KR102163520B1 - Wheelchair backrest mounting assembly and wheelchair having the same - Google Patents

Abstract

One embodiment of the present invention, in the wheelchair back mounting assembly for mounting and supporting the backrest to the support rods facing each other of the wheelchair, the support rod connection module coupled to each support rod; As, having a slot (slot) formed in the vertical direction Support rod connection module; A backrest support bracket coupled to the backrest and the support rod connection module, comprising: a backrest support plate coupled to the backrest, and a backrest support bracket having a guide portion formed at one end of the backrest support plate and inserted into the slot; And it provides a wheelchair back mounting assembly characterized in that it comprises a; and a wheelchair having the same; and a locking device that locks to prevent the guide portion inserted into the slot from being separated from the slot or release to allow the separation.

Description

Wheelchair backrest mounting assembly and wheelchair having the same {WHEELCHAIR BACKREST MOUNTING ASSEMBLY AND WHEELCHAIR HAVING THE SAME}

The present invention relates to a wheelchair back mounting assembly and a wheelchair having the same, and more particularly, to a wheelchair back mounting assembly that is very easy to attach and detach, and can be adjusted to the user, and a wheelchair having the same.

A wheelchair is one of the medical aids that help people with disabilities such as patients, the disabled, and the elderly to move easily. A general wheelchair has a main frame in the form of a staircase having a seat plate, armrests, and footrests for seating, and a backrest and a handle at the rear of the may frame for the user to sit conveniently. Main wheels with drive rings are installed on both sides of the main frame, and auxiliary wheels are installed in front of the main wheels. Brakes to stop the wheelchair are installed on both sides of the main frame. Two upright posts (support bars) that are generally spaced apart from each other are connected to the rear of the main frame, and the upper ends of the two upright posts are bent to form a handle. Backrests are installed on two upright columns.

However, the conventional backrest mounting mechanism has a complicated structure, and it is usually difficult to simply adjust the backrest without a tool. For this reason, in the conventional wheelchair, it is difficult to easily change the height, horizontal position, angle, etc. of the backrest according to the physical condition, needs, or taste of the seated user. In particular, it is very inconvenient and difficult to attach and detach the backrest to the two upright pillars, and thus it is difficult for a person with discomfort in the movement to use it.

Japanese Unexamined Patent Application Publication No. 2008-161681

The technical problem to be achieved by the present invention is to provide a wheelchair back mounting assembly and a wheelchair having the same, which is very easy to attach and detach, and that can easily adjust height, horizontal position, and angle according to the user's needs.

The technical problem to be achieved by the present invention is not limited to the technical problems mentioned above, and other technical problems that are not mentioned can be clearly understood by those of ordinary skill in the technical field to which the present invention belongs from the following description. There will be.

In order to achieve the above technical problem, an embodiment of the present invention provides a wheelchair back mounting assembly for mounting and supporting the backrest on support bars facing each other of a wheelchair. The assembly includes a connection module, a bracket and a locking device. The connection module is a support rod connection module coupled to each support rod, and has a slot formed in the vertical direction. The bracket is a backrest support bracket coupled to the backrest and the support rod connection module, and includes a backrest support plate coupled to the backrest, and a guide portion formed at one end of the backrest support plate and inserted into the slot. The locking device may be locked to prevent the guide portion inserted into the slot from being dislodged from the slot or may be released to allow disengagement.

In an embodiment of the present invention, the support rod connection module may include a fastening block, a first fastening plate, a second fastening plate, and a fixing means. The fastening block is coupled to the selected position in the vertical direction of the support bar. The first fastening plate extends from the fastening block, and a first fixing hole having a long hole shape may be formed in a horizontal direction. The second fastening plate is abutted to the first fastening plate, a slot is formed on the opposite side of the first fastening plate, and a second fixing hole may be formed in a long hole shape near the slot. The fixing means is inserted into the first fixing hole and the second fixing hole to fasten the first fastening plate and the second fastening plate. According to the user's convenience, the second fastening plate is adjusted to a horizontal position and a rotated position with respect to the first fastening plate, and then fixed to the first fastening plate by means of a fixing means, thereby setting the height, horizontal position and rotation angle of the backrest. Can be.

