CN219608314U - Multichannel partial pressure test fixture - Google Patents
Multichannel partial pressure test fixture Download PDFInfo
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- CN219608314U CN219608314U CN202320885154.8U CN202320885154U CN219608314U CN 219608314 U CN219608314 U CN 219608314U CN 202320885154 U CN202320885154 U CN 202320885154U CN 219608314 U CN219608314 U CN 219608314U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model provides a multichannel partial pressure testing tool which comprises a step stand, wherein the top surface of the step stand consists of table boards which rise gradually from bottom to top, a single channel pipe which is arranged in the step stand is arranged below each table board, self-sealing quick connectors are communicated with the single channel pipe at uniform intervals along the table boards, and the self-sealing quick connectors upwards penetrate through the table boards; the adjacent single-channel pipes are connected in series through a communicating pipe, and a shunt ball valve is arranged on the communicating pipe; the step stand is provided with a total pressure inlet interface which is communicated with one end of a serial flow path formed by connecting a plurality of single-channel tubes in series. In the structure of the utility model, the shunt ball valve is matched with the serial single-channel pipe, and a shunt isolation channel installation mode is adopted, so that the installation and detection of pressure transmitters in different measuring ranges are realized, the test and installation process is simplified, and the production efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of pressure testing, and particularly relates to a multichannel partial pressure testing tool.
Background
The pressure transmitter is generally composed of a pressure flange, a sensor, a PCB signal processing board (or a display board) and an electrical junction box, and the quality of the pressure transmitter depends on the accuracy of pressure detection of the pressure transmitter, so that the pressure transmitter needs to be subjected to corresponding pressure debugging and factory detection before being shipped.
In the debugging and detection of factory pressure, the pressure transmitter usually comprises a plurality of pressure measuring ranges, and the existing pressure testing tool can only provide one test pressure generally, cannot adapt to the simultaneous testing of the pressure transmitters in the plurality of different pressure measuring ranges, has a small application range and influences the testing efficiency of the pressure transmitter.
How to design a multichannel partial pressure test fixture and how to adapt to simultaneous testing of pressure transmitters in various different pressure testing ranges becomes an urgent problem to be solved.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a multi-channel partial pressure testing tool, which is used for solving the problem that the testing tool in the prior art cannot adapt to simultaneous testing of pressure transmitters with different pressure testing ranges.
In order to achieve the purpose, the utility model provides a multi-channel partial pressure testing tool, which comprises a step vertical frame, wherein the top surface of the step vertical frame consists of table tops which rise gradually from bottom to top, single-channel pipes which are arranged in the step vertical frame are arranged below the table tops, self-sealing quick connectors are communicated with the single-channel pipes at uniform intervals along the table tops, and the self-sealing quick connectors upwards penetrate through the table tops;
the adjacent single-channel pipes are connected in series through a communicating pipe, and a shunt ball valve is arranged on the communicating pipe;
the step stand is provided with a total pressure inlet interface which is communicated with one end of a serial flow path formed by connecting a plurality of single-channel tubes in series.
By adopting the technical scheme: the communicating pipe provided with the shunt ball valve is connected with a plurality of single-channel pipes in series, after the pressure is supplied by the total inlet joint, the pressure inside the plurality of single-channel pipes is the same, at the moment, the pressure transmitter can be connected to any self-sealing quick connector communicated with any single-channel pipe, and the pressure debugging and testing of the pressure transmitter under the pressure state are carried out; when the shunt ball valve on any communicating pipe is closed, the shunt ball valve can cut off the pressure between the single-channel pipes on two sides, after the pressure is supplied by the total inlet port, the pressure inside the single-channel pipes on two sides of the closed shunt ball valve is different, and the pressure transmitters in two pressure ranges can be simultaneously debugged and tested; based on the method, the pressure transmitters in various pressure ranges can be simultaneously debugged and tested through the control of the shunt ball valve on each communicating pipe, so that the testing range of the testing tool is increased, and the testing efficiency of the pressure transmitters is improved; the self-sealing quick connector is arranged on the single-channel pipe and used for mounting the pressure transmitter, the test mounting quantity of the pressure transmitter can be changed quickly and randomly without affecting the tightness, and the test efficiency of the pressure transmitter is indirectly improved.
In an embodiment of the utility model, the single-channel tube is fixedly connected to the inner top wall of the step stand through a U-shaped connector;
by adopting the technical scheme: the U-shaped connector is used for realizing the fixed connection of the single-channel tube in the step vertical frame.
In an embodiment of the utility model, the self-sealing quick connector comprises a channel rod, the lower end of which is connected and communicated with the single channel pipe, and a spiral connector is arranged at the top end limiting sleeve of the channel rod;
a valve rod penetrates through the inside of the channel rod from top to bottom, a spring is arranged between the top end of the valve rod and the top end of the channel rod, and sealing blocks are arranged at the bottom ends of the valve rod and the channel rod;
by adopting the technical scheme: when the pressure transmitter is connected, the pressure receiving end of the pressure transmitter is screwed with the spiral connector, in the screwing process, the pressure receiving end of the pressure transmitter can downwards press the valve rod, and the valve rod pushes the sealing block to be separated from the bottom end of the channel rod to release the sealing state, so that normal pressure supply can be realized; when the pressure transmitter is disassembled, the valve rod moves upwards under the action of the spring, and the sealing block is pressed at the lower end of the channel rod, so that the lower end of the channel rod is sealed, the pressure is prevented from being led out upwards from the inside of the channel rod, and the purpose of pressure sealing is achieved.
