TWI794003B - An air pressure distributor - Google Patents

Abstract

An air pressure distributor includes an air pressure dividing device and a driving device. The air pressure dividing device includes a main body and a cover. The main body has a first air pressure conversion cavity, a vent communication cavity, and a plurality of air pressure communication cavities. The first air pressure conversion cavity is connected to at least one air pressure input port, the vent communication cavity is connected to a vent recycle port, and the plurality of air pressure output ports are respectively connected to the corresponding air pressure communication cavities and the vent recycle port; the cover is disposed on the main body, and a second air pressure conversion cavity and a third air pressure conversion cavity are recessed on one side facing the main body, the second air pressure conversion cavity is connected with the first air pressure conversion cavity; the driving device is connected to the air pressure dividing device and drives the cover to rotate. The second air pressure conversion cavity is connected to at least one of the air pressure communication cavities by the rotation of the cover, and one of the air pressure communication cavities is connected to the vent communication cavity through the third air pressure conversion cavity. Wherein, when one of the air pressure communication cavities is connected to the vent communication cavity, gas is leaked to the vent recycle port through the air pressure output port corresponding to the air pressure communication cavity.

Description

an air pressure distributor

The present invention relates to the technical field of air pressure regulation, especially an air pressure distributor which is applied to the air pressure supply of an air bed and has an adjustable air pressure distribution state

With the progress of the times, people's requirements for sleep quality have become more important. Beds are an indispensable piece of living furniture in human life, and various uses and various beds also appear in people's lives. Among them, a plurality of air cushions are supported and gas is filled in these air cushions to support the human body, thereby producing a kind of air mattress which is different from the comfort level of the conventional spring bed.

In the prior art, the air cushion cylinder is inflated and filled with air by directly feeding and storing air in the closed air cushion cylinder. However, under the framework of the above technology, the air stored inside the air cushion is often affected by moisture and human body temperature, resulting in uneven pressure or moisture in the air cushion, which affects the comfort of the user when lying down.

Therefore, in response to the above-mentioned deficiencies, a kind of micro-leakage air mattress has appeared on the market, which uses the air pressure pump to continuously inflate the non-closed air cushion cylinder, so that the circulation of gas can be generated in the air cushion cylinder to avoid Air cushion cylinders are affected by moisture and body heat. However, because the air cushion is continuously in the state of leaking air, and the user's body weight is attached to the top of the air cushion, so that today's micro-leakage air mattresses all use large-scale air pumps with greater output efficiency. Provides air pressure input to support the air cushion cylinder.

Please refer to Fig. 1, which is a schematic diagram of the use of an existing micro-leakage air mattress. The micro-leakage air mattress uses an inflatable pump C and a connecting pipe T to respectively inflate a plurality of independent air cylinders a of the air mattress A. pressure input. Wherein, since the air cylinder a is designed with a small pressure relief hole (not shown), the inflatable pump C operates continuously and provides air to maintain the air pressure state of the air mattress A. When the human body P is lying on the air mattress A, each air cylinder supports body parts with different weights, for example: the back B supports the core part of the human body, and the supporting force provided by it is different from only supporting the soles of the human body The support provided by the heel H after the weight. Whether it is a general air bed or a slightly leaky air bed, it is impossible to further adjust the air pressure for various parts of the human body lying on the air bed body. In this way, when the gas pressure input into each air cylinder is the same, it often leads to the user lying on it, a certain part of the body feels comfortable, but another part feels that the air cushion is too hard or too soft, which not only reduces the The use comfort of the product is even more likely to cause gaps between the user's body and the air mattress body, thereby causing damage to the bones and tendons.

Therefore, through the above description, how to improve the existing air pressure pump and air bed, so that it can have the function of air pressure distribution according to the body area in practical application, so as to improve the lying comfort of the air bed, it is necessary to provide a Air pressure distributor, to solve the technical problems mentioned above.

