CN216978594U

CN216978594U - Gas cylinder hydrostatic test detects quick-operation joint

Info

Publication number: CN216978594U
Application number: CN202220499849.8U
Authority: CN
Inventors: 刘阳; 陈琳
Original assignee: Shenyang Meiyin Joint Testing Co ltd
Current assignee: Shenyang Meiyin Joint Testing Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-07-15
Anticipated expiration: 2032-03-08

Abstract

The utility model relates to the technical field of gas cylinder detection, in particular to a quick joint for gas cylinder hydrostatic test detection, which comprises a sleeve rod and a hollow central shaft movably penetrating through the sleeve rod, wherein the top of the sleeve rod is connected with a first cylinder through a connecting sleeve, the top of the inner side of the connecting sleeve is provided with a second cylinder, the output end of the second cylinder is fixed with the top of the central shaft, the top of the side wall of the central shaft is connected with a water filling pipe, the bottom end of the central shaft is fixedly provided with a connecting head, the central shaft is communicated with the inside of a gas cylinder body through the connecting head, a cylindrical rubber sleeve is connected between the bottom end of the sleeve rod and the connecting head, and two ends of the rubber sleeve are respectively fixedly sleeved with the sleeve rod and the connecting head in a sealing manner. According to the utility model, the rubber sleeve is arranged between the sleeve rod and the central shaft, after the connector is inserted into the gas cylinder body, the central shaft and the connector are pulled to move upwards, so that the rubber sleeve is inflated and expanded to block the connection part of the gas cylinder body and the bottle opening, and the sealing effect of the connector and the gas cylinder body is effectively improved.

Description

Gas cylinder hydrostatic test detects quick-operation joint

Technical Field

The utility model relates to the technical field of gas cylinder detection, in particular to a quick joint for gas cylinder hydrostatic test detection.

Background

The gas cylinders are used as loading tools for various gases, are widely applied to the aspects of daily life and industrial production of people, are large in number, are frequently moved and repeatedly reassembled, are often harsh in use environment, bring serious loss to lives and properties of people once explosion happens, and have great influence on social safety; in order to enhance the safety supervision of the gas cylinders, ensure the safe use of the gas cylinders and protect the personal and property safety, each gas cylinder needs to be checked one by one and detected periodically, so that a special experimental device is required to be used for detecting the gas cylinders, and a hydraulic pressure experimental device outside the gas cylinders is a common detection experimental device.

The patent with the prior publication number of CN214224739U provides a gas cylinder hydrostatic test detects quick-operation joint, and it utilizes the toper part of expansion link bottom to promote the sealed bobbin bottom of split and open chucking gas cylinder screw thread through setting up the sealed bobbin of split, seals the gas cylinder connector effectively, not only saves sealed thread seal tape, still alleviates personnel's intensity of labour. However, the joint adopts a mode of clamping and fixing the threads of the opening of the gas cylinder to seal the gas cylinder, so that the sealing effect is not ideal enough, the threads of the opening of the gas cylinder are easy to damage, and even the gas cylinder body is scrapped.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the quick joint for detecting the hydraulic pressure test of the gas cylinder, which can effectively improve the sealing property between the joint and the gas cylinder body and solve the problem of poor connection sealing property between the existing joint and the gas cylinder body.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a gas cylinder hydrostatic test detects quick-operation joint, runs through including loop bar and activity the loop bar just is hollow center pin, the loop bar top is connected with first cylinder through the adapter sleeve, the output is installed at the inboard top of adapter sleeve with the fixed second cylinder in center pin top, center pin lateral wall top is connected with water filling pipe, the center pin bottom mounting has the connector, the center pin communicates with each other through connector and gas cylinder bottle are inside, the loop bar bottom with be connected with cylindric gum cover between the connector, the gum cover both ends respectively with the loop bar with the connector is sealed cup joint fixedly.

Optionally, the inside at loop bar both ends all installs the sealing washer, the sealing washer inboard with the center pin outer wall is laminated mutually.

Optionally, the connector bottom is connected with the drinking-water pipe of rubber material, the bottom extends to the interior bottom of gas cylinder bottle.

Optionally, the connecting sleeve is of a cylindrical structure, two sides of the bottom of the connecting sleeve are fixed to the side wall of the sleeve rod through screws, a notch is formed in the side wall of the connecting sleeve along the height direction, and the water filling pipe penetrates through the notch.

Optionally, a travel switch is installed on one side wall of the connecting sleeve to limit the lower limit of the vertical movement of the connecting sleeve.

