JP3134116U - Folding wheelchair covering device - Google Patents

Abstract

The present invention provides a folding wheelchair covering device that can reduce the burden on a caregiver by folding the covering device together with the wheelchair so that it can be expanded.
SOLUTION: A traveling wheel is attached to a pair of left and right side frames (2) connected to be openable and closable in a left and right direction, and a side rod (2a) extending in the front and rear direction of each side frame (2) and the upper and lower sides. Folding wheelchairs (1) each having a flexible seat and a backrest attached to the dorsal fin (2b) extending in the direction are provided, and a pair of left and right columns (11) are provided on the upper part of each dorsal fin (2b). And a pair of left and right support rods (12) are connected to the rotation end of each support column (11) so as to be rotatable about the left and right axis, and the support is supported. A flexible cover (25) is provided on the heel (12), a holding link (20) is provided to hold the expanded state of each support ridge (12) in the left-right direction, and the lower side of each support ridge (12) is provided. A restriction link (18) for restricting the rotation is provided.
[Selection] Figure 1

Description

  The present invention relates to a cover device for a folding wheelchair that is used for sunshade or rain protection for passengers such as disabled people and elderly people.

  As a conventional technique, a pair of left and right columns connected to an X-link that can be opened and closed in the left and right direction are detachably attached to a backrest frame of a wheelchair, and a pair of left and right canopy frames are centered on the left and right axis centers on each column. There is a wheelchair canopy that is pivotally connected and provided with a support rod that bends and holds the canopy frame forward with respect to the column, and a waterproof cloth is attached to the canopy frame and column.

According to the conventional apparatus, the canopy is attached to and removed from the wheelchair depending on whether it is used or not used. Therefore, the frequency of attaching and removing the canopy to the wheelchair is increased, which requires time. Further, when the canopy is attached to and removed from the wheelchair during traveling, it is necessary to carry an unmounted top plate separately, which increases the burden on the caregiver.
JP-A-2005-615

  An object of the present invention is to provide a folding wheelchair covering device that can reduce the burden on a caregiver by allowing the covering device to be folded and expanded together with the wheelchair while attached to the wheelchair.

The present invention is configured as follows to achieve the above object. That is, according to the first aspect of the present invention, traveling wheels are attached to a pair of left and right side frames that are connected to each other so as to be openable and closable in the left-right direction. Folding wheelchairs each having a flexible seat and a backrest attached to the dorsal fin to be put out, and a pair of left and right struts are connected to the upper part of each dorsal fin so as to be rotatable around the left and right axis, A pair of left and right support rods are connected to the pivot end portions of the respective columns so as to be pivotable about the left and right axis centers, and a flexible cover is provided on the support rod.
According to a second aspect of the present invention, there is provided a holding link for holding the left and right expanded state of each support rod.
The invention according to claim 3 is provided with a restriction link for restricting the downward rotation of each support rod.
According to a fourth aspect of the present invention, a locking tool that can be engaged with and disengaged from the upper portion of the backrest is provided at the rotating end of the support rod.
According to a fifth aspect of the present invention, the cover is formed in duplicate by an outer sheet and an inner sheet, and an opening / closing port is provided in a part of the inner sheet.

According to the first aspect of the present invention, when the wheelchair is expanded in the left-right direction, the left and right support columns are rotated upward, and then the left and right support rods are rotated forward (the wheelchair traveling direction). Will function as a sunshade and rain shield for wheelchair passengers.
In this state, when the left and right columns are rotated rearward and downward, and then the left and right support rods are rotated upward, the columns and the support rods are folded along the backrest, and the cover is covered with the backrest. The facing device, that is, the covering device is folded into a plane shape on the rear surface of the wheelchair, so that the caregiver is not hindered from operating the wheelchair. Next, when the wheelchair is folded in the left-right direction, the cover is folded in the left-right direction via each support rod. Thereby, it is possible to store the wheelchair together with the device in a small space in the vehicle or in the house.
According to the second aspect of the present invention, when the support rod is rotated forward from the support column and the holding link is operated in this state, the cover is stretched by each support rod, and the function of sun protection and rain protection for the passenger is provided. Get higher.
According to the third aspect of the present invention, when the support rod is rotated forward from the support column and the restriction link is operated in this state, the support rod does not rotate carelessly downward, and safety for passengers Becomes higher.
In the device according to claim 4, when the support column and the support rod are folded and the locking tool is locked to the upper portion of the dorsal fin, the support rod does not rotate carelessly and the wheelchair can be safely operated. it can.
In the device according to claim 5, since the covering is doubled, the sun and rain shielding function is enhanced. Further, since the cover can be inserted into or removed from the support rod through the opening / closing port, the cover can be easily attached to and detached from the support rod.

