CN214037829U

CN214037829U - Hydrogen filling machine with high leakproofness aerifys head

Info

Publication number: CN214037829U
Application number: CN202022528517.1U
Authority: CN
Inventors: 薛宁超; 罗煜宇; 李昕
Original assignee: Guangdong Qingji Hydrogen Energy Co ltd
Current assignee: Guangdong Qingji Hydrogen Energy Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-08-24
Anticipated expiration: 2030-11-05

Abstract

The utility model relates to the technical field of hydrogen filling machines, in particular to a hydrogen filling machine with a high-tightness inflation head, which comprises a hydrogen filling machine, wherein the left side and the right side of the hydrogen filling machine are respectively provided with a U-shaped plate and a gas injection pipe, the U-shaped plate is provided with a rectangular groove, the top end of the gas injection pipe passes through the rectangular groove, and the top of the U-shaped plate on the gas injection pipe is sleeved with a disc; a hexagonal ring and a threaded column are sleeved on the gas injection pipe and above the disc; the threaded column is sleeved with a rubber ring and a sealing pipe; a rubber pipe is sleeved on the gas injection pipe and positioned at the top of the threaded column; the top of sealed tube is equipped with out the gas head, and the bottom of venthole is equipped with the intubate on giving vent to anger the head, the utility model discloses a cooperation between disc, hexagonal ring, screw post, rubber ring, sealed tube, rubber tube, the head of giving vent to anger and the intubate that sets up has solved present hydrogen filling machine and has gone up the gas injection pipe and fill the head installation back together, has great clearance between gas injection head and the gas injection pipe, the problem of easy gas leakage.

Description

Hydrogen filling machine with high leakproofness aerifys head

Technical Field

The utility model relates to a hydrogen filling machine technical field specifically is a hydrogen filling machine with head is aerifyd to high leakproofness.

Background

The hydrogen filling machine utilizes the mutual linkage of a filling machine control system and an SCADA station control system to complete a filling control strategy of the hydrogen filling machine, and gas in the hydrogen filling machine is used for filling hydrogen for the fuel cell vehicle.

After an air injection pipe and an air injection head on a hydrogen filling machine are installed together, a large gap is formed between the air injection head and the air injection pipe, and air leakage is easy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydrogen filling machine with head is aerifyd to high leakproofness to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a hydrogen filling machine with a high-sealing inflation head comprises the hydrogen filling machine, wherein a U-shaped plate and a gas injection pipe are arranged on the left side and the right side of the hydrogen filling machine respectively, a rectangular groove is formed in the U-shaped plate, the top end of the gas injection pipe penetrates through the rectangular groove, and a disc is sleeved on the gas injection pipe and positioned at the top of the U-shaped plate; a hexagonal ring and a threaded column are sleeved on the gas injection pipe and positioned above the disc, and the threaded column is positioned at the top of the hexagonal ring; the threaded column is sleeved with a rubber ring and a sealing tube, and the rubber ring is positioned at the bottom of the sealing tube; a rubber pipe is sleeved on the gas injection pipe and positioned at the top of the threaded column; the top of sealed tube is equipped with out the gas head, the bottom of the last venthole of gas head is equipped with the intubate, just the bottom of intubate stretches into in the gas injection pipe.

Preferably, the U-shaped plate is tightly adhered to the hydrogen filling machine, and one end of the gas injection pipe is in threaded connection with the hydrogen filling machine.

Preferably, the disc is closely bonded with the gas injection pipe, the diameter of the disc is greater than the width of the rectangular groove, the hexagonal ring and the threaded column are of an integrally formed structure, and the hexagonal ring and the threaded column are both closely bonded with the gas injection pipe.

Preferably, sealed tube, play gas head and intubate are integrated into one piece structure, screw thread post and sealed tube threaded connection, the intubate is pegged graft with the gas injection pipe and is cooperated.

Preferably, the diameter of the insertion pipe is equal to the inner diameter of the gas injection pipe, the diameter of the gas injection pipe is equal to the inner diameter of the rubber pipe, the diameter of the rubber pipe is equal to the inner diameter of the sealing pipe, and the diameter of the threaded column is equal to that of the rubber pipe.

