CN214037830U

CN214037830U - Hydrogen filling machine with quick butt joint gas filling head

Info

Publication number: CN214037830U
Application number: CN202022541114.0U
Authority: CN
Inventors: 薛宁超; 钱伟; 李东明
Original assignee: Guangdong Qingji Hydrogen Energy Co ltd
Current assignee: Guangdong Qingji Hydrogen Energy Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-08-24
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a hydrogen filling machine with quick butt joint gas filling head, including the filling machine main part, be connected with the gas filling head in the filling machine main part, the end of gas filling head is equipped with the bayonet joint, and gas leakage reminding device is installed to the side of filling machine main part, and gas leakage reminding device includes box, plug bush, spacer sleeve and instruction post, and in the plug bush was inserted to the bayonet joint, transparent glass was installed to the front end of box, and the instruction post closely bonds on transparent glass, and the bottom of instruction post is connected with the permeability cell, and the terminal roof that upwards runs through the box of permeability cell. This hydrogen filling machine with quick butt joint gas filling head through the gas leakage reminding device who sets up at the filling machine main part side for when gas filling head inserts gas leakage reminding device in after the gas filling, the liquid level situation of change of liquid in the direct observation indicator post of accessible transparent glass, when the liquid level descends, explains that there is gas to draw into the box from gas filling head, thereby reflects the gas leakage situation of gas filling head in time.

Description

Hydrogen filling machine with quick butt joint gas filling head

Technical Field

The utility model relates to a hydrogen energy equipment technical field specifically is a hydrogen filling machine with quick butt joint gas charging head.

Background

Hydrogen is a clean energy source, and is gradually popularized at present, and a hydrogen filling machine is equipment for filling hydrogen stored in a hydrogen station into equipment such as a carrier. After the hydrogen filling operation is finished, the service life of equipment such as a filling pipeline influences, hydrogen can leak from an inflation head of the hydrogen filling machine, and if workers do not find the hydrogen leaking from the inflation head in time, safety accidents are easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydrogen filling machine with quick butt joint gas filling head 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 quick butt joint inflation connector comprises a filling machine main body, wherein the filling machine main body is connected with the inflation connector through a pipeline, the tail end of the inflation connector is provided with a plug connector, a plurality of convex blocks are integrally formed on the peripheral surface of the plug connector, a gas leakage reminding device is installed at the side end of the filling machine main body and comprises a box body, an insert sleeve tightly welded at the bottom end of the box body, a baffle sleeve fixed in the box body through screws and an indicating column tightly adhered to the inner wall of the box body, a cavity is formed in the box body, an opening communicated with the cavity is formed in the bottom end of the box body, a jack communicated with the opening is formed in the insert sleeve, a plurality of lug grooves corresponding to the convex blocks are formed in the inner wall of the jack, and an insertion groove is formed in the side wall of the top end of each lug groove, the front end face of the box body is provided with a through window, transparent glass is embedded in the through window and is tightly bonded with the through window, the indication column is tightly bonded on the transparent glass, the bottom end of the indication column is connected with a vent pipe, and the tail end of the vent pipe upwards penetrates through the top wall of the box body.

Preferably, a corner of one side of the bottom end face of the bump is in a bevel shape, and the bottom of the insertion groove is in a bevel shape and has the same slope as the bevel of the bottom end of the bump.

Preferably, the spacer sleeve is the annular structure of cross section for the L shape, the inboard cover of spacer sleeve is equipped with and is flexible butt post, the middle part of butt post be penetrating form and with the opening is linked together.

Preferably, the indication column is of a transparent hollow rectangular columnar structure, the top end of the indication column is open, the bottom end of the indication column is closed, indication liquid is contained in the indication column, and the vent pipe is communicated with the bottom end of the indication column.

Preferably, the top end of the box body is provided with a through hole, and the vent pipe penetrates through the through hole and is tightly bonded with the box body through glue.

Preferably, a pair of holding handles is further fixed to the rear end peripheral surface of the inflation head by means of bolts.

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

this hydrogen filling machine with quick butt joint gas filling head through the gas leakage reminding device who sets up at the filling machine main part side for when gas filling head inserts gas leakage reminding device in after the gas filling, the liquid level situation of change of liquid in the direct observation indicator post of accessible transparent glass, when the liquid level descends, explains that there is gas to draw into the box from gas filling head, thereby reflects the gas leakage situation of gas filling head in time.