  Embodiments of the present invention will be described below with reference to the drawings. 1 is a side view showing a use state of the present invention, FIG. 2 is a side view showing a primary folding state of a covering device according to the present invention, and FIG. 3 is a side view showing a secondary folding state of the covering device according to the present invention. 4 is a side view of an essential part showing a state in which the support rod is folded up and down, FIG. 5 is a side view of an essential part showing a state in which the support rod is folded up and down, and FIG. 6 is a state in which the support rod is expanded left and right. FIG. 7 is a plan view of a state in which the support rod is folded left and right, FIG. 8 is a front sectional view showing a cover attached to the support rod, FIG. 9 is an enlarged sectional view of part A in FIG. FIG. 9 is an enlarged cross-sectional view of a B part in FIG. 8.

  In FIG. 1, 1 is a folding wheelchair (hereinafter referred to as “wheelchair”), and 10 is a covering device attached to the wheelchair 1. The wheelchair 1 connects a pair of left and right side frames 2 so as to be foldable in the left-right direction, and attaches a large-diameter wheel 3 to the rear side of the side frame 2 and a small-diameter wheel 4 to the front side. Each side frame 2 is formed in a chair shape when viewed from the side, and a seat rod 2a extending in the front-rear direction and a back rod 2b extending upward from a rear end (right end in FIG. 1) of the seat rod 2a are respectively attached to the seat. A flexible seat and a backrest are attached, and a footrest 5 is attached to the lower part of the leg 2c extending downward from the front end of the seat 2a. Further, the upper end portion of the dorsal fin 2b is bent backward, and a wheelchair steering grip 6 is attached to this portion.

  The covering device 10 includes a pair of left and right pipe columns 11 connected to the backpack 2b, a pair of left and right pipe support rods 12 connected to the column 11, and a sheet cover 25 attached to the support rod 12. The main parts are as follows. That is, a short auxiliary pipe 14 (FIG. 4) is projected and fixed to the upper part of the left and right dorsal fins 2b via a fastener 13, and a first pipe joint with a hinge is attached to the upper end of the auxiliary pipe 14. 15 is attached.

  As shown in FIG. 4, the first pipe joint 15 connects the upper part 15a and the lower part 15b so as to be rotatable by a fulcrum pin P1 in the left-right direction, and fixes the lower part 15b to the upper end part of the auxiliary pipe 14, The upper portion 15a is connected to the lower end portion of the support column 11, and the support column 11 is pivotable upward from the rear side of the wheelchair 1 around the fulcrum pin P1. The lower portion 15a has a regulation wall 15c, and the regulation wall 15c regulates the excessive rotation of the support rod 11 from the upper position forward when the support column 11 is rotated upward. . The fulcrum pin P1 has a lock lever 15d that locks or releases the rotation of the column 11 at the upper position when the column 11 is rotated upward.

  A support rod 12 is rotatably connected to a rotating end portion (upper end portion) of the column 11 via a second pipe joint 17 having a hinge. As shown in FIG. 4, the second pipe joint 17 connects the base portion 17 a and the end portion 17 b so as to be rotatable by a fulcrum pin P <b> 2 in the left-right direction, and connects the base portion 17 a to the rotation end portion (upper end portion) of the column 11. ) And the end 17b is connected to the lower end of the support rod 12. Thereby, the support rod 12 can be rotated around the fulcrum pin P2. The fulcrum pin P2 is provided with a lock lever 17c for locking or releasing the rotation of the support rod 12, and when the support rod 12 is rotated forward (in the traveling direction of the wheelchair) as shown in FIG. The lock lever 17c is actuated in the locking direction to fix the support rod 12 to the column 11.

