CN215020667U

CN215020667U - Foldable portable stretcher

Info

Publication number: CN215020667U
Application number: CN202120883434.6U
Authority: CN
Inventors: 吕伟; 夏玲; 王德隆; 刘洁
Original assignee: 8th Medical Center of PLA General Hospital
Current assignee: 8th Medical Center of PLA General Hospital
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-12-07
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a collapsible portable stretcher, including preceding stretcher and back stretcher, connect through two connectors between preceding stretcher and the back stretcher, preceding stretcher includes first shadoof and second shadoof, first shadoof and second shadoof keep parallel, and first shadoof and second shadoof are close to the inside first rolling chamber and the second rolling chamber of having seted up respectively of one end of connector, first rolling chamber and second rolling intracavity end are provided with first reset spring and second reset spring respectively, first reset spring and second reset spring's outer end overlaps respectively and is equipped with first cloth collecting roller and second cloth collecting roller, the outer end winding of first cloth collecting roller is provided with the heavy cloth that holds, the other end that holds the heavy cloth runs through the inside wall winding in first rolling intracavity lateral wall and second rolling chamber and connects the outer end at second cloth collecting roller. The foldable portable stretcher is simple in overall structure, convenient to use, small in occupied area when folded, and convenient to transport and carry.

Description

Foldable portable stretcher

Technical Field

The utility model relates to a stretcher field especially relates to a collapsible portable stretcher.

Background

The rescue stretcher is a necessary device for rescue, and consists of two bearing rods and a piece of bearing cloth, wherein the length of the rescue stretcher is larger than the height of a common person and is generally more than 170 cm.

Present stretcher is mostly fixed structure, and is undetachable and folding, when the rescue was used, needs special personnel to carry to because the volume is great, carry the volume less, when the volume of needs is more, the transport of stretcher became very headache problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a foldable portable stretcher.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a foldable portable stretcher comprises a front stretcher and a rear stretcher, wherein the front stretcher and the rear stretcher are connected through two connectors;

the front stretcher comprises a first lifting rod and a second lifting rod, the first lifting rod and the second lifting rod are kept parallel, a first rolling cavity and a second rolling cavity are respectively formed in one ends, close to connectors, of the first lifting rod and the second lifting rod, first return springs and second return springs are respectively arranged at the inner ends of the first rolling cavity and the second rolling cavity, first cloth collecting rollers and second cloth collecting rollers are respectively sleeved at the outer ends of the first return springs and the second return springs, bearing cloth is wound at the outer ends of the first cloth collecting rollers, and the other ends of the bearing cloth penetrate through the inner side wall of the first rolling cavity and the inner side wall of the second rolling cavity and are connected to the outer end of the second cloth collecting rollers in a winding mode;

the inner fixed pivot that is provided with of second rolling chamber department that is close to of second shadoof, the outer end of pivot is rotated the cover and is equipped with the fixed plate, the inside wall of second shadoof has seted up the rectangular channel by the front end, the other end of fixed plate is connected on first shadoof inside wall.

As a further description of the above technical solution:

the front stretcher and the rear stretcher are identical in structure.

As a further description of the above technical solution:

the utility model discloses a connector, including connector, first shadoof, second shadoof, first shadoof and second shadoof are close to the equal fixedly connected with connecting rod of one end of connector, and the connecting rod rotates the cover and establishes on the fixed axle.

As a further description of the above technical solution:

the one end fixedly connected with plug that the pivot was kept away from to the fixed plate, set up the jack that corresponds with the plug on the inside wall of first shadoof, the plug runs through the jack and leads to first shadoof inner.

As a further description of the above technical solution:

the one end that the connector was kept away from to first shadoof and second shadoof all is equipped with anti-skidding cover.

As a further description of the above technical solution:

the first lifting rod and the second lifting rod are both made of stainless steel tube materials, and the thickness of the inner wall of each steel tube is 3-4 mm.

As a further description of the above technical solution:

one side fixedly connected with handle that the fixed plate kept away from the second shadoof.

The utility model discloses following beneficial effect has:

1. the utility model discloses a stretcher overall structure is simple, and the stretcher is whole can fold the shrink, and when whole device was packed up, becomes four poles side by side, and the structure is very little, saves a large amount of occupation of land spaces, and the transportation of being convenient for is carried.

