CN209187258U - Wheelchair - Google Patents

Abstract

A kind of wheelchair includes chair frame, two handrails, two handrails, multiple wheels and an at least pedal gear；Two handrails, the chair frame is connected in telescopic manner, and it is located at the two sides of the chair frame, two handrails are separately connected respectively two handrail, handrail can armrest bar be moved forward and backward in a horizontal direction, multiple wheels are connected to the bottom of chair frame, an at least pedal gear includes a connecting rod and a foot pedal, the connecting rod is articulated in the front side of chair frame, and the foot pedal is articulated in connecting rod, make connecting rod that foot pedal can be driven to carry out pivot pendulum with pivot end, similarly foot pedal also can carry out pivot pendulum with respect to connecting rod；Wheelchair is set to be adjusted according to the figure and demand of user by above-mentioned design.

Description

Wheelchair

Technical field

The utility model is related with action accessory；Particularly relate to a kind of wheelchair.

Background technique

Medical technology is maked rapid progress, so that modern is more and more long-lived, but long-lived still unavoidable with each organ function of body Can aging, aging make human body it is calcareous be easy to run off, muscle is insufficient or four limbs are degenerated, daily life Chang Bixu relies on wheelchair at this time Action could be facilitated, in addition to this, or because accident is injured or because disease causes causes bad must also be dependent on wheelchair in row and carry out It is mobile, therefore wheelchair is one of optimal action accessory of handicapped person.

The set-up mode of the pedal of existing wheelchair must be first when so that user being intended to stand up from the posture being sitting on wheelchair Foot is crossed pedal and stepped on toward extension and is just stood up to the ground, when the user for so easily causing figure petite faces leap Puzzlement or the more powerless user of lower limb, because that foot is toward extension is too far from trunk and gravity center instability, bad force are stood up, institute Improvement with foot pedal is the project to merit attention.

In addition, secondary project is the adjustment of handrail, the handrail of existing wheelchair only can be carried out the lifting in vertical direction Height adjusts, although increasing in the handrail height being adjusted, length in the horizontal direction does not increase and decrease accordingly then, And it be easy to cause user to generate sitting posture bad, uncomfortable or can not because the length of handrail is inappropriate when placing arm The case where smoothly controlling the remote controler being set on handrail generation, therefore, existing wheelchair can not be adapted to the use of various figures Person, and have the place urgently improved.

Utility model content

In view of this, the main purpose of the utility model is to provide a kind of wheelchair, convenient for users to from the wheelchair standing up.

In addition, the secondary objective of the utility model is to provide a kind of wheelchair, can convenient for users to according to personal figure, multiply Sit level of comfort, adjustment handrail in the horizontal direction with the position in vertical direction relative to human body.

In order to reach above-mentioned main purpose, a kind of wheelchair provided by the utility model includes chair frame, two handrails, two helps Hand, multiple wheels and an at least pedal gear；The two sides of chair frame are arranged in two handrail, respectively wherein one are somebody's turn to do to connect Two handrails；Multiple wheels are connected to the bottom of the chair frame；An at least pedal gear, includes a connecting rod and a foot pedal, One end of the connecting rod is hubbed at the front side of the chair frame in a manner of energy pivot pendulum, and the other end and the foot pedal are pivotally connected.

In an embodiment, further, two handrail of aforementioned wheelchair has separately included one first bar and one second Bar, the first bar connect chair frame, and the second bar is arranged on first bar and the second bar can be mobile relative to the first bar, makes on the second bar One end have displacement in the horizontal direction and the vertical direction.

Wherein, the second bar of two handrail by can along the oblique displacement of extending direction of first bar in a manner of be installed on On first bar.

Wherein, the end of second bar is provided with a body of rod, which includes a sliding rail, which is arranged in the cunning Rail makes the end of second bar connect the handrail.

Wherein, two handrail is respectively can be installed on this in a manner of mobile in a horizontal direction relative to two handrail In two handrails.

Wherein, which has multiple second positioning regions；Under one second use state, at least 2 second positioning regions With at least 2, first positioning region is combined, and can not be put relative to an at least support base pivot with limiting the connecting rod.

Wherein, the quantity of an at least pedal gear is two, which is respectively provided with an interconnecting piece and one tramples Portion, which is pivotally connected respectively with the interconnecting piece and two connecting rod, so that respectively the foot pedal can be with the respectively connecting rod The position of pivot joint is that fulcrum is put in one using pivot between position and a reception position, when this uses position, the stampeding section phase To far from the connecting rod, when the reception position, the relatively close connecting rod in the stampeding section.

