CN216834447U

CN216834447U - Handheld air exhaust device

Info

Publication number: CN216834447U
Application number: CN202123074082.9U
Authority: CN
Inventors: 陈琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-06-28
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses a handheld air exhaust device, it includes: the air nozzle part is connected to the front end of the main body part in a sealing manner and is provided with a penetrating air suction channel; the main body part is provided with a shell, an air suction pump and a power supply part for supplying power to the air suction pump are arranged in the shell, wherein the front end of the shell is provided with a connecting part connected with the air nozzle part, and the connecting part is provided with an air suction hole communicated with the air suction channel and an air exhaust hole communicated with the outside; the shell of the main body part is also provided with a pressure opening clamping strip. The utility model discloses built-in aspiration pump, aspiration pump are not directly connected with the vacuum bag, are connected with the valve on the vacuum bag through the gas nozzle portion, can ensure to have better gas tightness like this in bleeding. Meanwhile, even if residual liquid and the like in the vacuum bag are pumped out, the residual liquid and the like cannot directly enter the air pump, but are collected through the inner cavity of the air nozzle part, so that the air pump is prevented from being damaged. The utility model discloses directly integrated pressure mouthful holding strip, not only convenient to use to can not lose.

Description

Handheld air exhaust device

The technical field is as follows:

the utility model relates to the technical field of air exhaust products, in particular to a handheld air exhaust device.

Background art:

vacuum bags are often used in people's daily lives, of which zipper-type vacuum bags are a common one. The opening of the zipper type vacuum bag is provided with a sealing rubber strip which can be combined in a sealing way, when the zipper type vacuum bag is used, the opposite sealing rubber strip at the opening of the vacuum bag can be pressed through a configured pressing strip, and therefore the vacuum bag is sealed.

In food packaging, in order to increase the storage time of food, it is common to draw out as much air as possible from the vacuum bag, so that a negative pressure is formed in the vacuum bag. In the storage bag, it is also necessary to draw air out of the storage bag in order to compress the space of the storage bag as much as possible. The traditional way is to press the air out of the bag by manual pressing, which is not only laborious, but also poor in effect. For this purpose, vacuum bags are available which can be evacuated by means of an air pump. The vacuum bag is provided with a valve connected to a suction pump. When the vacuum bag is used, the air pump is connected with the valve, then air in the vacuum bag is pumped out, and then the valve is covered by the cover.

The existing air pump mostly adopts a relatively simple air pump, and is single in function and inconvenient to operate. In view of this, the present inventors propose the following.

The utility model has the following contents:

the utility model aims to solve the technical problem that the prior art is not enough to be overcome, and a handheld air exhaust device convenient to operation is provided.

In order to solve the technical problem, the utility model discloses a following technical scheme: a hand-held suction device, comprising: the air nozzle part is connected to the front end of the main body part in a sealing manner and is provided with a penetrating air suction channel; the main body part is provided with a shell, an air suction pump and a power supply part for supplying power to the air suction pump are arranged in the shell, wherein the front end of the shell is provided with a connecting part connected with the air nozzle part, and the connecting part is provided with an air suction hole communicated with the air suction channel and an air exhaust hole communicated with the outside; the shell of the main body part is also provided with a pressure opening clamping strip.

Furthermore, in the above technical solution, the front end of the air nozzle portion is provided with a silica gel suction nozzle, a cavity is formed at the rear end of the air nozzle portion, and the air suction channel is composed of the suction nozzle and the cavity which are communicated with each other.

Further, in the above technical solution, the air nozzle portion is connected to the connecting portion through the cavity, and a sealing ring is disposed between the air nozzle portion and the connecting portion.

Further, in the above technical solution, the air tap portion and the connecting portion are connected by a thread.

Further, in the above technical solution, the air exhaust hole is disposed on a front end surface of the connection portion, and the air exhaust hole is disposed on a side surface of the connection portion.

Further, in the above aspect, the power supply unit includes: the circuit board, the battery and the interface that charges of being connected with the circuit board.

Further, in the above technical solution, the casing is provided with a switch for triggering whether the circuit board power supply circuit is turned on or off.

