Inflation and suction built-in pump system for inflatable mattress

Abstract

The utility model discloses an inflation and suction built-in pump system for an inflatable mattress, which comprises a first stepping motor, a low-voltage motor and a second stepping motor, the first stepping motor and the low-voltage motor are used for opening and closing an air passage one-way valve, the second stepping motor is used for opening and closing a mattress one-way valve, and when the air passage one-way valve and the mattress one-way valve are opened, a mattress cavity is communicated with an air passage; the fourth stepping motor is used for opening and closing an air column one-way valve in the mattress, the third stepping motor is used for opening and closing an air channel communicating one-way valve, and when the air column one-way valve in the mattress and the air channel communicating one-way valve are opened, an air column in the mattress is communicated with the air channel. An electric inflation and deflation mode is adopted, the two air channels are controlled through one air pump, inflation of the air columns and inflation of the mattress are independent and separated, and air series flow of the air columns and the cavity of the mattress can be prevented from affecting the comfort level of the mattress. Due to the fact that inflation of the air columns and inflation of the mattress are independent, the pressure of the air columns and the pressure of the mattress are easy to control.

Description

TECHNICAL FIELD

[0001] The utility model relates to the air charging device of mattress, especially involve a kind of air charging built-in pump system for air mattress. BACKGROUND

[0002] With the continuous improvement of people's material living standard, more and more people begin to pay attention to their life quality. Sleep occupies one-third of people's life time, and mattress is an essential household product in people's daily life. With the continuous improvement of people's living standard, people's requirements for the appearance, comfort, function, environmental protection characteristics and product quality of mattress are also higher and higher. The development of mattress is also towards stereoscopic and multifunctional.

[0003] Air mattress is one of many mattress types, which has the advantages of adjusting the softness and comfort of bed body and being convenient to carry. The existing air mattress generally includes an air chamber, an air pump and an air pipe. A pressure sensor is arranged in the air chamber. The air pipe is connected to the air column in the air chamber. The air pump provides air source. The existing air charging mode is to first charge the air chamber. After the air chamber is filled, the air in the air chamber is charged into the air column. This air charging mode needs the air pressure in the air chamber to be large enough to charge the air in the air chamber into the air column, which leads to long charging time and air flow between the air chamber and the air column, resulting in unstable pressure. SUMMARY

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide an air charging built-in pump system for air mattress.

[0005] The utility model discloses a kind of air charging built-in pump systems for air mattress, including

[0006] One step motor and low voltage motor for opening and closing air passage one-way valve,

[0007] Second step motor for opening and closing mattress one-way valve, when the air passage one-way valve and the mattress one-way valve are opened, mattress cavity is communicated with air passage;

[0008] Fourth step motor for opening and closing air column one-way valve in mattress and third step motor for opening and closing communication air passage one-way valve, when the air column one-way valve in mattress and the communication air passage one-way valve are opened, air column in mattress is communicated with the air passage,

[0009] When charging, the low voltage motor controls the opening and closing of the air passage one-way valve,

[0010] When inhaling, the one step motor controls the opening and closing of the air passage one-way valve.

[0011] The inflation process of the air column in the mattress is divided into low-pressure inflation and high-pressure inflation, the low-pressure inflation is realized by a low-pressure motor, and the high-pressure inflation is completed by a piston assembly.

[0012] As an improvement of the built-in pump system for the air mattress, the air mattress pressure sensor and the air column pressure sensor are further included, when the air pressure in the air mattress cavity reaches the set value, the second stepper motor closes the one-way valve of the air mattress;

[0013] When the air pressure of the air column reaches the set value, the third stepper motor closes the one-way valve of the communication air duct, and the fourth stepper motor closes the one-way valve of the air column in the mattress.

[0014] As an improvement of the built-in pump system for the air mattress, the piston assembly is further included, when the air pressure of the air column in the mattress reaches 1 PSI, the PCBA controls the piston assembly to open and close the low-pressure motor and the one-way valve of the air duct, and the piston assembly continues to inflate the air column in the mattress.

[0015] When the air pressure of the air column in the mattress reaches 6 PSI, the third stepper motor closes the one-way valve of the communication air duct, the fourth stepper motor closes the one-way valve of the air column in the mattress, and the piston assembly is closed with a delay.

[0016] As an improvement of the built-in pump system for the air mattress, when inflating, the low-pressure motor controls the one-way valve of the air duct to open, the second stepper motor pushes away the one-way valve of the mattress, when the air pressure of the air cavity of the mattress reaches 0.6 PSI, the second stepper motor closes the one-way valve of the mattress, the third stepper motor opens the one-way valve of the communication air duct, and the fourth stepper motor opens the one-way valve of the air column in the mattress, the air duct is communicated with the air column in the mattress, and the air column in the mattress starts to be inflated, when the air pressure of the air column in the mattress reaches 1 PSI, the PCBA controls the piston assembly to open and close the low-pressure motor and the one-way valve of the air duct, and the piston assembly continues to inflate the air column in the mattress.

