CN219003486U

CN219003486U - Universal exhaust gas shield for spraying

Info

Publication number: CN219003486U
Application number: CN202223459377.2U
Authority: CN
Inventors: 王铁钢
Original assignee: Airen Technology Hainan Co ltd
Current assignee: Airen Technology Hainan Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-12
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a universal waste gas shielding cover for spraying, which comprises a spraying gun nozzle and a funnel-shaped shielding cover arranged on the outer side of the spraying gun nozzle, wherein an arc-shaped shielding bowl is arranged at the outer edge of the bottom of the annular end of the funnel-shaped shielding cover, a movable mounting tube is inserted into a funnel handle part on the rear side of the funnel-shaped shielding cover, an expansion filter element is arranged at a gap between the movable mounting tube and the funnel handle part, and a supporting buckle matched with the movable mounting tube in an abutting mode is arranged on the inner side of the funnel-shaped shielding cover. According to the utility model, the air suction filtering type blocking cover is adopted, so that on one hand, the inner side of the blocking cover intensively sucks back the release agent waste gas without additionally adding a motor air pump, the cost of the blocking cover for recycling the waste gas is reduced, and on the other hand, the air suction opening of the spraying gun is filtered, and the possibility that the dust entering the air inlet blocks the spraying gun is reduced.

Description

Universal exhaust gas shield for spraying

Technical Field

The utility model relates to the technical field of spraying shielding covers, in particular to a universal waste gas shielding cover for spraying.

Background

The spraying release agent is used as an auxiliary metal processing process, is widely applied in the production process of modern metal products, and the existing spraying release agent process can generate gas and atomized gas containing formaldehyde, poisonous and volatile gas, heavy metal and other poisonous and harmful pungent odors, so that when the spraying process works, workers often reduce contact with the harmful gas through various protective clothing and masks, and even use robots to replace manual operation.

However, in automobile parts and various mechanical maintenance storefronts, effective protection configuration is difficult to achieve when the release agent is sprayed, a relatively closed spraying working chamber is not provided, the release agent is easy to volatilize waste gas during spraying, and the waste gas does not have the condition of recycling and reducing emission after volatilization.

Disclosure of Invention

The utility model aims at: the universal exhaust shield for spraying is provided for solving the problems that the volatilization of exhaust gas at the spray head is difficult to shield a user and the recovery of the exhaust gas during spraying.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a general waste gas of spraying keeps off cover, includes the funnel shape that spray gun shower nozzle and spray gun shower nozzle outside set up keeps off the cover, the outer fringe department of funnel shape fender annular end bottom is provided with the arc and keeps off the bowl, it has movable mounting tube to peg graft in the funnel stalk portion of funnel shape fender cover rear side, clearance department is provided with the inflation filter core between movable mounting tube and the funnel stalk portion, the funnel shape keeps off the cover inboard and is provided with the support buckle of cooperation movable mounting tube butt.

As a further description of the above technical solution:

the top of the funnel-shaped baffle cover is provided with a transparent plugboard, and the funnel-shaped baffle cover is provided with a plugboard slot which is matched with the transparent plugboard for pluging.

As a further description of the above technical solution:

the expansion filter element comprises a plurality of inclined filter rings which are arranged in the middle section and are mutually spaced, and annular air holes which are annularly arranged on annular ends of two sides of the inclined filter rings, wherein the inclined filter rings are of annular cone-shaped structures.

As a further description of the above technical solution:

the movable mounting tube comprises an air sealing cover which is attached and sealed with the opening of the handle part of the funnel, a supporting wing which is matched and clamped with the expansion filter element, and an inner thread which is arranged on the inner side of the movable mounting tube.

As a further description of the above technical solution:

the spray gun nozzle is provided with external threads which are in screwed connection with the internal threads, and the expansion end of the spray gun nozzle is in matched and abutting connection with the funnel handle.