Further, in the above technical solution, a gap is formed between the pressing strip and the housing.

Further, in the above technical solution, the crimping clip strip and the housing are integrally formed.

Further, in the above technical solution, the main body portion is in a column shape.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect:

firstly, the utility model discloses built-in aspiration pump, aspiration pump are not direct to be connected with the vacuum bag, are connected with the valve on the vacuum bag through the gas nozzle portion, can ensure to have better gas tightness like this in bleeding. Meanwhile, even if residual liquid and the like in the vacuum bag are pumped out, the residual liquid and the like cannot directly enter the air pump, but are collected through the inner cavity of the air nozzle part, so that the air pump is prevented from being damaged.

Secondly, the utility model discloses on directly integrateed the pressure mouth holding strip, in the in-service use process, because the outfit of vacuum bag presses a mouthful holding strip and vacuum bag relatively independent, this kind of tradition presses a mouthful holding strip small, the condition of losing often can appear. The use is directly integrated on the shell, so that the use is convenient and the loss is avoided.

Finally, the utility model discloses inside power portion that sets up can independently be the aspiration pump power supply, just so can the handheld operation of convenient to use person, no longer receive the trip of bridle of electric wire.

Description of the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded perspective view of the present invention;

fig. 3 is an exploded perspective view from another perspective of the present invention;

FIG. 4 is an internal structural view of the present invention;

fig. 5 is a schematic view of the usage state of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

As shown in fig. 1 to 4, the utility model relates to a hand-held air extractor, which comprises: an air nozzle portion 1 and a main body portion 2. For the convenience of holding, the main body part 2 is in a column shape which is convenient for a user to hold.

The air nozzle part 1 is provided with an air suction channel 11 which penetrates through the front and the back. The front end of the air nozzle part 1 is provided with a silica gel suction nozzle 12, a cavity 13 is formed at the rear end of the air nozzle part 1, and the air suction channel 11 is composed of the suction nozzle 12 and the cavity 13 which are communicated with each other. The suction nozzle 12 may be formed by two-shot molding with the housing of the air nozzle 1, or may be fixed integrally by welding or bonding. The nozzle 12 is made of silicone material, which is flexible and has a ring-shaped or threaded flange 120 formed on the inner wall of the nozzle 12, so that the nozzle 12 and the valve of the vacuum bag can form a better seal during use, and air tightness during air suction is ensured.

To ensure

In addition, a connection space 110 is formed between the space formed by the suction nozzle 12 and the cavity 13, and the connection space 110 can be directly formed by integrally molding the air nozzle part 1. The connecting space 110 can connect the suction nozzle 12 with the cavity 13, and the connecting space 110 can form an isolation for the sucked air to prevent other impurities from further moving backwards.

The main body 2 has a housing 20, and a suction pump 21 and a power supply 22 for supplying power to the suction pump 21 are provided in the housing 20. As shown in fig. 4, the power supply unit 22 includes: circuit board 221, battery 222 connected to circuit board 221, and charging interface 223. In addition, a switch 224 for triggering whether the power supply circuit of the circuit board 221 is on or off is provided on the housing 20. When the switch 224 is activated, the battery 222 powers the entire circuit and the pump 21 begins to operate. The charging interface 223 may employ a USB interface, which is used to charge the battery 222.

A connecting portion 23 connected to the air nozzle portion 1 is provided at the front end of the housing 20, and the connecting portion 23 is inserted into the cavity 13. The threaded

portions

230 and 130 are respectively provided on the surface of the connecting portion 23 and the inner wall of the cavity 13, so that the threaded connection between the mouthpiece portion 1 and the connecting portion 23 can be achieved. In order to ensure the tightness of the connection between the two, a sealing ring 4 is provided on the connection portion 23, and the tightness after the connection between the cavity 13 and the connection portion 23 is ensured by the sealing ring 4.

In addition, a suction hole 231 communicating with the cavity 13 and an exhaust hole 232 communicating with the outside are provided on the connection portion 23. The air exhaust hole 231 is disposed on the front end surface of the connection portion 23, and the air exhaust hole 232 is disposed on the side surface of the connection portion 23. In order to ensure that the air outlet 232 can be smoothly communicated with the external space, a notch may be formed in the housing 20 or the outer shell of the air inlet portion 1. In this embodiment, a notch 10 is formed on the air nozzle portion 1, and the notch 10 is just communicated with the air vent 232.

