CN110251319B

CN110251319B - Stretcher device capable of being folded and unfolded quickly

Info

Publication number: CN110251319B
Application number: CN201910680125.6A
Authority: CN
Inventors: 尹清; 杨庆宇; 马远征; 朱成超; 朱成剑
Original assignee: Peoples Hospital of Hebi
Current assignee: Peoples Hospital of Hebi
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2021-02-09
Anticipated expiration: 2039-07-26
Also published as: CN110251319A

Abstract

The invention discloses a stretcher device capable of being folded and unfolded rapidly, which comprises two stretcher fixing rods, wherein a folding bed board device is arranged between the two stretcher fixing rods, a folding sliding leg device is arranged below the stretcher fixing rods, and a folding cross rod device is arranged between the two stretcher fixing rods. The position of the square supporting leg is adjusted through the matching of the 90-degree movable seat and the square supporting leg and the movable adjustment of the limiting rod and the matching of the limiting magnet III on the limiting block and the limiting magnet I and the limiting magnet II respectively, so that the square supporting leg can support the unfolded stretcher bed and assist the stretcher bed to move, and the folded stretcher bed can slide stably, and the stretcher bed can move conveniently; through the folding of two sets of folding horizontal poles to the elasticity of cooperation spring bolt, thereby the equipment of quick completion stretcher saves the expansion and the equipment time of stretcher, makes things convenient for staff's operation.

Description

Stretcher device capable of being folded and unfolded quickly

Technical Field

The invention relates to the field of medical related equipment, in particular to a stretcher device capable of being folded and unfolded quickly.

Background

As is known, stretchers are common tools for emergency medical treatment, and currently, stretchers equipped in hospitals have significant drawbacks: the volume is bigger, the weight is heavier, meanwhile, the contractibility is not strong, the folding is not possible, and the carrying is inconvenient.

In patent cn201410159324. x-a foldable medical stretcher, two sides of the stretcher are detachably embedded in a first notch and a second notch on two sides of a lifting bar respectively, so that the stretcher cloth is convenient to fold and replace, and meanwhile, the stretcher cloth is very convenient to install.

However, although the folded stretcher can save space, when the stretcher is carried by a worker, the stretcher needs to be lifted by the worker for carrying, which wastes a lot of labor.

Disclosure of Invention

The invention aims to solve the problems, designs a stretcher device capable of being folded and unfolded quickly, has the functions of being folded quickly and being convenient to move, solves the problems of overlarge weight and labor-consuming transportation of the existing stretcher after being folded, and also solves the problem that a patient needs to be lifted by a plurality of people after lying on the stretcher.

The technical scheme of the invention is that the stretcher device capable of being folded and unfolded rapidly comprises two stretcher fixing rods, a folding bed board device is arranged between the two stretcher fixing rods, a folding sliding leg device is arranged below the stretcher fixing rods, and a folding cross rod device is arranged between the two stretcher fixing rods;

the folding type sliding leg device comprises two 90-degree movable seats arranged at two sides of the center below a stretcher bed fixing rod, two small bearings arranged at two ends below the 90-degree movable seats, small rotating shafts arranged in the small bearings, a square leg arranged between the two small rotating shafts, a rotating bearing arranged at the lower end of the square leg, a rotating shaft arranged in the rotating bearing, triangular rotating plates arranged at two ends of the rotating shaft, pulley bearings arranged at three corners of the triangular rotating plates, pulley shafts arranged in the pulley bearings, sliding wheels arranged on the pulley shafts, two limiting square grooves arranged at two sides of the center below the stretcher bed fixing rod, the limiting square grooves positioned at one side of the 90-degree movable seats, a first limiting magnet arranged in each limiting square groove, and two trapezoidal limiting grooves arranged at two ends below the stretcher bed fixing rod, trapezoidal spacing inslot internally mounted has spacing magnet two, install spacing support on the square landing leg side surface, install two spacing bearings on the spacing support, install spacing pivot between two spacing bearings, clockwork spring is installed at the both ends of spacing pivot, clockwork spring and spacing support fixed connection, install the gag lever post in the spacing pivot, the one end of gag lever post is equipped with the sliding seat, be connected through loose axle and loose bearing between sliding seat and the gag lever post, the stopper is installed to the sliding seat top, surface mounting has spacing magnet three on the stopper.

