Stretcher

Abstract

The utility model relates to the field of medical instruments, in particular to a stretcher which comprises a stretcher body and connecting assemblies, the connecting assemblies are arranged on the two sides of the stretcher body respectively, each connecting assembly comprises a connecting buckle and a base, and the bases are detachably connected with the stretcher body; the connecting buckle comprises a first barrel, a second barrel and a buckle plate, the first barrel and the second barrel are arranged on the top face of the base in a spaced mode, the two ends of the buckle plate are connected with the side wall of the first barrel and the side wall of the second barrel respectively, and the bottom end of the buckle plate and the top face of the base are arranged in a spaced mode. A first insertion hole is formed in the first cylinder body, a second insertion hole is formed in the second cylinder body, an opening of the first insertion hole and an opening of the second insertion hole both deviate from the top surface of the base, the first insertion hole and the second insertion hole are respectively used for insertion of an insertion rod of the cardio-pulmonary resuscitation machine, and the buckle plate is used for being connected with a buckle piece of the cardio-pulmonary resuscitation machine in a buckled mode. The cardio-pulmonary resuscitation machine is directly installed on the stretcher body through the base and the connecting buckles, and a patient does not need to be transferred during rescue.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical apparatus and instruments, especially to a stretcher. BACKGROUND

[0002] The stretcher is a commonly used medical device, which is mainly used for quickly moving and transferring patients in or out of the hospital.

[0003] However, when the patient with surgical injury is transferred from the stretcher to the cardiopulmonary resuscitation machine, the patient is easily caused secondary injury. SUMMARY

[0004] The utility model discloses a stretcher, to solve the prior art in the patient from the stretcher is transferred to the cardiopulmonary resuscitation machine and easily causes the problem of secondary injury.

[0005] The utility model discloses a stretcher, including stretcher main part and connecting assembly, the both sides of stretcher main part along the first direction are provided connecting assembly respectively, connecting assembly includes connecting buckle and base, the base is detachably connected on stretcher main part;

[0006] The connecting buckle includes a first cylinder, a second cylinder and a buckle plate, the first cylinder and the second cylinder are arranged on the top surface of the base, the first direction of the two ends of the buckle plate is connected to the side wall of the first cylinder and the side wall of the second cylinder, and the bottom end of the buckle plate is arranged apart from the top surface of the base.

[0007] The first cylinder is provided with a first jack opening in the direction away from the top surface of the base, the second cylinder is provided with a second jack opening in the direction away from the top surface of the base, the first jack and the second jack are used for inserting the plug rod of the cardiopulmonary resuscitation machine, and the buckle plate is used for buckle connection with the buckle piece of the cardiopulmonary resuscitation machine.

[0008] Optionally, the base includes a first arc piece and a second arc piece, the first arc piece has a first groove, the second arc piece has a second groove, the first arc piece and the second arc piece are fixedly spliced to form a receiving hole around the first groove and the second groove, and the receiving hole is used for connecting the stretcher main body.

[0009] Optionally, the first jack and the second jack are blind holes, the top surface of the first arc piece constitutes the top surface of the base, and the bottom of the first cylinder and the bottom of the second cylinder are connected to the first arc piece or the second arc piece through bolts respectively.

[0010] Optionally, the stretcher body comprises a first connecting piece, a second connecting piece, a left plate, a right plate, a left support rod and a right support rod, both ends of the left support rod in a second direction are bent towards the right support rod to form a first connecting end and a second connecting end respectively, both ends of the right support rod in the second direction are bent towards the left support rod to form a third connecting end and a fourth connecting end respectively;

[0011] The first connecting end and the third connecting end are connected by the first connecting piece, and the second connecting end and the fourth connecting end are connected by the second connecting piece.

[0012] The left plate is fixed on the left support rod, the right plate is fixed on the right support rod, and the left plate and the right plate are oppositely arranged along the first direction; the second direction is perpendicular to the first direction.

[0013] Optionally, the left support rod comprises a first left support rod and a second left support rod, the first left support rod and the second left support rod respectively penetrate into the left plate from both sides of the left plate in the second direction, and one end of the first left support rod away from the second left support rod is bent towards the right support rod to constitute the first connecting end.

[0014] One end of the second left support rod away from the first left support rod is bent towards the right support rod to constitute the second connecting end.

[0015] Optionally, the left plate comprises a first plate and a second plate, the first plate and the second plate are spaced apart along the second direction, the width of the first plate along the first direction is smaller than the width of the second plate along the first direction, and one side of the first plate away from the right plate is located in the middle of the second plate along the first direction.

[0016] The first left support rod penetrates the first plate, one end of the first left support rod away from the first connecting end penetrates out of the first plate and connects the second plate, and the second left support rod penetrates the second plate.

[0017] Optionally, the right support rod comprises a first right support rod and a second right support rod, the first right support rod and the second right support rod respectively penetrate into the right plate from both sides of the right plate in the second direction, and one end of the first right support rod away from the second right support rod is bent towards the left support rod to constitute the third connecting end.

[0018] One end of the second right support rod away from the first right support rod is bent towards the left support rod to constitute the fourth connecting end.

