CN108433896A

CN108433896A - A kind of hand propelled wheelchair convenient for stair activity

Info

Publication number: CN108433896A
Application number: CN201810370453.1A
Authority: CN
Inventors: 陈芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-04-24
Filing date: 2018-04-24
Publication date: 2018-08-24

Abstract

The present invention relates to the field of medical instrument technology, and disclose a kind of hand propelled wheelchair convenient for stair activity, including fixed case, the front and back of the fixed case is movably installed with fixing axle, the equal fixing sleeve in one end of two fixing axles is equipped with, the medial surface of two fixed disks is fixedly connected by fixing bolt and respectively with the front and back of fixed case, and the other end thread bush of fixing axle is equipped with fixed spiral shell block.This is convenient for the hand propelled wheelchair of stair activity, pass through the inside promotion of push rod, pushing block is driven to squeeze push the spring, so that elastic deformation occurs for push the spring, limiting slot is detached from by one end of push rod again, realize moving down for supporting rod, utilize the setting of two limiting slots, convenient for extending downwardly for slide plate, so that slide plate is located at the lower section of foreign steamer, is conducive to the movement when wheelchair stair activity, medical staff is avoided to have wheelchair and patient stair activity together in arms, huge work load is caused to medical staff, decreases the generation of safety accident.

Description

A kind of hand propelled wheelchair convenient for stair activity

Technical field

The present invention relates to the field of medical instrument technology, specially a kind of hand propelled wheelchairs convenient for stair activity.

Background technology

Wheelchair is the important tool of rehabilitation, it is not only the walking-replacing tool of limbs the disabled and people with mobility problems with wheelchair, Them are more importantly made to carry out physical exercise by means of wheelchair and participate in social activities, common wheelchair is generally by wheelchair frame, vehicle Wheel, brake gear and four parts composition is seated against, hand wheelchair increases manual setter, electric wheelchair exists on the basis of common wheelchair On the basis of common wheelchair, increases electronics force aid system, alleviate the physical demands of user, base of the intelligent wheel chair in electric wheelchair On plinth, mobile positioning, standing movement, remote-controlled movement and associated internet assisted living are increased.

Common wheelchair is exactly that general curative equipment is on sale throughout the wheelchair sold, and is generally exactly the shape of a chair, four wheels, Trailing wheel is larger, and hand-pushing wheel, brake is added also to be added in trailing wheel, and front-wheel is smaller, for turning to, is adding an anti-tip wheel behind wheelchair, and one As wheelchair it is lighter, can fold and pack up, be applicable in it is general there is something special, or short-term handicapped person is not suitable for sitting, from material On be further divided into：Iron pipe baking vanish（, steel pipe plating, aluminium alloy, boat too aluminium alloy and almag, special wheelchair regards patient's feelings Depending on condition, there are many different accessories, such as reinforce loading capacity, special cushion or backrest, neck support system, leg be adjustable, Dining table with separable parts etc., electric wheelchair is exactly the wheelchair plus electro-motor, according to maneuverability pattern, useful rocking bar, also useful head The various switch control in portion or pressure-vaccum system etc., for leaden paralysis or larger displacement distance person is needed, as long as it recognizes energy If power is pretty good, the use of electric wheelchair is a good selection, but needs larger activity space.

Currently, wheelchair on the market, in stair activity, very inconvenient movement needs when medical staff looks after patient It has wheelchair and patient stair activity together in arms, huge work load is caused to medical staff, meanwhile, when moving, greatly may Safety accident occurs, causes unnecessary damage, the backrest inclination angle of wheelchair cannot be according to the specifically used feelings of patient at present Condition is adjusted, and causes patient to take uncomfortable, for this purpose, it is proposed that a kind of hand propelled wheelchair convenient for stair activity.

Invention content

（One）The technical issues of solution

In view of the deficiencies of the prior art, the present invention provides a kind of hand propelled wheelchair convenient for stair activity, has stair activity It is mobile quick, safe the advantages that taking, solve wheelchair on the market in stair activity, very inconvenient movement, medical care people When member looks after patient, needs to have wheelchair and patient stair activity together in arms, huge work load is caused to medical staff, meanwhile, When moving, safety accident may greatly occur, cause unnecessary damage, the backrest inclination angle of wheelchair cannot basis at present The particular condition in use of patient is adjusted, and patient is caused to take uncomfortable problem.