Folding horizontal pole device includes two 90 folding seats are installed at stretcher dead lever one side surface both ends, install two little folding bearings on 90 folding seats, install little folding pivot in the little folding bearing, install folding square pole between two little folding pivots, folding seat is installed to the one end of folding square pole, folding seat is connected through pivot and bearing with another folding seat on the folding square pole that corresponds on the stretcher dead lever, it has the bolt groove to open on folding square pole one side surface, install spring bolt in the bolt groove, it has the socket groove to open on folding square pole one side surface of corresponding position, install the bolt socket in the socket inslot.

The folding bed board device comprises stretcher cloth installed between the two stretcher fixing rods, a plurality of elastic belts are installed on the lower surface of the stretcher cloth and are evenly distributed on the lower surface of the stretcher cloth, two ends of each elastic belt are fixedly connected with the two stretcher fixing rods respectively, a stretcher pillow is arranged at one end of the upper surface of the stretcher cloth, and the stretcher pillow is connected with the stretcher cloth through a sticky buckle belt.

The magnetism of the first limiting magnet and the magnetism of the second limiting magnet are the same, and the magnetism of the third limiting magnet is opposite to that of the first limiting magnet and the second limiting magnet.

The movable seat is inserted into the limiting square groove and the trapezoidal limiting groove and is in movable contact with the limiting square groove and the trapezoidal limiting groove.

The square supporting legs extend out of the stretcher fixing rod after rotating to the position parallel to the stretcher fixing rod.

The stretcher fixing rod consists of two fixing square rods, a folding bearing seat, a large folding bearing and a folding rotating shaft.

The stretcher fixing rod is provided with a spring bolt and a bolt socket which are the same as those on the folding square rod.

The stretcher device which can be folded and unfolded rapidly and manufactured by the technical scheme of the invention comprises the following components:

according to the stretcher device, the position of the square supporting leg is adjusted through the matching of the 90-degree movable seat and the square supporting leg and the movable adjustment of the limiting rod and the matching of the limiting magnet III on the limiting block and the limiting magnet I and the limiting magnet II respectively, so that the square supporting leg can support the unfolded stretcher and assist the stretcher to move, and the folded stretcher can slide stably, and the movement of the stretcher is facilitated;

the stretcher device is folded by the two groups of folding cross rods and matched with the elasticity of the spring bolt, so that the stretcher is quickly assembled, the unfolding and assembling time of the stretcher is saved, and the operation of workers is facilitated.

Drawings

Fig. 1 is a schematic view of a quick-folding and unfolding stretcher apparatus according to the present invention;

FIG. 2 is a schematic view of a square leg of the present invention;

FIG. 3 is a schematic view of a stop rod according to the present invention;

FIG. 4 is a schematic view of the folding square bar of the present invention;

fig. 5 is a top view of a quick-fold and unfold cot arrangement according to the invention;

in the figure, 1, a stretcher fixing rod; 2. a 90-degree movable seat; 3. a small bearing; 4. a small rotating shaft; 5. a square leg; 6. a rotating bearing; 7. rotating the rotating shaft; 8. a triangular rotating plate; 9. a pulley bearing; 10. a pulley shaft; 11. a sliding wheel; 12. a limiting square groove; 13. a first limiting magnet; 14. a trapezoidal limiting groove; 15. a second limiting magnet; 16. a limiting support; 17. a limit bearing; 18. a limiting rotating shaft; 19. a clockwork spring; 20. a limiting rod; 21. a movable seat; 22. a movable shaft; 23. a movable bearing; 24. a limiting block; 25. a third limiting magnet; 26. a 90-degree folding seat; 27. a small folding bearing; 28. a small folding spindle; 29. folding the square rod; 30. a folding seat; 31. a rotating shaft; 32. a bearing; 33. a latch slot; 34. a spring bolt; 35. a socket slot; 36. a plug socket; 37. a stretcher cloth; 38. an elastic band; 39. a stretcher pillow; 40. a magic tape.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings, as shown in FIGS. 1-5, in this embodiment:

