CN218902301U

CN218902301U - Lubricating device for fuel cell hose installation

Info

Publication number: CN218902301U
Application number: CN202222053744.2U
Authority: CN
Inventors: 张晓�; 张伯涛; 谢建华; 牟晓杰
Original assignee: Beijing Sinohytec Co Ltd
Current assignee: Beijing Sinohytec Co Ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-04-25
Anticipated expiration: 2032-08-05

Abstract

The utility model relates to the technical field of fuel cells, in particular to a lubricating device for mounting a fuel cell hose, which comprises a spray head; the spray head comprises an inner spray head and an outer spray head, the inner spray head is cylindrical, the outer spray head is in a circular tube shape, the inner spray head is positioned in the outer spray head and is coaxially arranged, and a space is reserved between the outer wall of the inner spray head and the inner wall of the outer spray head; the inner nozzle is internally provided with a first channel, a plurality of first injection holes are uniformly distributed on the periphery of the inner nozzle, and the first injection holes are communicated with the first channel; the inner wall of the inner spray head is uniformly distributed with a plurality of second spray holes which are communicated with the second channel; the utility model can insert the hose or the pipe joint into the space when in use, and spray the inner side wall of the hose by adopting the first spray hole or the second spray hole, thereby ensuring the spraying effect.

Description

Lubricating device for fuel cell hose installation

Technical Field

The utility model relates to the technical field of fuel cells, in particular to a lubricating device for mounting a fuel cell hose.

Background

At present, in the process of installing a pipeline, as the inner diameter of a hose (particularly a steel wire braided rubber hose is used for conveying hydraulic fluid such as alcohol, water, hydrogen, air and the like among different modules of the fuel cell engine) is slightly smaller than the outer diameter of a pipe joint (which is a part for connecting the pipeline or installing the pipeline on a hydraulic element in a fuel cell engine system), and the friction force of the inner wall of the hose is larger, the hose is manually inserted into the periphery of the pipe joint for installation after manually spraying lubricant on the inner wall of the hose and the outer wall of the pipe joint.

In the prior art, the lubricant is sprayed manually, the spraying amount and the spraying position are completely determined by autonomous feeling of staff, the spraying uniformity cannot be ensured, and the waste is caused by the need of repeated supplementary spraying or excessive spraying in the installation process. And the manual spraying can be sprayed to the position outside the pipe joint, so that pollution is caused.

Disclosure of Invention

In order to overcome the defects in the prior art, the technical problem to be solved by the utility model is to provide a lubrication device for fuel cell hose installation, which solves the problems of uneven lubricant spraying, waste caused by excessive lubricant spraying and pollution caused by lubricant spraying to the position outside the pipe joint.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a lubrication device for fuel cell hose installation comprising a spray head;

the spray head comprises an inner spray head and an outer spray head, the inner spray head is cylindrical, the outer spray head is in a circular tube shape, the inner spray head is positioned in the outer spray head and is coaxially arranged, and a space is reserved between the outer wall of the inner spray head and the inner wall of the outer spray head;

the inner nozzle is internally provided with a first channel, a plurality of first injection holes are uniformly distributed on the periphery of the inner nozzle, and the first injection holes are communicated with the first channel;

the inner wall of the inner spray head is uniformly distributed with a plurality of second spray holes which are communicated with the second channel.

Preferably, the lubrication device further comprises a three-way valve and a liquid reservoir storing lubricant, the liquid reservoir being in communication with the first and second channels, respectively, through the three-way valve.

Preferably, the lubrication device further comprises compressed air, a flow valve and a trigger switch;

the compressed air, the flow valve, the trigger switch and the liquid storage tank are sequentially communicated.

Preferably, the flow valve is replaced with a screw valve.

Preferably, the bottom of the outer spray head has a closed bottom plate, and the inner spray head is rotatably connected to the bottom plate.

Preferably, an annular baffle is arranged in a space between the outer wall of the inner spray head and the inner wall of the outer spray head, and a spring is arranged between the annular baffle and the bottom plate.

Preferably, a protective cover is arranged on the periphery of the outer spray head, and the bottom of the protective cover is rotationally connected with the bottom plate.

The utility model has the beneficial effects that: through having space combination first jet orifice and second jet orifice between the outer wall of interior shower nozzle and the inner wall of outer shower nozzle, can be in the space to inserting the hose when using, adopt the lubricant to spray by first passageway to first jet orifice to the inside wall of hose, perhaps insert the coupling in the space, adopt the lubricant to spray by second passageway to second jet orifice to the outside wall of coupling, guarantee the spraying effect, and annular interior shower nozzle can guarantee the homogeneity of shower nozzle with outer shower nozzle.

Drawings

FIG. 1 is a schematic view of a lubrication apparatus for fuel cell hose installation according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a nozzle tip of a lubrication apparatus for fuel cell hose installation according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of FIG. 2;

description of the reference numerals: 1. a spray head; 2. an inner nozzle; 3. an outer spray head; 4. a space; 5. a first channel; 6. a second channel; 7. a bottom plate; 8. an annular baffle; 9. a spring; 10. a protective cover; 11. a three-way valve; 12. a liquid storage tank; 13. compressed air; 14. a flow valve; 15. triggering a switch;

Detailed Description

In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.

