CN103775362B - External automatic control intelligent air pump - Google Patents

Abstract

The invention discloses an external automatic control intelligent air pump, which comprises a shell, a blower device and an automatic stop control mechanism, wherein the blower device and the automatic stop control mechanism are arranged in the shell; the shell is internally provided with an air chamber, and the shell is provided with an air inlet, an air outlet and an air inlet nozzle; the automatic stop control mechanism comprises a shell, a microswitch, a push button, a rotation limiting part, a movable pressing part and a deformable air pressure induction film, wherein the deformable air pressure induction film is used for promoting the movable pressing part to move so as to act on the rotation limiting part. Therefore, the automatic stop control device is simple in structure and convenient to assemble, can accurately control according to the actual air pressure of the inflatable object, and brings convenience to a user.

Description

External automatic control intelligent air pump

technical field

The invention relates to the technology in the field of air pumps, in particular to an external automatic control intelligent air pump.

Background technique

The air pump is a key component of various inflatables (such as inflatable mattresses, inflatable jumping beds, inflatable sofas, inflatable toys, etc.), which are installed on the inner side of the soft capsule of the inflatables, and the inflatables can be adjusted by using the air pump. Operations such as quick inflation, pressure keeping and quick deflation are used to realize the functions of inflating and expanding the inflatable for normal use, and deflated to reduce the volume of the space for storage and other functions.

Some of the current small air pumps, such as hand-held air pumps, generally do not have the function of automatic shutdown, and need to be turned on and off manually during use. , the automatic stop control mechanism of this kind of air pump has a complex structure and is inconvenient to assemble, and it cannot be accurately controlled according to the actual air pressure of the inflatable, thereby causing inconvenience to the user.

Contents of the invention

In view of this, the present invention aims at the deficiencies in the prior art, and its main purpose is to provide an external automatic control intelligent air pump, which can effectively solve the problem of inconvenient use of the existing small air pumps.

To achieve the above object, the present invention adopts the following technical solutions:

An external automatic control intelligent air pump, including an organic casing, a blower device and an automatic stop control mechanism arranged in the casing;

There is an air chamber inside the casing, and the casing is provided with an air inlet, an air outlet, and an air inlet nozzle for sensing the air pressure inside the inflatable, and both the air inlet and the air outlet are connected to the aforementioned air chamber;

The blowing device includes a blowing impeller and a motor that drives the blowing impeller to rotate. The blowing impeller is located in the air chamber, the air inlet side of the blowing impeller faces the air inlet, and the air outlet side of the blowing impeller faces the air outlet;

The automatic stop control mechanism includes a shell, a micro switch for controlling the blower device to turn on or off the power supply, a push button for triggering the micro switch, and a limit for the push button so that the push button remains pressed. The rotation limiting part of the micro switch, the movable pressing part used to promote the rotation of the rotating limiting part to release the limit to the push button, and the movable pressing part to act on the rotating limiting part Deformable air pressure sensing film; the air pressure sensing film is arranged in the shell and separates the inside of the shell to form a first cavity and a second cavity that are closed to each other, the first cavity communicates with the outside world, and the second cavity communicates with the aforementioned Intake nozzle, the first end of the rotation limiter is facing the movable pressure member, the second end of the rotation limiter is provided with a first return spring, the push button is exposed to the casing, and a second reset is provided for the push button spring.

As a preferred solution, the push button includes a base, a manipulation portion formed on the base, a pressing portion and a convex portion, the manipulation portion is located on the outer surface of the base, the pressing portion protrudes laterally from the base, the The convex portion is located on the inner side of the base; the rotation limiting member is rotatably mounted on the housing through a screw, the first end of the rotating limiting member is in the shape of a plate, and the second end of the rotating limiting member is protruded for hooking The hook portion of the aforementioned convex portion.

As a preferred solution, the two ends of the first return spring are respectively pressed between the housing and the second end of the rotation limiter, and the two ends of the second return spring are respectively pressed between the casing and the push button. between.

As a preferred solution, a handle is formed on the casing, and the push button is exposed on the surface of the handle. The casing includes a left half casing, a right half casing and a cover body, and the left half casing and the right half casing It is configured as an accommodating space, the aforementioned air blowing device and the automatic stop control mechanism are all located in the accommodating space, and the cover body is installed on the right half shell and forms the aforementioned air chamber with the right half shell.