  Moreover, when the support rod 12 is rotated forward, a restriction link 18 that restricts the downward rotation of the support column 11 is provided. As shown in FIG. 1, the restriction link 18 is configured such that two link rods 18a and 18b are connected to each other so as to be bendable, and arranged at the connecting portion between the support column 11 and the support rod 12, and the upper end of the upper link rod 18a is A pin is connected to the support rod 12, the lower end of the lower link rod 18b is pin-connected to the column 11, and a restriction piece is provided to restrict further opening when the opening angle is slightly larger than 180 degrees. When the support rod 12 is rotated forward, the restricting link 18 is operated so that the opening angle of the restricting link 18 is slightly larger than 180 degrees, thereby operating the restricting piece. Restrict movement.

  As shown in FIG. 6, the left and right support rods 12 are connected to each other by an X-shaped connecting link 19 so as to be opened and closed in the left-right direction. 20 is held. The connecting link 19 intersects the left and right first link rods 19a in an X shape and is pivotally connected to each other by a fulcrum pin P3. The front end of the first link rod 19a is supported by the left and right fulcrum pins P4. It connects with the front part of the collar 12 so that rotation is possible. The rear end of the first link rod 19a is pivotally connected to one end (inner end) of the left and right second link rods 19b by the left and right fulcrum pins P5, and the other end (outer side) of the second link rod 19b. End) is pivotally connected to the rear portion of the support rod 12 by a fulcrum pin P6. In FIGS. 6 and 7, reference numeral 16 denotes a side hook that is fixed to each support bar 12 by protruding outward.

  The holding link 20 connects the two link rods 20a and 20b so that they can be bent, and the left and right ends of the holding link 20 are connected to the fulcrum pin 4 so as to be pivotable, and when the opening angle becomes slightly larger than 180 degrees. As shown in FIG. 6, when the support rod 12 is expanded in the left-right direction, the opening angle of the holding link 20 is slightly larger than 180 degrees. By operating as described above, the restricting piece is actuated to hold the expanded state of each support rod 12 in the left-right direction. Further, when the support rod 12 is moved closer (folded) in the left-right direction, if the opening angle of the holding link 20 is operated to be 180 degrees or less, the connecting link 19 is folded as shown in FIG. The left and right support rods 12 approach (fold) each other.

  4 and 5, reference numeral 21 denotes a locking tool attached to the tip (rotating end) of each support rod 12. The locking member 21 has a protrusion 21a that protrudes downward in the figure, and the protrusion 21a is a fulcrum when the tip of each support rod 12 approaches the lower part (upper part in FIG. 4) of the column 11. The pin P1 is engaged from above to prevent the support rod 12 from rotating carelessly toward the rear.

  A flexible cover 25 is provided on the support rod 12. As shown in FIGS. 8 to 10, the cover 25 is formed in a double manner by an outer sheet 25 a and an inner sheet 25 b, and a lower opening / closing opening 26 opened and closed by a fastener at the left and right center part of the inner sheet 25 b Side opening / closing ports 27 that are opened and closed by fasteners are formed on the side portions. Then, after opening the lower surface opening / closing port 26 and inserting the support rod 12 and the connecting link 19 into the cover 25 from this portion, and opening the side surface opening / closing port 27 and inserting the side portion flange 16 from this portion, By closing the lower surface opening / closing port 26 and the side surface opening / closing port 27, the cover 25 is locked to the support rod 12 and the side rod 16. In FIG. 9, reference numeral 28 denotes a stop string that fixes the outer sheet 25 a to the connecting link 19. As shown in FIG. 1, the cover 25 is formed with a see-through sheet 25 c on the rear side so that when the caregiver M2 steers the wheelchair 1, the front visual field is widened.

