CN219804844U

CN219804844U - Sealing cover for sprayer

Info

Publication number: CN219804844U
Application number: CN202321206908.9U
Authority: CN
Inventors: 李建立
Original assignee: Henan Fengfengwu Environmental Technology Co ltd
Current assignee: Henan Fengfengwu Environmental Technology Co ltd
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2023-10-10
Anticipated expiration: 2033-05-17

Abstract

The utility model relates to the technical field of sprayers and discloses a sealing cover for a sprayer, which comprises a shell, and a water inlet structure arranged on one side of the top of the shell and extending out of the top of the shell, wherein the shell comprises an outer shell and an inner shell, the water inlet structure comprises a threaded annular plate arranged on one side of the top of the outer shell and an extending annular plate arranged on one side of the top of the inner shell, the extending annular plate is arranged in the threaded annular plate and is separated from the inner wall of the threaded annular plate, the top surfaces of the threaded annular plate and the extending annular plate are respectively provided with a first annular groove and a second annular groove, and sealing rings are clamped on the top surfaces of the threaded annular plate and the extending annular plate; the utility model provides a sealing cover for a sprayer, which is provided with a sealing ring, an extending annular plate and a sealing structure, wherein the sealing structure is arranged at the center of a top cover and extends into the extending annular plate, a gap between the extending annular plate and the inner wall of a threaded annular plate is sealed by the sealing ring, and a space between the top cover and the inner wall of the extending annular plate is sealed by the sealing structure.

Description

Sealing cover for sprayer

Technical Field

The utility model relates to the technical field of sprayers, in particular to a sealing cover for a sprayer.

Background

The sprayer is a short name of spraying equipment, is an appliance for changing liquid medicine or other liquid into mist by utilizing the suction effect and uniformly spraying the liquid medicine or other liquid onto other objects, and consists of a device for compressing air, a tubule, a nozzle and the like; at present, the sprayer is widely applied to people flow gathering places such as hospitals, subway stations or high-speed rail stations, and mainly used for spraying and sterilizing.

The atomizer needs constantly to unscrew the top cap and adds liquid at the in-process of using, and the top cap can be unscrewed repeatedly and screw up, and long-time unscrewing screws up can lead to the wearing and tearing of lid internal thread to lead to the top cap not hard up production sealed not tight condition, and then lead to top cap department weeping.

The utility model patent document with the application number of 202220442379.1 discloses a water leakage preventing structure of an opening of an electric sprayer, which belongs to the technical field of electric sprayers and comprises a liquid reservoir, wherein a water inlet opening is formed in the liquid reservoir, the water inlet opening penetrates through a shell and extends out of the shell, the shell is mounted on the liquid reservoir, a sealing groove and a screw connector are formed in the water inlet opening, a sealing part is arranged in the sealing groove, and a cover body is connected to the screw connector. According to the utility model, the sealing groove is arranged on the water inlet part on the liquid reservoir, and the sealing part is arranged in the sealing groove, so that the sealing performance between the peripheral side of the water inlet part and the shell of the electric sprayer is good, and no gap exists, so that water cannot flow into a gap between the liquid reservoir and the shell when the water inlet part of the liquid reservoir of the electric sprayer is filled, the electric fault caused by water inlet is reduced, and the service life of the machine is prolonged; however, in this technical scheme, only seal through sealing member with between intake portion week side and the electric nebulizer casing, the space between lid and the water inlet does not set up seal structure, and the lid spiral sets up in the water inlet outside, and long-time wearing and tearing can lead to the lid not hard up to lead to liquid to flow out from the lid.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a sealing cover for a sprayer, which solves the problems in the prior art.

Technical proposal

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a sealed lid for atomizer, casing, setting are in casing top one side and extend the structure of intaking at casing top, the casing includes shell and inner shell, the structure of intaking is including setting up the screw thread annular slab in shell top one side and setting up the extension annular slab in inner shell top one side, the extension annular slab sets up in the inside of screw thread annular slab and is separated with the inner wall of screw thread annular slab, screw thread annular slab and the top surface of extension annular slab are provided with first annular groove and second annular groove respectively, screw thread annular slab and the top surface joint of extension annular slab have the sealing washer, the surface threaded connection of screw thread annular slab has the top cap, the center of top cap is provided with the seal structure who extends to the extension annular slab inside.