In an embodiment of the present invention, the locking device may include an elastic member and an intermittent lever coupled with the elastic member. The elastic member is installed near the slot of the second fastening plate. The intermittent lever is forcibly moved from the first position to lock the guide part by covering a part of the inlet of the slot into which the guide part is inserted, and then forcibly moved to the second position to unlock by opening the slot inlet, and then restored to the first position by the elastic member. have.

In an embodiment of the present invention, the slot may include a side wall protruding forward from the second fastening plate and having an opening extending into the slot, and a front wall extending parallel to the second fastening plate from the side wall. A locking groove is formed in the guide part to correspond to the opening, and the locking device may include an elastic member installed near the slot of the second fastening plate, and a locking hook. The locking hook is coupled to the elastic member and a part of the locking hook protrudes into the slot through the opening. The locking hook is rotated by the guide portion inserted into the slot, and then restored by the elastic member to be caught in the locking groove of the guide portion.

In an embodiment of the present invention, a locking hole may be formed at the top of the front wall and below the inclined surface. The locking device may include an elastic member installed on the back support plate near the guide portion, and a locking hook. When the guide part is inserted into the slot, the locking hook is inserted into the locking hole after contacting the inclined surface of the front wall of the slot.

In an embodiment of the present invention, the first fixing hole includes an upper first fixing hole and a lower first fixing hole, the second fixing hole includes an upper second fixing hole and a lower second fixing hole, and the upper second fixing hole The fixing hole and the lower second fixing hole are formed as curved holes concave to each other, and the fixing means includes a first fixing means inserted into the upper first fixing hole and the upper second fixing hole, and the lower first fixing hole and the lower part. It includes a second fixing means inserted into the second fixing hole, and by making the horizontal positions of the first fixing means and the second fixing means different from each other, the second fastening plate is rotated relative to the first fastening plate for user convenience. Can be adjusted to the position.

In order to achieve the above technical problem, another embodiment of the present invention provides a wheelchair back mounting assembly for mounting and supporting the backrest on rod-shaped support rods facing each other of the wheelchair. The assembly includes a connection module and a bracket. The connection module is coupled to each support rod and has a slot formed in the vertical direction. The bracket is attached to the backrest and support rod connection module. The bracket has a backrest support plate coupled to the backrest, and a guide portion formed at one end of the backrest support plate and inserted into the slot. The support rod connection module includes a first fastening plate, a second fastening plate, and a fixing means. The first fastening plate is coupled to a selected position in the vertical direction of the support bar, and a first fixing hole in the form of a long hole is formed in the horizontal direction. The second fastening plate is abutted to the first fastening plate, the slot is formed on the opposite side of the first fastening plate, and a second fixing hole is formed in a horizontal direction in the vicinity of the slot in a horizontal direction. The fixing means is inserted into the first fixing hole and the second fixing hole to fasten the first fastening plate and the second fastening plate. According to the user's convenience, the second fastening plate is adjusted to a horizontal position and a rotated position with respect to the first fastening plate, and then fixed to the first fastening plate by the fixing means, so that the height, horizontal position, and rotation angle of the backrest are Can be set.

In order to achieve the above technical problem, another embodiment of the present invention provides a wheelchair. A wheelchair is a seat on which the user is seated, a wheel installed at the lower part of the seat, two support rods extending upward and downward from the rear of the seat, a backrest positioned between the support rods on the rear upper side of the seat, and a back support on the support rods. Includes a wheelchair back mounting assembly for mounting and supporting.

According to an embodiment of the present invention, a slot-type mounting and detachment is possible, so that a person with discomfort can easily use it, and a height, a horizontal position, and an angle can be easily adjusted according to the user's needs. A mounting assembly and a wheelchair having the same are provided.

The effects of the present invention are not limited to the above effects, and should be understood to include all effects that can be inferred from the configuration of the invention described in the detailed description or claims of the present invention.