To achieve the aforementioned purpose, the present invention provides an air pressure distributor, which includes: an air pressure distribution device, which includes: a main body, which has a first air pressure conversion chamber, an air leakage communication chamber, and a plurality of air pressure communication chambers, The first air pressure conversion chamber communicates with at least one air pressure input port, the leak communication chamber communicates with a leak recovery port, and a plurality of air pressure output ports respectively communicate with the corresponding air pressure communication cavity and the leak recovery port; and a cover , the cover is arranged on the main body, and a second air pressure conversion chamber and a third air pressure conversion chamber are recessed on one side facing the main body, the second air pressure conversion chamber communicates with the first air pressure conversion chamber; and A driving device, connected to the air pressure distribution device and driving the cover to rotate, through the rotation of the cover, the second air pressure conversion chamber is connected to at least one of the air pressure communication chambers, and one of the air pressure communication chambers is connected to the third air pressure communication chamber. The air pressure switching chamber communicates with the air leakage communication chamber; wherein, when one of the air pressure communication chambers communicates with the air leakage communication chamber, the gas leaks to the air leakage recovery port through the air pressure output port corresponding to the air pressure communication chamber.

Further, the air pressure input port is connected with an air pressure sensor, the main body further has an air leakage detection chamber, and the cover is provided with at least one pressure relief through hole, when the pressure relief through hole communicates with the air leakage detection chamber, the The air pressure sensor detects the deflated air pressure.

Further, the air pressure distributor further includes a trigger switch, the trigger switch has a switch element and a signal connector, at least one protruding part protrudes from the peripheral wall of the cover, through the rotation of the cover, the protruding part The output part touches the switch element, and transmits the trigger signal to the external control device through the signal connector.

Further, there are three protrusions.

Further, the main body of the air pressure distribution device is formed with a trigger switch carrying protrusion, and the trigger switch is arranged on the trigger switch carrying protrusion.

Further, the drive device includes a signal connection terminal, a plurality of positioning pieces, and a buffer spring, the signal connection terminal is used to connect to the external control device, and the buffer spring is arranged between the drive device and the air pressure between splitters.

Further, there are two air pressure input ports, and three air pressure output ports.

Further, there are two air pressure input ports, and four air pressure output ports.

Further, the main body is formed with a through hole, and a drive shaft of the driving device passes through the through hole and is pivotally connected to a shaft connection hole of the cover body.

Further, a pin is passed through the drive shaft, and the pin is used to fix the air pressure distribution device and the driving device.

The invention achieves the effect of simultaneously outputting different air pressures only by using a single gas source, so that air cushion cylinders in different regions have different air pressure saturations. Compared with the previous technology in which the gas pressure of each gas cylinder is the same, it can make the user feel more comfortable, and has remarkable industrial applicability.

A: air bed

B: back

C: Inflatable pump

H: heel

P: human body

T: connecting pipe

a: Inflator

1: Pneumatic shunt device

11: Subject

111: the first air pressure conversion chamber

112: Discharge communication cavity

113: Pneumatic communication cavity

113a: the first air pressure communication cavity

113b: the second air pressure communication cavity

114: Air pressure input port

114a: the first air pressure input port

114b: the second air pressure input port

115: Discharge recovery port

116: Air pressure output port

116a: the first air pressure output port

116b: the second air pressure output port

116c: the third air pressure output port

117: Leak detection cavity

118: Through hole

119: Trigger switch rides on the bump

12: Cover body

121: The second air pressure conversion chamber

122: The third air pressure conversion chamber

123, 123a: pressure relief through hole

124, 124a: protruding part

125: shaft connection hole

2: Drive device

21: drive shaft

22: Signal connection terminal

23: Positioning parts

24: buffer spring

25: Latch

3: Trigger switch

31: switch element

32: Signal connector

S: air pressure sensor

Fig. 1 is the use sketch map of existing a kind of microleakage air mattress; Fig. 2 is the schematic diagram of the air pressure distributor of the first embodiment of the present invention; Fig. 3 is the exploded schematic view of the air pressure distributor of the first embodiment of the present invention; Fig. 4 is a schematic view of the main body of the first embodiment of the present invention at different viewing angles; 5 is a schematic view of the cover of the first embodiment of the present invention at a viewing angle; 6 to 9 are the first implementation of the present invention Figure 10 is a schematic diagram of the pneumatic distributor of the second embodiment of the present invention; Figure 11 is an exploded schematic diagram of the pneumatic distributor of the second embodiment of the present invention; and Figure 12 is a schematic diagram of the first pneumatic distributor of the present invention Schematic diagrams of the main body of the second embodiment at different viewing angles.

