CN212844224U - Three-way valve leakage-proof detection device with limiting performance - Google Patents

Abstract

The invention discloses a three-way valve leakage-proof detection device with limiting performance, which relates to three-way valve leakage-proof detection and comprises a detection piece and a bottom groove, wherein one end of the outside of the detection piece is provided with a fixing device, one end of the outside of the fixing device is provided with a separation groove, the outside of the separation groove is provided with a partition plate, one end of the outside of the partition plate is connected with a connecting column, and the outside of the connecting column is provided with a detection area. Simple structure and convenient operation for users.

Description

Three-way valve leakage-proof detection device with limiting performance

Technical Field

The invention relates to the technical field of three-way valve leakage prevention detection, in particular to a three-way valve leakage prevention detection device with limiting performance.

Background

The three-way valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and the like, can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and needs to be subjected to sealing performance detection in the production process of the three-way valve so as to ensure the quality of the three-way valve.

The three-way valve leakage prevention detection in the market can detect whether leaking in the detection process, inconveniently judges the leakage opening of a specific part of the three-way valve, brings inconvenience for the use of a user, and has single detection mode when leakage prevention detection is carried out on the three-way valve, brings limitation for the use of the user, and has the defect of heat dissipation and dispersion to a motor used in the detection device in the use process.

Disclosure of Invention

The invention aims to provide a three-way valve leakage-proof detection device with limiting performance, and aims to solve the problems that whether leakage is detected in the detection process of the three-way valve leakage-proof detection provided in the background technology, the leakage opening of a certain part of a three-way valve is inconvenient to judge, the use of a user is inconvenient, the detection mode is single when the leakage-proof detection of the three-way valve is carried out, the use of the user is limited, and the heat dissipation and dispersion of a motor used in the detection device are inconvenient to carry out in the use process.

In order to achieve the purpose, the invention provides the following technical scheme: a three-way valve leakage-proof detection device with limiting performance comprises a detection piece and a bottom groove, wherein a fixing device is arranged at one end outside the detection piece, a separation groove is arranged at one end outside the fixing device, a partition plate is arranged outside the separation groove, a connecting column is connected at one end outside the partition plate, a detection area is arranged outside the connecting column, a main body is arranged outside the detection area, first detection components are arranged at the upper end and the lower end inside the main body, a connection block is connected at one end outside the first detection components, a frame body is arranged at one end outside the connection block, a stirring frame is arranged inside the frame body, stirring blades are arranged in the middle of the inside of the stirring frame, an outer cover is arranged in the middle of the outside of the stirring frame, a motor is arranged inside the outer cover, a fixed adapter tube is connected at one end outside the outer cover, and a connecting tube is arranged at one end outside the, the outside one end of connecting pipe is provided with the water pump, the mid-mounting of the outside one end of stirring frame has the second determine module, and the inside of second determine module is provided with the installation locating plate, the internally mounted of installation locating plate has the linking hose, and links up the outside one end of hose and be provided with the coiling groove, the internally mounted in coiling groove has the coiling dish, the outside right-hand member of stirring frame is provided with measuring device, and the outside one end of measuring device installs the adsorption plate, the kerve is located the outside left end of second determine module.

Preferably, the installation locating plate and the second detection component are of an integrated structure, and the connection hoses are equidistantly distributed inside the installation locating plate.

Preferably, fixing device includes threaded rod, sealing washer, locating plate, mesotrough, hydraulic pressure gas pole and annular, and the inside both ends of fixing device all are connected with hydraulic pressure gas pole, the locating plate is installed to the outside one end of hydraulic pressure gas pole, and the outside of locating plate bottom is provided with the sealing washer, the outside one end of sealing washer is connected with the threaded rod, the inside middle part of fixing device is provided with the mesotrough, and the one end that fixing device kept away from the mesotrough is connected with the annular.

Preferably, the screw thread structure of the outside of the threaded rod is identical with the screw thread structures at the two ends of the inside of the fixing device, the tail end of the threaded rod is tightly attached to the sealing ring, the hydraulic air rods are symmetrically distributed about the vertical central line of the fixing device, and one end of the outside of the hydraulic air rods is in welded connection with the positioning plate.