1 to 5 are views showing a wheelchair back mounting assembly and a wheelchair having the same according to a first embodiment of the present invention.
1 is a view showing the rear surface of a backrest fixed and supported by a support rod by an assembly.
2 is a diagram illustrating a method in which a bracket is coupled to a connection module in a slot type.
3 is a diagram illustrating an example of a connection module.
4 is a diagram illustrating an example of horizontal position adjustment.
5 is a diagram illustrating an example of rotational position adjustment.
6 and 7 are views showing an assembly according to a second embodiment of the present invention.
8 to 10 are views showing an assembly according to a third embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings. However, the present invention may be implemented in various different forms, and therefore is not limited to the embodiments described herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and similar reference numerals are assigned to similar parts throughout the specification.

Throughout the specification, when a part is said to be "connected (connected, contacted, bonded)" with another part, it is not only "directly connected", but also "indirectly connected" with another member in the middle. "Including the case. In addition, when a part "includes" a certain component, it means that other components may be further provided, rather than excluding other components unless specifically stated to the contrary.

The terms used in the present specification are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this specification, terms such as "comprise" or "have" are intended to designate the presence of features, numbers, steps, actions, components, parts, or a combination thereof described in the specification, but one or more other features. It is to be understood that the presence or addition of elements or numbers, steps, actions, components, parts, or combinations thereof, does not preclude in advance.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 to 5 are views showing a wheelchair back mounting assembly and a wheelchair having the same according to a first embodiment of the present invention.

The wheelchair according to the present embodiment includes a seat on which a user is seated, a wheel installed under the seat, two support rods 3 and 5 facing each other and extending from the rear of the seat in the vertical direction (D1: see Fig. 4), and the seat A backrest 104 positioned between the support rods 3 and 5 on the rear upper side of the wheel, and a wheelchair back mounting assembly 200 for mounting and supporting the back support 104 to the support rods 3 and 5. Since seats and wheels of wheelchairs are known, detailed descriptions are omitted, and only the support rods, backrests 104, and mounting assemblies of the wheelchair are shown in the drawings for convenience of description.

1 is a view showing the rear side of a backrest fixed and supported by a support rod by a wheelchair backrest mounting assembly.

Referring to Figure 1, the wheelchair back mounting assembly (hereinafter, the mounting assembly) according to this embodiment is used to mount and support the backrest 104 to the support rods (3, 5) facing each other approximately parallel to each other of the wheelchair do.

The mounting assembly 200 includes a support rod connection module 250, a backrest support bracket 270, and a locking device 290. The two support bars 3 and 5 extend in the vertical direction from the rear of the sheet. The upper ends of the support rods 3 and 5 are bent to constitute a handle of a wheelchair. The mounting assembly 200 is coupled to two opposing support rods 3 and 5 (left support rod and right support rod), one respectively. The backrest 104 is coupled to the left and right mounting assemblies 200, respectively, and the height, the horizontal direction (D2: see FIG. 4), and the inclination may be selected according to the user's taste and needs. A plurality of fastening holes 151 are formed in the support rods 3 and 5 to select the height of the mounting assembly 200, and the mounting assembly 200 is attached to a fixing means such as a screw 605 (see FIG. 10). By this, it can be fastened to the support rods 3 and 5 at a selected height. Accordingly, the height of the backrest 104 is primarily adjusted thereby.

The backrest 104 is coupled to the left and right mounting assemblies 200, respectively. At this time, if the mounting assembly 200 is fastened to the fastening hole 151 required by the user among the plurality of fastening holes 151 formed in the backrest 104, the height of the backrest 104 can be secondaryly adjusted again. The backrest 104 may be formed of a metal plate having rigidity, for example, and may have a curved shape as shown in FIG. 1 to adequately surround the user's back. The backrest cover 102 may be made of a soft material, and may be fixed to the backrest 104 while covering the front of the backrest 104. Hereinafter, since the structure of the mounting assembly 200 in the left support bar 3 and the right support bar 5 is the same except that they are symmetrical to each other, the description will be made based on the left side.

2 is a diagram illustrating an example of a connection module, and FIG. 3 is a diagram illustrating a method in which a bracket is coupled to a connection module in a slot type.

