CN201631519U

CN201631519U - Umbrella type nursing wheelchair

Info

Publication number: CN201631519U
Application number: CN2010201314484U
Authority: CN
Inventors: 林岳宏; 蔡继鸿
Original assignee: Care & Care Health Products Co Ltd
Current assignee: Care & Care Health Products Co Ltd
Priority date: 2010-03-16
Filing date: 2010-03-16
Publication date: 2010-11-17
Anticipated expiration: 2020-03-16

Abstract

The utility model provides an umbrella type nursing wheelchair, comprising a foldable chair frame unit, a chair bush, a wheel set, two armrests, two pivoting units and two positioning units, wherein the chair frame unit comprises two rear long vertical pipes respectively provided with a positioning hole; each armrest respectively comprises a cantilever and a placing block fixedly arranged at the cantilever; the cantilever is provided with a pivoted rod and a supporting rod bending from the pivoted rod; each pivoting unit respectively comprises a pivot which is arranged between the pivoted rod and the rear long vertical rod in a penetrating manner; each positioning unit is respectively arranged at the rear long vertical pipe for positioning of the armrests in unfolding. Therefore, the umbrella type nursing wheelchair has the characteristic of being more convenient for folding and assembling the armrests.

Description

Umbellate form nurse wheelchair

Technical field

This utility model relates to a kind of chair, particularly relates to a kind of umbellate form nurse wheelchair that can conveniently launch and fold.

Background technology

As shown in Figure 1, 2, existing a kind of wheelchair (or claiming transportation chair) 10 has a standpipe unit 11, the four pairs of pivot knot parts 12, the four pairs of connecting rods 13, four wheels 14, chair cover 15, two handles 16, and two handrails 17.

Described standpipe unit 11 has two support the front standpipe 111 and two rear profile tubes 112 that are parallel to each other.

Each to pivot knot part 12 have respectively be installed on described before standpipe 111, rear profile tube 112 one go up ring seat 121 and a following ring seat 122, wherein be installed on described before the last ring seat 121 of standpipe 111 have also that a described handrail 17 of confession is planted or the perforation 123 of disengaging.

Each has the bipole body that mutual intersection pivot is tied respectively to connecting rod 13, and described body of rod pivot is respectively tied in aforementioned ring seat 121, the following ring seat 122 of going up.

Described wheel 14 is installed in the bottom of described preceding standpipe 111, rear profile tube 112 respectively.

Described chair cover 15 is fixed between described preceding standpipe 111, the rear profile tube 112.

Described handle 16 is installed on described rear profile tube 112 tops respectively.

Each handrail 17 has a pivot respectively and ties pivot part 171 in described rear profile tube 112, the slotting knot portion 172 of the perforation 123 that can insert or break away from ring seat 121, one is installed on the protruding button 173 that described slotting knot portion 172 inserts in the described perforation 123 simultaneously, but and the pull bar 174 of a described protruding button 173 of interlock.

Can launch and the folding function of use that folds though described wheelchair 10 has, but still have following shortcoming:

One, to fold and fold described handrail 17, the described pull bar 174 of pulling makes described protruding button 173 break away from perforation 123 earlier, then the slotting knot portion 172 of this handrail 17 is up mentioned and break away from described perforation 123, and then put down after handrail 17 rotated outward, have the folding inconvenient shortcoming of handrail 17 that folds, assembles.

Two, described handrail 17 is installed between described preceding standpipe 111 and the described rear profile tube 112, has the shortcoming that volume is big, gain in weight.

Three, when the patient is sitting in described chair cover 15; elbow is to be placed on the handrail 17; in order to save the tubing of handrail 17; usually can reduce the height of this handrail 17; head it off so make patient's both hands very easily feel uncomfortable, if, still can increase the tubing use amount of handrail 17, the volume and the weight of increase handrail 17 so again with regard to the essential height that increases handrail 17; and fold handrail 17 back bars 17 can be outstanding, increase the packing volume of timber.

Four, be installed on described before the last ring seat 121 of standpipe 111 must produce described perforation 123, have and make the shortcoming that bothers.

Summary of the invention

The purpose of this utility model is to provide convenient the folding of a kind of handrail to fold, assemble, and little, the lightweight umbellate form nurse of handrail volume wheelchair.

Umbellate form of the present utility model nurse wheelchair comprises a chair frame unit, one and is installed on the unitary chair cover of described chair frame, one and is installed in the wheels of bottom, described chair frame unit, two handrails, two pivot unit, and two positioning units, it is characterized in that:

Described chair frame unit comprises the two long standpipes behind short standpipe and two of supporting the front that are parallel to each other, be placed on respectively described before pivot seat at the bottom of four top pivot seats of short standpipe, the long standpipe in back and four, be installed between described top pivot seat, the end pivot seat respectively and intersect four pairs of connecting rods of pivot knot mutually, and be installed in two handles on long standpipe top, described back section respectively.

