CN219463826U

CN219463826U - Pipeline-free electric air pump handle cover of sprayer

Info

Publication number: CN219463826U
Application number: CN202320331993.5U
Authority: CN
Inventors: 干雄伟
Original assignee: Nantong Jiada Precision Manufacturing Co ltd
Current assignee: Nantong Jiada Precision Manufacturing Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-08-04
Anticipated expiration: 2033-02-24

Abstract

The electric air pump handle cover without pipeline for sprayer includes one cover for sealing the barrel, one electric air pump integrated inside the cover and one motor for driving the electric air pump; the air inlet of the electric air pump is communicated with the atmosphere, and the air outlet of the electric air pump is communicated with the barrel body; the handle cover also comprises a handle part connected to the top end of the cover body, and a power supply component for supplying power to the motor is integrated in the handle part. The utility model improves the electric air pump on the handle cover of the electric air pump, and cancels the air pipeline structure, so that the sprayer reduces the manufacturing cost and the whole volume under the condition of meeting the basic use; compared with the prior art, the mechanical air pump component of the traditional sprayer can be directly replaced by the scheme, the mechanical air pump component can be suitable for the barrel body of the traditional sprayer, and the universality is strong; the design that the rechargeable battery is arranged in the handle reduces the whole volume of the handle cover and improves the environmental protection.

Description

Pipeline-free electric air pump handle cover of sprayer

Technical Field

The utility model relates to the field of sprayers, in particular to a pipeless electric air pump handle cover of a sprayer.

Background

The sprayer is a common spraying device, can be used for air humidification and plant irrigation, and can also be used for spraying disinfection liquid and pesticides, and the sprayer is widely applied to places such as families, farms, units, schools and the like due to convenient use and proper volume.

The existing sprayer is generally mainly composed of a barrel body, an air pump assembly and a water spraying assembly, wherein a handle cover is connected to the barrel body and plays a role in sealing the barrel body, and a handle on the handle cover can be gripped by a person to lift and move the sprayer. Because the air pump component is of a traditional inflator type structure, the volume is large, and the structure is complex, an electric air pump sprayer is developed in the industry.

However, the sprayer of the existing electric air pump has the following problems:

1. the electric air pump is unreasonable in structural design, cannot be matched with the barrel body of the traditional sprayer, and needs to be redesigned;

2. the power supply of the electric air pump is a dry battery and is arranged in the cover body of the handle cover, so that the cover body has huge volume, the use cost of the dry battery is high, and the electric air pump is not environment-friendly;

3. the traditional sprayer uses a water pump as power, so that chemical reagents such as medicine making and the like pass through the water pump, components in the water pump are corroded, the service life of the components is very poor, and the number of sprayable solution species is small;

4. the traditional technology is also limited in new function expansion, and cannot meet the current multi-purpose requirements (such as foam injection, aerosol injection, drum herbicide injection and the like).

To this end, i am proposing an electric air pump handle cover for a sprayer with application number 201610486752.2, which adopts an electric air pump and a rechargeable battery, and integrates the structures of the battery, the electric air pump, and the motor in the handle cover, while solving the above problems, the following disadvantages still exist:

through the design of the pressurizing air pipe and the mechanical pressure switch, the pressure can be regulated according to the pressure in the barrel body, and the reliability and the durability during use are improved. But the cost of this product is still somewhat higher than some manual sprayer products, and there is no way to replace the conventional products.

Disclosure of Invention

The utility model aims to provide a pipeless electric air pump handle cover of a sprayer.

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

the electric air pump handle cover without pipeline for sprayer includes one cover for sealing the barrel, one electric air pump integrated inside the cover and one motor for driving the electric air pump; the air inlet of the electric air pump is communicated with the atmosphere, and the air outlet of the electric air pump is communicated with the barrel body;

the motor also comprises a handle part connected to the top end of the cover body, and a power supply component for supplying power to the motor is integrated in the handle part.

