CN217519666U

CN217519666U - Helium gas charging valve

Info

Publication number: CN217519666U
Application number: CN202221136930.6U
Authority: CN
Inventors: 杨勇; 宫钦红; 张瑞福; 张�杰; 傅兴凯; 张贵强
Original assignee: Shandong Jiansen Energy Technology Co ltd
Current assignee: Shandong Jiansen Energy Technology Co ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-09-30
Anticipated expiration: 2032-05-13

Abstract

The utility model belongs to the technical field of gas valve, especially, relate to a helium inflation valve, including connecting pipe, valve component and seal assembly, be equipped with the ejector pin in two connecting pipes respectively, the valve component includes the standpipe with the connecting pipe intercommunication, slidable mounting has the stand in the standpipe, the upper portion lateral wall of stand is equipped with the external screw thread, the upper end of standpipe is rotated and is connected with the thread bush with external screw thread complex, the stand runs through and is equipped with first air vent and second air vent, the upper end fixedly connected with handle of stand, the sealed mounting has the check valve in the first air vent, seal assembly includes that two covers establish the rubber circle on the stand. The utility model discloses during the use, through the position of adjustment stand, can regard as ordinary ball valve to use, also can regard as the check valve of adjustable circulation direction to use, conveniently adjust the air current size moreover, satisfy the demand of multiple application scene to the integrated level is higher, simple structure, convenient to use.

Description

Helium gas charging valve

Technical Field

The utility model belongs to the technical field of gas valve equipment, especially, relate to a helium gas charging valve.

Background

Helium is a rare gas, has a chemical formula of He, is colorless and tasteless inert gas, has inactive chemical properties, is difficult to react with other substances in a general state, is commonly used as protective gas in industrial production, is generally contained in a high-pressure steel cylinder, and needs an inflation valve as a connecting piece when being filled with helium, so that the high-pressure steel cylinder is quickly connected with inflation equipment, and then the helium injection of the high-pressure steel cylinder is efficiently completed.

In prior art, traditional helium gas charging valve only is used for filling helium to the high pressure steel bottle, and the function is comparatively single, only can cooperate the charging connector to use to the uncontrollable air current size need set up extra control valve, uses comparatively inconveniently, and on the other hand also is comparatively troublesome when needs empty remaining helium and impurity in the high pressure steel bottle, for this reason, we propose a helium gas charging valve and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a helium gas charging valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the helium gas charging valve comprises two connecting pipes, a valve component and a sealing component, wherein ejector rods are respectively arranged in the two connecting pipes;

the valve component comprises a vertical pipe communicated with connecting pipes, the vertical pipe is arranged between the two connecting pipes, an upright post is arranged in the vertical pipe in a sliding manner, the side wall of the upper part of the upright post is provided with external threads, the upper end of the vertical pipe is rotationally connected with a thread sleeve matched with the external threads, the thread sleeve is axially and fixedly matched with the vertical pipe, the upright post is radially provided with a first vent hole and a second vent hole in a penetrating manner, the upper end of the upright post is fixedly connected with a handle, and a check valve is arranged in the first vent hole in a sealing manner;

the sealing assembly comprises two rubber rings sleeved on the stand column, the cross section of each rubber ring is triangular, a convex block is arranged on the inner wall of each rubber ring, and an annular groove matched with the convex block is formed in the side wall of the stand column.

As an improved technical scheme, a first bevel gear is fixedly sleeved on the handle, a support is fixedly connected to the side wall of the upper portion of the vertical pipe, a second bevel gear meshed with the first bevel gear is connected to the support in a rotating mode, and a shifting lever is connected to the end portion of the second bevel gear.

As a further improved technical scheme, the end part of the second bevel gear is fixedly connected with a round rod, a one-way bearing is fixedly sleeved on the round rod, and the deflector rod is fixedly connected with the outer wall of the one-way bearing.

As a further improved technical scheme, the first vent hole is positioned above the second vent hole, and two ends of the first vent hole and the second vent hole are fixedly connected with sealing rings.

As a further improved technical scheme, the inner wall of the connecting pipe is fixedly connected with a supporting rod, one end, close to each other, of the supporting rod is fixedly connected with a circular ring, the inner wall of the circular ring is provided with internal threads, and the ejector rod is in threaded connection with the circular ring.

Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:

the utility model provides a helium inflation valve sets up the valve member, when using, the handle is lived to the revolving screw thread cover, can make stand axial displacement, when second vent hole corresponds with the connecting pipe, can regard as ordinary ball valve to use, when adjusting the stand position and making first vent hole and connecting pipe correspond, because install the check valve in the first vent pipe, can regard as one-way inflation valve to use, satisfy the demand of multiple application scene to the integrated level is higher, simple structure, convenient to use.

The sealing component is arranged to drive the rubber ring to move synchronously when the upright post moves up and down, so that the rubber ring is inserted into the gap between the upright post and the inner wall of the vertical pipe to ensure the air tightness of the valve component,

the first bevel gear and the second bevel gear are arranged, when the first bevel gear and the second bevel gear are meshed and matched, the first air vent corresponds to the connecting pipe, the position of the first air vent can be adjusted more finely by a user, and the size of air flow of the valve assembly can be adjusted more conveniently.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic side view of an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a column according to an embodiment of the present invention;

in the figure, 1-a connecting pipe, 2-an ejector rod, 3-a vertical pipe, 4-an upright post, 5-a threaded sleeve, 6-a first vent hole, 7-a second vent hole, 8-a handle, 9-a rubber ring, 10-a bracket, 11-a first bevel gear, 12-a second bevel gear, 13-a deflector rod, 14-a round rod, 15-a sealing ring, 16-a round ring and 17-a supporting rod.

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.

Referring to fig. 1-3, a helium inflation valve, including connecting pipe 1, valve component and seal assembly, connecting pipe 1 is equipped with two, be equipped with ejector pin 2 in two connecting pipes 1 respectively, the inner wall fixedly connected with bracing piece 17 of connecting pipe 1, the one end fixedly connected with ring 16 that bracing piece 17 is close to each other, the internal thread has been seted up to the inner wall of ring 16, ejector pin 2 and ring 16 threaded connection, ejector pin 2 is used for cooperating the charging connector to use, be used for pushing up the valve inside in the charging connector, and threaded connection's mode is convenient to be dismantled ejector pin 2 and adjust ejector pin 2 length, especially use under the condition of connecting other pipelines or valves, expand inflation valve's application scope.

In the embodiment, the valve component comprises a vertical pipe 3 communicated with the connecting pipes 1, the vertical pipe is arranged between the two connecting pipes 1, a vertical pipe 4 is slidably mounted in the vertical pipe 3, the side wall of the upper part of the vertical pipe 4 is provided with external threads, the upper end of the vertical pipe 3 is rotatably connected with a thread bushing 5 matched with the external threads, the thread bushing 5 is axially and fixedly matched with the vertical pipe 3, namely when the thread bushing 5 rotates, the relative position of the thread bushing 5 relative to the vertical pipe 3 in the axial direction is unchanged, the vertical pipe 4 is radially provided with a first vent hole 6 and a second vent hole 7 in a penetrating manner, the second vent hole 7 is arranged below the first vent hole 6, the upper end of the vertical pipe 4 is fixedly connected with a handle 8, a check valve is hermetically mounted in the first vent hole 6, the first vent hole 6 is arranged above the second vent hole 7, and both ends of the first vent hole 6 and the second vent hole 7 are fixedly connected with sealing rings 15, wherein a sealing structure and the like are arranged between the vertical pipe 13 and the vertical pipe 4 near the top end, realize sealed sliding connection between stand 4 and the standpipe 3, avoid gaseous from leaking between stand 4 and the standpipe 3.

When the valve component is needed to be used as a one-way valve, the handle 8 is held to enable the stand column 4 to be incapable of rotating, the threaded sleeve 5 is screwed to drive the stand column 4 to move, two ends of the first vent hole 6 are communicated with the connecting pipe 1, as shown in figure 1, in the using process, the handle 8 can be rotated to drive the stand column 4 to rotate circumferentially according to the specific using condition of inward inflation or outward inflation, the circulating direction of the one-way valve is changed, and the one-way valve is particularly suitable for the condition that the interior of a high-pressure steel cylinder is filled with gas and the gas inflation pressure is close to the high-pressure steel cylinder.