1 to 3, the support rod connection module 250 (hereinafter, the connection module) is coupled to the support rod 3, and has a slot 248 formed in the vertical direction. The backrest support bracket 270 (hereinafter, referred to as a bracket) is coupled to the backrest 104 and the connection module 250 to support the backrest 104. The bracket 270 has a backrest support plate 271 coupled to the backrest 104, and a guide portion 273 formed at one end of the backrest support plate 271 and inserted into the slot 248. The locking device 290 locks to prevent the guide portion 273 inserted in the slot 248 from being separated from the slot 248 or releases the lock to allow the release. According to the mounting assembly 200 according to the present embodiment, the height, horizontal position, and inclination of the backrest 104 can be easily changed as needed by a special structure of the mounting assembly 200, and in particular, the slot 248 ) By inserting or detaching the guide part 273 into or away from it, it is possible to easily attach/detach, so that users with disabilities can use it very comfortably. Hereinafter, each part will be described in detail.

The connection module 250 includes a fastening block 210, a first fastening plate 220, a second fastening plate 240, and fixing means 251 and 253. The connection module 250 may be made of metal, but may be made of plastic. As an example, the fastening block 210 includes two parts 211 and 213 surrounding the support bar 3, and the two parts 211 and 213 are fastened to each other by screws, etc. The connection module 250 is fixed to the selected position. The first fastening plate 220 may be a plate combined with the fastening block 210 or may be integrally formed with the fastening block 210. The first fastening plate 220 is formed with first fixing holes 221 and 223 of a long hole shape in the horizontal direction. Here, the horizontal direction may be one direction on a plane perpendicular to the vertical direction. The second fastening plate 240 is abutted against the first fastening plate 220 and has second fixing holes 241 and 243 formed in a long hole shape. The fixing means 251 and 253 (for example, screws) are inserted into the first fixing holes 221 and 223 and the second fixing holes 241 and 243 to fasten the first fastening plate 220 and the second fastening plate 240. For example, before being completely fixed by the fixing means 251 and 253, the second fastening plate 240 can be moved and rotated in the horizontal direction relative to the first fastening plate 220 (D3: see FIG. 5). That is, the second fastening plate 240 is adjusted to a horizontal position and a rotated position with respect to the first fastening plate 220 according to the user's convenience, and then attached to the first fastening plate 220 by the fixing means 251,253. By being fixed, the height, horizontal position, and rotation angle of the backrest 104 can be set. This will be described further later.

In this embodiment, the locking device 290 is installed on the second fastening plate 240 of the connection module 250. A slot 248 is formed in the second fastening plate 240 as described above. The slots 248 are two sidewalls 242 that face each other from the second fastening plate 240 and protrude forward, and extend toward each other in parallel with the second fastening plate 240 from the two side walls 242. It includes two front walls 244 and a bottom 246 protruding from the second fastening plate 240 and connected to a lower end of the side wall 242 and the front wall 244. As the guide portion 273 is inserted into the slot 248, the back support plate 271 of the bracket 270 is guided through a gap between the two front walls 244.

The locking device 290 may include an elastic member 297 and intermittent levers 293 and 295. For example, a groove is formed in the block 291 protruding from the second fastening plate 240, and an elastic member (e.g., a coil spring; 297 indicates only the position of the elastic member and the elastic member is not shown) is placed in the groove. It can be inserted and fixed in the groove. The intermittent levers 293 and 295 may include an opening/closing block 293 located near the entrance of the slot 248 and a lever unit 295 that is coupled to the opening/closing block 293 and can be operated by a user by hand. Some of the intermittent levers 293 and 295 may extend into the groove and be coupled to the elastic member 297, or the elastic member 297 may partially protrude from the groove and be coupled to the opening/closing block 291. Accordingly, the user may rotate the lever unit 295 to move the opening/closing block 291 partially covering the inlet of the slot 248 to open the inlet of the slot 248. At this time, the guide portion 273 of the bracket 270 fixed to the backrest 104 by the user may be inserted into the slot 248 in the vertical direction. Since the bottom 246 of the slot 248 is closed, the position is maintained even if the backrest 104 is released. Thereafter, when the user releases the lever part 295, the position is restored by the elastic member 297, and the opening/closing block 291 covers a part of the inlet of the slot 248 to prevent the guide part 273 from being separated, that is, , The guide portion 273 is locked. Conversely, when the backrest 104 is detached, the above-described operation may be reversed. That is, the lever portion 295 is rotated to open the inlet of the slot 248, and the guide portion 273 is released from the slot 248 by pulling the backrest 104 upward, and then the lever portion 295 is released. This slot-type mounting/detaching does not require an operation of unlocking or locking a complicated fastening structure to a user with limited mobility, and thus can be used very conveniently.

