CN211553207U

CN211553207U - A leakproofness detection device for carbon tank

Info

Publication number: CN211553207U
Application number: CN202020286603.3U
Authority: CN
Inventors: 蒋明洁
Original assignee: Liuzhou Baotu Automobile Technology Co ltd
Current assignee: Liuzhou Baotu Automobile Technology Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-09-22
Anticipated expiration: 2030-03-10

Abstract

The utility model discloses a leakproofness detection device for carbon canister relates to carbon canister detection area, the on-line screen storage device comprises a base, the equal fixedly connected with backup pad in upper surface both ends of base, two all through clear glass board fixed connection between the both ends of backup pad, the middle part of backup pad is provided with the centre gripping subassembly, is provided with the carbon canister body between two centre gripping subassemblies, the top one end of backup pad is provided with the mounting panel. The utility model discloses an pour into the pure water into in the inside of this device to set up the clear glass board between two backup pads, the inspection personnel of being convenient for observe, vacuum pump cooperation connecting pipe, elasticity communicating pipe and swing joint mechanism pour into compressed air into to the carbon tank body in, compressed air can overflow from the damaged of carbon tank body, becomes the bubble come-up in aqueous, makes the damaged department of observing the carbon tank body that inspection personnel can know, has improved the work efficiency of this device.

Description

A leakproofness detection device for carbon tank

Technical Field

The utility model relates to a carbon tank detection area, in particular to leakproofness detection device for carbon tank.

Background

The canister is typically mounted between the gasoline tank and the engine. Since gasoline is a volatile liquid, fuel tanks are often filled with vapor at ambient temperatures, and the fuel vapor emission control device functions to introduce vapor into the engine intake manifold for combustion and to prevent evaporation into the atmosphere, which is a carbon canister that plays an important role. The canister need carry out the leakproofness before the installation and detect, and current leakproofness device lets in pressurized air directly to the canister in, then observes the manometer to this sealing performance who observes the canister, but this kind of mode can only detect the canister leakproofness good or bad, can not detect the position that the canister appears the breakage and leaks. Therefore, it is necessary to invent a tightness detecting apparatus for a canister to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a leakproofness detection device for carbon tank to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a tightness detection device for a carbon tank comprises a base, wherein two ends of the upper surface of the base are fixedly connected with supporting plates, the two ends of the two supporting plates are fixedly connected through a transparent glass plate, the middle part of the supporting plate is provided with a clamping component, a carbon tank body is arranged between the two clamping components, an installation plate is arranged at one end above the supporting plate, both ends of the lower surface of the installation plate are fixedly connected with the top end of the supporting plate through fixing columns, a movable connecting mechanism is arranged in the middle of the installation plate, the outer side of the lower end of one of the supporting plates is connected with a vacuum pump in a fitting manner, the output end of the vacuum pump is fixedly connected with a connecting pipe, the vacuum pump is kept away from to the connecting pipe one end fixedly connected with control valve, control valve fixed mounting is in the upper surface one end of mounting panel, the output of control valve is linked together through elasticity communicating pipe and swing joint mechanism.

Preferably, the centre gripping subassembly includes the fixed plate, one side fixedly connected with of fixed plate is a plurality of elastic connection heads that are equidistant distribution, the opposite side both ends of fixed plate all are connected with the inner wall of backup pad through the telescopic link.

Preferably, the connecting column is fixedly connected to the middle of the other side of the fixing plate, a thread groove is formed in the end of the connecting column, and a threaded rod is movably connected to the inside of the thread groove.

Preferably, one end, far away from the connecting column, of the threaded rod penetrates through the through groove formed in the middle of the supporting plate and is fixedly connected with a hand wheel, one end, far away from the connecting column, of the threaded rod is movably connected with the side wall of the through groove through a sealing bearing, and the hand wheel is arranged on the outer side of the supporting plate.

Preferably, the movable connecting mechanism comprises an empty groove formed in the middle of the mounting plate, a movable block is arranged in the empty groove, sliding blocks are fixedly connected to two sides of the movable block, and the sliding blocks are located in sliding grooves formed in inner walls of two sides of the empty groove.

Preferably, the top end of the movable block is fixedly connected with the elastic communicating pipe, the bottom end of the movable block is fixedly connected with a telescopic pipe, the bottom end of the telescopic pipe is fixedly connected with a sealing joint, and the sealing joint corresponds to the output end of the carbon tank body.