Preferably, the first detection assembly comprises a connecting pipe, a switching hose and an outer frame, the connecting pipe is installed at one end of the outside of the first detection assembly, the switching hose is installed at one end of the outside of the connecting pipe, and the outer frame is arranged outside the switching hose.

Preferably, the connecting pipes are communicated with the switching hoses, and the number of the switching hoses is three.

Preferably, measuring device includes measuring frame, constant head tank and auxiliary area, and the outside one end of measuring device is provided with the measuring frame, the constant head tank is installed to the outside one end of measuring frame, and the outside of constant head tank is provided with auxiliary area.

Preferably, the measuring device is fixedly connected with the measuring frame, the measuring frame and the positioning groove are located on horizontal lines with different heights, and the thread structure inside the positioning groove is matched with the thread structure inside the detection piece.

Preferably, the water pump is communicated with the connecting pipe body, the outer cover and the fixed adapter pipe are communicated, and the fixed adapter pipe is spirally distributed in the outer cover.

The invention provides a three-way valve leakage-proof detection device with limiting performance, which has the following beneficial effects:

1. according to the invention, through the arrangement of the second detection component, a proper leakage-proof detection mode can be selected according to actual use rotation, a user can inject colored liquid into the stirring frame, the stirring frame is connected with the connecting hose in the second detection component, the connecting hose can be fixedly connected in the detection piece through threads, and the other end of the detection piece can be sealed by the middle groove through threads, so that colored objects can be injected into the detection piece to judge whether the detection piece leaks, the structure is simple, and the operation of the user is convenient.

2. According to the invention, through the arrangement of the fixing device, the positioning plates can be pushed by the action of the hydraulic air rod according to the specific size of the detection piece, the detection piece placed between the two positioning plates can be fixed by adjusting the distance between the positioning plates, and after the fixing is finished, the positioning plates can be extended and shortened by the sealing ring connected with the threaded rod through one end outside the positioning plates, so that the pipe orifices at two ends inside the detection piece can be closed, and the detection effect is conveniently influenced by larger shaking during the subsequent leakage-proof detection of the detection piece.

3. According to the invention, through the arrangement of the first detection component, the first detection component is an air pump, the air pump can be used for inflating the interior of the detection piece when the detection piece is communicated and sealed with the detection piece subsequently by the adapter hose under the action of the mutual communication between the connecting pipe and the adapter hose, meanwhile, a proper amount of water is injected into the detection area, and then a fixing device with a proper height is selected outside the connecting column according to the requirement of the fixed height required by the detection piece, so that when gas is injected into the sealed detection piece in water, the sealing performance of the detection piece is poor when bubbles appear in water.

4. According to the invention, through the arrangement of the measuring device, after the detection of the detection piece for preventing leakage is finished, the detection piece can be horizontally and threadedly connected inside the positioning groove according to the actual use requirement, the height of the detection piece can be measured by utilizing the infrared ray effect inside the measuring frame, the user can conveniently carry out secondary classification treatment according to the height of the detection piece, the user can conveniently carry out subsequent processing and selling on the detection piece, meanwhile, the structure is simple, and more technologies are not needed, so that the user can conveniently and rapidly carry out operation.

5. According to the invention, through the arrangement of the connecting pipe body and the water pump, the fixing adapter pipe is hollow and has cooling water, so that the fixing adapter pipe spirally distributed in the outer cover can be circulated by utilizing the mutual matching of the water pump and the connecting pipe body in the long-time use process of the motor, the heat generated in the working process of the motor can be timely dredged through the circulation of the water in the outer cover, the water can be circulated from the detection area to the auxiliary area through the action of the water pump, and then impurities in the water can be adsorbed by utilizing the adsorption plate made of active carbon before the water is finally discharged.