4 is a diagram illustrating an example of horizontal position adjustment, and FIG. 5 is a diagram illustrating an example of rotation position adjustment.

4 and 5, in the present embodiment, the first fastening plate 220 has an upper first fixing hole 221 and a lower first fixing hole 223 formed in a horizontal direction in a long hole shape. The second fastening plate 240 has an upper second fixing hole 241 and a lower second fixing hole 243 formed therein. The upper second fixing hole 241 and the lower second fixing hole 243 extend in a substantially horizontal direction, but may be formed as curved holes (see FIG. 4) concave to each other. The first fixing means 251 is inserted and fastened into the upper first fixing hole 221 and the upper second fixing hole 241. The second fixing means 253 is inserted into and fastened to the lower first fixing hole 223 and the lower second fixing hole 243. If necessary, adjust the height of the connection module 250 on the support rod 3 according to the user's needs, and loosen the first fixing means 251 and the second fixing means 253, and then remove the second fastening plate 240. 1 With respect to the fastening plate 220, as shown in Figure 4, change the position in the horizontal direction, or as shown in Figure 5, the horizontal direction of the first fixing means 251 and the second fixing means 253 By making the positions different from each other, the position of the backrest 104 may be adjusted by rotating the second fastening plate 240 with respect to the first fastening plate 220 for user convenience. At this time, as described above, since the second fixing holes 241 and 243 have a curved long hole shape, the rotation of the second fastening plate 240 is facilitated. Even after rotation, the first fixing holes 221 and 223 and the second fixing holes 241 and 243 ) Is sufficiently secured, and the first fixing means 251 and the second fixing means 253 may be inserted into the overlapped portion. In addition, the first fixing means 251 and the second fixing means 253 are not completely released, but only slightly, and then the horizontal position and the rotational position described above may be adjusted.

As described above, according to the mounting assembly 200 according to the present embodiment, due to the slot-type mounting and detaching method, it is very convenient to use, and the height, horizontal position and rotation position of the backrest 104 only with the mounting assembly 200 (ie , The tilt of the backrest) can be adjusted, so it is very convenient to use according to the user's physical condition or taste.

6 and 7 are views showing the mounting assembly according to the second embodiment. FIG. 6 is a view showing a guide portion is positioned for insertion into a slot, and FIG. 7 is a view showing a state locked by a locking device while the guide portion is inserted into the slot.

This embodiment is the first except that the opening 449 is formed in the side wall 442 of the slot, the locking groove 477 is formed in the guide part 473, and the shape of the locking device 490 is changed. Since it is substantially the same as the embodiment, a duplicate description will be omitted.

In this embodiment, the sidewall 242 of the slot 448 is formed with an opening 449 leading to the inside of the slot 448. The guide part 473 may have a plate shape, and a locking groove 477 is formed at a position corresponding to the opening 449. In this embodiment, the locking device 490 includes an elastic member 497 and a locking hook 491. The elastic member 497 is installed near the slot 448 of the second fastening plate 440. The locking hook 491 is coupled to the elastic member 497, and an end of the locking hook 491 protrudes into the slot 448 through the opening 449. The end of the locking hook 491 has an inclined surface to which the guide part 473 contacts, and when the guide part 473 inserted into the slot 448 contacts the inclined surface, the locking hook 491 slightly rotates and the slot ( 448 is completely opened, and a guide portion 473 is further inserted into the slot 448. When the end of the locking hook 491 is restored to the locking groove 477 of the guide part 473 by the elastic member 497 and is caught in the locking groove 477, the guide part 473 is locked. Since the backrest 104 can be easily mounted and fixed only by simply inserting the guide portion 473 into the slot 448, even a person with discomfort can easily and simply handle it. When the backrest 104 is detached, the locking hook 491 is pushed and unlocked by hand, and the guide portion 473 comes out of the slot 448 when the backrest 104 is lifted upward.

