CN213956684U

CN213956684U - Valve leakage inspection device

Info

Publication number: CN213956684U
Application number: CN202120149099.7U
Authority: CN
Inventors: 黄臶
Original assignee: Tianjin Beifang Valve Actuator Co ltd
Current assignee: Tianjin Beifang Valve Actuator Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-08-13
Anticipated expiration: 2031-01-20

Abstract

The utility model provides a valve leakage inspection device, which comprises a water tank and a support plate arranged in the water tank, wherein the support plate is provided with two groups of plugging mechanisms and a hanging mechanism, each group of plugging mechanism comprises an air inlet plug, and the valve port is sealed and inflated by the two air inlet plugs; the hanging mechanism is used for hanging the valve. A valve leakage verifying attachment in, set up the hanging device mechanism to hanging the dress valve, then through two air inlet plugs stifled two port shutoff realization valves of valve install fast and sealed, then sink into the water tank in, aerify to seal space through air inlet plug is stifled to the valve, whether have the bubble to emerge through observing the aquatic and judge valve airtightness performance, improve detection efficiency, reduced manufacturing cost.

Description

Valve leakage inspection device

Technical Field

The utility model belongs to valve gas tightness detection area especially relates to a valve leakage inspection device.

Background

After the valve is produced, need leak it promptly the gas tightness detects, whether also can leak gas through valve rod position or weeping, adopt the pressure method to detect usually, when the pressure method detects, use specific frock to fix the valve bolt and seal, then aerify to detect valve inside, at first this frock structure is more complicated, the clamping valve is consuming time longer, simultaneously because the valve model is various, consequently need to correspond the frock that sets up multiple size and detect, increased and detected the degree of difficulty and caused manufacturing cost's increase.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a valve leakage inspection device to realize leading to the leakproofness short-term test to the valve of multiple model.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a valve leakage inspection device, is including setting up on the support, the open water tank in top, the portable backup pad that is equipped with of vertical direction in the water tank, be equipped with in the backup pad:

the two groups of plugging mechanisms are respectively communicated with the air supply system, and the valve port is sealed and inflated by the two air inlet plugs;

hang dress mechanism, the setting is between two sets of shutoff mechanisms, and it includes pole setting, fixed plate and fixed block, the pole setting is installed in the backup pad rear end, and the fixed plate is installed in the pole setting, the fixed block is installed on the fixed plate through vertical pushing jack, and this fixed block front end is equipped with two peg side by side, the peg is located the stifled top of air inlet plug and sets up perpendicularly with the stifled moving direction of air inlet plug.

Furthermore, horizontal pushing mechanism includes base and first screw rod, the base is installed in the backup pad, and this base horizontal direction is equipped with the screw hole, first screw rod and this screw hole match the installation, the setting of admitting air stopper is in first screw rod inner, and this first screw rod outer end matches and is furnished with first hand wheel.

Furthermore, the air inlet plug is a conical rubber air inlet head with a horizontally arranged central line.

Furthermore, vertical pushing mechanism includes the second screw rod of the vertical direction threaded connection of fixed plate, the second screw rod bottom is rotated and is installed on the fixed block, and this second screw rod top matches has the second hand wheel, the fixed plate is vertical upwards to be equipped with the second guide post, and the fixed plate is worn out in this second guide post top activity.

Furthermore, a lifting element is arranged at the center of the outer part of the bottom of the water tank, the lifting element is an air cylinder, a hydraulic cylinder or an electric push rod, a push rod of the lifting element extends upwards into the water tank, and the support plate is arranged on the push rod.

Furthermore, four first guide posts are vertically and upwards arranged on the periphery inside the bottom of the water tank, four guide holes are matched with the support plate, and the four guide posts movably penetrate through the matched guide holes.

Compared with the prior art, a valve leakage inspection device have following advantage:

a valve leakage verifying attachment in, set up the hanging device mechanism to hanging the dress valve, then through two air inlet plugs stifled two port shutoff realization valves of valve install fast and sealed, then sink into the water tank in, aerify to seal space through air inlet plug is stifled to the valve, whether have the bubble to emerge through observing the aquatic and judge valve airtightness performance, improve detection efficiency, reduced manufacturing cost.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a front view of a valve leak testing apparatus according to the present embodiment;

FIG. 2 is a top view of a valve leak testing apparatus according to the present embodiment;

FIG. 3 is a left side view of a valve leak testing apparatus according to the present embodiment;

fig. 4 is a diagram illustrating the application state of the device.