Optionally, the travel switch is fixed with the connecting sleeve through an L-shaped mounting plate, the mounting plate is fixed with the side wall of the connecting sleeve through a fixing bolt, and the side wall of the connecting sleeve is provided with a plurality of fixing holes matched with the fixing bolt along the height direction.

Compared with the prior art, the utility model provides a quick joint for detecting the hydrostatic test of a gas cylinder, which has the following beneficial effects:

1. according to the utility model, the rubber sleeve is arranged between the sleeve rod and the central shaft, the connector is inserted into the gas cylinder body, when the rubber sleeve is positioned at the joint of the gas cylinder body and the bottle opening, the central shaft and the connector are pulled to move upwards to enable the rubber sleeve to inflate and expand to block the joint of the gas cylinder body and the bottle opening, so that the joint of the connector and the bottle opening is sealed, compared with the traditional method of sealing at the thread position of the bottle opening, the sealing effect of the gas cylinder body is effectively improved, and the thread of the bottle opening can be prevented from being extruded and damaged;

2. according to the utility model, the water pumping pipe is connected to the connecting head at the bottom end of the central shaft, so that water in the gas cylinder body can be pumped out through the water pumping pipe after the gas cylinder is detected, and the gas cylinder can conveniently and rapidly enter the next process;

3. according to the utility model, the travel switch is arranged on the side wall of the connecting sleeve, and when the travel switch is contacted with the top of the bottle opening, the rubber sleeve is just positioned at the connecting part of the gas bottle body and the bottle opening, so that the rubber sleeve can accurately seal the bottle opening.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the connection sleeve and the travel switch of the present invention;

FIG. 3 is a schematic structural view of the present invention in a state clamped with a gas cylinder;

fig. 4 is a schematic view of the structure of the insertion bottle mouth of the utility model.

In the figure: 1. a gas cylinder body; 2. a bottle mouth; 3. a loop bar; 4. a central shaft; 5. a connector; 6. a second cylinder; 7. connecting sleeves; 70. a notch; 71. a fixing hole; 8. a first cylinder; 9. a water filling pipe; 10. a rubber sleeve; 11. a seal ring; 12. a water pumping pipe; 13. a travel switch; 14. mounting a plate; 15. and (5) fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1 to 4, an embodiment of the present invention provides a technical solution: a quick connector for detecting the hydrostatic test of a gas cylinder comprises a sleeve rod 3 and a hollow central shaft 4 movably penetrating through the sleeve rod 3, the top of the sleeve rod 3 is connected with a first cylinder 8 through a connecting sleeve 7, the top of the inner side of the connecting sleeve 7 is provided with a second cylinder 6 of which the output end is fixed with the top end of the central shaft 4, the top of the side wall of the central shaft 4 is connected with a water filling pipe 9, the connecting sleeve 7 is of a cylindrical structure, two sides of the bottom of the connecting sleeve 7 are fixed with the side wall of the sleeve rod 3 through screws, the side wall of the connecting sleeve 7 is provided with a notch 70 along the height direction, the water filling pipe 9 penetrates through the notch 70, the bottom end of the central shaft 4 is fixedly provided with a connector 5, the central shaft 4 is communicated with the inside of a gas cylinder bottle body 1 through the connector 5, a cylindrical rubber sleeve 10 is connected between the bottom end of the sleeve rod 3 and the connector 5, two ends of the rubber sleeve 10 are respectively fixedly sleeved with the sleeve rod 3 and the connector 5 in a sealing way, the first cylinder 8 pushes the connector to integrally move downwards, when the rubber sleeve 10 is positioned at the joint of the gas bottle body 1 and the bottle opening 2, utilize 6 pulling center pin 4 of second cylinder and 5 upshifts of connector, at this moment, the gum cover 10 aerifys the inflation and plugs up

gas cylinder body

1 and 2 junctions of bottleneck, realize connecting sealed with bottleneck 2, adopt gum cover 10 to carry out the flexible seal to

gas cylinder body

1 and 2 junctions of bottleneck, compare the tradition and seal in the screw thread department of bottleneck 2, improved gas cylinder body 1's sealed effect effectively, can avoid 2 screws of bottleneck to be damaged by the extrusion moreover.

On the basis of above-mentioned embodiment, sealing washer 11 is all installed to the inside at the loop bar 3 both ends of this embodiment, and sealing washer 11 inboard is laminated with 4 outer walls of center pin mutually, and sealing washer 11 can prevent to appear leaking gas between center pin 4 and the loop bar 3, and then avoids gum cover 10 to leak gas for gum cover 10 can normally expand and swell.