  Next, the usage mode of the embodiment will be described. First, the wheelchair 1 is expanded in the left-right direction, and the passenger M1 is put on the wheelchair. The passenger M1 may be put on after the covering device 10 is opened. Next, the support rod 12 is rotated backward as shown by the solid line in FIG. That is, the locking tool 21 is detached from the fulcrum pin P1, the support rod 12 is rotated backward, the lock lever 17c of the second pipe joint 17 is locked, and the opening angle of the restriction link 18 is 180 degrees or more. Operate to

  Next, as shown by the phantom lines in FIG. 2, the left and right support columns 11 are rotated upward to lock the lock lever 15d of the first pipe joint 15, and the opening angle of the holding link 20 is 180 degrees or more. Operate so that In this case, as shown in FIG. 1, the cover 25 covers the upper side of the occupant M1, and when the caregiver M2 steers the wheelchair 1 and takes the occupant M1 outdoors, the cover 25 is The function of awning and rain protection for the passenger M1 will be exhibited.

  Next, when the covering device 10 is folded, the operation reverse to that described above, that is, the lock lever 15d of the first pipe joint 15 is released, and the left and right support columns 11 and the support rod 12 are indicated by solid lines in FIG. Then, the lock lever 17c of the second pipe joint 17 is released and the opening angle of the restriction link 18 is operated to be 180 degrees or less, as shown by the solid line in FIG. Then, the support rod 12 is rotated upward about the fulcrum pin P <b> 2 of the second pipe joint 17, and the locking tool 21 is locked to the fulcrum pin P <b> 1 part of the first pipe joint 15.

  Accordingly, the covering device 10 is folded into a planar shape on the rear surface of the wheelchair 1, and the caregiver M2 can operate the wheelchair 1 by a normal operation. When the passenger M1 is lowered and the wheelchair 1 is folded in the left-right direction, the cover 25 is folded in the left-right direction via the support rods 12, and the wheelchair 1 is covered with the device 10 and stored in a small space in the vehicle or in the house. can do.

It is a side view which shows the use condition of this invention. It is a side view which shows the primary folding state of the covering apparatus by this invention. It is a side view which shows the secondary folding state of the covering apparatus by this invention. It is a principal part side view which shows the up-and-down folding state of a support rod. It is a principal part side view which shows the latching state of the support rod folded up and down. It is a top view of the state which extended the support rod to right and left. It is a top view of the state which folded the support rod into right and left. It is front sectional drawing which shows the cover attachment state to a support rod. It is the A section expanded sectional view of FIG. It is the B section expanded sectional view of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Folding wheelchair 2 Side frame 2a Seat rod 2b Back rod 2c Leg rod 3 Large-diameter wheel 4 Small-diameter wheel 5 Footrest 6 Grip 10 Cover device 11 Prop 12 Support rod 13 Fastener 14 Auxiliary pipe 15 First pipe joint 15a Upper part 15b Lower part 15c Restriction wall 15d Lock lever 16 Side flange 17 Second pipe joint 17a Base part 17b End part 17c Lock lever 18 Restriction link 18a, 18b Link rod 19 Connection link 19a First link rod 19b Second link rod 20 Holding link 21 Locking tool 21a Protrusion 25 Cover 25a Outer sheet 25b Inner sheet 26 Opening and closing port

Claims (5)

  Wheels for traveling are attached to a pair of left and right side frames (2) that are connected so as to be openable and closable in the left and right direction. Each side frame (2) has a seat rod (2a) that extends in the front-rear direction and extends in the vertical direction. A folding wheelchair (1) having a flexible seat and a backrest attached to the dorsal fin (2b), and a pair of left and right struts (11) on the upper side of each dorsal fin (2b). And a pair of left and right support rods (12) are coupled to the pivot end portions of the respective support columns (11) so as to be rotatable about the left and right axis, and the support rods (12). A foldable wheelchair covering device, characterized in that a flexible covering (25) is provided on the foldable wheelchair.   The cover device for a foldable wheelchair according to claim 1, further comprising a holding link (20) for holding each support rod (12) in an expanded state in the left-right direction.   The cover device for a folding wheelchair according to claim 1 or 2, further comprising a restriction link (18) for restricting the downward rotation of each support rod (12).   The folding device according to any one of claims 1 to 3, wherein a locking tool (21) that can be engaged with and disengaged from an upper portion of the back cage (2b) is provided at a rotating end portion of the support rod (12). Type wheelchair covering device.   The cover (25) is formed in duplicate by an outer sheet (25a) and an inner sheet (25b), and an opening / closing port (26) is provided in a part of the inner sheet (25b). 4. The cover device for a foldable wheelchair according to any one of 4 above.

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