In a further scheme, the cover body is in threaded connection with the barrel opening of the barrel body, and the position of the threaded structure on the cover body can be adjusted according to the position of the threaded structure in or out of the barrel opening.

In a further scheme, the bottom end of the cover body extends into the barrel opening of the barrel body, so that the air outlet is positioned below the joint of the barrel body and the handle cover and is close to the main cavity of the barrel body.

In further scheme, electric air pump with the motor sets up in the inside cavity of lid portion, just the motor is located the top of electric air pump, the gas outlet of electric air pump is located lid portion bottom face, consequently more suitable with electric air pump arrangement in the below, the blowout gas can not pass through the motor, and the motor is last also be convenient for be connected with the power supply module electricity, and it is reasonable to arrange.

In a further aspect, the air inlet communicates with the atmosphere through an air inlet passage provided in the cover portion or the handle portion.

In a further scheme, the air outlet is arranged in the protection cavity at the bottom end of the cover body, an opening penetrating through the bottom end face of the cover body is formed in the bottom of the protection cavity, a one-way valve is arranged in the opening, and liquid and gas in the barrel body can be prevented from flowing backwards to enter the electric air pump through the arrangement of the one-way valve, so that damage is caused to the electric air pump.

In a further aspect, the power supply assembly is disposed in the interior cavity of the handle portion and includes a control circuit board electrically connected to a switch button disposed on the handle portion, and a rechargeable battery and a charging jack electrically connected to the control circuit board. The motor is electrically connected with the control circuit board, and the motor can be switched on and off through the switch button.

In a further scheme, the control circuit board and the rechargeable battery are arranged in the inner cavity of the grabbing end of the handle part side by side, the switch button is arranged above the control circuit board, the charging jack is arranged on one side of the bottom of the outer end of the control circuit board, the structural design of the handle cover can be simplified, and the reliability and stability of the operation of the handle cover are improved.

In a further scheme, the charging jack penetrates through the handle portion, a waterproof plug is arranged at the orifice, a waterproof effect is achieved, and the charging jack can be matched with a charging wire and used for charging a product.

The working principle and the advantages of the utility model are as follows:

according to the utility model, the electric air pump on the electric air pump handle cover is improved, the air pipeline structure is canceled, and the air output by the electric air pump is directly communicated into the barrel body without any intermediate pipeline, so that the manufacturing cost is reduced and the whole volume is reduced under the condition that the sprayer meets the basic use condition; compared with the prior art, the mechanical air pump component of the traditional sprayer can be directly replaced by the scheme, the mechanical air pump component can be suitable for the barrel body of the traditional sprayer, and the universality is strong;

the rechargeable battery is arranged in the handle, so that the internal space of the handle cover can be effectively utilized, the whole volume of the handle cover is reduced, and the environmental protection performance is improved;

in sum, the scheme has the advantages of reasonable structural design, small volume, strong universality, low cost and high reliability.

Drawings

FIG. 1 is a perspective view of an embodiment of the present utility model with a handle cover open;

FIG. 2 is a front view of an embodiment of the present utility model with a handle cover having an internal thread structure open;

FIG. 3 is a front view of an embodiment of the present utility model with the handle cover having an externally threaded structure open;

fig. 4 is a partial cross-sectional view of a handle cover with a one-way valve according to an embodiment of the present utility model.

In the above figures: 1. a cover body; 2. an electric air pump; 3. a motor; 4. an air outlet; 5. a handle portion; 6. a one-way valve; 7. a control circuit board; 8. a rechargeable battery; 9. a charging jack; 10. a switch button.

Description of the embodiments

The utility model is further described below with reference to the accompanying drawings and examples:

examples: the present utility model will be described in detail with reference to the drawings, wherein modifications and variations are possible in light of the teachings of the present utility model, without departing from the spirit and scope of the present utility model, as will be apparent to those of skill in the art upon understanding the embodiments of the present utility model.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present disclosure. Singular forms such as "a," "an," "the," and "the" are intended to include the plural forms as well, as used herein.