In order to further understand the features, technical means, and achieved specific functions and objectives of the present invention, more specific embodiments are listed here, followed by detailed descriptions of drawings and drawing numbers as follows.

The following descriptions of the various embodiments refer to the accompanying drawings to illustrate the embodiments in which the present invention can be implemented. The directional terms mentioned in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", "horizontal", "vertical", etc. It is only for orientation with reference to the attached drawings. The directional terms used are used to illustrate and understand the present invention, but not to limit the present invention.

Please match Fig. 2 to Fig. 5, which are respectively a schematic view of the air pressure distributor of the first embodiment of the present invention, an exploded view of the air pressure distributor, a schematic view of the main body 11 at different viewing angles, and a schematic view of the cover 12 at a viewing angle. The air pressure distributor is composed of an air pressure distribution device 1 , a driving device 2 and a trigger switch 3 .

Further, the air pressure distribution device 1 is composed of a main body 11 and a cover 12 covering the main body 11 . In the first embodiment, the main body 11 is recessed with a first air pressure conversion chamber 111 , a gas leakage communication chamber 112 , and two air pressure communication chambers 113 . The first air pressure conversion chamber 111 communicates with the second air pressure input port 114, and the air leakage communication chamber 112 communicates with a leak air recovery port 115, which is arranged on one side away from the second air pressure input port 114. The output port 116 communicates with the corresponding two air pressure communication chambers 113 and the leak recovery port 115 respectively (that is, the first air pressure output port 116a communicates with the first air pressure communication chamber 113a, the second air pressure output port 116b communicates with the second air pressure communication chamber 113b, and the third air pressure communication chamber 113b. The air pressure output port 116c communicates with the leak gas recovery port 115). Further, the two air pressure input ports 114 are connected to a gas supply device (not shown), and the gas supply device is used to transport gas into the air pressure splitting device 1 through the two air pressure input ports 114 (specifically, enter the first air pressure switching cavity 111). The main body 11 further has a leak detection cavity 117, which communicates with the second air pressure input port 114b (in an embodiment, it may also communicate with the first air pressure input port 114a). The cover body 12 is in the shape of a circle, and a protruding portion 124 protrudes from its outer peripheral wall. The side surface of the cover body 12 facing the main body 11 is concavely provided with a second air pressure conversion chamber 121 and a third air pressure conversion chamber. 122 , the second air pressure conversion chamber 121 communicates with the first air pressure conversion chamber 111 . In the first embodiment, the air pressure input port is connected to the air pressure sensor S, and the cover body 12 is provided with two pressure relief through holes 123. When the two pressure relief through holes 123 communicate with the air leakage detection chamber 117 respectively, The air pressure sensor S can detect the deflated pressure, detect the pressure change of the body weight in the depressurized state, and use the record and calculation of the depressurization time to determine the weight of the air mattress, and set the air in the air cylinder with automatic feedback The gas pressure allows users of different weights to obtain a more comfortable experience lying on the air mattress. It should be noted that, in this embodiment, the three-pressure output port 116 is an air cylinder connected to the air bed, so that the gas can be transmitted to the air cylinder through the three-pressure output port 116, so as to carry out the treatment of the air cylinder. Inflate. The air pressure sensor S may be disposed on the control device PCB, but is not limited thereto. The setting of the air pressure sensor S will enable the control device to monitor the air pressure input state and the pressure value of the air pressure conversion chamber to adjust the air pressure pump.

