CN213629888U

CN213629888U - Carbon dioxide gas cylinder that leakproofness is strong fills dress and connects

Info

Publication number: CN213629888U
Application number: CN202022738122.4U
Authority: CN
Inventors: 蔡文市; 陈艺东; 杨清玲; 陈芳; 蓝燕惠
Original assignee: Zhangzhou Yuchang Huoyuan Gas Co ltd
Current assignee: Zhangzhou Yuchang Huoyuan Gas Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-07-06
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a carbon dioxide gas cylinder that leakproofness is strong fills dress and connects relates to the gas cylinder and fills dress technical field. The utility model comprises a pipe body, a lantern ring is fixedly connected with the outer side of the bottom of the pipe body, a protective pipe is fixedly connected with the bottom of the lantern ring, an elastic membrane block is fixedly arranged on the lower part of the protective pipe, a purifying ball is fixedly arranged at the middle position inside the lantern ring, a telescopic pipe is movably arranged at the middle position of the top of the lantern ring, a receiving plate is fixedly connected with the top of the telescopic pipe, and a support rod is arranged around the outer; the utility model discloses an encircle to set up the lantern ring bottom the body to encircle inside in the lantern ring and hug closely and set up the sealing washer, make to connect the end of giving vent to anger can prevent gas leakage with the inseparable seamless butt joint of gas cylinder, the cooperation sets up the elastic membrane piece simultaneously, can be further sealed leak protection and handle, through setting up the gas valve piece at the breather pipe inlet end, the airtight leak protection gas nature of intake pipe department can be guaranteed to the gas valve piece under the cooperation of airtight ring and spring shaft.

Description

Carbon dioxide gas cylinder that leakproofness is strong fills dress and connects

Technical Field

The utility model relates to a gas cylinder fills dress technical field, specifically is a carbon dioxide gas cylinder that leakproofness is strong fills dress and connects.

Background

The carbon dioxide gas cylinder is generally used for fields of fire extinguishing, cutting, welding and the like, generally has the characteristics of high pressure and high tightness, and gas can possibly leak out if the tightness is not enough in place in a high-pressure environment, so that the phenomenon of gas cylinder explosion can be caused seriously; the existing carbon dioxide gas cylinder has the defect that the tightness of the existing carbon dioxide gas cylinder is mainly overcome by the fact that on a gas charging connector, the connector cannot be well butted and plays a role in tightness when being connected with an external charging structure, so that gas leakage can occur during charging, and further, the waste of gas charging and the existence of potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the leakproofness defect of current carbon dioxide gas cylinder and mainly be on gaseous filling joint, because connect and outside aerify the butt joint that can not be fine and play inclosed effect when structural connection for can take place gas leakage's phenomenon when aerifing, and then cause the problem of the waste of gas filling and the existence of potential safety hazard, provide a carbon dioxide gas cylinder that the leakproofness is strong and fill the dress and connect.

In order to achieve the above object, the utility model provides a following technical scheme: a carbon dioxide gas cylinder filling joint with high sealing performance comprises a pipe body, wherein a lantern ring is fixedly connected to the outer side of the bottom of the pipe body, a protective pipe is fixedly connected to the bottom of the lantern ring, an elastic membrane block is fixedly arranged at the lower part of the protective pipe, and an air outlet pipe is fixedly connected to the bottom of the protective pipe; the cleaning device comprises a pipe body, a cleaning ball, a vent pipe, a telescopic pipe, a support rod and a cleaning device, wherein the cleaning ball is fixedly arranged at the middle position in the pipe body, the vent pipe penetrates through the middle in the pipe body, a receiving groove is fixedly formed in the top of the pipe body, the telescopic pipe is movably arranged at the middle position of the receiving groove, a receiving plate is fixedly connected to the top of the telescopic pipe, the support rod is arranged around the outer side of the telescopic; the breather pipe top fixedly connected with intake pipe, intake pipe and breather pipe junction activity are provided with the air valve piece.

Preferably, the lantern ring is in a reversed concave shape, and a layer of sealing ring is closely attached to the concave part of the lantern ring in a surrounding mode.

Preferably, the vent pipe penetrates through the middle of the telescopic pipe, the pipe body, the lantern ring and the protective pipe, and the air inlet pipe and the air outlet pipe are both in a round table shape.

Preferably, the material of the interior of the elastic membrane block is elastic plastic, and the whole appearance of the elastic membrane block is in an arc shape protruding downwards.

Preferably, the telescopic pipe wall is provided with spring pipes with equal length in a surrounding mode, the spring pipes are internally composed of double-spiral spring wires, four support rods are fixedly arranged, and the four support rods are symmetrically distributed on the side of the telescopic pipe in a surrounding mode.

