TWI620555B - Portable folding wheelchair - Google Patents

Abstract

A portable folding wheelchair has a discharge port in the middle of the seat cushion; a note device is disposed on the bottom surface of the seat cushion, and includes: two shutters each having a cushion on the upper surface thereof, and the two shutters are combined The two cushions are protruded in parallel in the discharge port; the two brake members are disposed on opposite sides and sides of the two shutters in opposite directions, and the two shutters are closed and discharged by pulling or pushing the brake member. The mouth or opening is opened to allow the discharge opening to be used for a note; a receiving bag is hung on the bottom edge of the inner side of the two shutters, and the opening is simultaneously opened as the two shutters are opened downward to receive the excrement. Take this. Those who are inconvenienced can take care of the wheelchair directly, so that the patient can wash and clean the patient without having to go up and down the wheelchair, so that the patient has dignity and convenience.

Description

Portable folding wheelchair

The present invention relates to a wheelchair, and more particularly to a portable folding wheelchair that allows people with reduced mobility to perform urination directly in a wheelchair.

According to the age of the aging population, wheelchairs must be used for mobility inconvenience, so various types of wheelchairs have been developed on the market to meet different needs.

1 is an appearance view of a wheelchair 10 which is commonly used; the foldable wheelchair 10 is substantially between two symmetrical skeletons 11 based on considerations of convenient carrying and space storage. An X-shaped folding frame 12 is pivoted, and a main wheel 13 is respectively disposed on each side of the frame 12, and a driven wheel 14 is disposed at the front bottom of the frame 11, and a horizontal level is disposed between the two frames 11 The pad 15 is provided with a seat back bar 16 at the upper rear of the frame 11. The top of the seat back bar 16 is provided with a grip 17, and a seat back pad 18 can be placed between the two seat back bars 16, and the wheelchair must be long-distance. When transporting or accommodating, the folding structure of the folding frame of the wheelchair can be utilized to reduce the distance between the two skeletons, so as to reduce the volume of the entire wheelchair and facilitate transportation. However, if the person with reduced mobility wants to urinate, the wheelchair 10 must be pushed to the toilet to allow for urination. Moreover, if the patient has inconvenience, he or she needs to help the child or the family to help the toilet. For families and patients, it is very troublesome.

2A and 2B, a portable folding wheelchair 10A disclosed in Taiwan M382122, which differs from the above-described wheelchair 10 in that a seat frame 120 is assembled on the two movable bars 121, the seat frame A pad 130 is assembled above the 120, and a toilet 140 is assembled at the bottom to allow the user to go to the wheelchair 10A. However, this structural design allows the user to urinate directly on the wheelchair 10A, but the seat cushion 130 is formed of plastic and has a row of vent holes 131, such a Therefore, when the wheelchair 10A is to be folded, the seat cushion 130 and the toilet bowl 140 must be removed and removed, which is inconvenient to use; further, the drain hole 131 of the seat cushion 130 is a fixed opening, but the user is on the wheelchair 10A. If it is not to be used as a toilet, but only as a general wheelchair 10 as shown in Figure 1, it is not comfortable and not practical; this type of patent is also found in Taiwan M388932 "Combined wheelchair construction with toilet function" In the case. Therefore, the wheelchairs with the functions of the toilet or the toilet are used, and there are problems in that the disassembly and removal are inconvenient to assemble and use, so there is still room for improvement.

The main purpose of the present invention is to provide a portable folding wheelchair which allows a person with reduced mobility to perform a bowel movement directly in a wheelchair, and which can still be used as a general wheelchair, and still has a foldable fold and The convenience of carrying with the car.

