CN213489888U - Stretcher bed - Google Patents

Abstract

The utility model discloses a stretcher, which comprises two bedstead capable of being folded together, bed legs hinged on the bedstead, a folding device, a guardrail and a transfusion frame, wherein the folding device is positioned below the bedstead, and the front side and the rear side of the folding device are symmetrically arranged for folding or unfolding the two bedstead and the bed legs; the guardrail comprises a guardrail body, wherein a guardrail frame is arranged on one side of the bedstead, the bottom of the guardrail is movably hinged on the guardrail frame, a first convex part is arranged at the bottom of the guardrail, and a concave part matched with the first convex part is arranged on the guardrail frame; the infusion support can be arranged on the folding device in a vertically movable manner. The guardrail of the utility model is arranged on the guardrail frame through the matching of the first convex part and the concave part, and the guardrail is hinged on the guardrail frame to prevent the guardrail from loosening and fixing the guardrail; the infusion support can be vertically moved and arranged on the folding device, when in use, the infusion support is lifted, and when in no use, the infusion support is descended, so that the infusion support is convenient to assemble and disassemble.

Description

Stretcher bed

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a stretcher.

Background

The guardrail of the existing portable stretcher bed is fixed and prevented from loosening through the bolts and nuts arranged on the guardrail frame, but the bolts and the nuts are matched, and if the bolts or the nuts are lost, the guardrail cannot be fixed and the guardrail cannot be prevented from loosening; in addition, when the stretcher bed needs to be folded for storage, most of the infusion supports are disassembled and then placed on the fixing frame, so that the assembly and disassembly are complicated; further improvements are needed to address the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a simple stretcher bed which does not adopt the cooperation of bolts and nuts, can fix the guardrail and prevent the guardrail from loosening and assembling and disassembling and the infusion support.

The stretcher according to the embodiment of the first aspect of the utility model comprises two bedstead capable of being folded together, bed legs hinged on the bedstead, a folding device, a guardrail and a transfusion frame, wherein the folding device is positioned below the bedstead; the guardrail comprises a guardrail frame, wherein a guardrail frame is installed on one side of the bedstead, the bottom of the guardrail can be hinged to the guardrail frame in a vertically movable manner, a first convex part is arranged at the bottom of the guardrail, and a concave part matched with the first convex part is arranged at the upper end of the guardrail frame; the infusion support is arranged on the folding device in a way of moving up and down.

According to the utility model discloses stretcher has following technological effect at least: the guardrail is arranged on the guardrail frame through the matching of the first convex part and the concave part, and the guardrail is hinged on the guardrail frame to prevent the guardrail from loosening and fixing the guardrail; the infusion support is movably arranged on the folding device up and down, when in use, the infusion support is lifted, and when in no use, the infusion support is descended, so that the infusion support is convenient to assemble and disassemble.

According to some embodiments of the utility model, the bottom of guardrail is equipped with and is located the breach of first bellying below, the guardrail frame corresponds the position of breach is equipped with the fixed column, the guardrail passes through the breach with the fixed column cooperation is so that the guardrail is in move on the guardrail frame.

According to some embodiments of the present invention, the folding device of one side comprises a joint, two pull rods, a telescopic rod and two support rods; the joint is positioned at the joint of the two bed frames and is hinged with each bed frame; the telescopic rod is connected below the joint, a first connecting rod and a second connecting rod are fixedly connected with the telescopic rod, and the first connecting rod is fixedly connected to the bottom end of the telescopic rod; the second connecting rod is positioned at the upper part of the first connecting rod; one end of each pull rod is hinged with one end rod of the second connecting rod, and the other end of each pull rod is hinged with the bed leg; one end of each support rod is hinged with the bed leg, and the other end of each support rod is hinged with the first connecting rod; when the two bed frames are in an unfolded state, the telescopic rods are contracted, the two bed frames form a plane, and each supporting rod, each pull rod and the telescopic rod form a right-angled triangle; when the two bed frames are switched to be folded, the telescopic rods are stretched, and the two bed frames are folded side by drawing close downwards.

According to some embodiments of the utility model, the joint up end is equipped with first through-hole, the infusion support install in the first through-hole, the side of joint is equipped with the second through-hole, the second through-hole is installed and is used for the elasticity the knob of infusion support.

According to some embodiments of the utility model, the telescopic link is equipped with the third through-hole, the second connecting rod be equipped with third through-hole complex pull pin.

According to some embodiments of the present invention, one the pull rod is provided with a second protrusion, and the other is provided with a rotating buckle cooperating with the second protrusion.

