CN219317217U

CN219317217U - Adjustable air pump

Info

Publication number: CN219317217U
Application number: CN202320354507.1U
Authority: CN
Inventors: 石正兵
Original assignee: Guangdong Taili Technology Group Co Ltd
Current assignee: Guangdong Taili Technology Group Co Ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-07-07
Anticipated expiration: 2033-02-28

Abstract

The application discloses adjustable aspiration pump, including shell, PCB board, button subassembly, motor, pressure sensor and wind wheel, be equipped with installation cavity and the exhaust chamber and the vacuum chamber of mutual intercommunication on the shell, be equipped with on the inner wall of shell with the gas outlet of exhaust chamber intercommunication and with the extraction opening of vacuum chamber intercommunication, button subassembly is installed on the shell, PCB board, motor and pressure sensor all install in the installation cavity, pressure sensor is used for detecting the atmospheric pressure in the storage bag, and the drive end of motor stretches into in the exhaust chamber, the wind wheel setting is in the exhaust chamber and install on the driving end of motor. The user passes through the button subassembly is selected target atmospheric pressure in the storage bag, the PCB board is according to the information that the button subassembly sent to it and corresponding the control of predetermineeing the operation duration the motor operation to make adjustable aspiration pump can be to the accurate control of atmospheric pressure in the storage bag, be applicable to the storage of different materials and kind object, reduce the damage to the object.

Description

Adjustable air pump

Technical Field

The application relates to the technical field of pumps, in particular to an adjustable air pump.

Background

The using method of the vacuum storage bag comprises the following steps: after the neatly stacked clothes are put into the vacuum storage bag, air in the vacuum storage bag is pumped out by the air pump to compress and place the clothes, so that the space required by storage is reduced.

Because the clothes are folded and placed in the vacuum storage bag, the clothes can be wrinkled after being stored in the vacuum storage bag for a period of time, and for the clothes such as silk fabrics and leather, if the clothes are stored in the storage bag with high vacuum degree, unrecoverable indentation can be caused to the clothes, and the flatness of the clothes is damaged; and once the vacuum compression of the quilts such as wool, cotton and down is too large, the air in the quilts is pumped out to damage the warmth retention degree of the quilts, so that different materials and different kinds of objects are suitable for storage under different vacuum degrees.

Currently, when the vacuum storage bag is pumped by the air pump, a person controls the start and stop of the air pump by observing the vacuum bag with naked eyes, the air pressure in the vacuum storage bag cannot be accurately controlled.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides an adjustable air pump capable of adjusting the vacuum pumping degree in a storage bag, which adopts the technical scheme that:

an adjustable air pump comprises a shell, wherein the shell is provided with an installation cavity, an exhaust cavity and a vacuum cavity which are mutually communicated, and an air outlet communicated with the exhaust cavity and an air extraction opening communicated with the vacuum cavity are arranged on the inner wall of the shell;

the PCB, the motor and the pressure sensor are all arranged in the mounting cavity, the motor and the pressure sensor are electrically connected with the PCB, an interface of the pressure sensor is communicated with the vacuum cavity through a pipeline, and a driving end of the motor extends into the exhaust cavity;

a key assembly disposed on the housing for a user to select a target air pressure;

the wind wheel is arranged in the exhaust cavity and is arranged on the driving end of the motor.

The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the shell comprises a bottom shell, an upper cover, a mounting piece and an air guide piece, wherein the bottom shell and the upper cover are sequentially arranged, the mounting piece is arranged between the upper cover and the bottom shell and forms a mounting cavity together with the upper cover, the air guide piece is arranged between the mounting piece and the bottom shell, the air guide piece and the bottom shell form a vacuum cavity together, and the air guide piece and the mounting piece form an exhaust cavity together.

