CN210019989U

CN210019989U - Wheelchair four limbs fixing and protecting device

Info

Publication number: CN210019989U
Application number: CN201920005533.7U
Authority: CN
Inventors: 张晓晓
Original assignee: Wenzhou Central Hospital
Current assignee: Wenzhou Central Hospital
Priority date: 2019-01-03
Filing date: 2019-01-03
Publication date: 2020-02-07
Anticipated expiration: 2029-01-03

Abstract

The utility model relates to the field of medical equipment, in particular to a four-limb fixing and protecting device for a wheelchair, which consists of a mounting seat, a protecting belt, a U-shaped hook and a buckle matched with the U-shaped hook, wherein the mounting seat comprises a protecting belt seat and a clamping seat, the upper surface of the protecting belt seat is fixed with the protecting belt and the buckle, the joint of the protecting belt and the protecting belt seat is provided with an automatic protecting belt winding device, and the length of the protecting belt can be adjusted during use; the lower surface of the protective belt seat is provided with an inverted T-shaped sliding block, the upper surface of the clamping seat is provided with an inverted T-shaped sliding groove, and the protective belt seat can be detached from the clamping seat when not in use, so that the space is saved; arc-shaped clamping pieces are fixed below the clamping seat or the clamping seat is directly and fixedly arranged at each part of the wheelchair and used for fixing the limbs and trunk of a rider.

Description

Wheelchair four limbs fixing and protecting device

Technical Field

The utility model belongs to the technical field of medical instrument and specifically relates to a protection device is fixed to four limbs for wheelchair.

Background

For a long time, the structure and the function of the wheelchair are continuously evolved and improved, the modeling and the comfort degree are greatly improved, and the clinical use is wide. However, no wheelchair is provided with a four-limb fixing and protecting device at present. In the clinical nursing work, common old people of old age, especially the limited, paralyzed patient of limbs function that apoplexy sequela or other diseases lead to, muscle strength and mobility all decline, can not independently put the limb function position, and when this group's patient sat the wheelchair, because of not having fine four limbs fixed protection, often both hands hang in the wheelchair seat outside, and two low limbs drop outside the running-board, and the prolapse slides on ground even, has the risk of four limbs injury. And the person who pushes the wheelchair is limited by the standing position and sight, and the limbs of the patient are difficult to be found in time at the first time if the limbs of the patient leave the armrests and the pedals of the wheelchair.

Chinese utility model specification CN 202426758U discloses a wheelchair with a safety belt, and two safety belts are installed on the back of the chair of this wheelchair body, and are similar to the safety belt of an automobile, and the tip is connected for buckle formula, can prevent the person of taking from falling from the wheelchair. However, the harness is not detachable and the limbs are not secured.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a protection device is fixed to wheelchair four limbs convenient to dismantle, can fix person's four limbs and truck.

In order to solve the problems, the wheelchair four-limb fixing and protecting device of the utility model consists of an installation seat, a protecting belt, a U-shaped hook fixed at one end of the protecting belt and a buckle matched with the U-shaped hook; the mounting seat comprises a protective belt seat and a clamping seat, the protective belt and the ring buckle are fixed on the upper surface of the protective belt seat, and an automatic protective belt winding device is arranged at the joint of the protective belt and the protective belt seat; the lower surface of the protective belt seat is provided with an inverted T-shaped sliding block, the upper surface of the clamping seat is provided with an inverted T-shaped sliding groove which is matched with the inverted T-shaped sliding block and penetrates through one side of the clamping seat, and the inverted T-shaped sliding block can move along the inverted T-shaped sliding groove; an installation cavity perpendicular to the extending direction of the inverted T-shaped sliding groove is arranged in the clamping seat, the upper part of the installation cavity penetrates through the inverted T-shaped sliding groove, and a guide hole penetrating through one side of the clamping seat is formed in the lower part of the installation cavity; an L-shaped control rod is movably installed in the guide hole, one end of the L-shaped control rod extends out of the outer side of the clamping seat from the guide hole, a limiting block which can extend into the inverted T-shaped sliding groove is fixed at the upper part of the L-shaped control rod, and the extending direction of the limiting block is the same as that of the L-shaped control rod; a first spring is arranged between the L-shaped control rod and the mounting cavity.