As a preferred solution, the motor is an AC motor, the blower impeller is installed at one end of the rotating shaft of the AC motor, and the cooling impeller is installed at the other end of the rotating shaft of the AC motor.

As a preferred solution, the motor is a DC motor.

As a preferred solution, the casing is provided with a battery compartment for placing dry batteries for powering the blower, and a battery cover is provided on the casing for the battery compartment.

As a preferred solution, a storage battery for powering the blowing device is built in the casing, and a charging interface is provided on the casing for the storage battery, and the charging interface is exposed to the casing.

As a preferred solution, a one-way valve plate is arranged in the air outlet, and the air inlet nozzle is arranged in the air outlet and is located on the front side of the one-way valve plate.

As a preferred solution, the air inlet nozzle is integrally formed on the casing, and the air inlet nozzle is located beside the air outlet.

Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, it can be known from the above technical solutions:

1. By installing an air nozzle, the second cavity is used to connect to the air inlet nozzle separately to accurately obtain the actual air pressure inside the inflatable, and cooperate with the push button, rotation limiter, movable pressure member, air pressure sensing film, and the first The return spring and the second return spring control the micro switch, so as to realize the automatic stop control of the air pump. The invention has simple structure, convenient assembly, and can accurately control the actual air pressure of the inflatable object, thus bringing convenience to the user .

2. The motor of the present invention can be designed to use an AC motor to directly connect to an external AC power supply, to use a DC motor to connect to an external AC power supply, to use a built-in battery for power supply, or to use a built-in dry battery for power supply. There are various styles to meet the requirements of different users.

In order to more clearly illustrate the structural features and functions of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the perspective view of the assembly of the first preferred embodiment of the present invention;

Fig. 2 is the exploded view of the first preferred embodiment of the present invention;

Fig. 3 is the sectional view of the first preferred embodiment of the present invention;

Fig. 4 is the assembling perspective schematic diagram of the automatic stop control mechanism in the first preferred embodiment of the present invention;

Fig. 5 is an exploded view of the automatic stop control mechanism in the first preferred embodiment of the present invention;

Fig. 6 is an exploded view of another angle of the automatic stop control mechanism in the first preferred embodiment of the present invention;

FIG. 7 is an assembled perspective view of a second preferred embodiment of the present invention;

Figure 8 is an exploded view of a second preferred embodiment of the present invention;

Fig. 9 is an assembled perspective view of a third preferred embodiment of the present invention;

Fig. 10 is an exploded view of a third preferred embodiment of the present invention;

Fig. 11 is an assembled perspective view of a fourth preferred embodiment of the present invention;

Figure 12 is an exploded view of a fourth preferred embodiment of the present invention;

Fig. 13 is an assembled perspective view of a fifth preferred embodiment of the present invention;

Fig. 14 is an exploded view of a fifth preferred embodiment of the present invention.

Explanation of the accompanying drawings:

10. Chassis 11. Left half shell

12. Right half shell 13. Partition

14. Left half shell 15. Right half shell

16. Cover body 17. Battery cover

101. Gas chamber 102. Air inlet

103. Air outlet 104. Air intake nozzle

105. One-way valve plate 106. Plug wire

107. Handle 108. Battery compartment

20. Blowing device 21. Blast impeller

22. Motor 23. Cooling impeller

30. Automatic stop control mechanism 31. Shell

311. Base 312. Cover

32. Micro switch 33. push button

331: base 332. Control Department

333. Resisting part 334: Convex

34. Rotation limiter 341: hook department

35. Movable pressure parts 351. Limit plate

352. Top Column 36. Air pressure sensing film

37. Screws 38. The first return spring

39. Second return spring 301. First cavity

302. Second cavity 40. Battery

50. Charging interface 60. Dry batteries.

detailed description

Please refer to Fig. 1 to Fig. 6, which shows the specific structure of the first preferred embodiment of the present invention, including the organic casing 10 and the blower device 20 and the automatic stop control mechanism 30 arranged in the casing 10 .