The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the mounting piece is the cell body shape, the outer wall of mounting piece notch department is equipped with the flanging, the mounting piece passes through the flanging to be installed on the drain pan and its notch orientation the drain pan, the upper cover is installed on the cell diapire of upper cover, the cell lateral wall of mounting piece and upper cover are equipped with the aperture that link up each other and form the gas outlet.

The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the air guide piece is in a cylindrical shape, a bent edge is arranged at one end of the air guide piece, steps matched with the bent edge are arranged on the inner wall of the groove of the mounting piece, one end of the air guide piece, provided with the bent edge, is placed at the step, the other end of the air guide piece abuts against the bottom shell, and the inner barrel of the air guide piece forms the vacuum cavity.

The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the air guide device further comprises a sealing ring, wherein the sealing ring is arranged between the bottom shell and the other end of the air guide piece.

The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the groove bottom wall of the mounting piece is provided with a baffle, the baffle abuts against the bending edge and surrounds the bending edge to form a containing cavity and the exhaust cavity, the bending edge is provided with a first through hole matched with the pipeline, the mounting piece is provided with a second through hole communicated with the containing cavity and matched with the pipeline, and the pipeline penetrates through the first through hole and the second through hole and is communicated with the pressure sensor and the vacuum cavity.

The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the mounting piece is provided with an air pipe communicated with the second through hole in the accommodating cavity, and the other end of the air pipe stretches into the first through hole.

The utility model has the beneficial effects that:

the user passes through the button subassembly is selected target atmospheric pressure in the storage bag, and the button subassembly is given the target atmospheric pressure that the user selected is given the PCB board, PCB board is according to the information that the button subassembly sent to it and corresponding default operation time length control the operation of motor to make adjustable aspiration pump can be to the accurate control of atmospheric pressure in the storage bag, be applicable to the storage of different materials and kind object, reduce the damage to the object.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of an embodiment of an adjustable pump;

FIG. 2 is a second schematic diagram of an embodiment of an adjustable pump;

FIG. 3 is an exploded view of an embodiment of an adjustable pump;

FIG. 4 is a second exploded view of the structure of the adjustable suction pump according to the embodiment of the present application;

FIG. 5 is a cross-sectional view of an adjustable suction pump according to an embodiment of the present application;

fig. 6 is a second cross-sectional view of an adjustable suction pump according to an embodiment of the present application.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, plural means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1-6, an embodiment of the present application is presented, where the adjustable suction pump includes:

the shell 1 is provided with a mounting cavity 11, an exhaust cavity 12 and a vacuum cavity 13 which are mutually communicated, and the inner wall of the shell 1 is provided with an air outlet 14 which is communicated with the exhaust cavity 12 and an air extraction opening 15 which is communicated with the vacuum cavity 13;

the PCB 2, the motor 4 and the pressure sensor 6 are all arranged in the installation cavity 11, the motor 4 and the pressure sensor 6 are electrically connected with the PCB 2, an interface of the pressure sensor 6 is communicated with the vacuum cavity 13 through a pipeline 7, and a driving end of the motor 4 extends into the exhaust cavity 12;

a key assembly 3 provided on the housing 1 and used for a user to select a target air pressure;

a wind wheel 5 is arranged in the exhaust cavity 12 and is arranged on the driving end of the motor 4.

The shell 1 is communicated with an air tap of the storage bag through the air extracting opening 15 so as to enable the vacuum cavity 13 to be communicated with the inside of the storage bag, the motor 4 drives the wind wheel 5 to rotate and generate negative pressure in the air exhausting cavity 12, and air in the storage bag is sequentially discharged from the air outlet 14 through the vacuum cavity 13 and the air exhausting cavity 12;

the key assembly 3 comprises a plurality of pressing glue pieces arranged on the shell 1, a plurality of tact switches matched with the pressing glue pieces are arranged on the PCB, and a user triggers the tact switches to realize the selection of target air pressure when pressing the pressing glue pieces. The PCB 2 is provided with a timing module and a plurality of operation time periods in advance, a user can select corresponding target air pressure according to different keys, and the keys respectively correspond to the plurality of operation time periods in advance.

