KR20090066646A - Inflatable bed having a built-in electric air pump unit for inflating a mattress assembly - Google Patents

Abstract

An inflatable bed comprising an improved air pump unit is provided to inflate a mattress to a high speed and accurately increase air pressure inside the mattress to a desired pressure. An inflatable bed comprises a bedstead assembly, a mattress assembly, and an electric air pump unit(2). The mattress assembly has one or more air chambers. The electric air pump unit is connected to the bedstead assembly. The electric air pump unit includes a centrifugal pump unit(21), a first control valve(25), and a diaphragm pump unit(22). The centrifugal pump unit is fluid communicated with the air chambers of the mattress assembly to inflate the air chambers. The first control valve controls a fluid flow between the centrifugal pump unit and air chambers. The diaphragm pump unit is fluid communicated with the air chambers to inflate the air chambers. The electric air pump unit additionally includes a housing(20), a first transfer chamber(23), a second transfer chamber(24), a second control valve(26), a controller, a pressure sensor(27), and a sensor-connecting conduit(28).

Description

INFLATABLE BED HAVING A BUILT-IN ELECTRIC AIR PUMP UNIT FOR INFLATING A MATTRESS ASSEMBLY}

The present invention relates to an inflatable bed. More specifically, the present invention relates to an inflatable bed having a built-in electric air pump unit for inflating the mattress assembly.

Conventional inflatable beds include a built-in electric air pump to inflate the mattress of the inflatable bed. If the electric air pump is a centrifugal pump, the centrifugal pump can inflate the mattress at a faster rate, but cannot accurately increase the air pressure in the mattress to the desired pressure. On the contrary, when the electric air pump is a diaphragm pump, the diaphragm pump may inflate the mattress to accurately increase the air pressure in the mattress to a desired pressure, but there is a problem that its expansion speed is low.

It is an object of the present invention to provide an inflatable bed comprising an improved air pump unit capable of inflating the mattress at high speed and precisely increasing the air pressure in the mattress to the desired pressure.

In order to achieve the above object of the present invention, according to an aspect of the present invention, the inflatable bed is a bed frame assembly, a mattress assembly having at least one air chamber, and an electric air pump disposed on the bed frame assembly. Include. The air pump unit is a centrifugal pump device for performing an initial expansion of the air chamber, a diaphragm pump device for performing a subsequent expansion of the air chamber, and control to control the flow of fluid between the centrifugal pump device and the air chamber. It includes a valve.

In order to inflate the air chamber by the desired volume, the centrifugal pump device may be operated first and rapidly inflated until the air chamber is about 90% of the desired volume. The diaphragm pump device is then operated to precisely inflate the air chamber at a slow rate by the desired volume.

The air pump unit of the inflatable bed according to the present invention thus configured can inflate the mattress at high speed and precisely increase the air pressure in the mattress to the desired pressure.

Hereinafter, with reference to the accompanying drawings will be described embodiments of the present invention; The description of the embodiments of the present invention described below is merely illustrative, and does not in any way limit the invention or the application or use of the invention. In addition, the same or similar components are denoted by the same reference numerals.

1 and 2, the inflatable bed according to the first embodiments of the present invention is a mattress assembly 1, a cover unit, an electric air pump unit 2, a bedstead assembly 3 and A cushion unit consisting of two cushion members 6.

The mattress assembly 1 consists of two air interconnecting rectangular top sheets 11, rectangular bottom sheets 12, and top and bottom sheets 11, 12 arranged in parallel to block fluid flow between each other. Two surrounding sheets 13 defining the chambers E, and two reinforcing units 14 disposed in the air chambers E, respectively. When the air chambers E are sufficiently inflated, the air chambers E have the same shape and volume. In this case, the mattress assembly 1 comprises two mattresses 10 each comprising one of the surrounding sheets 13 and defining each one of the air chambers E. Each mattress 10 is used to support one person. The respective air chambers E are defined between the upper and lower sheets 11 and 12 and the corresponding surrounding sheet 13. Each of the reinforcing units 14 is arranged around a row of pull belts 141 and a row of belts 142 formed around the row of pull belts 141 and through which vents 143 are formed. Include. Each of the full belts 141 and the surrounding belts 142 is fixedly connected to the upper and lower sheets 11 and 12. Upper and lower sheets 11, 12, surrounding sheets 13, and reinforcing units 14 are housed in the cover unit. The cover unit includes an upper cover member 15, a lower cover member 16, and a surrounding member 17. The upper and lower cover members 15, 16 are interconnected by a zipper unit. The zipper unit is composed of upper and lower zipper portions 18, 18 ′ attached to the upper and lower cover members 15, 16, respectively, and detachably interconnected. The cushion members 6 are disposed between the upper cover member 15 and the upper seat 11. The bed frame assembly 3 comprises a rectangular bed frame body 31 and a cover 32 for covering the bed frame body 31. The surrounding member 17 has four sponge bars 171 forming a rectangular frame disposed in the cover unit between the upper and lower cover members 15 and 16, and the rectangular frame. Four corner positioning members 172 (only three are shown in FIG. 1) for supporting each of the four corners. Each of the corner positioning members 172 is disposed between the upper and lower cover members 15, 16, and an integral positioning post 173 is formed. The engagement location column 173 is inserted into a hole (not shown) of the corresponding sponge bar 171. Referring again to FIG. 2, in the present embodiments, each of the corner position members 172 moves upward from two adjacent sides of the horizontal rectangular lower plate portion 174 and the lower plate portion 174. An extended L-shaped plate portion 175 is included. Each of the engagement location pillars 173 extends upwardly from the bottom plate portion 174 of the corresponding corner location member 172. The lower cover member 16, the bed frame body 31, and the cover 32 have alignment holes 161, 311, and 323 formed therethrough, respectively. The electric air pump unit 2 is accommodated in the holes 161, 311, 323 of the lower cover member 16, the bed frame body 31 and the cover 32, and the fluid flow in one of the air chambers E. This is arranged to be possible and is in fluid communication with another air chamber E via an air tube 4 (see FIG. 3).