Preferably, the purification ball is in a hollow circular sphere shape, the hollow part in the purification ball is composed of a filter screen, and the mesh size of the filter screen is smaller than PM 1.0.

Preferably, the number of the air valve plates is two, a pair of sealing rings is movably arranged at the joint of the two air valve plates, and two sides of each sealing ring are movably connected with the inner part of the telescopic pipe through two spring shafts.

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

1. the utility model discloses a set up the lantern ring in encircleing at the body bottom, the lantern ring is whole to be the character cut in bas-relief that puts, can utilize the depressed part to closely laminate with outside structure, and encircle to hug closely in the lantern ring inside and set up the sealing washer, make the joint end of giving vent to anger can closely seamless butt joint with the gas cylinder, prevent gas leakage, cooperate simultaneously to set up the elastic membrane piece, the elastic membrane piece sets up to the arc form of downward arch, can utilize elastic plastic body to make the membrane piece automatic opening downwards, and then closely laminate with outside structure, can further carry out the leak protection processing of sealing;

2. the utility model discloses a set up the intake pipe and the outlet duct of round platform shape, can utilize the gradual change of round platform pipe diameter to make gaseous conduction have certain buffering, through setting up the air valve piece at the breather pipe inlet end, and set up the airtight ring in air valve piece handing-over department, can utilize the effect and the function that open and shut of airtight ring realized admitting air and prevent gas leakage, set up spring shaft and flexible intraductal wall connection on the airtight ring simultaneously, make the air valve piece can realize the automatic function that opens and shuts, through setting up the ball that purifies, it is less than PM 1.0's filter screen to set up the aperture inside the ball that purifies, can purify carbon dioxide gas.

Drawings

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

FIG. 2 is a schematic view of the cross-sectional structure of the present invention;

fig. 3 is a schematic view of the connection structure between the air inlet pipe and the air vent pipe of the present invention.

In the figure: 1. a pipe body; 2. a collar; 201. a seal ring; 3. a protective tube; 4. an elastic membrane block; 5. an air outlet pipe; 6. a telescopic pipe; 601. a spring tube; 7. an air inlet pipe; 8. a bearing plate; 9. a support bar; 10. a receiving groove; 11. purifying the ball; 1101. filtering with a screen; 12. a breather pipe; 13. an air valve plate; 1301. a closed ring; 1302. a spring shaft.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" 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 in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

All mentioned in the utility model can be ordered in the market or private.

Referring to fig. 1-3, a carbon dioxide gas cylinder filling joint with strong sealing performance comprises a pipe body 1, wherein the outer side of the bottom of the pipe body 1 is fixedly connected with a lantern ring 2, the bottom of the lantern ring 2 is fixedly connected with a protective pipe 3, the lower part of the protective pipe 3 is fixedly provided with an elastic membrane block 4, and the bottom of the protective pipe 3 is fixedly connected with an air outlet pipe 5; a purification ball 11 is fixedly arranged at the middle position in the pipe body 1, a vent pipe 12 penetrates through the middle in the pipe body 1, a bearing groove 10 is fixedly formed in the top of the pipe body 1, a telescopic pipe 6 is movably arranged at the middle position of the bearing groove 10, a bearing plate 8 is fixedly connected to the top of the telescopic pipe 6, a support rod 9 is arranged outside the telescopic pipe 6 in a surrounding mode, and the support rod 9 is connected with the bearing plate 8 and the pipe body 1; the top end of the vent pipe 12 is fixedly connected with an air inlet pipe 7, and an air valve plate 13 is movably arranged at the joint of the air inlet pipe 7 and the vent pipe 12.

Please refer to fig. 1-2, the lantern ring 2 is in a shape of inverted concave, a layer of sealing ring 201 is closely attached around the concave part of the lantern ring 2, the air pipe 12 penetrates through the middle of the extension pipe 6, the pipe body 1, the lantern ring 2 and the protection pipe 3, the air inlet pipe 7 and the air outlet pipe 5 are in a shape of circular truncated cone, the elastic film block 4 is made of elastic plastic, the whole shape of the elastic film block 4 is in an arc shape protruding downwards, the pipe wall of the extension pipe 6 is provided with spring pipes 601 with equal length in a surrounding manner, the spring pipes 601 are composed of double-spiral spring wires, four support rods 9 are fixedly arranged, the four support rods 9 are symmetrically distributed around the side of the extension pipe 6, the purification ball 11 is in a shape of a hollow circular ring with the inside, the hollow part of the purification ball 11 is composed of a filter screen 1101.