In order to achieve the above object, the technical means adopted by the present invention comprises: a foldable chair frame having two grips at the rear end thereof, and an armrest portion on each side of the chair frame; a folding unit pivotally connected to the chair The folding unit has a plurality of folding frames which are pivotally connected to each other, so that the frame can be stably positioned and folded; a foldable seat pad is connected between the frame frames; The folded back cushion is mounted on the backrest bar of the chair frame; the two main wheels are respectively pivoted on the outer side of the chair frame; and the second driven wheels are respectively pivotally connected below the front end of the chair frame; The middle of the seat cushion is disposed at a position matching the buttocks of the human body, and is provided with a discharge port; a note device is disposed on the bottom surface of the foldable seat cushion, and includes: two shutter plates arranged side by side symmetrically The discharge port is below the discharge port, and the area thereof is larger than the discharge port. The outer side of the two shutters is coupled to the bottom surface of the seat cushion by a pivot member, and the adjacent two inner sides are free ends, and the pivot member can be used. For the downward opening or the opposite direction of the rotating shaft, the two shutters are on the upper surface thereof. Each of the two mats is provided with a cushion, and the two cushions are protruded in parallel in the discharge port; the two brake members are oppositely disposed on the bottom surface and the two sides of the two shutters for controlling The two shutters are merged or opened, and comprise: a link set formed by three-section links, wherein a first pivotal connection is formed on the inner side of the first link set of the link set The second pivotal member is pivotally connected to the outer side of the first link group, and the second pivoting member is a horizontal sliding groove disposed on the bottom surface of the seat cushion is displaced in the left-right direction, a bottom side of the third link group is pivotally connected to the outer side of the second link group, and the third link group can be in a The vertical chute disposed on the armrest portion is vertically displaced, and the upper and lower displacements of the third link group are pulled or pushed, so that the two shutters are closed to close the discharge port, or The opening is opened for the use of the sluice; the plurality of hooks are arranged in an array on the inner bottom edge of the two louvers; and a receiving bag is formed of a waterproof material having an opening and A plurality of hanging holes are formed on opposite sides of the opening relative to the hook position, so that the receiving bag is hung on the inner bottom edge of the two shutters, and when the two shutters are opened downward, the opening is synchronously opened. To undertake excrement.

According to the foregoing features, the present invention may further comprise a cleaning device comprising: a spray head disposed on the struts under the seat cushion and facing the discharge port; a water storage bottle detachably Attached to the chair frame, the water outlet of the water storage bottle is connected to a pressure pump; and a water conduit is connected at one end to the pressure pump and at the other end to the spray head.

By means of the above-mentioned technical means, the present invention is still the same as a general wheelchair, and can be folded and carried and carried by the vehicle. When the user wants to make a note, the user can directly operate in the wheelchair and open the toilet device for urination; further, more The cleaning device is used to clean the user's buttocks, so that the patient can completely clean and clean the patient without having to go up and down the wheelchair, so that the patient has dignity and convenience, and for the care or family members, the burden can be reduced, and the humanity can be reduced. Designed wheelchair.

