CN211777881U

CN211777881U - Portable vacuum machine

Info

Publication number: CN211777881U
Application number: CN202020251035.3U
Authority: CN
Inventors: 熊颖申; 黄志勇
Original assignee: Shenzhen Cnht Pump & Valve Ltd
Current assignee: Shenzhen Cnht Pump & Valve Ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-10-27
Anticipated expiration: 2030-03-03

Abstract

The utility model discloses a portable vacuum machine, including shell and mount, the shell is the hollow cylinder shell, the one end installation of shell is provided with the mount, the main part setting of mount is in the hollow cylinder cavity of shell, be provided with the on & off switch on the other end terminal surface of shell, the other end installation of mount is provided with the suction nozzle head, be provided with vacuum air pump and PCB board in the hollow cylinder cavity of shell, the one end of vacuum air pump is connected to the suction nozzle head, PCB board and on & off switch electric connection control automatic stop through the operating current of control vacuum air pump. The utility model provides a portable vacuum machine, this kind of portable vacuum machine can automatic shutdown need not manual control to this kind of portable vacuum machine realizes the automatic shutdown function through the mode that does not set up negative pressure sensors, has saved the manufacturing cost of product, alleviates product weight, conveniently carries.

Description

Portable vacuum machine

Technical Field

The utility model relates to a vacuum machine, especially a portable vacuum machine.

Background

The existing vacuum machine has two products: firstly, the operation needs to be manually controlled to stop when vacuumizing is performed; and the vacuum machine has the function of automatically stopping working when meeting the requirement by adding a negative pressure sensing device. The first method is that the manual control of starting and stopping is not accurate and intelligent enough, which may cause that air is not completely pumped and has residue or that the negative pressure is too large to damage articles due to excessive vacuum pumping; the vacuum machine with the second automatic control function needs a negative pressure sensing device, so that the cost and the product weight are increased, and the vacuum machine is inconvenient to carry.

Therefore, the utility model provides a new technical scheme in order to solve existing technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at disclosing a portable vacuum machine.

The technical scheme of the utility model is that: the utility model provides a portable vacuum machine, includes shell and mount, the shell is the hollow cylinder shell, the one end installation of shell is provided with the mount, the main part of mount sets up in the hollow cylinder cavity of shell, be provided with the on & off switch on the other end terminal surface of shell, the other end installation of mount is provided with the suction nozzle head, be provided with vacuum air pump and PCB board in the hollow cylinder cavity of shell, the one end of vacuum air pump is connected to the suction nozzle head, PCB board and on & off switch electric connection come control automatic stop through the operating current of control vacuum air pump.

As a further technical optimization of this technical scheme, the utility model discloses portable vacuum machine the on & off switch is circular stealthy button, the outer terminal surface parallel and level of on & off switch and shell.

As the further technical optimization of this technical scheme, the utility model discloses portable vacuum machine still includes O type outer lane, O type outer lane sets up the outer terminal surface of suction nozzle head, O type outer lane makes suction nozzle head and object sealing contact.

As the further technical optimization of this technical scheme, the utility model discloses portable vacuum machine still includes O type inner circle, O type inner circle sets up between mount and the suction nozzle and make mount and suction nozzle sealing connection.

As the further technical optimization of this technical scheme, the utility model discloses portable vacuum machine still includes the battery, battery fixed mounting is in on the mount in the hollow cylinder cavity of shell.

As the further technical optimization of this technical scheme, the utility model discloses portable vacuum machine still includes the USB interface, the USB interface sets up on the shell, the USB interface with the PCB board matches.

The utility model has the advantages that: the utility model provides a portable vacuum machine, this kind of portable vacuum machine can automatic shutdown need not manual control to this kind of portable vacuum machine realizes the automatic shutdown function through the mode that does not set up negative pressure sensors, has saved the manufacturing cost of product, alleviates product weight, conveniently carries.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural diagram of a portable vacuum machine according to an embodiment of the present invention;

FIG. 2 is another schematic diagram of a portable vacuum machine according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is an exploded view of a portable vacuum machine according to an embodiment of the present invention.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a portable vacuum machine, includes shell 1 and mount 2, shell 1 is the hollow cylinder shell, the one end installation of shell 1 is provided with mount 2, the main part setting of mount 2 is in the hollow cylinder cavity of shell 1, be provided with on & off switch 3 on the other end terminal surface of shell 1, the other end installation of mount 2 is provided with suction nozzle head 5, be provided with vacuum air pump 7 and PCB board 9 in the hollow cylinder cavity of shell 1, the one end of vacuum air pump 7 is connected to suction nozzle head 5, PCB board 9 controls the automatic shutdown with the working current of on & off switch 3 electric connection and through control vacuum air pump 7.