2. The utility model discloses a stretcher convenient to use opens the parallel state earlier with four shadoods to both sides during the use, then pulls open around the shadoods, makes the bearing cloth open, pulls out the fixed plate again, makes the plug on the fixed plate insert the jack inner, and the stretcher is opened and fixed this moment, and easy operation is opened and is packed up all and convenient.

Drawings

Fig. 1 is an axonometric view of the open state of a foldable portable stretcher proposed by the present invention;

fig. 2 is a cross-sectional view of a front stretcher of a foldable portable stretcher provided by the utility model;

fig. 3 is a top view of a foldable portable stretcher according to the present invention;

fig. 4 is a schematic view of the foldable portable stretcher according to the present invention in a folded state.

Illustration of the drawings:

1. a front stretcher; 2. a rear stretcher; 3. a connector; 4. a first lifting bar; 5. a second lifting bar; 6. a second winding cavity; 7. a first winding cavity; 8. a first return spring; 9. a second return spring; 10. a first cloth collecting roller; 11. a second cloth collecting roller; 12. carrying out load bearing cloth; 13. a rotating shaft; 14. a rectangular groove; 15. a fixing plate; 16. a plug; 17. a jack; 18. an anti-slip sleeve; 19. a connecting rod; 20. a movable groove; 21. and fixing the shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a foldable portable stretcher comprises a front stretcher 1 and a rear stretcher 2, wherein the front stretcher 1 and the rear stretcher 2 are connected through two connectors 3, and the front stretcher 1 and the rear stretcher 2 have the same structure;

the front stretcher 1 comprises a first lifting rod 4 and a second lifting rod 5, wherein the ends, far away from a connector 3, of the first lifting rod 4 and the second lifting rod 5 are respectively sleeved with an anti-skidding sleeve 18, the anti-skidding sleeves 18 can effectively prevent hands from sliding with a tube body when in use, the first lifting rod 4 and the second lifting rod 5 are both made of stainless steel tube materials, the thickness of the inner wall of each steel tube is 3-4mm, the device is ensured to have enough strength, the first lifting rod 4 and the second lifting rod 5 are kept parallel, a first rolling cavity 7 and a second rolling cavity 6 are respectively arranged inside the ends, near the connector 3, of the first lifting rod 4 and the second lifting rod 5, a first return spring 8 and a second return spring 9 are respectively arranged at the inner ends of the first rolling cavity 7 and the second rolling cavity 6, a first cloth collecting roller 10 and a second cloth collecting roller 11 are respectively sleeved at the outer ends of the first return spring 8 and the second return spring 9, and a load-bearing cloth 12 is wound at the outer end of the first cloth collecting roller 10, the other end of the bearing cloth 12 penetrates through the inner side wall of the first rolling cavity 7 and the inner side wall of the second rolling cavity 6 to be wound and connected at the outer end of the second cloth collecting roller 11, and the bearing cloth 12 can be opened when the first lifting rod 4 and the second lifting rod 5 are pulled open during use.

A rotating shaft 13 is fixedly arranged at the inner end of the second lifting rod 5 close to the second rolling cavity 6, a fixing plate 15 is rotatably sleeved at the outer end of the rotating shaft 13, a rectangular groove 14 is formed in the inner side wall of the second lifting rod 5 close to the front end, the other end of the fixing plate 15 is connected to the inner side wall of the first lifting rod 4, a handle is fixedly connected to one side, away from the second lifting rod 5, of the fixing plate 15, the handle can facilitate pulling out of the fixing plate 15, a plug 16 is fixedly connected to one end, away from the rotating shaft 13, of the fixing plate 15, a jack 17 corresponding to the plug 16 is formed in the inner side wall of the first lifting rod 4, the plug 16 penetrates through the jack 17 to be communicated with the inner end of the first lifting rod 4, the first lifting rod 4 and the second lifting rod 5 are firstly pulled open when in use, then the fixing plate 15 is pulled out of the inner end of the rectangular groove 14 through the handle, the other end of the fixing plate 15 is clamped at the inner end of the jack 17 through the plug 16, at this time, the fixing plate 15 is just perpendicular to the first lifting rod 4 and the second lifting rod 5, the bearing cloth 12 retracts under the tension of the two return springs to drive the two lifting rods to lean against the middle to clamp the fixing plate 15, and the bearing cloth 12 can be continuously opened for 20-30cm, so that a patient can slightly sink when lying on the cloth, and the patient is prevented from sliding down from two sides.

