CN201658469U - Stretcher - Google Patents

Abstract

The utility model discloses a stretcher, which comprises a body, a stretcher holding unit, a handrail unit, an accessory unit, a folding unit, a wheel unit, a clamping unit, a folding pedal and clamping tenon unit. The clamping unit is used for rapidly adjusting the width of the stretcher, and the folding pedal and clamping tenon unit is used for rapidly folding and unfolding. When being used with the removable quick-to-remove device, the stretcher can be combined and folded within the shortest time according to various specifications and conversion requirements, and has multiple functions, such as supporting or transferring the patient.

Description

A kind of stretcher

Technical field

This utility model relates to a kind of stretcher, but a kind of in particular by rapid adjustment stretcher width clamping unit and can amount to fast and unfolded folding pedal and trip unit, in the shortest time, to reach required combination of stretcher and receiving state.

Background technology

Existing stretcher it typically is the auxiliary car body of transportation of fixation structure, thereby reaches medical rescue that stretcher transports and look after purpose.

The shortcoming of the maximum of above-mentioned stretcher technology is:

One, fixation structure design can't folding, and the volume that takes up room brings inconvenience;

Two, the adjustment hold-down mechanism that lacks the stretcher width is gone up deficiency of steadiness so use.

In addition, the TaiWan, China patent announcement discloses a kind of wheelchair occupant from rear carrier structure number M372184 number, its about a kind of wheelchair occupant from rear carrier structure, its stretcher bulk phase group that is equipped with a backrest district by a pedestal and with first bracing frame and second bracing frame is established and is constituted a go-cart, wherein the appropriate location of first bracing frame and second bracing frame is provided with a pivot and joins and form one and have the stereochemical structure of toggle, and stride and be provided with the leverage that a bent connecting rod formation one has fulcrum in the backrest district of first bracing frame and stretcher body, make the person of looking after to operate the best laborsaving state that bending angle that the stretcher body is subjected to connecting rod makes it be positioned or lies low, also have concurrently and make first bracing frame can be along the convenience of pivot toward the corresponding closing folding of second bracing frame.It is only single at the wheelchair occupant to be somebody's turn to do the mentioned structural design of preceding case, can't be applicable to general stretcher, so its practicality deficiency.

The utility model content

The purpose of this utility model is to provide a kind of stretcher, transports the adaptability and the insufficient problem of industry application specificity of performance at stretcher with the fixed one design that solves stretcher in the prior art.

In order to reach above-mentioned purpose, solution of the present utility model is:

A kind of stretcher wherein, comprising:

One body, comprise the first foot rest unit, the second foot rest unit and a wheel stand, this the first foot rest unit and the second foot rest unit all comprise a vertical foot rest, two top hounds and an end hound, the unitary two top hounds of this first foot rest two sides articulate respectively and are connected to vertical foot rest and are fixed in wheel stand, these end hound two sides are articulated in vertical foot rest and wheel stand respectively, the unitary two top hounds of this second foot rest two sides are articulated in vertical foot rest and the unitary two top hounds of first foot rest respectively, and these end hound two sides are articulated in vertical foot rest and wheel stand respectively;

One stretcher is put the unit, is arranged at this body first foot rest unit and hound top, unitary two top of second foot rest, and this stretcher is put the unit and included two holders and four jaws, and this four jaws left-right symmetric is oppositely arranged on the holder separately;

One armrest unit is included in that unitary vertical foot rest two sides of this first foot rest are provided with one first handrail and unitary vertical foot rest two sides of second foot rest are provided with one second handrail;

One folding unit, be arranged on this body, comprise two folding pedals and two torsion spring groups, this two foldings pedal is located at the unitary vertical foot rest of first foot rest and hound articulated section, the end and unitary vertical foot rest of second foot rest and hound articulated section, the end respectively, and two torsion springs are mounted on the unitary vertical foot rest of first foot rest and stretcher is put between the unit;

One wheel unit is arranged on this body, comprises an axletree and two wheels, and this two wheel is hubbed at axletree and relatively rotates.

Further, the unitary two top hounds of this second foot rest are articulated on the unitary two top hounds of first foot rest by a trip unit, and this trip unit comprises a card button and a spring, and this spring housing is located on the card button.