The automatic protective belt winding device comprises a protective belt accommodating box, and a shaft is fixed in the protective belt accommodating box; the protective bag storage box is provided with a strip-shaped opening parallel to the shaft, and the protective belt can enter the protective belt storage box from the strip-shaped opening; a protective belt winding wheel is rotatably arranged on the shaft, and the protective belt winding wheel is fixedly connected with the protective belt; a clockwork spring which can enable the protective belt to be completely wound on the protective belt winding wheel is arranged between the protective belt winding wheel and the shaft; an arc-shaped brake block matched with the protective belt winding wheel is arranged between the position where the protective belt winding wheel is not wound with the protective belt and the protective belt storage box, a pull handle is arranged on one side of the arc-shaped brake block, which is far away from the protective belt winding wheel, a hole is formed in the protective belt storage box and corresponds to the pull handle, and the pull handle extends out of the hole and can move along the hole; the protection belt winding wheel is characterized in that a second spring is arranged between the circular arc-shaped brake block and the protection belt storage box, the second spring is sleeved on the outer side of the pull handle and can enable the circular arc-shaped brake block to be completely attached to the protection belt winding wheel, and when the circular arc-shaped brake block and the protection belt winding wheel are in a completely attached state, the protection belt winding wheel cannot rotate around the shaft.

Two opposite arc-shaped clamping pieces are fixed below the clamping seat; a first pressing block and a second pressing block are respectively arranged below the two arc-shaped clamping pieces, a groove is formed in the outer side of the first pressing block, and a nut matched with the groove in shape is arranged in the groove; a first through hole and a second through hole are respectively formed in the positions, corresponding to the nut, of the first compression block and the second compression block, bolts with threads matched with the nut are arranged inside the first through hole and the second through hole, and the bolts are screwed on the nut; the bolt is hinged with an arc-shaped handle.

The clamping seat can also be fixedly arranged at a wheelchair armrest, a wheelchair pedal or a wheelchair backrest.

After the structure is adopted, the automatic protective belt winding device is arranged at the joint of the protective belt and the protective belt seat, so that the length of the protective belt can be adjusted by pulling the pull handle on the circular arc-shaped brake block when the protective belt is used. Because the mounting seat comprises the protective belt seat and the clamping seat, the L-shaped control rod on the clamping seat can be pressed when the protective belt seat is not used, the protective belt seat is detached from the clamping seat, and the space is saved. Two opposite arc-shaped clamping pieces are fixed below the clamping seat, or the clamping seat is fixedly arranged at the position of a wheelchair armrest, a wheelchair pedal or a wheelchair backrest, so that the arc-shaped clamping pieces can be fixed on the wheelchair (such as the position of a pedal tube), and then the protective belt seats are respectively clamped into the clamping seats at all parts to respectively fix the limbs and the trunk of a rider.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and embodiments.

FIG. 1 is a cross-sectional view of a first embodiment of an example of the present invention;

FIG. 2 is an enlarged view of a portion I of FIG. 1;

FIG. 3 is a cross-sectional view of a second embodiment of an example of the present invention;

FIG. 4 is a cross-sectional view of a third embodiment of an example of the present invention;

fig. 5 is a cross-sectional view of a fourth embodiment of the present invention.