Referring to FIG. 4, the bed frame assembly 3 includes a bed frame body 31 and a cover 32 made of fabric for covering the bed frame body 31. The cover 32 is a rectangular top sheet 321 disposed above and on the bed frame body 31, and a surround extending downward from the periphery of the top sheet 321 and disposed around the bed frame body 31. Sheet 322.

Referring to FIG. 5, the bed frame body 31 is composed of a rigid support frame 33 and six coplanar top plates 34 disposed above and on the support frame 33 and made of plastic material. It includes a unit. One of the upper plates 34 is formed with a hole 311 formed therethrough. Two adjacent top plates 34 are mutually coupled to each other so as to be detachable by two tongue and groove engagement units 35.

Referring first to FIG. 9, the support frame 33 includes a pair of rectangular first and second fold frame members 330 that can be adapted between the unfolded state of FIG. 5 and the folded state of FIG. 9. Each of the first and second folding frame members 330 includes four parallel non-folding plates 331 and three pairs of folding plates 332. Two adjacent non-folding plates 331 are rotatably coupled to a corresponding pair of foldable plates 332 so that the first and second foldable frame members 330 are in an unfolded state. 333). In this case, the empty spaces 333 of each of the first and second folding frame members 330 are arranged in a line along a direction orthogonal to the non-folding plates 331. Top plates 34 cover the empty spaces 333, respectively. Each foldable plate 332 includes two rotating plate portions 334 having outer ends rotatably connected to corresponding non-folded plates 331 and inner ends rotatably interconnected, respectively. . In the unfolded state, the rotating plate portions 334 of the folded plates 332 are orthogonal to the non-folded plates 331. In the folded state, the rotating plate portions 334 of the folded plates 332 are parallel to the non-folded plates 331.

6 and 8, each fold plate 332 includes a location unit and a location protrusion 336. The position unit has a position hole 335 formed in one of the rotating plate portions 334 of the corresponding folding plate 332. The position protrusion 336 protrudes from the other one of the rotating plate portions 334 of the corresponding foldable plate 332, and when the corresponding one of the first and second foldable frame members 330 is in an unfolded state. Coupling with the position hole 335. Each of the rotating plate portions 334 is rotatably connected to one end of the corresponding non-folding plate 331, and the rotating plate portions 334 of each of the folding plates 332 are interconnected, FIGS. As shown in FIG. 8, each of the rotating plate portions 334 faces the other end of the corresponding non-folding plate 331 when the corresponding first and second folding frame members 330 are in the unfolded state. It can only be rotated in the direction. When the first and second folding frame members 330 are fully folded, the rotating plate portions 334 of the respective folding plates 332 are adjacent to each other, and between the corresponding non-folding plates 331. It is placed in the form of a sandwich. In this state, the position protrusions 336 are respectively spaced apart from the position holes 335, as shown in FIG. 10.

Referring back to FIG. 9, the first fold frame member 330 has an end rotatably connected to the end of the second fold frame member 330 by four pivot units. The pivot units are disposed at adjacent ends of the first and second fold frame members 330 and adjacent to the aligned top surfaces of the first and second fold frame members 330. Each of the pivot units is disposed on the other of two side sleeves 337, the first and second fold frame members 330, which are disposed on one of the first and second fold frame members 330. Center sleeves 338 disposed between the side sleeves 337, and a pivot pin 339 extending through the side sleeves 337 and the central sleeve 338. In this case, one of the fold frame members 330 is able to rotate about the pivot pins 339 so as to be in contact with the other upper surface of the first and second fold frame members 330, thereby transferring And convenience in storage.

Alternatively, the bed frame body 31 may include only one folding frame member 330, and the folding frame member 330 interconnects the non-folding plates 331 to define only one empty space. It may include only two non-folded plates 331 and two folded plates 332.

Referring to FIG. 11, the second embodiments of the present invention include components similar to those of the first embodiments. In the second embodiments of the invention, the first modified mattress assembly 1 ′ comprises a top sheet 11, a bottom sheet 12, two surrounding sheets (not shown), and two reinforcements. Units (not shown). The upper and lower sheets 11 and 12, in combination with the surrounding sheets, define a large air chamber E 'and a small air chamber E "from which the flow of fluid between them is interrupted. The volume of the large air chamber E 'is greater than the volume of the small air chamber E ".