Further, this stretcher storing unit is provided with a telescopic unit and this holder is provided with an accommodation space, this telescopic unit includes an expansion link and a snap-on, this expansion link is installed in this accommodation space, and this holder be to being provided with plural locating hole by snap-on, and one of them of this jaw is fixed on this expansion link.

Further, one clamping unit is set in this stretcher storing unit and this holder is provided with an accommodation space, this clamping unit comprises a handwheel, a driving screw, a guide block and a lining, this driving screw, guide block and lining are installed in this accommodation space, and this driving screw one side links handwheel, opposite side is screwed on this guide block, and one of them of this jaw is socketed on the driving screw.

Further, this body advances to be provided with at least one accessory unit, and this accessory unit comprises an oxygen tank holder and an infusion stand.

Further, this first foot rest unit and hound of the unitary end of second foot rest are that two-period form articulates near the middle part.

Further, hound is that pivot rotates with vertical foot rest and wheel stand respectively at the bottom of this folding pedal interlock.

Further, this two wheel respectively is provided with a quick detach device.

Further, the upper and lower sides of this first foot rest unit and the unitary vertical foot rest of second foot rest is equipped with two respectively and holds up wheel carrier.

Further, this wheel unit is provided with the single wheel axle, and it is arranged on a side of axletree.

After adopting said structure, the utlity model has following beneficial effect:

One, stretcher of the present utility model can form the firm support state with vertical foot rest when expansion is upright;

Two, stretcher of the present utility model is when expansion is upright, and its wheel does not contact with ground, thereby is convenient to dismounting.

Three, stretcher of the present utility model only must be ridden the step of folding pedal and can finish when folding.

Four, stretcher of the present utility model is when folding, and this torsion spring group provides and adds elastic force in advance, so have the advantage of rapid operation.

Five, the volume of stretcher of the present utility model after folding contracts to minimum, is convenient to the advantage of taking in and transporting thereby have.

Six, the stretcher of stretcher of the present utility model is put and to be sentenced jaw and fix, thereby can avoid stretcher to slide.

Seven, stretcher of the present utility model is owing to further having the driving screw clamping unit, so its applicable various specification stretcher.

Eight, stretcher of the present utility model is owing to further having the design of trip unit, so it can guarantee main body structure safety.

Nine, stretcher of the present utility model is owing to further having the wheel carrier of holding up design, so it can firmly be taken in the wheel of unloading.

Ten, but stretcher of the present utility model is because further additional accessory also, and is so it is complete to have an accessory, functional and extendibility is all good.

But 11, the further clamping unit by rapid adjustment stretcher width and can amounting to fast and unfolded folding pedal and trip unit of this utility model, thereby in the shortest time, reach the required bonding state of stretcher.

12, the stretcher that relates to of this utility model is when further its wheel is arranged on axletree, and for providing a supportive when supporting patient or first aid, and wheel is when being arranged on the sidecar wheel shaft, uses for for transport patients the time.

Description of drawings

Fig. 1 is this utility model single unit system structure stereoscopic sketch map;

Fig. 2 is this utility model single unit system structure outward appearance plan view from above;

Fig. 3 is this utility model single unit system structure outward appearance front plan view;

Fig. 4 colludes illustrative view for this utility model snap-on and locating hole take off;

Fig. 5 is that this utility model snap-on engages illustrative view with locating hole;

Fig. 6 is the inner sectional plain-view drawing of this utility model stretcher clamping unit;

Fig. 7 is this utility model clamping unit initiating structure view;

Fig. 8 is this utility model clamping unit start completion status sketch map;

Fig. 9 fixedly parks the state plane sketch map for this utility model;

Figure 10 is the moving sketch map of this utility model card button and Spring Card cooperation;

Figure 11 colludes illustrative view for this utility model card button and spring take off;

Figure 12 promotes the user mode floor map for this utility model;

Figure 13 is the complete folding state floor map of this utility model;

Figure 14 is the floor map of another embodiment of this utility model, and this moment, this two wheel moved on to the position of sidecar wheel shaft;

Sketch map that Figure 15 folds for another embodiment first foot rest unit of this utility model and the sketch map of trampling the unitary pedal of second foot rest;

Figure 16 is the sketch map of this utility model installing accessory unit.