8 to 10 are views showing the mounting assembly 200 according to the third embodiment. 9 is a cross-sectional view taken along line A-A of FIG. 8.

This embodiment is the first except that the inclined surface 652 and the locking hole 659 are formed on the front wall 644 of the slot 648, the shape of the locking device 290 is changed, and the installation position is changed. Since it is substantially the same as the embodiment, a duplicate description will be omitted.

As mentioned above, the slot 648 includes a side wall 642 and a front wall 644. For example, as shown in FIG. 9, an inclined surface 652 is formed from an upper edge of the front wall 644 to a lower side by a predetermined length, and a locking hole 659 is formed directly under the inclined surface 652 in the front wall 644. ) Can be formed.

In this embodiment, the locking device 690 is installed not on the second fastening plate 640 but on the back support plate 671 near the guide portion 673 of the bracket 670. The locking device 690 may include an elastic member 697 and a locking hook 691. The elastic member 697 is installed on the back support plate 671 near the guide portion 673. The locking hook 691 may be rotatably coupled to the elastic member 697. The locking hook 691 has a locking protrusion, and the locking protrusion has an inclined surface formed at the lower edge and the upper edge, respectively (see FIG. 9). When the guide portion 673 is inserted into the slot 648, when the inclined surface of the front wall 644 of the slot 648 and the inclined surface of the lower side of the locking protrusion are in contact, the locking hook 691 is slightly rotated and the front wall ( After sliding along the 644, when the locking protrusion is inserted into the locking hole 659 of the front wall 644, the guide portion 673 is locked in the slot 648. During detachment, the locking hook 691 is tilted by hand, and the locking protrusion is separated from the locking hole 659, while holding the backrest 104 and lifting it upward. Or, as shown in Figure 10, by connecting the left hook (691) and the right hook (691) with a wire or a connecting line, and pulling the connection line, the left hook (691) and the right hook (691) are Simultaneously with unlocking, the backrest 104 can be lifted.

According to the above-described embodiments, it is very easy to attach and detach the backrest 104 by attaching and detaching it in a slot type, and to provide a mounting assembly 200 with improved user convenience and a wheelchair having the same due to easy height, horizontal position and angle adjustment. can do.

In the above-described embodiments, examples in which the mounting assembly 200 is applied to the backrest 104 have been described, but may also be applied to other parts of a wheelchair such as a headdress, and of course, a fixed chair other than a wheelchair.

The above description of the present invention is for illustrative purposes only, and those of ordinary skill in the art to which the present invention pertains will be able to understand that other specific forms can be easily modified without changing the technical spirit or essential features of the present invention will be. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not limiting. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as being distributed may also be implemented in a combined form.

The scope of the present invention is indicated by the claims to be described later, and all changes or modified forms derived from the meaning and scope of the claims and their equivalent concepts should be interpreted as being included in the scope of the present invention.

200, 400, 600: wheelchair back mounting assembly 220: first fastening plate
240: second fastening plate 250: support rod connection module
270: bracket 290: locking device

Claims (12)

