CN217331543U

CN217331543U - A leakproofness detection device for valve production

Info

Publication number: CN217331543U
Application number: CN202221403492.5U
Authority: CN
Inventors: 周贞贞
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-08-30
Anticipated expiration: 2032-06-07

Abstract

The utility model discloses a leakproofness detection device for valve production, including the organism, the observation window has been seted up to the organism upside, is provided with fixed flange dish on the inside one side terminal surface of organism, and fixed flange dish opposite side is provided with a flexible section of thick bamboo. The beneficial effects are that: the utility model discloses complete structure, earlier interval through the electric cylinder adjustment needs, then fix a position the valve body through the location section of thick bamboo in the ring flange of both sides, let in atmospheric pressure with miniature air pump, atmospheric pressure passes through valve body and reachs U type glass pipe, inside liquid can be removed to specific water line by standard water line when the atmospheric pressure rises to rated air pressure in the U type glass pipe, keep behind the uniform time, if the liquid level descends, then represent the valve body gas leakage, can realize the location and the fixing to different model valve bodies, and whether the characteristic of U type glass pipe can more conveniently confirm the valve body gas leakage, improve the actual qualification rate of valve.

Description

A leakproofness detection device for valve production

Technical Field

The utility model relates to a valve production technical field specifically indicates a leakproofness detection device for valve production.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). The valve can be divided into a shut-off valve, a check valve, a regulating valve and the like according to the functions, the valve can act according to the preset requirements under the action of pressure, temperature or other forms of sensing signals, or can be simply opened or closed without depending on the sensing signals, and the valve enables an opening and closing piece to do lifting, sliding, swinging or rotating motion by depending on a driving or automatic mechanism, so that the size of the flow passage area is changed to realize the control function.

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, so the valve is required to be strict and precise in production due to the characteristics of the valve, and different tools and methods are required to detect the valves with different types in the air tightness inspection of valve production nowadays, so the valve is time-consuming and labor-consuming, the air leakage is not easy to distinguish in the detection process, and the actual qualification rate of the valve is not easy to control.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a leakproofness detection device for valve production in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the tightness detection device for valve production comprises a machine body, wherein an observation window is formed in the upper side of the machine body, a fixed flange plate is arranged on the end face of one side in the machine body, a first telescopic cylinder is arranged on the other side of the fixed flange plate, a first flange plate is arranged on the other side of the first telescopic cylinder, a first positioning cylinder is arranged on the inner side of the first flange plate, a joint pipe is arranged on the front side of the first telescopic cylinder, a U-shaped glass pipe is arranged on the front side of the joint pipe, quantitative clean water is arranged in the U-shaped glass pipe, a standard water level line and a specific water level line are arranged on the pipe wall of the U-shaped glass pipe, the standard water level line is positioned on the lower side of the specific water level line, a U-shaped pipe support is arranged on the lower side of the U-shaped glass pipe, a second flange plate is arranged on the other side of the first flange plate, a second positioning cylinder is arranged on the inner side of the second flange plate, and a second telescopic cylinder is arranged on the other side of the second flange plate, the utility model discloses a flexible air pump, including first flange dish, first telescopic cylinder, second telescopic cylinder, support column, electric cylinder, U type glass pipe, support column, slide rail, dead lever, electric cylinder, U type glass pipe, first flange dish, flexible pipe opposite side of second telescopic cylinder is provided with the flexible pipe, be provided with the pipe strap on the pipe strap, the symmetry is provided with the dead lever, the pipe strap downside is provided with the support column, the support column downside is provided with the slide rail, the dead lever opposite side is provided with the telescopic link, the telescopic link opposite side is provided with electric cylinder, the flexible pipe other end is provided with miniature air pump, just miniature air pump is in the electric cylinder downside, the one end that U type glass pipe is close to first flange dish is the closure state.

Preferably, the fixed flange plate is connected with the machine body through bolts, the fixed flange plate is welded with the first telescopic cylinder, the first telescopic cylinder is welded with the first flange plate, the joint pipe is in threaded connection with the first telescopic cylinder, the joint pipe is connected with the U-shaped glass pipe through a sealing ring, and the U-shaped pipe support is welded with the machine body.

Preferably, the second flange plate is welded with the second telescopic cylinder, the pipe clamp is connected with the second telescopic cylinder through bolts, the supporting column is welded with the lower side of the pipe clamp, a sliding groove in the supporting column is connected with the sliding rail in a sliding manner, the fixing rod is welded with the pipe clamp, the fixing rod is connected with the telescopic rod joint, and the telescopic rod is connected with the electric cylinder in a sleeved manner.