Among the figure:

Body 1

The first foot rest unit 11

Vertical foot rest 111 top hounds 112

End hound 113 is held up wheel carrier 114

Trip unit 115

Card button 1151 springs 1152

The second foot rest unit 12

Vertical foot rest 121 top hounds 122

End hound 123 is held up wheel carrier 124

Wheel stand 13

Stretcher is put unit 2

Holder 2121A

Accommodation space 211 locating holes 212

Jaw 2222A

Telescopic unit 23

Expansion link 231 snap-ons 232

Clamping unit 24

Handwheel 241 driving screws 242

Guide block 243 linings 244

Armrest unit 3

First handrail, 31 second handrails 32

Folding unit 4

Folding pedal 41 torsion spring groups 42

Wheel unit 5

Axletree 51

Wheel 52 quick detach devices 521

Sidecar wheel shaft 53

Accessory unit 6

Oxygen tank holder 61 infusion stands 62

The specific embodiment

In order further to explain the technical solution of the utility model, the utility model is elaborated below by specific embodiment.

As shown in Figure 1 to Figure 3, a kind of stretcher that relates to for this utility model shown in it, it mainly comprises: a body 1, a stretcher are put unit 2, an armrest unit 3, a folding unit 4 and a wheel unit 5, wherein:

One body 1, comprise the first foot rest unit 11, the second foot rest unit 12 and a wheel stand 13, this the first foot rest unit 11 and the second foot rest unit 12 include a vertical foot rest 111,121, two top hounds 112,122 and one end hound 112,123, two top hounds, 112 2 sides of this first foot rest unit 11 are articulated in vertical foot rest 111 respectively and are fixed in wheel stand 13, these end hound 113 2 sides are articulated in vertical foot rest 111 and wheel stand 13 respectively, two top hounds, 122 2 sides of this second foot rest unit 12 are articulated in two top hounds 112 of the vertical foot rest 121 and the first foot rest unit 11 respectively, and these end hound 123 2 sides are articulated in vertical foot rest 121 and wheel stand 13 respectively.

One stretcher is put unit 2, be arranged at two top hounds 112 of this body 1 first foot rest unit 11 and the second foot rest unit 12,122 tops, this stretcher is put unit 2 and is included two holder 2121A, four jaw 2222A, this four jaw 2222A is left-right symmetric, be oppositely arranged on separately on the holder 2121A, wherein this holder 21A is fixed on the jaw 22, and jaw 22A is fixed on the holder 21A again.

One armrest unit 3, vertical foot rest 121 2 sides that vertical foot rest 111 2 sides in this first foot rest unit 11 are provided with one first handrail 31 and the second foot rest unit 12 are provided with one second handrail 32.

One folding unit 4, be arranged on this body 1, comprise two folding pedals 41 and two torsion spring groups 42, this two foldings pedal 41 is located at the vertical foot rest 111 of the first foot rest unit 11 and the vertical foot rest 121 and end hound 123 articulated sections of end hound 113 articulated sections and the second foot rest unit 12 respectively, and two torsion spring groups 42 are located at the vertical foot rest 111 and the stretcher of the first foot rest unit 11 and are put 2 of unit; Acting as of torsion spring group 42 adds elastic force in advance conveniently to amount to when folding is provided.

One wheel unit 5 is arranged on this body 1, comprises an axletree 51 (not shown)s and two wheels 52, and this two wheel 52 is hubbed on the axletree 51 and relatively rotates.

The above-mentioned second foot rest unit 12 2 top hounds 122 are to be articulated on the two top hounds 112 of the first foot rest unit 11 by a trip unit 115, this trip unit 115 comprises a card button 1151 and a spring 1152 (seeing also Figure 10 and shown in Figure 11 in addition), and this spring 1152 is set on the card button 1151; The effect of trip unit 115 is to provide the locking when open using to guarantee, makes total body not reason external force or vibration and get loose.

A telescopic unit 23 further is set in above-mentioned stretcher storing unit 2 and this holder 21 is provided with an accommodation space 211, this telescopic unit 23 includes an expansion link 231 and a snap-on 232 (seeing also Fig. 4 and shown in Figure 5 in addition), this expansion link 231 is installed in this accommodation space 211, and this holder 21 is provided with plural locating hole 212 corresponding to this snap-on 232, and this jaw 22 is fixed on this expansion link 231 in addition.

