Valve pressure testing device

Abstract

The utility model relates to the technical field of valve detection, and discloses a valve pressure test device which comprises a test bench, a filter screen plate is arranged on the side face of the test bench, and a pressure test detection assembly is arranged at the top of the test bench. The pressure test detection assembly comprises a top end connecting cylinder, a top end sealing plate, a first sealing semi-ring plate, a second sealing semi-ring plate, a butt joint insertion block, a side end sealing gasket, a magnetic suction plate, a magnet plate, a connecting block, a water tank, a telescopic pipe and a breather pipe. According to the valve pressure test device, the pressure test detection assembly is arranged, the breather pipe penetrates through the test bench, the upper end and the lower end of the breather pipe are arranged in the top end connecting cylinder and the test bench respectively, and when the valve pressure test device is used, the water tank is filled with water, and then the telescopic pipe is stretched to enable the bottom of the telescopic pipe to extend into the water tank; and when bubbles appear in water in the internal water tank during pressure test detection, the phenomenon of air leakage is indicated, the detection result can be visually displayed, and a user can quickly know the detection condition during detection.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve detection technical field, concretely is a valve pressure test device. BACKGROUND

[0002] In industrial production, petroleum chemical industry, pipeline transportation and many other fields, as the key component of controlling fluid flow, the quality and reliability of the valve are very important, so a more advanced, efficient, accurate and high degree of automation valve pressure test device is needed to solve these problems, so as to guarantee the quality of valve products.

[0003] The prior art discloses a valve pressure test device, which belongs to the technical field of valve sealing test. The valve pressure test device comprises a rack, a support plate for supporting the lower flange of the valve to be tested is arranged on the rack, a lower sealing gasket for sealing the flange opening of the lower flange is arranged on the upper side of the support plate, and a positioning column for penetrating the bolt hole on the lower flange is also arranged on the upper side of the support plate. The positioning column is provided with two or more than two, each positioning column is arranged on the same circumference, and the center of the circumference of each positioning column is concentric with the center of the support plate. The utility model is used for positioning and pressing the valve, detecting the sealing property of the valve, and placing the bolt hole on the lower flange of the valve against the positioning column during installation, so that the positioning column can penetrate the bolt hole. The operation is relatively convenient, the position of the valve does not need to be adjusted after placement, the operation of tightening multiple bolts is saved, the operation steps are simplified, and the test efficiency can be improved.

[0004] The valve pressure test device needs only to place the bolt hole on the lower flange of the valve to be tested against the positioning column during use, so that the positioning column can penetrate the corresponding bolt hole, and the operation is relatively convenient. However, the device does not have equipment for directly displaying the test results during detection, and the user cannot quickly know the detection condition during detection, which is not good in use and needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a valve pressure test device to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a valve pressure test device, comprising a test bench, a filter screen plate is arranged on the side of the test bench, a pressure test detection assembly is arranged on the top of the test bench, and a detection sealing assembly is arranged on the top of the test bench.

[0007] The pressure test detection assembly comprises a top end connecting cylinder, a top end sealing plate, a first sealing half ring plate, a second sealing half ring plate, a butt joint plug block, a side end sealing gasket, a magnetic attraction plate, a magnet plate, a connecting block, a water tank, an elastic tube and an air pipe, the top end connecting cylinder is fixedly connected to the top of the test table, the first sealing half ring plate is fixedly connected to the top of the top end connecting cylinder, the top end sealing plate is fixedly connected to the top of the first sealing half ring plate, the butt joint plug block is inserted into the first sealing half ring plate, the second sealing half ring plate is fixedly connected to the back of the butt joint plug block, the side end sealing gasket is fixedly connected to the side of the second sealing half ring plate, the side end sealing gasket is slidingly connected to the side of the first sealing half ring plate, the magnetic attraction plate is fixedly connected to the side of the second sealing half ring plate, the connecting block is fixedly connected to the side of the first sealing half ring plate close to the bottom, the connecting block is fixedly connected to the side of the connecting block, the elastic tube is fixedly connected to the bottom of the air pipe, and the water tank is fixedly connected to the inner bottom end of the test table.