Drawings

Fig. 1 is a schematic structural view of a detecting member of a three-way valve leakage-proof detecting device with a limiting performance according to the present invention;

fig. 2 is a schematic structural view of a three-way valve leakage-proof detection device with a limiting performance according to the present invention;

FIG. 3 is a schematic view of the internal structure of a fixing device of a three-way valve leakage-proof detection device with a limiting function according to the present invention;

FIG. 4 is a schematic view of a connection column of a three-way valve leakage-proof detection device with a limiting function according to the present invention;

FIG. 5 is a schematic view of the internal structure of a stirring frame of the three-way valve leakage-proof detection device with a limiting performance according to the present invention;

FIG. 6 is a schematic view of a partial structure of the interior of a main body of a three-way valve leakage-proof detection device with a limiting performance according to the present invention;

fig. 7 is a schematic view of the internal structure of a second detecting component of the three-way valve leakage-preventing detecting device with a limiting performance according to the present invention.

In the figure: 1. a detection member; 2. a main body; 3. a detection zone; 4. a fixing device; 401. a threaded rod; 402. a seal ring; 403. positioning a plate; 404. a middle groove; 405. a hydraulic gas lever; 406. a ring groove; 5. connecting columns; 6. a first detection assembly; 601. a connecting pipe; 602. a hose is connected in a switching way; 603. an outer frame; 7. a joining block; 8. a second detection assembly; 801. installing a positioning plate; 802. connecting the hose; 803. a coiling groove; 804. a winding disc; 9. a stirring frame; 10. a frame body; 11. a measuring device; 1101. a measuring frame; 1102. positioning a groove; 1103. an auxiliary region; 12. an adsorption plate; 13. separating the grooves; 14. a partition plate; 15. a housing; 16. a motor; 17. fixing the adapter tube; 18. stirring blades; 19. a bottom groove; 20. connecting the pipe body; 21. and (4) a water pump.

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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", "third", and the like are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meaning of the above terms in the present invention in specific situations.

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a three way valve prevents leaking detection device with limit performance, including the detection piece 1, main part 2, detection zone 3, fixing device 4, threaded rod 401, sealing washer 402, locating plate 403, zhong dao 404, hydraulic pressure gas pole 405, annular 406, spliced pole 5, first detection component 6, connecting pipe 601, switching hose 602, frame 603, linking piece 7, second detection component 8, installation locating plate 801, linking hose 802, winding up tank 803, winding up table 804, agitator frame 9, framework 10, measuring device 11, measuring frame 1101, constant head tank 1102, auxiliary area 1103, adsorption plate 12, separating tank 13, baffle 14, dustcoat 15, motor 16, fixed switching pipe 17, stirring leaf 18, kerve 19, connecting tube body 20 and water pump 21, the one end of detection piece 1 outside is provided with fixing device 4, and separating tank 13 is installed to the outside one end of fixing device 4, fixing device 4 includes threaded rod 401, main part 2, detection zone 3, fixing device 4 includes threaded rod 401, sealing, The detection device comprises a sealing ring 402, a positioning plate 403, a middle groove 404, a hydraulic gas rod 405 and a ring groove 406, wherein the two ends inside the fixing device 4 are connected with the hydraulic gas rod 405, the positioning plate 403 is installed at one end outside the hydraulic gas rod 405, the sealing ring 402 is arranged outside the bottom of the positioning plate 403, one end outside the sealing ring 402 is connected with a threaded rod 401, the threaded structure outside the threaded rod 401 is matched with the threaded structures at the two ends inside the fixing device 4, the tail end of the threaded rod 401 is tightly attached to the sealing ring 402, the hydraulic gas rods 405 are symmetrically distributed about the vertical center line of the fixing device 4, one end outside the hydraulic gas rod 405 is in welded connection with the positioning plate 403, the positioning plate 403 can be pushed by the action of the hydraulic gas rod 405 according to the specific size of the detection piece 1, and the detection piece 1 placed between the two positioning plates 403 can be fixed by adjusting, and the fixed outside one end of accessible locating plate 403 is connected with threaded rod 401 sealing washer 402 after the extension of locating plate 403 with shorten, can seal the mouth of pipe at the inside both ends of detection piece 1 and handle, the follow-up great influence detection effect that rocks that appears when carrying out leak protection detection to detection piece 1 of being convenient for.