A clamping unit 24 further is set in above-mentioned stretcher storing unit 2 and this holder 21 is provided with an accommodation space 211, this clamping unit 24 comprises a handwheel 241, a driving screw 242, a guide block 243 and a lining 244 (seeing also Fig. 7 and shown in Figure 8 in addition), this driving screw 242, guide block 243 and lining 244 are installed in this accommodation space 211, and these driving screw 242 1 sides link handwheel 241, opposite side is screwed on this guide block 243, and one of them of this jaw 22 then is socketed on the driving screw 242; These handwheel 241 interlock driving screws 242 are to adjust the width between this jaw 22 and jaw 22A.

The end hound 113,123 of the above-mentioned first foot rest unit 11 and the second foot rest unit 12 articulates near the middle part two-period form, with basic principle and the track moving-wire that satisfies mechanism's start.

Hound 113,123 rotates for pivot with vertical foot rest 111,121 and wheel stand 13 respectively at the bottom of above-mentioned folding pedal 41 interlocks.

Above-mentioned two wheels 52 further respectively are provided with a quick detach device 521.

The upper and lower sides of the vertical foot rest 111,121 of the above-mentioned first foot rest unit 11 and the second foot rest unit 12 is equipped with two respectively and holds up wheel carrier 114,124.

As shown in Figure 4, stretcher is put unit 2 further set telescopic units 23 and is included an expansion link 231 and a snap-on 232, this expansion link 231 is installed in the accommodation space 211 of this holder 21, and this holder 21 is provided with plural locating hole 212 corresponding to this snap-on 232, in addition, one of them of this jaw 22 is fixed on this expansion link 231 and (sees also shown in Figure 1 in addition).

Width is preliminary to be adjusted when being coarse adjustment when pulling expansion link 231 carries out, can inwardly contract because of the pull strength of expansion link 231 and 21 relative motioies of holder in the elastic snap-on of tool 232 both sides, the snap-on 232 that forms expansion link 231 takes off the state that colludes from the one locating hole 212 of holder 21, so that snap-on 232 is shifted to the pairing locating hole 212 of another required width through the interlock of expansion link 231.

As shown in Figure 5, aforementioned snap-on 232 forms fastening state through the interlock of expansion link 231 and after shifting to the pairing locating hole 212 of another required width, snap-on 232 outwards ejects along this locating hole 212, finishes preliminary width coarse adjustment.

As shown in Figure 6, when the general curative rescue with being placed in stretcher when putting on the unit 2, according to stretcher specification size, can select respectively to be placed on the narrower holder 21A of below width or on the holder 21 of top wider width, but the stretcher of putting in order to make has the firm safety of height in the process of transporting, it is fastening to be pressurizeed to the stretcher of being put, so reach by set clamping unit 24; The jaw 22 that then sets firmly with two-way drive holder 21 1 sides with handwheel 241 turn driving screws 242 on specifically implementing inwardly clamps or is loose to transfering to other localities, four pairs of angle point zones with 24 pairs of stretchers of two groups of these clamping units are carried out fastening, to guarantee the unlikely landing of stretcher, and with handwheel 241 serves as to adjust input element, but rapid adjustment width and being compressed, in the operation rapidly and start certain.

As shown in Figure 7, according to the explanation of Fig. 6, be on holder 21, to place a stretcher A, this stretcher A and jaw 22A still leave a distance, therefore utilize clamping unit 24 to carry out the width fine setting and clamp.

As shown in Figure 8, when rotation handwheel 241 interlock driving screws 242 rotate on guide block 243, driving screw 242 can drive jaw 22 and move inward, and keep the stable of this jaw 22 with lining 244, because jaw 22 is fixed with holder 21A and jaw 22A, can make jaw 22A can compress stretcher A really with moving holder 21A and jaw 22A, finish last width fine setting and press; No matter therefore stretcher A places holder 21 or jaw 22A to finely tune in the same manner.