[0017] When the air pressure of the air column in the mattress reaches 6 PSI, the third stepper motor closes the one-way valve of the communication air duct, the fourth stepper motor closes the one-way valve of the air column in the mattress, and the piston assembly is closed with a delay of 3 seconds, and the piston assembly closed with a delay of 3 seconds can prevent the air column in the mattress from deflating.

[0018] As an improvement of the built-in pump system for the air mattress of the utility model, when inhaling, the first stepper motor controls the air passage one-way valve to open, the third stepper motor opens the communication air passage one-way valve, the fourth stepper motor opens the air column one-way valve in the air mattress, and the air column in the air mattress is inhaled;

[0019] When the air column pressure sensor senses that the air pressure of the air column in the air mattress is 0PSI, the third stepper motor closes the communication air passage one-way valve, the fourth stepper motor closes the air column one-way valve in the air mattress, and the second stepper motor opens the air mattress one-way valve to inhale the air cavity of the air mattress,

[0020] When the air column pressure sensor senses that the air pressure of the air column in the air mattress is 0PSI, the third stepper motor closes the communication air passage one-way valve, the fourth stepper motor closes the air column one-way valve in the air mattress, and the second stepper motor opens the air mattress one-way valve to inhale the air cavity of the air mattress,

[0021] The utility model discloses the beneficial effect lies in: the utility model discloses the electric filling and discharging mode, controls two air passages through a gas pump, and air column inflation and air mattress inflation are independent and separate, can prevent the air column and the air cavity of air mattress from air cross flow, and the comfort of air mattress is affected. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the system structure diagram of the utility model;

[0023] Figure 2 It is the air mattress inflation gas flow direction schematic drawing of the utility model;

[0024] Figure 3 It is the air column inflation gas flow direction schematic drawing in the air mattress of the utility model;

[0025] Figure 4 It is the air column suction gas flow direction schematic drawing in the air mattress of the utility model;

[0026] Figure 5 It is the air column suction gas flow direction schematic drawing in the air mattress of the utility model;

[0027] The figure mark is: 1, air passage one-way valve, 2, first stepper motor, 3, low voltage motor, 4, air mattress one-way valve, 5, second stepper motor, 6, air passage, 7, air column one-way valve in the air mattress, 8, fourth stepper motor, 9, communication air passage one-way valve, 10, third stepper motor, 11, air mattress pressure sensor, 12, air column pressure sensor, 13, piston assembly, 14, switch lever. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0029] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0030] In addition, the description of "first", "second" and the like in the present utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present utility model.

[0031] As shown in Figures 1-5 A built-in pump system for inflating and sucking air mattress, comprising

[0032] A first stepper motor 2 and a low-voltage motor 3 for opening and closing the air passage one-way valve 1,

[0033] A second stepper motor 5 for opening and closing the mattress one-way valve 4, when the air passage one-way valve 1 and the mattress one-way valve 4 are opened, the mattress cavity (not shown in the figure) is communicated with the air passage 6;

[0034] A fourth stepper motor 8 for opening and closing the air column one-way valve 7 in the mattress and a third stepper motor 10 for opening and closing the communication air passage one-way valve 9, when the air column one-way valve 7 in the mattress and the communication air passage one-way valve 9 are opened, the air column (not shown in the figure) in the mattress is communicated with the air passage 6,

[0035] When inflating, the low-voltage motor 3 controls the opening and closing of the air passage one-way valve 1,

[0036] When sucking, the first stepper motor 2 controls the opening and closing of the air passage one-way valve 1 through the switching rod 14.

[0037] The inflation process of the air column in the mattress is divided into low-pressure inflation and high-pressure inflation. The low-pressure inflation is realized by the low-pressure motor 3, and the high-pressure inflation is completed by the piston assembly 13. This inflation mode is convenient for controlling the air column and the air pressure of the mattress.

[0038] Preferably, the mattress air pressure sensor 11 and the air column air pressure sensor 12 are further included. When the air pressure of the mattress cavity reaches the set value, the second stepper motor 5 closes the mattress one-way valve 4.

[0039] When the air pressure of the air column (not shown in the figure) in the mattress reaches the set value, the third stepper motor 10 closes the communication air passage one-way valve 9, and the fourth stepper motor 8 closes the air column one-way valve 7 in the mattress.

[0040] Preferably, the piston assembly 13 is further included. When the air pressure of the air column in the mattress reaches 1 PSI, the PCBA controls the piston assembly 13 to open and close the low-pressure motor 3 and the air passage one-way valve 1, and the piston assembly 13 continues to inflate the air column in the mattress.

[0041] When the air pressure of the air column in the mattress reaches 6 PSI, the third stepper motor 10 closes the communication air passage one-way valve 9, the fourth stepper motor 8 closes the air column one-way valve 7 in the mattress, and the piston assembly 13 is delayed to close.

