Multifunctional testing device for three-way valve

Abstract

The utility model discloses a multifunctional testing device for a three-way valve, which comprises a detection station matched with the three-way valve, an upper plugging air cylinder, a left plugging air cylinder and a right plugging air cylinder which are used for plugging three ports of the three-way valve are respectively arranged above, on the left side and on the right side of the detection station, and a detection rod is arranged below the detection station. The top of the detection rod is provided with a sealing plug matched with a connecting port of the three-way valve, a detection gas circuit is arranged in a rod part of the detection rod, drawing clamping jaws are arranged on the two sides of the rod part of the detection rod in a telescopic mode, the bottom of the detection rod is fixedly connected with a detection cylinder, and the detection cylinder drives the detection rod to move so that the sealing plug can be inserted into the connecting port. Meanwhile, the drawing clamping jaw is connected with the isolating ring in the connecting port in a clamping mode, and drawing detection is carried out. According to the scheme, the drawing clamping jaws are arranged on the two sides of the rod part, so that the drawing clamping jaws and the detection rod can share one detection air cylinder to complete a leakage test and a drawing test through one-time reciprocating motion, the detection efficiency is improved to the maximum extent, and the detection rhythm is optimized to the maximum extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to three -way valve detection device technical field, specifically to a kind of multifunctional testing device for three -way valve. BACKGROUND

[0002] Three-way valve is the control component in fluid conveying system, with cutoff, regulation, diversion, prevent backflow, pressure stabilization, shunt or overflow function, three-way valve can be used to control air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive medium and the flow of various types of fluid, in the production process of three-way valve, its sealing performance needs to be detected, guarantee the quality of three-way valve.

[0003] Three-way valve is assembled by multiple components, for example dust cap, check ring, sealing ring, spring, isolating ring, etc., wherein three-way valve needs to detect the presence of isolating ring before leaving factory, in addition to leakage test, and multiple detection tests will lead to the slow of production rhythm. Therefore, how to improve the efficiency of three-way valve detection link is the problem that needs to be solved urgently at present. SUMMARY

[0004] The utility model aims at overcoming the deficiencies of prior art, provide a kind of multifunctional testing device for three -way valve.

[0005] The utility model discloses a kind of multifunctional testing devices for three -way valve, which are described as follows.

[0006] Multifunctional testing device for three -way valve, including the detection station matched with three -way valve, the upper side of the detection station, left and right sides are respectively provided with the upper plugging cylinder, left plugging cylinder and right plugging cylinder for plugging the three ports of the three -way valve, the lower side of the detection station is provided with detection rod, the top of the detection rod has the sealing plug matched with the connecting port of the three -way valve, the rod portion of the detection rod is built-in detection gas path, the rod portion of the detection rod is provided with pullable clamping jaw telescopically, the bottom of the detection rod is fixedly connected with detection cylinder, the detection cylinder drives the detection rod to move, so that the sealing plug is inserted into connecting port, to connect the detection gas path and carry out leakage test, while the pullable clamping jaw is clamped with the isolating ring in the connecting port, and pull detection is carried out.

[0007] Preferably, it further includes a door panel, the detection station is provided with a loading platform, the loading platform is provided with a through hole matched with the connecting port, the connecting port is embedded in the through hole, and the detection rod is arranged below the loading platform and is connected with the connecting port by vertical movement.

[0008] Preferably, a plurality of sealing rings are arranged on the outer wall of the sealing plug to form a plurality of sealing layers.

[0009] Preferably, the detection gas path comprises an air inlet pipe and an air outlet pipe, and the air inlet pipe and the air outlet pipe are respectively provided with an air inlet and an air outlet on the outer wall of the detection rod.

[0010] Preferably, the bottom of the detection rod is fixed on a connecting block, the connecting block is slidably arranged on the door plate through a wire slide rail, and the bottom of the connecting block is floatingly connected with the cylinder head of the detection cylinder.

[0011] Preferably, the rod portion of the detection rod is provided with grooves on both sides, two pull clamps are respectively embedded in the grooves, the top of the pull clamp is hook-shaped, an opening and closing cylinder is arranged on the connecting block, the two pull clamps are arranged on both sides of the opening and closing cylinder, and the opening and closing cylinder controls the relative movement of the two pull clamps to open and close.