Preferably, the air hose is connected with the second telescopic cylinder pneumatic connector, the other end of the air hose is connected with the miniature air pump pneumatic connector, the miniature air pump is connected with the machine body through a bolt, and the electric cylinder is connected with the machine body through a bolt.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses complete structure, earlier make the second ring flange remove to first ring flange through electric cylinder, the interval that the adjustment needs, then fix a position the valve body through the location section of thick bamboo in the ring flange of both sides, then fix it, let in atmospheric pressure with miniature air pump, atmospheric pressure passes through valve body arrival U type glass pipe, inside liquid can be removed specific water line by standard water line when the atmospheric pressure rises to rated air pressure in the U type glass pipe, keep behind the definite time, if the liquid level descends, then represent the valve body gas leakage, can realize the location and the fixing to different model valve bodies, and the characteristic of U type glass pipe can more conveniently confirm whether gas leakage of valve body, improve the actual qualification rate of valve.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of a sealing performance detecting apparatus for valve production according to the present invention with a front end face hidden;

fig. 2 is a schematic cross-sectional structural view of the sealing performance testing apparatus for valve production according to the present invention;

fig. 3 is a schematic top view of the sealing performance testing apparatus for valve production according to the present invention;

fig. 4 is a schematic overall structure diagram of the sealing performance detection device for valve production according to the present invention;

fig. 5 is a schematic partial structural view of the sealing performance detecting apparatus for valve production according to the present invention;

the reference numerals are explained below: 1. a body; 2. an observation window; 3. an electric cylinder; 4. a micro air pump; 5. a first flange plate; 51. a first positioning cylinder; 6. a first telescopic cylinder; 7. fixing a flange plate; 8. a U-shaped glass tube; 81. a standard water line; 82. a specific water line; 9. a second flange plate; 91. a second positioning cylinder; 10. a second telescopic cylinder; 11. a pipe clamp; 12. softening the trachea; 13. fixing the rod; 14. a telescopic rod; 15. a joint pipe; 16. a support column; 17. a slide rail; 18. u type pipe support.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

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 construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-5, the tightness detecting device for valve production comprises a machine body 1, an observation window 2 is disposed on the upper side of the machine body 1, a fixed flange 7 is disposed on the end surface of one side inside the machine body 1, a first telescopic cylinder 6 is disposed on the other side of the fixed flange 7, a first flange 5 is disposed on the other side of the first telescopic cylinder 6, a first positioning cylinder 51 is disposed inside the first flange 5, a joint pipe 15 is disposed on the front side of the first telescopic cylinder 6, a U-shaped glass tube 8 is disposed on the front side of the joint pipe 15, a fixed amount of clear water is disposed inside the U-shaped glass tube 8, a standard water level line 81 and a specific water level line 82 are disposed on the wall of the U-shaped glass tube 8, the standard water level line 81 is located on the lower side of the specific water level line 82, a U-shaped tube support 18 is disposed on the lower side of the U-shaped glass tube 8, a second flange 9 is disposed on the other side of the first flange 5, a second positioning cylinder 91 is disposed on the inner side of the second flange 9, the 9 opposite sides of second ring flange are provided with the flexible section of thick bamboo 10 of second, the flexible section of thick bamboo 10 opposite side of second is provided with hose 12, be provided with pipe strap 11 on the flexible section of thick bamboo wall of second, the symmetry is provided with dead lever 13 on the

pipe strap

11, 11 downside of pipe strap is provided with

support column

16, 16 downside of support column is provided with slide rail 17, dead lever 13 opposite side is provided with

telescopic link

14, 14 opposite sides of telescopic link are provided with electric cylinder 3, the flexible section of thick bamboo 12 other end is provided with miniature air pump 4, and miniature air pump 4 is at electric cylinder 3 downside, the one end that U type glass pipe 8 is close to first ring flange 5 is closed condition.

Preferably, the fixed flange 7 is connected with the machine body 1 through a bolt, the fixed flange 7 is welded with the first telescopic cylinder 6, the first telescopic cylinder 6 is welded with the first flange plate 5, the joint pipe 15 is in threaded connection with the first telescopic cylinder 6, the joint pipe 15 is connected with the U-shaped glass tube 8 through a sealing ring, the U-shaped pipe support 18 is welded with the machine body 1, the second flange plate 9 is welded with the second telescopic cylinder 10, the pipe clamp 11 is in bolted connection with the second telescopic cylinder 10, the support column 16 is welded with the lower side of the pipe clamp 11, a sliding chute in the support column 16 is in sliding connection with a sliding rail 17, the fixed rod 13 is welded with the pipe clamp 11, the fixed rod 13 is in jointed connection with a telescopic rod 14, the telescopic rod 14 is in sleeved connection with the electric cylinder 3, the air hose 12 is in pneumatic connection with the second telescopic cylinder 10, the other end of the air hose 12 is in pneumatic connection with a miniature air pump 4, the miniature air pump 4 is in bolted connection with the machine body 1, and the electric cylinder 3 is in bolted connection with the machine body 1.