Description of reference numerals:

1-a water tank; 11-a scaffold; 2-a lifting element; 3-a support plate; 4-a first guide post; 5-a gas supply system; 6-a plugging mechanism; 61-air inlet plug; 62-a first screw; 63-a first hand wheel; 64-a base; 7-hanging the installation mechanism; 71-vertical rod; 72-hanging rod; 73-a fixed plate; 74-a second screw; 75-a second hand wheel; 76-fixed block; 77-a second guide post; 8-valve.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

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 described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-3, the valve leakage inspection device comprises a water tank 1 which is arranged on a support 11 and has an open top, a support plate 3 is movably arranged in the water tank 1 in the vertical direction, and two groups of plugging mechanisms 6 and a hanging mechanism are arranged on the support plate 3.

Each group of plugging mechanisms 6 comprises an air inlet plug 61, the air inlet plugs 61 are arranged on the supporting plate through horizontal pushing mechanisms, the two air inlet plugs 61 are opposite, the two air inlet plugs 61 approach or separate under the action of the respective horizontal pushing mechanisms, the two air inlet plugs 61 are respectively communicated with the air supply system 5 through hoses, and two ports of the valve 8 are sealed through the two air inlet plugs 61 and are inflated into a valve sealing space. In this embodiment, the air inlet plug 61 is a tapered rubber air inlet head with a horizontal center line.

The hanging mechanism 7 is arranged between the two groups of blocking mechanisms 6 and comprises an upright rod 71, a fixing plate 73 and a fixing block 76, the upright rod 71 is installed at the rear end of the supporting plate 3, the fixing plate 73 is installed on the upright rod 71, the fixing block 76 is installed on the fixing plate 73 through a vertical pushing mechanism, two hanging rods 72 are arranged at the front end of the fixing block 76 in parallel, and the two hanging rods 72 are located in the same horizontal plane above the push rod 62 and are respectively perpendicular to the moving direction of the air inlet plug 61. The hanging rod 72 is used for hanging a valve hand wheel 81 of the valve 8, and then the valve is hung before the tightness detection of the valve, and then the detection is carried out by sealing and inflating the two air inlet plugs 61.

In this embodiment, the horizontal pushing mechanism includes a base 64 and a first screw 62, the base 64 is mounted on the support plate 3, the base 64 is horizontally provided with a threaded hole, the first screw 62 is mounted in the threaded hole, the air inlet plug 61 is arranged at the inner end of the first screw 62, and the outer end of the first screw 62 is provided with a first hand wheel 63 in a matching manner. The first screw rod 62 is rotated by rotating the first hand wheel 63, the first screw rod 62 moves axially, and then the air inlet plug 61 is driven to move forwards, so that the valve port is plugged and sealed.

In this embodiment, the vertical pushing mechanism includes a second screw 74 screwed to the fixing plate 73 in the vertical direction, the bottom end of the second screw 74 is rotatably mounted on a fixing block 76, the top end of the second screw 74 is matched with a second wheel 75, the fixing plate 73 is vertically provided with a second guide post 77 upwards, and the top end of the second guide post 77 movably penetrates through the fixing plate 73. This structure is the same with horizontal pushing mechanism principle, just in order to prevent that fixed block 76 from rotating, second screw 74 and fixed block 76 rotate through the turntable bearing and are connected in this design, and second guide post 77 restriction fixed block 76 rotates, when guaranteeing that second screw 74 rotates, fixed block 76 can only vertical direction rectilinear movement, can not rotate thereupon, and then guarantee peg 72 and remove the position change about promptly in vertical direction, guarantee to hang the valve 8 of dress on two pegs 72 and reciprocate, can not the side-to-side beat.

In this embodiment, a lifting element 2 is disposed at a central position outside the bottom of the water tank 1, the lifting element 2 is a cylinder, a hydraulic cylinder or an electric push rod, a push rod of the lifting element 2 extends upwards into the water tank 1, and the support plate 3 is mounted on the push rod. The push rod of the lifting element 2 stretches to drive the support plate 3 to move up and down in the water tank 1, and then the valve which is hung on the hanging rod 72 and sealed by the air inlet plug is driven to sink into water for sealing detection. In order to guarantee the up-down movement stability of the supporting plate 3, four first guide posts 4 are vertically and upwards arranged on the periphery inside the bottom of the water tank 1, the supporting plate 3 is matched with four guide holes, and the four guide posts 4 movably penetrate through the matched guide holes.