Each handrail comprises a cantilever and a storing piece respectively, and described cantilever has the hinged arm and the pressure pin that bends towards front end from described hinged arm that are positioned at the long standpipe outside, described back, and described storing piece is fixed on described pressure pin top side.

Each pivot unit comprises that respectively one is set in pivot between the long standpipe of described hinged arm and described back along left and right directions.

Each positioning unit is arranged at the long standpipe in described back, location when launching for described handrail respectively.

Umbellate form nurse wheelchair described in the utility model, each positioning unit comprises the locating hole, an operating bar and the operating knob that run through the long standpipe in described back along left and right directions respectively, described operating bar extends along left and right directions, has a location head that can insert, break away from described locating hole, and one extended the binding body portion pass described hinged arm outside from described location head, and described operating knob is installed on the binding body portion of described operating bar and is positioned at outside the described hinged arm.

Umbellate form nurse wheelchair described in the utility model, each positioning unit also comprises an elastic component that is installed on described operating bar respectively.

Umbellate form nurse wheelchair described in the utility model, each positioning unit also comprises a tube that installs that is fixed in described hinged arm along the left and right directions plant, described elastic component is the compression spring, and the binding body portion that described elastic component is placed on described operating bar is limited in described location head and described installing between the tube.

Umbellate form described in the utility model nurse wheelchair, each positioning unit comprise that respectively one runs through the locating hole of the long standpipe in described back along left and right directions, and one insert described locating hole and be fixed in described after the locating rod of long standpipe.

Umbellate form nurse wheelchair described in the utility model, each handrail also comprises a storing piece that is fixed on described pressure pin top side respectively.

Umbellate form described in the utility model nurse wheelchair, each pivot unit also comprise respectively planting along left and right directions for one and are fixed in the lining that described hinged arm places for described pivot, and a fixture that is mounted on described pivot end.

The beneficial effects of the utility model are: the handrail of this utility model umbellate form nurse wheelchair can be that fulcrum rotates with described pivot, except folding, assemble suitable convenience, also has little, the lightweight effect of volume.

Description of drawings

Fig. 1 is a kind of open cube display of existing wheelchair;

Fig. 2 is the folding axonometric chart that folds of described existing wheelchair;

Fig. 3 is the axonometric chart of the preferred embodiment of this utility model umbellate form nurse wheelchair;

Fig. 4 is the view of a similar Fig. 3, wherein omits chair cover and does not draw conveniently to watch a chair frame unit and two pivot unit and two positioning units;

Fig. 5 is the front view that picks up from Fig. 4, and the nurse of umbellate form described in figure wheelchair is deployed condition;

Fig. 6 is the exploded axonometric chart of described preferred embodiment;

Fig. 7 is the local forward sight and the assembled sectional view of described preferred embodiment, and an operating bar inserts in the locating hole among the figure;

Fig. 8 is the assembled sectional view of a similar Fig. 7, and operating bar described in the figure breaks away from described locating hole;

Fig. 9 is the front view of a similar Fig. 5, and the nurse of umbellate form described in figure wheelchair is folding collapse state;

Figure 10 is a partial side view of described preferred embodiment, and another kind of positioning unit is described, a handrail is deployed condition among the figure;

Figure 11 is the view of a similar Figure 10, and handrail described in the figure is folding collapse state.

Among the figure: 20. chair frame unit; 21. preceding short standpipe; 22. the long standpipe in back; 23. top pivot seat; 24. end pivot seat; 25. connecting rod; 26. handle; 30. chair cover; 31. medicated cushion; 32. back cushion; 40. wheels; 41. roller; 50. trample the unit; 51. preceding pivot seat; 52. preceding bar; 53. pedal; 60. handrail; 61. cantilever; 611. hinged arm; 612. pressure pin; 613. first perforation; 614. second perforation; 62. storing piece; 70. pivot unit; 71. fixed muffle; 72. lining; 73. pivot; 74. fixture; 80. positioning unit; 81. operating bar; 811. location head; 812. link body portion; 82. elastic component; 83. install tube; 831. containing hole; 84. operating knob; 85. locating hole; 90. positioning unit; 91. locating hole; 92. locating rod.

The specific embodiment

Below in conjunction with drawings and Examples this utility model is elaborated.

Before the detailed description, be noted that in the following description content, employed relative position term in the entire description, for example front, rear, left and right, top, the end are to be benchmark with the normal orientation of using.