20‧‧‧ Chair frame

21‧‧‧ grip

22‧‧‧Handrail

23‧‧‧Backrest

231‧‧‧Folded joint parts

24‧‧‧ main round

25‧‧‧ driven wheel

26‧‧‧ Holding board

27‧‧‧Direct guide hole

30‧‧‧Folding unit

31‧‧‧Folding frame

32‧‧‧ pivot shaft

33‧‧‧ board

34‧‧‧ hollow pivot

40‧‧‧Cushion

41‧‧‧Drainage

42‧‧‧ Rivets

50‧‧‧Back cushion

51‧‧‧ seat

511‧‧‧Inside

52‧‧‧Band belt

521‧‧‧Inside

60‧‧‧Note device

61‧‧‧ visor

611‧‧‧ inside

62‧‧‧ pivot components

63‧‧‧A cushion

64‧‧‧Brake components

640‧‧‧Link Group

641‧‧‧First Link Group

642‧‧‧Second Link Group

643‧‧‧The third link group

644‧‧‧ pivot

65‧‧‧First pivoting piece

66‧‧‧Second pivotal joint

661‧‧‧ Slider

67‧‧‧ horizontal chute

68‧‧‧Vertical chute

69‧‧‧hook

70‧‧‧ Carrying bag

71‧‧‧ openings

72‧‧‧ hanging holes

73‧‧‧ zipper belt

80‧‧‧cleaning device

81‧‧‧Scrubbing head

82‧‧‧Water bottle

821‧‧‧Water outlet

822‧‧‧First recess

823‧‧‧Second recess

83‧‧‧Pressure pump

84‧‧‧Water conduit

85‧‧‧Battery

90‧‧‧Reusable folding wheelchair

Fig. 1 is a perspective view showing the appearance of a wheelchair.

Figure 2A is an exploded perspective view of a disposable wheelchair.

Figure 2B is a perspective view of a combination of a disposable wheelchair.

Figure 3 is an external perspective view of a preferred embodiment of the present invention showing a squint from the front.

Figure 4A is a perspective view of the appearance of a preferred embodiment of the present invention, shown obliquely from the rear.

Fig. 4B is an exploded perspective view showing the cleaning device of Fig. 4A taken off.

Figure 5 is another perspective view of the cleaning device of the present invention.

Figure 6 is a cross-sectional view of the cleaning apparatus of the present invention.

Figure 7 is an exploded perspective view of the note device of the present invention.

Figure 7A is a cross-sectional view of the opening of the receiving bag shown in Figure 7.

Figure 7B is a close-up cross-sectional view of the socket opening shown in Figure 7A.

Figure 8 is a perspective view showing the combination of the note device of the present invention.

Figure 9A is a bottom perspective view of the present invention showing the closed state of the note device.

Figure 9B is a bottom view showing the closure device of the present invention closed and not yet attached to the receiving bag.

Figure 9C is a plan view showing the closure of the pad device of the present invention.

Figure 9D is a front elevational view showing the note device of the present invention closed and not yet attached to the receiving bag.

Figure 10A is a schematic view showing the closure of the pad device of the present invention.

Fig. 10B is a schematic view showing the opening of the pad device of the present invention.

Figure 11 is a bottom perspective view of the present invention showing the note device attaching the receiving pocket and not yet being distracted.

Figure 12 is a bottom perspective view of the present invention showing the attached receiving pocket has been splayed.

Figure 13 is a perspective view showing the opening of the note device and the receiving bag of the present invention.

Figure 14 is a perspective view showing the folded state of the present invention.

First, referring to FIG. 3 to FIG. 10B, a portable folding wheelchair 90 according to the present invention includes a foldable chair frame 20 with two grips at the rear end thereof. The two sides of the chair frame 20 respectively have an armrest portion 22; a folding unit 30 is pivotally connected to the frame frame 20, and the folding unit 30 has a plurality of folding frames 31 which are pivotally connected to each other. The chair frame 20 can be stably deployed and folded; a foldable seat cushion 40 is coupled between the seat frame 20; a foldable seat back pad 50 is mounted on the chair frame 20 The two main wheels 24 are respectively pivoted on the outer side of the chair frame 20; the second driven wheels 25 are respectively pivotally connected under the front end of the seat frame 20; however, the upper cover constitutes a prior art for a wheelchair ( Prior art), which is not a patent of the present invention, is not described herein.

The main feature of the present invention is that the seat cushion 40 is provided with a discharge port 41 at a position matching the buttocks of the human body; a note device 60 is disposed on the bottom surface of the seat cushion 40, and the note device 60 includes: two shutters 61. As shown in FIG. 7 and FIG. 8 , they are arranged side by side symmetrically and arranged under the discharge opening 41. The two shutters 61 are formed by a plastic plate, and the area thereof is larger than the discharge opening 41, and the outer side of the two shutters is 61. A pivot member 62 is coupled to the bottom surface of the seat cushion 40. In the present embodiment, the pivot member 62 is coupled to the bottom surface of the seat cushion 40 by a rivet 42, but is not limited thereto. The two inner sides 611 adjacent to the two shutters 61 are free ends, and can be opened downward or upwardly with the pivot member 62 as a rotating shaft, and the two shutters 61 are respectively provided with a cushion on the upper surface thereof. 63. When the two shutters 61 are combined, the two cushions 63 are protruded in parallel in the discharge opening 41; and the cushion 63 may be flush with the discharge port 41 or slightly higher.

