CN2548611Y

CN2548611Y - Folding stretcher vehicle

Info

Publication number: CN2548611Y
Application number: CN 02267381
Authority: CN
Inventors: 薛致祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-06-05
Filing date: 2002-06-05
Publication date: 2003-05-07
Anticipated expiration: 2012-06-05

Abstract

The utility mode provides a foldable stretcher vehicle. The rear, the middle and the front of the bed surface are moveably connected with a pin shaft through a shaft sleeve, and the middle of the two sides of the middle part of the bed surface is fixed with a splint, and a wheel arm has a sliding connection with a splint axle pin. One end of the wheel arms on two sides is connected with a through shaft bearing, and the through shaft is vertically and fixedly connected with a cross wheel stand. A pin column on the rear end of the splint has a sliding connection with a plurality of holes on a supporting bar, and the supporting bar is fixedly connected with one end of the two sides of the bed surface, and a collision pin and the wheel arm have an active connection with the pin shaft through a shaft sleeve. One end collar of the collision pin is vertically parallel to the splint, and the other end is fixedly connected with the wheel arm through a spring; the rear of the bed surface is connected with the front of the bed surface through a connecting rod. The connecting rod is an active connecting rod whose one end is fixedly connected with the front of the bed surface, and the other end has an active connection with the rear of the bed surface. The foldable stretcher vehicle can rapidly and safely convey the patient from the upper floor, which can run in the stairs and also can step cross a barrier less than 15 centimeters, as well has vibration reduction function.

Description

The folding stretcher car

Affiliated technical field

This utility model belongs to hospital and is used for first-aid patients

Background technology

The stretcher of hospital's use at present has two kinds of forms: a kind of is fixed stretcher, and four fixed support arms are arranged under its vehicle body, and the fixed wheel of both direction is installed in the lower end of preceding two support arms, and two universal wheels are installed in back two support arm lower ends; Another kind is the folding stretcher car, two universal wheels are installed in the lower end of last pair of support arm, two universal wheels are installed in the lower end of the one pair of support arm in back, these two kinds of stretchers must travel on more smooth road surface when using, but often get into trouble in daily use, and it is more and more that city, the cities and towns people live building now, when having patient to be sent to hospital among the manager, this stretcher just can't need the personnel selection back of the body with patient from rapid, safe delivering to downstairs upstairs, wastes time and energy, dangerous.

Summary of the invention

The purpose of this utility model is that a kind of energy is quick in order to provide, from transporting the folding stretcher car that gets off upstairs, it not only can move in the stair road safety, can also cross over the barrier below 15 centimeters, has the characteristics of vibration-damping function with patient.

The new novel purpose of this practicality is achieved through the following technical solutions, the folding stretcher car, it has the bed surface rear portion, the bed surface middle part, the bed surface front portion, bed surface rear portion and bed surface middle part, the bed surface front portion flexibly connects by axle sleeve and bearing pin, center fixed has clamping plate in both sides, bed surface middle part, wheel arm and clamping plate pivot pin are slidingly connected, be connected with the axis bearing at two side wheel arms, one end, axis is connected with " cross " wheel carrier vertical fixing, the pin of clamping plate rearward end setting and a plurality of holes on the cramp bar are slidingly connected, cramp bar is fixedlyed connected with an end of bed surface both sides, the collision pin flexibly connects by axle sleeve and bearing pin with the wheel arm, collision pin one end dop and clamping plate parallel longitudinal, the other end is fixedlyed connected with the wheel arm by spring; The bed surface rear portion is connected by connecting rod with the bed surface front portion, and connecting rod is that movable rod, one end are fixedlyed connected with the bed surface front portion, the other end and bed surface rear portion flexibly connect.Described " cross " wheel carrier is fixedly to be formed by the vertical stack of sliding shaft sleeve on two, at each sliding shaft sleeve outer side center and the equidirectional guideway that is installed with respectively of sliding shaft sleeve, 4 sliding axles are inserted respectively in the sliding shaft sleeve of two " cross " wheel carriers, insert 4 axis of guides in the guideway respectively again, its axis of guide is longer than guideway, the axis of guide both sides that grow are inserted in spring respectively, when sliding axle is parallel with the axis of guide, sliding axle two-end-point two end points with the axis of guide respectively is adjacent, two adjacent end points are fixed on an end of same " U " shape support arm by screw, the other end of " U " shape support arm bearing of the fixedly connected wheel subcenter of screw, fixed fluted disc on axis, fluted disc is meshed with fluted disc in bag lock co-axial two fluted discs by chain, another fluted disc on the bag lock is by the fluted disc engagement of chain and generator coaxle, electromotor is connected in series by lead and bulb, the shell of electromotor is fixed on the bed surface middle part, and bag lock shell is fixed on the clamping plate.