The utility model discloses a technological effect and advantage:

1. the utility model discloses an injecting into the pure water in the inside of this device to set up the clear glass board between two backup pads, being convenient for the inspection personnel to observe, vacuum pump cooperation connecting pipe, elasticity communicating pipe and swing joint mechanism inject compressed air into the carbon tank body, and compressed air can spill over from the damaged of carbon tank body, becomes the bubble come-up in aqueous, makes the inspection personnel can be clear observe the damaged of carbon tank body, has improved the work efficiency of this device;

2. the utility model discloses a be provided with the centre gripping subassembly in the backup pad, two centre gripping subassemblies cooperate can be spacing with carbon tank body centre gripping for this device can the carbon tank body of the different model sizes of centre gripping, has improved the working range of this device, is provided with swing joint mechanism on the mounting panel, and swing joint mechanism can adjust the position of self according to the position of carbon tank body import, has improved the work efficiency of this device.

Drawings

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

Fig. 2 is a schematic top view of the overall structure of the present invention.

Fig. 3 is a schematic structural section view of the clamping assembly of the present invention.

Fig. 4 is a schematic structural section view of the movable connection mechanism of the present invention.

In the figure: 1. a base; 2. a support plate; 3. a transparent glass plate; 4. a clamping assembly; 5. a canister body; 6. mounting a plate; 7. fixing a column; 8. a movable connecting mechanism; 9. a vacuum pump; 10. a connecting pipe; 11. a control valve; 12. an elastic communicating tube; 13. a fixing plate; 14. an elastic connector; 15. a telescopic rod; 16. connecting columns; 17. a thread groove; 18. a threaded rod; 19. a through groove; 20. a hand wheel; 21. an empty groove; 22. a movable block; 23. a slider; 24. a chute; 25. a telescopic pipe; 26. and (6) sealing the joint.

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.

The utility model provides a tightness detection device for carbon canister as shown in figures 1-4, as shown in figures 1 and 2, comprising a base 1, wherein both ends of the upper surface of the base 1 are fixedly connected with supporting plates 2, both ends of the two supporting plates 2 are fixedly connected through a transparent glass plate 3, the middle part of the supporting plate 2 is provided with a clamping component 4, a carbon canister body 5 is arranged between the two clamping components 4, the two clamping components 4 are matched to clamp and limit the carbon canister body 5, so that the device can clamp the carbon canister bodies 5 with different models and sizes, the working range of the device is improved, one end above the supporting plate 2 is provided with a mounting plate 6, both ends of the lower surface of the mounting plate 6 are fixedly connected with the top end of the supporting plate 2 through a fixed column 7, the middle part of the mounting plate 6 is provided with a movable connecting mechanism 8, the movable connecting mechanism 8 can adjust the position of the device according to the position of the carbon canister body, the work efficiency of this device is improved, the laminating of the lower extreme outside of one of them backup pad 2 is connected with vacuum pump 9, vacuum pump 9's output fixedly connected with connecting pipe 10, vacuum pump 9's one end fixedly connected with control valve 11 is kept away from to connecting

pipe

10, 11 fixed mounting of control valve are in the upper surface one end of mounting panel 6, control valve 11's output is linked together through elasticity communicating pipe 12 and swing joint mechanism 8, vacuum pump 9 passes through connecting pipe 10, elasticity communicating pipe 12 and swing joint mechanism 8 are with compressed air injection carbon tank body 5 in.

As shown in fig. 3, the clamping assembly 4 includes a fixing plate 13, one side of the fixing plate 13 is fixedly connected with a plurality of elastic connectors 14 distributed at equal intervals, the arrangement of the elastic connectors 14 can reduce the contact area between the fixing plate 13 and the carbon canister body 5, and can not block the damaged part of the carbon canister body 5, both ends of the other side of the fixing plate 13 are connected with the inner wall of the supporting plate 2 through telescopic rods 15, the arrangement of the telescopic rods 15 plays a role in supporting and guiding the fixing plate 13, so as to prevent the fixing plate 13 from deflecting, a connecting column 16 is fixedly connected to the middle part of the other side of the fixing plate 13, a thread groove 17 is formed at the end part of the connecting column 16, a threaded rod 18 is movably connected in the thread groove 17, the threaded rod 18 is matched with the thread groove 17 to drive the fixing plate 13 to move, one end of the, and the threaded rod 18 is kept away from the one end of spliced pole 16 and passes through sealed bearing and the lateral wall swing joint of logical groove 19 for water in this device can not flow out from logical groove 19, and hand wheel 20 sets up in the outside of backup pad 2, can drive threaded rod 18 through hand wheel 20 and rotate.