As a further description of the above technical solution:

the top of the funnel handle is communicated with an external air pipe, and an air exhaust pipeline is inserted into the external air pipe.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. according to the utility model, the air suction filter type shielding cover is adopted, and the air suction function of the shielding cover required during spraying is combined with the air suction port during spraying, so that on one hand, the motor air pump is not required to be additionally added to the waste gas sucked back into the inner side of the shielding cover in a concentrated manner, the cost of the shielding cover for recycling the waste gas is reduced, and on the other hand, the air suction port of the spraying gun is filtered, and the possibility that the dust entering from the air inlet blocks the spraying gun is reduced.

Drawings

Fig. 1 shows a schematic perspective view of a structure provided according to an embodiment of the present utility model;

FIG. 2 illustrates an exploded view of a three-dimensional structure provided in accordance with an embodiment of the present utility model;

fig. 3 shows a schematic view of a vertical cross-section of an expansion filter cartridge provided in accordance with an embodiment of the present utility model.

Legend description:

1. spray gun nozzle; 11. an external thread; 2. a funnel-shaped shield; 21. a plug-in groove; 22. an arc-shaped baffle bowl; 23. a support buckle; 24. a funnel handle; 25. externally connected air pipes; 3. a transparent plugboard; 4. an air extraction pipeline; 5. movably installing a tube; 51. an internal thread; 52. supporting the wing; 53. a gas sealing cover; 6. an expansion filter element; 61. annular air holes; 62. and a diagonal filter ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a general waste gas of spraying keeps off cover, includes the funnel shape that spraying gun shower nozzle 1 and spraying gun shower nozzle 1 outside set up keeps off cover 2, and funnel shape keeps off cover 2 annular end bottom outer fringe department is provided with arc fender bowl 22, and the funnel stalk portion 24 interpolation of funnel shape fender cover 2 rear side has movable mounting tube 5, and clearance department between movable mounting tube 5 and the funnel stalk portion 24 is provided with expansion filter core 6, and funnel shape keeps off cover 2 inboard is provided with the support buckle 23 of cooperation movable mounting tube 5 butt.

The funnel-shaped blocking cover 2 is arranged at the opening of the spray gun nozzle 1, and the release agent mist sprayed out of the spray gun nozzle 1 is guided by the funnel-shaped blocking cover 2, so that the overflow and dispersion of the release agent at the spray gun nozzle 1 are reduced; simultaneously, the air suction pipeline 4 is communicated with the air inlet part of the spraying gun, so that the air suction pipeline 4 is used for sucking air when the spraying gun works and sucks air, at the moment, the funnel handle 24 is closed by the air sealing cover 53, the funnel handle 24 can suck air from the gap between the funnel-shaped baffle cover 2 and the movable mounting pipe 5, the expansion filter element 6 arranged on the outer side of the movable mounting pipe 5 filters release agent contained in air during air suction, on one hand, pollution caused by release agent scattering is reduced, on the other hand, the air inlet part of the spraying gun is filtered, blockage caused by air inlet mixed impurities is reduced, and meanwhile, when the release agent accumulated at the funnel-shaped baffle cover 2 overflows in a liquid state, the release agent can be accepted and stored by the arc-shaped baffle bowl 22, so that pollution caused by release agent dripping is avoided.

Specifically, as shown in fig. 1, the top of the funnel-shaped baffle cover 2 is provided with a transparent plugboard 3, the funnel-shaped baffle cover 2 is provided with a plug groove 21 for plugging in the transparent plugboard 3, wherein the transparent plugboard 3 is used for a user to observe the spraying position of the spray gun nozzle 1 through the transparent plugboard 3 when the funnel-shaped baffle cover 2 is far away from spraying mist, and meanwhile, the transparent plugboard 3 is detachably arranged, so that the spray gun nozzle is convenient to detach and clean after being polluted by release agent mist.

Specifically, as shown in fig. 3, the expansion filter element 6 includes a plurality of inclined filter rings 62 disposed in the middle section and having a plurality of annular holes 61 disposed in the annular ends of the two sides, and the plurality of inclined filter rings 62 are all in an annular cone-shaped structure, wherein the annular holes 61 are configured to allow gas to pass through the annular rings at the two ends of the expansion filter element 6, and when the gas enters the gap between the plurality of inclined filter rings 62, the gas mist of the release agent contained in the gas is filtered by the inclined filter rings 62, so that the air suction pipe 4 provides filtered dust-settling waste gas for the air inlet of the spray gun, and the possibility that the air inlet of the spray gun is blocked by impurities is reduced.