The beneficial effects of the utility model are to use convenience, safe and reliable, time saving and energy saving, parallel motion on both can ground, also can push in the emergency tender, can also in the stair road, move, and can also regulate solution voluntarily and move inflexible problem because of the different stretchers of stairway step height, and can cross over barrier below 15 centimeters, have the characteristics of vibration-damping function.

Description of drawings

With reference to the accompanying drawings this utility model is elaborated:

Fig. 1 is a main TV structure sketch map of the present utility model;

Fig. 2 is Fig. 1 user mode figure on the ground;

Fig. 3 is the user mode figure of Fig. 1 on stair;

Fig. 4 is the user mode figure of Fig. 1 when entering ambulance;

Among the figure, the 1st, bed surface rear portion, the 2nd, bed surface middle part, the 3rd, bed surface front portion, the 4th, connecting rod, the 5th, wheel arm, the 6th, positioning support bar, the 7th, axis, the 8th, " cross " shape wheel carrier, the 9th, guideway, the 10th, sliding axle, the 11st, the axis of guide, the 12nd, spring, the 13rd, " U " type support arm, the 14th, wheel, the 15th, fluted disc, the 16th, chain, the 17th, fluted disc, the 18th, fluted disc, the 19th, bag lock, the 20th, chain, the 21st, fluted disc, the 22nd, electromotor, the 23rd, bulb, the 24th, lead, the 25th, brake cable, the 26th, brake lever, the 27th, help wheel, the 28th, collision pin, the 29th, seat belt, the 30th, clamping plate.

The specific embodiment

The folding stretcher car, it has bed surface rear portion 1, bed surface middle part 2, bed surface front portion 3, it is characterized in that: bed surface rear portion 1 and bed surface middle part 2, bed surface front portion 3 flexibly connects by axle sleeve and bearing pin, 2 both sides center fixed have clamping plate 30 at the bed surface middle part, wheel arm 5 is slidingly connected with clamping plate 30 pivot pins, be connected with axis 7 bearings at two side wheel arms, 5 one ends, axis 7 is connected with " cross " wheel carrier 8 vertical fixing, the pin of clamping plate 30 rearward end settings and a plurality of holes on the cramp bar 6 are slidingly connected, cramp bar 6 is fixedlyed connected with an end of bed surface 1 both sides, collision pin 28 flexibly connects by axle sleeve and bearing pin with wheel arm 5, collision pin 28 1 end dops and clamping plate 30 parallel longitudinals, the other end is fixedlyed connected with wheel arm 5 by spring; Bed surface rear portion 1 and bed surface anterior 3 are connected by connecting rod 4, and connecting rod 4 is that movable rod, one end are fixedlyed connected with bed surface front portion 3, the other end and 1 flexible connection of bed surface rear portion.Described " cross " wheel carrier 8 is fixedly to be formed by the vertical stack of sliding shaft sleeve on two, at each sliding shaft sleeve outer side center and the equidirectional guideway 9 that is installed with respectively of sliding shaft sleeve, 4 sliding axles 10 are inserted respectively in the sliding shaft sleeve of two " cross " wheel carriers 8, again 4 axis of guides 11 are inserted respectively in the guideway 9, its axis of guide 11 is longer than guideway 9, spring 12 is inserted at the axis of guide 11 two ends that grow respectively, when sliding axle 10 and the axis of guide 11 are parallel, sliding axle 10 two-end-points two ends with the axis of guide 11 respectively are adjacent, two adjacent end points are fixed on an end of same " U " shape support arm 13 by screw, the other end of " U " shape support arm 13 bearing of the fixedly connected wheel subcenter of screw, fixed fluted disc 15 on axis 7, fluted disc 15 is meshed with fluted disc 17 in bag lock 19 co-axial two fluted discs by chain 16, another fluted disc 18 on the bag lock 19 is by chain 20 and electromotor 22 co-axial fluted disc 21 engagements, electromotor 22 is connected in series by lead 24 and bulb 23, the shell of electromotor 22 is fixed on the bed surface middle part 2, and bag lock 19 shells are fixed on the clamping plate 30.