[0008] Preferably, the detection sealing assembly comprises a valve body, a valve pipe, a head and a bolt section, the valve body is connected to the top of the test table, the valve pipe is fixedly connected to the side of the valve body, the head is inserted into the valve pipe, and the bolt section is fixedly connected to the side of the head and is threadedly connected to the inside of the valve pipe.

[0009] Preferably, the front surface of the first sealing half ring plate is provided with a butt joint rectangular slot, and the area of the butt joint rectangular slot is adapted to the back area of the butt joint plug block.

[0010] Preferably, the top of the test table is provided with a through groove, the diameter of the through groove is adapted to the diameter of the air pipe, the through groove is arranged to facilitate the placement of the air pipe, and the upper and lower ends of the air pipe are arranged in the inside of the top end connecting cylinder and the test table respectively, so that detection is facilitated.

[0011] Preferably, the magnetic attraction plate is slidingly connected to the top of the magnet plate and is magnetically connected to the magnet plate.

[0012] Preferably, the upper half of the air pipe extends through the top of the test table and is connected to the inside of the top end connecting cylinder, and the lower half of the air pipe extends through the top of the test table and is connected to the inside of the test table.

[0013] Preferably, the inner ring of the valve pipe is provided with an internal thread groove, the internal thread groove is adapted to the bolt section, the bolt section is butt jointed with the internal thread groove in the valve pipe during insertion, and then is screwed in, so as to be used for the assembly of the head and the removal after pressure test.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The valve pressure testing device, through the setting has the pressure test detection assembly, the air pipe penetrates the test table, the upper and lower ends of the air pipe are respectively in the inside of the top end connecting cylinder and the test table, and when using, the water tank is installed on the water, then the telescopic pipe is stretched to make the bottom of the telescopic pipe enter the inside of the water tank, then when the water bubble appears in the water of the inside water tank when the air is passed and the pressure test is detected, it is indicated that the air leakage phenomenon appears, the detection result can be directly displayed, and the user can quickly know the detection condition during detection.

[0016] 2. The valve pressure testing device, by setting the detection sealing assembly, the valve pipe inside the detection sealing assembly can be inserted into the head, the bolt section is butt jointed with the threaded groove inside the valve pipe during splicing, and then screwed in, used for assembling the head and taking out after pressure testing. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is a pressure test detection assembly three-dimensional structure schematic view of the utility model;

[0019] Figure 3 It is a pressure test detection assembly three-dimensional structure schematic view of the utility model; Figure 2 It is an enlarged structure schematic view of A in the utility model;

[0020] Figure 4 It is a detection sealing assembly three-dimensional structure schematic view of the utility model.

[0021] In the drawing: 1, test table; 2, filter screen plate; 3, pressure test detection assembly; 301, top end connecting cylinder; 302, top end sealing plate; 303, first sealing half ring plate; 304, second sealing half ring plate; 305, butt joint plug; 306, side end sealing gasket; 307, magnetic attraction plate; 308, magnet plate; 309, connecting block; 310, water tank; 311, telescopic pipe; 312, air pipe; 4, detection sealing assembly; 401, valve body; 402, valve pipe; 403, head; 404, bolt section. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides the following technical scheme:

[0024] A valve pressure testing device, comprising a test bench 1, a filter screen plate 2 is arranged on the side of the test bench 1, a pressure testing detection assembly 3 is arranged on the top of the test bench 1, and a detection sealing assembly 4 is arranged on the top of the test bench 1.

