cylinder 2 through the thread, and the connecting pipeline 4 is connected with a system pipeline (or equipment).
On the basis of the above, the guide hole 101 of the first connecting rod 1 is internally provided with the valve core 5 capable of sliding along the radial direction, and it is easy to understand that the valve core 5 is matched with the guide hole 101, that is, the nominal diameters of the two are equal, one end of the valve core 5 away from the connecting hole 102 is provided with an air inlet 502, and the side wall of the valve core 5 is provided with an air vent 503 communicated with the air inlet 502. The side wall of one end of the valve core 5, which is close to the connecting hole 102, is provided with a baffle ring 501, and an elastic member 6 is arranged between the baffle ring 501 and the end of the second connecting rod 3, so that the baffle ring 501 and the end of the guiding hole 101 are tightly abutted and sealed, the elastic member 6 in this embodiment selects a cone spring, and it is easy to understand that in other embodiments, the elastic member 6 may also select other elastic parts capable of realizing expansion and contraction, such as a cylindrical spring.
After the pressure instrument is installed, the elastic piece 6 is compressed, the vent hole 503 is located in the connecting hole 102 of the first connecting rod 1, the connecting pipeline 4 is communicated with the pressure instrument, after the pressure instrument is disassembled, the elastic piece 6 is recovered, the vent hole 503 is located in the guide hole 101, the valve core 5 is sealed with the end part of the guide hole 101 under the action of the elastic piece 6, namely, after the pressure instrument is disassembled, the pipeline valve can self-seal, so that the system pipeline (or equipment) is not required to be closed when the pressure instrument is disassembled.
In this embodiment, the outer wall of the valve core 5 on one side of the baffle ring 501 near the guide hole 101 is provided with a first ring groove 504, a first sealing ring 8 is installed in the first ring groove 504, the first sealing ring 8 is an O-shaped sealing ring, the sealing performance between the baffle ring 501 and the end of the guide hole 101 can be improved by the first sealing ring 8, and the self-sealing performance of the pipeline valve after the pressure instrument is disassembled is ensured.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The pressure instrument pipeline valve is characterized by comprising a first connecting rod, wherein one end of the first connecting rod is provided with a guide hole, the other end of the first connecting rod is provided with a connecting hole, the diameter of the guide hole is smaller than that of the connecting hole, the outer wall of the guide hole is rotationally connected with a mounting cylinder, the inner wall of the mounting cylinder is provided with an internal thread for being connected with a pressure instrument, a hollow second connecting rod is fixedly connected in the connecting hole, and the second connecting rod is fixedly connected with a connecting pipeline; a valve core capable of sliding along the radial direction is arranged in the guide hole in a penetrating manner, a baffle ring is arranged on the side wall of one end, close to the connecting hole, of the valve core, an elastic piece is arranged between the baffle ring and the end part of the second connecting rod, so that the baffle ring is tightly sealed with the end part of the guide hole, an air inlet hole is formed in one end, far away from the connecting hole, of the valve core, and an air vent hole communicated with the air inlet hole is formed in the side wall of the valve core.
2. The pressure gauge pipeline valve of claim 1, wherein the inner wall of the mounting cylinder is provided with a first annular clamping groove, the outer wall of the first connecting rod is provided with a second annular clamping groove, and a steel wire ring is embedded between the first annular clamping groove and the second annular clamping groove.
3. The pressure gauge line valve of claim 1, wherein the valve core has a first annular groove in an outer wall of the baffle ring on a side thereof adjacent to the pilot hole, and a first seal ring is installed in the first annular groove.
4. The pressure gauge line valve of claim 1, wherein the end of the first connecting rod adjacent to the mounting cylinder end is provided with a second ring groove, and a second sealing ring is mounted on the second ring groove.
5. A pressure gauge line valve according to any one of claims 1-4, wherein the resilient member is a conical spring.
6. The pressure gauge line valve of any one of claims 1-4, wherein the outer wall of the second connecting rod is provided with a positioning disk, the end of the first connecting rod abuts against one side of the positioning disk, and the end of the connecting line abuts against the other end of the positioning disk.
7. The pressure gauge line valve of claim 6, wherein the first connecting rod and the connecting line are both welded to the positioning disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322067357.9U CN220416379U (en) | 2023-08-02 | 2023-08-02 | Pipeline valve of pressure instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322067357.9U CN220416379U (en) | 2023-08-02 | 2023-08-02 | Pipeline valve of pressure instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220416379U true CN220416379U (en) | 2024-01-30 |
Family
ID=89654940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322067357.9U Active CN220416379U (en) | 2023-08-02 | 2023-08-02 | Pipeline valve of pressure instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220416379U (en) |
-
2023
- 2023-08-02 CN CN202322067357.9U patent/CN220416379U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |