CN218470175U

CN218470175U - Pressure test tool for valve

Info

Publication number: CN218470175U
Application number: CN202222636727.1U
Authority: CN
Inventors: 宋家林
Original assignee: Fujian Air Separation Gas Co ltd
Current assignee: Fujian Air Separation Gas Co ltd
Priority date: 2022-10-05
Filing date: 2022-10-05
Publication date: 2023-02-10
Anticipated expiration: 2032-10-05

Abstract

The utility model discloses a pressure test tool for a valve, which comprises a valve body, wherein a clamping seat is arranged on the outer side of the valve body, a mounting groove is embedded in the bottom of the clamping seat, a batten is fixedly arranged in the mounting groove, a sleeve seat is movably sleeved on the surface of the batten, the sleeve seat is fixedly connected with the bottom of the clamping seat, boosting screw rods are movably arranged at the two ends of the batten, sealing sleeves are sleeved at the two ends of the valve body, one end of each sealing sleeve, which is far away from the valve body, is connected with a connecting pipe, and one end of the connecting pipe is connected with a gas pipe; in the pressure test tool for the valve, the clamping seat is in sliding connection with the batten through the sleeve seat, the boosting screw is in threaded connection with the cantilever plate, the boosting screw pushes the clamping seat to move along the surface of the batten, the distance between the clamping seats is convenient to adjust, the valve body is clamped and positioned, the operation process is simple, and the operation time is short.

Description

Pressure test tool for valve

Technical Field

The utility model relates to a valve pressure testing correlation technique field specifically is a pressure testing frock for valve.

Background

The valve is the necessary part on present pipeline construction and mechanical electrical equipment, because the valve plays crucial effect on equipment, in order to guarantee the closure of valve, need carry out the pressure testing to the valve to whether the condition of leaking appears in the inside of test valve, consequently, the pressure testing frock has very important effect when carrying out the pressure testing to the valve.

A pressure test tool for an ultra-high-pressure valve is disclosed in the current Chinese granted patent publication No. CN209495807U, including the pressure test blank sheet of arranging ultra-high-pressure valve entry and export in, pressure test blank sheet central authorities set up the pressurization hole, and the pressure test blank sheet leans on the valve outside to set up the step, and the step outside cover sets up flexible graphite sealing ring, and the flexible graphite sealing ring outside sets up the sealing ring clamp plate that compresses tightly flexible graphite sealing ring, the sealing ring clamp plate outside sets up the quartering, the quartering is pegged graft in the seal groove that ultra-high-pressure valve entry and export were seted up, and the quartering outside sets up the quartering gland, quartering gland cover is established on the screw rod of pressure test blank sheet outside connection, the screw rod is located and leans on quartering gland outside part to overlap and is established lock nut, and quartering gland and pressure test blank sheet are connected through lock nut cooperation screw rod, pressure test tool for ultra-high-pressure valve satisfies the pressure test operation under the ultra-high-pressure, and the pressure test risk is little, and is with low costs.

However, above-mentioned pressure testing frock for valve when being connected pipeline and valve both ends, it is not strong to connect the leakproofness to the both ends of valve, leads to pressure to leak, appears testing unsafe condition easily, in addition, need fix the valve body before the pressure testing and place, and positioning mechanism is more loaded down with trivial details, leads to expending more time at the in-process of positioning valve body.

Therefore, a pressure testing tool for the valve is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure testing frock for valve to solve the pressure testing frock for the valve of using at present that proposes in the above-mentioned background art, when being connected pipeline and valve both ends, it is not strong to connect the leakproofness at the both ends of valve, lead to pressure to leak, the unsafe condition of test appears easily, in addition, need fix the valve body before the pressure testing and place, positioning mechanism is more loaded down with trivial details, lead to expending the problem of more time at the in-process of positioning valve body.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a pressure testing frock for valve, includes the valve body, the holder is installed in the outside of valve body, and the bottom gomphosis of holder installs the mounting groove, the inside fixed mounting of mounting groove has the slat, and the surperficial activity of slat has cup jointed the cover seat, be fixed connection between the bottom of cover seat and holder, the both ends movable mounting of slat has the boosting screw rod, sealed running-on has been cup jointed at the both ends of valve body, and the sealed running-on one end of keeping away from the valve body is connected with the takeover, the one end of takeover is connected with the trachea, the trachea is kept away from the one end of takeover and is installed the three-way pipe, and wherein one end of three-way pipe is connected with pressure inflator.

Preferably, the internal structure size of the sleeve seat is matched with the external structure size of the ribbon board, and the clamping seat is in sliding connection with the ribbon board through the sleeve seat.