The reinforcement units are respectively disposed in the large air chamber E 'and the small air chamber E ". The surrounding sheets are respectively disposed around the reinforcement units. In this case, the mattress assembly 1' ) Will have a large mattress 10 and a small mattress 10 'Each of the large mattress 10 and the small mattress 10' each comprise one of the surrounding sheets and a large air chamber E ') And each of the small air chambers E ". Large mattress 10 and small mattress 10 'are used to support a person's body and head, respectively.

Referring to FIG. 12, in embodiments of the present invention, the electric air pump unit 2 may include a housing 20, a centrifugal pump device 21 disposed in the housing 20, and a solenoid disposed in the housing 20. A first transfer chamber 23 formed in the solenoid-operated diaphragm pump device 22 and the housing 20 and capable of fluid flow with the centrifugal pump device 21, the housing 20 and a first transfer. A second transfer chamber 24 capable of fluid flow with the chamber 23, the first control valve being in the closed position and movable to an open position for fluid flow between the first and second transfer chambers 23, 24 ( 25, each of which is in a closed position and is movable in an open position for fluid flow between each of the second and second air chambers 24 and the large and small air chambers E ', E "of the mattress assembly 1'. Pressure to enable fluid flow with the second transfer chamber 24 through the two control valves 26 and the sensor-connected conduits 28. A sensor (27).

The centrifugal pump apparatus 21 provides a smaller propulsion force for the air to flow at a higher flow rate, while the diaphragm pump apparatus 22 provides a greater propulsion force for the air to flow at a slower flow rate. In order to enhance the efficiency of the electric air pump unit 2 which sufficiently inflates the selected one of the large and small air chambers E ', E ", the selected one of the large and small air chambers E', E". The centrifugal pump apparatus 21 is operated first until is expanded to about 90% of the maximum expansion volume. Thereafter, the diaphragm pump device 22 is operated to sufficiently expand the selected one of the large and small air chambers E 'and E ". That is, the centrifugal pump device 21 and the diaphragm pump device 22 Each performs initial and subsequent inflation of the mattress assembly 1 '. Accordingly, the air pump unit 2 expands at high speed one of the selected ones of the large and small air chambers E' and E "at a high pressure. It can be inflated precisely with the same pressure. In this way, the object of the present invention can be achieved.

In order to expand the selected one of the large and small air chambers E ', E ", the centrifugal pump apparatus 21 is operated and the first control valve 25 and the corresponding second control valve 26 are operated. The air is then sucked into the centrifugal pump apparatus 21 and then selected one of the large and small air chambers E ', E "through the first and second transfer chambers 23, 24. Forced into the chamber. When the pressure in the second transfer chamber 24 measured by the pressure sensor 27 reaches a first set pressure value (eg 420 mmHG), the pressure sensor 27 signals the wire 7. To the controller 5 (see FIG. 15). Once the controller 5 has received the signal, the controller 5 stops the centrifugal pump device 21, closes the first control valve 25, and the second transfer measured by the pressure sensor 27. The diaphragm pump device 22 is operated until the pressure of the chamber 24 has reached a second set pressure value for sufficient expansion of the selected one of the large and small air chambers E ', E ".

13 and 14, the diaphragm pump device 22 includes a valve rod fixedly connected to a valve seat 220, a diaphragm valve 222, and a diaphragm valve 222 having a valve hole 221 ( 223, a coil compression spring 223 ′ for closing the valve hole 221 of the valve seat 220, and a drive unit for moving the valve rod 223. The drive unit is rotatable about the valve seat 220 and has a cam member 224 having a cam surface 225 and a sector gear portion 226, a rotatable portion about the central axis and a sector gear portion 226. And a drive rod 227 having a threaded portion 227 ′, a motor 228 having a motor shaft 228 ′, and a motor shaft 228 by interconnecting the motor shaft 228 ′ and the drive rod 227. And a transmission unit 229 for transmitting the rotation of ') to the drive rod 227. One end of the valve rod 223 is in contact with the cam surface 225 of the cam member 224 by a compression spring 223 '. The drive rod 227 and the motor shaft 228 ′ are mounted on the mounting wall 20 ′ of the housing 20. The shifting unit includes a drive pulley 229 fixed with a sleeve on the motor shaft 228 ', a shift pulley 229' fixed with a sleeve on the drive rod 227, and a drive pulley 229 and a shift pulley ( 229 ′, including a shift belt 229 ″ connected thereto.

Referring to FIG. 15, the controller 5 includes a display 51, a head key 52, a body key 53, a confirmation key 54, and a micro-adjustment expansion. adjustment inflation key 55, micro-adjustment deflation key 55 ', main inflation key 56, main deflation key 57, memory A key 58 and a lock key 59. The operations of the keys 52, 53, 54, 55, 55 ', 56, 57, 58, 59 are summarized in FIGS. 16-20. The controller 5 is used to control the operation of the centrifugal pump apparatus 21, the diaphragm pump apparatus 22, and the first and second control valves 25, 26.