The two brake members 64 are disposed on the bottom surface and the two sides of the two shutters 61 in opposite directions. As shown in FIG. 10A and FIG. 10B, the two brake members 64 are configured to control the two shutters 61 to be merged or opened. For the schematic diagram, please also cooperate with other diagrams, the brake member 64 includes: a link set 640 composed of three or more stages of links, wherein the inside of the first link 641 of the link set 640 is a A pivotal member 65 is connected to the inner bottom edge of the two shutters 61. The inner side of the second link group 642 is pivotally connected to the outer side of the first link group 641 by a second pivoting member 66. The second pivoting member 66 can be displaced in the left and right direction on a horizontal sliding slot 67 disposed on the bottom surface of the seat cushion 40. In this embodiment, the second pivoting connection The member 66 has a slider 661 that is displaceable on the horizontal chute 67; a bottom side of a third link group 643 is pivotally connected to the outside of the second link group 642, and the third link group 643 is attached. It can be displaced up and down in a vertical chute 68 provided in the armrest portion 22.

In this embodiment, the upper end of the third link group 643 further includes a holding plate 26, and the lower end of the third link group 643 extends through the guiding hole 27 provided at the relative position of the seat frame 20. Therefore, as shown in FIG. 10B, when the grip 26 is pushed down, the third link group 643 is displaced downward, thereby pulling the second link group 642 and the first link group 641 to move outward. According to the interlocking of the two shutters 61, the first pivot member 62 is opened downward in the rotation axis, so that the discharge opening 41 is opened for use in the toilet. On the contrary, when the holding plate 26 is pulled upward to move the third link group 643 upward, thereby pushing the second link group 642 and the first link group 641 to move inward, the two shutters 61 are The first pivot member 62 is pivoted in the axial direction, and returns to the discharge port 41 in a combined shape as shown in FIG. 10B.

Therefore, in the present invention, the two brake members 64 are used to control the two shutters 61 to be merged or downwardly opened on the discharge opening 41, and the two brake members 64 are disposed in opposite directions on the seat cushion 40 and the two armrest portions 22. Up, so the user is very convenient to operate.

The plurality of hooks 69 are arranged in an array on the inner bottom edge of the two shutters 61, and are disposed opposite to each other; and a receiving bag 70, as shown in FIG. 7 and FIG. 7A, which may be made of a plastic bag or the like. The utility model is composed of a water-repellent material, and has an opening 71 at the upper side thereof, and a plurality of hanging holes 72 are formed on the two sides of the opening 71 relative to the hook 69 so that the receiving bag 70 can be hung on the two shutters 61. The inner bottom edge, and when the two shutters 61 are opened downward, the opening 71 is synchronously opened (as shown in FIGS. 12 and 10B) for receiving the user's excrement. In this embodiment, the end of the opening 71 of the receiving bag 70 is provided with two zipper strips 73, that is, above and below the hanging hole 72, in addition to increasing the strength of the hanging hole 72, as shown in FIG. 7B. It is convenient to close the opening 71 after use. The note device 60 disclosed in FIG. 3 to FIG. 10A shows that the receiving bag 70 has not been hung on the hook 69 of the bottom edge of the inner side of the two shutters 61 so as to clearly show the structure and operation of each component. .