Specifically, as shown in fig. 1 and fig. 2, the movable mounting tube 5 includes an air sealing cover 53 attached to and sealed at the opening of the funnel stem 24, a support blocking fin 52 engaged with the expansion filter element 6 in a matching manner, and an internal thread 51 provided on the inner side, where the support blocking fin 52 is used to limit the overall length of the expansion filter element 6, so that the plurality of inclined filter rings 62 are mutually pressed to reduce gaps, and the air sealing cover 53 is used to block the opening of the funnel stem 24 and avoid air intake from one end of the funnel stem 24 far from the support buckle 23.

Specifically, as shown in fig. 1, an external thread 11 in screwed connection with an internal thread 51 is provided on the spray gun nozzle 1, and an expansion end of the spray gun nozzle 1 is in matched and abutting connection with the funnel handle 24, wherein when the internal thread 51 and the external thread 11 are mutually screwed and fixed, on one hand, the spray gun nozzle 1 and the movable mounting tube 5 are mutually fixed, meanwhile, the spray gun nozzle 1 extrudes the rear side of the funnel-shaped blocking cover 2, and the movable mounting tube 5 extrudes a supporting buckle 23 on the front side of the funnel-shaped blocking cover 2, so that the funnel-shaped blocking cover 2 is fixedly mounted on the spray gun nozzle 1.

Specifically, as shown in fig. 1 and 2, the top of the funnel handle 24 is communicated with an external air pipe 25, and the external air pipe 25 is inserted with an air exhaust pipeline 4, wherein the external air pipe 25 is arranged at one end, far away from the supporting buckle 23, of the funnel handle 24, so that the external air pipe 25 is filtered through the expansion filter element 6 when air is taken in.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a general waste gas of spraying keeps off cover, includes spraying rifle shower nozzle (1) and the funnel shape that spraying rifle shower nozzle (1) outside set up keeps off cover (2), its characterized in that, funnel shape keeps off cover (2) annular end bottom outer fringe department is provided with arc fender bowl (22), movable mounting tube (5) have been inserted in funnel stalk portion (24) of funnel shape fender cover (2) rear side, clearance department is provided with expansion filter core (6) between movable mounting tube (5) and the funnel stalk portion (24), funnel shape keeps off cover (2) inboard is provided with support buckle (23) of cooperation movable mounting tube (5) butt.

2. The universal exhaust shield for spraying according to claim 1, wherein the top of the funnel-shaped shield (2) is provided with a transparent plugboard (3), and the funnel-shaped shield (2) is provided with a plug-in slot (21) matched with the transparent plugboard (3) for plug-in connection.

3. A spray universal exhaust shield according to claim 1, wherein the expansion filter element (6) comprises a plurality of inclined filter rings (62) arranged in a middle section and having a plurality of annular air holes (61) arranged in an annular shape on annular ends of two sides, and the inclined filter rings (62) are all in an annular cone-shaped structure.

4. A universal exhaust shield for spraying according to claim 3, characterized in that the movable mounting tube (5) comprises an air sealing cover (53) which is attached to and sealed at the opening of the funnel handle (24), a supporting blocking fin (52) which is in fit and clamping connection with the expansion filter element (6), and an inner thread (51) which is arranged on the inner side.

5. The universal exhaust shield for spraying according to claim 4, wherein the spray gun nozzle (1) is provided with external threads (11) which are screwed and connected with internal threads (51), and the expansion end of the spray gun nozzle (1) is matched and abutted with the funnel handle (24).

6. The universal exhaust shield for spraying according to claim 5, wherein an external air pipe (25) is communicated with the top of the funnel handle (24), and the external air pipe (25) is inserted with an air extraction pipeline (4).