In another embodiment, which includes a body frame and an at least support base, at least support base connection On front side of the body frame, and an at least support base has multiple first positioning regions；Under one first use state, at least one is stepped on for this The connecting rod of trigger structure is hubbed on wherein first positioning region, and can be put relative to an at least support base pivot.

Wherein, the quantity of an at least support base is two, and two support base is articulated in the front end of the chair frame, and can be opposite In the lateral pivot pendulum of the chair frame.

The effect of the utility model is: foot pedal is hubbed at the front side of chair frame by connecting rod, and user is enabled to be intended to from peace Seat can push foot pedal to put toward chair frame direction pivot, so that both feet can when the state of chair frame is stood up with double-legged (such as heel) It tramples and is supported in the ground for being closer to trunk, make double-legged standing place close to the centre of body weight of user, convenient for users to certainly Wheelchair is stood up.In addition, enabling the handrail of connection handrail to adjust height and horizontal distance by the design of handrail, making Handrail can in response to the demand of different users carry out horizontal direction on the adjustment in vertical direction.

Detailed description of the invention

Fig. 1 is the perspective view of the wheelchair of one preferred embodiment of the utility model.

Fig. 2 is the flexible schematic diagram of the handrail of the wheelchair of above preferred embodiment.

Fig. 3 is the cut-away view of Fig. 1 handrail and handrail junction 3-3.

Fig. 4 is the cut-away view of Fig. 1 handrail and handrail junction 3-3.

Fig. 5 is the schematic diagram that the handrail of the wheelchair of above preferred embodiment moves in the horizontal direction.

Fig. 6 is the schematic diagram of the mobile pedal gear of user.

Fig. 7 is the mobile schematic diagram of Fig. 6 pedal gear.

Fig. 8 is the schematic diagram of foot pedal folding.

[primary clustering]

100 wheelchairs

10 chair frames

11 seat, 12 chair back, 13 handle

14 connecting pin body frame 14a, 15 support base

16 convergence piece of the first positioning region 15a, 17 remote controler

20 handrails

22 first bar, 24 second end bar 24a

24b the first accommodation groove the second accommodation groove of 24c

30 handrails

32 sliding rail 32a fixation hole 32b sliding slots

34 body of rod 34a fixed part 34b control units

36 spring of 34c moving portion

40 wheels

42 main wheel, 44 driven wheel 46 takes turns bar

50 pedal gears

52 the second positioning region connecting rod 52a, 54 foot pedal

The stampeding section 54a interconnecting piece 54b

The first position the P1 second position P2 P3 the third place

The 4th position P5 of P4 uses position P6 reception position

The oblique displacement of H horizontal direction V vertical direction M1

M2 is moved forward and backward

Specific embodiment

In order to be illustrated more clearly that the utility model, hereby lifts preferred embodiment and cooperate schema detailed description is as follows.Please Join shown in Fig. 1 to Fig. 6, is the wheelchair 100 of the preferred embodiment in the utility model, it includes have a chair frame 10, two handrails 20, two Handrail 30, multiple wheels 40 and an at least pedal gear 50.

The chair frame 10 is taken with for user；Two handrail 20 connects the chair frame 10 and is located at the chair frame 10 Two sides；Two handrail 30 is separately connected two handrail 20；These wheels 40 are connected to the bottom of the chair frame 10；The pedal exerciser Structure 50 is articulated in the front side of chair frame 10, and the pedal gear 50 can be put pivot between a first position P1 and a second position P2, And when the P1 of first position, which is relatively distant from the chair frame 10, when the P2 of the second position, 50 phase of pedal gear To close to the chair frame 10.

It will be detailed below the construction and connection relationship of above-mentioned each component:

In this present embodiment, which includes a seat 11 and a chair back 12, and the seat 11 is with for user It takes, and the support of user's buttocks is provided；The chair back 12 is located at the rear side of the chair frame 10, with for user's back-resting, chair 12 top of back is provided with two handles 13, and two handle 13 is contour and is set in parallel in the two sides of the chair back 12, which uses For holding to push wheelchair 100.Further, in this present embodiment, which further includes having a body frame 14 and at least One support base 15, the body frame 14 are equipped with the seat 11 and the chair back 12；Support base 15 passes through a convergence piece 16 and 14 phase of body frame Connection, and support base 15 is articulated in convergence piece 16, so that support base 15 is put relative to 10 side of chair frame to pivot, which sets There are multiple first positioning region 15a.In this present embodiment, this at least the quantity of a support base 15 and convergence piece 16 be two；It is main Frame 14 is arranged under seat 11 and is connected with the two sides of seat 11, and the one end of body frame 14 far from the chair back 12 is front side, and is had There are two connecting pin 14a respectively to connect two convergence pieces 16, two convergence pieces 16 are also located at the two sides of seat 11 at this time.