Preferably, the inner wall of the clamping seat is fixedly provided with a rubber sheet, the clamping seat is movably connected with the boosting screw rod, and the boosting screw rod and the clamping seat are arranged correspondingly.

Preferably, tracheal one end integration is connected with the stopper mouth, and the outside fixed surface of stopper mouth has the inflatable airbag circle, tracheal fixed surface is provided with the screw thread outer tube, be provided with the sealing rubber ring between the inner wall of takeover and the screw thread outer tube.

Preferably, the connecting pipe is in threaded connection with the threaded outer pipe, and the internal structure size of the sealing sleeve opening at one end of the connecting pipe is matched with the external structure size at two ends of the valve body.

Preferably, the diameter of the plug opening is matched with the inner diameter of the two ends of the valve body, and the interior of the valve body is connected with the air pipe through the plug opening.

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

1. according to the pressure test tool for the valve, the clamping seat is in sliding connection with the batten through the sleeve seat, the boosting screw is in threaded connection with the cantilever plate and pushes the clamping seat to move along the surface of the batten, the distance between the clamping seats is convenient to adjust, the valve body is clamped and positioned, the operation process is simple, and the operation time is short;

2. this pressure testing frock for valve sets up the inflation gasbag circle through the surface at the bung hole, utilizes the inside gas filled characteristic of inflation gasbag circle, and when the inside at bung hole entering valve body both ends, the inner wall of valve body can be hugged closely to the inflation gasbag circle, increases the leakproofness, and the sealing sleeve mouth of takeover one end can overlap in the outside at valve body both ends, avoids the bung hole to expose in the testing process, cooperates the bung hole simultaneously, can further increase the leakproofness, avoids atmospheric pressure to leak outward.

Drawings

FIG. 1 is a schematic view of the front view structure of the present invention;

FIG. 2 is a schematic view of the mounting structure between the holder and the slat of the present invention;

FIG. 3 is a schematic view of the connection structure between the connection tube and the air tube of the present invention;

fig. 4 is a schematic view of the internal cross-section sectional structure of the connection pipe of the present invention.

In the figure: 1. a valve body; 2. a holder; 3. mounting grooves; 31. laths; 32. a boosting screw; 4. sealing the sleeve opening; 5. taking over the pipe; 6. an air pipe; 61. a threaded outer tube; 62. plugging the opening; 63. an inflatable balloon ring; 64. sealing the rubber ring; 7. a three-way pipe; 8. a pressure inflator; 9. a rubber sheet; 10. and (4) sleeving a seat.

Detailed Description

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

Referring to fig. 1-4, the present invention provides a technical solution: a pressure test tool for a valve comprises a valve body 1, wherein a clamping seat 2 is installed on the outer side of the valve body 1, a mounting groove 3 is embedded in the bottom of the clamping seat 2, a batten 31 is fixedly installed inside the mounting groove 3, a sleeve seat 10 is movably sleeved on the surface of the batten 31, the sleeve seat 10 is fixedly connected with the bottom of the clamping seat 2, boosting screws 32 are movably installed at two ends of the batten 31, the internal structural size of the sleeve seat 10 is matched with the external structural size of the batten 31, the clamping seat 2 is in sliding connection with the batten 31 through the sleeve seat 10, a rubber sheet 9 is fixedly arranged on the inner wall of the clamping seat 2, the clamping seat 2 is movably connected with the boosting screws 32, the boosting screws 32 and the clamping seat 2 are arranged correspondingly, one end of the boosting screws 32 is movably connected with the outer wall of the clamping seat 2, and the clamping seat 2 is pushed to move along the surface of the batten 31 through the boosting screws 32, the distance between the clamping seat 2 is convenient to adjust, and the valve body 1 is clamped and positioned;

the two ends of the valve body 1 are sleeved with sealing sleeve openings 4, one end, far away from the valve body 1, of each sealing sleeve opening 4 is connected with a connecting pipe 5, one end of each connecting pipe 5 is connected with an air pipe 6, one end of each air pipe 6 is integrally connected with a plug opening 62, an expansion air bag ring 63 is fixed on the surface of the outer side of each plug opening 62, a threaded outer pipe 61 is fixedly arranged on the surface of each air pipe 6, a sealing rubber ring 51 is arranged between the inner wall of each connecting pipe 5 and the threaded outer pipe 61, the connecting pipes 5 are in threaded connection with the threaded outer pipes 61, the internal structural size of the sealing sleeve openings 4 at one ends of the connecting pipes 5 is matched with the external structural size of the two ends of the valve body 1, and through the arrangement of the connecting pipes 5, the positions of the outer sides of the one ends of the air pipes 6 can be adjusted through the threaded connection structures between the connecting pipes 5 and the threaded outer pipes 61, the plug openings 62 at one ends of the air pipes 6 can be conveniently leaked, and the plug openings 62 can be conveniently plugged into the two ends of the valve body 1;