（Two）Technical solution

To realize that above-mentioned stair activity movement is quick, the purpose taken safely, the present invention provides the following technical solutions：One kind is convenient for The hand propelled wheelchair of stair activity, including fixed case, the front and back of the fixed case are movably installed with fixing axle, two The equal fixing sleeve in one end of the fixing axle is equipped with, the medial surfaces of two fixed disks by fixing bolt and respectively with fixed case Front and back be fixedly connected, the other end thread bush of the fixing axle is equipped with fixed spiral shell block, the shape of the fixed spiral shell block It is installed with supporting rack for regular hexagon and each side, foreign steamer is installed on the outside of six support frames as described above, it is described Top on the left of fixed case is installed with fixed plate, and grooving is offered at the top of the fixed plate, and the inside of the grooving is lived Dynamic to be set with backboard, the top on the inside of the backboard is installed with bolster, the inside fixing sleeve of the backboard bottom end Equipped with movable axis, the both ends of the movable axis extend through and extend to the outside of fixed plate both sides and are movably installed with limit The medial surface of disk, two position-arresting disks is fixedly connected with the both sides of fixed plate respectively, and the front of the position-arresting disk is fixedly mounted There is limited block, the quantity of the limited block is eight, and eight limited blocks are symmetrical, the activity with the axle center of position-arresting disk The inside of axis is installed with fixed block, and the quantity of the fixed block is two and is distributed with the central symmetry of movable axis, described The lateral surface of fixed block offers limiting slot, and the internal activity of the limiting slot is socketed with pull rod, two pull rods it is another End is run through and extends to the outside at movable axis both ends and be installed with handle, the medial surface of the handle and movable axis it is outer There are gap, the top and bottom of the handle medial surface are installed with positive stop strip for side, two positive stop strips it is another One end is located between two limited blocks and is flexibly connected with the front of position-arresting disk, and the middle part fixing sleeve of the pull rod is equipped with to be located at and live The lateral surface of motion block inside moving axis, the motion block is sequentially connected by the inner wall of extension spring and backboard, the drawing Spring movable set is stretched in the outer surface of pull rod.

Preferably, the inner wall of the fixed case both sides offers card slot, and the quantity of the card slot is two, the fixed case Loop bar is installed at the top of inner cavity, the bottom end of the loop bar is movably installed with supporting rod, and the bottom end of the supporting rod is run through And it extends to the outside of fixed case bottom end and is installed with slide plate.

Preferably, the top of the supporting rod side is installed with damper box, the side movable set of the damper box There is push rod.

Preferably, the left end of the push rod passes through card slot and extends to the outside of fixed case side, the push rod it is another End is through damper box and extends to the inside of supporting rod and the outer wall pivot bush unit with supporting rod.

Preferably, the middle part fixing sleeve of the push rod is equipped with pushing block, and the pushing block is located at the inside of damper box, described The medial surface of pushing block is sequentially connected by the outer wall of push the spring and supporting rod.

Preferably, substrate, the left side of the substrate and the right side of fixed plate are installed at the top of the fixed case It is fixedly connected, backing plate is installed at the top of the substrate.

Preferably, the both sides of the substrate are installed with support plate by clamping screw, and the top of the support plate is fixed Handrail is installed.

Preferably, it is installed with connecting rod on the right side of the fixed case, branch is installed on the right side of the connecting rod The bottom of bracer, the supporting block is installed with mounting blocks, and the bottom end on the right side of the supporting block is installed with foot pedal.

Preferably, the bottom end of the mounting blocks is installed with mounting rod, and the side of the mounting rod is installed with axis Bar is movably installed with front-wheel in the middle part of the shaft.