Consult Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, the preferred embodiment of this utility model umbellate form nurse wheelchair comprise a chair frame unit 20, chair cover 30, wheels 40, one trample unit 50, two handrails 60, two pivot unit 70, and two positioning units 80.

Described chair frame unit 20 comprises the two long standpipes 22 behind short standpipe 21 and two of supporting the front that are parallel to each other, be placed on respectively described before pivot seat 24 at the bottom of four top pivot seats 23 of short standpipe 21, the long standpipe 22 in back and four, be installed between described top pivot seat 23, the end pivot seat 24 respectively and intersect four pairs of connecting rods 25 of pivot knot mutually, and be installed in two handles 26 on long standpipe 22 tops, described back section respectively.

Described chair cover 30 is fixed between described preceding short standpipe 21, the long standpipe 22 in back, comprises a medicated cushion 31 and a back cushion 32.

Described wheels 40 comprise the four rolling 41 that is installed in described preceding short standpipe 21, long standpipe 22 bottoms, back respectively.

The described unit 50 of trampling comprises two preceding pivot seats 51 that are nested with before described short standpipe 21 respectively and are positioned at pivot seat 23 bottom sides, described top, be rotatably installed on respectively described before pivot seat 51 and two bars 52 of supporting the front that extend towards front end, bottom, and be rotatably installed on respectively described before two pedals 53 of bar 52 bottoms.

Each handrail 60 comprises a cantilever 61 and a storing piece 62 respectively.

Described cantilever 61 has the hinged arm 611 and the pressure pin 612 that bends towards front end from described hinged arm 611 that are positioned at long standpipe 22 outsides, described back, and runs through 613 and one second perforation 614 of one first perforation of described hinged arm 611 along left and right directions.

Each pivot unit 70 comprises that respectively one is nested with and is fixed in the long standpipe 22 in described back and is positioned at described top pivot seat 23 vertical fixed muffles 71, one is inserted described first perforation 613 and is fixed in the lining 72 of described hinged arm 611 along left and right directions, one is passed the pivot 73 of described lining 72 and the long standpipe 22 of described fixed muffle 71 and described back along left and right directions, and one is mounted on the fixture 74 that described pivot 73 ends prevent described pivot 73 disengagings.

In described preferred embodiment, described pivot 73 is a bolt, and described fixture 74 is a nut, and described handrail 60 can be the fulcrum swing with described pivot 73.

Each positioning unit 80 comprises that respectively an operating bar 81, one are nested with elastic component 82 outside described operating bar 81, one and install 83, one in a tube and described operating bar 81 banded operating knobs 84 and a locating hole 85 that is arranged at the long standpipe 22 in described back along left and right directions along what left and right directions inserted described second perforation 614 and was fixed in described hinged arm 611.

Described operating bar 81 extends along left and right directions, have a location head 811 that can insert or break away from the big footpath of described locating hole 85, and one is extended and passes the described binding body portion 812 that installs tube 83 and pass the path of described hinged arm 611 from described location head 811.

Described elastic component 82 is a compression spring in described preferred embodiment, be nested with outside described binding body portion 812, install respectively in described location head 811 and the described tube 83 that installs and limited, described elastic component 82 has the function that described location head 811 perseverances are moved towards described locating hole 85.

The described tube 83 that installs has a step shape containing hole 831, installs for described elastic component 82 simultaneously in order to be installed in described elastic component 82.

The binding body portion 812 screw locks binding of described operating knob 84 and described operating bar 81 also is positioned at described hinged arm 611 outsides.

During use, when this utility model umbellate form nurse wheelchair is in the expansion user mode, the cantilever 61 of described handrail 60 inserts described lining 72 and the long standpipe 22 in described back by described pivot 73, and the location head 811 of described operating bar 81 inserts described locating hole 85 and obtains the location, this moment, patient's elbow can be shelved on the described storing piece 62, consult Fig. 8, Fig. 9, fold and fold this utility model umbellate form nurse wheelchair, only need described operating knob 84 is pulled outward, the location head 811 that just can drive described operating bar 81 breaks away from described locating hole 85, this moment, described handrail 60 can be that the weight of fulcrum cooperation own is swung towards the bottom automatically with described pivot 73 just, then fold described unit 50 and the described chair frame unit 20 trampled again, that just can finish this utility model umbellate form nurse wheelchair foldingly folds operation, consult Fig. 9, Fig. 8, Fig. 7, Fig. 5, Fig. 3, launch this utility model umbellate form nurse wheelchair, only need to launch earlier described chair frame unit 20 and the described unit 50 of trampling, then the application of force is lifted described cantilever 61, described cantilever 61 is swung towards the top, when the location of described operating bar 81 head 811 is aimed at described locating hole 85, back stretch by described elastic component 82, the location head 811 of described operating bar 81 will insert in the described locating hole 85 automatically, finish the evolutionary operation of this utility model umbellate form nurse wheelchair.