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

according to the hydrogen filling machine with the high-sealing inflation head, the sealing pipe can be sleeved on the upper end of the gas injection pipe, the insertion pipe is inserted into the gas injection pipe, then the gas outlet head is pressed downwards and rotated, the sealing pipe is sleeved on the threaded column and continuously rotated, the sealing pipe extrudes the rubber ring, the threaded column extrudes the rubber pipe, the rubber ring and the rubber pipe are deformed, and a gap between the inflation head and the gas injection pipe can be completely blocked, so that gas leakage is avoided; the problem of on the present hydrogen filling machine back of gas injection pipe and the gas injection head installation together, there is great clearance between gas injection head and the gas injection pipe, easy gas leakage is solved.

Drawings

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

FIG. 2 is a schematic structural view of a U-shaped plate, a gas injection pipe and a disc in the present invention;

FIG. 3 is a schematic structural view of a part of explosion in the present invention;

fig. 4 is a detailed structural diagram of the interior of the middle sealing tube of the present invention.

The various reference numbers in the figures mean:

a hydrogen gas filling machine 1;

a U-shaped plate 2; a rectangular groove 21;

a gas injection pipe 3; a disc 31;

a hexagonal ring 4; a threaded post 41;

a rubber ring 5;

a sealing tube 6;

a rubber tube 7;

an air outlet head 8; a cannula 81.

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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

a hydrogen filling machine with a high-sealing inflation head comprises a hydrogen filling machine 1, wherein a U-shaped plate 2 and a gas injection pipe 3 are arranged on the left side and the right side of the hydrogen filling machine 1 respectively, a rectangular groove 21 is formed in the U-shaped plate 2, the top end of the gas injection pipe 3 penetrates through the rectangular groove 21, and a disc 31 is sleeved on the gas injection pipe 3 and positioned at the top of the U-shaped plate 2; a hexagonal ring 4 and a threaded column 41 are sleeved on the gas injection pipe 3 and above the disc 31, and the threaded column 41 is positioned at the top of the hexagonal ring 4; the threaded column 41 is sleeved with a rubber ring 5 and a sealing tube 6, and the rubber ring 5 is positioned at the bottom of the sealing tube 6; the rubber tube 7 is sleeved on the top of the threaded column 41 on the gas injection tube 3; the top of sealed tube 6 is equipped with out gas head 8, and the bottom of the venthole is equipped with intubate 81 on going out gas head 8, and intubate 81's bottom stretches into in the gas injection pipe 3.

Specifically, the U-shaped plate 2 is tightly adhered to the hydrogen filling machine 1, and one end of the gas injection pipe 3 is in threaded connection with the hydrogen filling machine 1, so that the stability of the structure is ensured, and gas leakage is avoided.

Further, disc 31 closely bonds with gas injection pipe 3, the diameter of disc 31 is greater than the width of rectangular channel 21, hexagonal ring 4 and screw post 41 are the integrated into one piece structure, hexagonal ring 4 and screw post 41 all closely bond with gas injection pipe 3, guarantee overall structure's stability, make the upper end of gas injection pipe 3 can block in rectangular channel 21, and support on U-shaped plate 2 through disc 31, make gas injection pipe 3 can hang in the air, avoid crushing gas injection pipe 3.

Concretely, sealed tube 6, play gas head 8 and intubate 81 are integrated into one piece structure, guarantee the stability of structure, and threaded

post

41 and 6 threaded connection of sealed tube make threaded post 41 can fix in sealed tube 6, and intubate 81 and gas injection pipe 3 are pegged graft and are cooperated, make intubate 81 can insert in the gas injection pipe 3, avoid the gas leakage in the gas injection pipe 3.