To inflate the mattress 1, first press the main inflation key 56 to operate the centrifugal pump device 21 to open the large air chamber E 'and the small air chamber E ". Inflate to the first set pressure value Next, the selected one of the head key 52 and the body key 53 is pressed, and the confirmation key 54 is pressed in succession to the large mattress 10 and the small mattress 10 '. Selects the selected degree of inflation, during operation of the confirmation key 54, pressing the confirmation key 54 once causes the word " FIRM " to appear on the display 51 and pressing the confirmation key 54 twice. The word "MEDIUM" appears in the display 51 and the word "PLUSH" appears in the display 51 when the confirmation key 54 is pressed three times, after which the fine-tuning expansion key 55 Or by operating the diaphragm pump device 22 by pressing the fine-adjusting retraction key 55 ' Fine adjustment of the pressure of the selected one of the mattresses 10 'If "FIRM" is selected during the operation of the confirmation key 54, the selected one of the large and small air chambers E', E "is sufficiently inflated. You can.

When inflating one mattress selected from the large mattress 10 and the small mattress 10 ', the first control valve 25 is pressed by pressing the corresponding one of the head key 52 and the body key 53. ) And the second control valve 25 is opened to select from the mattress 10 and the small mattress 10 'from the housing 20 via the first control valve 25 and the centrifugal pump device 21. Air is injected into one mattress.

In order to increase the degree of inflation of one mattress selected from the large mattress 10 and the small mattress 10 ', the corresponding one of the head key 52 and the body key 53 is pressed and fine. -The adjusting shrinkage key 55 'is activated. When the fine-adjusted retraction key 55 'is pressed, the first control valve 25 and the corresponding second control valve 26 are opened to select one of the large mattress 10 and the small mattress 10'. The air comes out of the mattress. When the button of the fine-adjusted retraction key 55 'is released, the first control valve 25 and the corresponding second control valve 26 are closed.

When the first set pressure value is to be changed, the memory key 58 is operated.

The control panel 5 can be locked and unlocked by pressing the lock key 59. In the locked state, even if any of the remaining keys 52, 53, 54, 55, 55 ', 56, 57, 58 are pressed (e.g., unintentionally), no operation is performed and the mattress assembly ( 1) maintains the current state.

21 shows a modified air pump unit 2 '. The air pump unit 2 'is characterized in that the pressure sensor 27 has a large mattress 10 and a small mattress, respectively, through two mattress-connecting conduits 28' (only one conduit is shown in the figure). 10 '), similar components are included, except that fluid flow with 10') is possible. In this case, the pressures of the large mattress 10 and the small mattress 10 'can be measured accurately.

Referring to Fig. 22, the third embodiments of the present invention include similar components as the second embodiments. In third embodiments, the second modified mattress assembly 1 "includes four surrounding sheets (not shown) and four reinforcing units (not shown), and the control panel is a head A pair of left and right head keys (not shown) for replacing the key 52 (see FIG. 15), and a pair of left and right body keys (not shown) for replacing the body key 53 (see FIG. 15). The upper and lower sheets 11 and 12 are combined with the surrounding sheets to form two large air chambers E 'arranged in parallel and two small air chambers arranged in parallel. E "). The large air chambers E 'and the small air chambers E "are arranged in the form of a mattress. The reinforcement units are disposed in the large air chambers E' and the small air chambers E", respectively. The surrounding sheets are respectively arranged around the reinforcement units. In this case, the mattress assembly 1 "will have two large mattresses 10 and two small mattresses 10 '. Each large mattress 10 and small mattresses 10'. ) Includes one of each of the surrounding sheets, and defines one of each of the larger air chambers E 'and the smaller air chambers E ". Each aligned pair of large mattresses 10 and small mattresses 10 'are used to support a person's body and head, respectively. In other words, the mattress assembly 1 "may support two people.

In the present embodiments, referring to FIG. 23, the mattress assembly 1 ″ has a fluid flow with each of the large and small air chambers E ′ and E ″ (three air chambers are shown in the figure). Possible air conduits A (three conduits are shown in the figure). Each air conduit A has a threaded connection end A 'therein. The electric air pump unit 2 comprises four threaded connecting members B externally threaded respectively with the connecting end A 'of the air conduits A of the mattress assembly 1 ". The electrical socket unit C is arranged on the side wall 30 of the bed frame assembly 3. The electrical wiring unit W is electrically interconnected with the electrical socket unit C and the electric air pump unit 2. do.

24 and 25, fourth embodiments of the present invention include components similar to those of the first embodiments. In the fourth embodiments, the second modified mattress assembly 1A is interconnected with the upper seat 11, the lower seat 12, the upper and lower seats 11, 12 to open the air chamber E. And a reinforcing unit 14 consisting of a plurality of pull belts 141 and a surrounding belt 142. In the present embodiments, the mattress assembly 1A is formed with one air chamber E, and the second transfer chamber 24 (see FIG. 12) enables direct fluid flow with the air chamber E. The second control valves 26 are omitted from the configuration of the electric air pump unit 2.