In this present embodiment, the structure of two handrail 20 is roughly the same, therefore below with wherein one 20 explanation of handrail Its structure.

There is the handrail 20 one first bar 22 and one second bar 24, one end of first bar 22 to be set to chair frame 10, And one end of its setting enables the first bar 22 in the chair back close to the joint of the chair back 12 and seat 11 by the connection type being pivoted Pivot is put in angular range between 12 and seat 11.Second bar 24 is with can be along the oblique displacement of extending direction of first bar 22 Mode be installed on first bar 22, and second bar 24 can be with respect to first bar 22 in a third place P3 and 1 It is moved between four position P4, when second bar 24 is moved to the 4th position P4 by the third place P3, or by the 4th position P4 When being moved to the third place P3, which has a displacement on H and vertical direction V in the horizontal direction, with Δ H and Δ V indicates (see Fig. 2), and the one end 24a of second bar 24 is to connect the handrail 30.Further, in the present embodiment In, the inside of first bar 22 has an accommodating space, and one end has the open communication accommodating space；Second bar 24 One end protruded into the accommodating space from the opening, and combined with first bar 22.Make handrail 20 by above-mentioned design The chair back 12 is hubbed in a manner of retractable.

Two handrail 30 is connected in two handrail 20, places both arms with for user.In this present embodiment, Two handrail 30 respectively can be installed on the second bar 24 in a manner of mobile in horizontal direction relative to two handrail 20, and It is connect with the end 24a of the second bar 24.

Please cooperate shown in Fig. 3 to Fig. 5, respectively the handrail 30 have a sliding rail 32, the sliding rail 32 include be connected it is multiple Fixation hole 32a and multiple sliding slot 32b, wherein the aperture of each fixation hole 32a is greater than the groove width of each sliding slot 32b.

The end 24a of second bar 24 has a body of rod 34, one first accommodation groove 24b and one second accommodation groove 24c, this The slot bottom of one accommodation groove 24b is connected with the slot bottom of second accommodation groove 24c；The body of rod 34 has a fixed part 34a, a control Portion 34b and a moving portion 34c, fixed part 34a and control unit 34b are located at the both ends of the body of rod 34, the centre of the body of rod 34 For moving portion 34c, and fixed part 34a is located in the first accommodation groove 24b, and control unit 34b is located in the second accommodation groove 24c.

The part of the body of rod 34 is arranged in the sliding rail 32, wherein the outer profile of fixed part 34a and control unit 34b are greater than The outer profile of moving portion 34c is also greater than the slot diameter of sliding slot 32b, but the outer profile of fixed part 34a and control unit 34b are slightly less than The Internal periphery of fixation hole 32a makes the body of rod 34 that can be butted on fixation hole 32a by fixed part 34a and is fixed；Moving portion 34c's is straight Diameter is slightly less than the slot diameter of sliding slot 32b, so that the body of rod 34 is moved by moving portion 34c along sliding rail 32, fixed part 34a is towards shifting The side of dynamic portion 34c is equipped with a spring 36, and spring 36 is sheathed on the body of rod 34, and one end of spring is butted on the one of control unit 34b Side, the other end are butted on the slot bottom of the second accommodation groove 24c.

Handrail 30 is under stationary state, and a part of the fixed part 34a of the body of rod 34 is butted on fixation hole 32a, a part Positioned at the first accommodation groove 24b, and at this time, spring 36 is in the normal state (such as state that is uncompressed or stretching)；When user is intended to adjust When handrail 30 enables handrail 30 to move horizontally relative to the end 24a of the second bar 24, user must first push the control of the body of rod 34 Portion 34b, control unit 34b squeeze spring 36, and the related moving portion 34c for making the body of rod 34 is moved to fixation hole 32a, and fixed part 34a It is then entirely located in the first accommodation groove 24b, moving portion 34c can be moved by fixation hole 32a and sliding slot 32b along sliding rail 32 at this time, And it is moved to sliding slot 32b or next fixation hole 32a from fixation hole 32a, to drive end of the handrail 30 with respect to the second bar 24 24a is moved forward and backward.When adjusting to appropriate location, as long as user adjusts control unit 34b again, restore spring 36 from the state of compression Pushing tow control unit 34b under normal conditions re-moves fixed part 34a into corresponding fixation hole 32a, and blocks with fixation hole 32a phase Conjunction is butted on fixation hole 32a, to fix the horizontal position of handrail 30.