In the structure, according to the type of the valve to be detected, the electric cylinder 3 is opened to drive the telescopic rod 14 to move, so as to drive the second flange plate 9 to move towards one side of the first flange plate 5, the required distance is adjusted, the valve to be detected is placed between the first flange plate 5 and the second flange plate 9, the through cavity of the valve is fixed through the first positioning cylinder 51 and the second positioning cylinder 91, then the valve is fixed through bolts, the micro air pump 4 is opened to introduce air pressure, the air pressure is introduced from the air hose 12 to the second telescopic cylinder 10, then the air pressure reaches the first telescopic cylinder 6 through the valve, the air pressure is introduced into the U-shaped glass tube 8 along with the joint tube 15, the liquid level in the U-shaped glass tube 8 starts to change from the standard water level 81 through the air pressure, the air pressure in the U-shaped glass tube 8 starts to rise, when the air pressure in the U-shaped glass tube 8 rises to the rated air pressure, the liquid level in the U-shaped glass tube 8 can reach the specific water level 82, the air supply is stopped and kept for a certain time, after a period of time, if the liquid level in the U-shaped glass tube 8 drops from the specific water level line 82, the valve body leaks air, and otherwise, the valve body does not leak air.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only for illustrating the principles of the present invention, without departing from the spirit and scope of the present invention, the present invention can also have various changes and modifications, and these changes and modifications all fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A leakproofness detection device for valve production, its characterized in that: the water quality monitoring device comprises a machine body (1), an observation window (2) is arranged on the upper side of the machine body (1), a fixed flange plate (7) is arranged on one side end face in the machine body (1), a first telescopic cylinder (6) is arranged on the other side of the fixed flange plate (7), a first flange plate (5) is arranged on the other side of the first telescopic cylinder (6), a first positioning cylinder (51) is arranged on the inner side of the first flange plate (5), a joint pipe (15) is arranged on the front side of the first telescopic cylinder (6), a U-shaped glass pipe (8) is arranged on the front side of the joint pipe (15), quantitative clean water is arranged in the U-shaped glass pipe (8), a standard water level line (81) and a specific water level line (82) are arranged on the pipe wall of the U-shaped glass pipe (8), the standard water level line (81) is positioned on the lower side of the specific water level line (82), a U-shaped pipe support (18) is arranged on the lower side of the U-shaped glass pipe (8), a second flange plate (9) is arranged on the other side of the first flange plate (5), a second positioning cylinder (91) is arranged on the inner side of the second flange plate (9), a second telescopic cylinder (10) is arranged on the other side of the second flange plate (9), a hose (12) is arranged on the other side of the second telescopic cylinder (10), a pipe clamp (11) is arranged on the wall of the second telescopic cylinder (10), fixing rods (13) are symmetrically arranged on the pipe clamp (11), a supporting column (16) is arranged on the lower side of the pipe clamp (11), a sliding rail (17) is arranged on the lower side of the supporting column (16), a telescopic rod (14) is arranged on the other side of the fixing rod (13), an electric cylinder (3) is arranged on the other side of the telescopic rod (14), a miniature air pump (4) is arranged on the other end of the hose (12), and the miniature air pump (4) is arranged on the lower side of the electric cylinder (3), one end of the U-shaped glass tube (8) close to the first flange plate (5) is in a closed state.

2. The tightness detection device for valve production according to claim 1, characterized in that: the fixed flange plate (7) is connected with the machine body (1) through bolts, the fixed flange plate (7) is welded with the first telescopic cylinder (6), the first telescopic cylinder (6) is welded with the first flange plate (5), the joint pipe (15) is in threaded connection with the first telescopic cylinder (6), the joint pipe (15) is connected with the U-shaped glass pipe (8) through a sealing ring, and the U-shaped pipe support (18) is welded with the machine body (1).

3. The tightness detection device for valve production according to claim 1, characterized in that: second ring flange (9) with the flexible section of thick bamboo of second (10) welding, pipe strap (11) with the flexible section of thick bamboo of second (10) bolted connection, support column (16) with the downside welding of pipe strap (11), spout in support column (16) with slide rail (17) sliding connection, dead lever (13) with pipe strap (11) welding, dead lever (13) with telescopic link (14) articulate, telescopic link (14) with electric cylinder (3) cup joint.

4. The tightness detection device for valve production according to claim 1, characterized in that: the air hose (12) is connected with a pneumatic joint of the second telescopic cylinder (10), the other end of the air hose (12) is connected with a pneumatic joint of the miniature air pump (4), the miniature air pump (4) is connected with the machine body (1) through a bolt, and the electric cylinder (3) is connected with the machine body (1) through a bolt.