Detailed Description

The wheelchair four-limb fixing and protecting device shown in fig. 1 is composed of a mounting seat 1, a protecting belt 2, a U-shaped hook 3 fixed at one end of the protecting belt 2 and a buckle 4 matched with the U-shaped hook 3. The mounting seat 1 comprises a protective belt seat 5 and a clamping seat 6, an arc-shaped groove 36 is formed in the upper surface of the protective belt seat 5, an automatic protective belt winding device 7 is fixed at one end of the arc-shaped groove 36, and a buckle 4 is fixed at the other end of the arc-shaped groove; the automatic protective belt winding device 7 comprises a protective belt storage box 15, a shaft 16 is arranged in the protective belt storage box 15, and the direction of the shaft 16 is the same as the extending direction of an arc-shaped groove 36 on the upper surface of the protective belt seat 5; a protective tape winding wheel 18 is rotatably arranged on the shaft 16; the protective belt storage box 15 is provided with a strip-shaped opening 17 parallel to the shaft 16, and one end of the protective belt 2, which is not fixed with the U-shaped hook 3, enters the protective bag storage box 15 from the strip-shaped opening 17 and is fixed on a protective belt winding wheel 18; a clockwork spring 19 which can wind the protection belt 2 on the protection belt winding wheel 18 completely is arranged between the protection belt winding wheel 18 and the shaft 16; the U-shaped hook 3 at one end of the protective belt 2 is clamped outside the protective belt storage box 15; an arc-shaped brake block 20 matched with the protective tape winding wheel 18 is arranged between the position, not wound with the protective tape 2, of the protective tape winding wheel 18 and the protective tape storage box 15, a pull handle 21 is arranged on one side, away from the protective tape winding wheel 18, of the arc-shaped brake block 20, a hole 22 is arranged at the corresponding position of the protective tape storage box 15 and the pull handle 21, the pull handle 21 extends out of the hole 22 and can move along the hole 22, a second spring 23 which is sleeved on the outer side of the pull handle 21 and can enable the arc-shaped brake block 20 to be completely attached to the protective tape winding wheel 18 is arranged between the arc-shaped brake block 20 and the protective tape storage box 15, and in the state shown in figure 2, the second spring 23 enables the brake block 20 to be completely attached to the protective tape winding wheel 18 to enable the protective tape winding wheel 18 not to rotate around the shaft. The lower surface of the protective belt seat 5 is provided with an inverted T-shaped sliding block 8, the upper surface of the clamping seat 6 is provided with an inverted T-shaped sliding groove 9 which is matched with the inverted T-shaped sliding block 8 and penetrates through one side of the clamping seat 6, an installation cavity 10 which is vertical to the extending direction of the inverted T-shaped sliding groove 9 is arranged inside the clamping seat 6, the upper part of the installation cavity 10 penetrates through the inverted T-shaped sliding groove 9, and the lower part of the installation cavity 10 is provided with a guide hole 11 which penetrates through one side of the; an L-shaped control rod 12 is movably arranged in the guide hole 11, one end of the L-shaped control rod 12 extends out of the outer side of the clamping seat 6 from the guide hole 11, a limiting block 13 capable of extending into the inverted T-shaped sliding groove 9 is fixed at the upper part of the L-shaped control rod 12, and the extending direction of the limiting block 13 is the same as that of the L-shaped control rod 12; a first spring 14 is arranged between the L-shaped control rod 12 and the mounting cavity 10, as shown in fig. 1, the inverted T-shaped sliding block 8 is clamped in the inverted T-shaped sliding groove 9, the first spring 14 supports the L-shaped control rod 12 to enable the limiting block 13 to extend into the inverted T-shaped sliding groove 9, and the inverted T-shaped sliding block 8 is limited to be incapable of moving in the inverted T-shaped sliding groove 9. Two opposite arc-shaped clamping pieces 24 are fixed below the clamping seat 6 and can be clamped on the wheelchair (such as a pedal tube); a first pressing block 25 and a second pressing block 26 are respectively arranged below the two arc-shaped clamping pieces 24, a groove 27 is formed in the outer side of the first pressing block 25, a nut 28 matched with the groove 27 in shape is arranged in the groove 27, and the nut 28 cannot rotate in the groove 27; the corresponding positions of the first pressing block 25, the second pressing block 26 and the nut 28 are respectively provided with a first through hole 29 and a second through hole 30, bolts 31 with threads matched with the nut 28 are arranged inside the first through hole 29 and the second through hole 30, and the bolts 31 are inserted into the first through hole 29 and the second through hole 30 and screwed on the nut 28; the nuts 28 and the bolts 31 are matched to enable the first compression block 25 and the second compression block 26 to drive the circular arc-shaped clamping pieces 24 to clamp or loosen the clamped part of the wheelchair, and the position of the mounting base 1 is adjusted; the bolt 31 is hinged to a circular arc handle 32 having an arc close to the arc of the circular arc jaw 24.