the invention relates to a structural design of a folding sliding support leg device, which is characterized in that the structural design of the folding sliding support leg device is combined with an attached figure 1, an attached figure 2 and an attached figure 3, the folding sliding support leg device comprises a stretcher bed fixing rod 1, two 90-degree movable seats 2 are arranged on two sides of the lower center of the stretcher bed fixing rod, two small bearings 3 are arranged at two ends of the lower portion of the 90-degree movable seats 2, small rotating shafts 4 are arranged in the small bearings 3, square support legs 5 are arranged between the two small rotating shafts 4, rotating bearings 6 are arranged at the lower ends of the square support legs 5, rotating shafts 7 are arranged in the rotating bearings 6, triangular rotating plates 8 are arranged at two ends of the rotating shafts 7, pulley bearings 9 are arranged at three corners of the triangular rotating plates 8, pulley shafts 10 are arranged in the pulley bearings 9, sliding wheels 11 are arranged on the pulley shafts 10, two limit square grooves 12 are arranged on two, a first limiting magnet 13 is arranged inside the limiting square groove 12, two trapezoidal limiting grooves 14 are formed in two ends of the lower surface of the stretcher fixing rod 1, a second limiting magnet 15 is arranged inside each trapezoidal limiting groove 14, a limiting support 16 is arranged on the side surface of the square supporting leg 5, two limiting bearings 17 are arranged on each limiting support 16, a limiting rotating shaft 18 is arranged between the two limiting bearings 17, a clockwork spring 19 is arranged at two ends of each limiting rotating shaft 18, the clockwork spring 19 is fixedly connected with the limiting support 16, a limiting rod 20 is arranged on each limiting rotating shaft 18, a movable seat 21 is arranged at one end of each limiting rod 20, the movable seat 21 is connected with the limiting rod 20 through a movable shaft 22 and a movable bearing 23, a limiting block 24 is arranged above the movable seat 21, and a third limiting magnet 25; the three sliding wheels 11 are arranged on the triangular rotating plate 8 on the square supporting leg 5, the stretcher can slide stably when being folded and unfolded under the action of the three sliding wheels 11, so that the stretcher is convenient for workers to use, the physical strength of the workers is saved, meanwhile, the square supporting leg 5 can be fixed in parallel with the stretcher fixing rod 1 through the mutual attraction of the limiting magnet II 15 and the limiting magnet III 25 in the trapezoidal limiting groove 14, the square supporting leg 5 can be vertically fixed with the stretcher fixing rod 1 through the mutual attraction of the limiting magnet I13 and the limiting magnet III 25 in the limiting square groove 12, the limiting block 24 can slide on the stretcher fixing rod 1 through the magnetic force of the limiting magnet III 25 and the elastic action of the spiral spring 19, so that the square supporting leg 5 can be automatically fixed, and the operation of the workers is saved, the use of staff is convenient.

The invention is characterized in the structural design of a folding cross rod device, and by combining the attached drawings 1, 4 and 5, the folding cross rod device comprises two 90-degree folding seats 26 arranged at two ends of the side surface of one side of a stretcher fixing rod 1, two small folding bearings 27 arranged on the 90-degree folding seats 26, small folding rotating shafts 28 arranged in the small folding bearings 27, a folding square rod 29 arranged between the two small folding rotating shafts 28, a folding seat 30 arranged at one end of the folding square rod 29, the folding seat 30 connected with a corresponding folding seat 30 on the folding square rod 29 on the other stretcher fixing rod 1 through a rotating shaft 31 and a bearing 32, a pin slot 33 arranged on the side surface of one side of the folding square rod 29, a spring pin 34 arranged in the pin slot 33, a socket slot 35 arranged on the side surface of one side of the folding square rod 29 at a corresponding position, and a pin socket 36 arranged in the socket slot 35; through the folding and unfolding of the folding square rod 29 and the matching of the spring bolt 34 and the bolt socket 36, the folding and unfolding of the stretcher bed can be rapidly completed, so that the stretcher bed can be conveniently carried and stored.

In the device, the folding bed board device enables the stretcher cloth 37 to be rapidly contracted and expanded through the matching of the stretcher cloth 37 and the elastic belt 38, and meanwhile, the sticking buckle belt 40 is arranged on the stretcher cloth 37 to fix the stretcher pillow 39, so that the falling of the stretcher pillow 39 is effectively avoided.