（Three）Advantageous effect

Compared with prior art, the present invention provides a kind of hand propelled wheelchair convenient for stair activity, has following advantageous effect：

1, pushing block should be driven to squeeze push the spring, made by the inside promotion of push rod convenient for the hand propelled wheelchair of stair activity It obtains push the spring and elastic deformation occurs, then limiting slot is detached from by one end of push rod, realize moving down for supporting rod, utilize two The setting of a limiting slot, convenient for extending downwardly for slide plate so that slide plate is located at the lower section of foreign steamer, is conducive to the wheelchair stair activity When movement, avoid medical staff from having wheelchair and patient stair activity together in arms, huge work load caused to medical staff, Reduce the generation of safety accident.

2, pulling out for handle should be passed through convenient for the hand propelled wheelchair of stair activity so that one end of pull rod is detached from limit Position slot, positive stop strip connect disconnection with two limited blocks, is conducive to the overturning of backboard, then passes through eight limited blocks and position-arresting disk Mating reaction so that positive stop strip is located between two different limited blocks, is conducive to the adjusting of backboard flip angle, avoids general Logical wheelchair cannot be adjusted according to the particular condition in use of patient, reduced so as to cause comfort level, influenced to use.

3, it should be used cooperatively, had by fixing axle, fixed disk, fixing bolt convenient for hand propelled wheelchair of stair activity Conducive to the installation and dismounting of fixed spiral shell block, is conducive to that the foreign steamer of the wheelchair is overhauled and replaced, avoids the wheel of common wheelchair Son damages and is difficult to replace, and causes very big inconvenience, then by the effect of bolster, is conducive to the comfort level for improving patient.

Description of the drawings

Fig. 1 is schematic structural view of the invention；

Fig. 2 is front cross-sectional structural schematic diagram of the present invention；

Fig. 3 is the side, sectional structural schematic diagram of backboard of the present invention；

Fig. 4 is the close-up schematic view at A in Fig. 2.

In figure：Disk, 4 fixing bolts, 5 fixation spiral shell blocks, 6 supporting racks, 7 foreign steamers, 8 fixations are fixed in 1 fixed case, 2 fixing axles, 3 Plate, 9 groovings, 10 backboards, 11 movable axis, 12 position-arresting disks, 13 limited blocks, 14 fixed blocks, 15 limiting slots, 16 pull rods, 17 are passively Block, 18 handles, 19 positive stop strips, 20 extension springs, 21 bolsters, 22 loop bars, 23 supporting rods, 24 damper boxs, 25 push rods, 26 push Block, 27 push the springs, 28 card slots, 29 substrates, 30 clamping screws, 31 support plates, 32 handrails, 33 backing plates, 34 connecting rods, 35 supports Block, 36 mounting blocks, 37 mounting rods, 38 shafts, 39 front-wheels, 40 foot pedals, 41 slide plates.