Further, the drive device 2 has a drive shaft 21, the main body 11 is formed with a through hole 118, the drive shaft 21 passes through the through hole 118 and is pivotally connected to the shaft connection hole 125 of the cover body 12, and drives the The cover body 12 rotates. Through the rotation of the cover 12 , the second air pressure conversion chamber 121 communicates with at least one of the air pressure communication chambers 113 , and one of the air pressure communication chambers 113 communicates with the leak communication chamber 112 through the third air pressure conversion chamber 122 . The driving device 2 has a signal connection terminal 22, a plurality of positioning parts 23, and a buffer spring 24. The signal connection terminal 22 is used to connect to an external control device (not shown), and the buffer spring system 24 is set Between the driving device 2 and the air pressure distribution device 1, it is used to buffer the impact caused by the operation of the driving device 2 and the air pressure distribution device 1, so as to prevent the two from being damaged due to long-term impact. In addition, the drive shaft 21 is pierced with a pin 25 , and the pin 25 is used to fix the air pressure distribution device 1 and the drive device 2 , that is, to prevent the drive shaft 21 from coming out of the through hole 118 .

Further, the trigger switch 3 has a switch element 31 and a signal connector 32, through the rotation of the cover 12, the protruding part 124 of the cover 12 touches the switch element 31, and through the signal connector 32. Transmitting the trigger signal to the external control device. Furthermore, the main body 11 of the air pressure distribution device 1 is formed with a trigger switch carrying protrusion 119 , and the trigger switch 3 is disposed on the trigger switch carrying protrusion 119 . It should be noted that, through the setting of the trigger switch 3 and the protrusion 124 of the cover 12, when the protrusion 124 touches the trigger switch 3, the external control device can accurately know the air pressure split The operating state of the device 1, and then adjust the time and frequency of its rotation or stop through the drive module 2.

In the first embodiment, when the rotation angle of the cover body 12 is defined as 0 degrees (as shown in FIG. 6A ) or clockwise, for example, 180 degrees (as shown in FIG. 6B ), the second air pressure conversion chamber 121 communicates with all the first air pressure conversion chambers. One air pressure communication chamber 113a and all the second air pressure communication chambers 113b, at this time, the gas delivered by the gas supply device passes through Inflate the air cylinder from the air pressure input port 114 , the first air pressure conversion chamber 111 , the second air pressure conversion chamber 121 , the two air pressure communication chambers 113 , and the two air pressure output ports 116 to the air bed.

Further, when the cover 12 rotates clockwise, for example, 22.5 degrees (as shown in FIG. 7A) or 202.5 degrees (as shown in FIG. 7B), the first air pressure communication chamber 113a and part of the second air pressure conversion chamber 121 communicate The second air pressure communication chamber 113b, and when the air leakage detection chamber 117 communicates with one of the two pressure relief through holes 123, the gas in the gas cylinder will reduce the amount of inflation and will be deflated through the pressure relief through hole 123, and will be connected with the pressure relief through hole 123. The air pressure input port 114 connected to the air leakage detection chamber 117 can be connected to an air pressure sensor S, so as to detect the air pressure while the air is out. Through the pressure change in the pressure out state, use the records to calculate the depressurization time to determine the air mattress. The weight of the load is automatically fed back through an external control device (not shown) to set the internal gas pressure after the inflator is inflated, so that users of different weights can lie comfortably on the air cushion massage bed.