In the wheelchair back mounting assembly for mounting and supporting the back to the support rods facing each other of the wheelchair,
Support rod connection module coupled to each support rod; As, a support rod connection module having a slot (slot) formed in the vertical direction;
A backrest support bracket coupled to the backrest and the support rod connection module, comprising: a backrest support plate coupled to the backrest, and a backrest support bracket having a guide portion formed at one end of the backrest support plate and inserted into the slot; And
Includes; a locking device that locks to prevent the guide portion inserted into the slot from being separated from the slot or releases to allow the separation,
Support rod connection module
A fastening block coupled to a position selected in the vertical direction of the support rod;
A first fastening plate extending from the fastening block and having a long hole-shaped first fastening hole in a horizontal direction;
A second fastening plate abutting the first fastening plate, having the slot formed on the opposite side of the first fastening plate, and having a second fixing hole formed in a long hole near the slot; And
Includes; a fixing means that is inserted into the first fixing hole and the second fixing hole to fasten the first fastening plate and the second fastening plate,
According to the user's convenience, the second fastening plate is adjusted to a horizontal position and a rotated position with respect to the first fastening plate, and then fixed to the first fastening plate by the fixing means, so that the height, horizontal position, and rotation angle of the backrest Is set,
The locking device
An elastic member installed near the slot of the second fastening plate;
An intermittent lever coupled with the elastic member; After forcibly moving from a first position to lock the guide part by covering a part of the inlet of the slot into which the guide part is inserted, to a second position for unlocking by opening the slot inlet, the first by the elastic member Wheelchair back mounting assembly comprising; an intermittent lever for returning to the position.
delete delete The method according to claim 1,
Slot is
A side wall protruding forward from the second fastening plate and having an opening leading into the slot; And
Includes; a front wall extending parallel to the second fastening plate from the side wall,
A locking groove is formed in the guide portion to correspond to the opening;
The locking device
An elastic member installed near the slot of the second fastening plate; And
A locking hook coupled to the elastic member and partially protruding into the slot through the opening, wherein the locking hook is restored by the elastic member to be caught in the locking groove of the guide unit after being rotated by the guide portion inserted into the slot. Wheelchair back mounting assembly, characterized in that.
The method according to claim 1,
Slot is
A side wall protruding forward from the second fastening plate; And
A front wall extending parallel to the second fastening plate from the side wall, comprising: a front wall having an inclined surface at an upper end of the front wall and a locking hole formed under the inclined surface,
The locking device
An elastic member installed on the back support plate near the guide part; And
A locking hook coupled with an elastic member; When the guide portion is inserted into the slot, a locking hook having a locking protrusion inserted into the locking hole after contacting the inclined surface of the front wall of the slot; and a wheelchair back mounting assembly comprising: a.
The method according to claim 1,
The first fixing hole includes an upper first fixing hole and a lower first fixing hole,
The second fixing hole includes an upper second fixing hole and a lower second fixing hole, and the upper second fixing hole and the lower second fixing hole are formed as curved holes concave with respect to each other,
The fixing means includes a first fixing means inserted into the upper first fixing hole and the upper second fixing hole, and a second fixing means inserted into the lower first fixing hole and the lower second fixing hole,
Wheelchair back mounting assembly, characterized in that by making the horizontal position of the first fixing means and the second fixing means different from each other, the second fastening plate is adjusted to a position rotated with respect to the first fastening plate according to user convenience.
In the wheelchair back mounting assembly for mounting and supporting the back to the rod-shaped support rods opposed to each other of the wheelchair,
Support rod connection module coupled to each of the support rods; As, a support rod connection module having a slot (slot) formed in the vertical direction (frame connecting module);
Backrest support bracket coupled to the backrest and support rod connection module; As, a backrest support plate coupled to the backrest, and a backrest support bracket having a guide portion formed at one end of the backrest support plate and inserted into the slot,
Support rod connection module
A first fastening plate coupled to a position selected in the vertical direction of the support rod and having a first fixing hole in the form of a long hole in a horizontal direction;
A second fastening plate abutting the first fastening plate, having the slot formed on the opposite side of the first fastening plate, and having a second fixing hole formed in a horizontal direction near the slot in a horizontal direction; And
Includes; a fixing means that is inserted into the first fixing hole and the second fixing hole to fasten the first fastening plate and the second fastening plate,
