Electromagnetic valve module with pump for inflation and deflation control

Abstract

The utility model discloses a solenoid valve module with a pump for inflation and deflation control, which comprises an air bag and an air pump, a first control valve is arranged between an air outlet of the air pump and the air bag, a second control valve and a third control valve are arranged between an air inlet of the air pump and the air bag, the first control valve is provided with a port A, a port B and a port C, and the third control valve is provided with a port B and a port C; the first control valve is provided with a first working state and a second working state, and has the beneficial effects that the first control valve, the second control valve, the third control valve and the air pump are matched with one another after being switched in different states, so that the functions of inflating, pressure maintaining, slow discharging, quick discharging and air sucking can be realized for the air bag; and the exhaust speed of the air bag is adjusted through mutual cooperation of the first control valve, the second control valve, the third control valve and the air pump, so that the requirement for adjusting the exhaust speed needed by the air bag under different conditions can be met, and the functions are more diversified.

Description

TECHNICAL FIELD

[0001] The utility model relates to a charge and discharge device technical field, especially a kind of pump electromagnetic valve module for charge and discharge control. BACKGROUND

[0002] Air bag is indispensable massage component in massage instrument. For example, air bag in massage chair is an innovative device that applies extrusion massage to specific parts of human body through precise inflation and deflation mechanism. It can simulate the massage intensity and rhythm of human hand delicately, so as to effectively relax muscles and promote blood flow. It can be said that air bag is the "power muscle" of massage chair, which directly determines the specific part and final effect of massage. These air bags can flexibly implement wrapped or precise point pressing massage on multiple areas such as arms, legs and hips, and cover multiple key parts such as shoulders, arms, waist, hips and thighs.

[0003] In the prior art, the air source is usually used to inflate and deflate the air bag by means of air pump electromagnetic valve. Through retrieval, a kind of air bag inflation and deflation control system inflation and deflation device is provided in Chinese utility model patent (authorized publication number: CN213598132U), which includes inflation pump and air path reversing valve communicated with inflation pump, air path reversing valve has inflatable air path and deflation air path that can be switched with each other, inflation pump realizes inflation or deflation by air path switching in air path reversing valve. The air path reversing valve in the utility model is used with the inflation pump to switch inflatable air path and deflation air path, which can inflate and deflate the air bag. It not only can control cost, but also has the characteristics of convenient operation and flexible use.

[0004] The defect of prior art is that although the air path reversing valve can realize the function of inflation and deflation with only one air pump, it cannot adjust the exhaust speed when rapid exhaust of air bag is required, so the defect needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model aims at the above problems, and provides a kind of pump electromagnetic valve module for charge and discharge control, with the advantages of function diversification and adjustable exhaust speed.

[0006] To achieve the above object, the utility model provides the following technical scheme: including air bag and air pump, the first control valve is arranged between the air pump outlet and the air bag, the second control valve and the third control valve are arranged between the air inlet of the air pump and the air bag;

[0007] The first control valve is provided with A port, B port and C port, and the first control valve has first working state and second working state; when the first control valve is in the first working state, A port and C port are communicated, and A port and B port are cut off; when the first control valve is in the second working state, A port and B port are communicated, and A port and C port are cut off.

[0008] The second control valve is provided with D port, E port and F port, and the second control valve has third working state and fourth working state; when the second control valve is in the third working state, D port and F port are communicated, and D port and E port are cut off; when the second control valve is in the fourth working state, D port and E port are communicated, and D port and F port are cut off.

[0009] The third control valve is provided with G port and H port, and the third control valve has fifth working state and sixth working state; when the third control valve is in the fifth working state, G port and H port are cut off; when the third control valve is in the sixth working state, G port and H port are communicated.

[0010] Preferably, the air inlet of the air pump is communicated with H port of the third control valve through the air pump suction pipe, the air outlet of the air pump is communicated with A port of the first control valve through the air pump outlet pipe, and E port of the second control valve is connected to G port of the third control valve through the air connection pipe.

[0011] Preferably, B port of the first control valve and D port of the second control valve are communicated with the air bag through the three-way connecting pipe.

[0012] Preferably, the installation shell and the cover body are detachably matched, and the installation shell has a placing cavity for placing the first control valve, the second control valve and the third control valve.

[0013] Preferably, the installation shell is provided with a fixing plate, and the first control valve and the second control valve are fixedly installed on the fixing plate.

[0014] Preferably, the installation shell is provided with a first through hole and a second through hole, the first through hole is used for penetrating the three-way connecting pipe to connect with the air bag, and the second through hole is used for penetrating the air pump suction pipe to connect with the air pump.