[0012] Preferably, a buffer is arranged on one side of the connecting block, and the buffer penetrates a connecting hole arranged on the door plate.

[0013] Preferably, the upper sealing cylinder and the left sealing cylinder are arranged on the front side of the door plate and respectively move relative to the upper side and the left side of the carrier, the cylinder head of the upper sealing cylinder and the left sealing cylinder is floatingly connected with a sealing plate, the right sealing cylinder is arranged on the rear side of the door plate, an opening is arranged on the door plate, and the cylinder head of the right sealing cylinder is floatingly connected with a sealing plate through the opening.

[0014] Preferably, a diffuse reflection sensor is arranged on the door plate, and the diffuse reflection sensor faces the detection station to detect the three-way valve.

[0015] Preferably, the utility model also comprises a leakage tester and a leakage test gas block, and the leakage tester is connected with the detection gas path through an inspection circuit.

[0016] The beneficial effects of the utility model mainly reflect in:

[0017] 1. The detection gas path is arranged in the center of the rod portion of the detection rod to perform leakage test, and the pull clamps are arranged on both sides of the rod portion, so that the pull clamps and the detection rod can share one detection cylinder to complete the leakage test and the pull test through one-time reciprocating movement, thereby maximizing the detection efficiency and optimizing the detection rhythm, and the detection components can be reduced and the equipment size can be reduced.

[0018] 2. The hook-shaped isolation ring of the pull clamp can limit the position of the detection rod when the pull clamp performs pull test, thereby limiting the position of the sealing plug, to ensure the sealing stability of the sealing plug in the leakage test, and to assist the effective performance of the leakage test. DRAWINGS

[0019] The technical scheme of the utility model will be further described below with reference to the drawings:

[0020] Figure 1 The schematic view of the embodiment of the utility model;

[0021] Figure 2 The side view of the embodiment of the utility model;

[0022] Figure 3 The sectional view of the embodiment of the utility model;

[0023] Figure 4 : Figure 3 The enlarged schematic view of the A part of the middle part;

[0024] Figure 5 The schematic view of the detection rod in the embodiment of the utility model. DETAILED DESCRIPTION

[0025] The utility model will be described in detail below with reference to the specific implementation manners shown in the drawings. However, these implementation manners are not limited to the utility model, and the changes in structure, method or function made by the ordinary skilled in the art according to these implementation manners are all included in the protection scope of the utility model.

[0026] In the description of the scheme, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of description and simplification of the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Moreover, in the description of the scheme, the operator is taken as the reference, the direction close to the operator is the proximal end, and the direction away from the operator is the distal end.

[0027] As Figures 1 to 5The utility model discloses a kind of multifunctional testing devices for three-way valve, including the detection station matched with three-way valve 100, the upper side of the detection station, left and right sides are respectively provided with upper plugging cylinder 2, left plugging cylinder 3 and right plugging cylinder 4 for plugging the three ports of three-way valve 100, detection rod 5 is provided below the detection station, the top of the detection rod 5 has sealing plug 501 matched with the connecting port 101 of three-way valve 100, detection gas path 502 is built-in in the rod portion of the detection rod 5, pull clamping jaw 6 is telescopically arranged on the both sides of the rod portion of the detection rod 5, detection cylinder 11 is fixedly connected to the bottom of the detection rod 5, the detection cylinder 11 drives the detection rod 5 to move, to make sealing plug 501 insert into connecting port 101, to communicate detection gas path 502 and carry out leakage test, while pull clamping jaw 6 and isolation ring 102 in connecting port 101 are clamped, and pull test is carried out.