Please refer to fig. 3, two air valve plates 13 are provided, a pair of sealing rings 1301 is movably provided at the joint of the two air valve plates 13, and two sides of the sealing rings 1301 are movably connected with the inside of the telescopic pipe 6 through two spring shafts 1302.

The working principle is as follows: firstly, determining the installation position of a filling joint on a gas cylinder, pre-installing and fixing a pipe body 1 to a specified position, tightly nesting the pipe body with an external structure through a lantern ring 2, preventing the occurrence of gas leakage under the sealing action of a sealing ring 201, and further preventing the occurrence of gas leakage through the embedment of an elastic membrane block 4 and the external structure; secondly, when inflation is needed, the inflation pipeline is connected with the air inlet pipe 7 and is pressed downwards with force, the inflation pipeline is made to move downwards to open the sealed ring 1301 through buffer compression of the spring pipe 601 inside the telescopic pipe 6, then the air valve plate 13 is separated, air can enter the vent pipe 12, when the inflation pipeline is evacuated, the sealed ring 1301 is automatically sealed under the action of the restoring force of the spring shaft 1302 to prevent the air from leaking backwards, and the stability of the whole joint when the inflation pipeline is pressed downwards can be guaranteed through the bearing and supporting action of the bearing plate 8 and the supporting rod 9; finally, gas enters the purification ball 11 through the vent pipe 12, large particle impurities in the gas can be removed under the filtration of the filter screen 1101, the purified gas enters the carbon dioxide gas cylinder along the gas outlet pipe 5, the gas filling function is realized, and the vent pipe 12 can be protected from being collided and damaged through the protection effect of the protection pipe 3.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The carbon dioxide gas cylinder filling joint with high sealing performance comprises a pipe body (1), and is characterized in that the outer side of the bottom of the pipe body (1) is fixedly connected with a lantern ring (2), the bottom of the lantern ring (2) is fixedly connected with a protective pipe (3), the lower part of the protective pipe (3) is fixedly provided with an elastic membrane block (4), and the bottom of the protective pipe (3) is fixedly connected with an air outlet pipe (5); a purification ball (11) is fixedly arranged at the middle position in the pipe body (1), a vent pipe (12) penetrates through the middle in the pipe body (1), a bearing groove (10) is fixedly formed in the top of the pipe body (1), a telescopic pipe (6) is movably arranged at the middle position of the bearing groove (10), a bearing plate (8) is fixedly connected to the top of the telescopic pipe (6), a support rod (9) is arranged on the outer side of the telescopic pipe (6) in a surrounding mode, and the support rod (9) is connected with the bearing plate (8) and the pipe body (1); the air intake pipe (7) is fixedly connected to the top end of the vent pipe (12), and an air valve plate (13) is movably arranged at the joint of the air intake pipe (7) and the vent pipe (12).

2. A highly sealed carbon dioxide cylinder filling joint according to claim 1, characterized in that: the lantern ring (2) is in an inverted concave shape, and a layer of sealing ring (201) is closely attached to the concave position of the lantern ring (2) in a surrounding mode.

3. A highly sealed carbon dioxide cylinder filling joint according to claim 1, characterized in that: the ventilation pipe (12) penetrates through the middle of the extension pipe (6), the pipe body (1), the lantern ring (2) and the protection pipe (3), and the air inlet pipe (7) and the air outlet pipe (5) are in a round table shape.

4. A highly sealed carbon dioxide cylinder filling joint according to claim 1, characterized in that: the material of the interior of the elastic membrane block (4) is elastic plastic, and the whole appearance of the elastic membrane block (4) is in an arc shape protruding downwards.

5. A highly sealed carbon dioxide cylinder filling joint according to claim 1, characterized in that: the telescopic pipe (6) is characterized in that the pipe wall of the telescopic pipe (6) is provided with spring pipes (601) with equal length in a surrounding mode, the spring pipes (601) are internally composed of double spiral spring wires, four support rods (9) are fixedly arranged, and the four support rods (9) are symmetrically distributed on the side of the telescopic pipe (6) in a surrounding mode.

6. A highly sealed carbon dioxide cylinder filling joint according to claim 1, characterized in that: the purification ball (11) is in a hollow circular sphere shape, the hollow part in the purification ball (11) is composed of a filter screen (1101), and the mesh size of the filter screen (1101) is smaller than PM 1.0.

7. A highly sealed carbon dioxide cylinder filling joint according to claim 1, characterized in that: the two air valve plates (13) are arranged, a pair of airtight rings (1301) is movably arranged at the joint of the two air valve plates (13), and two sides of each airtight ring (1301) are movably connected with the inner part of each telescopic pipe (6) through two spring shafts (1302).