CN217237105U

CN217237105U - Air tightness detection device of valve casting

Info

Publication number: CN217237105U
Application number: CN202220971106.6U
Authority: CN
Inventors: 陈小苏
Original assignee: Qingtian Shuangyuan Valve Co Ltd
Current assignee: Qingtian Shuangyuan Valve Co Ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-08-19
Anticipated expiration: 2032-04-25

Abstract

The utility model discloses an air tightness detection device of a valve casting, which relates to the technical field of valve casting detection equipment and comprises a water storage tank with an open structure, wherein a clamping component is fixedly arranged at the bottom end inside the water storage tank, a detection component is fixedly connected inside the water storage tank, the detection component comprises a valve casting, a first flange plate is connected outside a liquid inlet of the valve casting, a second flange plate is connected outside a liquid outlet of the valve casting, an air inlet pipe is fixedly connected to the side surface of the free end of the first flange plate, a plurality of groups of fastening bolts are used for fixedly connecting the liquid inlet and the liquid outlet of the valve casting with the first flange plate and the second flange plate respectively, a gas path conveying path is formed by the air inlet pipe, the first flange plate, the valve casting, the second flange plate and the gas outlet pipe together, water is injected into the water storage tank, and air is ventilated inside the air inlet pipe, so that whether bubbles are generated inside the water storage tank can be observed, and further realize the detection of the air tightness of the valve casting.

Description

Air tightness detection device of valve casting

Technical Field

The utility model relates to a valve casting check out test set technical field specifically is a gas tightness detection device of valve casting.

Background

At present, after a valve casting is machined, the air tightness of the valve casting needs to be detected, an operator needs to seal a liquid outlet of the valve casting through a sealing plug, then air is pressed in from the liquid inlet of the valve casting, meanwhile, the valve casting is immersed in water to observe whether bubbles are generated, if no bubbles exist, the air tightness of the casting is good, in the detection mode, one end of the valve casting is sealed through the sealing plug by the operator, the fault tolerance is high, the working strength is high, and therefore the air tightness detection device of the valve casting is provided.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a gas tightness detection device of valve foundry goods has solved the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the air tightness detection device for the valve casting comprises a water storage tank with an open structure, wherein a clamping assembly is fixedly mounted at the bottom end inside the water storage tank, and a detection assembly is fixedly connected inside the water storage tank;

the detection assembly comprises a valve casting, wherein a first flange plate is connected to the outside of a liquid inlet of the valve casting, a second flange plate is connected to the outside of a liquid outlet of the valve casting, an air inlet pipe is fixedly connected to the side face of a free end of the first flange plate, an air outlet pipe is fixedly connected to the side face of the free end of the second flange plate, the air inlet pipe and the air outlet pipe penetrate through two sets of side walls of the water storage tank respectively and form sliding connection, and the first flange plate and the second flange plate form fixed connection with the two ends of the valve casting through a plurality of groups of fastening bolts respectively.

As a further technical scheme of the utility model, the free end of intake pipe and outlet duct all extends to the outside of storage water tank, the sealing washer has all been cup jointed to the junction of intake pipe and outlet duct and storage water tank.

As a further technical scheme of the utility model, the centre gripping subassembly includes the base of fixed connection in the inside bottom of storage water tank, the top of base is connected with fixed plate and movable plate, base and fixed plate are fixed connection, the top fixed mounting of base has waterproof cylinder, and the flexible end of waterproof cylinder and the bottom side fixed connection of movable plate.

As a further technical scheme of the utility model, two sets of logical grooves, every group have all been seted up to the side of fixed plate and movable plate the inside in logical groove all rotates and is connected with the gyro wheel.

As a further technical scheme of the utility model, the valve foundry goods is located between fixed plate and the movable plate, and the surface of valve foundry goods laminates with the surface of four group's gyro wheels mutually.

As a further technical scheme of the utility model, the equal fixedly connected with guide block in two sets of side bottoms of movable plate, the recess is all seted up to two sets of sides of base, and is two sets of the outside of guide block all is "L" style of calligraphy structure, and the one end of two sets of guide blocks is located the inside of two sets of recesses respectively, and forms sliding connection.