The operation process of the device is that, as shown in figure 4, firstly, a supporting plate 3 is lifted by a lifting element until the supporting plate is higher than the water surface in a water outlet tank 1, then a valve 8 is hung on two hanging rods 72 by a valve hand wheel 81, when the valve is hung, a valve rod of the valve is positioned between the two hanging rods 72, then the front and back positions of the valve 8 are adjusted, a second screw 75 is driven to rotate by rotating a second hand wheel 75, the vertical position of the valve 8 is adjusted, the valve port of the valve is aligned with an air inlet plug 61, then the air inlet plug 61 is driven to move forwards by rotating a first screw 62 until the front ends of the two air inlet plugs 61 extend into the two ports of the valve 8, the air inlet plug 61 is continuously pushed forwards, because the air inlet plug 61 is a conical rubber air inlet, in the forward moving process, the conical surface of the air inlet plug is tightly contacted with the valve port to form a sealing structure, at the time, the two air inlet plugs seal the two ports of the valve, the valve is internally provided with a sealed space, then the push rod of the lifting element 2 retracts, the support plate 3 moves downwards until the valve 8 is wholly sunk into water, the air supply system is opened, air with certain air pressure is filled into the sealed space of the valve through the hose and the air inlet channel inside the air inlet plug 61, in order to know the air pressure value filled into the valve, in the embodiment, the front end of the air inlet plug 61 is provided with the air pressure sensor, the air pressure sensor is externally connected with the display, and the pressure value of the air filled into the sealed space of the valve body is displayed through the display. And after the sealed space is filled with gas with certain pressure, observing the water level in the water tank to be static and dynamic, and if bubbles emerge from the water level, indicating that the valve is poor in air tightness and is an unqualified product. If no bubble emerges from the water surface, the valve is better in air tightness and is a qualified product.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A valve leakage inspection device, its characterized in that: including setting up on support (11), open water tank (1) in top, vertical direction is portable in water tank (1) and is equipped with backup pad (3), be equipped with on backup pad (3):

the two groups of plugging mechanisms (6), each group of plugging mechanism (6) comprises an air inlet plug (61), the air inlet plugs (61) are arranged on the supporting plate through a horizontal pushing mechanism, the two air inlet plugs (61) are opposite, the two air inlet plugs (61) are respectively communicated with the air supply system (5), and two ports of the valve (8) are sealed and inflated through the two air inlet plugs (61);

hang dress mechanism (7), set up between two sets of shutoff mechanisms (6), it includes pole setting (71), fixed plate (73) and fixed block (76), pole setting (71) are installed in backup pad (3) rear end, and fixed plate (73) are installed on pole setting (71), fixed block (76) are installed on fixed plate (73) through vertical pushing mechanism, and this fixed block (76) front end is equipped with two peg (72) side by side, peg (72) are located and admit air stopper (61) top and block up (61) moving direction perpendicular setting with the stopper that admits air.

2. A valve leak testing device according to claim 1, wherein: the horizontal pushing mechanism comprises a base (64) and a first screw rod (62), the base (64) is installed on the supporting plate (3), a threaded hole is formed in the base (64) in the horizontal direction, the first screw rod (62) and the threaded hole are installed in a matched mode, the air inlet plug (61) is arranged at the inner end of the first screw rod (62), and a first hand wheel (63) is matched with the outer end of the first screw rod (62).

3. A valve leak testing device according to claim 1 or 2, wherein: the air inlet plug (61) is a conical rubber air inlet head with a horizontally arranged central line.

4. A valve leak testing device according to claim 1, wherein: the vertical pushing mechanism comprises a second screw rod (74) which is connected with the fixing plate (73) in a threaded manner in the vertical direction, the bottom end of the second screw rod (74) is rotatably installed on the fixing block (76), a second hand wheel (75) is matched with the top end of the second screw rod (74), a second guide column (77) is vertically arranged on the fixing plate (73) in the upward direction, and the top end of the second guide column (77) penetrates out of the fixing plate (73) in a movable manner.

5. A valve leak testing device according to claim 1, wherein: the water tank is characterized in that a lifting element (2) is arranged at the center of the outer part of the bottom of the water tank (1), the lifting element (2) is an air cylinder, a hydraulic cylinder or an electric push rod, the push rod of the lifting element (2) extends upwards into the water tank (1), and the support plate (3) is installed on the push rod.

6. A valve leak testing device according to claim 5, wherein: four first guide posts (4) are vertically and upwards arranged on the periphery inside the bottom of the water tank (1), four guide holes are matched with the support plate (3), and the four guide posts (4) movably penetrate through the matched guide holes.