Specific implementation mode

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

- 2 are please referred to Fig.1, a kind of hand propelled wheelchair convenient for stair activity, including fixed case 1, the right side of fixed case 1 are solid Dingan County is equipped with connecting rod 34, and the right side of connecting rod 34 is installed with supporting block 35, and the bottom of supporting block 35 is installed with peace Block 36 is filled, the bottom end of mounting blocks 36 is installed with mounting rod 37, and the side of mounting rod 37 is installed with shaft 38, shaft 38 Middle part be movably installed with front-wheel 39, the bottom end on 35 right side of supporting block is installed with foot pedal 40, and the top of fixed case 1 is fixed Substrate 29 is installed, the both sides of substrate 29 are installed with support plate 31 by clamping screw 30, and peace is fixed at the top of support plate 31 Equipped with handrail 32, the left side of substrate 29 is fixedly connected with the right side of fixed plate 8, and the top of substrate 29 is installed with backing plate 33, the inner wall of 1 both sides of fixed case offers card slot 28, and the quantity of card slot 28 is two, and the top of 1 inner cavity of fixed case is fixedly mounted There are loop bar 22, the bottom end of loop bar 22 to be movably installed with supporting rod 23, the top of 23 side of supporting rod is installed with damper box 24, The side of damper box 24 is movably installed with push rod 25, by the inside promotion of push rod 25, pushing block 26 is driven to squeeze push the spring 27 so that elastic deformation occurs for push the spring 27, then is detached from limiting slot 28 by one end of push rod 25, realize supporting rod 23 to Lower movement, using the setting of two limiting slots 28, convenient for extending downwardly for slide plate 41 so that slide plate 41 is located at the lower section of foreign steamer 7, Be conducive to the movement when wheelchair stair activity, avoid medical staff from having wheelchair and patient stair activity together in arms, to medical care people Member causes huge work load, decreases the generation of safety accident, and the middle part fixing sleeve of push rod 25 is equipped with pushing block 26, pushes Block 26 is located at the inside of damper box 24, and the medial surface of pushing block 26 is driven by the outer wall of push the spring 27 and supporting rod 23 to be connected It connects, the left end of push rod 25 passes through card slot 28 and extends to the outside of 1 side of fixed case, and the other end of push rod 25 runs through damper box 24 And the inside of supporting rod 23 and the outer wall pivot bush unit with supporting rod 23 are extended to, the bottom end of supporting rod 23 is run through and is extended to solid Determine the outside of 1 bottom end of case and be installed with slide plate 41, the front and back of fixed case 1 is movably installed with fixing axle 2, two The equal fixing sleeve in one end of fixing axle 2 is equipped with 3, the medial surfaces of two fixed disks 3 by fixing bolt 4 and respectively with fixed case 1 Front and back is fixedly connected, and the other end thread bush of fixing axle 2 is equipped with fixed spiral shell block 5, and the shape of fixed spiral shell block 5 is positive six side Shape and each side are installed with supporting rack 6, and the outside of six supporting racks 6 is installed with foreign steamer 7, by fixing axle 2, admittedly Price fixing 3, fixing bolt 4 are used cooperatively, and are conducive to the installation and dismounting of fixed spiral shell block 5, be conducive to the foreign steamer 7 of the wheelchair into Row maintenance and replacement, avoid the wheel damage of common wheelchair and are difficult to replace, cause very big inconvenience, then the work by bolster 21 With being conducive to the comfort level for improving patient, the top in the left side of fixed case 1 is installed with fixed plate 8, and the top of fixed plate 8 is opened Equipped with grooving 9, the internal activity of grooving 9 is set with backboard 10, and the top of 10 inside of backboard is installed with bolster 21, leans on The inside fixing sleeve of 10 bottom end of backboard is equipped with movable axis 11, and the both ends of movable axis 11 extend through and extend to 8 both sides of fixed plate Outside and be movably installed with position-arresting disk 12, the medial surface of two position-arresting disks 12 is fixedly connected with the both sides of fixed plate 8 respectively, limit The front of position disk 12 is installed with limited block 13, and the quantity of limited block 13 is eight, and eight limited blocks 13 are with position-arresting disk 12 Axle center be symmetrical, the inside of movable axis 11 is installed with fixed block 14, and the quantity of fixed block 14 is two and with movable axis 11 central symmetry distribution, the lateral surface of fixed block 14 offer limiting slot 15, and the internal activity of limiting slot 15 is socketed with pull rod 16, the other end of two pull rods 16 runs through and extends to the outside at 11 both ends of movable axis and be installed with handle 18, passes through Handle 18 pulls out so that and one end of pull rod 16 is detached from limiting slot 15, and positive stop strip 19 connect disconnection with two limited blocks 13, Be conducive to the overturning of backboard 10, then the mating reaction by eight limited blocks 13 and position-arresting disk 12 so that positive stop strip 19 is located at Between two different limited blocks 13, is conducive to the adjusting of 10 flip angle of backboard, avoids common wheelchair cannot be according to patient Particular condition in use adjust, reduced so as to cause comfort level, influence to use, the medial surface of handle 18 is outer with movable axis 11 There are gap, the top and bottom of 18 medial surface of handle are installed with positive stop strip 19 for side, two positive stop strips 19 it is another End is located between two limited blocks 13 and is flexibly connected with the front of position-arresting disk 12, and the middle part fixing sleeve of pull rod 16 is equipped with to be located at and live The lateral surface of motion block 17 inside moving axis 11, motion block 17 is sequentially connected by the inner wall of extension spring 20 and backboard 10, 20 movable set of extension spring is in the outer surface of pull rod 16.