The user selects the target air pressure in the storage bag through the key assembly 3, and the key assembly 3 sends the target air pressure selected by the user to the PCB 2.

Because the vacuum cavity 13 is communicated with the interface of the pressure sensor 6 through the pipeline 7, the pressure sensor 6 detects the air pressure in the vacuum cavity 13, namely detects the air pressure in the storage bag, when a user selects the target air pressure in the storage bag through the key assembly 3, the motor 4 starts to operate and vacuumizes the storage bag, when the pressure sensor 6 detects that the pressure in the vacuum cavity 13 reaches a preset value, the PCB 2 controls the motor 4 to operate according to the information sent to the key assembly 3 and starts to time until reaching the corresponding preset operation time, and the PCB 2 controls the motor 4 to stop operating, so that the adjustable air pump can accurately control the air pressure in the storage bag, is suitable for storing objects of different materials and types, and reduces damage to the objects; after the pressure sensor 6 detects that the pressure in the vacuum cavity 13 reaches the preset value, the motor 4 is stopped after the preset operation time is continued, so that the accuracy of the air pressure in the storage bag is improved.

Referring to the drawings, the housing 1 includes a bottom shell 16, an upper cover 17, a mounting member 18, and an air guiding member 19, wherein the bottom shell 16 and the upper cover 17 are sequentially disposed, the mounting member 18 is disposed between the upper cover 17 and the bottom shell 16 and encloses with the upper cover 17 to form a mounting cavity 11, the air guiding member 19 is disposed between the mounting member 18 and the bottom shell 16, the air guiding member 19 encloses with the bottom shell 16 to form a vacuum cavity 13, and encloses with the mounting member 18 to form an air exhaust cavity 12.

Referring to the drawings, the mounting member 18 is in a groove shape, the outer wall of the notch of the mounting member 18 is provided with a flanging 181, the mounting member 18 is mounted on the bottom shell 16 through the flanging 181, the notch of the mounting member faces the bottom shell 16, the upper cover 17 is mounted on the bottom wall of the upper cover 17, and the groove side wall of the mounting member 18 and the upper cover 17 are provided with small holes which are mutually communicated and form the air outlet 14.

The air guide piece 19 is cylindrical and two ends of the air guide piece 19 are open, a bent edge 191 is arranged at one end of the air guide piece 19, a step 182 matched with the bent edge 191 is arranged on the inner wall of a groove of the mounting piece 18, one end of the air guide piece 19, which is provided with the bent edge 191, is placed at the step 182, the other end of the air guide piece is propped against the bottom shell 16, the inner cylinder of the air guide piece 19 forms the vacuum cavity 13, one open end of the air guide piece 19 is communicated with the exhaust cavity, and the exhaust opening 15 is arranged at the other open end of the air guide piece 19.

Preferably, the vacuum chamber 13 further comprises a sealing ring 8, wherein the sealing ring 8 is arranged between the bottom shell 16 and the other end of the air guide piece 19, so that the sealing performance of the vacuum chamber 13 is improved.

Further, a baffle 183 is disposed on the bottom wall of the groove of the mounting member 18, the baffle 183 abuts against the bending edge 191 and forms a containing cavity and the exhaust cavity 12 together with the bending edge, a first through hole 192 matched with the pipeline 7 is disposed on the bending edge 191, a second through hole 184 communicated with the containing cavity and matched with the pipeline 7 is disposed on the mounting member 18, and the pipeline 7 passes through the first through hole 192 and the second through hole 184 and is communicated with the pressure sensor 6 and the vacuum cavity 13.

The pipe 7 passes through the bending edge 191 and the accommodating cavity to be communicated with the pressure sensor 6 and the vacuum cavity 13, and the accommodating cavity and the exhaust cavity 12 are mutually independent, so that the air tightness in the exhaust cavity 12 is prevented from being influenced by the existence of the second through hole 184.

