CN216923517U

CN216923517U - Function testing device for hydrogenation machine

Info

Publication number: CN216923517U
Application number: CN202220289582.XU
Authority: CN
Inventors: 向艺; 宋群; 程梅
Original assignee: Tianjin Baiyan Hydrogenation Equipment Co ltd
Current assignee: Tianjin Baiyan Hydrogenation Equipment Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-07-08
Anticipated expiration: 2032-02-11

Abstract

The utility model relates to the field of relative hydrogenation machines, in particular to a function testing device for a hydrogenation machine, which comprises a clamp, wherein two sealing rings are fixedly connected to the right side of the clamp, an external threaded pipe is fixedly connected to the right side of the sealing ring at the lower side, a nut is in threaded connection with the side surface of the external threaded pipe, a scale plug is movably inserted into the right side of the inner wall of the external threaded pipe, a tension spring is fixedly connected to the left side of the scale plug, and the left end of the tension spring is fixedly connected with the right side of the inner wall of the external threaded pipe. The device is through the outside with external screw thread pipe box at hydrogenation machine gas transmission end, then fixes external screw thread pipe in the outside of hydrogenation machine gas transmission end through the clamp, then rotates the nut and makes its move to the left and contradict with the arc inclined plane of sealing washer side, increases conflict power and frictional force between sealing washer and the hydrogenation machine gas transmission end outside, guarantees that the device fixes the stability on hydrogenation machine gas transmission end, and the installation is simple and convenient.

Description

Function testing device for hydrogenation machine

Technical Field

The utility model relates to the field of hydrogenation machines, in particular to a function testing device for a hydrogenation machine.

Background

The hydrogenation machine is used for safely filling high-pressure hydrogen into a vehicle-mounted hydrogen storage bottle of a fuel cell automobile from a hydrogen storage gas source in a hydrogenation station, and the tightness of a gas transmission end of the hydrogenation machine needs to be detected after the hydrogenation machine is used for a specified time so as to ensure normal use of the device, so that a hydrogenation machine testing device needs to be used.

When the existing tightness of the gas transmission end of the hydrogenation machine is detected, the gas transmission end of the hydrogenation machine is wrapped by the gas inlet pipe of the gas bag, then the tightness of the gas transmission end of the hydrogenation machine is detected by observing the deformation of the gas bag, the operation is troublesome, the gas inlet pipe of the gas bag is directly wrapped by the gas transmission end of the hydrogenation machine, and the difficulty in ensuring the tightness between the gas inlet pipe of the gas bag and the gas transmission end of the hydrogen machine is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a function testing device for a hydrogenation machine, and aims to solve the problems that the operation is troublesome because the gas inlet pipe of the air bag wraps the gas transmission end of the hydrogenation machine, the sealing performance of the gas transmission end of the hydrogenation machine is detected by observing the deformation amount of the air bag, the gas transmission end of the hydrogenation machine is directly wrapped by the gas inlet pipe of the air bag, and the sealing performance between the gas inlet pipe of the air bag and the gas transmission end of the hydrogen machine is difficult to ensure in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a function testing device for a hydrogenation machine comprises a clamp, wherein two sealing rings are fixedly connected to the right side of the clamp, an external threaded pipe is fixedly connected to the right side of the sealing ring on the lower side of the clamp, and a nut is connected to the side surface of the external threaded pipe in a threaded manner;

a scale plug is movably inserted on the right side of the inner wall of the external threaded pipe, a tension spring is fixedly connected to the left side of the scale plug, and the left end of the tension spring is fixedly connected with the right side of the inner wall of the external threaded pipe;

the left side fixedly connected with solid fixed ring of outer screwed pipe inner wall, gu fixed ring's left side fixedly connected with lantern ring, the left side activity of the lantern ring is pegged graft and is had sealed piece, the right side fixedly connected with pressure spring of sealed piece, the right-hand member of pressure spring and solid fixed ring's left end fixed connection.

Preferably, the hinged part of the clamp is fixedly connected with a round rod, and the right end of the round rod is fixedly connected with the left end of the external threaded pipe.