[0015] Compared with the prior art, the utility model has the advantages of the following:

[0016] The utility model provides a kind of for the pump electromagnetic valve module of inflation and deflation control, by the cooperation setting of air pump, first control valve, second control valve and third control valve, by the switching of first control valve in first working state and second working state, the switching of second control valve in third working state and fourth working state, the switching of third control valve in fifth working state and sixth working state and the switching of air pump's opening and closing state, by first control valve, second control valve, third control valve and air pump are mutually matched after the state switching of different, it can be realized to air bag and function of inflation, pressure maintenance, slow discharge, fast discharge and inspiration, and then by the mutual cooperation between first control valve, second control valve, third control valve and air pump realizes the speed of adjusting air bag exhaust, to meet the exhaust speed required by air bag under different conditions, function is more versatile. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is whole structure schematic diagram of the utility model;

[0018] Figure 2 It is air path principle drawing of the utility model;

[0019] Figure 3 It is three-dimensional structure schematic diagram of the utility model;

[0020] Figure 4 It is part of three-dimensional structure schematic diagram of the utility model.

[0021] BRIEF DESCRIPTION OF DRAWINGS:1, air bag;2, air pump;3, first control valve;4, second control valve;5, third control valve;6, air pump outlet pipe;7, air pump suction pipe;8, three-way connecting pipe;9, gas connecting pipe;10, installation shell;100, cover;101, placing cavity;102, fixed plate;103, first through-hole;104, second through-hole. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] As Figures 1-4As shown, a pump electromagnetic valve module for inflation and deflation control includes a gas bag 1 and a gas pump 2, a first control valve 3 for controlling inflation is arranged between the gas bag 1 and the gas pump 2, the first control valve 3 is provided with A port, B port and C port, the first control valve 3 has a first working state and a second working state, when the first control valve 3 is in the first working state, A port and C port are communicated, and A port and B port are cut off; when the first control valve 3 is in the second working state, A port and B port are communicated, and A port and C port are cut off.

[0024] A second control valve 4 for controlling deflation is arranged between the gas bag 1 and the gas pump 2, the second control valve 4 is provided with D port, E port and F port, the second control valve 4 has a third working state and a fourth working state, when the second control valve 4 is in the third working state, D port and F port are communicated, and D port and E port are cut off; when the second control valve 4 is in the fourth working state, D port and E port are communicated, and D port and F port are cut off.

[0025] A third control valve 5 for controlling deflation is arranged between the second control valve 4 and the gas pump 2, the third control valve 5 is provided with G port and H port, the third control valve 5 has a fifth working state and a sixth working state, when the third control valve 5 is in the fifth working state, G port and H port are cut off; when the third control valve 5 is in the sixth working state, G port and H port are communicated.

[0026] In the present application, the first control valve 3 and the second control valve 4 are two-position three-way electromagnetic valves, and the third electromagnetic valve is a normally closed two-position two-way electromagnetic valve.

[0027] The B port of the first control valve 3 and the D port of the second control valve 4 are respectively connected to the gas bag 1, the gas inlet of the gas pump 2 is connected to the H port, the gas outlet of the gas pump 2 is connected to the A port, and the E port of the second control valve 4 is connected to the G port of the third control valve 5.

[0028] The gas inlet of the gas pump 2 is communicated between the third control valve 5 and the H port through the gas pump suction pipe 7, the gas outlet of the gas pump 2 is communicated between the first control valve 3 and the A port through the gas pump outlet pipe 6, and the E port of the second control valve 4 is connected to the G port of the third control valve 5 through the gas connection pipe 9.

[0029] The gas bag 1 is connected to the B port of the first control valve 3 and the D port of the second control valve 4, and the gas pump 2 is connected to the A port of the first control valve 3 and the E port of the second control valve 4.

[0030] The gas inlet of the gas pump 2 is communicated between the second control valve 4 and the E port through the gas pump suction pipe 7, and the gas outlet of the gas pump 2 is communicated between the first control valve 3 and the A port through the gas pump outlet pipe 6.

[0031] The B port of the first control valve 3 and the D port of the second control valve 4 are connected with the air bag 1 through a three-way connecting pipe 8, the three-way connecting pipe 8 has three connecting ports, the three connecting ports are connected with the air bag 1, the B port of the first control valve 3 and the D port of the second control valve 4 respectively, the three-way connecting pipe 8 is in the shape of "h" in the application, and the three-way connecting pipe 8 can also be in the shape of "Y" or other arbitrary shape with three connecting ports.

[0032] The E port of the second control valve 4 is connected with the G port of the third control valve 5, and the H port of the third control valve 5 is connected with the air inlet of the air pump 2.

[0033] In addition, the installation shell 10 and the cover 100 are detachably matched, the installation shell 10 has a placing cavity 101 for placing the first control valve 3, the second control valve 4 and the third control valve 5, the installation shell 10 is provided with a fixed plate 102, the first control valve 3 and the second control valve 4 are fixedly installed on the fixed plate 102, the installation shell 10 is provided with a first through hole 103 and a second through hole 104, the first through hole 103 is used for connecting the three-way connecting pipe 8 with the air bag 1, the second through hole 104 is used for connecting the air pump suction pipe 7 with the air pump 2, and the installation shell 10, the cover 100, the first through hole 103, the three-way connecting pipe 8 and the second through hole 104 and the air pump suction pipe 7 are sealingly matched with a sealing ring (not marked in the figure), the sealing ring plays a waterproof sealing role.