As shown in fig. 4, the movable connection mechanism 8 includes an empty slot 21 opened in the middle of the mounting plate 6, a movable block 22 is disposed in the empty slot 21, sliders 23 are fixedly connected to two sides of the movable block 22, the sliders 23 are located in sliding slots 24 formed in inner walls of two sides of the empty slot 21, a top end of the movable block 22 is fixedly connected to the elastic communication pipe 12, a telescopic pipe 25 is fixedly connected to a bottom end of the movable block 22, a sealing joint 26 is fixedly connected to a bottom end of the telescopic pipe 25, the sealing joint 26 corresponds to an output end of the carbon tank body 5, and through such a configuration, the movable block 22 can move to a corresponding position according to an inlet position of the carbon tank body 5, so that the working efficiency of the device is improved.

The utility model discloses the theory of operation:

when the device is installed, firstly, the carbon tank body 5 is placed in the device, then two hand wheels 20 are screwed, the hand wheels 20 drive the threaded rod 18 to rotate, the threaded rod 18 is matched with the threaded groove 17 to drive the connecting column 16 to move, further, the fixed plate 13 is driven to move until the elastic connector 14 on the fixed plate 13 is contacted with the carbon tank body 5, at the moment, the two fixed plates 13 are matched to limit and fix the carbon tank body 5, then the movable block 22 is moved, the movable block 22 moves in the hollow groove 21 through the sliding block 23 and the sliding groove 24 until the sealing connector 26 on the movable block 22 moves to the upper part of the inlet of the carbon tank body 5, then, the telescopic pipe 25 is pulled downwards until the sealing connector 26 is connected with the inlet of the carbon tank body 5, then, the vacuum pump 9 is started, the control valve 11 is opened, so that compressed air in the vacuum pump 9 enters the carbon tank body 5 through the, if the sealing performance of the canister body 5 is good, the body of the canister body 5 does not generate bubbles, and if the surface of the canister body 5 is damaged, bubbles are generated at the damaged portion.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A leakproofness detecting means for carbon canister, includes base (1), its characterized in that: the device is characterized in that supporting plates (2) are fixedly connected to two ends of the upper surface of the base (1), two supporting plates (2) are fixedly connected to each other through transparent glass plates (3), clamping assemblies (4) are arranged in the middle of the supporting plates (2), a carbon tank body (5) is arranged between the two clamping assemblies (4), a mounting plate (6) is arranged at one end above the supporting plates (2), two ends of the lower surface of the mounting plate (6) are fixedly connected to the top ends of the supporting plates (2) through fixing columns (7), a movable connecting mechanism (8) is arranged in the middle of the mounting plate (6), a vacuum pump (9) is connected to the outer side of the lower end of one of the supporting plates (2) in a laminating manner, a connecting pipe (10) is fixedly connected to the output end of the vacuum pump (9), and a control valve (11) is fixedly connected to one end, the control valve (11) is fixedly installed at one end of the upper surface of the installation plate (6), and the output end of the control valve (11) is communicated with the movable connecting mechanism (8) through the elastic communicating pipe (12).

2. The leak tightness detecting device for the canister according to claim 1, wherein: centre gripping subassembly (4) are including fixed plate (13), one side fixedly connected with of fixed plate (13) a plurality of elastic connection head (14) that are equidistant distribution, the opposite side both ends of fixed plate (13) all are through the inner wall connection of telescopic link (15) with backup pad (2).

3. A leak tightness detecting device for a canister according to claim 2, characterized in that: the middle part of the other side of the fixing plate (13) is fixedly connected with a connecting column (16), the end part of the connecting column (16) is provided with a thread groove (17), and a threaded rod (18) is movably connected in the thread groove (17).

4. A leak tightness detecting device for a canister according to claim 3, characterized in that: one end, far away from the connecting column (16), of the threaded rod (18) penetrates through the through groove (19) formed in the middle of the supporting plate (2) and is fixedly connected with a hand wheel (20), one end, far away from the connecting column (16), of the threaded rod (18) is movably connected with the side wall of the through groove (19) through a sealing bearing, and the hand wheel (20) is arranged on the outer side of the supporting plate (2).

5. The leak tightness detecting device for the canister according to claim 1, wherein: the movable connecting mechanism (8) comprises an empty groove (21) formed in the middle of the mounting plate (6), a movable block (22) is arranged in the empty groove (21), sliding blocks (23) are fixedly connected to two sides of the movable block (22), and the sliding blocks (23) are located in sliding grooves (24) formed in inner walls of two sides of the empty groove (21).

6. A leak tightness detecting device for a canister according to claim 5, characterized in that: the top and the elasticity communicating pipe (12) fixed connection of movable block (22), the flexible pipe (25) of bottom fixedly connected with of movable block (22), the bottom fixedly connected with sealing joint (26) of flexible pipe (25), sealing joint (26) are corresponding with the output of carbon tank body (5).