In order to expand the air chamber E to the desired volume, the centrifugal pump device 21 (see FIG. 12) is operated until the air chamber E is expanded at a faster rate up to about 90% of the desired volume. . Thereafter, the diaphragm pump device 22 (see FIG. 12) is operated to precisely inflate the air chamber E to the desired volume at a slower rate.

An inflatable bed according to embodiments of the present invention includes a bed frame assembly, a mattress assembly having at least one air chamber, and an electric air pump disposed on the bed frame assembly. The air pump unit is a centrifugal pump device for performing an initial expansion of the air chamber, a diaphragm pump device for performing a subsequent expansion of the air chamber, and control to control the flow of fluid between the centrifugal pump device and the air chamber. It includes a valve.

In order to inflate the air chamber by the desired volume, the centrifugal pump device may be operated first and rapidly inflated until the air chamber is about 90% of the desired volume. The diaphragm pump device is then operated to precisely inflate the air chamber at a slow rate by the desired volume.

Thus, the inflatable pump air pump unit can expand the mattress at high speed and precisely increase the air pressure in the mattress to the desired pressure.

Although described above with reference to the embodiments of the present invention, those skilled in the art various modifications and changes to the present invention without departing from the spirit and scope of the invention described in the claims below I can understand that you can.

1 is an exploded perspective view showing an inflatable bed with the electric air pump removed according to the first embodiment of the present invention.

2 is a perspective view showing a corner position member of the inflatable bed according to the first embodiment of the present invention.

3 is an assembled perspective view showing the mattress assembly and the electric air pump unit according to the first embodiment of the present invention.

4 is a partially exploded perspective view showing the bed frame assembly according to the first embodiment of the present invention.

5 is a perspective view showing a support frame of the bed frame assembly according to the first embodiment of the present invention in an unfolded state.

6 is a partial perspective view showing a folding plate of the folding frame member of the support frame according to the first embodiment of the present invention in the unfolded state.

Fig. 7 is a diagram showing a folding frame member according to the first embodiment of the present invention in a half-folded state.

8 is a partial perspective view showing a folding plate according to the first embodiment of the present invention in a semi-folded state.

9 is a partially exploded perspective view showing the support frame according to the first embodiment of the present invention in a fully folded state.

10 is a partial perspective view showing the folding plate according to the first embodiment of the present invention in a fully folded state.

11 is an assembled perspective view showing the mattress assembly according to the second embodiment of the present invention.

12 is an assembled perspective view showing the electric air pump unit according to the second embodiment of the present invention.

FIG. 13 is a partial cross-sectional view showing the diaphragm valve of the solenoid operated diaphragm device of the electric air pump unit according to the second embodiment of the present invention in an open state.

14 is a partial cross-sectional view showing a state in which the diaphragm valve of FIG. 15 is closed.

15 is a schematic diagram showing a controller according to a second embodiment of the present invention.

FIG. 16 is a flowchart showing operations of the second embodiment of the present invention according to pressing the head key, the body key, the confirmation key, the fine-tuning expansion key, and the fine-tuning contraction key of the controller, respectively.

17 is a flowchart showing the operation of the second embodiment of the present invention according to the pressing of the main inflation key.

18 is a flowchart showing the operation of the second embodiment of the present invention as the contraction key is pressed.

19 is a flowchart showing the operation of the second embodiment of the present invention according to the pressing of the memory key.

20 is a flowchart showing the operation of the second embodiment of the present invention as the lock key is pressed.

21 is a schematic diagram showing a modified electric air pump unit.

Fig. 22 is an assembled perspective view showing the mattress assembly and the electric air pump unit of the inflatable bed according to the third embodiment of the present invention.

Fig. 23 is a schematic diagram showing the relationship between the mattress assembly and the electric air pump unit according to the third embodiment of the present invention.

24 is an exploded perspective view showing the mattress assembly of the inflatable bed according to the fourth embodiment of the present invention.

25 is an assembled perspective view showing the mattress assembly and the air pump unit according to the fourth embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

1, 1 ', 1 ", 1A: Mattress Assembly

2, 2 ': electric air pump unit

3: bed frame assembly 5: controller

6: cushion member 7: wire

10, 10 ': Mattress 11: Top sheet 12: Bottom sheet

13: surround sheet 14: reinforcing unit

15: upper cover member 16: lower cover member

17: surround member

18, 18 ': upper and lower zippers

20 housing 21 centrifugal pump device

22 diaphragm pump device 23 first transfer chamber

24: second transfer chamber 25: first control valve

26: second control valve 27: pressure sensor

28, 28 ': conduit for sensor connection 30: side wall

31: bed frame body 32: cover

33 support frame 34 upper plate

35: uneven coupling unit 51: display

52: Head Key 53: Body Key

54: OK Key 55: Fine-Adjustment Inflation Key

55 ': fine-adjusted shrinkage key 56: main inflation key

57: main shrink key 58: memory key

59: lock key 141: full belt

142: surrounding belt 171: sponge bar

172: corner position member 173: coupling position column

174: lower plate portion 175: L-shaped plate portion

161, 311, 323: alignment hole 221: valve hole

222: diaphragm valve 223: valve rod

223 ': coil compression spring 224: cam member

225: cam surface 226: gear portion

227: drive rod 227 ': threaded portion

228: Motor 228 ': Motor Shaft

229: driving pulley 229 ': variable speed pulley

229 ": Shifting belt 322: Surrounding seat

330: first and second folding frame member 331: non-folding plate

332: folding plate 333: empty space

334: rotating plate portion 335: position hole

336: position protrusion 337: side sleeve

338: center sleeve 339: pivot pin

Claims (40)