The casing 10 has an air chamber 101, and the casing 10 is provided with an air inlet 102, an air outlet 103, and an air inlet 104 for sensing the air pressure in the inflatable. The air inlet 102 and the air outlet 103 are connected to the aforementioned air chamber. 101. Specifically, in this embodiment, the casing 10 includes a left half-shell 11 and a right half-shell 12, and a partition 13 is arranged in the space enclosed by the left half-shell 11 and the right half-shell 12. 13 The space formed by the left half shell 11 and the right half shell 12 is separated to form the aforementioned air chamber 101, the air inlet 102 is located on the top surface of the casing 10, and the air outlet 103 is located on the top side edge of the casing 10; and , the air outlet 103 is provided with a one-way valve plate 105 , the air inlet nozzle 104 is arranged in the air outlet 103 and is located on the front side of the one-way valve plate 105 .

The blower device 20 includes a blower impeller 21 and a motor 22 that drives the blower impeller 21 to rotate. The blower impeller 21 is located in the air chamber 101, and the air inlet side of the blower impeller 21 faces the air inlet 102. The air outlet side of 21 is facing the air outlet 103. In this embodiment, the motor 22 is an AC motor, which is connected to an external power socket through a plug wire 106 , and the motor 22 is fixed on the partition plate 13 by screws.

As shown in Figures 4 to 6, the automatic stop control mechanism 30 includes a housing 31, a micro switch 32, a push button 33, a rotation limiter 34, a movable pressing member 35 and an air pressure sensing film 36; the housing 31 consists of The base 311 and the upper cover 312 are composed; the micro switch 32 is used to control the blower device 20 to turn on or off the power supply; the push button 33 is used to trigger the micro switch 32, and the push button 33 is located on the side of the micro switch 32, Specifically, the push button 33 includes a base 331 and a manipulation portion 332 formed on the base 331, a pressing portion 333 and a convex portion 334. The manipulation portion 332 is located on the outer surface of the base 331, and the pressing portion 333 is laterally Protrude from the base 331, the protrusion 334 is located on the inner side of the base 331; the rotation limiter 34 is used to limit the push button 33 so that the push button 33 keeps pressing against the micro switch 32, the rotation limiter 34 is rotatably mounted on the housing 31 by a screw 37, the first end of the rotation limiting member 34 is plate-shaped, and the second end of the rotation limiting member 34 is protrudingly provided with a hook portion 341 for hooking the aforementioned convex portion 334 ; The movable resisting member 35 is used to promote the rotation of the rotation limiting member 34 to release the restriction on the push button 33, and the movable resisting member 35 includes a limiting plate 351 and a top post 352 extending from the limiting plate 351; The air pressure sensing film 36 is used to promote the movement of the movable resisting member 35 to act on the rotation limiting member 34. The air pressure sensing film 36 is arranged in the casing 31 and separates the inside of the casing 31 to form a first cavity 301 that is closed to each other. and the second cavity 302, the first cavity 301 communicates with the outside world, and the second cavity 302 communicates with the aforementioned air intake nozzle 104; and, in this embodiment, the first end of the rotation limiting member 34 is facing the movable The pressing member 35, the second end of the rotation limiting member 34 is provided with a first return spring 38, and the two ends of the first return spring 38 are respectively pressed between the shell 31 and the second end of the rotation limiting member 34; The push button 33 is exposed from the casing 10 , and a second return spring 39 is provided for the push button 33 , and both ends of the second return spring 39 press between the casing 10 and the push button 33 respectively.

The working process of present embodiment is described in detail as follows:

When inflating, connect the inflation port of the inflatable object with the air outlet 103 of this product, then push the push button 33 so that the pressing part 333 is pressed against the micro switch 32, and at the same time, the hook part 341 hooks the convex part 334, so that the pressing part 333 keeps pressing against the micro switch 32. At this time, the blower device 20 is started, and the blower impeller 21 is driven by the motor 22 to rotate, so that the air forms an airflow from the air inlet 102 into the air chamber 101 and passes through The air outlet 103 enters the inflatable to realize inflation; as the internal air pressure of the inflatable continues to rise, the airflow enters the second cavity 302 through the air inlet nozzle 104, and the first cavity 301 is at normal pressure. When the air pressure in the cavity 302 is greater than the air pressure in the first cavity 301, the air pressure sensing film 36 is deformed, thereby promoting the movement of the movable resisting member 35, and the movement of the movable resisting member 35 makes the push post 352 act on the rotation limiting member 34, so that the rotation limiter 34 rotates, and the rotation limiter 34 rotates to make the hook 341 leave the convex portion 334, and the push button 33 is reset to leave the micro switch 32 by the action of the second return spring 39 At this time, the micro switch 32 cuts off the power supply, the blower device 20 stops working, and the automatic shutdown after the inflation is completed.