[0028] The utility model discloses a kind of multifunctional testing devices for three-way valve, including the detection station matched with three-way valve 100, the upper side of the detection station, left and right sides are respectively provided with upper plugging cylinder 2, left plugging cylinder 3 and right plugging cylinder 4 for plugging the three ports of three-way valve 100, detection rod 5 is provided below the detection station, the top of the detection rod 5 has sealing plug 501 matched with the connecting port 101 of three-way valve 100, detection gas path 502 is built-in in the rod portion of the detection rod 5, pull clamping jaw 6 is telescopically arranged on the both sides of the rod portion of the detection rod 5, detection cylinder 11 is fixedly connected to the bottom of the detection rod 5, the detection cylinder 11 drives the detection rod 5 to move, to make sealing plug 501 insert into connecting port 101, to communicate detection gas path 502 and carry out leakage test, while pull clamping jaw 6 and isolation ring 102 in connecting port 101 are clamped, and pull test is carried out.

[0029] Specifically, the device further includes a door plate 7, the detection station is provided with a loading platform 701, the loading platform 701 is provided with a through hole 702 matched with the connecting port 101 to define the placement position of the three-way valve 100, so that the connecting port 101 is embedded in the through hole 702, and the detection rod 5 is arranged below the loading platform 701 and is connected to the connecting port 101 by vertical movement.

[0030] To ensure the sealing effect of the sealing plug 501, a group of sealing rings 503 are arranged on the outer wall of the sealing plug 501 to form multiple sealing layers. The sealing plug 501 can also be a separate component built-in in the three-way valve 100, the top of the detection rod 5 is matched with the sealing plug 501, so that the plug-in is sealed and connected with the sealing plug 501.

[0031] The detection gas path 502 includes an air inlet pipe 5021 and an air outlet pipe 5022, and the air inlet pipe 5021 and the air outlet pipe 5022 are respectively formed with an air inlet 5023 and an air outlet 5024 on the outer wall of the detection rod 5 to facilitate the connection of the detection circuit for leakage test.

[0032] The bottom of the detection rod 5 is fixed on the connecting block 504. The connecting block 504 is slidably mounted on the door panel 7 via the wire guide rail 505. The bottom of the connecting block 504 is floatingly connected to the cylinder head of the detection cylinder 11, so that the detection cylinder 11 can drive the detection rod 5 to move so that the sealing plug 501 extends into the connection port 101 for sealing.

[0033] like Figure 5 As shown, the detection rod 5 has grooves 506 on both sides of its rod portion. Two pull-out claws 6 are respectively embedded in one of the grooves 506. The top of each pull-out claw 6 is hook-shaped. An opening / closing cylinder 507 is provided on the connecting block 504. The two pull-out claws 6 are respectively positioned on both sides of the opening / closing cylinder 507 and are controlled by the cylinder to move relative to each other for opening and closing. The grooves 506 provide a retraction space for the pull-out claws 6, allowing them to retract into the connecting port 101. The opening / closing cylinder 507 drives the pull-out claws 6 to open, so that their hook-shaped tops hook onto the isolation ring in the connecting port 101 for pull-out testing. Simultaneously, after the pull-out claws 6 pull the isolation ring, they limit the position of the detection rod 5, thereby limiting the position of the sealing plug 501, ensuring the sealing stability of the sealing plug 501 during leakage testing and assisting in the effective conduct of the leakage test.

[0034] Furthermore, a buffer 508 is provided on one side of the connecting block 504. The buffer 508 is disposed on the door panel 7 to avoid hard contact during the process of the detection cylinder 11 driving the detection rod 5 to move.

[0035] To save space, the upper sealing cylinder 2 and the left sealing cylinder 3 are both located on the front side of the door panel 7 and move relative to the upper and left sides of the platform 701, respectively. The cylinder heads of the upper sealing cylinder 2 and the left sealing cylinder 3 are floatingly connected to the sealing plate 8. The right sealing cylinder 4 is located on the rear side of the door panel 7. The door panel 7 has an opening 704, and the cylinder head of the right sealing cylinder 4 passes through the opening 704 and is floatingly connected to the sealing plate 8.

[0036] A diffuse reflection sensor 9 is provided on the door panel 7. The diffuse reflection sensor 9 is directly opposite the detection station to detect the three-way valve 100, thereby detecting whether the three-way valve 100 is placed or not.

[0037] In addition, it includes a leak tester (not shown in the figure) and a leak test gas distribution block 10. The leak tester is connected to the detection gas path 502 through a check circuit (not shown in the figure) to perform leak tests.