In in other application, to enable handrail 30 relative to handrail 20 in the mode moved in horizontal direction not It is limited with above-mentioned, wheel shaft or sliding peer component, which can also be arranged, enables handrail 30 to be moved forward and backward M2 in horizontal direction.

By above-mentioned handrail 20 can it is oblique displacement M1 design and handrail 30 be able in horizontal direction be moved forward and backward M2 Design, enable that user can be accustomed to according to personal sitting posture or the length of arm, shoulder are at a distance from elbow；To adjust the first bar 22 And second bar 24 relative position, set and be suitble to personal 30 height of handrail and extended distance；It is horizontal by adjusting handrail 30 Position, set and be suitble to personal handrail far and near distance, such as: user of short and small stature can to avoid because handrail 30 is too high or It is too far, the discomforts such as shrug or can not loosen completely are caused when arm being caused to be placed in handrail 30.In addition, in this present embodiment, In wherein one, 30 front end of handrail is additionally provided with a remote controler 17, movement of the remote controler 17 to control the wheelchair 100, such as Movements such as mobile or lifting, and by the design of aforementioned handrail 30 and handrail 20, can make user easily adjust handrail 20, The position and distance of handrail 30 and remote controler 17, in order to which user is in the inferior wheelchair 100 of comfortable state and operation Remote controler 17.

In this present embodiment, these wheels 40 include two main wheels 42 and two driven wheels 44, and two main wheel 42 setting exists Chair frame 10 is lower and at the chair back 12, and is located at the two sides of chair frame 10 and is connected with body frame 14；Two driven wheel 44 divides It Tong Guo not a wheel bar 46 and a convergence piece 16 pivot joint.

In addition, the convergence piece 16 also can be one in an embodiment, two connecting pins of 14 front side of body frame in the case of this 14a can be connected because convergence piece 16 are arranged, and a driven wheel 44 and a support base 15 also can only be arranged at this time, in addition, Body frame 14 and convergence piece 16 can also take integrally formed design, without being limited with above description.

In this present embodiment, the quantity of an at least pedal gear 50 is each pedal by taking two pedal gears 50 as an example Mechanism 50 includes a connecting rod 52 and a foot pedal 54, and one end of the connecting rod 52 is hubbed at the front side of chair frame 10, such as It is hubbed on the support base 15, the other end is connected with the foot pedal 54, please cooperate shown in Fig. 6 and Fig. 7, which can be in one Pivot is put between first position P1 and a second position P2, and when the P1 of first position, which is relatively distant from the chair frame, in this When the P2 of the second position, the relatively close chair frame of the foot pedal.In addition, the connecting rod 52 has multiple second positioning region 52a, to For first positioning region 15a connection corresponding with the support base 15.Wherein, there are two types of connection sides for connecting rod 52 and support base 15 Formula:

The first connection type is the wherein one second positioning region 52a of connecting rod 52 to be worn with bolt, with support base 15 Wherein one first positioning region 15a.

Second of connection type is that connecting rod 52 can position 52a by the second of two or more, two with support base 15 The the first above positioning region 15a is combined, and combination can be worn with bolt or carriage bolt enters.

By two kinds of above-mentioned connection types, two kinds of use states of unrestricted choice are allowed a user to, in the first use state It is the first opposite connection type, connecting rod 52 can the opposite progress of support base 15 pivot pendulum under this state；Under the second use state, Connecting rod is fixed on support base 15, can not carry out pivot pendulum.

Fig. 8 is please referred to, which has an an interconnecting piece 54a and stampeding section 54b, and the foot pedal 54 is with interconnecting piece The connecting rod 52 is connect 54a with wherein one, and the foot that stampeding section 54b is provided with user is trampled, further, in the present embodiment In, the interconnecting piece 54a of the foot pedal 54 is articulated in the other end of connecting rod 52, and allows foot pedal 54 and 52 pivot of connecting rod It is put in one using pivot between a position P5 and reception position P6 centered on the position connect, when this uses position P5, stampeding section 54b is relatively distant from the connecting rod 52, when reception position P6, the relatively close connecting rod 52 of stampeding section 54b.