When work, stretch out handle 18, positive stop strip 19 is separated with position-arresting disk 12, motion block 17 with pull rod 16 move and to Outer movement, along 11 invertible back support plate 10 of movable axis, waits for the overturning of backboard 10 to conjunction when the inner end of pull rod 16 is detached from limiting slot 15 After suitable angle, releasing lever 16, inner end and the limiting slot 15 of pull rod 16 reconnect, and positive stop strip 19 is caught in two limited blocks again Between 13, the backboard 10 after angular adjustment is fixed, and is taken for patient, when needing stair activity, inside pressure-ram 25, push rod 25 drives pushing block 26 to squeeze push the spring 27, to the internal stretch of supporting rod 23, waits for that the outer end of push rod 25 is completely de- When from card slot 28, slide plate 41 is pulled downward on, while lifting the wheelchair slightly upwards, until push rod 25 reenters next card slot 28, at this time foreign steamer 7 be in the top of slide plate 41 and hanging, push slide plate 41 to be slided to stair.

In conclusion pushing block 26 should be driven by the inside promotion of push rod 25 convenient for the hand propelled wheelchair of stair activity Squeeze push the spring 27 so that elastic deformation occurs for push the spring 27, then is detached from limiting slot 28 by one end of push rod 25, realizes Supporting rod 23 moves down, using the setting of two limiting slots 28, convenient for extending downwardly for slide plate 41 so that slide plate 41 is located at The lower section of foreign steamer 7 is conducive to the movement when wheelchair stair activity, and avoiding medical staff from having in arms, wheelchair and patient are upper together to go downstairs Ladder causes huge work load to medical staff, decreases the generation of safety accident；By pulling out for handle 18, make The one end for obtaining pull rod 16 is detached from limiting slot 15, and positive stop strip 19 connect disconnection with two limited blocks 13, is conducive to turning over for backboard 10 Turn, then pass through the mating reaction of eight limited blocks 13 and position-arresting disk 12 so that positive stop strip 19 is located at two different limited blocks 13 Between, be conducive to the adjusting of 10 flip angle of backboard, avoid common wheelchair that from cannot being adjusted according to the particular condition in use of patient Section reduces so as to cause comfort level, influences to use；It is used cooperatively, is conducive to by fixing axle 2, fixed disk 3, fixing bolt 4 The installation and dismounting of fixed spiral shell block 5, are conducive to that the foreign steamer 7 of the wheelchair is overhauled and replaced, avoid the wheel of common wheelchair It damages and is difficult to replace, cause very big inconvenience, then by the effect of bolster 21, be conducive to the comfort level for improving patient；It solves Wheelchair on the market is in stair activity, very inconvenient movement, when medical staff looks after patient, needs to have wheelchair and patient in arms Stair activity together causes huge work load to medical staff, meanwhile, when moving, safety accident may greatly occur, make At unnecessary damage, the backrest inclination angle of wheelchair cannot be adjusted according to the particular condition in use of patient at present, cause to suffer from Person takes uncomfortable problem.