Further, when the cover 12 rotates clockwise, for example, 67.5 degrees (as shown in FIG. 8A ) or 247.5 degrees (as shown in FIG. 8B ), the third air pressure switching chamber 122 communicates with the first air pressure chamber 113a or the second air pressure The air pressure communication chamber 113 b communicates with the leak gas communication chamber 112 , and at this time, the air pressure communication chamber 113 communicated with the leak gas communication chamber 112 will communicate with the leak gas recovery port 115 . Further, when the cover body 12 is rotated clockwise by 67.5 degrees so that the first air pressure communication chamber 113a communicates with the air leakage communication chamber 112, the gas in the gas cylinder connected to the first air pressure communication chamber 113a will be recovered through the air leakage. Port 115 flows into the third air pressure output port 116c, so that the released gas can be recycled and provided to the gas cylinder connected with the leaked gas recovery port 115, so that the gas supply device can reduce the pressure of its output efficiency and reduce its damage. probability. At this time, the second air pressure conversion chamber 121 communicates with the second air pressure communication chamber 113b to inflate gas to the air cylinder communicated with the second air pressure output port 116b. Further, when the cover 12 is rotated clockwise by 247.5 degrees so that the third air pressure conversion chamber 122 communicates with the second air pressure communication chamber 113b and the air leakage communication chamber 112, the gas cylinder connected to the second air pressure communication chamber 113b The gas in the leaked gas recovery port 115 will flow into the third air pressure output port 116c, so that the leaked gas can be recycled and provided to the gas cylinder connected with the leaked gas recovery port 115, which also has the function of reducing the supply pressure. The effect of pressure on the output efficiency of gas devices. At this time, the second air pressure conversion chamber 121 communicates with the first air pressure communication chamber 113a to inflate gas to the air cylinder communicated with the first air pressure output port 116a.

Further, when the cover 12 rotates clockwise, for example, 135 degrees (as shown in FIG. 9A ) or 315 degrees (as shown in FIG. 9B ), the second air pressure conversion chamber 121 communicates with the first air pressure communication chamber 113a or the second air pressure The communication cavity 113b is used to inflate the air to the gas cylinder communicated with the first air pressure output port 116a or communicated with the second air pressure output port 116b. Further, when the cover 12 rotates clockwise, for example, 135 degrees, the second air pressure conversion chamber 121 communicates with the first air pressure communication chamber 113a, and inflates the gas to the air cylinder communicated with the first air pressure output port 116a (at this time The second air pressure output port 116b is in a closed state). Further, when the cover 12 rotates clockwise, for example, 315 degrees, the second air pressure conversion chamber 121 communicates with the second air pressure communication chamber 113b, and inflates the gas to the air cylinder communicated with the second air pressure output port 116b (at this time The first air pressure output port 116a is in a closed state). It should be noted that the above rotation may also be counterclockwise rotation, which is not limited here.

Please refer to FIG. 10 to FIG. 12 , which are respectively a schematic view of the air pressure distributor, an exploded view of the air pressure distributor, and a schematic view of the main body 11 at different viewing angles according to the second embodiment of the present invention. The difference between the second embodiment of the present invention and the first embodiment is that the main body 11 of the air pressure distribution device 1 has four air pressure output ports 116, and the four air pressure output ports 116 are respectively connected with the corresponding three air pressure communication chambers 113 and the air leakage recovery. Port 115 is connected. The leaked air recovery port 115 is located on a side away from the four air pressure output ports 116 , and the cover 12 defines three pressure relief holes 123 a and three protrusions 124 a. Wherein, when the three-pressure communication chamber 113 communicates with the second pressure conversion chamber 121, and the air leakage detection chamber 117 communicates with one of the pressure relief through holes 123a, the gas in the gas cylinder will be released through the pressure relief through hole 123a, And through the air pressure sensor S to detect the deflation pressure at the same time as the deflation, to calculate the user's weight, also can automatically feedback and set the internal gas pressure after the inflator is inflated through the external control device; and the third air pressure conversion chamber 122 will When an air pressure communication cavity 113 communicates with the gas leakage communication cavity 112, the gas in the gas cylinder corresponding to the pressure communication cavity can be deflated to the gas cylinder connected to the gas leakage recovery port 115, thereby reducing the continuous supply of the gas supply device. The pressure of the gas caused by the output efficiency. It should be noted that, the relevant details and operating principles of the second embodiment can be compared with those of the first embodiment. The embodiments refer to correspondences or mutual explanations, that is, those skilled in the art can know the details and operating principles of the second embodiment after referring to the first embodiment, and details are not repeated here.

