CN215262281U

CN215262281U - Air tightness detection device for valve

Info

Publication number: CN215262281U
Application number: CN202023323490.9U
Authority: CN
Inventors: 王小龙
Original assignee: Seiko Weiye Valve Group Co ltd
Current assignee: Seiko Weiye Valve Group Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-12-21
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to an air tightness detection device for a valve, which comprises a detection table, wherein the top surface of the detection table is provided with a detection groove; a clamping mechanism is arranged in the detection groove and comprises an air cylinder, a first clamping plate, a second clamping plate and a movable block; an inflation channel with good tightness is arranged in the first clamping plate; a helium tank and a helium detector are respectively arranged on one side of the top surface of the detection table, which is far away from the detection groove; and the air outlet end of the helium tank is hermetically communicated with the air inlet port through a flexible air conveying pipe. The valve to be detected is stably clamped in the detection groove on the top surface of the detection table through the clamping mechanism, helium is flushed to the inner cavity of the valve through the gas filling channel by matching with the helium tank through the gas conveying pipe, and then the valve is moved to the outer surface of the valve through the micro-induction end head of the handheld helium detector, so that the airtightness detection of the valve can be finished intuitively through the numerical value on the data table; the detection device has the advantages of simple and reasonable structure, convenient operation and high detection precision.

Description

Air tightness detection device for valve

Technical Field

The utility model relates to an air tightness detection device technical field especially relates to an air tightness detection device for valve.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve 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.

The valve is in the in-process of production, need detect the gas tightness of valve, and general valve detection device is plugged up the kneck of valve through the device and then soaks the valve in the aquatic, whether bubble detects the valve and leaks through observing whether aquatic, often is difficult to find out aquatic production bubble when leaking a small amount of gas, and its detection intuition still remains to be improved, and the lower easy misleading testing result of accuracy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a gas tightness detection device for valve.

The utility model discloses a realize through following technical scheme: the air tightness detection device for the valve comprises a detection table, wherein a detection groove with an opening at the top is formed in the top surface of the detection table; a clamping mechanism is arranged in the detection groove and comprises an air cylinder, a first clamping plate, a second clamping plate and a movable block; the cylinder is fixedly connected to the middle of the inner wall of the right side of the detection groove, the tail end of a piston column of the cylinder is fixedly connected to the right side face of the first clamping plate, the movable block can be in sliding abutting connection with the inner wall of the left side of the detection groove, and the middle of the right side face of the movable block is fixedly connected to the left side face of the second clamping plate; an inflation channel with good tightness is arranged in the first clamping plate, an air inlet port of the inflation channel is arranged on the top surface of the first clamping plate, and an air outlet port of the inflation channel is arranged at the center of the left side surface of the first clamping plate; a helium tank and a helium detector are respectively arranged on one side of the top surface of the detection table, which is far away from the detection groove; the air outlet end of the helium tank is hermetically communicated with the air inlet port through a flexible air conveying pipe; the helium detector comprises a data table, a micro-induction end head and a connecting line for connecting the data table and the micro-induction end head.

According to the above technical solution, preferably, a movable plate is fixedly connected to the top surface of the movable block, the upper and lower ends of the movable plate are respectively lapped on the top surface of the detection table, and the movable plate can reciprocate on the top surface of the detection table relative to the detection groove; the upper end and the lower end of the movable plate are respectively provided with a first through hole, the upper end and the lower end of the top surface of the detection platform are respectively provided with a plurality of groups of second through holes matched with the first through holes, and a pluggable pin shaft is arranged through the first through holes and the second through holes.

According to the above technical solution, preferably, sealing gaskets are respectively disposed on the opposite surfaces of the first clamping plate and the second clamping plate.

The utility model has the advantages that: the valve to be detected is stably clamped in the detection groove on the top surface of the detection table through the clamping mechanism, helium is flushed to the inner cavity of the valve through the gas filling channel by matching with the helium tank through the gas conveying pipe, and then the valve is moved to the outer surface of the valve through the micro-induction end head of the handheld helium detector, so that the airtightness detection of the valve can be finished intuitively through the numerical value on the data table; the detection device has the advantages of simple and reasonable structure, convenient operation and high detection precision.

Drawings

Fig. 1 shows a schematic front view structure diagram of an embodiment of the present invention.