When the wheelchair is used, the circular arc-shaped handle 32 is rotated to drive the bolt 31 to be completely withdrawn from the nut 28, the circular arc-shaped clamping piece 24 is clamped on the wheelchair, then the bolt 31 penetrates through the first through hole 29 and the second through hole 30 to be screwed into the nut 28 and is screwed tightly, and the first pressing block 25 and the second pressing block 26 drive the circular arc-shaped clamping piece 24 to clamp the wheelchair as shown in fig. 1; placing the limb part of the rider to be fixed at the arc-shaped groove 36 of the protective belt seat 5, then pulling the pull handle 21 on the arc-shaped brake block 20 to enable the arc-shaped brake block 20 to leave the protective belt winding wheel 18, at the moment, the protective belt winding wheel 18 can rotate around the shaft 16, the U-shaped hook 3 clamped outside the protective belt storage box 15 by hand can be pulled, pulling out the protective belt 2 with a certain length from the strip-shaped opening 17 of the protective belt storage box 15, loosening the pull handle 21, enabling the arc-shaped brake block 20 to be tightly attached to the protective belt winding wheel 18 under the action of the second spring 23, preventing the protective belt winding wheel 18 from rotating around the shaft 16, and preventing the pulled protective belt 2 from being collected; finally, the U-shaped hook 3 at one end of the protection belt 2 is hooked on the buckle 4, so that the limbs of the passengers are limited between the protection belt 2 and the protection belt seat 5, the pull handle 21 is pulled down, after the circular arc-shaped brake block 20 leaves the protection belt winding wheel 18, the clockwork spring 19 drives the protection belt winding wheel 18 to rotate around the shaft 16, the pulled redundant protection belt 2 is wound into the protection belt storage box 15, the movement range of the passengers is narrowed, and the pull handle 21 is loosened so that the protection belt 2 cannot be pulled out again. When the protective belt is not used, the pull handle 21 is pulled to enable the circular arc-shaped brake block 20 to leave the protective belt winding wheel 18, then the protective belt 2 with a certain length is pulled out to expand the range of the limb movement of a passenger, then the pull handle 21 is loosened, finally the U-shaped hook 3 is taken down from the buckle 4, then the pull handle 21 is pulled down, the protective belt 2 enters the protective belt storage box 15 from the strip-shaped opening 17 of the protective belt storage box 15 and is wound on the protective belt winding wheel 18, and the U-shaped hook 3 is clamped on the outer side of the protective belt storage box 15; the L-shaped control rod 12 extending out of the side face of the clamping seat 6 is pressed to drive the limiting block 13 to withdraw from the inverted T-shaped sliding groove 9 of the clamping seat 6, and the inverted T-shaped sliding block 8 below the protective belt seat 5 can move along the inverted T-shaped sliding groove 9 on the clamping seat 6 to withdraw without being blocked by the limiting block 13, so that the protective belt seat 5 is separated from the clamping seat 6; when the protective belt seat is used again, the L-shaped control rod 12 is pressed to drive the limiting block 13 to withdraw from the inverted T-shaped sliding groove 9, the inverted T-shaped sliding block 8 of the protective belt seat 5 is clamped into the inverted T-shaped sliding groove 9 of the clamping seat 6, then after the L-shaped control rod 12 is loosened, the limiting block 13 is jacked into the inverted T-shaped sliding groove 9 by the first spring 14 to prevent the inverted T-shaped sliding block 8 from moving, and the protective belt seat 5 is firmly fixed on the clamping seat 6 as shown in figure 1.

Fig. 3 is a sectional view of a second wheelchair extremity fixing and protecting device, wherein the clamping seat 6 is fixedly arranged at the wheelchair armrest 33. When the protective belt seat 5 is used, the protective belt seat 5 is clamped into the clamping seat 6 at the position of the wheelchair armrest 33, the arm of a rider can be placed in the arc-shaped groove 36 of the protective belt seat 5 for fixing, and when the protective belt seat is not used, the L-shaped control rod 12 can be pressed to detach the protective belt seat 5 from the clamping seat 6 at the position of the wheelchair armrest 33.

Fig. 4 is a sectional view of a third wheelchair extremity restraint, with a seat 6 fixedly mounted on the wheelchair footboard 34. When the protective belt seat 5 is used, the protective belt seat 5 is clamped into the clamping seat 6 at the pedal 34 of the wheelchair, the foot of a rider can be placed in the arc-shaped groove 36 of the protective belt seat 5 for fixing, and when the protective belt seat 5 is not used, the L-shaped control rod 12 can be pressed to detach the protective belt seat 5 from the clamping seat 6 at the pedal 34 of the wheelchair.

Fig. 5 is a sectional view of a fourth wheelchair extremity restraint, with a cartridge 6 fixedly mounted on the back 35 of the wheelchair. When the protective belt seat 5 is used, the protective belt seat 5 is clamped into the clamping seat 6 at the position of the wheelchair backrest 35, the trunk of a rider can be placed in the arc-shaped groove 36 of the protective belt seat 5 for fixing, and when the protective belt seat is not used, the L-shaped control rod 12 can be pressed to detach the protective belt seat 5 from the clamping seat 6 at the position of the wheelchair backrest 35.

The foregoing description is only illustrative of the principles of the invention, and various changes and modifications can be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.

