CN217059187U

CN217059187U - Low pressure valve welding detection device

Info

Publication number: CN217059187U
Application number: CN202220576662.3U
Authority: CN
Inventors: 石春炳; 薛道应; 姚志祥
Original assignee: Anhui Baolihua Machinery Equipment Co ltd
Current assignee: Anhui Baolihua Machinery Equipment Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-07-26
Anticipated expiration: 2032-03-16

Abstract

The utility model belongs to the technical field of the low-pressure valve detects, especially, be a low-pressure valve welding detection device, including drain pan, top shell and nitrogen gas leak detector, the upper portion of drain pan is provided with the complex top shell with it, and fixedly connected with nitrogen gas leak detector on the top shell is provided with first sealed the pad on fixed connection's the first baffle in the inside cavity of drain pan, is provided with the sealed pad of second on fixed connection's the second baffle in the inside cavity of top shell, and the sealed pad of first sealed pad and second is sealed to mutually support and constitutes the shutoff sealing washer. The utility model discloses a mutually support between drain pan and the top shell the two and link together and constitute the box body that is used for detecting the low pressure valve, carry out effectual detection to the low pressure valve, adopt the low pressure valve to let in the mode of nitrogen gas when detecting and detect, whether nitrogen gas leak detection appearance can accurate monitoring low pressure valve lets in nitrogen gas and can produce the leakage, whether qualified through the result of whether leaking gas judges welding position department, and the accuracy of detection is high, and is fast.

Description

Low pressure valve welding detection device

Technical Field

The utility model relates to a low-pressure valve detects technical field, specifically is a low-pressure valve welding detection device.

Background

The valve is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, has the functions of diversion, stopping, throttling, non-return, diversion or overflow pressure relief and the like, and is divided into a high-pressure valve and a low-pressure valve. The production of the low-pressure valve adopts a welding procedure, the welding requirement of the low-pressure valve is extremely strict, no gap of a wire is generated, otherwise, once leakage accidents occur in the using process, irrecoverable loss is caused, and therefore, detection work is necessary after welding is completed to ensure the product quality and the use safety.

In case of an authorized: a low pressure valve welding detection device, publication No.: CN209894404U, published date: 2020-01-03 in the utility model, it leads to water to be connected to the pipeline with the low-pressure valve, whether judge through the low-pressure valve outside infiltration whether the welding is qualified, this kind of method adopts the naked eye to judge, and the inefficiency that detects, the precision is inserted, is not convenient for quick detection.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a low pressure valve welding detection device has solved and has adopted the naked eye to judge, and the inefficiency that detects, the precision is inserted, is not convenient for carry out the problem that detects fast.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a low pressure valve welding detection device, includes drain pan, top shell and nitrogen gas leak detection appearance, the upper portion of drain pan is provided with complex top shell with it, and fixedly connected with nitrogen gas leak detection appearance on the top shell to be provided with first sealed pad on fixed connection's the first baffle in the inside cavity of drain pan, be provided with the sealed pad of second on fixed connection's the second baffle in the inside cavity of top shell, and the sealed pad of first sealed pad and second mutually supports and constitutes the shutoff sealing washer.

Further, the cooperation of the second epitaxial plate that sets up on the first epitaxial plate that sets up on the drain pan and the top shell sets up, and rotates through the pivot on the second epitaxial plate and be connected with the coupling hook to set up the groove of hanging that cooperates the coupling hook on the first epitaxial plate, the both sides of drain pan all are provided with the pipeline seat, and are connected with first gas-supply pipe and second gas-supply pipe on the pipeline seat respectively to set up the spread groove of cooperation pipeline seat on the top shell, the butt position department of drain pan and top shell is provided with seal ring, and sets up the bleeder vent all around the position department of installation nitrogen gas leakage detector on the top shell, and the inside second baffle of top shell and the inside first baffle one-to-one setting of drain pan.

Furthermore, a first inserting groove matched with the first partition plate is formed in the first sealing gasket, a second inserting groove matched with the second partition plate is formed in the second sealing gasket, and a first deformation cavity and a second deformation cavity are formed in the first sealing gasket and the second sealing gasket respectively.