According to some embodiments of the invention, the support bar is provided with an extension end.

According to some embodiments of the utility model, install the cushion on the bedstead, the bedstead is equipped with the cushion hole, the cushion install in on the cushion hole.

According to some embodiments of the utility model, the footpost is equipped with the universal wheel.

According to some embodiments of the present invention, the support rod is provided with a locking hole.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a stretcher according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the guardrail and guardrail frame shown in FIG. 1;

fig. 3 is a schematic view of the folding half of the cot shown in fig. 1;

fig. 4 is a schematic view of the cot shown in fig. 1 shown in a folded configuration;

fig. 5 is a schematic view of the structure of the bottom of the cot shown in fig. 1;

FIG. 6 is an enlarged schematic view of the first condition of FIG. 1 showing the guardrail attached to the guardrail housing;

fig. 7 is an enlarged schematic view of a second case in which the guard rail shown in fig. 1 is coupled to a guard rail frame.

Reference numerals: the bed frame 100, the guardrail frame 110, the concave part 111, the fixed column 112, the cushion 120, the cushion hole 130, the bed leg 200, the universal wheel 210, the folding device 300, the joint 310, the first through hole 311, the second through hole 312, the knob 313, the pull rod 320, the second convex part 321, the rotating buckle 322, the telescopic rod 330, the first connecting rod 331, the second connecting rod 332, the pull pin 333, the supporting rod 340, the extending end 341, the lock hole 342, the third through hole 350, the guardrail 400, the first convex part 410, the notch 420 and the infusion support 500.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The utility model discloses an in the description, a plurality of meanings are one or more, and a plurality of meanings are more than two, are greater than, are less than, exceed etc. and understand not including this number, and above, below, within etc. understand including this number. It should be understood that the orientation or positional relationship referred to in the description of the orientation, such as up, down, front, rear, left, right, and middle, is based on the orientation or positional relationship shown in the drawings. The description is for convenience only and to simplify the description, and is not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

In the description of the present invention, unless otherwise explicitly defined, words such as installation and connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention by combining the specific contents of the technical solutions.

As shown in fig. 1, the stretcher according to the embodiment of the present invention comprises two bed frames 100, bed legs 200 hinged to the bed frames 100, a folding device 300, a guardrail 400 and a transfusion frame 500, wherein the folding device 300 is located below the bed frames 100, and the folding device 300 is symmetrically arranged at the front and rear sides of the bed frames 100 for folding or unfolding the two bed frames 100; a guardrail 400, wherein a guardrail frame 110 is installed on one side of the bed frame 100, the bottom of the guardrail 400 is hinged on the guardrail frame 110 in a manner of moving up and down, a first convex part 410 is arranged at the bottom of the guardrail 400, and a concave part 111 matched with the first convex part 410 is arranged at the upper end of the guardrail frame 110; the infusion stand 500 is mounted to the folding device 300 to be movable up and down. As shown in fig. 1, 2, 6 and 7, when the stretcher needs to be unfolded, the folding device 300 is adjusted to unfold the two bed frames 100 and the bed legs 200, the bottom of the guardrail 400 moves and turns upwards along the guardrail frame 110, when the guardrail 400 turns over above the guardrail frame 110, the guardrail 400 moves downwards to clamp the first convex part 410 on the concave part 111, and the infusion support 500 is lifted upwards; as shown in fig. 1, 2, 6 and 7, when the stretcher needs to be folded, the folding device 300 is adjusted to fold the two bed frames 100 and the bed legs 200, the guardrail 400 is lifted upwards to make the first convex part 410 away from the concave part 110, and then the guardrail 400 moves downwards and overturns to the position below the guardrail frame 110, and the infusion support 500 descends; the guard rail 400 is movably hinged on the guard rail frame 110 and the first convex part 410 is matched with the concave part 111 to fix the guard rail 400, prevent parts from loosening to loosen the guard rail 400 and facilitate the installation of the guard rail 400; the infusion stand 500 is installed on the folding device 300 to be movable up and down, and when the infusion stand 500 is used, the infusion stand 500 is lifted up, and when the infusion stand 500 is not used, the infusion stand 500 is lowered down, so that the infusion stand 500 can be conveniently assembled and disassembled.

In some embodiments of the present invention, as shown in fig. 2, the bottom of the guardrail 400 is provided with a notch 420 below the first protrusion 410, the position of the guardrail frame 110 corresponding to the notch 420 is provided with a fixing post 112, and the guardrail 400 is matched with the fixing post 112 through the notch 420 to move the guardrail 400 on the guardrail frame 110. When in use, the guardrail 400 is rotated, and then the guardrail 400 is lifted upwards, so that the gap 420 moves upwards along the fixed column 112; the arrangement is simple.