As shown in Figure 9, when stretcher is fixedly parked, the vertical foot rest 121 of the vertical foot rest 111 of the first foot rest unit 11 and the second foot rest unit 12 is understood the weight of the body 1 that supports whole stretcher and is made wheel 52 liftoff, the top hound 112 of the first foot rest unit 11 can be respectively at wheel stand 13 with end hound 123 with the top hound 122 of the end hound 113 and the second foot rest unit 12 simultaneously, the structure that 121 of the vertical foot rests of the vertical foot rest 111 of the first foot rest unit 11 and the second foot rest unit 12 form approximate X type (X-type) launches, increase the steadiness of whole stretcher, make things convenient for personnel to be engaged in associative operation and operation.

As shown in figure 10, trip unit 115 comprises a card button 1151 and a spring 1152, acting as of this trip unit 115 provides the locking of opening when using to guarantee, make total body not reason external force or vibration and get loose, its start principle is for providing elastic force to give card button 1151 so that it forms the engaging of true closed form attitude with spring 1152.

As shown in figure 11, when stretcher folded, 1151 on button of card is return backward, and the resilience force after keeping it to open with spring 1152.

As shown in figure 12, when putting stretcher on the stretcher and must promote to use, with the foot-operated folding pedal 41 of being located at the second foot rest unit, 12 sides, make vertical foot rest 121 press close to amount to towards top hound 122 with end hound 123, operator only need with first handrail 31 slightly the application of force mention, make the vertical foot rest 111 of the first foot rest unit 11 liftoff, can contact to earth with wheel 52 and promote forward, and the first foot rest unit, 11 sides remain on locking condition, promptly vertical foot rest 111,113 of top hound 112 and end hounds are the structure that the axle center forms subtriangular (tri-angle shape) with wheel 52.

As shown in figure 13, when stretcher does not use for a long time or transports, it is superimposed to give complete folding, its step is that the quick detach device 521 on the wheel unit 5 is unloaded to take off wheel 52 on axletree 51 (seeing also Fig. 1 in addition), the folding pedal 41 of the foot-operated respectively again first foot rest unit, 11 sides and the second foot rest unit, 12 sides, make the vertical foot rest 111 of the first foot rest unit 11, the vertical foot rest 121 of top hound 112 and the end hound 113 and the second foot rest unit 12, top hound 122 is center folding inwardly in opposite directions with the trip unit 115 at wheel stand 13 places respectively with end hound 123, while also coats first handrail 31 and second handrail 32 of two sides wherein, and wheel 52 clampings that unloaded are supported in holds up wheel carrier 114,124 keep firm, the volume of whole stretcher contracts to minimum, whole in appearance near a cuboid, convenient for collecting is put and is transported.

As shown in figure 14, wheel unit 5 of the present utility model is provided with single wheel axle 53 in addition, and it is arranged on a side of axletree 51, because wheel 52 is provided with quick detach device 521 (please refer to shown in Figure 1), so can be torn open by axletree 51 fast and move to sidecar wheel shaft 53, present embodiment is for being applied to transport sufferer.

As shown in figure 15, this sidecar wheel shaft 53 is positioned at the one section suitable spacing of middle position (axletree 51) apart from body 1, side with sidecar wheel shaft 53 is a sufferer foot side, and opposite side is a sufferer side, because sidecar wheel shaft 53 makes the centre-of gravity shift of body 1, therefore the sufferer head amount of stressing is heavier, so medical care person can trample the folding pedal 41 of the first foot rest unit, 11 sides of sufferer foot side earlier, make the vertical foot rest 111 of the first foot rest unit 11, top hound 112 and end hound 113 are center folding inwardly in opposite directions with the trip unit 115 at wheel stand 13 places, and fold the back since weight partially a sufferer side this on one side, therefore still can support the weight of stretcher, and still can firmly stand surely; When desiring to transport the patient, as shown in FIG., trample the folding pedal 41 of the second foot rest unit, 12 sides of a sufferer side, the vertical foot rest 121, top hound 122 that makes the second foot rest unit 12 and end hound 123 are center folding inwardly in opposite directions with the trip unit 115 at wheel stand 13 places, can move body 1 by wheel 52.

As shown in figure 16, body 1 further is provided with at least one accessory unit 6, and this accessory unit comprises an oxygen tank holder 61 and an infusion stand 62.