(III) advantageous effects

Compared with the prior art, the utility model provides a low pressure valve welding detection device possesses following beneficial effect:

the utility model discloses, link together through mutually supporting between drain pan and the top shell the two and constitute the box body that is used for detecting the low pressure valve, carry out effectual detection to the low pressure valve, adopt the low pressure valve to let in the mode of nitrogen gas when detecting and detect, whether nitrogen gas leak testing appearance can be accurate monitoring low pressure valve let in nitrogen gas and can produce the leakage, whether the result through whether leaking gas judges welding position department qualified, the accuracy of detection is high, and is fast.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the internal structure of the middle bottom case of the present invention;

FIG. 3 is a schematic view of the internal structure of the middle top case of the present invention;

FIG. 4 is a schematic view of the connection between the first gasket and the second gasket of the present invention;

fig. 5 is a sectional view of the connection state of the first gasket and the second gasket of the present invention.

In the figure: 1. a bottom case; 101. a first epitaxial plate; 1011. a hanging groove; 102. a pipe seat; 103. a first separator; 104. a first gasket; 1041. a first insertion groove; 1042. a first deformation chamber; 2. a top shell; 201. a second epitaxial plate; 2011. connecting a hook; 202. connecting grooves; 203. a second separator; 204. a second gasket; 2041. a first insertion groove; 2042. a first deformation chamber; 205. air holes are formed; 3. a nitrogen leakage detector; 4. a first gas pipe; 5. a second air delivery conduit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

As shown in fig. 1, fig. 2 and fig. 3, an embodiment of the present invention provides: a low-pressure valve welding detection device comprises a bottom shell 1, a top shell 2 and a nitrogen leakage detector 3, wherein the top shell 2 matched with the bottom shell is arranged at the upper part of the bottom shell 1, the top shell and the bottom shell are mutually matched and connected to form a box body for detecting a low-pressure valve, the low-pressure valve is effectively detected, the nitrogen leakage detector 3 is fixedly connected onto the top shell 2 and is used for monitoring whether the low-pressure valve leaks when nitrogen is introduced, whether the welding position is qualified or not is judged according to the result of whether the low-pressure valve leaks gas or not, meanwhile, the detection accuracy is high, the speed is high, the efficiency is high, a first sealing gasket 104 is arranged on a first partition plate 103 fixedly connected into a cavity in the bottom shell 1, a second sealing gasket 204 is arranged on a second partition plate 203 fixedly connected into the cavity in the top shell 2, and the first sealing gasket 104 and the second sealing gasket 204 are mutually matched to form a sealing gasket, the connecting device is used for stably abutting against the outer wall of one end of a low-pressure valve to realize effective sealing connection at a connecting part and ensure that the connecting device can be stably communicated with a first gas pipe 4 and a second gas pipe 5 at two ends of a detection box body so as to detect whether the welding part of the low-pressure valve is qualified or not by subsequently conveying nitrogen gas, a first epitaxial plate 101 arranged on a bottom shell 1 and a second epitaxial plate 201 arranged on a top shell 2 are arranged in a matching way, a connecting hook 2011 is rotatably connected on the second epitaxial plate 201 through a rotating shaft, a hanging groove 1011 matched and connected with the hook 2011 is formed on the first epitaxial plate 101, the connecting hook 2011 on the second epitaxial plate 201 is matched with a hanging groove 1011 on the first epitaxial plate 101 to stably connect the bottom shell 1 and the top shell 2 together, pipe bases 102 are arranged on two sides of the bottom shell 1, and the pipe bases 102 are respectively connected with the first gas pipe 4 and the second gas pipe 5, connect the installation convenient to gas transmission pipeline is stable, and set up the spread groove 202 of cooperation pipeline seat 102 on the top shell 2, the butt position department of drain pan 1 and top shell 2 is provided with seal ring, ensure that drain pan 1 and top shell 2 stabilize sealing connection and be in the same place, and install nitrogen gas leak detector 3's position department on the top shell 2 and seted up bleeder vent 205 all around, be convenient for real-time detection low-pressure valve whether can leak nitrogen gas, bleeder vent 205 can balance the peripheral atmospheric pressure of low-pressure valve, promote the accuracy nature that detects, and the inside second baffle 203 of top shell 2 and the inside first baffle 103 one-to-one setting of drain pan 1, a flange port and the middle part that are used for separating the low-pressure valve both ends, thereby the convenience detects it.