[0034] It should be noted that the A port is the air inlet of the first control valve 3, the B port is the working port of the first control valve 3, the C port is the exhaust port of the first control valve 3, the D port is the air inlet of the second control valve 4, the E port is the working port of the second control valve 4, the F port is the exhaust port of the second control valve 4, the G port is the air inlet of the third control valve 5, and the H port is the working port of the third control valve 5.

[0035] The inflation function: the first control valve 3 is in the second working state, the second control valve 4 is in the fourth working state, the third control valve 5 is in the fifth working state, and the air pump 2 is in the starting state, the air pump 2 fills the gas into the air bag 1 through the air pump 2 inflation pipe, the first control valve 3 and the three-way connecting pipe 8.

[0036] The pressure maintaining function: when the air bag 1 is inflated, the first control valve 3 is in the first working state, the second control valve 4 is in the fourth working state, and the third control valve 5 is in the fifth working state, so that the air bag 1 is in the pressure maintaining state.

[0037] Slow exhaust function: the first control valve 3 is in the first working state, the second control valve 4 is in the third working state, the third control valve 5 is in the fifth working state or the sixth working state, and the air pump 2 is in the closed state, at this time, the gas in the air bag 1 is slowly exhausted to the atmosphere through the three-way connecting pipe 8 and the F port of the second control valve 4, realizing the slow exhaust function.

[0038] Fast exhaust function: the first control valve 3 is in the first working state, and the second control valve 4 is in the fourth working state, the third control valve 5 is in the sixth working state, and the air pump 2 is in the starting state, at this time, the gas in the air bag 1 is pumped through the air pump 2, so that the gas in the air bag 1 is exhausted to the atmosphere through the three-way connecting pipe 8, the second control valve 4, the air pump 2 inflation pipe and the air pump 2, and finally from the C port of the first control valve 3, through the starting of the air pump 2, so that the gas flow is faster, and thus the air bag 1 exhausts the gas faster.

[0039] Suction function: the first control valve 3 is in the first working state, and the second control valve 4 is in the fourth working state, the third control valve 5 is in the sixth working state, and the air pump 2 is in the starting state, at this time, the gas in the air bag 1 is pumped through the air pump 2, so that the pumped gas is exhausted to the atmosphere through the three-way connecting pipe 8, the second control valve 4, the air pump 2 inflation pipe and the air pump 2, and finally from the C port of the first control valve 3, compared with the fast exhaust function, the suction function is to exhaust the gas in the air bag 1 to the deflated state.

[0040] It should be noted that, in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0041] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A solenoid valve module with a pump for inflation / deflation control, characterized in that: It includes an airbag (1) and an air pump (2). A first control valve (3) is provided between the air outlet of the air pump (2) and the airbag (1). A second control valve (4) and a third control valve (5) are provided between the air inlet of the air pump (2) and the airbag (1). The first control valve (3) is provided with port A, port B and port C. The first control valve (3) has a first working state and a second working state. When the first control valve (3) is in the first working state, port A and port C are connected and port A and port B are disconnected. When the first control valve (3) is in the second working state, port A and port B are connected and port A and port C are disconnected. The second control valve (4) is provided with port D, port E and port F. The second control valve (4) has a third working state and a fourth working state. When the second control valve (4) is in the third working state, port D and port F are connected and port D and port E are disconnected. When the second control valve (4) is in the fourth working state, port D and port E are connected and port D and port F are disconnected. The third control valve (5) is provided with a G port and an H port. The third control valve (5) has a fifth working state and a sixth working state. When the third control valve (5) is in the fifth working state, the G port and the H port are cut off; when the third control valve (5) is in the sixth working state, the G port and the H port are connected.

2. A solenoid valve module with pump for inflation / deflation control according to claim 1, characterized in that: The air inlet of the air pump (2) is connected to the H port of the third control valve (5) through the air pump suction pipe (7), the air outlet of the air pump (2) is connected to the A port of the first control valve (3) through the air pump outlet pipe (6), and the E port of the second control valve (4) is connected to the G port of the third control valve (5) through the air inlet pipe (9).

3. A solenoid valve module with pump for inflation / deflation control according to claim 2, characterized in that: The B port of the first control valve (3) and the D port of the second control valve (4) are connected to the airbag (1) through a three-way connecting pipe (8).

4. A solenoid valve module with pump for inflation / deflation control according to claim 3, characterized in that: It also includes a mounting shell (10) and a cover (100), the mounting shell (10) and the cover (100) being detachably coupled, the mounting shell (10) having a placement cavity (101) for placing the first control valve (3), the second control valve (4) and the third control valve (5).

5. A solenoid valve module with pump for inflation / deflation control according to claim 4, characterized in that: The mounting housing (10) is provided with a fixing plate (102), and the first control valve (3) and the second control valve (4) are fixedly installed on the fixing plate (102).

6. A solenoid valve module with pump for inflation / deflation control according to claim 4, characterized in that: The mounting housing (10) has a first through hole (103) and a second through hole (104). The first through hole (103) is used for the three-way connecting pipe (8) to pass through and connect to the airbag (1). The second through hole (104) is used for the air pump suction pipe (7) to pass through and connect to the air pump (2).

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