Bed frame assembly 3; Mattress assemblies 1, 1 ′, 1 ″, 1A having at least one air chamber E, E ′, E ″; And An electric air pump unit 2, 2 ′ connected with the bed frame assembly 3, The electric air pump units 2 ', 2 " Centrifugal pumps capable of fluid flow with the air chambers E, E ', E "of the mattress assemblies 1, 1', 1", 1A to expand the air chambers E, E ', E ". Device 21; A first control valve 25 for regulating the flow of fluid between the centrifugal pump device 21 and the air chambers E, E ', E "; and And an diaphragm pump device (21) capable of fluid flow with said air chamber (E, E ', E ") to expand said air chamber (E, E', E"). 2. The air pump unit (2, 2 ') further comprises a housing (20) for receiving the centrifugal pump device (21) and the diaphragm pump device (22) therein. Inflatable bed. 3. The mattress assembly (1, 1 ', 1 ") is formed with two air chambers (E, E', E") in which fluid flow is blocked from each other. The air pump units 2, 2 ' A first transfer chamber (23) formed in the housing (20) and capable of fluid flow with the centrifugal pump device (21); A second transfer chamber 24 formed in the housing 20 and capable of fluid flow between the first transfer chamber 23 and the air chambers E, E ', and E ″; and Further comprising two second control valves 26 each capable of intermitting a fluid flow between each one of said air chambers E, E ', E ", and said second transfer chamber 24, The first control valve (25) is characterized in that it regulates the fluid flow between the first and second transfer chambers (23, 24). 4. The air pump unit (2, 2 ') according to claim 3, wherein the air pump unit (2, 2') operates the centrifugal pump device (21), the diaphragm pump device (22), and the first and second control valves (25, 26). An inflatable bed further comprising a controller (5) for controlling. 4. The air pump unit (2, 2 ') of claim 3 further comprises a pressure sensor (27) and a sensor-connecting conduit (28), said pressure sensor (27) having said second transfer chamber (24). Inflatable bed, characterized in that fluid flow with the second transfer chamber (24) is possible through the sensor-connected conduit (28) for measuring pressure. 2. The air pump unit (2 ') further comprises a pressure sensor (27) and a sensor-connected conduit (28'), wherein the pressure sensor (27) comprises the sensor-connected conduit (28). ') Enabling fluid flow with the air chambers (E, E', E ") through '). The diaphragm pump device 22 according to claim 1, wherein A valve seat 220 in which a valve hole 221 is formed; Diaphragm valve 222; A valve rod 223 fixedly connected to the diaphragm valve 222; A coil extrusion spring (223 ') in which the diaphragm valve (222) is installed to close the valve hole (221) of the valve seat (220); And And a drive unit for moving the valve rod (223). The method of claim 7, wherein the drive unit A cam member 224 rotatable relative to the valve seat 220 and having a cam surface 225 and a sector gear portion 226; A drive rod 227 rotatable about a central axis and having a screw portion 227 'engaging with the sector gear portion; A motor 228 having a motor shaft 228 '; And A transmission unit interconnecting the drive shaft 228 'and the drive rod 227 to transmit rotation of the motor shaft 228' to the drive rod 227, wherein the compression spring 223 ' An end of the valve rod (223) deflected by the contact with the cam surface (225) of the cam member (224). The method of claim 8, wherein the shift unit A drive pulley 229 fixed with a sleeve on the motor shaft 228 '; A shift pulley 229 'fixed to the sleeve on the drive rod 227; And And an shifting belt (229 ") connected on said drive pulley (229) and shifting pulley (229 '). 2. The mattress assembly (1 ") according to claim 1, wherein the mattress assembly (1") is in fluid flow with a plurality of said air chambers (E, E ', E ") and said respective air chambers (E, E', E"). It is possible and comprises a plurality of air conduits A each having a connecting end A ', The electric air pump unit 2 is characterized in that it comprises a plurality of connecting members B each screwed with the connecting ends A 'of the air conduits A of the mattress assembly 1 ". Inflatable bed made. 11. An electric socket unit (C) according to claim 10, wherein said bed frame assembly (3) comprises a side wall (30), said inflatable bed being disposed on said side wall (30), and said electric socket unit (C). And an electrical wiring unit (W) for electrically interconnecting the electric air pump unit (2). 2. The inflatable bed according to claim 1, wherein the mattress assembly (1, 1 ', 1 ", 1A) is arranged above and on the bed frame assembly (3). 2. An inflatable bed according to claim 1, characterized in that the electric air pump unit (2, 2 ′) is arranged on the bed frame assembly (3). Mattress assemblies 1, 1 ′, 1 ″, 1A having at least one air chamber E, E ′, E ″; And An inflatable bed comprising an electric air pump unit (2, 2 ') at least partially disposed in the bed frame assembly (3) for expanding the air chamber (E, E', E "). 15. The inflatable bed according to claim 14, wherein the air pump unit (2, 2 ') is partly arranged in the mattress assembly (1, 1', 1 ", 1A). 