Referring to fig. 1 to 3, a lubrication device for fuel cell hose installation of the present utility model includes a nozzle 1;

the spray head 1 comprises an inner spray head 2 and an outer spray head 3, wherein the inner spray head 2 is cylindrical, the outer spray head 3 is in a circular tube shape, the inner spray head 2 is positioned in the outer spray head 3 and is coaxially arranged, and a space 4 is arranged between the outer wall of the inner spray head 2 and the inner wall of the outer spray head 3;

the inner nozzle 2 is internally provided with a first channel 5, a plurality of first injection holes are uniformly distributed on the periphery of the inner nozzle 2, and the first injection holes are communicated with the first channel 5;

the inside second passageway 6 that is provided with of outer shower nozzle 3, evenly distributed has a plurality of second jet orifices on the inner wall of interior shower nozzle 2, second jet orifice and second passageway 6 intercommunication.

From the above description, by combining the first spray hole and the second spray hole with the space 4 between the outer wall of the inner spray head 2 and the inner wall of the outer spray head 3, the hose can be inserted into the space 4 when in use, the lubricant is adopted from the first channel 5 to the first spray hole for the inner side wall of the hose, or the pipe joint is inserted into the space 4, the lubricant is adopted from the second channel 6 to the second spray hole for the outer side wall of the pipe joint, so that the spray effect is ensured, and the uniformity of the spray head 1 can be ensured by the annular inner spray head 2 and the outer spray head 3.

Further, the lubrication device further comprises a three-way valve 11 and a liquid storage tank 12 for storing lubricant, and the liquid storage tank 12 is respectively communicated with the first channel 5 and the second channel 6 through the three-way valve 11.

As is apparent from the above description, by employing the three-way valve 11, the discharge of the first passage 5 or the second passage 6 can be accurately controlled.

Further, the lubrication device further comprises compressed air 13, a flow valve 14 and a trigger switch 15;

the compressed air 13, the flow valve 14, the trigger switch 15 and the liquid storage tank 12 are communicated in sequence.

From the above description, it is clear that by using compressed air 13 for assistance, a more uniform lubricant spray can be achieved.

Further, the flow valve 14 is replaced with a screw valve.

From the above description, it is clear that by using a screw valve, a more accurate dosage control can be achieved.

Further, the bottom of the outer nozzle 3 has a closed bottom plate 7, and the inner nozzle 2 is rotatably connected to the bottom plate 7.

From the above description, through the confined bottom plate 7, can prevent the outflow of lubricant, realize the waste liquid storage, avoid polluting, but interior shower nozzle 2 swivelling joint is on bottom plate 7 simultaneously, can guarantee interior shower nozzle 2's free rotation, further guarantees the homogeneity of spraying.

Further, an annular baffle plate 8 is arranged in the space 4 between the outer wall of the inner spray head 2 and the inner wall of the outer spray head 3, and a spring 9 is arranged between the annular baffle plate 8 and the bottom plate 7.

From the above description, by means of the spring 9 and the annular baffle 8, the insertion depth of the hose or the pipe joint can be controlled, so that the excessive lubricating fluid is prevented from being sprayed to the position outside the pipe joint, and the waste of the lubricating fluid and the pollution problem caused by the waste of the lubricating fluid are reduced.

Further, a protective cover 10 is arranged on the periphery of the outer spray head 3, and the bottom of the protective cover 10 is rotatably connected with the bottom plate 7.

From the above description, the stability of the lubrication device can be ensured by the protective cover 10, the damage caused by collision can be prevented, and the rotation of the outer nozzle 3 can be realized by the rotational connection of the bottom of the protective cover 10 and the bottom plate 7.

Example 1

A lubrication device for fuel cell hose installation comprising a spray head;

The lubrication device further comprises a three-way valve and a liquid storage tank for storing lubricant, wherein the liquid storage tank is communicated with the first channel and the second channel through the three-way valve respectively.

The lubricating device also comprises compressed air, a flow valve and a trigger switch;

The bottom of the outer spray head is provided with a closed bottom plate, and the inner spray head is rotatably connected to the bottom plate.

An annular baffle is arranged in the space between the outer wall of the inner spray head and the inner wall of the outer spray head, and a spring is arranged between the annular baffle and the bottom plate.

The outer shower nozzle periphery is provided with the safety cover, the bottom and the bottom plate of safety cover rotate to be connected.

Example two

A lubrication device for fuel cell hose installation, which is the same as the first embodiment, will not be described again, wherein the flow valve of the first embodiment is replaced with a screw valve.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.

Claims

1. A lubrication device for fuel cell hose installation, comprising a spray head;

2. The lubrication device for fuel cell hose installation of claim 1, further comprising a three-way valve and a reservoir storing lubricant, the reservoir being in communication with the first and second channels, respectively, through the three-way valve.

3. The lubrication device for fuel cell hose installation of claim 2, further comprising compressed air, a flow valve, and a trigger switch;

4. A lubrication device for fuel cell hose installation according to claim 3, wherein the flow valve is replaced by a screw valve.

5. The lubrication device for fuel cell hose installation of claim 1, wherein the bottom of the outer nozzle has a closed floor, and the inner nozzle is rotatably connected to the floor.

6. The lubrication device for fuel cell hose installation of claim 5, wherein an annular baffle is provided in a space between an outer wall of the inner nozzle and an inner wall of the outer nozzle, and a spring is provided between the annular baffle and the bottom plate.

7. The lubrication device for fuel cell hose installation according to claim 5, wherein a protective cover is provided on an outer periphery of the outer nozzle, and a bottom of the protective cover is rotatably connected to the bottom plate.