[0038] It should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

[0039] The above series of detailed descriptions are only specific descriptions of the feasible embodiments of the present application, and are not intended to limit the protection scope of the present application. Any equivalent embodiments or changes made without departing from the spirit of the present application should be included in the protection scope of the present application.

Claims

1. A multi-functional testing device for three-way valves, characterized in that: The system includes a testing station that matches the three-way valve (100). Above the testing station and on the left and right sides, there are upper sealing cylinders (2), left sealing cylinders (3), and right sealing cylinders (4) for sealing the three ports of the three-way valve (100), respectively. Below the testing station, there is a testing rod (5). The top of the testing rod (5) has a sealing plug (501) that matches the connection port (101) of the three-way valve (100). The rod of the testing rod (5) has a built-in testing air passage. (502) Pull-out grippers (6) are telescopically provided on both sides of the rod of the detection rod (5). A detection cylinder (11) is fixedly connected to the bottom of the detection rod (5). The detection cylinder (11) drives the detection rod (5) to move so that the sealing plug (501) is inserted into the connection port (101) to connect the detection air path (502) for leakage testing. At the same time, the pull-out grippers (6) engage with the isolation ring (102) in the connection port (101) for pull-out testing.

2. The multifunctional testing device for a three-way valve according to claim 1, characterized in that: It also includes a door panel (7), the testing station is provided with a platform (701), the platform (701) is provided with a through hole (702) that matches the connection port (101), the connection port (101) is embedded in the through hole (702), and the testing rod (5) is located below the platform (701) and docks with the connection port (101) by vertical movement.

3. The multifunctional testing device for a three-way valve according to claim 2, characterized in that: A set of sealing rings (503) is provided on the outer wall of the sealing plug (501) to form a multi-level sealing layer.

4. The multifunctional testing device for a three-way valve according to claim 3, characterized in that: The detection air path (502) includes an air inlet pipe (5021) and an air outlet pipe (5022), and the air inlet pipe (5021) and the air outlet pipe (5022) respectively form an air inlet (5023) and an air outlet (5024) on the outer wall of the detection rod (5).

5. The multifunctional testing device for a three-way valve according to claim 4, characterized in that: The bottom of the detection rod (5) is fixed on the connecting block (504), and the connecting block (504) is slidably set on the door panel (7) through the wire slide rail (505). The bottom of the connecting block (504) is floatingly connected to the cylinder head of the detection cylinder (11).

6. The multifunctional testing device for a three-way valve according to claim 5, characterized in that: The detection rod (5) has grooves (506) on both sides of its rod portion. Two pull-out claws (6) are respectively embedded in one of the grooves (506). The top of the pull-out claws (6) is hook-shaped. An opening and closing cylinder (507) is provided on the connecting block (504). The two pull-out claws (6) are respectively located on both sides of the opening and closing cylinder (507) and are controlled by the opening and closing cylinder (507) to move relative to each other to open and close.

7. The multifunctional testing device for a three-way valve according to claim 6, characterized in that: A buffer (508) is provided on one side of the connecting block (504), and the buffer (508) passes through the connecting hole (703) provided on the door panel (7).

8. The multifunctional testing device for a three-way valve according to claim 5, characterized in that: The upper sealing cylinder (2) and the left sealing cylinder (3) are both located on the front side of the door panel (7) and move relative to the upper and left sides of the platform (701) respectively. The cylinder heads of the upper sealing cylinder (2) and the left sealing cylinder (3) are floatingly connected to the sealing plate (8). The right sealing cylinder (4) is located on the rear side of the door panel (7). The door panel (7) has an opening (704). The cylinder head of the right sealing cylinder (4) passes through the opening (704) and is floatingly connected to the sealing plate (8).

9. The multifunctional testing device for a three-way valve according to claim 8, characterized in that: A diffuse reflection sensor (9) is provided on the door panel (7), and the diffuse reflection sensor (9) is directly opposite the detection station to detect the three-way valve (100).

10. The multifunctional testing device for a three-way valve according to claim 9, characterized in that: It also includes a leak tester and a leak test gas distribution block (10), wherein the leak tester is connected to the detection gas path (502) through a test circuit.

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