A middle groove 404 is arranged in the middle of the inside of the fixing device 4, one end of the fixing device 4 far away from the middle groove 404 is connected with an annular groove 406, a partition plate 14 is arranged outside the partition groove 13, one end of the outside of the partition plate 14 is connected with a connecting column 5, a detection zone 3 is arranged outside the connecting column 5, a main body 2 is arranged outside the detection zone 3, first detection components 6 are arranged at the upper end and the lower end of the inside of the main body 2, a connecting block 7 is connected with one end of the outside of the first detection component 6, the first detection component 6 comprises a connecting pipe 601, a switching hose 602 and an outer frame 603, the connecting pipe 601 is arranged at one end of the outside of the first detection component 6, the switching hose 602 is arranged at one end of the outside of the connecting pipe 601, the outer frame 603 is arranged outside the switching hose 602, the connecting pipe 601 is communicated with the switching hose, can utilize the effect of first detection subassembly 6 to pass through the effect of intercommunication between connecting pipe 601 and the switching hose 602, to with the switching hose 602 follow-up with detect 1 when the inside of detecting 1 is aerifyd and is handled, inject proper amount water simultaneously in the inside of detection zone 3, then select fixing device 4 of suitable height in the outside of spliced pole 5 according to the needs of the required fixed height of detecting 1, thereby can be in the aquatic when the gas is injected to confined detecting 1 inside, it is then not good to detect 1 leakproofness when the bubble appears in the aquatic.

A frame body 10 is arranged at one end outside the connecting block 7, a stirring frame 9 is arranged inside the frame body 10, a stirring blade 18 is arranged at the middle inside the stirring frame 9, an outer cover 15 is arranged at the middle outside the stirring frame 9, a motor 16 is arranged inside the outer cover 15, a fixed adapter tube 17 is connected at one end outside the outer cover 15, a connecting tube body 20 is arranged at one end outside the fixed adapter tube 17, a water pump 21 is arranged at one end outside the connecting tube body 20, the water pump 21 is communicated with the connecting tube body 20, the outer cover 15 and the fixed adapter tube 17 are communicated, the fixed adapter tube 17 is spirally distributed inside the outer cover 15, the fixed adapter tube 17 is hollow and has cooling water, so that the fixed adapter tube 17 spirally distributed inside the outer cover 15 can be circulated by utilizing the mutual matching of the water pump 21 and the connecting tube body 20 in the long-time use process of the motor 16, can carry out timely dredging through the heat that produces in the circulation to the inside water of dustcoat 15 in the motor 16 working process and handle, accessible water pump 21's effect, water circulate to auxiliary area 1103 from detection zone 3, then can utilize the material to carry out adsorption treatment for aquatic impurity for adsorption plate 12 of active carbon before the final discharge of water.

The middle part of one end of the outer part of the stirring frame 9 is provided with a second detection component 8, the inner part of the second detection component 8 is provided with a mounting positioning plate 801, the inner part of the mounting positioning plate 801 is provided with a connecting hose 802, one end of the outer part of the connecting hose 802 is provided with a winding groove 803, the inner part of the winding groove 803 is provided with a winding disc 804, the mounting positioning plate 801 and the second detection component 8 are of an integrated structure, the connecting hose 802 is equidistantly distributed in the mounting positioning plate 801, a proper anti-leakage detection mode can be selected according to the actual use rotation, a user can inject colored liquid into the stirring frame 9, the stirring frame 9 is connected with the connecting hose 802 in the second detection component 8, the connecting hose 802 can be connected and fixed in the detection piece 1 through threads, the other end of the detection piece 1 can be sealed through threads by a middle groove 404, so that colored articles can be injected into the detection piece 1 to judge whether the detection piece 1 leaks, simple structure and convenient operation for users.