15. The inflatable bed according to claim 14, wherein the air pump unit is a diaphragm pump device (22). Bed frame assembly 3; Mattress assemblies (1, 1 ', 1 ", 1A) disposed on and above said bed frame assembly (3) and having at least one air chamber (E, E', E"); And An inflatable air pump unit 2, 2 ′ comprising at least partly disposed in a mattress assembly 1, 1 ′, 1 ″, 1 A to expand the air chambers E, E ′, E ″. bed. Bed frame assembly 3; The upper sheet 11, the lower sheet 12 disposed below the upper sheet 11, and the upper and lower sheets 11 and 12 are disposed on and above the bed frame assembly 3. A mattress assembly (1) having a plurality of surrounding sheets (13) connected to form a plurality of air chambers (E, E ', E ") that are in fluid communication with each other; and At least partly disposed within the bed frame assembly 3 and including an electric air pump unit 2, 2 ′ capable of fluid flow with the air chambers E, E ′, E ″, Each of the air chambers E, E ', E "is defined between a surrounding sheet of each of the upper sheet 11, the lower sheet 12, and the surrounding sheets 13; , The electric air pump unit 2, 2 ′ inflates the air chambers E, E ′, E ″ separately so that the pressures in the air chambers E, E ′, E ″ are different. Inflatable bed made. 19. The mattress assembly (1) according to claim 18, wherein the mattress assembly (1) further comprises a plurality of reinforcement units (14) disposed in the air chambers (E, E ', E "), respectively. 14) An inflatable bed, characterized in that it comprises a row of pull belts (141) fixedly connected to the upper and lower sheets (11, 12), respectively. 20. The system of claim 19, wherein each of the reinforcing units 14 further includes a surrounding belt 142 disposed around the corresponding pull belts 141 in a corresponding row. An inflatable bed having a plurality of vents (143) formed therethrough and fixedly connected to the upper and lower sheets (11, 12). 19. The cover unit according to claim 18, wherein the mattress assembly (1) has a cover unit for receiving the upper and lower sheets (11, 12), the surrounding sheets (13), and the reinforcing members (14) therein. The cover unit further includes a top cover member 15, a lower cover member 16, and a zipper unit for interconnecting the upper and lower cover members 15 and 16, wherein the zipper The unit is characterized in that it comprises upper and lower zipper portions (18, 18 ') attached and detachably interconnected to the upper and lower cover members (15, 16), respectively. 22. The apparatus of claim 21, wherein the cover unit further comprises a surrounding member 17 disposed between the upper and lower cover members 15, 16, The surrounding member 17 has four sponge bars 171 arranged to form a rectangular frame, and the upper and lower cover members for supporting four corners of the rectangular frame, respectively. Four corner positioning members 172 disposed between 15 and 16, In each of the corner positioning members 172 is formed an integral positioning post 173 inserted into one of the corresponding sponge bars 171 such that the two adjacent sponge bars 171 are adjacent to each other. An inflatable bed, characterized in that it is positioned relative to. 23. The L-shaped plate portion of claim 22, wherein each of the corner positioning members 172 extends upward from a horizontal rectangular bottom plate portion 174 and two adjacent sides of the bottom plate portion 174. 175, wherein each of the location pillars 173 extends upwardly from the bottom plate portion 174 of the corresponding one of the location members 172. bed. The bed frame assembly (3) according to claim 21, wherein the bed frame assembly (3) comprises a bed frame body (31) and a cover (32) for covering the bed frame body (31), and the lower cover member (16) of the cover unit. ) And the bed frame body 31 and the cover 32 of the bed frame assembly 3 are formed through the alignment holes (161, 311, 323), respectively, the electric air pump unit (2, 2 ') An inflatable bed, characterized in that it is housed in a lower cover member (16), the bed frame body (31) and the cover (32). 19. The inflatable bed according to claim 18, wherein the mattress assembly 1 is formed with two air chambers E, the air chambers E having the same shape and volume when fully inflated. . 19. The mattress assembly (1) according to claim 18, wherein two air chambers (E, E ') are formed in the mattress assembly (1), and the air chambers (E, E') have different volumes when fully inflated. Inflatable bed made. 19. The air conditioner according to claim 18, wherein four air chambers (E, E ', E ") are formed in the mattress assembly (1), and two of the air chambers (E, E', E") A first volume when disposed in parallel and fully inflated, and the other two air chambers of the air chambers E, E ', E "are less than the first volume when placed in parallel and fully inflated An inflatable bed having two volumes, wherein said air chambers (E, E ', E ") are arranged in the form of a mattress. A plurality of air conduits (A) according to claim 18, wherein the mattress assembly (1) is each capable of fluid flow with the air chambers (E ', E ") and each has a connecting end (A'). Including, The electric air pump unit 2, 2 ′ comprises a plurality of connecting members B each screwed with the connecting ends A ′ of the air conduits A of the mattress assembly 1 ″. Inflatable bed characterized in that. 29. An electrical socket unit (C) according to claim 28, wherein said bed frame assembly (3) comprises a side wall (30), said inflatable bed disposed on said side wall (30), and said electrical socket unit (C). And an electrical wiring unit (W) for electrically interconnecting the electric air pump unit (2). In the bed frame assembly (3) comprising a rigid support frame (33) and an upper