As used herein, "connected" or "positioned" may refer to two or more components or devices in physical contact with each other, or indirectly, or in operation or action with each other.

As used herein, the terms "comprising," "including," "having," and the like are intended to be open-ended terms, meaning including, but not limited to.

The term (terms) as used herein generally has the ordinary meaning of each term as used in this field, in this disclosure, and in the special context, unless otherwise noted. Certain terms used to describe the present disclosure are discussed below, or elsewhere in this specification, to provide additional guidance to those skilled in the art in connection with the description herein.

The terms "front", "rear", "upper", "lower", "left", "right" and the like used herein are directional terms, and are merely used to describe positional relationships among the structures in the present application, and are not intended to limit the present protection scheme and the specific direction in actual implementation.

Referring to fig. 1 to 4, a ductless electric air pump handle cover of a sprayer includes a cover body 1 for sealing a tub body and a handle portion 5 connected to the top end of the cover body 1.

The handle portion 5 has a power supply unit integrated therein for supplying power to the motor 3.

The power supply assembly is arranged in the inner cavity of the handle part 5 and comprises a control circuit board 7, a rechargeable battery 8 and a charging jack 9, wherein the rechargeable battery 8 and the charging jack 9 are electrically connected with the control circuit board 7, the control circuit board 7 is electrically connected with a switch button 10 arranged on the handle part 5, and the rechargeable battery 8 is a lithium battery.

Specifically, the control circuit board 7 and the rechargeable battery 8 are arranged in the inner cavity of the grabbing end of the handle part 5 side by side, the switch button 10 is arranged above the control circuit board 7, the charging jack 9 is arranged on one side of the bottom of the outer end of the control circuit board 7, and the charging device is reasonable in layout and convenient to assemble and use. The charging jack 9 penetrates through the handle portion 5, and a waterproof plug is arranged at the orifice, so that a waterproof effect is achieved.

An electric air pump 2 and a motor 3 for driving the electric air pump 2 to work are integrated in the cover body 1; the air inlet of the electric air pump 2 is communicated with the atmosphere, and the air outlet 4 is communicated with the barrel body. The electric air pump 2 can adopt 370 micro vacuum pumps.

The cover body 1 is in threaded connection with the barrel opening of the barrel body, and the position of the threaded structure on the cover body 1 can be adjusted according to the position of the threaded structure in or out of the barrel opening.

When the bung hole is of an external thread structure, namely the thread structure is positioned on the periphery of the bung hole, the cover body part 1 comprises an inner cover body and an outer cover body, the two cover bodies are nested inside and outside and are connected with the top end into a whole, an annular cavity formed between the two cover bodies is matched with the bung hole of the bung body, an internal thread structure is arranged on the outer wall of the inner cavity of the annular cavity, and the internal thread structure is matched with the external thread structure of the bung hole, as shown in figures 1-2;

when the bung hole is of an internal thread structure, i.e. the thread structure is located on the inner circumferential surface of the bung hole, the thread structure of the lid portion 1 is disposed on the outer circumferential surface of the lid portion 1, i.e. an external thread structure, which is matched with the internal thread structure of the bung hole, see fig. 3.

The bottom end of the cover body part 1 is cylindrical and extends into the barrel opening of the barrel body, so that the air outlet 4 is positioned below the joint of the barrel body and the handle cover and is close to the main chamber of the barrel body. The electric air pump 2 with the motor 3 sets up in the inside cavity of lid 1, just motor 3 is located the top of electric air pump 2, the gas outlet 4 of electric air pump 2 just is located lid 1 bottom end face, therefore more suitable with electric air pump 2 arrangement in the below, pump out gas can not pass through motor 3, and motor 3 is convenient for also be connected with power supply module electricity in last, and it is reasonable to arrange.