Claims

1. The utility model provides a protection device is fixed to wheelchair four limbs, by mount pad (1), boundary belt (2), fix the U-shaped of boundary belt (2) one end colludes (3) and with the U-shaped colludes (3) assorted latch closure (4) and constitutes its characterized in that: the mounting seat (1) comprises a protective belt seat (5) and a clamping seat (6), the protective belt (2) and the buckle (4) are fixedly mounted on the upper surface of the protective belt seat (5), and an automatic protective belt winding device (7) is arranged at the joint of the protective belt (2) and the protective belt seat (5); an inverted T-shaped sliding block (8) is arranged on the lower surface of the protective belt seat (5), an inverted T-shaped sliding groove (9) which is matched with the inverted T-shaped sliding block (8) and penetrates through one side of the clamping seat (6) is arranged on the upper surface of the clamping seat (6), and the inverted T-shaped sliding block (8) can move along the inverted T-shaped sliding groove (9); a mounting cavity (10) perpendicular to the extending direction of the inverted T-shaped sliding groove (9) is arranged in the clamping seat (6), the upper part of the mounting cavity (10) penetrates through the inverted T-shaped sliding groove (9), and a guide hole (11) penetrating through one side of the clamping seat (6) is formed in the lower part of the mounting cavity (10); an L-shaped control rod (12) is movably mounted in the guide hole (11), one end of the L-shaped control rod (12) extends out of the guide hole (11) to the outer side of the clamping seat (6), a limiting block (13) which can extend into the inverted T-shaped sliding groove (9) is fixed at the upper part of the L-shaped control rod (12), and the extending direction of the limiting block (13) is the same as that of the L-shaped control rod (12); a first spring (14) is arranged between the L-shaped control rod (12) and the mounting cavity (10).

2. The wheelchair extremity restraint apparatus of claim 1, wherein: the automatic protective belt winding device (7) comprises a protective belt storage box (15), and a shaft (16) is fixed in the protective belt storage box (15); the protective belt storage box (15) is provided with a long-strip-shaped opening (17) parallel to the shaft (16), and the protective belt (2) can enter the protective belt storage box (15) from the long-strip-shaped opening (17); a protective belt winding wheel (18) is rotatably arranged on the shaft (16), and the protective belt winding wheel (18) is fixedly connected with the protective belt (2); a clockwork spring (19) which can completely wind the protective belt (2) on the protective belt winding wheel (18) is arranged between the protective belt winding wheel (18) and the shaft (16); an arc-shaped brake block (20) matched with the protective tape winding wheel (18) is arranged between the protective tape winding wheel (18) position where the protective tape (2) is not wound and the protective tape storage box (15), a pull handle (21) is arranged on one side, away from the protective tape winding wheel (18), of the arc-shaped brake block (20), a hole (22) is formed in the protective tape storage box (15) corresponding to the pull handle (21), and the pull handle (21) extends out of the hole (22) and can move along the hole (22); and a second spring (23) which is sleeved on the outer side of the pull handle (21) and can enable the circular arc-shaped brake block (20) to be completely attached to the protective tape winding wheel (18) is arranged between the circular arc-shaped brake block (20) and the protective tape storage box (15), and when the circular arc-shaped brake block (20) and the protective tape winding wheel (18) are in a completely attached state, the protective tape winding wheel (18) cannot rotate around the shaft (16).

3. The wheelchair extremity restraint apparatus of claim 1, wherein: two opposite arc-shaped clamping pieces (24) are fixed below the clamping seat (6); a first pressing block (25) and a second pressing block (26) are respectively arranged below the two arc-shaped clamping pieces (24), a groove (27) is formed in the outer side of the first pressing block (25), and a nut (28) matched with the groove in shape is arranged in the groove (27); a first through hole (29) and a second through hole (30) are respectively formed in the corresponding positions of the first compression block (25), the second compression block (26) and the nut (28), a bolt (31) with threads matched with the nut (28) is arranged inside the first through hole (29) and the second through hole (30), and the bolt (31) is screwed on the nut (28); the bolt (31) is hinged with a circular arc handle (32).

4. The wheelchair extremity restraint apparatus of claim 1, wherein: the clamping seat (6) is fixedly arranged at the position of the wheelchair armrest (33).

5. The wheelchair extremity restraint apparatus of claim 1, wherein: the clamping seat (6) is fixedly arranged at a pedal (34) of the wheelchair.

6. The wheelchair extremity restraint apparatus of claim 1, wherein: the clamping seat (6) is fixedly arranged at the chair back (35) of the wheelchair.