In a further embodiment of the present invention, as shown in fig. 1, 3 and 4, the folding device 300 on one side comprises a joint 310, two pull rods 320, a telescopic rod 330 and two support rods 340; the joint 310 is located at the joint of the two bed frames 100 and is hinged with each bed frame 100; the telescopic rod 330 is connected below the joint 310, the telescopic rod 330 is fixedly connected with a first connecting rod 331 and a second connecting rod 332, and the first connecting rod 331 is fixedly connected to the bottom end of the telescopic rod 330; the second connecting rod 332 is positioned above the first connecting rod 331; one end of each pull rod 320 is hinged with one end rod of the second connecting rod 332, and the other end is hinged with the bed leg 200; one end of each support bar 340 is hinged with the bed leg 200, and the other end is hinged with the first connecting bar 331; when the two bed frames 100 are in the unfolded state, the telescopic rods 330 are retracted, the two bed frames 100 form a plane, and each supporting rod 340, each pull rod 320 and the telescopic rods 330 are in a right-angled triangle shape; when the two frames 100 are switched to the folded state, the extension bar 330 is extended, and the two frames 100 are folded side by side while being drawn together downward. For example, as shown in fig. 1, the stretcher is arranged symmetrically in front and back, one end of each of the two bed frames 100 is connected to each of the two bed legs 200, the other end of each of the two bed frames 100 is rotatably connected to the upper end of the joint 310, the telescopic rod 330 is connected to the lower end of the joint 310, the telescopic rod 330 is fixedly connected to a first connecting rod 331 and a second connecting rod 332, the first connecting rod 331 is fixedly connected to the bottom end of the telescopic rod 330, the second connecting rod 332 is located at the upper part of the first connecting rod 331, the second connecting rod 332 can move up and down between the lower end of the joint 310 and the first connecting rod 331, one end of each of the pull rods 320 is hinged to one end; one end of each support bar 340 is hinged with the bed leg 200, and the other end is hinged with the first connecting bar 331; when the two bedsteads 100 are in the unfolded state, the telescopic rod 330 is contracted, the second connecting rod 332 is positioned at the lower end of the joint 310, the second connecting rod 332 is positioned at the farthest distance relative to the first connecting rod 331, the two bedsteads 100 are in a plane, and each supporting rod 340, each pull rod 320 and the telescopic rod 330 are in a right-angled triangle shape and form a truss structure with the bed leg 200 so as to bear heavier weight; as shown in fig. 2 and 3, when the two frames 100 are switched to the folded state, the two frames 100 are folded side by adjusting the rotation positions of the two frames 100 at the junction of the joint 310 and the rotation positions of the telescopic rod 330 and the swing legs 200 which are stretched upward, the second connecting rod 332 is located at the lower end of the joint 310, and the second connecting rod 332 contacts with the first connecting rod 331 to be symmetrically folded into a flat structure for convenient storage and transportation.

In some embodiments of the present invention, as shown in fig. 3, the upper end surface of the connector 310 is provided with a first through hole 311, the infusion stand 500 is installed in the first through hole 311, the side surface of the connector 310 is provided with a second through hole 312, and the second through hole 312 is provided with a knob 313 for tightening or loosening the infusion stand 500; when in use, the knob 313 is adjusted, so that the infusion support 500 can move up and down, and after the movement, the knob 313 is adjusted, so that the infusion support 500 is fixed; specifically, the knob 313 is connected with the second through hole 312 by a screw thread, and when the infusion support 500 is fixed, the rotation shaft of the knob 313 is pressed against the infusion support 500 by rotating the knob 313.

In some embodiments of the present invention, the telescopic rod 330 is provided with a third through hole 350, and the second connecting rod 332 is provided with a pull pin 333 engaged with the third through hole 350. For example, as shown in fig. 1, 3 and 4, when folding, the pin 333 is pulled out from the third through hole 350 by pulling the pin 333, and the stretcher is folded to prevent movement during transportation.

In some embodiments of the present invention, one of the pull rods 320 is provided with a second protrusion 321, and the other pull rod 320 is provided with a rotating buckle 322 engaged with the second protrusion 321. For example, as shown in fig. 1, 3 and 4, when the folding is completed, the rotating buckle 322 is buckled on the second protrusion 321 to fix the folded state.