Advantageous effects

The utility model provides an air tightness detection device of valve casting. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides an air tightness detection device of valve foundry goods, through a plurality of groups fastening bolt, make the inlet and the liquid outlet of valve foundry goods form fixed connection with first ring flange and second ring flange respectively, and then by the intake pipe, first ring flange, valve foundry goods, second ring flange and outlet duct form gas circuit transfer path jointly, at the inside water injection of storage water tank, and ventilate inside at the intake pipe, whether can observe the storage water tank inside and have the bubble to produce, and then realized the detection to valve foundry goods gas tightness.

2. The utility model provides an air tightness detection device of valve foundry goods, through placing the valve foundry goods between first ring flange and second ring flange, and the surface of valve foundry goods laminates with two sets of gyro wheels of fixed plate inside mutually, promotes the movable plate by waterproof cylinder, makes four groups of gyro wheels fix the valve foundry goods in step, utilizes four groups of gyro wheels to realize that the valve foundry goods is original place to rotate, and then can align the bolt hole of valve foundry goods, first ring flange and second ring flange, the installation of a plurality of groups of fastening bolt of being convenient for.

Drawings

Fig. 1 is a schematic structural view of a device for detecting the airtightness of a valve casting;

FIG. 2 is a schematic structural view of a clamping assembly in the airtightness detection apparatus for a valve casting;

fig. 3 is a schematic structural view of a detection assembly in the airtightness detection device for a valve casting.

In the figure: 1. a water storage tank; 2. a clamping assembly; 21. a base; 22. a fixing plate; 23. moving the plate; 24. a through groove; 25. a roller; 26. a waterproof cylinder; 27. a guide block; 28. a groove; 3. a detection component; 31. valve castings; 32. a first flange plate; 33. a second flange plate; 34. an air inlet pipe; 35. an air outlet pipe; 36. and fastening the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 work belong to the protection scope of the present invention.

Referring to fig. 1, the utility model provides a gas tightness detection device technical scheme of valve foundry goods: the utility model provides an air tightness detection device of valve foundry goods, includes the storage water tank 1 of open structure, and the inside bottom fixed mounting of storage water tank 1 has centre gripping subassembly 2, and the inside fixedly connected with detection module 3 of storage water tank 1.

Referring to fig. 3, the detecting component 3 includes a valve casting 31, a first flange 32 is connected to an external liquid inlet of the valve casting 31, a second flange 33 is connected to an external liquid outlet of the valve casting 31, an air inlet pipe 34 is fixedly connected to a side surface of a free end of the first flange 32, an air outlet pipe 35 is fixedly connected to a side surface of a free end of the second flange 33, the air inlet pipe 34 and the air outlet pipe 35 respectively penetrate two sets of side walls of the water storage tank 1 and form a sliding connection, the first flange 32 and the second flange 33 respectively form a fixed connection with two ends of the valve casting 31 through a plurality of sets of fastening bolts 36, free ends of the air inlet pipe 34 and the air outlet pipe 35 both extend to the outside of the water storage tank 1, and sealing rings are sleeved at joints of the air inlet pipe 34, the air outlet pipe 35 and the water storage tank 1.

In practical use, the detection assembly 3 connects the free ends of the air inlet pipe 34 and the air outlet pipe 35 with external equipment, and the liquid inlet and the liquid outlet of the valve casting 31 are respectively fixedly connected with the first flange 32 and the second flange 33 through a plurality of groups of fastening bolts 36, so that the air inlet pipe 34 is ventilated, and the air inlet pipe 34, the first flange 32, the valve casting 31, the second flange 33 and the air outlet pipe 35 jointly form an air path conveying path.

Referring to fig. 2, the clamping assembly 2 includes a base 21 fixedly connected to the bottom end inside the water storage tank 1, the top end of the base 21 is connected to a fixed plate 22 and a movable plate 23, the base 21 and the fixed plate 22 are fixedly connected, a waterproof cylinder 26 is fixedly mounted on the top end of the base 21, the telescopic end of the waterproof cylinder 26 is fixedly connected to the bottom side of the movable plate 23, two groups of through slots 24 are respectively formed on the sides of the fixed plate 22 and the movable plate 23, rollers 25 are rotatably connected to the inside of each group of through slots 24, a valve casting 31 is located between the fixed plate 22 and the movable plate 23, the outer surface of the valve casting 31 is attached to the outer surfaces of the four groups of rollers 25, guide blocks 27 are respectively fixedly connected to the bottoms of two groups of sides of the movable plate 23, grooves 28 are respectively formed on two groups of sides of the base 21, the outer portions of the two groups of guide blocks 27 are both in an "L" shape, and one end of each of the two groups of guide blocks 27 is located inside each group of the corresponding groove 28, and form a sliding connection.