Optionally, the seal structure includes the air-filled structure of setting in the top cap top surface and sets up the gasbag in the top cap bottom surface, the gasbag extends to the inside of extension annular plate, air-filled structure and the inside intercommunication of gasbag.

Optionally, a one-way inflation valve is arranged in the center of the top surface of the inflation structure, and a deflation valve capable of pressing and deflating is arranged in the center of the one-way inflation valve.

Optionally, the bottom of sealing washer is provided with first bulge loop, second bulge loop and third bulge loop, and first bulge loop and third bulge loop set up the both sides at the second bulge loop respectively.

Optionally, the second convex ring is clamped in a gap between the extending ring plate and the inner wall of the threaded ring plate.

Optionally, the first convex ring is clamped in the second annular groove on the top surface of the extending ring plate, and the third convex ring is clamped in the first annular groove on the top surface of the threaded ring plate.

Optionally, the extending ring plate is of a funnel-shaped structure, and the bottom of the extending ring plate extends to the inside of the inner shell.

Optionally, a handle is arranged in the center of the top surface of the shell.

The utility model provides a sealing cover for a sprayer, which has the following beneficial effects:

the utility model provides a sealing cover for a sprayer, which is provided with a sealing ring, an extending annular plate and a sealing structure, wherein the sealing structure is arranged at the center of a top cover and extends into the extending annular plate, a gap between the extending annular plate and the inner wall of a threaded annular plate is sealed by the sealing ring, a space between the top cover and the inner wall of the extending annular plate is sealed by the sealing structure, the sealing performance of the sealing cover is enhanced by the combination of the sealing ring and the sealing structure, and liquid leakage of the sealing cover is prevented.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a section A-A of FIG. 2;

fig. 4 is an enlarged view of a portion B in fig. 3.

In the figure: 1. a housing; 2. an inner case; 3. a threaded annular plate; 4. an extension ring plate; 5. a seal ring; 6. a top cover; 7. an air bag; 8. a one-way inflation valve; 9. a bleed valve; 10. a handle.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

As shown in fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a sealed lid for atomizer, includes the casing, sets up in casing top one side and extend the water inlet structure at casing top, the casing includes shell 1 and inner shell 2, water inlet structure is including setting up the screw thread annular slab 3 in shell 1 top one side and setting up the extension annular slab 4 in inner shell 2 top one side, extension annular slab 4 sets up in the inside of screw thread annular slab 3 and separates with the inner wall of screw thread annular slab 3, screw thread annular slab 3 and the top surface of extension annular slab 4 are provided with first annular groove and second annular groove respectively, screw thread annular slab 3 and the top surface joint of extension annular slab 4 have sealing washer 5, the surface threaded connection of screw thread annular slab 3 has top cap 6, the center of top cap 6 is provided with the seal structure that extends to the extension annular slab 4 inside, seals the gap that will extend annular slab 4 and screw thread annular slab 3 inner wall separate through sealing washer 5 to guarantee that liquid can not pass through between gap inflow inner shell and the shell again, seal structure seals up the space between top cap 6 and the extension annular slab inner wall, further will improve the leakproofness of this sealed lid, seal structure's top cap setting up and can prevent that liquid from oozing out after long-term wear and tear too.

As shown in fig. 3 and fig. 4, the sealing structure comprises an air charging structure arranged on the top surface of the top cover 6 and an air bag 7 arranged on the bottom surface of the top cover 6, the air bag 7 extends to the inside of the extending annular plate 4, the air charging structure is communicated with the inside of the air bag 7, a one-way air charging valve 8 is arranged in the center of the top surface of the air charging structure, a deflation valve 9 capable of being used for pressing and deflating is arranged in the center of the one-way air charging valve 8, a user can press the air charging structure, so that the air bag 7 is inflated into the air bag 7 through the one-way air charging valve 8, the air bag 7 is tightly attached to the inner wall of the extending annular plate 4, and when the top cover 6 needs to be unscrewed, the air in the air bag 7 is discharged through the deflation valve 9, and then the top cover 6 is unscrewed.