[0025] The pressure testing detection assembly 3 comprises a top end connecting cylinder 301, a top end sealing plate 302, a first sealing half ring plate 303, a second sealing half ring plate 304, a butt plug 305, a side end sealing gasket 306, a magnetic plate 307, a magnet plate 308, a connecting block 309, a water tank 310, an extension pipe 311 and an air pipe 312, the top end connecting cylinder 301 is fixedly connected to the top of the test bench 1, the first sealing half ring plate 303 is fixedly connected to the top of the top end connecting cylinder 301, the top end sealing plate 302 is fixedly connected to the top of the first sealing half ring plate 303, the butt plug 305 is inserted into the first sealing half ring plate 303, the second sealing half ring plate 304 is fixedly connected to the back of the butt plug 305, the side end sealing gasket 306 is fixedly connected to the side of the second sealing half ring plate 304, the side end sealing gasket 306 is slidingly connected to the side of the first sealing half ring plate 303, the magnetic plate 307 is fixedly connected to the side of the second sealing half ring plate 304, the connecting block 309 is fixedly connected to the side of the first sealing half ring plate 303 close to the bottom, the connecting block 309 is fixedly connected to the side of the connecting block 309, the extension pipe 311 is fixedly connected to the bottom of the air pipe 312, the water tank 310 is fixedly connected to the inner bottom end of the test bench 1, the front of the first sealing half ring plate 303 is provided with a butt rectangular slot, the area of the butt rectangular slot is matched with the back area of the butt plug 305, the top of the test bench 1 is provided with a through slot, the diameter of the through slot is matched with the diameter of the air pipe 312, the through slot is arranged to facilitate the placement of the air pipe 312, so that the upper and lower ends of the air pipe 312 are respectively arranged in the top end connecting cylinder 301 and the inner part of the test bench 1, and detection is facilitated, the magnetic plate 307 is slidingly connected to the top of the magnet plate 308, the magnetic plate 307 is magnetically connected to the magnet plate 308, the upper half of the air pipe 312 penetrates through the top of the test bench 1 and extends into the inner part of the top end connecting cylinder 301, and the lower half of the air pipe 312 penetrates through the top of the test bench 1 and extends into the inner part of the test bench 1.

[0026] The detection sealing assembly 4 comprises a valve body 401, a valve pipe 402, a head 403 and a bolt segment 404, the valve body 401 is connected to the top of the test bench 1, the valve pipe 402 is fixedly connected to the side of the valve body 401, the head 403 is inserted into the inner part of the valve pipe 402, the bolt segment 404 is fixedly connected to the side of the head 403, the bolt segment 404 is threadedly connected to the inner part of the valve pipe 402, an inner thread groove is formed in the inner ring of the valve pipe 402, the inner thread groove is matched with the bolt segment 404, the bolt segment 404 is butted with the thread groove in the inner part of the valve pipe 402 during insertion, and then is screwed in, and is used for the assembly of the head 403 and the removal after pressure testing.

[0027] In use, the second sealing half ring plate 304 can be installed on the front of the first sealing half ring plate 303 to form a sealed space, and then air is supplied from below for detection. When installing, the back of the magnetic plate 307 is first attached to the top front of the magnet plate 308. At this time, the second sealing half ring plate 304 can be placed on the top of the top connecting cylinder 301 and then slid backward. During the sliding process, the second sealing half ring plate 304 is aligned with the butt rectangular slot on the front of the first sealing half ring plate 303. Continue to push until the second sealing half ring plate 304 can be inserted into the butt rectangular slot on the front of the first sealing half ring plate 303, and the top of the second sealing half ring plate 304 is tightly attached to the bottom of the top sealing plate 302. A sealed cylinder can be installed, and the detection sealing assembly 4 can be placed inside the top connecting cylinder 301 when not installed. At this time, the top connecting cylinder 301, the first sealing half ring plate 303, and the top sealing plate 302 and the second sealing half ring plate 304 on the top of the test bench 1 form a sealed cylinder, and the air pipe 312 penetrates the test bench 1. The upper and lower ends of the air pipe 312 are inside the top connecting cylinder 301 and the test bench 1, respectively. When using, the water tank 310 is filled with water, and then the telescopic pipe 311 is stretched so that the bottom of the telescopic pipe 311 extends into the inside of the water tank 310. When air bubbles appear in the water in the internal water tank 310 during air supply and pressure test, it indicates that air leakage occurs. The detection result can be directly displayed. The user can quickly know the detection condition during detection. The effect is good when using. The valve pipe 402 in the detection sealing assembly 4 can be inserted into the end cap 403. During insertion, the bolt section 404 is connected to the threaded groove inside the valve pipe 402, and then screwed in. The bolt section 404 is used for assembling the end cap 403 and removing after pressure test.