The mounting member 18 is provided with an air duct 185 in the accommodating cavity and communicated with the second through hole 184, and the other end of the air duct 185 extends into the first through hole 192.

The battery is arranged in the mounting cavity to supply power for the pcb 2, the motor 4 and the pressure sensor 6, and the shell 1 is also provided with a charging interface which can charge the battery.

Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims

1. An adjustable suction pump, comprising:

the shell (1) is provided with a mounting cavity (11), an exhaust cavity (12) and a vacuum cavity (13) which are mutually communicated, and an air outlet (14) which is communicated with the exhaust cavity (12) and an extraction opening (15) which is communicated with the vacuum cavity (13) are arranged on the inner wall of the shell (1);

the PCB (2), the motor (4) and the pressure sensor (6) are all arranged in the mounting cavity (11), the motor (4) and the pressure sensor (6) are electrically connected with the PCB (2), an interface of the pressure sensor (6) is communicated with the vacuum cavity (13) through a pipeline (7), and a driving end of the motor (4) extends into the exhaust cavity (12);

a key assembly (3) provided on the housing (1) and used for a user to select a target air pressure;

a wind wheel (5) is arranged in the exhaust cavity (12) and is arranged on the driving end of the motor (4).

2. The adjustable suction pump according to claim 1, wherein the housing (1) comprises a bottom shell (16), an upper cover (17), a mounting member (18) and an air guide member (19), the bottom shell (16) and the upper cover (17) are sequentially arranged, the mounting member (18) is arranged between the upper cover (17) and the bottom shell (16) and encloses with the upper cover (17) to form a mounting cavity (11), the air guide member (19) is arranged between the mounting member (18) and the bottom shell (16), and the air guide member (19) encloses with the bottom shell (16) to form a vacuum cavity (13) and encloses with the mounting member (18) to form an air exhaust cavity (12).

3. Adjustable suction pump according to claim 2, characterized in that the mounting member (18) is in the form of a trough, the outer wall of the notch of the mounting member (18) is provided with a turned-out edge (181), the mounting member (18) is mounted on the bottom shell (16) through the turned-out edge (181) and the notch of the mounting member faces the bottom shell (16), the upper cover (17) is mounted on the bottom wall of the trough of the upper cover (17), and the trough side wall of the mounting member (18) and the upper cover (17) are provided with mutually penetrating small holes and form the air outlet (14).

4. An adjustable suction pump according to claim 3, characterized in that the air guide member (19) is cylindrical, a bent edge (191) is arranged at one end of the air guide member (19), a step (182) matched with the bent edge (191) is arranged on the inner wall of the groove of the mounting member (18), one end of the air guide member (19) provided with the bent edge (191) is placed at the step (182), the other end of the air guide member abuts against the bottom shell (16), and the inner cylinder of the air guide member (19) forms the vacuum cavity (13).

5. The adjustable suction pump according to claim 4, further comprising a sealing ring (8), the sealing ring (8) being arranged between the bottom shell (16) and the other end of the air guide (19).

6. The adjustable suction pump according to claim 4, characterized in that a baffle (183) is arranged on the bottom wall of the mounting piece (18), the baffle (183) is propped against the bending edge (191) and surrounds the bending edge to form a containing cavity and the exhaust cavity (12), a first through hole (192) matched with the pipeline (7) is arranged on the bending edge (191), a second through hole (184) communicated with the containing cavity and matched with the pipeline (7) is arranged on the mounting piece (18), and the pipeline (7) passes through the first through hole (192) and the second through hole (184) and is communicated with the pressure sensor (6) and the vacuum cavity (13).

7. The adjustable suction pump according to claim 6, wherein the mounting member (18) is provided with an air duct (185) communicating with the second through hole (184) in the accommodation chamber, and the other end of the air duct (185) extends into the first through hole (192).