With the above structure, through the air pressure distributor provided by the present invention, the air mattress can achieve the effect of massage by cyclically inflating and deflated, and the deflated pressure can be detected by the air pressure sensor S at the same time to calculate the use The user's weight, and through the external control device to automatically feedback and set the internal gas pressure after the inflator is inflated, so that users of different weights can lie comfortably on the air mattress, and the gas is recovered to the air mattress through the air leakage communication chamber 112 The gas cylinder connected to the leaking gas recovery port 115 is used to reduce the pressure load generated by the continuous supply of gas from the gas supply device. Further, the second embodiment provides more air pressure outlets, so that the air mattress has more controllable massage areas.

However, the present invention has been disclosed above with preferred embodiments, but it is not intended to limit the present invention. Any person skilled in this art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the present invention The scope of protection shall be determined by the scope of the attached patent application.

To sum up, when it can make those who are familiar with this technology understand that the present invention can clearly achieve the above-mentioned purpose, it actually complies with the provisions of the Patent Law, so the application is filed according to the law.

1: Pneumatic shunt device

11: Subject

114, 114a, 114b: air pressure input port

116, 116a, 116b, 116c: air pressure outlet

119: Trigger switch rides on the bump

12: Cover body

123: pressure relief through hole

124: protruding part

2: Drive device

3: Trigger switch

Claims (9)

An air pressure distributor, comprising: an air pressure distribution device, which includes: a main body, which has a first air pressure conversion chamber, a gas leakage communication chamber, and a plurality of air pressure communication chambers, and the first air pressure conversion chamber is connected to at least one The air pressure input port is connected, the gas leakage communication cavity is connected with a gas leakage recovery port, and a plurality of air pressure output ports are respectively connected to the corresponding air pressure communication cavity and the gas leakage recovery port; and a cover, which is covered on the main body, And a second air pressure conversion chamber and a third air pressure conversion chamber are recessed on one side facing the main body, the second air pressure conversion chamber communicates with the first air pressure conversion chamber; and a driving device is connected to the air pressure shunt The device drives the cover to rotate, through the rotation of the cover, the second air pressure conversion chamber is connected to at least one of the air pressure communication chambers, and one of the air pressure communication chambers is connected to the leakage communication chamber through the third air pressure conversion chamber Wherein, when one of the air pressure communication chambers communicates with the air leakage communication chamber, the gas is leaked to the air leakage recovery port through the air pressure output port corresponding to the air pressure communication chamber; wherein, the air pressure input port is connected to the air pressure sensor, and the main body It also has an air leakage detection chamber, and the cover is provided with at least one pressure relief through hole. When the pressure relief through hole communicates with the air leakage detection chamber, the air pressure sensor detects the air leakage pressure. The air pressure distributor as described in claim 1, further comprising a trigger switch, the trigger switch has a switch element and a signal connector, at least one protrusion protrudes from the outer peripheral wall of the cover, and passes through the cover The rotation makes the protruding part touch the switch element, and transmits the trigger signal to the external control device through the signal connector. The air pressure distributor according to claim 2, wherein there are three protrusions. The air pressure distributor according to claim 2, wherein the main system of the air pressure distribution device is formed with a trigger switch carrying protrusion, and the trigger switch is arranged on the trigger switch carrying protrusion. The air pressure distributor as described in claim 2, wherein the driving device includes a signal connection terminal, a plurality of positioning pieces, and a buffer spring, the signal connection terminal is used to connect to the external control device, and the buffer The spring system is arranged between the driving device and the air pressure distribution device. The air pressure distributor according to Claim 1, wherein there are two air pressure input ports and three air pressure output ports. The air pressure distributor according to claim 1, wherein there are two air pressure input ports and four air pressure output ports. The air pressure distributor according to claim 1, wherein a through hole is formed in the main body, and a drive shaft of the driving device passes through the through hole and is pivotally connected to a shaft connection hole of the cover body. The air pressure distributor according to claim 8, wherein a pin is passed through the drive shaft, and the pin is used to fix the air pressure distribution device and the driving device.

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