plate unit disposed above and on the support frame (33), The support frame 33 includes a first foldable frame member 330 that can be modified between an unfolded state and a folded state, wherein the first foldable frame member 330 includes a plurality of parallel non-folding plates 331 and A plurality of pairs of foldable plates 332, wherein the two adjacent non-folded plates 331 are corresponding pairs of folds when the first foldable frame members 330 are in an unfolded state. The plates 332 are rotatably coupled to define an empty space 333, Each of the foldable plates 332 has two rotating plate portions 334 having outer ends rotatably connected to the corresponding non-folding plates 331, and inner ends rotatably interconnected, respectively. The rotating plate parts 334 are orthogonal to the non-folding plates 331 when the supporting frame 33 is unfolded, and the rotating plate parts 334 when the supporting frame 33 is folded. ) Is a frame assembly (3), characterized in that parallel to the non-folded plates (331). 31. The bed frame assembly (3) according to claim 30, wherein the upper plate unit covers the empty spaces (333) of the first foldable frame member (330). 32. The top plate unit according to claim 31, characterized in that the top plate unit comprises a plurality of coplanar top plates 35 each covering and removably covering the empty spaces 333 of the support frame 33. Bed frame assembly (3). 31. The bed frame assembly according to claim 30, further comprising a cover (32) made of fabric for covering the support frame (33) and the top plate unit. 34. The cover 32 according to claim 33, wherein the cover 32 extends downwardly from the periphery of the rectangular upper sheet 321 disposed above and above the upper plate unit, and the upper sheet 321 and the support frame 33. Bedside assembly, characterized in that it comprises a surround sheet 322 disposed along the periphery of the assembly of the upper plate unit. 31. The position hole 335 of claim 30, wherein each of the folding plates 332 is formed in one of the rotating plate portions 334 of one of the folding plates 332. And a position protrusion 336 protruding from the other of the rotating plate portions 334 of the corresponding one foldable plate 332 of the foldable plates 332, The location protrusion 336 is engaged with the location hole 335 to support the first folding frame member 330 when the first folding frame member 330 is in an unfolded state, and the first folding frame Bed frame assembly, characterized in that spaced apart from the position hole when the member (330) in the folded state. 31. The method of claim 30, wherein each of the rotating plate portion 334 is rotatably connected to one end of the corresponding one of the non-folding plate 331 of the non-folding plate 331, the respective folding plate The rotating plate portions 334 of the field 332 are each end portion of the corresponding non-folding plate 331 when the first folding frame member 330 is in the unfolded state. Bedside assembly, characterized in that interconnected so as to be rotatable only in the direction toward. The second fold frame member 330 of claim 30, wherein the second fold frame member 330 has at least one pivot unit and one end rotatably connected to one end of the first fold frame member 330 by the pivot units. More, The first and second fold frame members 330 have aligned top surfaces, respectively, and the pivot unit is disposed adjacent to the top surfaces to form one of the first and second fold frame members 330. Bed frame assembly, characterized in that one is in contact with the upper surface of the other of the first and second folding frame members (330) to be rotatable. 38. The system of claim 37 wherein the pivot unit includes two side sleeves 337 and one of the first and second fold frame members 330 disposed on one of the first and second fold frame members 330. The first including a central sleeve 338 disposed in the other one of the side sleeves 337 and a pivot pin 339 extending through the side sleeves 337 and the central sleeve 338. And second folding frame members (330) are rotatable with respect to the pivot pin (339). 31. The bed frame according to claim 30, wherein the empty spaces 333 of the first folding frame member 330 are arranged in a line along a direction generally orthogonal to the non-folding plates 331. assembly. In the bed frame assembly (3) comprising a rigid support frame (33), an upper plate unit disposed above and on the support frame (33), The electric air pump units 2, 2 'are at least partially disposed inside the bed frame assembly 2, The support frame 33 may be adapted between an unfolded state and a folded state, and the rigid support frame 33 may rotate two parallel non-folding plates 331 and the non-folding plates 331. Interconnecting two folding plates 332 which define an empty space 333 when the support frame 33 is in the unfolded state, wherein each of the folding plates 332 is the non-folding plates. Two rotating plate portions 334 having outer ends rotatably connected to 331 and rotatably interconnecting inner ends, respectively, when the support frame 33 is in an unfolded state; Rotating plate portions 334 are generally orthogonal to the non-folding plates 331, and when the support frame 33 is in the folded state, the rotating plate portions 334 are not in the non-folding state. The bed frame assembly, characterized in that the generally parallel to the iron plate 331 (3).

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