As shown in fig. 2, fig. 3 and fig. 4, the bottom of the sealing ring 5 is provided with a first convex ring, a second convex ring and a third convex ring, the first convex ring and the third convex ring are respectively arranged at two sides of the second convex ring, the second convex ring is clamped in a gap between the extending ring plate 4 and the inner wall of the threaded ring plate 3, the first convex ring is clamped in a second annular groove on the top surface of the extending ring plate 4, in the state that the inner wall of the top cover 6 is tightly attached to the threaded ring plate 3, the sealing ring 5 is tightly attached to the inner top wall of the top cover 6, the gap between the extending ring plate 4 and the inner wall of the threaded ring plate 3 is prevented from being penetrated by liquid, the third convex ring is clamped in the first annular groove on the top surface of the threaded ring plate 3, the extending ring plate 4 is of a funnel-shaped structure, the bottom of the extending to the inner side of the inner shell 2, and the handle 10 is arranged at the center of the top surface of the outer shell 1.

The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.

In the utility model, the working steps of the device are as follows:

1. firstly, unscrewing the top cover 6, and clamping a first convex ring and a third convex ring at the bottom of the sealing ring 5 into a first annular groove of the threaded annular plate 3 and a second annular groove of the extended annular plate 4 respectively;

2. secondly, filling liquid into the inner shell 2, and then attaching and screwing the inner wall of the top cover 6 and the outer surface of the threaded annular plate 3;

3. then, the inflation structure is pressed, and the air bag 7 is inflated through the one-way inflation valve 8, so that the air bag 7 clings to the inner wall of the extension ring plate 4;

4. finally, when liquid needs to be added, the air in the air bag 7 is discharged by pressing the air release valve 9, and then the top cover 6 is unscrewed for liquid adding.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sealed lid for atomizer, includes the casing, sets up at casing top one side and extend the water inlet structure at casing top, its characterized in that: the shell comprises an outer shell (1) and an inner shell (2), the water inlet structure comprises a threaded annular plate (3) arranged on one side of the top of the outer shell (1) and an extension annular plate (4) arranged on one side of the top of the inner shell (2), the extension annular plate (4) is arranged inside the threaded annular plate (3) and separated from the inner wall of the threaded annular plate (3), a first annular groove and a second annular groove are respectively arranged on the top surfaces of the threaded annular plate (3) and the extension annular plate (4), a sealing ring (5) is clamped on the top surfaces of the threaded annular plate (3) and the extension annular plate (4), a top cover (6) is connected to the outer surface of the threaded annular plate (3), and a sealing structure extending to the inside of the extension annular plate (4) is arranged in the center of the top cover (6).

2. A seal cap for a nebulizer as claimed in claim 1, wherein: the sealing structure comprises an inflation structure arranged on the top surface of the top cover (6) and an air bag (7) arranged on the bottom surface of the top cover (6), wherein the air bag (7) extends to the inside of the extending annular plate (4), and the inflation structure is communicated with the inside of the air bag (7).

3. A seal cap for a nebulizer as claimed in claim 2, wherein: the center of the top surface of the inflatable structure is provided with a one-way inflation valve (8), and the center of the one-way inflation valve (8) is provided with a deflation valve (9) capable of pressing and deflating.

4. A seal cap for a nebulizer as claimed in claim 1, wherein: the bottom of sealing washer (5) is provided with first bulge loop, second bulge loop and third bulge loop, and first bulge loop and third bulge loop set up the both sides at the second bulge loop respectively.

5. A seal cap for a nebulizer as claimed in claim 4, wherein: the second convex ring is clamped in a gap between the extending ring plate (4) and the inner wall of the threaded ring plate (3).

6. A seal cap for a nebulizer as claimed in claim 4, wherein: the first convex ring is clamped in a second annular groove on the top surface of the extension annular plate (4), and the third convex ring is clamped in a first annular groove on the top surface of the threaded annular plate (3).

7. A sealing cap for a nebulizer as claimed in any one of claims 1 to 6, wherein: the extending ring plate (4) is of a funnel-shaped structure, and the bottom of the extending ring plate extends to the inside of the inner shell (2).

8. A sealing cap for a nebulizer as claimed in any one of claims 1 to 6, wherein: a handle (10) is arranged in the center of the top surface of the shell (1).