In addition, in this embodiment, a bent joint member 231 may be disposed at a middle portion of the seat back bar 23, but is not limited thereto, so that the seat back bar 23 may be further bent when the wheelchair is folded and folded. lower the altitude. FIG. 11 is a schematic view showing the bottom edge of the receiving bag 70 hanging on the inner side of the two shutters 61. The two shutters 61 are still closed to close the discharge opening 41 (not shown in FIG. 11). The folding wheelchair 90 is the same as a general wheelchair and its function is completely unaffected. When the patient in the wheelchair wants to urinate, the patient does not have to leave the portable folding wheelchair 90, and the nursing device or the patient himself can push the third link group 643 downward by the holding plate 26, so that the patient The two shutters 61 are opened downwards, so that as shown in FIG. 10B, FIG. 12 and FIG. 13, when the two shutters 61 are opened downward, the receiving bag 70 is simultaneously opened, and the patient can immediately slide in the wheelchair. Further, when the patient is going out, the wheelchair must be placed on the vehicle. At this time, the present invention can be folded and folded as shown in FIG.

Referring to FIG. 4 to FIG. 6 , the present invention further provides a cleaning device 80 for cleaning the user's buttocks, comprising: a spray head 81 disposed on the folding frame 31 under the seat cushion 40 And facing the discharge port 41; a water storage bottle 82 is detachably attached to the seat frame 20, the water outlet 821 of the water storage bottle 82 is connected to a pressure pump 83; and a water conduit 84, one end of which The pressurizing pump 83 is connected, and the other end is connected to the washing head 81.

In this embodiment, the upper pivotal shaft 32 of the folding frame 31 further includes two plate bodies 33 respectively, and the upper ends of the two plate bodies 33 are pivotally connected to each other by a hollow pivot 34 (as shown in the figure). 9D), the water conduit 84 of the cleaning device 80 extends through the hollow pivot 34 and is connected to the spray head 81. The spray head 81 is disposed above the cross pivoting shaft 32 of the folding frame 31. When the two shutters 61 are opened downward, the receiving bag 70 is opened and cleaned and the space generated under the discharge opening 41 is cleaned. .

As shown in FIG. 4 to FIG. 6 , the rear side of the seat back pad 50 further includes a socket 51 and a buckle belt 52. The socket 51 can be made of canvas or elastic cloth, and the inner end 511, 521 seam The rear side of the seat back pad 50 is formed by a generally commercially available shoulder strap or a car seat belt. When the bottom of the water storage bottle 82 is sleeved on the seat 51, The buckle strap 52 tightens the water storage bottle 82, and when the water storage bottle 82 has no water, the supplementary cleaning water can be removed by simply unfastening the buckle fastening belt 52. The first side of the water storage bottle 82 is formed with a first recess 822 for receiving the pressure pump 83, and the other side of the water storage bottle 82 further defines a second recess 823. The second recess 823 is formed. A battery pack 85 is provided for providing power to the pressurizing pump 83. In this way, the wheelchair disclosed in the present invention can be automatically cleaned directly in the wheelchair in addition to the toilet.

The two shutters 61 of the present invention are disposed on the bottom surface of the seat cushion 40 in a correspondingly corresponding manner, and the two brake members 64 are also disposed on opposite sides of the seat cushion 40 and the seat frame 20 in a correspondingly corresponding manner. That is to say, the note device 60 of the present invention integrates the structural design into a conventional wheelchair without affecting the normal function of the wheelchair, so that it is generally used as a general wheelchair, but when it is placed on the vehicle, it can be as shown in Fig. 14. As shown, it is folded and carried with the car. Moreover, when the user wants to make a note, the user can directly operate in the wheelchair, and the toilet device 60 is opened for urination; in addition, the user can be cleaned by the cleaning device 80, so that the patient can completely avoid the wheelchair. And cleaning, so that patients with dignity and convenience, and for the care or family members, can also reduce the burden, a wheelchair designed with humanity.

To sum up, the technical means disclosed in the present invention have the invention patents such as "novelty", "progressiveness" and "available for industrial use", and pray for the patents of the bureau to encourage creation. German sense.