The seal assembly comprises two rubber rings 9 sleeved on the stand column 4, the cross section of each rubber ring 9 is triangular, the inner wall of each rubber ring 9 is provided with a convex block, the side wall of the stand column 4 is provided with an annular groove matched with the convex block, the rubber rings 9 can be ensured to move along with the stand column 4 in the axial direction, and when the stand column 4 is controlled to move up and down, the rubber rings 9 can be inserted into the gaps between the stand column 4 and the stand pipes 3, so that the air leakage is avoided.

In this embodiment, the fixed cover of handle 8 is equipped with first bevel gear 11, and the upper portion lateral wall fixedly connected with support 10 of standpipe 3 rotates on the support 10 and is connected with second bevel gear 12 with the meshing of first bevel gear 11, and the number of teeth of second bevel gear 12 is less than the number of teeth of first bevel gear 11, and the tip fixedly connected with round bar 14 of second bevel gear 12, the fixed cover is equipped with one-way bearing, one-way bearing's outer wall fixed connection driving lever 13 on the round bar 14.

When first air vent 6 communicates with connecting pipe 1, can adjust the air current size through the mode of twist grip 8, but use on high-pressure gas transport, manual regulation is difficult to accurate regulation and control, and set up behind first bevel gear 11 and the second bevel gear 12, can utilize the drive ratio difference between two gears, more accurate adjusts 4 rotation to the stand, and set up driving lever 13 cooperation one-way bearing, stir the driving lever 13 and make things convenient for the less second bevel gear 12 of turning dimension, and owing to can be with handle 8 secondary adjustment stand 4 positions, one-way pivoted second bevel gear 12 can satisfy the user demand already.

In this embodiment, when the second vent hole 7 is adjusted to correspond to the connection pipe 1, the first bevel gear 11 and the second bevel gear 12 are in a disengaged state, and at this time, the flow rate is adjusted by using the handle 8, and when the first vent hole 6 corresponds to the connection pipe 1, the first bevel gear 11 and the second bevel gear 12 are in an engaged state, and the flow rate can be adjusted by matching the handle 8 with the first bevel gear 11 and the second bevel gear 12.

The utility model provides a helium inflation valve, during the use, can utilize 5 positions of adjusting stand 4 of thread bush, can use as ordinary ball valve, also can regard as the check valve of adjustable circulation direction to use, conveniently adjusts the air current size moreover, satisfies the demand of multiple application scene to the integrated level is higher, simple structure, convenient to use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The helium gas charging valve comprises two connecting pipes, a valve component and a sealing component, and is characterized in that ejector rods are respectively arranged in the two connecting pipes;

the valve component comprises a vertical pipe communicated with connecting pipes, the vertical pipe is arranged between the two connecting pipes, an upright post is arranged in the vertical pipe in a sliding mode, external threads are arranged on the side wall of the upper portion of the upright post, a threaded sleeve matched with the external threads is rotatably connected to the upper end of the vertical pipe, the threaded sleeve is axially and fixedly matched with the vertical pipe, a first vent hole and a second vent hole penetrate through the upright post in the radial direction, a handle is fixedly connected to the upper end of the upright post, and a one-way valve is arranged in the first vent hole in a sealing mode;

2. The helium inflation valve as claimed in claim 1, wherein said handle is fixedly attached with a first bevel gear, a support is fixedly attached to the upper side wall of said vertical tube, a second bevel gear engaged with said first bevel gear is rotatably attached to said support, and a driving lever is attached to the end of said second bevel gear.

3. The helium gas charging valve as claimed in claim 2, wherein a round bar is fixedly connected to the end of said second bevel gear, a one-way bearing is fixedly sleeved on said round bar, and said shift lever is fixedly connected to the outer wall of said one-way bearing.

4. The helium inflation valve of claim 1, wherein said first vent hole is located above said second vent hole, and a sealing ring is fixedly attached to each of said first and second vent holes.

5. The helium gas charging valve as claimed in claim 1, wherein a support rod is fixedly connected to the inner wall of said connecting tube, a circular ring is fixedly connected to the end of said support rod adjacent to each other, an internal thread is formed on the inner wall of said circular ring, and said push rod is in threaded connection with said circular ring.