Preferably, the shape of sealing washer is C shape, and the right side of sealing washer is the arc inclined plane.

Preferably, the sealing block is in a circular truncated cone shape, and a through groove is formed in the left end of the sealing block.

Preferably, the diameter of the inner ring of the lantern ring is equal to that of the through groove.

Preferably, the number of the compressed springs is six, and the six compressed springs are distributed in a ring shape at equal intervals.

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

according to the utility model, the external threaded pipe is sleeved on the outer side of the gas delivery end of the hydrogenation machine, then the external threaded pipe is fixed on the outer side of the gas delivery end of the hydrogenation machine through the hoop, then the nut is rotated to enable the external threaded pipe to move left to be abutted against the arc-shaped inclined plane on the side face of the sealing ring, so that the abutting force and the friction force between the sealing ring and the outer side of the gas delivery end of the hydrogenation machine are increased, the stability of the device fixed on the gas delivery end of the hydrogenation machine is ensured, and the installation is simple and convenient.

According to the utility model, the external threaded pipe is sleeved on the outer side of the gas conveying end of the hydrogenation machine, the sealing block is abutted against the inner side of the gas conveying end of the hydrogenation machine at the moment, the pressure spring is promoted to deform, the sealing property between the device and the gas conveying end of the hydrogenation machine is improved, then the external threaded pipe is fixed on the outer side of the gas conveying end of the hydrogenation machine through the clamp, then the nut is rotated to promote the external threaded pipe to move leftwards to abut against the arc inclined plane on the side face of the sealing ring, the abutting force and the friction force between the sealing ring and the outer side of the gas conveying end of the hydrogenation machine are increased, and the sealing property between the device and the gas conveying end of the hydrogenation machine is secondarily improved, so that the practicability is better.

Drawings

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

FIG. 2 is a partial perspective sectional view of the present invention;

fig. 3 is a schematic view of a partially expanded perspective structure of the present invention.

In the figure: 1. clamping a hoop; 2. a seal ring; 3. an externally threaded tube; 4. a nut; 5. a scale plug; 6. a tension spring; 7. a fixing ring; 8. a collar; 9. a sealing block; 10. a pressure spring; 11. a through groove.

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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a function testing device for a hydrogenation machine comprises a clamp 1, wherein two sealing rings 2 are fixedly connected to the right side of the clamp 1, an external threaded pipe 3 is fixedly connected to the right side of the lower sealing ring 2, a nut 4 is in threaded connection with the side surface of the external threaded pipe 3, the nut 4 is rotated to enable the left side of the nut to move leftwards to be abutted against an arc-shaped inclined surface of the side surface of the sealing ring 2, and the abutting force and the friction force between the sealing ring 2 and the outer side of a gas transmission end of the hydrogenation machine are increased, so that the sealing performance between the device and the gas transmission end of the hydrogenation machine is secondarily increased;

a scale plug 5 is movably inserted on the right side of the inner wall of the outer threaded pipe 3, a tension spring 6 is fixedly connected on the left side of the scale plug 5, and the left end of the tension spring 6 is fixedly connected with the right side of the inner wall of the outer threaded pipe 3;

the solid fixed ring 7 of the left side fixedly connected with of 3 inner walls of external screw pipe, the left side fixedly connected with lantern ring 8 of solid fixed ring 7, the activity of the left side of the lantern ring 8 is pegged graft and is had sealed piece 9, the right side fixedly connected with pressure spring 10 of sealed piece 9, the right-hand member of pressure spring 10 and the left end fixed connection of solid fixed ring 7.

In this embodiment, as shown in fig. 1 and 2, a round bar is fixedly connected to the hinge of the clamp 1, and the right end of the round bar is fixedly connected to the left end of the external threaded pipe 3, so that the stability of the connection between the clamp 1 and the external threaded pipe 3 is ensured by the round bar.