Further, the diameter of intubate 81 equals the internal diameter of gas injection pipe 3, prevent the gas leakage in the gas injection pipe 3, ensure that the gas in the gas injection pipe 3 can only get into out in the gas head 8 through intubate 81, the diameter of gas injection pipe 3 equals the internal diameter of rubber tube 7, the diameter of rubber tube 7 equals the internal diameter of sealed tube 6, make rubber tube 7 closely laminate with the circumference wall of gas injection pipe 3 and the inner wall of sealed tube 6, avoid having gas leakage, the diameter of screw post 41 and rubber tube 7 equals, make screw post 41 can seamlessly combine with rubber tube 7.

It is worth mentioning that when the rubber ring 5 and the rubber tube 7 are subjected to a large pressure, both the rubber ring 5 and the rubber tube 7 are deformed.

When the hydrogen filling machine with the high-sealing inflation head of the embodiment is used, the sealing tube 6 is held by hand, the sealing tube 6 is sleeved on the upper end of the gas injection tube 3, and the insertion tube 81 is inserted into the gas injection tube 3 from the top end of the gas injection tube 3; subsequently, push down gas outlet head 8 and rotate, make sealed tube 6 cover on screw post 41 and continue to rotate, let sealed tube 6 extrude rubber ring 5, and screw post 41 extrudes rubber tube 7, until rubber ring 5 and rubber tube 7 all produce deformation, make the bottom of rubber ring 5 and sealed tube 6 closely laminate, rubber tube 7 can closely laminate with the circumference wall of gas injection pipe 3 and the inner wall of sealed tube 6, at this moment, can block up the clearance between gas inlet head and the gas injection pipe 3 completely, avoid gas leakage.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a hydrogen filling machine with head is aerifyd to high leakproofness, includes hydrogen filling machine (1), its characterized in that: the hydrogen filling machine is characterized in that a U-shaped plate (2) and a gas injection pipe (3) are arranged on the left side and the right side of the hydrogen filling machine (1), a rectangular groove (21) is formed in the U-shaped plate (2), the top end of the gas injection pipe (3) penetrates through the rectangular groove (21), and a disc (31) is sleeved on the gas injection pipe (3) and positioned at the top of the U-shaped plate (2); a hexagonal ring (4) and a threaded column (41) are sleeved on the gas injection pipe (3) and positioned above the disc (31), and the threaded column (41) is positioned at the top of the hexagonal ring (4); the threaded column (41) is sleeved with a rubber ring (5) and a sealing tube (6), and the rubber ring (5) is positioned at the bottom of the sealing tube (6); a rubber pipe (7) is sleeved on the top of the threaded column (41) on the gas injection pipe (3); the top of sealed tube (6) is equipped with out gas head (8), go up the bottom of venthole on gas head (8) and be equipped with intubate (81), just the bottom of intubate (81) stretches into in gas injection pipe (3).

2. A hydrogen gas filling machine with a high-sealability inflation head as claimed in claim 1, wherein: the U-shaped plate (2) is tightly adhered to the hydrogen filling machine (1), and one end of the gas injection pipe (3) is in threaded connection with the hydrogen filling machine (1).

3. A hydrogen gas filling machine with a high-sealability inflation head as claimed in claim 1, wherein: disc (31) and gas injection pipe (3) closely bond, the diameter of disc (31) is greater than the width of rectangular channel (21), hexagonal ring (4) and screw thread post (41) are the integrated into one piece structure, hexagonal ring (4) and screw thread post (41) all closely bond with gas injection pipe (3).

4. A hydrogen gas filling machine with a high-sealability inflation head as claimed in claim 1, wherein: sealing tube (6), gas outlet (8) and intubate (81) are integrated into one piece structure, screw thread post (41) and sealing tube (6) threaded connection, intubate (81) and gas injection pipe (3) are pegged graft and are cooperated.

5. A hydrogen gas filling machine with a high-sealability inflation head as claimed in claim 1, wherein: the diameter of intubate (81) equals the internal diameter of gas injection pipe (3), the diameter of gas injection pipe (3) equals the internal diameter of rubber tube (7), the diameter of rubber tube (7) equals the internal diameter of sealed tube (6), the diameter of screw thread post (41) is equal with rubber tube (7).