In practical use, the clamping assembly 2 attaches the outer surface of the valve casting 31 to the two sets of rollers 25 inside the fixed plate 22, the waterproof cylinder 26 pushes the moving plate 23, the four sets of rollers 25 synchronously fix the valve casting 31, and the four sets of rollers 25 can realize the in-situ rotation of the valve casting 31.

The utility model discloses a theory of operation: when the valve casting 31 is used, the free ends of the air inlet pipe 34 and the air outlet pipe 35 are connected with external equipment, the valve casting 31 is placed between the first flange plate 32 and the second flange plate 33, the outer surface of the valve casting 31 is attached to the two groups of rollers 25 in the fixed plate 22, the moving plate 23 is pushed by the waterproof cylinder 26, the four groups of rollers 25 synchronously fix the valve casting 31, the valve casting 31 can rotate in place by utilizing the four groups of rollers 25, bolt holes of the valve casting 31, the first flange plate 32 and the second flange plate 33 can be aligned, and a plurality of groups of fastening bolts 36 can be conveniently installed;

when through a plurality of fastening bolt 36, make the inlet and the liquid outlet of valve foundry goods 31 form fixed connection with first ring flange 32 and second ring flange 33 respectively, and then by intake pipe 34, first ring flange 32, valve foundry goods 31, second ring flange 33 and outlet duct 35 form the gas circuit route of carrying jointly, at the inside water injection of storage water tank 1, ventilate in intake pipe 34 inside, and then can observe whether there is the bubble to produce in storage water tank 1 inside, and then realized the detection to valve foundry goods 31 gas tightness.

Claims

1. The air tightness detection device for the valve casting comprises a water storage tank (1) with an open structure, and is characterized in that a clamping assembly (2) is fixedly installed at the bottom end inside the water storage tank (1), and a detection assembly (3) is fixedly connected inside the water storage tank (1);

detection subassembly (3) are including valve foundry goods (31), the inlet external connection of valve foundry goods (31) has first ring flange (32), the liquid outlet external connection of valve foundry goods (31) has second ring flange (33), the free end side fixedly connected with intake pipe (34) of first ring flange (32), the free end side fixedly connected with outlet duct (35) of second ring flange (33), two sets of lateral walls of storage water tank (1) are passed respectively in intake pipe (34) and outlet duct (35), and form sliding connection, first ring flange (32) and second ring flange (33) form fixed connection through a plurality of groups fastening bolt (36) and the both ends of valve foundry goods (31) respectively.

2. The device for detecting the air tightness of the valve casting according to claim 1, wherein the free ends of the air inlet pipe (34) and the air outlet pipe (35) extend to the outside of the water storage tank (1), and sealing rings are sleeved at the joints of the air inlet pipe (34), the air outlet pipe (35) and the water storage tank (1).

3. The airtightness detection apparatus for the valve casting according to claim 1, wherein the clamping assembly (2) includes a base (21) fixedly connected to the bottom end inside the water storage tank (1), a fixed plate (22) and a movable plate (23) are connected to the top end of the base (21), the base (21) and the fixed plate (22) are fixedly connected, a waterproof cylinder (26) is fixedly mounted to the top end of the base (21), and the telescopic end of the waterproof cylinder (26) is fixedly connected to the bottom side of the movable plate (23).

4. The device for detecting the airtightness of the valve casting according to claim 3, wherein two groups of through grooves (24) are formed in the side surfaces of the fixed plate (22) and the movable plate (23), and a roller (25) is rotatably connected inside each group of through grooves (24).

5. The device for detecting the airtightness of the valve casting according to claim 4, wherein the valve casting (31) is located between the fixed plate (22) and the movable plate (23), and an outer surface of the valve casting (31) is fitted to outer surfaces of the four sets of rollers (25).

6. The device for detecting the airtightness of the valve casting according to claim 5, wherein the bottom of each of two sets of side surfaces of the moving plate (23) is fixedly connected with a guide block (27), each of two sets of side surfaces of the base (21) is provided with a groove (28), the outer portions of the two sets of guide blocks (27) are in an "L" shape structure, and one end of each of the two sets of guide blocks (27) is located inside each of the two sets of grooves (28) and forms a sliding connection.