It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims

1. a kind of hand propelled wheelchair convenient for stair activity, including fixed case（1）, it is characterised in that：The fixed case（1）Just Face and the back side are movably installed with fixing axle（2）, two fixing axles（2）The equal fixing sleeve in one end be equipped with（3）, described in two Fixed disk（3）Medial surface pass through fixing bolt（4）And respectively with fixed case（1）Front and back be fixedly connected, it is described solid Dead axle（2）Other end thread bush fixed spiral shell block is housed（5）, the fixed spiral shell block（5）Shape be regular hexagon and each side It is installed with supporting rack（6）, six support frames as described above（6）Outside be installed with foreign steamer（7）, the fixed case（1） Fixed plate is installed at the top of left side（8）, the fixed plate（8）Top offer grooving（9）, the grooving（9）'s Internal activity is set with backboard（10）, the backboard（10）Bolster is installed at the top of inside（21）, the backrest Plate（10）The inside fixing sleeve of bottom end is equipped with movable axis（11）, the movable axis（11）Both ends extend through and extend to fixation Plate（8）The outside of both sides and it is movably installed with position-arresting disk（12）, two position-arresting disks（12）Medial surface respectively with fixed plate （8）Both sides be fixedly connected, the position-arresting disk（12）Front be installed with limited block（13）, the limited block（13）Number Amount is eight, and eight limited blocks（13）With position-arresting disk（12）Axle center be symmetrical, the movable axis（11）Inside it is solid Dingan County is equipped with fixed block（14）, the fixed block（14）Quantity be two and with movable axis（11）Central symmetry distribution, institute State fixed block（14）Lateral surface offer limiting slot（15）, the limiting slot（15）Internal activity be socketed with pull rod（16）, Two pull rods（16）The other end run through and extend to movable axis（11）The outside at both ends and it is installed with handle （18）, the handle（18）Medial surface and movable axis（11）Lateral surface there are gap, the handles（18）The top of medial surface Portion and bottom are installed with positive stop strip（19）, two positive stop strips（19）The other end be located at two limited blocks（13）It Between and and position-arresting disk（12）Front flexible connection, the pull rod（16）Middle part fixing sleeve be equipped be located at movable axis（11）It is internal Motion block（17）, the motion block（17）Lateral surface pass through extension spring（20）With backboard（10）Inner wall transmission connect It connects, the extension spring（20）Movable set is in pull rod（16）Outer surface.

2. a kind of hand propelled wheelchair convenient for stair activity according to claim 1, it is characterised in that：The fixed case （1）The inner wall of both sides offers card slot（28）, the card slot（28）Quantity be two, the fixed case（1）The top of inner cavity It is installed with loop bar（22）, the loop bar（22）Bottom end be movably installed with supporting rod（23）, the supporting rod（23）Bottom End is run through and extends to fixed case（1）The outside of bottom end and it is installed with slide plate（41）.

3. a kind of hand propelled wheelchair convenient for stair activity according to claim 2, it is characterised in that：The supporting rod （23）The top of side is installed with damper box（24）, the damper box（24）Side be movably installed with push rod（25）.

4. a kind of hand propelled wheelchair convenient for stair activity according to claim 3, it is characterised in that：The push rod（25） Left end pass through card slot（28）And extend to fixed case（1）The outside of side, the push rod（25）The other end run through damper box （24）And extend to supporting rod（23）Inside and and supporting rod（23）Outer wall pivot bush unit.

5. a kind of hand propelled wheelchair convenient for stair activity according to claim 4, it is characterised in that：The push rod（25） Middle part fixing sleeve be equipped with pushing block（26）, the pushing block（26）Positioned at damper box（24）Inside, the pushing block（26） Medial surface pass through push the spring（27）With supporting rod（23）Outer wall be sequentially connected.

6. a kind of hand propelled wheelchair convenient for stair activity according to claim 1, it is characterised in that：The fixed case （1）Top be installed with substrate（29）, the substrate（29）Left side and fixed plate（8）Right side be fixedly connected, institute State substrate（29）Top be installed with backing plate（33）.

7. a kind of hand propelled wheelchair convenient for stair activity according to claim 6, it is characterised in that：The substrate（29） Both sides pass through clamping screw（30）It is installed with support plate（31）, the support plate（31）Top be installed with handrail （32）.

8. a kind of hand propelled wheelchair convenient for stair activity according to claim 1, it is characterised in that：The fixed case （1）Right side be installed with connecting rod（34）, the connecting rod（34）Right side be installed with supporting block（35）, the branch Bracer（35）Bottom be installed with mounting blocks（36）, the supporting block（35）The bottom end on right side is installed with foot pedal （40）.

9. a kind of hand propelled wheelchair convenient for stair activity according to claim 8, it is characterised in that：The mounting blocks （36）Bottom end be installed with mounting rod（37）, the mounting rod（37）Side be installed with shaft（38）, the axis Bar（38）Middle part be movably installed with front-wheel（39）.