The right end of the outer part of the stirring frame 9 is provided with a measuring device 11, one end of the outer part of the measuring device 11 is provided with an adsorption plate 12, the measuring device 11 comprises a measuring frame 1101, a positioning groove 1102 and an auxiliary area 1103, one end of the outer part of the measuring device 11 is provided with the measuring frame 1101, one end of the outer part of the measuring frame 1101 is provided with the positioning groove 1102, the outer part of the positioning groove 1102 is provided with the auxiliary area 1103, the measuring device 11 and the measuring frame 1101 are fixedly connected, the measuring frame 1101 and the positioning groove 1102 are positioned at horizontal lines with different heights, the thread structure inside the positioning groove 1102 is matched with the thread structure inside the detecting piece 1, after the leakage-proof detection of the detecting piece 1 is finished, the detecting piece 1 can be horizontally and threadedly connected inside the positioning groove 1102 according to the actual use requirement, and the height of the detecting piece 1 can be, the person of facilitating the use highly carries out classification once more according to the test piece 1, and the person of facilitating the use carries out subsequent processing and sells to test piece 1, and simple structure need not the quick operation of carrying on of more technique person of facilitating the use simultaneously, and kerve 19 is located the outside left end of second determine module 8.

In summary, when the three-way valve leakage-proof detection device with the limiting performance is used, firstly, a user can place a detection piece 1 to be detected between two positioning plates 403, then the positioning plates 403 can be pushed by using the hydraulic and pneumatic rod 405, the detection piece 1 placed between the two positioning plates 403 is fixed by pushing the positioning plates 403, then the threaded rod 401 can be screwed manually to adjust the extension and contraction conditions of the sealing ring 402, so as to seal the pipe orifices at the two ends of the detection piece 1, then the user can select gas or colored liquid to detect according to the detection requirements of the detection piece 1 or the detection environment, namely, the user can inject colored liquid into the stirring frame 9, the stirring frame 9 is connected with the linking hose 802 inside the second detection assembly 8, the linking hose 802 can be connected and fixed inside the detection piece 1 through threads, the other end of the detecting piece 1 can be sealed by the middle groove 404, so that colored objects can be injected into the detecting piece 1 to judge whether the detecting piece 1 leaks, when gas detection is carried out, the first detecting component 6 is an air pump, the air pump can utilize the function of the first detecting component 6 to perform inflation treatment on the inside of the detecting piece 1 when the connecting pipe 601 and the switching hose 602 are communicated and sealed with the detecting piece 1 subsequently under the action of the first detecting component 6, meanwhile, a proper amount of water is injected into the detecting area 3, then, a fixing device 4 with a proper height is selected outside the connecting column 5 according to the requirement of the required fixed height of the detecting piece 1, so that when gas is injected into the closed detecting piece 1 in water, when bubbles appear in the water, the tightness of the detecting piece 1 is poor, and after the leakage-proof detection of the detecting piece 1 is finished, can be according to actual use needs, detect the inside of piece 1 horizontal threaded connection at constant head tank 1102, can utilize the effect of the inside infrared ray of measurement frame 1101 to measure the height of detecting the piece 1, the person of facilitating the use carries out classification treatment once more according to the height of detecting the piece 1, the inside cavity of fixed adapter tube 17 is at last and there is cooling water, thereby can be to the fixed adapter tube 17 of spiral distribution inside dustcoat 15 can be in the long-time use of model Y280M-2 motor 16 in the utilization of utilizing water pump 21 and connecting tube body 20 mutually to cooperate and circulate, can carry out timely mediation processing to the heat that produces in the motor 16 course of working through the circulation to the inside water of dustcoat 15, the accessible model is the effect of ZDG280J-43X8 water pump 21, water circulates to auxiliary zone 1103 from detection zone 3, then can utilize the material to adsorb impurity in the aquatic just so accomplish whole limit and have just so and limit the absorption processing to the adsorption plate 12 of active carbon before water finally discharges The use process of the three-way valve leakage-proof detection device with the position performance.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims (9)