Activity groove 20 has all been seted up to the both ends inside of connector 3, and fixedly connected with fixed axle 21 between the both sides wall of activity groove 20, the equal fixedly connected with connecting rod 19 of one end that first shadoof 4 and second shadoof 5 are close to connector 3, and connecting rod 19 rotates the cover and establishes on fixed axle 21, first shadoof 4 and second shadoof 5 are when connector 3 inner rotates, the turned angle scope is 0-90, when rotating to both sides, can rotate pole body upside and 3 parallel and level of connector, when patient lies on the top, connector 3 just blocks the inner of four shadoofs, just place side by side when the shadoof packs up, as shown in fig. 4.

The working principle is as follows: during the use, open preceding stretcher 1 and back stretcher 2 to both sides earlier, make it be located same horizontal plane, next, pull open first shadoof 4 and second shadoof 5, pull out fixed plate 15 from rectangular channel 14 the inner through the handle, pass through plug 16 card with the other end of fixed plate 15 at the jack 17 the inner, the stretcher monolithic stationary this moment, can begin to use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a collapsible portable stretcher, includes preceding stretcher (1) and back stretcher (2), its characterized in that: the front stretcher (1) and the rear stretcher (2) are connected through two connectors (3);

the front stretcher (1) comprises a first lifting rod (4) and a second lifting rod (5), the first lifting rod (4) and the second lifting rod (5) are kept parallel, and a first rolling cavity (7) and a second rolling cavity (6) are respectively arranged inside one ends of the first lifting rod (4) and the second lifting rod (5) close to the connector (3), the inner ends of the first rolling cavity (7) and the second rolling cavity (6) are respectively provided with a first return spring (8) and a second return spring (9), the outer ends of the first return spring (8) and the second return spring (9) are respectively sleeved with a first cloth collecting roller (10) and a second cloth collecting roller (11), the outer end of the first cloth collecting roller (10) is wound with a load-bearing cloth (12), the other end of the load-bearing cloth (12) penetrates through the inner side wall of the first winding cavity (7) and the inner side wall of the second winding cavity (6) and is wound and connected to the outer end of the second cloth collecting roller (11);

second lifting rod (5) the inner is close to second rolling chamber (6) and locates fixed being provided with pivot (13), the outer end of pivot (13) is rotated the cover and is equipped with fixed plate (15), rectangular channel (14) have been seted up by the front end to the inside wall of second lifting rod (5), the other end of fixed plate (15) is connected on first lifting rod (4) inside wall.

2. The foldable portable stretcher according to claim 1, characterized in that: the front stretcher (1) and the rear stretcher (2) have the same structure.

3. The foldable portable stretcher according to claim 1, characterized in that: activity groove (20) have all been seted up to the both ends inside of connector (3), and fixedly connected with fixed axle (21) between the both sides wall in activity groove (20), the equal fixedly connected with connecting rod (19) of one end that first shadoof (4) and second shadoof (5) are close to connector (3), and connecting rod (19) rotate the cover and establish on fixed axle (21).

4. The foldable portable stretcher according to claim 1, characterized in that: one end fixedly connected with plug (16) of pivot (13) is kept away from in fixed plate (15), jack (17) that correspond with plug (16) are seted up on the inside wall of first shadoof (4), plug (16) run through jack (17) and lead to first shadoof (4) inner.

5. The foldable portable stretcher according to claim 1, characterized in that: the anti-skidding sleeve (18) is sleeved at one end, far away from the connector (3), of the first lifting rod (4) and the second lifting rod (5).

6. The foldable portable stretcher according to claim 1, characterized in that: the first lifting rod (4) and the second lifting rod (5) are both made of stainless steel tube materials, and the thickness of the inner wall of each steel tube is 3-4 mm.

7. The foldable portable stretcher according to claim 1, characterized in that: and a handle is fixedly connected to one side of the fixing plate (15) far away from the second lifting rod (5).