CN217300973U - Automatic external pump of control - Google Patents

Abstract

The utility model discloses an automatic control external inflator pump, which comprises a shell, and a blower impeller and a motor which are arranged inside the shell, wherein the blower impeller is arranged on an output shaft of the motor, an air inlet and an air outlet are arranged on the shell, and a cavity is arranged in the shell; the sensor is arranged in the cavity and used for detecting the pressure difference between the inside and the outside of the cavity, the pressure sensor is communicated with the outside through a hose, and the pressure sensor is electrically connected with the motor and controls the starting and stopping of the motor. The pressure sensor can detect the pressure in the cavity of the air pump and sense the air pressure value of the external environment through the silica gel hose. When the pressure difference between the inside and the outside reaches a set value, the motor stops working, and the inflation is automatically finished. The device has simple integral structure and convenient use, and effectively solves the problem that the existing inflator pump can not intelligently stop inflating.

Description

Automatic external pump of control

Technical Field

The utility model belongs to the technical field of air pump equipment and specifically relates to an automatic control's external pump.

Background

The air pump generally includes a motor, a housing, and an impeller, and the impeller is driven by the motor to directly charge or discharge air into or out of the product. When the existing air pump is used, the start and stop of the air pump are generally controlled manually. However, the real-time air pressure inside the product is judged manually, and accurate control cannot be achieved. Therefore, it is necessary to provide an intelligent air pump capable of automatically stopping air inflation according to the internal air pressure.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an automatic control external inflator pump to solve the problems mentioned in the background technology.

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

an automatically controlled external inflator pump comprises a shell, and a blower impeller and a motor which are arranged in the shell, wherein the blower impeller is arranged on an output shaft of the motor, an air inlet and an air outlet are formed in the shell, and a cavity is formed in the shell; still include pressure sensor, pressure sensor locates in the cavity for the pressure sensor who detects the internal and external pressure difference of cavity passes through hose and external intercommunication, pressure sensor and motor electric connection and control opening of motor stop.

Furthermore, the air inlet and the air outlet are located at two ends of the shell, the shell is further provided with a communicating port, the communicating port and the air outlet are arranged on the same side, one end of the hose is arranged on the pressure sensor, and the other end of the hose is fixed to the communicating port.

Further, still include the circuit board, pressure sensor and motor pass through circuit board electric connection.

Furthermore, a gear shifting key for adjusting the set pressure difference is further arranged on the shell, and the gear shifting key is electrically connected with the circuit board.

Furthermore, a holding part is formed on the shell, and a cavity for placing a storage battery is formed in the holding part.

Still further, the battery is a rechargeable battery.

Furthermore, a charging port is arranged on the holding part and is exposed.

Furthermore, the motor is arranged in the shell along the vertical direction, the blower impeller is close to the air inlet and located above the motor, and the motor is fixed inside the shell through the motor support.

Further, an impeller cover is arranged on the air blowing impeller.

Furthermore, the hose is made of silica gel.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model provides an external pump that stops aerifing according to the internal and external pressure differential automatic control of cavity. The blower impeller is controlled by a motor, and the start and stop of the motor are controlled by pressure signals transmitted by a sensor. The pressure sensor is arranged inside the shell and is connected with the communication port at the air outlet through a silica gel hose. The pressure sensor can detect the pressure in the cavity (namely the pressure in the inflated product when the air outlet is connected with the inflated product), and the pressure sensor can detect the air pressure of the external environment through the silica gel hose. When the pressure difference between the inside and the outside reaches a set value, the motor stops working, and the inflation is automatically finished. The device has simple integral structure and convenient use, and effectively solves the problem that the existing inflator pump can not intelligently stop inflating.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an overall schematic view of the present invention.

Fig. 2 is an internal cross-sectional view of the present invention.

In the figures, the various reference numbers are:

1-a shell; 101-an air inlet; 102-an air outlet; 103-a communication port; 2-a blower impeller; 3, a motor; 4-a pressure sensor; 5-a hose; 6-a circuit board; 7-a motor bracket; 8-impeller housing; 9-a holding portion; 10-shift key.

Detailed Description

In order to more clearly illustrate the present invention, the present invention will be further described in detail with reference to the following embodiments and drawings. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, and integral connections; can be mechanically or electrically connected; they may be directly connected to each other, indirectly connected to each other through an intermediate member, or connected to each other through the inside of two members. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example (b):

as shown in fig. 1-2, the automatically controlled external inflator pump includes a housing 1, and a blower impeller 2 and a motor 3 which are arranged inside the housing 1, wherein the blower impeller 2 is arranged on an output shaft of the motor 3, the housing 1 is provided with an air inlet 101 and an air outlet 102, and a cavity is arranged inside the housing 1; still include pressure sensor 4, in pressure sensor 4 located the cavity for detect the internal and external pressure difference of cavity pressure sensor 4 through hose 5 and external intercommunication, hose 5 can adopt the silica gel material, pressure sensor 4 and 3 electric connection of motor and control opening of motor 3 stop.