Drawings

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

FIG. 2 is a schematic structural view of the inflation head of the present invention;

fig. 3 is a schematic structural view of the air leakage reminding device of the present invention;

FIG. 4 is a cross-sectional view of the middle box of the present invention;

fig. 5 is a schematic structural view of the middle plug bush of the present invention.

The meaning of each reference number in the figures is:

1. a filling machine main body; 2. an inflation head; 21. a plug-in connector; 22. a bump; 23. a grip handle; 3. an air leakage reminding device; 31. a box body; 311. a cavity; 312. a port; 313. a window is opened; 314. transparent glass; 315. through holes; 32. inserting a sleeve; 321. a jack; 322. an ear canal; 323. inserting grooves; 33. a blocking sleeve; 331. a butting post; 34. an indicator column; 341. and (4) ventilating the pipes.

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 "a", "an", and "the" mean two or more unless explicitly limited otherwise.

Referring to fig. 1-5, the present invention provides a technical solution:

a hydrogen filling machine with a quick butt joint gas filling head comprises a filling machine main body 1, the filling machine main body 1 is connected with a gas filling head 2 through a pipeline, the tail end of the gas filling head 2 is provided with a plug-in connector 21, a plurality of convex blocks 22 are integrally formed on the peripheral surface of the plug-in connector 21, and the convex blocks 22 are annularly arranged on the gas filling head 2 at equal intervals. The side end of the filling machine main body 1 is provided with an air leakage reminding device 3, and the air leakage reminding device 3 comprises a box body 31, an insert sleeve 32 tightly welded at the bottom end of the box body 31, a blocking sleeve 33 fixed in the box body 31 through a screw, and an indicating column 34 tightly adhered to the inner wall of the box body 31.

In this embodiment, a cavity 311 is formed in the box 31, a through hole 312 communicated with the cavity 311 is formed in the bottom end of the box 31, an insertion hole 321 communicated with the through hole 312 is formed in the insertion sleeve 32, a plurality of ear grooves 322 corresponding to the positions of the bumps 22 are formed in the inner wall of the insertion hole 321, an insertion groove 323 is formed in the side wall of the top end of each ear groove 322, the blocking sleeve 33 is of an annular structure with an L-shaped cross section, a flexible abutting column 331 is sleeved on the inner side of the blocking sleeve 33, and the middle of the abutting column 331 is through and is communicated with the through hole 312. A corner at one side of the bottom end face of the convex block 22 is in an inclined plane shape, the bottom of the insertion groove 323 is in an inclined plane shape and has the same inclination as the inclined plane at the bottom of the convex block 22, so that when the insertion head 21 is inserted into the insertion hole 321 after the convex block 22 is aligned with the ear groove 322, the end of the insertion head 21 abuts against the bottom surface of the abutting column 331, at the moment, the convex block 22 can rotate along the bottom surface of the insertion groove 323 under the action of the inclined plane, and the end of the insertion head 21 abuts against the abutting column 331 at the same time, so that the space between the inflation head 2 and the box body 31 is sealed by the abutting column 331.

Specifically, a through window 313 is opened on the front end face of the box body 31, the transparent glass 314 is embedded in the through window 313 and tightly bonded to the through window, the indication column 34 is tightly bonded to the transparent glass 314, the bottom end of the indication column 34 is connected with a vent pipe 341, and the tail end of the vent pipe 341 upwards penetrates through the top wall of the box body 31. The top end of the box body 31 is provided with a through hole 315, the vent pipe 341 penetrates through the through hole 315 and is tightly adhered to the box body 31 through glue, so that a gap between the vent pipe 341 and the box body 31 is sealed, and a sealed space is formed in the box body 31 after the inflation head 2 is inserted into the plug bush 32.