Comprehensively above-mentioned, this utility model is at the application technology of stretcher, refer in particular to a kind of by comprising a body 1, one stretcher is put unit 2, one armrest unit 3, one accessory unit 6, the stretcher of one a folding unit 4 and a wheel unit 5, but with the clamping unit 24 of rapid adjustment stretcher width and can amount to fast and unfolded folding pedal 41 and trip unit 115, cooperate detachable quick detach device 521, be applicable to various specification stretcher and change the required combination and the multi-functional of receiving state in the shortest time, to reach stretcher, and do the improvement and the design of a best, for this utility model for the most concrete progressing greatly that stretcher is done.

The foregoing description and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present utility model to its suitable variation or modification of doing.

Claims (10)

1. a stretcher is characterized in that, comprising:

One body, comprise the first foot rest unit, the second foot rest unit and a wheel stand, this the first foot rest unit and the second foot rest unit all comprise a vertical foot rest, two top hounds and an end hound, the unitary two top hounds of this first foot rest two sides articulate respectively and are connected to vertical foot rest and are fixed in wheel stand, these end hound two sides are articulated in vertical foot rest and wheel stand respectively, the unitary two top hounds of this second foot rest two sides are articulated in vertical foot rest and the unitary two top hounds of first foot rest respectively, and these end hound two sides are articulated in vertical foot rest and wheel stand respectively;

One stretcher is put the unit, is arranged at this body first foot rest unit and hound top, unitary two top of second foot rest, and this stretcher is put the unit and included two holders and four jaws, and this four jaws left-right symmetric is oppositely arranged on the holder separately;

One armrest unit is included in that unitary vertical foot rest two sides of this first foot rest are provided with one first handrail and unitary vertical foot rest two sides of second foot rest are provided with one second handrail;

One folding unit, be arranged on this body, comprise two folding pedals and two torsion spring groups, this two foldings pedal is located at the unitary vertical foot rest of first foot rest and hound articulated section, the end and unitary vertical foot rest of second foot rest and hound articulated section, the end respectively, and two torsion springs are mounted on the unitary vertical foot rest of first foot rest and stretcher is put between the unit;

One wheel unit is arranged on this body, comprises an axletree and two wheels, and this two wheel is hubbed at axletree and relatively rotates.

2. a kind of stretcher as claimed in claim 1, it is characterized in that, the unitary two top hounds of this second foot rest are articulated on the unitary two top hounds of first foot rest by a trip unit, and this trip unit comprises a card button and a spring, and this spring housing is located on the card button.

3. a kind of stretcher as claimed in claim 1, it is characterized in that, this stretcher storing unit is provided with a telescopic unit and this holder is provided with an accommodation space, this telescopic unit includes an expansion link and a snap-on, this expansion link is installed in this accommodation space, and this holder be to being provided with plural locating hole by snap-on, and one of them of this jaw is fixed on this expansion link.

4. a kind of stretcher as claimed in claim 1, it is characterized in that, one clamping unit is set in this stretcher storing unit and this holder is provided with an accommodation space, this clamping unit comprises a handwheel, a driving screw, a guide block and a lining, this driving screw, guide block and lining are installed in this accommodation space, and this driving screw one side links handwheel, and opposite side is screwed on this guide block, and one of them of this jaw is socketed on the driving screw.

5. a kind of stretcher as claimed in claim 1 is characterized in that this body advances to be provided with at least one accessory unit, and this accessory unit comprises an oxygen tank holder and an infusion stand.

6. a kind of stretcher as claimed in claim 1 is characterized in that, this first foot rest unit and hound of the unitary end of second foot rest are that two-period form articulates near the middle part.

7. a kind of stretcher as claimed in claim 1 is characterized in that, hound is that pivot rotates with vertical foot rest and wheel stand respectively at the bottom of this folding pedal interlock.

8. a kind of stretcher as claimed in claim 1 is characterized in that, this two wheel respectively is provided with a quick detach device.

9. a kind of stretcher as claimed in claim 1 is characterized in that, the upper and lower sides of this first foot rest unit and the unitary vertical foot rest of second foot rest is equipped with two respectively and holds up wheel carrier.

10. a kind of stretcher as claimed in claim 1 is characterized in that this wheel unit is provided with the single wheel axle, and it is arranged on a side of axletree.

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