[0042] When inflating, press the switch button once. The low-pressure motor 3 controls the air passage one-way valve 1 to open, the second stepper motor 5 pushes away the mattress one-way valve 4, the air pressure of the mattress cavity reaches 0.6 PSI, the second stepper motor 5 closes the mattress one-way valve 4, the third stepper motor 10 opens the communication air passage one-way valve 9, the fourth stepper motor 8 opens the air column one-way valve 7 in the mattress, the air passage 6 is communicated with the air column in the mattress, and the inflation of the air column in the mattress is started. When the air pressure of the air column in the mattress reaches 1 PSI, the PCBA controls the piston assembly 13 to open and close the low-pressure motor 3 and the air passage one-way valve 1, and the piston assembly 13 continues to inflate the air column in the mattress.

[0043] When the air pressure of the air column in the mattress reaches 6 PSI, the third stepper motor 10 closes the communication air passage one-way valve 9, the fourth stepper motor 8 closes the air column one-way valve 7 in the mattress, and the piston assembly 13 is delayed to close for 3 seconds. The piston assembly 13 delayed to close for 3 seconds can prevent the air column in the mattress from deflating.

[0044] When inhaling, press the switch button twice continuously. The first stepper motor 2 controls the air passage one-way valve 1 to open, the third stepper motor 10 opens the communication air passage one-way valve 9, the fourth stepper motor 8 opens the air column one-way valve 7 in the mattress, and the air column in the mattress is inhaled.

[0045] When the air column pressure sensor 12 senses that the air pressure of the air column in the mattress is 0 PSI, the third stepping motor 10 closes the communication air passage one-way valve 9, the fourth stepping motor 8 closes the air column one-way valve 7 in the mattress, and the second stepping motor 5 opens the mattress one-way valve 4, so that the air cavity of the mattress is inhaled,

[0046] When the air column pressure sensor 12 senses that the air pressure of the air column in the mattress is 0 PSI, the third stepping motor 10 closes the communication air passage one-way valve 9, the fourth stepping motor 8 closes the air column one-way valve 7 in the mattress, and the second stepping motor 5 opens the mattress one-way valve 4, so that the air cavity of the mattress is inhaled,

[0047] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An inflating and pumping system for an air bed, comprising: Comprising a first stepper motor and a low voltage motor for opening and closing an airway one-way valve, a second stepper motor for opening and closing a mattress one-way valve, the airway one-way valve and the mattress one-way valve being open, the mattress cavity being in communication with the airway; a fourth stepper motor for opening and closing a mattress air column one-way valve and a third stepper motor for opening and closing a communication airway one-way valve, the mattress air column one-way valve and the communication airway one-way valve being open, the mattress air column being in communication with the airway, the low voltage motor controls the opening and closing of the airway one-way valve when inflating, the first stepper motor controls the opening and closing of the airway one-way valve when deflating.

2. The self-contained inflator system for an air bed according to claim 1, wherein Further comprising a mattress air pressure sensor and an air column air pressure sensor, when the mattress air pressure sensor senses that the air pressure of the mattress cavity reaches a set value, the second stepper motor closes the mattress one-way valve; when the air column air pressure sensor senses that the air pressure of the air column reaches a set value, the third stepper motor closes the communication airway one-way valve, the fourth stepper motor closes the mattress air column one-way valve.

3. The self-contained inflator system for an air bed according to claim 1, wherein Further comprising a piston assembly, the piston assembly is controlled by a PCBA, when the air pressure of the mattress air column reaches 1 PSI, the PCBA controls the piston assembly to open and close the low voltage motor and the airway one-way valve, the piston assembly continues to inflate the mattress air column; when the air pressure of the mattress air column reaches 6 PSI, the third stepper motor closes the communication airway one-way valve, the fourth stepper motor closes the mattress air column one-way valve, the piston assembly closes with a delay of 3 seconds.

4. The inflator system for an air bed according to claim 3, wherein When inflating, the low voltage motor controls the opening of the airway one-way valve, the second stepper motor pushes away the mattress one-way valve, when the air pressure of the mattress cavity reaches 0.6 PSI, the second stepper motor closes the mattress one-way valve, the third stepper motor opens the communication airway one-way valve, the fourth stepper motor opens the mattress air column one-way valve, the airway is in communication with the mattress air column and starts to inflate the mattress air column, when the air pressure of the mattress air column reaches 1 PSI, the PCBA controls the piston assembly to open and close the low voltage motor and the airway one-way valve, the piston assembly continues to inflate the mattress air column; when the air pressure of the mattress air column reaches 6 PSI, the third stepper motor closes the communication airway one-way valve, the fourth stepper motor closes the mattress air column one-way valve, the piston assembly closes with a delay of 3 seconds.

5. The self-contained inflator system for an air bed according to claim 2 wherein, When deflating, the first stepper motor controls the opening of the airway one-way valve, the third stepper motor opens the communication airway one-way valve, the fourth stepper motor opens the mattress air column one-way valve, the mattress air column is deflated; when the air column air pressure sensor senses that the air pressure of the mattress air column is 0 PSI, the third stepper motor closes the communication airway one-way valve, the fourth stepper motor closes the mattress air column one-way valve, the second stepper motor opens the mattress one-way valve, the mattress cavity is deflated, When the mattress air pressure sensor senses that the air pressure in the mattress cavity is 0 PSI, the second stepper motor closes the mattress one-way valve, and the airway one-way valve resets to close.

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