The drawings and the descriptions of the present invention are merely preferred embodiments of the present invention, and those skilled in the art, which are subject to the spirit of the present invention, should be included in the scope of the patent application.

Claims (7)

The utility model relates to a portable folding wheelchair, which comprises: a foldable chair frame, the rear end of which has two grips, the two sides of the chair frame respectively have an armrest portion; a folding unit is pivotally connected to the chair frame, The folding unit has a plurality of folding frames which are pivotally connected, so that the frame can be stably positioned and folded; a foldable seat pad is connected between the frame frames; a foldable chair a back pad is mounted on the backrest bar of the chair frame; two main wheels are respectively pivoted on the outer side of the chair frame; and two driven wheels are respectively pivotally connected under the front end of the chair frame; The bottom of the pad is provided with a discharge port at a position matching the body buttocks; a note device is disposed on the bottom surface of the seat cushion, and comprises: a) two shutters which are arranged symmetrically side by side under the discharge port and have an area larger than The discharge port, the outer side of the two shutters is coupled to the bottom surface of the seat cushion by a pivot member, and the adjacent two inner sides are free ends, and the pivot member can be opened downward or opposite to the pivot shaft. In the state of the merged state, the upper surfaces of the two shutters are each provided with a cushion, and the two covers are When the two are combined, the two cushions are protruded in parallel in the discharge port; b) the two brake members are oppositely disposed on the bottom surface and the two sides of the two shutters for controlling the two shutters to be merged or opened. The utility model comprises: a link group formed by a three-section link, wherein the inner side of the first link group of the link group is connected to the inner bottom edge of the two shutters by a first pivoting member, The inner side of the second link group and the outer side of the first link group are pivotally connected by a second pivoting member, and the second pivoting member is disposed on a horizontal sliding slot disposed on the bottom surface of the seat cushion. Displaced in the left and right direction, a bottom side of the third link group is pivotally connected to the outer side of the second link group, and the third link set can be in a vertical chute provided on the armrest portion Upward and downward displacement, by pulling or pushing the up and down displacement of the third link group, so that the two shutters are closed to close the discharge port, or open to make the discharge opening open for the note Use; c) a plurality of hooks arranged in an array on the inner bottom edge of the two shutters; and d) a receiving pocket formed of a waterproof material having an opening and opposite sides of the opening A plurality of hanging holes are arranged at the hook position, so that the receiving bag is hung on the inner bottom edge of the two shutters, and when the two shutters are opened downward, the opening is synchronously opened to receive the excrement. The portable folding wheelchair according to claim 1, further comprising a cleaning device comprising: a spray head disposed on the folding frame under the seat cushion and facing the discharge port; The water bottle is detachably attached to the chair frame, the water outlet of the water storage bottle is connected to a pressure pump, and a water conduit is connected at one end to the pressure pump and at the other end to the spray head. The portable folding wheelchair according to claim 2, wherein the cross-pivoting shaft of the folding frame further comprises two plates respectively pivoted, and the upper ends of the two plates are further connected to each other by a hollow pivot The pivoting, the water conduit of the cleaning device penetrates the hollow pivot and then connects the spray head. The portable folding wheelchair according to claim 2, wherein the rear side of the back cushion further comprises a seat and a buckle, the bottom of the water bottle is sleeved on the seat, and the The buckle strap tightens the water bottle. The portable folding wheelchair according to claim 4, wherein one side of the water storage bottle forms a first recess for receiving the pressure pump, and the other side of the water storage bottle is further formed. a second recess is provided for a battery assembly to provide the pressurized pump power supply. The portable folding wheelchair according to claim 1, wherein the upper end of the third link group further comprises a grip plate, and the lower end of the third link group is disposed to extend through the relative position of the chair frame. Always through the hole. The portable folding wheelchair according to claim 1, wherein the open end of the receiving bag is further provided with more than one zipper tape.