In the figure: 1. a detection table; 2. a detection tank; 3. a cylinder; 4. a first splint; 5. a second splint; 6. a movable block; 7. an air inlet port; 8. an air outlet port; 9. a helium tank; 10. a helium gas detector; 101. a data table; 102. a micro-induction end; 103. a connecting wire; 11. a movable plate; 12. a first through hole; 13. a second through hole; 14. a pin shaft; 15. a sealing gasket; 16. a gas delivery pipe.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1, the air tightness detecting device for the valve of the present invention comprises a detecting table 1, wherein a detecting groove 2 with an open top is formed on the top surface of the detecting table 1; a clamping mechanism is arranged in the detection groove 2 and comprises an air cylinder 3, a first clamping plate 4, a second clamping plate 5 and a movable block 6; the cylinder 3 is fixedly connected to the middle of the inner wall of the right side of the detection groove 2, the tail end of a piston column of the cylinder 3 is fixedly connected to the right side face of the first clamping plate 4, the movable block 6 is in slidable abutting connection with the inner wall of the left side of the detection groove 2, and the middle of the right side face of the movable block 6 is fixedly connected to the left side face of the second clamping plate 5; an inflation channel with good tightness is arranged in the first clamping plate 4, an air inlet port 7 of the inflation channel is arranged on the top surface of the first clamping plate 4, and an air outlet port 8 of the inflation channel is arranged at the center of the left side surface of the first clamping plate 4; a helium tank 9 and a helium detector 10 are respectively arranged on one side of the top surface of the detection table 1, which is far away from the detection groove 2; the air outlet end of the helium tank 9 is hermetically communicated with the air inlet port 7 through a flexible air conveying pipe 16; the helium detector 10 comprises a data table 101, a micro induction head 102 and a connecting line 103 for connecting the micro induction head and the micro induction head; further effectively improve valve gas tightness detection quality. Helium is the most difficult of all gases to liquefy and is the only substance that cannot solidify at standard atmospheric pressure. Helium is chemically very inert and generally does not react easily with other substances.

The working principle is as follows: the valve that will wait to detect is placed in the detection groove 2 that detects 1 top surface of test table, one side port butt of valve is on the left surface of first splint 4, the left surface butt of activity piece 6 is on the left side inner wall that detects groove 2 with the trend, the piston post of rethread cylinder 3 is adjusted, make the left surface butt of second splint 5 on the opposite side port of valve, continuously extrude to certain degree in order to ensure the leakproofness under the condition that does not damage the part, then cooperate the gas-supply pipe 16 of helium gas pitcher 9 to rush the valve inner chamber with helium gas through inflation channel, the trace response end 102 of rethread handheld helium gas detector 10 removes the surface to the valve, can audio-visually accomplish the gas tightness detection of valve through the numerical value size on the data table 101.

According to the above technical solution, preferably, a movable plate 11 is fixedly connected to the top surface of the movable block 6, the upper end and the lower end of the movable plate 11 are respectively lapped on the top surface of the detection platform 1, and the movable plate 11 can reciprocate relative to the detection slot 2 on the top surface of the detection platform 1; the upper end and the lower end of the movable plate 11 are respectively provided with a first through hole 12, the upper end and the lower end of the top surface of the detection platform 1 are respectively provided with a plurality of groups of second through holes 13 matched with the first through holes 12, and a pluggable pin shaft 14 penetrates through the first through holes 12 and the second through holes 13; thereby the accessible removes movable plate 11 and moves and change and detect the relative position in groove 2 at detecting 1 top surface of platform, on the one hand with the fixed relative position who spacing is detecting in groove 2 of movable block 6, has also realized the interval between two-way adjustable first splint 4 and the second splint 5 to the valve that adapts to different specification and dimension carries out the gas tightness and detects.

According to the above technical solution, preferably, sealing gaskets 15 are respectively arranged on the opposite surfaces of the first clamping plate 4 and the second clamping plate 5; the inlet and the outlet of the valve to be detected are hermetically connected, and the accuracy of a detection result is further guaranteed.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only 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 "mounted", "connected" and "connected" are to be interpreted broadly, e.g. as a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the utility model can be understood in specific cases to those of ordinary skill in the art.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The air tightness detection device for the valve is characterized by comprising a detection table, wherein a detection groove with an opening at the top is formed in the top surface of the detection table; a clamping mechanism is arranged in the detection groove and comprises an air cylinder, a first clamping plate, a second clamping plate and a movable block; the cylinder is fixedly connected to the middle of the inner wall of the right side of the detection groove, the tail end of a piston column of the cylinder is fixedly connected to the right side face of the first clamping plate, the movable block can be in sliding abutting connection with the inner wall of the left side of the detection groove, and the middle of the right side face of the movable block is fixedly connected to the left side face of the second clamping plate; an inflation channel with good tightness is arranged in the first clamping plate, an air inlet port of the inflation channel is arranged on the top surface of the first clamping plate, and an air outlet port of the inflation channel is arranged at the center of the left side surface of the first clamping plate; a helium tank and a helium detector are respectively arranged on one side of the top surface of the detection table, which is far away from the detection groove; the air outlet end of the helium tank is hermetically communicated with the air inlet port through a flexible air conveying pipe; the helium detector comprises a data table, a micro-induction end head and a connecting line for connecting the data table and the micro-induction end head.

2. The airtightness detection apparatus for a valve according to claim 1, wherein a movable plate is fixedly connected to a top surface of the movable block, upper and lower ends of the movable plate are respectively overlapped to a top surface of the detection platform, and the movable plate is reciprocally movable on the top surface of the detection platform with respect to the detection groove; the upper end and the lower end of the movable plate are respectively provided with a first through hole, the upper end and the lower end of the top surface of the detection platform are respectively provided with a plurality of groups of second through holes matched with the first through holes, and a pluggable pin shaft is arranged through the first through holes and the second through holes.

3. The airtightness detection apparatus for a valve according to claim 2, wherein the first clamping plate and the second clamping plate are provided with sealing gaskets on opposite surfaces thereof, respectively.