Please refer to Fig. 7 and shown in Fig. 8, it shows the specific structure of the second preferred embodiment of the present invention, the specific structure of this embodiment is basically the same as the specific structure of the aforementioned first preferred embodiment, its difference is:

In this embodiment, a handle 107 is formed on the casing 10 to facilitate the user to carry it. The push button 33 is exposed on the surface of the handle 107. The casing 10 includes a left half shell 14, a right half shell 15 and the cover 16, the left half-shell 14 and the right half-shell 15 are configured to form an accommodating space, the aforementioned blower device 20 and the automatic stop control mechanism 30 are all located in the accommodating space, and the cover 16 is installed on the right half-shell 15 Above and surrounded by the right half shell 15 to form the aforementioned air chamber 101 . And, this motor 22 is an alternating current motor, and it adopts the alternating current of 120V, and it is also electrically connected with external power socket by plug line 106, and this blower impeller 21 is installed on one end of the rotating shaft of alternating current motor, and the other end of the rotating shaft of alternating current motor is installed Radiating impeller 23 is arranged. And, the air intake nozzle 104 is integrally formed on the casing 10 , and the air intake nozzle 104 is located beside the air outlet 103 , which is not limited thereto.

The working process of this embodiment is the same as that of the aforementioned first preferred embodiment, and the working process of this embodiment will not be described in detail here.

Please refer to Fig. 9 and shown in Fig. 10, it shows the specific structure of the third preferred embodiment of the present invention, the specific structure of this embodiment is basically the same as the specific structure of the aforementioned second preferred embodiment, its difference is:

In this embodiment, the motor 22 is a DC motor, which is also electrically connected to an external power socket through a plug wire 106 .

The working process of this embodiment is the same as that of the aforementioned second preferred embodiment, and the working process of this embodiment will not be described in detail here.

Please refer to Fig. 11 and shown in Fig. 12, it shows the specific structure of the fourth preferred embodiment of the present invention, the specific structure of this embodiment is basically the same as the specific structure of the aforementioned second preferred embodiment, its difference is:

In this embodiment, the casing 10 is equipped with a storage battery 40 for supplying power to the blower device 20. For the storage battery 40, a charging interface 50 is provided on the casing 10, and the charging interface 50 is exposed to the casing 10. When the power of the battery 40 is low, just connect the charging interface 50 to an external power source for charging.

The working process of this embodiment is the same as that of the aforementioned second preferred embodiment, and the working process of this embodiment will not be described in detail here.

Please refer to Figure 13 and Figure 14, which shows the specific structure of the fifth preferred embodiment of the present invention, the specific structure of this embodiment is basically the same as that of the aforementioned second preferred embodiment, the difference is:

In this embodiment, the casing 10 is provided with a battery compartment 108 for placing the dry battery 60 so as to provide power for the blower 20, and a battery cover 17 is provided on the casing 10 for the battery compartment 108, and the battery cover 17 is connected to the casing 10. The left half shell 14 is reversibly connected. When in use, install the dry battery 60 in the battery compartment 108 and then cover the battery cover 17. After the dry battery 60 is used up, remove the dry battery 60 and replace it with a new dry battery.

The working process of this embodiment is the same as that of the aforementioned second preferred embodiment, and the working process of this embodiment will not be described in detail here.

The key points of the design of the present invention are as follows: firstly, by providing an air nozzle, the second cavity is used to communicate with the air inlet nozzle separately, so as to accurately obtain the actual air pressure inside the inflatable object, and cooperate with the push button, the rotation limiter, and the movable pressure member , the air pressure sensing film, the first return spring and the second return spring control the micro switch, thereby realizing the automatic shutdown control of the air pump. The invention has a simple structure, convenient assembly, and can accurately control the actual air pressure of the inflatable. Thereby bringing convenience to users. Secondly, the motor of the present invention can be designed to be directly connected to an external AC power source by an AC motor, connected to an external AC power source by a DC motor, powered by a built-in storage battery or powered by a built-in dry battery, with various styles to meet the requirements of different users.