According to the user's convenience, the second fastening plate is adjusted to a horizontal position and a rotated position with respect to the first fastening plate, and then fixed to the first fastening plate by the fixing means, so that the height, horizontal position, and rotation angle of the backrest Is set,
A locking device for locking or releasing to allow separation to prevent the guide portion inserted into the slot from being separated from the slot; further includes,
The locking device
An elastic member installed near the slot of the second fastening plate; And
An intermittent lever coupled with the elastic member; After forcibly moving from a first position to lock the guide by partially covering the entrance of the slot into which the guide is inserted, to a second position to unlock the slot by opening the slot, the first by the elastic member Wheelchair back mounting assembly comprising; an intermittent lever for returning to the position.
The method of claim 7,
The first fixing hole includes an upper first fixing hole and a lower first fixing hole,
The second fixing hole includes an upper second fixing hole and a lower second fixing hole,
The fixing means includes a first fixing means inserted into the upper first fixing hole and the upper second fixing hole, and a second fixing means inserted into the lower first fixing hole and the lower second fixing hole,
Wheelchair back mounting assembly, characterized in that by differentiating the horizontal positions of the first fixing means and the second fixing means, the second fastening plate is adjusted to a position rotated with respect to the first fastening plate according to user convenience.
delete The method of claim 7,
A locking device for locking or releasing to allow separation to prevent the guide portion inserted into the slot from being separated from the slot; further includes,
Slot is
A side wall protruding forward from the second fastening plate and having an opening leading into the slot; And
Includes; a front wall extending parallel to the second fastening plate from the side wall,
A locking groove is formed in the guide portion to correspond to the opening;
The locking device
An elastic member installed near the slot of the second fastening plate; And
A locking hook coupled to the elastic member and partially protruding into the slot through the opening, wherein the locking hook is restored by the elastic member to be caught in the locking groove of the guide unit after being rotated by the guide portion inserted into the slot. Wheelchair back mounting assembly, characterized in that.
The method of claim 7,
A locking device for locking or releasing to allow separation to prevent the guide portion inserted into the slot from being separated from the slot; further includes,
Slot is
A side wall protruding forward from the second fastening plate and having an opening leading into the slot; And
It includes; a front wall extending parallel to the second fastening plate from the side wall, the locking hole is formed,
The locking device
An elastic member installed on the back support plate near the guide part; And
A locking hook coupled with an elastic member; As, when the guide portion is inserted into the slot, a locking hook having a locking protrusion inserted into the locking hole after contacting the top of the front wall of the slot;
In a wheelchair,
A seat on which the user is seated;
A wheel installed in the lower part of the seat;
Two support rods facing each other in the vertical direction from the rear of the seat and extending;
A backrest positioned between the support rods on the upper rear side of the seat;
Includes; a wheelchair back mounting assembly for mounting and supporting the backrest to the support rods,
The wheelchair back mounting assembly
Support rod connection module coupled to each of the support rods; As, a support rod connection module having a slot (slot) formed in the vertical direction (frame connecting module);
A backrest support bracket coupled to the backrest and the support rod connection module, comprising: a backrest support plate coupled to the backrest, and a backrest support bracket having a guide portion formed at one end of the backrest support plate and inserted into the slot; And
Includes; a locking device that locks to prevent the guide portion inserted into the slot from being separated from the slot or releases to allow the separation,
Support rod connection module
A fastening block coupled to a position selected in the vertical direction of the support rod;
A first fastening plate extending from the fastening block and having a long hole-shaped first fastening hole in a horizontal direction;
A second fastening plate abutting the first fastening plate, having the slot formed on the opposite side of the first fastening plate, and having a second fixing hole formed in a long hole near the slot; And
Includes; a fixing means that is inserted into the first fixing hole and the second fixing hole to fasten the first fastening plate and the second fastening plate,
According to the user's convenience, the second fastening plate is adjusted to a horizontal position and a rotated position with respect to the first fastening plate, and then fixed to the first fastening plate by the fixing means, so that the height, horizontal position and rotation angle of the backrest Is set,
The locking device
An elastic member installed near the slot of the second fastening plate;
An intermittent lever coupled with the elastic member; After forcibly moving from a first position to lock the guide part by covering a part of the inlet of the slot into which the guide part is inserted, to a second position for unlocking by opening the slot inlet, the first by the elastic member A wheelchair comprising a; an intermittent lever for returning to the position.

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