The air inlet 101 and the air outlet 102 are located at two ends of the housing 1, and the housing 1 is further provided with a communication port 103, and the communication port 103 is disposed at the same side as the air outlet 102. One end of the hose 5 is provided to the pressure sensor 4, and the other end is fixed to the communication port 103. The pressure sensor 4 is electrically connected with the motor 3 through the circuit board 6. When the air pump is inflated, the air outlet 102 is communicated with the air bag of the inflated product, and the pressure sensor 4 can sense the pressure in the cavity of the air pump (namely the air pressure of the inflated product). Meanwhile, the pressure sensor 4 can detect the external environment pressure through the communication port 103, and when the difference between the internal pressure and the external pressure reaches a set value, the motor 3 automatically stops working. In order to improve the application range of the air pump, a gear shifting key 10 for adjusting the set pressure difference is further arranged on the shell 1, and the pressure difference when the motor 3 stops working can be changed through pressing the key. The gear shifting key 10 is located at one end of the air inlet 101, and the gear shifting key 10 is electrically connected with the circuit board 6.

The motor 3 is arranged in the housing 1 in the vertical direction, and the blower wheel 2 is provided with a wheel housing 8. The blower impeller 2 is close to the air inlet 101 and located above the motor 3, and the motor 3 is fixed inside the housing 1 through the motor bracket 7.

Furthermore, a holding portion 9 is formed on the housing 1, and a cavity for placing a battery is provided inside the holding portion 9. The storage battery can be a rechargeable battery, and the holding part 9 is provided with a charging port which is exposed. Of course, dry batteries may be used as the power source, and it is also an option to provide a battery compartment cover on the holding portion 9 for replacing the batteries.

In this embodiment, the shift key has 3 shift positions. When a user selects 1 gear during inflation, and the sensor detects that the pressure difference value between the inside and the outside of the cavity reaches 2.5kPa, the air pump automatically stops working; when the user selects 2 gears during inflation, and the sensor detects that the pressure difference value between the inside and the outside of the cavity reaches 3kPa, the air pump automatically stops working; when the user selects 3 grades when inflating, the sensor detects that the pressure difference value between the inside and the outside of the cavity reaches 3.5kPa, and the air pump automatically stops working.

It is obvious that the above embodiments of the present invention are only examples for illustrating the present invention more clearly, and are not limiting to the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above description, and all the embodiments cannot be exhaustive, and all the obvious variations or changes are still within the scope of the present invention.

Claims (10)

1. The utility model provides an automatic external pump of control, includes the casing and locates inside air-blast impeller and the motor of casing, the output shaft of motor is located to the air-blast impeller, is equipped with air intake and air outlet on the casing, a cavity has in the casing, its characterized in that still includes pressure sensor, pressure sensor locates in the cavity for the pressure sensor who detects the internal and external pressure difference in cavity passes through hose and external intercommunication, pressure sensor and motor electric connection and control opening of motor stop.

2. The automatically controlled external inflator pump according to claim 1, wherein the air inlet and the air outlet are located at two ends of the housing, the housing is further provided with a communication port, the communication port and the air outlet are arranged on the same side, one end of the hose is arranged on the pressure sensor, and the other end of the hose is fixed to the communication port.

3. The automatically controlled external inflator pump according to claim 1, further comprising a circuit board, wherein the pressure sensor is electrically connected to the motor through the circuit board.

4. The automatically controlled external inflator pump according to claim 3, wherein a shift key for adjusting the set pressure difference is further disposed on the housing, and the shift key is electrically connected to the circuit board.

5. The automatically controlled external inflator according to claim 1, wherein a holding portion is formed on the housing, and a cavity for placing a battery is formed inside the holding portion.

6. The automatically controlled external inflator of claim 5, wherein the battery is a rechargeable battery.

7. The automatically controlled external inflator according to claim 6, wherein a charging port is disposed on the holding portion, and the charging port is exposed.

8. The automatically controlled external inflator pump according to claim 1, wherein the motor is vertically disposed within the housing, the blower wheel is located adjacent to the air inlet and above the motor, and the motor is fixed within the housing by a motor bracket.

9. The automatically controlled external inflator pump according to claim 1, wherein the blower impeller is provided with an impeller cover.

10. The automatically controlled external inflator pump according to any one of claims 1 to 9, wherein the hose is made of a silicone material.

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