In an embodiment of the utility model, a sub-terminal interface is arranged on the adjacent side of the mesa corresponding to the self-sealing quick connector, and the sub-terminal interface is connected with a main terminal interface arranged on the step stand through a signal wire;
by adopting the technical scheme: after the pressure transmitter is connected with the self-sealing quick connector, the signal connecting wire can be directly connected with the sub-terminal interface, and then the signal connecting wire is intensively led out from the main terminal interface, so that the wiring difficulty is reduced, and the problem of wiring disorder is avoided.
In an embodiment of the utility model, a serial flow path formed by connecting a plurality of single-channel tubes in series is sealed at one end far away from a communication total pressure inlet interface;
by adopting the technical scheme: the pressure maintaining device ensures that the inside of each single channel pipe can be maintained so as to ensure that the pressure transmitter connected through the self-sealing quick connector on each single channel pipe can be subjected to pressure debugging and testing.
Advantageous effects
In the structure of the utility model, the shunt ball valve is matched with the serial single-channel pipe, and a shunt isolation channel installation mode is adopted, so that the installation and detection of pressure transmitters in different measurement ranges are realized, the test and installation process is simplified, and the production efficiency is improved; the sealing structure of the self-sealing quick connector can meet various detection requirements in the production process of the pressure transmitter; the popularization and application have good economic benefit and social benefit.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a side view of the present utility model.
Fig. 3 is a bottom view of the present utility model.
Fig. 4 is a cross-sectional view of the self-sealing quick connector of the present utility model.
In the figure: 1. a step stand; 2. a table top; 3. a single channel tube; 4. self-sealing quick connector; 41. a channel rod; 42. a screw joint; 43. a valve stem; 44. a spring; 45. a sealing block; 5. a total pressure inlet interface; 6. a shunt ball valve; 7. a total terminal interface; 8.U type connector.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
Please refer to fig. 1 to 4. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
As shown in fig. 1-4, the utility model provides a multi-channel partial pressure testing tool, which comprises a step vertical frame 1, wherein the top surface of the step vertical frame 1 consists of table boards 2 which rise gradually from bottom to top, single-channel pipes 3 which are arranged in the step vertical frame 1 are arranged below each table board 2, self-sealing quick connectors 4 are communicated with the single-channel pipes 3 at uniform intervals along the table boards 2, and the self-sealing quick connectors 4 upwards penetrate through the table boards 2; adjacent single-channel pipes 3 are connected in series through a communicating pipe, and a shunt ball valve 6 is arranged on the communicating pipe; the step vertical frame 1 is provided with a total pressure inlet joint 5, the total pressure inlet joint 5 is communicated with one end of a serial flow path formed by connecting a plurality of single-channel pipes 3 in series, the other end of the serial flow path formed by connecting the plurality of single-channel pipes 3 in series is sealed, the plurality of single-channel pipes 3 are connected in series through a communicating pipe provided with a shunt ball valve 6, after the total pressure inlet joint 5 supplies pressure, the pressure inside the plurality of single-channel pipes 3 is the same, at the moment, a pressure transmitter can be connected to any self-sealing quick connector 4 communicated with any single-channel pipe 3, and the pressure debugging and testing of the pressure transmitter under the pressure state are carried out; when the shunt ball valve 6 on any communicating pipe is closed, the shunt ball valve 6 can cut off the pressure between the single-channel pipes 3 at two sides, after the pressure supplied by the total pressure inlet interface 5 is changed, the pressure inside the single-channel pipes 3 at two sides of the shunt ball valve 6 is closed, so that the pressure transmitters in two pressure ranges can be simultaneously debugged and tested; based on the method, the pressure transmitters in various pressure ranges can be simultaneously debugged and tested through the control of the shunt ball valve 6 on each communicating pipe, the testing range of the testing tool is increased, and therefore the testing efficiency of the pressure transmitters is improved.
The self-sealing quick connector 4 comprises a channel rod 41, the lower end of which is connected and communicated with the single channel tube 3, and a screw connector 42 is arranged at the top end limit sleeve of the channel rod 41; a valve rod 43 is arranged in the channel rod 41 in a penetrating manner from top to bottom, a spring 44 is arranged between the top end of the valve rod 43 and the top end of the channel rod 41, a sealing block 45 is arranged at the bottom end of the valve rod 43 and the bottom end of the channel rod 41, when the pressure transmitter is connected, the pressure receiving end of the pressure transmitter is screwed with the spiral joint 42, in the screwing process, the pressure receiving end of the pressure transmitter downwards presses the valve rod 43, and the valve rod 43 pushes the sealing block 45 to be separated from the bottom end of the channel rod 41 to release the sealing state, so that normal pressure supply can be realized; when the pressure transmitter is disassembled, the valve rod 43 moves upwards under the action of the spring 44, and the sealing block 45 is pressed on the lower end of the channel rod 41, so that the lower end of the channel rod 41 is sealed, the pressure is prevented from being led out upwards from the inside of the channel rod 41, and the purpose of pressure sealing is achieved.