You need to add is that at least the quantity of a pedal gear 50 can be one in other application, then pedal gear includes There are a connecting rod or two connecting rods and a foot pedal (not shown), the quantity of connecting rod is the number relative to the support base Amount, if connecting rod is the both ends that second connecting rod is separately positioned on foot pedal, if connecting rod is that first connecting rod setting exists The centre of foot pedal or foot pedal is set in the one side wall of chair frame.

By above-mentioned design, when user is intended to stand up from seating state, foot pedal 54 is avoided to hinder there are many method Paces when body, the paces that foot is trampled in ground when making to stand up are not too big, and lead to that center of gravity is too far from body and is not easy to exert a force, example Such as:

Two support bases, 15 side is put to pivot, and each two foot pedal 54 of connection is made also to be located at 10 two sides of chair frame, intermediate at this time just to have It tramples for user in ground in one space；

Connecting rod 52 carries out pivot pendulum relative to support base 15, and related foot pedal 54 follows connecting rod 52 to swing, enables user It is able to push foot pedal 54 using foot, puts foot pedal 54 toward 10 direction pivot of chair frame, and be conducive to user and trample in ground；

Stampeding section 54b pivot is put when reception position P6, and the spacing between two foot pedals 54 is expanded, and being provided with user's utilization should Spacing is trampled in ground, and is conducive to stand up after user steps on surely.

The foregoing is merely the preferred possible embodiments of the utility model, all specifications using the utility model And the equivalence changes carried out by claims, it ought to be included in the claims of the utility model.

Claims (9)

1. a kind of wheelchair, it is characterised in that include:

One chair frame；

Two handrails connect the chair frame and are located at the two sides of the chair frame；

Two handrails are separately connected two handrail；

Multiple wheels are connected to the bottom of the chair frame；

An at least pedal gear includes a connecting rod and a foot pedal, before one end of the connecting rod is hubbed at the chair frame Side, the other end are connected with the foot pedal, which can put pivot between a first position and a second position, and in first When setting, which is relatively distant from the chair frame, when the second position, the relatively close chair frame of the foot pedal.

2. wheelchair as described in claim 1, it is characterised in that two handrail respectively has one first bar and one second bar, should First bar connects the chair frame；Second bar is arranged on first bar, and the one end of second bar connects two handrail wherein One of, which can move between a third place and one the 4th position relative to first bar, wherein in this second When bar is moved to four positions by the third place, which has displacement in the horizontal direction and the vertical direction.

3. wheelchair as claimed in claim 2, it is characterised in that second bar is with can be oblique along the extending direction of first bar The mode of displacement is installed on first bar.

4. wheelchair as claimed in claim 2, it is characterised in that the end of second bar is provided with a body of rod, which includes One sliding rail, the body of rod are arranged in the sliding rail, and the end of second bar is made to connect the handrail.

5. wheelchair as claimed in claim 1,2 or 3, it is characterised in that two handrail respectively with can relative to two handrail in The mode moved in one horizontal direction is installed in two handrail.

6. wheelchair as described in claim 1, it is characterised in that the chair frame includes a body frame and an at least support base, this is extremely A few support base is connected on front side of the body frame, and an at least support base has multiple first positioning regions；Shape is used in one first Under state, the connecting rod of an at least pedal gear is hubbed on wherein first positioning region, and can relative to this at least one Support base pivot pendulum.

7. wheelchair as claimed in claim 5, it is characterised in that the connecting rod has multiple second positioning regions；It is used in one second Under state, at least 2 second positioning regions combine first positioning region at least 2, can not be relative to limit the connecting rod At least support base pivot pendulum.

8. wheelchair as claimed in claim 4, it is characterised in that the quantity of an at least pedal gear is two, two foot pedal point Not Ju You an interconnecting piece and a stampeding section, which is pivotally connected respectively with the interconnecting piece and two connecting rod, so that respectively The position that the foot pedal can be pivotally connected with the respectively connecting rod is that fulcrum is put in one using pivot between position and a reception position, in When this uses position, which is relatively distant from the connecting rod, when the reception position, the relatively close connection in the stampeding section Bar.

9. wheelchair as claimed in claim 7, it is characterised in that the quantity of an at least support base is two, and the two support bases pivot It is connected to the front end of the chair frame, and can be relative to the lateral pivot pendulum of the chair frame.