Further, indication post 34 is transparent hollow rectangle column structure, the top of indication post 34 is open form, the bottom of indication post 34 is closed form, the splendid attire has the instruction liquid in the indication post 34, the bottom of permeability cell 341 and indication post 34 is linked together, when inflation head 2 gas leakage, gas passes through connector 21 and discharges into in the box 31, make the pressure rise in the box 31, thereby make the liquid in the indication post 34 gradually in the effect of atmospheric pressure impressed in the permeability cell 341, staff's accessible transparent glass 314 department directly observes the height condition of liquid level in the indication post 34, thereby in time judge whether gas leakage of inflation head 2.

In addition, a pair of holding handles 23 is fixed on the peripheral surface of the rear end of the inflation head 2 through bolts, so that the inflation head 2 can be conveniently rotated by workers.

When the gas filling is finished, the plug-in connector 21 is inserted into the insertion hole 321 and rotated after the lug 22 on the gas filling head 2 is aligned with the ear groove 322 by a worker, so that the end of the plug-in connector 21 is abutted against the abutment column 331 while the lug 22 rotates along the bottom surface of the insertion groove 323 under the action of the inclined surface, thereby the gas filling head 2 and the box body 31 are sealed by the abutment column 331, then when the gas filling head 2 leaks gas, the gas is discharged into the box body 31 through the plug-in connector 21, so that the pressure in the box body 31 rises, finally, along with the rise of the pressure in the box body 31, the liquid in the indication column 34 is gradually pressed into the vent pipe 341 under the action of the gas pressure, and the worker can directly observe the height condition of the liquid level in the indication column 34 through the transparent glass 314, thereby the gas leakage condition of the gas filling head 2 is timely judged.

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 quick butt joint inflation head, includes filling machine main part (1), there is inflation head (2), its characterized in that through the pipe connection on filling machine main part (1): the end of the inflation head (2) is provided with a plug connector (21), a plurality of lugs (22) are integrally formed on the peripheral surface of the plug connector (21), an air leakage reminding device (3) is installed at the side end of the filling machine main body (1), the air leakage reminding device (3) comprises a box body (31), a plug bush (32) tightly welded at the bottom end of the box body (31), a baffle bush (33) fixed in the box body (31) through screws and an indicating column (34) tightly adhered to the inner wall of the box body (31), a cavity (311) is formed in the box body (31), a through hole (312) communicated with the cavity (311) is formed at the bottom end of the box body (31), a jack (321) communicated with the through hole (312) is formed in the plug bush (32), a plurality of lug grooves (322) corresponding to the position of the lugs (22) are formed in the inner wall of the jack (321), the side wall of the top end of the ear groove (322) is provided with an insertion groove (323), the front end face of the box body (31) is provided with a through window (313), transparent glass (314) is embedded in the through window (313) and tightly bonded with the through window, the indication column (34) is tightly bonded on the transparent glass (314), the bottom end of the indication column (34) is connected with a vent pipe (341), and the tail end of the vent pipe (341) upwards penetrates through the top wall of the box body (31).

2. A hydrogen gas filling machine with a quick docking gas filling head as claimed in claim 1, wherein: a corner at one side of the bottom end face of the convex block (22) is in an inclined plane shape, and the bottom of the insertion groove (323) is in an inclined plane shape and has the same inclination with the inclined plane at the bottom end of the convex block (22).

3. A hydrogen gas filling machine with a quick docking gas filling head as claimed in claim 1, wherein: spacer sleeve (33) are the annular structure of cross section for the L shape, the inboard cover of spacer sleeve (33) is equipped with and is flexible butt post (331), the middle part of butt post (331) be penetrating form and with opening (312) are linked together.

4. A hydrogen gas filling machine with a quick docking gas filling head as claimed in claim 1, wherein: the indicating column (34) is of a transparent hollow rectangular columnar structure, the top end of the indicating column (34) is open, the bottom end of the indicating column (34) is closed, indicating liquid is contained in the indicating column (34), and the vent pipe (341) is communicated with the bottom end of the indicating column (34).

5. A hydrogen gas filling machine with a quick docking gas filling head as claimed in claim 1, wherein: the top end of the box body (31) is provided with a through hole (315), and the vent pipe (341) penetrates through the through hole (315) and is tightly bonded with the box body (31) through glue.

6. A hydrogen gas filling machine with a quick docking gas filling head as claimed in claim 1, wherein: a pair of holding handles (23) is fixed on the peripheral surface of the rear end of the inflation head (2) through bolts.