During use, earlier patient is lain low on this utility model, when going downstairs if desired, can be according to corridor width, regulate the tilt angle of bed surfaces 1 by positioning support bar 6, and bed surface 3 also along with the angle of bed surface 1 upwards and adjust angle downwards, patient is sits the position of lying.Be that the brake cable 25 of tension brake lever 26 makes 3 wheels in 4 wheels of each " cross " shape wheel unsettled, has only two wheels motions with angle, reaches the purpose of turning round when needs turn round.When this utility model is gone downstairs, " cross " shape wheel carrier 8 rotates, revolving force is delivered to electromotor 22 by axis 7, fluted disc 15, chain 16, fluted disc 17, chain 20, fluted disc 18, fluted disc 21 produces electric energy, again electric energy is passed to bulb 23 by lead 24, so just controlled stretcher effectively and on stair, produced the phenomenon that glides because of acceleration of gravity.In the time of in this utility model is placed on ambulance, the collision pin 28 on the wheel arm 5 and the afterbody of ambulance are collided, " cross " shape wheel is folded up can be lain in the ambulance, it is few to take interior space.

Claims

1, the folding stretcher car, it has bed surface rear portion (1), bed surface middle part (2), bed surface front portion (3), it is characterized in that: bed surface rear portion (1) and bed surface middle part (2), bed surface front portion (3) flexibly connects by axle sleeve and bearing pin, center fixed has clamping plate (30) in (2) both sides, bed surface middle part, wheel arm (5) is slidingly connected with clamping plate (30) pivot pin, be connected with axis (7) bearing at two side wheel arms (5) one ends, axis (7) is connected with " cross " wheel carrier (8) vertical fixing, pin that clamping plate (30) rearward end is provided with and a plurality of holes on the cramp bar (6) are slidingly connected, cramp bar (6) is fixedlyed connected with an end of bed surface (1) both sides, collision pin (28) flexibly connects by axle sleeve and bearing pin with wheel arm (5), collision pin (28) one end dops and clamping plate (30) parallel longitudinal, the other end is fixedlyed connected with wheel arm (5) by spring; Bed surface rear portion (1) is connected by connecting rod (4) with bed surface front portion (3), and connecting rod (4) is that movable rod, one end are fixedlyed connected with bed surface front portion (3), the other end and bed surface rear portion (1) flexibly connect.

2, folding stretcher car according to claim 1, it is characterized in that: described " cross " wheel carrier (8) is fixedly to be formed by the vertical stack of sliding shaft sleeve on two, at each sliding shaft sleeve outer side center and the equidirectional guideway (9) that is installed with respectively of sliding shaft sleeve, 4 sliding axles (10) are inserted respectively in the sliding shaft sleeve of two " cross " wheel carriers (8), again 4 axis of guides (11) are inserted respectively in the guideway (9), its axis of guide (11) is longer than guideway (9), the axis of guide that grows (11) both sides are inserted in spring (12) respectively, when sliding axle (10) is parallel with the axis of guide (11), sliding axle (10) two-end-point two end points with the axis of guide (11) respectively is adjacent, two adjacent end points are fixed on an end of same " U " shape support arm (13) by screw, and the other end of " U " shape support arm (13) is with the bearing of the fixedly connected wheel subcenter of screw.

3, folding stretcher car according to claim 1, it is characterized in that upward fixed fluted disc (15) of described axis (7), fluted disc (15) is meshed with fluted disc (17) in bag lock (19) co-axial two fluted discs by chain (16), another fluted disc (18) on the bag lock (19) is by chain (20) and the co-axial fluted disc of electromotor (22) (21) engagement, electromotor (22) is connected in series by lead (24) and bulb (23), the shell of electromotor (22) is fixed on the bed surface middle part (2), and bag lock (19) shell is fixed on the clamping plate (30).