1. The utility model provides a three-way valve prevents leaking detection device with limit performance, includes detecting element (1) and kerve (19), its characterized in that: the detection device is characterized in that a fixing device (4) is arranged at one end outside the detection piece (1), a separation groove (13) is installed at one end outside the fixing device (4), a partition plate (14) is arranged outside the separation groove (13), a connecting column (5) is connected at one end outside the partition plate (14), a detection zone (3) is arranged outside the connecting column (5), a main body (2) is installed outside the detection zone (3), first detection assemblies (6) are arranged at the upper end and the lower end inside the main body (2), a connection block (7) is connected at one end outside the first detection assemblies (6), a frame body (10) is arranged at one end outside the connection block (7), a stirring frame (9) is installed inside the frame body (10), stirring blades (18) are arranged in the middle inside the stirring frame (9), and an outer cover (15) is installed in the middle outside the stirring frame (9), the automatic winding device is characterized in that a motor (16) is arranged inside the outer cover (15), one end of the outer portion of the outer cover (15) is connected with a fixed adapter tube (17), one end of the outer portion of the fixed adapter tube (17) is provided with a connecting tube body (20), one end of the outer portion of the connecting tube body (20) is provided with a water pump (21), the middle of one end of the outer portion of the stirring frame (9) is provided with a second detection assembly (8), an installation positioning plate (801) is arranged inside the second detection assembly (8), a linking hose (802) is arranged inside the installation positioning plate (801), one end of the outer portion of the linking hose (802) is provided with a winding groove (803), a winding disc (804) is arranged inside the winding groove (803), the right end of the outer portion of the stirring frame (9) is provided with a measuring device (11), and one end of the outer portion of, the bottom groove (19) is positioned at the left end of the outer part of the second detection component (8).

2. A three-way valve leak-proof detection device with limit capability according to claim 1, wherein: installation locating plate (801) and second determine module (8) are the integral structure, and link up hose (802) equidistance and distribute in the inside of installation locating plate (801).

3. A three-way valve leak-proof detection device with limit capability according to claim 1, wherein: fixing device (4) include threaded rod (401), sealing washer (402), locating plate (403), well groove (404), hydraulic pressure gas pole (405) and annular (406), and the inside both ends of fixing device (4) all are connected with hydraulic pressure gas pole (405), locating plate (403) are installed to the outside one end of hydraulic pressure gas pole (405), and the outside of locating plate (403) bottom is provided with sealing washer (402), the outside one end of sealing washer (402) is connected with threaded rod (401), the inside middle part of fixing device (4) is provided with well groove (404), and the one end that fixing device (4) kept away from well groove (404) is connected with annular (406).

4. A three-way valve leak-proof detection device with limit capability according to claim 3, wherein: the screw thread structure of threaded rod (401) outside is identical with the screw thread structure at the inside both ends of fixing device (4), and the end and sealing washer (402) of threaded rod (401) are for closely laminating, hydraulic pressure gas pole (405) are the symmetric distribution about the vertical center line of fixing device (4), and the outside one end of hydraulic pressure gas pole (405) is welded connection with locating plate (403).

5. A three-way valve leak-proof detection device with limit capability according to claim 1, wherein: first detection element (6) are including connecting pipe (601), switching hose (602) and frame (603), and connecting pipe (601) are installed to the outside one end of first detection element (6), switching hose (602) are installed to the outside one end of connecting pipe (601), and the outside of switching hose (602) is provided with frame (603).

6. A three-way valve leakage prevention detection device with limit performance according to claim 5, wherein: the connecting pipes (601) are communicated with the switching hoses (602), and the number of the switching hoses (602) is three.

7. A three-way valve leak-proof detection device with limit capability according to claim 1, wherein: the measuring device (11) comprises a measuring frame (1101), a positioning groove (1102) and an auxiliary area (1103), wherein the measuring frame (1101) is arranged at one end of the outer portion of the measuring device (11), the positioning groove (1102) is installed at one end of the outer portion of the measuring frame (1101), and the auxiliary area (1103) is arranged outside the positioning groove (1102).

8. A three-way valve leak-proof detection device with limit capability according to claim 7, wherein: the measuring device (11) is fixedly connected with the measuring frame (1101), the measuring frame (1101) and the positioning groove (1102) are located on horizontal lines with different heights, and the thread structure inside the positioning groove (1102) is matched with the thread structure inside the detecting piece (1).

9. A three-way valve leak-proof detection device with limit capability according to claim 1, wherein: the water pump (21) is communicated with the connecting pipe body (20), the outer cover (15) and the fixed adapter tube (17) are communicated, and the fixed adapter tube (17) is spirally distributed in the outer cover (15).

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