As shown in fig. 4 and 5, in some embodiments, a first insertion groove 1041 matching with the first partition plate 103 is provided on the first sealing gasket 104, so that the first sealing gasket 104 is stably connected to the first partition plate 103, and is convenient to rapidly disassemble, assemble and replace, the first sealing gaskets 104 with different sizes are replaced for low-pressure valves with different sizes, so as to improve convenience of use, a second insertion groove 2041 matching with the second partition plate 203 is provided on the second sealing gasket 204, so that the second sealing gasket 204 is stably connected to the second partition plate 203, so as to rapidly disassemble, assemble and replace, the second sealing gasket 204 with different sizes is replaced for low-pressure valves with different sizes, and a first deformation cavity 1042 and a second deformation cavity 2042 are respectively provided on the first sealing gasket 104 and the second sealing gasket 204, so that one end of the low-pressure valve is sealed inside the bottom case 1 and the top case 2 by the first partition plate 103 and the second partition plate 203, and the sealing gasket is sealed by the first sealing gasket 104 and the second sealing gasket 204 In the cavity that leaves, realize that this end can feed through with first gas-supply pipe 4 or second gas-supply pipe 5, realize nitrogen gas's stable transport, the first deformation chamber 1042 and the second deformation chamber 2042 that set up simultaneously are convenient for when the sealed outside casing of low pressure valve of contradicting of first sealed pad 104 and second 204, produce slight deformation, better link together with the shell of valve body, promote the leakproofness at connection position, ensure that this position can not produce gaseous leakage.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a low pressure valve welding detection device, includes drain pan (1), top shell (2) and nitrogen gas leak testing appearance (3), its characterized in that: the upper portion of drain pan (1) is provided with complex top shell (2) with it, and fixedly connected with nitrogen gas leak detector (3) on top shell (2) to be provided with first sealed pad (104) on fixed connection's first baffle (103) in the inside cavity of drain pan (1), be provided with the sealed pad of second (204) on fixed connection's second baffle (203) in the inside cavity of top shell (2), and first sealed pad (104) and the sealed pad of second (204) of second mutually support and constitute the shutoff sealing washer.

2. The low pressure valve weld detection device of claim 1, wherein: second epitaxial plate (201) cooperation setting that sets up on first epitaxial plate (101) that set up on drain pan (1) and top shell (2), and rotate through the pivot on second epitaxial plate (201) and be connected with couple (2011) to set up the groove (1011) that articulates of cooperation couple (2011) on first epitaxial plate (101).

3. A low pressure valve weld detection device as claimed in claim 2, wherein: both sides of drain pan (1) all are provided with pipeline seat (102), and are connected with first gas-supply pipe (4) and second gas-supply pipe (5) on pipeline seat (102) respectively to set up spread groove (202) of cooperation pipeline seat (102) on top shell (2).

4. A low pressure valve weld detection device as claimed in claim 3, wherein: a sealing gasket is arranged at the abutting position of the bottom shell (1) and the top shell (2), air holes (205) are formed in the position, where the nitrogen leakage detector (3) is installed, of the top shell (2) in a surrounding mode, and the second partition plate (203) inside the top shell (2) and the first partition plate (103) inside the bottom shell (1) are arranged in a one-to-one correspondence mode.

5. A low pressure valve weld detection device as defined in claim 1, wherein: the first sealing gasket (104) is provided with a first inserting groove (1041) matched with the first partition plate (103), the second sealing gasket (204) is provided with a second inserting groove (2041) matched with the second partition plate (203), and the first sealing gasket (104) and the second sealing gasket (204) are respectively provided with a first deformation cavity (1042) and a second deformation cavity (2042).