The working principle of the device is as follows: when the device needs to be used, a worker firstly takes out the device, the device is in a folded state at the moment, the worker erects the device, so that the sliding wheels 11 on the triangular rotating plate 8 below the square supporting legs 5 are in contact with the ground, the device is supported by the two sliding wheels 11 on the triangular rotating plate 8, and the worker can manually push the folded device to move;

after the device is moved to a patient, at the moment, a worker manually unfolds the stretcher fixing rod 1 to enable a fixing square rod on the stretcher fixing rod 1 to unfold under the action of a folding bearing seat, a large folding bearing and a folding rotating shaft, so that the stretcher fixing rod 1 is assembled; at the moment, the staff can make the spring bolt 34 inserted into the bolt socket 36 by pulling the spring bolt 34, so as to fix the stretcher fixing rod 1;

after the fixing of the stretcher fixing rods 1 is finished, the worker pushes the two stretcher fixing rods 1 away manually, the stretcher cloth 37 is driven to unfold along with the movement of the stretcher fixing rods 1, the elastic belt 38 unfolds along with the unfolding of the stretcher cloth 37, the folding square rods 29 start to rotate on the 90-degree folding seats due to the movement of the stretcher fixing rods 1, one ends of the two folding square rods 29 start to rotate under the action of the folding seats 30, the rotating shafts 31 and the bearings 32, and when the two folding square rods 29 respectively rotate to the positions vertical to the stretcher fixing rods 1, the two folding square rods 29 are positioned on the same straight line;

at the moment, the worker pokes the spring bolt 34 in the bolt groove 33 to enable the spring bolt 34 to be inserted into the bolt socket 36 in the socket groove 35, so that the two folding square rods 29 are unfolded, and at the moment, the stretcher bed surface is completely unfolded;

at the moment, the worker lifts the stretcher fixing rod 1, manually pushes the square supporting leg 5 to enable the square supporting leg 5 to start rotating along the 90-degree movable seat 2, simultaneously, the movable seat 21 is driven to start moving out of the trapezoidal limiting groove 14 under the action of the limiting support 16 and the limiting rod 20 along with the rotation of the square supporting leg 5, the limiting rod 20 is lifted upwards under the action of the clockwork spring 19 on the limiting rotating shaft 18 on the limiting support 16, the limiting block 24 on the movable seat 21 is in contact with the stretcher fixing rod 1, and the limiting block 24 is still adsorbed on the stretcher fixing rod 1 and slides on the stretcher fixing rod 1 under the action of three 25 magnetic forces of the limiting magnet;

when the square supporting leg 5 rotates to be perpendicular to the stretcher fixing rod 1, the limiting rod 20 drives the movable seat 21 and the limiting block 24 to move into the limiting square groove 12 under the action of the clockwork spring 19, and the square supporting leg 5 is fixed in the limiting square groove 12 through the mutual attraction of the limiting magnet I13 and the limiting magnet III 25;

at this time, the stretcher bed is completely unfolded, and at this time, the staff carries the patient to the stretcher cloth 37 by matching with other staff, and the patient can be moved to the ambulance by the pushing device;

when moving to one side of the ambulance, the patient and the device are pushed into the ambulance by retracting the two square legs 5 at one end of the stretcher fixing rod 1 and lifting one end with the assistance of the staff, and when pushing half, the two square legs 5 at the other end are retracted and lifting the other end of the device with the assistance of the staff, so that the device and the patient are completely pushed into the ambulance;

after the use, the worker takes out the limiting block 24 from the limiting square groove 12 by hand, and the square supporting legs 5 are rotated to be parallel to the stretcher fixing rod 1, at the moment, the limiting blocks 24 move into the trapezoidal limiting grooves 14, the second limit magnet 15 and the third limit magnet 25 are fixed through magnetism, and then the spring bolt 34 on the folding square rod 29 is pulled out, thereby rotating the folding square bar 29 along the rotating shaft 31, combining the stretcher fixing rods 1, simultaneously driving the stretcher cloth 37 to contract through the elastic contraction of the elastic belt 38, thereby completing the folding of the stretcher cloth 37, at this time, the spring bolt 34 on the stretcher fixing rod 1 is pulled out, and will fix the square pole and fold through the effect of folding bearing frame, big folding bearing and folding pivot to accomplish the device folding, alright place fixed position department with the device.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. A stretcher device capable of being folded and unfolded rapidly comprises two stretcher fixing rods (1), wherein a folding bed board device is arranged between the two stretcher fixing rods (1), and the stretcher device is characterized in that a folding sliding leg device is arranged below the stretcher fixing rods (1), and a folding cross rod device is arranged between the two stretcher fixing rods (1);