In this embodiment, as shown in fig. 1 and 2, the sealing ring 2 is C-shaped, and the right side of the sealing ring 2 is an arc inclined surface, and the nut 4 presses the arc inclined surface on the side of the sealing ring 2, so as to ensure that the device is abutted against the outer side of the gas inlet end of the hydrogenation unit.

In this embodiment, as shown in fig. 2 and 3, the sealing block 9 is in a truncated cone shape, and a through groove 11 is formed at the left end of the sealing block 9, so that the communication of air between the sealing block 9 and the fixing ring 7 is ensured through the through groove 11.

In this embodiment, as shown in fig. 2 and 3, the diameter of the inner ring of the collar 8 is equal to the diameter of the through groove 11, so as to ensure the smoothness of the gas entering the inside of the external threaded pipe 3.

In this embodiment, as shown in fig. 2 and 3, the number of the compressed springs 10 is six, and the six compressed springs 10 are distributed annularly at equal intervals, and the stability of the connection between the fixing ring 7 and the sealing block 9 is ensured by the compressed springs 10.

The use method and the advantages of the utility model are as follows: when the function testing device for the hydrogenation machine is used, the working process is as follows:

as shown in fig. 1, 2 and 3, the external threaded pipe 3 is sleeved on the outer side of the gas transmission end of the hydrogenation machine, at the moment, the sealing block 9 is abutted against the inner side of the gas transmission end of the hydrogenation machine to promote the deformation of the pressure spring 10, so that the sealing performance between the device and the gas transmission end of the hydrogenation machine is improved, then the external threaded pipe 3 is fixed on the outer side of the gas transmission end of the hydrogenation machine through the hoop 1, then the nut 4 is rotated to promote the left movement to be abutted against the arc-shaped inclined surface on the side surface of the sealing ring 2, so that the abutting force and the friction force between the sealing ring 2 and the outer side of the gas transmission end of the hydrogenation machine are improved, and further the sealing performance between the device and the gas transmission end of the hydrogenation machine is secondarily improved;

then, by observing whether the scale plug 5 slides out of the inner side of the external thread pipe 3, if the scale plug slides out, the air leakage phenomenon exists in the device, and if the scale plug slides out, the sealing performance of the device is good.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The function testing device for the hydrogenation machine comprises a clamp (1), and is characterized in that two sealing rings (2) are fixedly connected to the right side of the clamp (1), an external threaded pipe (3) is fixedly connected to the right side of the sealing ring (2) on the lower side, and a nut (4) is connected to the side surface of the external threaded pipe (3) in a threaded manner;

a scale plug (5) is movably inserted in the right side of the inner wall of the outer threaded pipe (3), a tension spring (6) is fixedly connected to the left side of the scale plug (5), and the left end of the tension spring (6) is fixedly connected with the right side of the inner wall of the outer threaded pipe (3);

the left side fixedly connected with of outer screwed pipe (3) inner wall is fixed ring (7), the left side fixedly connected with lantern ring (8) of fixed ring (7), the left side activity of the lantern ring (8) is pegged graft and is had sealed piece (9), the right side fixedly connected with pressure spring (10) of sealed piece (9), the right-hand member of pressure spring (10) and the left end fixed connection of fixed ring (7).

2. The functional test device for the hydrogenation machine according to claim 1, wherein: the articulated department fixedly connected with round bar of clamp (1), and the right-hand member of round bar and the left end fixed connection of external screw thread pipe (3).

3. The functional test device for the hydrogenation machine according to claim 1, wherein: the sealing ring (2) is C-shaped, and the right side of the sealing ring (2) is an arc-shaped inclined plane.

4. The functional test device for the hydrogenation machine according to claim 1, wherein: the sealing block (9) is in a circular truncated cone shape, and a through groove (11) is formed in the left end of the sealing block (9).

5. The functional test device for the hydrogenation unit according to claim 4, wherein: the diameter of the inner ring of the lantern ring (8) is equal to that of the through groove (11).

6. The functional test device for the hydrogenation machine according to claim 1, wherein: the number of the compressed springs (10) is six, and the six compressed springs (10) are distributed in a ring shape at equal intervals.