In some embodiments of the present invention, the support rod 340 is provided with a protruding end 341. For example, as shown in fig. 4, the extended end 341 supports two support rods 340 when the folding is completed, so as to prevent the legs 200 from being collided with during the folding.

In some embodiments of the present invention, as shown in fig. 1 and 4, the bed frame 100 is provided with a cushion 120, the bed frame 100 is provided with cushion holes 130, and the cushion 120 is installed on the cushion holes 130 to increase the comfort of the sleeper.

In a further embodiment of the present invention, as shown in fig. 1, the legs 200 are provided with universal wheels 210 to facilitate movement.

In a further embodiment of the present invention, both support rods 340 are provided with locking holes 342. As shown in fig. 3 and 5, when the cot is completely folded, the locking holes 342 corresponding to the two support bars 340 are located on the same plane, and the locking holes 342 are locked by using an iron chain to prevent theft, and it is conceivable that the locking holes 342 corresponding to a plurality of cots are locked when the plurality of cots are put together.

In the description herein, references to the description of the terms "some embodiments" or "conceivably" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A stretcher comprising two bedsteads (100) that can be folded over each other and legs (200) hinged to said bedsteads (100), characterized in that:

the folding device (300) is positioned below the bedstead (100), and the folding device (300) is symmetrically arranged at the front side and the rear side and is used for folding or unfolding the two bedstead (100) and the bed legs (200);

the guardrail comprises a guardrail (400), wherein a guardrail frame (110) is installed on one side of the bed frame (100), the bottom of the guardrail (400) is hinged to the guardrail frame (110) in a vertically movable manner, a first protruding part (410) is arranged at the bottom of the guardrail (400), and a concave part (111) matched with the first protruding part (410) is arranged at the upper end of the guardrail frame (110);

and a transfusion stand (500) which is mounted on the folding device (300) in a manner of moving up and down.

2. The cot of claim 1, wherein: the bottom of the guardrail (400) is provided with a notch (420) below the first protruding part (410), a fixing column (112) is arranged at the position, corresponding to the notch (420), of the guardrail frame (110), and the guardrail (400) is matched with the fixing column (112) through the notch (420) so that the guardrail (400) moves on the guardrail frame (110).

3. The cot of claim 1, wherein: the folding device (300) on one side comprises a joint (310), two pull rods (320), a telescopic rod (330) and two supporting rods (340); the joint (310) is positioned at the joint of the two bed frames (100) and is hinged with each bed frame (100); the telescopic rod (330) is connected below the joint (310), the telescopic rod (330) is fixedly connected with a first connecting rod (331) and a second connecting rod (332), and the first connecting rod (331) is fixedly connected to the bottom end of the telescopic rod (330); the second connecting rod (332) is positioned at the upper part of the first connecting rod (331); one end of each pull rod (320) is hinged with one end rod of the second connecting rod (332), and the other end of each pull rod is hinged with the bed leg (200); one end of each support rod (340) is hinged with the bed leg (200), and the other end of each support rod is hinged with the first connecting rod (331); when the two bed frames (100) are in the unfolded state, the telescopic rods (330) are contracted, the two bed frames (100) are in a plane, and each supporting rod (340), each pull rod (320) and the telescopic rods (330) are in a right triangle shape; when the two bed frames (100) are switched to the folded state, the telescopic rods (330) are stretched, and the two bed frames (100) are folded side by side in a way of being closed downwards.

4. The cot of claim 3, wherein: the infusion support is characterized in that a first through hole (311) is formed in the upper end face of the joint (310), the infusion support (500) is installed in the first through hole (311), a second through hole (312) is formed in the side face of the joint (310), and a knob (313) used for loosening and tightening the infusion support (500) is installed on the second through hole (312).

5. The cot of claim 3, wherein: the telescopic rod (330) is provided with a third through hole (350), and the second connecting rod (332) is provided with a pull pin (333) matched with the third through hole (350).

6. The cot of claim 3, wherein: one pull rod (320) is provided with a second protruding part (321), and the other pull rod (320) is provided with a rotating buckle (322) matched with the second protruding part (321).

7. The cot of claim 3, wherein: the supporting rod (340) is provided with an extending end (341).

8. The cot of claim 1, wherein: the bed frame (100) is provided with a cushion (120), the bed frame (100) is provided with a cushion hole (130), and the cushion (120) is arranged on the cushion hole (130).

9. The cot of claim 1, wherein: the bed legs (200) are provided with universal wheels (210).

10. The cot of claim 3, wherein: the supporting rod (340) is provided with a lock hole (342).

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