The motor 3 is electrically connected with the control circuit board 7, and the switch of the motor 3 can be realized through the switch button 10.

The air intake communicates with the atmosphere through an air intake passage provided in the cover portion 1 or the handle portion 5, which extends through the cover portion 1 or through the cover portion 1 and through the handle portion 5.

The air outlet 4 is arranged in a protection cavity at the bottom end of the cover body 1, an opening penetrating through the bottom end face of the cover body 1 is arranged at the bottom of the protection cavity, and a one-way valve 6 is arranged in the opening, see fig. 4. The arrangement of the one-way valve 6 can prevent liquid in the barrel from entering the electric air pump 2 to cause damage to the electric air pump; the check valve 6 may be provided as needed.

When the electric air pump is used, the motor 3 works, the electric air pump 2 starts to pump air through the air inlet, and simultaneously, the pumped air is continuously injected into the barrel body through the air outlet 4, so that the air pressure value in the barrel body is increased, and under the aerodynamic force, the liquid in the barrel body can be conveyed to the position of the spray rod spray head assembly on the barrel body.

The whole handle cover has no pipeline design, compact structure, small volume, convenient assembly and maintenance, reduced product energy consumption, reduced noise and capability of matching with the barrel body of the traditional sprayer; the pump body is not contacted with liquid, so that the problem that the water pump is not corrosion-resistant is solved, and the air pump is used, so that the multipurpose and multi-scene application such as water vapor foaming, aerosol spraying, water spraying, air spraying and the like can be provided.

The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims

1. The utility model provides a no pipeline formula electric air pump handle lid of atomizer which characterized in that: comprises a cover body (1) for sealing the barrel body, wherein an electric air pump (2) and a motor (3) for driving the electric air pump (2) to work are integrated in the cover body (1); an air inlet of the electric air pump (2) is communicated with the atmosphere, and an air outlet (4) is communicated with the barrel body; the electric air pump (2) and the motor (3) are arranged in the inner cavity of the cover body (1), and the motor (3) is positioned above the electric air pump (2);

the motor also comprises a handle part (5) connected to the top end of the cover body part (1), and a power supply component for supplying power to the motor (3) is integrated in the handle part (5).

2. A ductless electric air pump handle cover for a sprayer according to claim 1, wherein: the cover body (1) is connected with the barrel opening of the barrel body through threads.

3. A ductless electric air pump handle cover for a sprayer according to claim 1, wherein: the bottom end of the cover body (1) extends into the barrel opening of the barrel body.

4. A ductless electric air pump handle cover for a sprayer according to claim 1, wherein: the air inlet is communicated with the atmosphere through an air inlet channel arranged on the cover body part (1) or the handle part (5).

5. A ductless electric air pump handle cover for a sprayer according to claim 1, wherein: the air outlet (4) is arranged in a protection cavity at the bottom end of the cover body (1), an opening penetrating through the bottom end face of the cover body (1) is arranged at the bottom of the protection cavity, and a one-way valve (6) is arranged in the opening.

6. A ductless electric air pump handle cover for a sprayer according to claim 1, wherein: the power supply assembly is arranged in the inner cavity of the handle part (5) and comprises a control circuit board (7), a rechargeable battery (8) and a charging jack (9), wherein the rechargeable battery (8) and the charging jack (9) are electrically connected with the control circuit board (7), and the control circuit board (7) is electrically connected with a switch button (10) arranged on the handle part (5).

7. The ductless electric air pump handle cover for a sprayer of claim 6, wherein: the control circuit board (7) and the rechargeable battery (8) are arranged in the inner cavity of the grabbing end of the handle part (5) side by side, the switch button (10) is arranged above the control circuit board (7), and the charging jack (9) is arranged on one side of the bottom of the outer end of the control circuit board (7).

8. A ductless electric air pump handle cover for a sprayer according to claim 7, wherein: the charging jack (9) penetrates through the handle part (5) and is provided with a waterproof plug at the orifice.