On the basis of above-mentioned embodiment, 5 bottoms of connector of this embodiment are connected with the drinking-water pipe 12 of rubber material, and the bottom extends to the interior bottom of gas cylinder bottle 1 in 12 bottoms of drinking-water pipe, and the gas cylinder detects the completion back, and accessible drinking-water pipe 12 takes out the inside water of gas cylinder bottle 1 away, and the gas cylinder of being convenient for enters into next process fast.

On the basis of the above embodiment, travel switch 13 is installed on one side wall of connecting sleeve 7 of this embodiment to limit the lower limit of vertical movement of connecting sleeve 7, and when travel switch 13 contacted the top of bottleneck 2, gum cover 10 just was located the junction of gas cylinder bottle 1 and bottleneck 2, and gum cover 10 can carry out accurate sealing to bottleneck 2 like this.

On the basis of the above embodiment, the travel switch 13 of the embodiment is fixed with the connecting sleeve 7 through an L-shaped mounting plate 14, the mounting plate 14 is fixed with the side wall of the connecting sleeve 7 through a fixing bolt 15, the side wall of the connecting sleeve 7 is provided with a plurality of fixing holes 71 matched with the fixing bolt 15 along the height direction, and the travel switch 13 is mounted at different heights of the side wall of the connecting sleeve 7, so that the air cylinder with the mouth 2 free of depth can be sealed, and the wide applicability of the joint is improved.

The working principle is as follows: firstly, connecting a water filling pipe 9 of a joint with an external high-pressure pump, placing a gas cylinder to be detected in a water jacket and fixing, then, moving a first cylinder 8 to push the whole joint to move downwards, when a rubber sleeve 10 reaches the joint of a gas cylinder body 1 and a cylinder opening 2, stopping the movement of the first cylinder 8, starting a second cylinder 6, pulling a central shaft 4 and a connector 5 at the bottom end of the central shaft 4 upwards by the second cylinder 6, gradually expanding the rubber sleeve 10 in the pulling process until the joint of the gas cylinder body 1 and the cylinder opening 2 is sealed and blocked, then, filling water into the gas cylinder to be detected by the high-pressure pump through the water filling pipe 9, the central shaft 4, the connector 5 and a water pumping pipe 12 and carrying out pressurization detection, after the gas cylinder detection is finished, pumping the water in the gas cylinder body 1 away through the water pumping pipe 12, then, pushing the central shaft 4 and the connector 5 downwards by the second cylinder 6, shrinking the rubber sleeve 10, and finally, the entire joint is removed from the cylinder by means of the first cylinder 8.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gas cylinder hydrostatic test detects quick-operation joint which characterized in that: run through including loop bar (3) and activity loop bar (3) and be hollow center pin (4), loop bar (3) top is connected with first cylinder (8) through adapter sleeve (7), the output is installed at adapter sleeve (7) inboard top with center pin (4) top fixed second cylinder (6), center pin (4) lateral wall top is connected with fills water pipe (9), center pin (4) bottom mounting has connector (5), center pin (4) communicate with each other with gas cylinder bottle (1) inside through connector (5), loop bar (3) bottom with be connected with cylindric gum cover (10) between connector (5), gum cover (10) both ends respectively with loop bar (3) with connector (5) sealed cup joint is fixed.

2. A gas cylinder hydrostatic test detects quick-operation joint of claim 1 characterized in that: sealing rings (11) are installed inside the two ends of the loop bar (3), and the inner sides of the sealing rings (11) are attached to the outer wall of the central shaft (4).

3. A gas cylinder hydrostatic test detects quick-operation joint of claim 1 characterized in that: connector (5) bottom is connected with drinking-water pipe (12) of rubber material, bottom in drinking-water pipe (12) bottom extends to gas cylinder bottle (1).

4. A gas cylinder hydrostatic test detects quick-operation joint of claim 3 characterized in that: the connecting sleeve (7) is of a cylindrical structure, two sides of the bottom of the connecting sleeve (7) are fixed to the side wall of the sleeve rod (3) through screws, a notch (70) is formed in the side wall of the connecting sleeve (7) in the height direction, and the water filling pipe (9) penetrates through the notch (70).

5. A gas cylinder hydrostatic test detects quick-operation joint of claim 1 characterized in that: a travel switch (13) is installed on one side wall of the connecting sleeve (7) to limit the lower limit of the vertical movement of the connecting sleeve (7).

6. A gas cylinder hydrostatic test detects quick-operation joint of claim 5 characterized in that: travel switch (13) through an L type mounting panel (14) with adapter sleeve (7) are fixed, mounting panel (14) are fixed through fixing bolt (15) and adapter sleeve (7) lateral wall, adapter sleeve (7) lateral wall along the direction of height open have a plurality of with fixing hole (71) of fixing bolt (15) looks adaptation.