the folding sliding leg device comprises two 90-degree movable seats (2) installed on two sides of the center of the lower part of a stretcher fixing rod (1), two small bearings (3) installed at two ends of the lower part of the 90-degree movable seats (2), small rotating shafts (4) installed in the small bearings (3), a square supporting leg (5) installed between the two small rotating shafts (4), a rotating bearing (6) installed at the lower end of the square supporting leg (5), a rotating shaft (7) installed in the rotating bearing (6), triangular rotating plates (8) installed at two ends of the rotating shaft (7), pulley bearings (9) installed at three corners of the triangular rotating plates (8), pulley shafts (10) installed in the pulley bearings (9), sliding wheels (11) installed on the pulley shafts (10), two limiting square grooves (12) opened on two sides of the center of the lower surface of the stretcher fixing rod (1), spacing square groove (12) are located one side of 90 sliding seat (2), spacing square groove (12) internally mounted has spacing magnet (13), open at stretcher dead lever (1) lower surface both ends has two trapezoidal spacing grooves (14), trapezoidal spacing groove (14) internally mounted has spacing magnet two (15), install spacing support (16) on square landing leg (5) side surface, install two spacing bearings (17) on spacing support (16), install spacing pivot (18) between two spacing bearings (17), clockwork spring (19) are installed at the both ends of spacing pivot (18), clockwork spring (19) and spacing support (16) fixed connection, install gag lever post (20) on spacing pivot (18), the one end of gag lever post (20) is equipped with sliding seat (21), link to each other through loose axle (22) and loose bearing (23) between sliding seat (21) and gag lever post (20) A limiting block (24) is arranged above the movable seat (21), and a limiting magnet III (25) is arranged on the upper surface of the limiting block (24);

the folding cross rod device comprises two 90-degree folding seats (26) installed at two ends of the side surface of one side of a stretcher fixing rod (1), two small folding bearings (27) are installed on the 90-degree folding seats (26), small folding rotating shafts (28) are installed in the small folding bearings (27), two folding square rods (29) are installed between the small folding rotating shafts (28), folding seats (30) are installed at one ends of the folding square rods (29), the folding seats (30) on the folding square rods (29) corresponding to the folding seats (30) on the other stretcher fixing rod (1) are connected with bearings (32) through rotating shafts (31), a plug pin groove (33) is formed in the side surface of one side of each folding square rod (29), a spring plug pin (34) is installed in the plug pin groove (33), a plug slot (35) is formed in the side surface of one side of the folding square rod (29) at a corresponding position, a plug pin socket (36) is arranged in the socket groove (35);

the folding bed board device comprises stretcher cloth (37) arranged between the two stretcher fixing rods (1), a plurality of elastic belts (38) are arranged on the lower surface of the stretcher cloth (37), the elastic belts (38) are uniformly distributed on the lower surface of the stretcher cloth (37), two ends of each elastic belt (38) are fixedly connected with the two stretcher fixing rods (1) respectively, a stretcher pillow (39) is arranged at one end of the upper surface of the stretcher cloth (37), and the stretcher pillow (39) is connected with the stretcher cloth (37) through a sticky buckle tape (40);

the stretcher fixing rod (1) consists of two fixing square rods, a folding bearing seat, a large folding bearing and a folding rotating shaft;

the square supporting legs (5) rotate to positions parallel to the stretcher fixing rods (1) and then extend out of the stretcher fixing rods (1), so that the square supporting legs (5) can support the unfolded stretcher and assist the stretcher to move, the folded stretcher can slide stably, and the stretcher is convenient to move.

2. The cot device capable of being folded and unfolded rapidly according to claim 1, wherein the first limiting magnet (13) and the second limiting magnet (15) have the same magnetism, and the third limiting magnet (25) has the opposite magnetism to the first limiting magnet (13) and the second limiting magnet (15).

3. The stretcher device capable of being folded and unfolded rapidly according to claim 1, wherein the movable seat (21) is inserted into the limit square groove (12) and the trapezoidal limit groove (14) and is in movable contact with the limit square groove (12) and the trapezoidal limit groove (14).

4. The stretcher device capable of being folded and unfolded rapidly as claimed in claim 1, wherein the stretcher fixing rod (1) is provided with the same spring bolt (34) and bolt socket (36) as those on the folding square rod.