The adjacent side of the table top 2 corresponding to the self-sealing quick connector 4 is provided with a sub-terminal interface, the sub-terminal interface is connected with a total terminal interface 7 arranged on the step vertical frame 1 through a signal wire, after the pressure transmitter is connected with the self-sealing quick connector 4, the signal connection wire can be directly connected with the sub-terminal interface, and then the signal connection wire is intensively led out from the total terminal interface 7, so that the wiring difficulty is reduced, and the problem of scattered wiring is avoided.
The test fixture can be used for pressure debugging and testing of the pressure transmitter, and in the concrete implementation, the pressure receiving end of the pressure transmitter to be tested is opposite to the self-sealing quick connector 4, the pressure receiving end of the pressure transmitter is connected with the pressure transmitter by rotating the spiral connector 42 on the self-sealing quick connector 4, when the spiral connector 42 is screwed, the pressure receiving end of the pressure transmitter downwards presses the valve rod 43, the valve rod 43 drives the sealing block 45 at the bottom end to downwards move, so that the pressure receiving end of the pressure transmitter is communicated with the single-channel pipe 3, and then the pressure is directly introduced into the single-channel pipe 3 through the total pressure inlet connector 5, so that the pressure debugging and testing of the pressure transmitter can be performed; when the pressure debugging and testing of the pressure transmitter under other pressure ranges are needed, the shunt ball valve 6 between the single-channel pipes 3 is closed, after the pressures at two sides are cut off, the pressure supply pressure of the total pressure inlet joint 5 is changed, and the pressure debugging and testing of the pressure transmitter under other pressure ranges can be performed on the other single-channel pipe 3, namely the actions of simultaneously performing the pressure debugging and testing of the pressure transmitter under two different pressure ranges are completed.
In summary, the multi-channel partial pressure testing tool provided by the utility model is matched with the serial single-channel pipe 3 through the shunt ball valve 6, and adopts a shunt isolation channel mounting mode, so that the mounting and detection of pressure transmitters in different measuring ranges are realized, the testing and mounting process is simplified, and the production efficiency is improved; the sealing structure of the self-sealing quick connector 4 can meet various detection requirements in the production process of the pressure transmitter; the popularization and application have good economic benefit and social benefit. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (5)
1. The utility model provides a multichannel partial pressure test fixture, includes step grudging post (1), its characterized in that: the top surface of the step stand (1) consists of table boards (2) ascending step by step from bottom to top, a single-channel pipe (3) arranged inside the step stand (1) is arranged below each table board (2), self-sealing quick connectors (4) are communicated with the single-channel pipe (3) at uniform intervals along the table boards (2), and the self-sealing quick connectors (4) penetrate through the table boards (2) upwards;
the adjacent single-channel pipes (3) are connected in series through a communicating pipe, and a shunt ball valve (6) is arranged on the communicating pipe;
the step stand (1) is provided with a total pressure inlet interface (5), and the total pressure inlet interface (5) is communicated with one end of a serial flow path formed by connecting a plurality of single-channel pipes (3) in series.
2. The multi-channel partial pressure test fixture of claim 1, wherein: the single-channel pipe (3) is fixedly connected to the inner top wall of the step stand (1) through a U-shaped connector (8).
3. The multi-channel partial pressure test fixture of claim 1, wherein: the self-sealing quick connector (4) comprises a channel rod (41) with the lower end connected and communicated with the single channel pipe (3), and a spiral connector (42) is arranged at the top end limiting sleeve of the channel rod (41);
the inside top-down of passageway pole (41) wears to be equipped with valve rod (43), be equipped with spring (44) between the top of valve rod (43) and the top of passageway pole (41), the bottom of valve rod (43) and the bottom of passageway pole (41) are equipped with sealing block (45).
4. The multi-channel partial pressure test fixture of claim 1, wherein: the bench surface (2) is provided with a sub-terminal interface on the adjacent side corresponding to the self-sealing quick connector (4), and the sub-terminal interface is connected with a total terminal interface (7) arranged on the step stand (1) through a signal wire.
5. The multi-channel partial pressure test fixture of claim 1, wherein: a serial flow path formed by connecting a plurality of single-channel pipes (3) in series is sealed at one end far away from a communication general inlet joint (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320885154.8U CN219608314U (en) | 2023-04-19 | 2023-04-19 | Multichannel partial pressure test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320885154.8U CN219608314U (en) | 2023-04-19 | 2023-04-19 | Multichannel partial pressure test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219608314U true CN219608314U (en) | 2023-08-29 |
Family
ID=87745583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320885154.8U Active CN219608314U (en) | 2023-04-19 | 2023-04-19 | Multichannel partial pressure test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219608314U (en) |
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2023
- 2023-04-19 CN CN202320885154.8U patent/CN219608314U/en active Active
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