The switch key 3 is a round invisible key, and the switch key 3 is flush with the outer end face of the shell 1, so that the portable switch key is convenient to carry and attractive in style.

The suction nozzle further comprises an O-shaped outer ring 4, the O-shaped outer ring 4 is arranged on the outer end face of the suction nozzle head 5, and the suction nozzle head 5 is in sealing contact with an object through the O-shaped outer ring 4. By adopting the technical scheme, the portable vacuum machine is more tightly attached to an object, air leakage is avoided during vacuum pumping, and the vacuum pumping efficiency is higher.

The suction nozzle is characterized by further comprising an O-shaped inner ring 6, wherein the O-shaped inner ring 6 is arranged between the fixed frame 2 and the suction nozzle head 5 and enables the fixed frame 2 to be connected with the suction nozzle head 5 in a sealing mode. By adopting the technical scheme, the O-shaped inner ring 6 enables the fixed frame 2 and the suction nozzle head 5 to be connected more tightly and can play a role in buffering.

The battery 8 is fixedly arranged on the fixing frame 2 in the hollow cylindrical cavity of the shell 1. By adopting the technical proposal, the utility model discloses the product portable can go out to use.

The USB interface device further comprises a USB interface 10, wherein the USB interface 10 is arranged on the shell 1, and the USB interface 10 is matched with the PCB 9. Adopt this kind of technical scheme, the utility model discloses the product can connect external equipment.

The utility model discloses portable vacuum machine has evacuation and automatic control function, and the pipeline of mount 2, O type outer lane 4, suction nozzle head 5, O type inner circle 6 and vacuum air pump 7 form the evacuation system. When the portable vacuum machine is vacuumized, the switch key 3 is pressed, the PCB 9 supplies voltage through the battery 8 and controls to start the vacuum air pump 7, the vacuum air pump 7 starts to work, the PCB 9 monitors the working current of the vacuum air pump 7, and when the negative pressure reaches a peak value, the current basically tends to be stable, so that the portable vacuum machine is controlled to automatically stop by the characteristic.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. A portable vacuum machine characterized in that: including shell (1) and mount (2), shell (1) is the hollow cylinder shell, the one end installation of shell (1) is provided with mount (2), the main part of mount (2) sets up in the hollow cylinder cavity of shell (1), be provided with on & off switch (3) on the other end terminal surface of shell (1), the other end installation of mount (2) is provided with suction nozzle head (5), be provided with vacuum air pump (7) and PCB board (9) in the hollow cylinder cavity of shell (1), the one end of vacuum air pump (7) is connected to suction nozzle head (5), PCB board (9) and on & off switch (3) electric connection and control automatic shutdown through the operating current of control vacuum air pump (7).

2. The portable vacuum machine of claim 1, wherein: the switch key (3) is a circular invisible key, and the switch key (3) is flush with the outer end face of the shell (1).

3. The portable vacuum machine of claim 1, wherein: the suction nozzle is characterized by further comprising an O-shaped outer ring (4), wherein the O-shaped outer ring (4) is arranged on the outer end face of the suction nozzle head (5), and the suction nozzle head (5) is in sealing contact with an object through the O-shaped outer ring (4).

4. The portable vacuum machine of claim 1, wherein: the novel vacuum cleaner is characterized by further comprising an O-shaped inner ring (6), wherein the O-shaped inner ring (6) is arranged between the fixed frame (2) and the suction nozzle head (5) and enables the fixed frame (2) and the suction nozzle head (5) to be connected in a sealing mode.

5. The portable vacuum machine of claim 1, wherein: the battery pack is characterized by further comprising a battery (8), wherein the battery (8) is fixedly arranged on the fixing frame (2) in the hollow cylindrical cavity of the shell (1).

6. The portable vacuum machine of claim 1, wherein: still include USB interface (10), USB interface (10) set up on shell (1), USB interface (10) with PCB board (9) phase-match.