In addition, as Figure 10, shown in Figure 11, the another kind of positioning unit 90 of this utility model comprises a locating hole 91 that is arranged at the long standpipe 22 in described back along left and right directions, and locating rod 92 that inserts described locating hole 91 and be fixed in the long standpipe 22 in described back, when described handrail 60 is positioned at the expansion user mode, can be by hinged arm 611 rear ends of described locating rod 92 blocks at described cantilever 61, make described cantilever 61 location, fold described handrail 60, only needing the application of force to give described cantilever 61, to make described cantilever 61 be that fulcrum rotates towards the rear end with described pivot 73, just can finish the operation that folds of described handrail 60.

By above explanation as can be known, the utility model umbrella type nursing wheelchair has following effect:

One, the utility model only need pull outward described operating knob 84 and drive described operating bar 81, make described location head 811 break away from described locating hole 85, just can fold described handrail 60, or lift described handrail 60, make described location head 811 automatically insert described locating hole 85, just can assemble described handrail 60, have and fold, assemble the more convenient effect of described handrail 60.

Two, the utility model only need make described cantilever 61 rotate towards the rear end, just can fold described handrail 60, or described cantilever 61 is turned to by described backstay 92 blocks towards front end, and just can assemble described handrail 60, have and fold, assemble the more convenient effect of described handrail 60.

Three, 61 on the cantilever of handrail 60 described in the utility model links with described rear long standpipe 22, does not link with described front short standpipe 21, has small volume, effect that weight is lighter.

Four, the utility model only need shorten cantilever 61 length of described handrail 60, just can improve the height of described storing piece 62, has volume, the weight reduction that can dwindle described handrail 60 and the effect that improves comfort.

Five, the design of top described in the utility model trunnion mount 23, end trunnion mount 24 is identical, has to make more convenient effect.

Claims

1. umbellate form nurse wheelchair comprises a chair frame unit, one and is installed on the unitary chair cover of described chair frame, one and is installed in the wheels of bottom, described chair frame unit, two handrails, two pivot unit, and two positioning units, it is characterized in that:

Described chair frame unit comprises the two long standpipes behind short standpipe and two of supporting the front that are parallel to each other, be placed on respectively described before pivot seat at the bottom of four top pivot seats of short standpipe, the long standpipe in back and four, be installed between described top pivot seat, the end pivot seat respectively and intersect four pairs of connecting rods of pivot knot mutually, and be installed in two handles on long standpipe top, described back section respectively;

Each handrail comprises a cantilever respectively, and described cantilever has the hinged arm and the pressure pin that bends towards front end from described hinged arm that are positioned at the long standpipe outside, described back;

Each pivot unit comprises that respectively one is set in pivot between the long standpipe of described hinged arm and described back along left and right directions;

Each positioning unit is arranged at the long standpipe in described back respectively, for described handrail location.

2. umbellate form nurse wheelchair according to claim 1, it is characterized in that: each positioning unit comprises the locating hole, an operating bar and the operating knob that run through the long standpipe in described back along left and right directions respectively, described operating bar extends along left and right directions, has a location head that can insert, break away from described locating hole, and one extended the binding body portion pass described hinged arm from described location head, and described operating knob is installed on the binding body portion of described operating bar and is positioned at the described hinged arm outside.

3. umbellate form nurse wheelchair according to claim 2, it is characterized in that: each positioning unit also comprises an elastic component that is installed on described operating bar respectively.

4. umbellate form nurse wheelchair according to claim 2, it is characterized in that: each positioning unit also comprises a tube that installs that is fixed in described hinged arm along the left and right directions plant, described elastic component is the compression spring, and the binding body portion that this elastic component is placed on described operating bar is limited in described location head and described installing between the tube.

5. umbellate form according to claim 1 nurse wheelchair is characterized in that: each positioning unit comprises that respectively one runs through the locating hole of the long standpipe in described back along left and right directions, and one insert described locating hole and be fixed in described after the locating rod of long standpipe.

6. umbellate form nurse wheelchair according to claim 1, it is characterized in that: each handrail also comprises a storing piece that is fixed on described pressure pin top side respectively.

7. umbellate form nurse wheelchair according to claim 1, it is characterized in that: each pivot unit also comprises respectively planting along left and right directions for one and is fixed in the lining that described hinged arm places for described pivot, and a fixture that is mounted on described pivot end.