The above descriptions are only preferred embodiments of the present invention, and do not limit the technical scope of the present invention in any way, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention are still valid. It belongs to the scope of the technical solutions of the present invention.

Claims (10)

1. An external automatic control intelligent air pump is characterized in that: it comprises an organic casing and a blower device and an automatic stop control mechanism arranged in the casing; There is an air chamber inside the casing, and the casing is provided with an air inlet, an air outlet, and an air inlet nozzle for sensing the air pressure inside the inflatable, and both the air inlet and the air outlet are connected to the aforementioned air chamber; The blowing device includes a blowing impeller and a motor that drives the blowing impeller to rotate. The blowing impeller is located in the air chamber, the air inlet side of the blowing impeller faces the air inlet, and the air outlet side of the blowing impeller faces the air outlet; The automatic stop control mechanism includes a shell, a micro switch for controlling the blower device to turn on or off the power supply, a push button for triggering the micro switch, and a limit for the push button so that the push button remains pressed. The rotation limiting part of the micro switch, the movable pressing part used to promote the rotation of the rotating limiting part to release the limit to the push button, and the movable pressing part to act on the rotating limiting part Deformable air pressure sensing film; the air pressure sensing film is arranged in the shell and separates the inside of the shell to form a first cavity and a second cavity that are closed to each other, the first cavity communicates with the outside world, and the second cavity communicates with the aforementioned Intake nozzle, the first end of the rotation limiter is facing the movable pressure member, the second end of the rotation limiter is provided with a first return spring, the push button is exposed to the casing, and a second reset is provided for the push button spring. 2. The external automatic control intelligent air pump according to claim 1, characterized in that: the push button includes a base, a control part formed on the base, a pressing part and a convex part, and the control part is located at the base of the base. On the outer surface, the pressing portion protrudes laterally from the base, and the convex portion is located on the inner side of the base; the rotation limiting member is rotatably mounted on the housing through a screw, and the first end of the rotating limiting member is plate-shaped. The second end of the rotation limiting member protrudes with a hook portion for hooking the aforementioned convex portion. 3. The external automatic control intelligent air pump according to claim 2, characterized in that: the two ends of the first return spring are respectively pressed between the shell and the second end of the rotation limiter, and the second return spring Two ends of the spring are pressed between the casing and the push button respectively. 4. The external automatic control intelligent air pump according to claim 1, characterized in that: a handle is formed on the casing, the push button is exposed on the surface of the handle, the casing includes a left half shell, a right The half shell and the cover body, the left half shell and the right half shell are surrounded to form an accommodating space, the aforementioned blower device and the automatic stop control mechanism are all located in the accommodating space, the cover is installed on the right half shell The enclosure constitutes the aforementioned air chamber. 5. The external automatic control intelligent air pump according to claim 1, characterized in that: the motor is an AC motor, the blower impeller is installed on one end of the rotating shaft of the AC motor, and the other end of the rotating shaft of the AC motor is installed with a heat sink impeller. 6. The external automatic control intelligent air pump according to claim 1, wherein the motor is a DC motor. 7. The external automatic control intelligent air pump according to claim 1, characterized in that: the casing is provided with a battery compartment for placing dry batteries so as to provide power for the blower device, and for the battery compartment, a battery compartment is provided on the casing battery cover. 8. The external automatic control intelligent air pump according to claim 1, characterized in that: the casing has a built-in storage battery for powering the blower device, and for the storage battery, a charging interface is provided on the casing, the The charging interface is exposed on the casing. 9. The external automatic control intelligent air pump according to claim 1, characterized in that: a one-way valve is arranged in the air outlet, and the air inlet nozzle is arranged in the air outlet and is located on the front side of the one-way valve . 10. The external automatic control intelligent air pump according to claim 1, characterized in that: the air inlet nozzle is integrally formed on the casing, and the air inlet nozzle is located beside the air outlet.