[0028] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A valve pressure testing device, comprising a test bench (1), characterized in that: The test bench (1) is provided with a filter screen plate (2) on its side, a pressure test detection component (3) is provided on the top of the test bench (1), and a test sealing component (4) is provided on the top of the test bench (1). The pressure testing assembly (3) includes a top connecting cylinder (301), a top sealing plate (302), a first sealing semi-ring plate (303), a second sealing semi-ring plate (304), a mating block (305), a side sealing gasket (306), a magnetic plate (307), a magnetic plate (308), a connecting block (309), a water tank (310), a telescopic pipe (311), and a vent pipe (312). The top connecting cylinder (301) is fixedly connected to the top of the test bench (1), the first sealing semi-ring plate (303) is fixedly connected to the top of the top connecting cylinder (301), the top sealing plate (302) is fixedly connected to the top of the first sealing semi-ring plate (303), and the mating block (305) is inserted into the first sealing semi-ring plate. Inside (303), the second sealing semi-ring plate (304) is fixedly connected to the back of the docking block (305), the side sealing gasket (306) is fixedly connected to the side of the second sealing semi-ring plate (304), the side sealing gasket (306) is slidably connected to the side of the first sealing semi-ring plate (303), the magnetic suction plate (307) is fixedly connected to the side of the second sealing semi-ring plate (304), the connecting block (309) is fixedly connected to the side of the first sealing semi-ring plate (303) near the bottom, the connecting block (309) is fixedly connected to the side of the connecting block (309), the telescopic pipe (311) is fixedly connected to the bottom of the vent pipe (312), and the water tank (310) is fixedly connected to the bottom of the test bench (1).

2. The valve pressure testing device according to claim 1, characterized in that: The detection sealing assembly (4) includes a valve body (401), a valve tube (402), a head (403), and a bolt section (404). The valve body (401) is connected to the top of the test bench (1). The valve tube (402) is fixedly connected to the side of the valve body (401). The head (403) is inserted into the inside of the valve tube (402). The bolt section (404) is fixedly connected to the side of the head (403) and threadedly connected to the inside of the valve tube (402).

3. The valve pressure testing device according to claim 1, characterized in that: The first sealing semi-ring plate (303) has a mating rectangular slot on its front side, and the area of ​​the mating rectangular slot is adapted to the back area of ​​the mating plug (305).

4. The valve pressure testing device according to claim 1, characterized in that: The test bench (1) has a through groove on its top, and the diameter of the through groove is adapted to the diameter of the air pipe (312).

5. A valve pressure testing device according to claim 1, characterized in that: The magnetic plate (307) is slidably connected to the top of the magnet plate (308), and the magnetic plate (307) is magnetically connected to the magnet plate (308).

6. A valve pressure testing device according to claim 1, characterized in that: The upper half of the vent pipe (312) extends through the top of the test bench (1) and is connected to the inside of the top connecting cylinder (301), while the lower half of the vent pipe (312) extends through the top of the test bench (1) and is connected to the inside of the test bench (1).

7. A valve pressure testing device according to claim 2, characterized in that: The inner ring of the valve tube (402) is provided with an internal thread groove, which is adapted to the bolt section (404).

Images