the tee pipe 7 is installed to the one end that the trachea 6 was kept away from and is taken over 5, and one of them one end of tee pipe 7 is connected with pressure aerator 8, the diameter of bung hole 62 is identical with valve body 1 both ends internal diameter, and interconnect between bung hole 62 and trachea 6 is passed through to the inside of valve body 1, through packing into inside the both ends of valve body 1 with bung hole 62, let interconnect between valve body 1 and the trachea 6, pressure aerator 8 can pass through trachea 6 and inflate the inside of valve body 1 with gas, increase the inside atmospheric pressure of valve body 1, and then test whether there is the condition of leaking inside the valve body 1.

The working principle is as follows: for the pressure testing tool for the valve, firstly, the valve body 1 is installed in the middle of the clamping seat 2, the clamping seat 2 is pushed towards two sides of the valve body 1 by utilizing the threaded connection between the lath 31 and the boosting screw rod 32, the valve body 1 is clamped and positioned, secondly, the plug 62 at one end of the air pipe 6 is plugged into the inner parts of two ends of the valve body 1, the expansion air bag ring 63 can be tightly attached to the inner wall of the valve body 1 after the plug 62 is plugged into the inner part of the valve body 1, the sealing performance is improved, then, the connecting pipe 5 is moved towards two ends of the valve body 1 by utilizing the threaded connection between the connecting pipe 5 and the threaded outer pipe 61, so that the sealing sleeve opening 4 at one end of the connecting pipe 5 is sleeved on the outer sides of two ends of the valve body 1 and is matched with the plug 62, the sealing performance is improved, the plug 62 is prevented from being exposed in the testing process, and then, the pressure inflator 8 can fill air into the inner part of the valve body 1 through the air pipe 6, the air pressure in the valve body 1 is increased, and the pressure testing whether the leakage condition exists in the valve body 1 is further, and the whole pressure testing process of the pressure testing tool for testing is finished.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pressure testing frock for valve, includes valve body (1), its characterized in that: holder (2) are installed in the outside of valve body (1), and the bottom gomphosis of holder (2) installs mounting groove (3), the inside fixed mounting of mounting groove (3) has slat (31), and the surperficial activity of slat (31) has cup jointed cover seat (10), be fixed connection between the bottom of cover seat (10) and holder (2), the both ends movable mounting of slat (31) has boosting screw rod (32), sealed cuff (4) have been cup jointed at the both ends of valve body (1), and the one end that valve body (1) was kept away from in sealed cuff (4) is connected with takeover (5), the one end of takeover (5) is connected with trachea (6), trachea (6) are kept away from the one end of takeover (5) and are installed three-way pipe (7), and the wherein one end of three-way pipe (7) is connected with pressure inflator (8).

2. The pressure test tool for the valve according to claim 1, characterized in that: the internal structure size of the sleeve seat (10) is matched with the external structure size of the lath (31), and the clamping seat (2) is in sliding connection with the lath (31) through the sleeve seat (10).

3. The pressure test tool for the valve according to claim 1, characterized in that: the inner wall of the clamping seat (2) is fixedly provided with a rubber sheet (9), the clamping seat (2) is movably connected with the boosting screw rod (32), and the boosting screw rod (32) and the clamping seat (2) are arranged correspondingly.

4. The pressure test tool for the valve according to claim 1, characterized in that: one end integration of trachea (6) is connected with stopper mouth (62), and the outside fixed surface of stopper mouth (62) has inflatable air bag circle (63), the fixed surface of trachea (6) is provided with screw thread outer tube (61), be provided with between the inner wall of takeover (5) and screw thread outer tube (61) sealing rubber ring (51).

5. The pressure test tool for the valve according to claim 4, characterized in that: the connecting pipe (5) is in threaded connection with the threaded outer pipe (61), and the internal structure size of the sealing sleeve opening (4) at one end of the connecting pipe (5) is matched with the external structure size at two ends of the valve body (1).

6. The pressure test tool for the valve according to claim 4, characterized in that: the diameter of the plug port (62) is matched with the inner diameters of two ends of the valve body (1), and the interior of the valve body (1) is connected with the air pipe (6) through the plug port (62).