The utility model discloses the casing 20 of main part 2 on still be provided with and press a mouthful holding strip 3. A gap 30 is formed between the pressing opening clamping strip 3 and the shell 20. The crimp band 3 is used to seal against a sealing strip of the vacuum bag. The opening pressing holding strip 3 can be integrally formed with the shell 20.

Fig. 5 is a schematic view showing the usage status of the present invention. The utility model is used for packaging and exhausting the vacuum bag 5. A zipper-type sealing strip 51 is arranged at the opening of the vacuum bag 5, and an air-extracting valve 52 is arranged on the bag body. During the use, place the object at the internal back of bag, utilize and press a mouthful holding strip 3 and casing 20 between clearance 30 with the sealing strip 51 centre gripping in the vacuum bag 5, then to pressing mouthful holding strip 3 to apply an A to pressure to along the fore-and-aft direction removal the utility model discloses, make sealing strip 51 realize sealedly under pressing mouthful holding strip 3 clamping action. After sealing, will the utility model discloses an air cock portion 1 docks with valve 52 again, starts the utility model discloses, aspiration pump 21 begins work, takes the air in the vacuum bag 5 out. The gas in the vacuum bag 5 passes through the suction nozzle 12, the connection space 110 and the cavity 13 along the suction passage 11 in sequence, is then pumped out by the suction pump 21 through the suction holes 231, and is finally exhausted through the exhaust holes 232. During the evacuation process, there may be a liquid in the vacuum bag 5, and after the liquid enters the suction channel 11 through the suction nozzle 12, the liquid will be collected due to the connection space 110 and the cavity 13 and will not be sucked into the evacuation hole 231.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. A hand-held suction device, comprising: air nozzle portion (1) and main part (2), air nozzle portion (1) sealing connection at the front end of main part (2), its characterized in that:

the air nozzle part (1) is provided with a penetrating air suction channel (11);

the main body part (2) is provided with a shell (20), an air suction pump (21) and a power supply part (22) for supplying power to the air suction pump (21) are arranged in the shell (20), wherein the front end of the shell (20) is provided with a connecting part (23) connected with the air nozzle part (1), and the connecting part (23) is provided with an air suction hole (231) communicated with the air suction channel (11) and an exhaust hole (232) communicated with the outside;

the shell (20) of the main body part (2) is also provided with a pressure opening clamping strip (3).

2. A hand-held suction device according to claim 1, characterised in that: the front end of trachea portion (1) be provided with silica gel suction nozzle (12), be formed with a cavity (13) in the rear end of trachea portion (1), suction channel (11) constitute by suction nozzle (12) and cavity (13) that communicate each other.

3. A hand-held suction device according to claim 2, wherein: the air nozzle part (1) is connected with the connecting part (23) through the cavity (13), and a sealing ring (4) is arranged between the air nozzle part and the connecting part.

4. A hand-held suction device according to claim 1, characterised in that: the air nozzle part (1) is in threaded connection with the connecting part (23).

5. A hand-held suction device according to claim 1, characterised in that: the air suction hole (231) is formed in the front end face of the connecting portion (23), and the air exhaust hole (232) is formed in the side face of the connecting portion (23).

6. A hand-held suction device according to any one of claims 1 to 5, wherein: the power supply unit (22) includes: the charging device comprises a circuit board (221), a battery (222) connected with the circuit board (221) and a charging interface (223).

7. A hand-held suction device according to claim 6, characterised in that: the shell (20) is provided with a switch (224) for triggering whether the power supply circuit of the circuit board (221) is conducted or not.

8. A hand-held suction device according to claim 1, characterised in that: a gap (30) is formed between the opening pressing clamping strip (3) and the shell (20).

9. A hand-held suction device according to claim 8, wherein: the opening pressing clamping strip (3) and the shell (20) are integrally formed.

10. A hand-held suction device according to claim 1, characterised in that: the main body part (2) is columnar.