[0019] Optionally, the right plate includes a first bearing plate and a second bearing plate, the first bearing plate and the first plate are opposite to each other along the first direction, the second bearing plate and the second plate are opposite to each other along the first direction, the first bearing plate and the second bearing plate are spaced apart along the second direction, the width of the first bearing plate along the first direction is less than the width of the second bearing plate along the first direction, and the side of the first bearing plate away from the left plate is located in the middle of the second bearing plate along the first direction.

[0020] The first right support rod is arranged in the first bearing plate, one end of the first right support rod away from the third connecting end is arranged out of the first bearing plate and connected to the second bearing plate, and the second right support rod is arranged in the second bearing plate.

[0021] Optionally, the first connecting member includes a first connecting part, a first socket and a first plug, the first socket is fixed to one of the first connecting end and the third connecting end, and the first plug is fixed to the other one of the second connecting end and the fourth connecting end.

[0022] The first socket is provided with a first slot and a first connecting hole, the first plug is provided with a first through hole, the first connecting hole penetrates the first socket, the first connecting hole communicates with the first slot, when the first plug is inserted into the first slot, the first connecting hole is opposite to the first through hole, the first connecting part is arranged in the first through hole and the first connecting hole, and the first connecting part is used for connecting the first socket and the first plug.

[0023] Optionally, the second connecting member includes a second connecting part, a second socket and a second plug, the second socket is fixed to one of the second connecting end and the third connecting end, and the second plug is fixed to the other one of the second connecting end and the fourth connecting end.

[0024] The second socket is provided with a second slot and a second connecting hole, the second plug is provided with a second through hole, the second connecting hole penetrates the second socket, the second connecting hole communicates with the second slot, when the second plug is inserted into the second slot, the second connecting hole is opposite to the second through hole, the second connecting part is arranged in the second through hole and the second connecting hole, and the second connecting part is used for connecting the second socket and the second plug.

[0025] The utility model discloses an embodiment provides a stretcher, base is installed on the stretcher main part, and the upper surface of base is connected with the connecting buckle, and the two inserting rods of one side of the cardiopulmonary resuscitation machine are inserted into the first insertion hole of the first cylinder and the second insertion hole of the second cylinder of connecting buckle respectively, and the buckle piece and the buckle plate of cardiopulmonary resuscitation machine are buckled simultaneously, so that the cardiopulmonary resuscitation machine is installed on the stretcher main part, and the cardiopulmonary resuscitation operation can be carried out at any time, thereby avoiding the operation of transferring the patient in the prior art and reducing the secondary injury of the trauma patient. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be briefly introduced the drawings needed to be used in the description of the utility model embodiment, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without the creative labor for the ordinary skilled in the art.

[0027] Figure 1 It is the overall schematic view of a stretcher of an embodiment of the utility model;

[0028] Figure 2 It is the cooperation schematic view of the base, connecting buckle and cardiopulmonary resuscitation machine of a stretcher of an embodiment of the utility model;

[0029] Figure 3 It is the explosion schematic view of the connecting buckle and base of a stretcher of an embodiment of the utility model;

[0030] Figure 4 It is the sectional view schematic view of the connecting buckle of a stretcher of an embodiment of the utility model;

[0031] Figure 5 It is the explosion schematic view of the first connecting piece of a stretcher of an embodiment of the utility model.

[0032] Reference signs: 100, cardiopulmonary resuscitation machine;101, buckle piece;102, inserting rod;

[0033] 1, stretcher main part;11, first left support rod;12, second left support rod;13, first plate material;14, second plate material;15, first right support rod;16, second right support rod;17, first bearing plate;18, second bearing plate;2, base;21, first arc piece;22, second arc piece;23, accommodating hole;3, connecting buckle;31, first cylinder;32, second cylinder;33, buckle plate;34, first insertion hole;35, second insertion hole;4, first connecting piece;41, first plug-in part;411, first perforation;42, first socket;421, first insertion slot;422, first connecting hole;5, second connecting piece. DETAILED DESCRIPTION

[0034] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0035] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0036] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, can be mechanical connection, or electrical connection, can be directly connected, or indirectly connected through an intermediate medium, can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0037] The first direction in the embodiment is the width direction of the stretcher body, the second direction is the length direction of the stretcher body, and the top-bottom direction is the up-down direction.

[0038] Referring to Figures 1-5 , the utility model embodiment provides a stretcher, including stretcher main body 1 and connecting assembly, the two ends of the stretcher main body 1 along the first direction are provided with the connecting assembly respectively, namely in the second direction of the stretcher main body 1, the two sides, the connecting assembly includes connecting buckle 3 and base 2, the base 2 is detachably connected with the stretcher main body 1.

[0039] Referring to Figure 2 and Figure 3The connecting buckle 3 comprises a first cylinder 31, a second cylinder 32 and a buckle plate 33. The first cylinder 31 and the second cylinder 32 are arranged on the top surface of the base 2 in the second direction. The two ends of the buckle plate 33 in the second direction are connected to the side walls of the first cylinder 31 and the second cylinder 32 respectively. The bottom end of the buckle plate 33 is arranged away from the top surface of the base 2. The first cylinder 31 is provided with a first insertion hole 34, and the second cylinder 32 is provided with a second insertion hole 35. The openings of the first insertion hole 34 and the second insertion hole 35 are away from the top surface of the base 2. The first insertion hole 34 and the second insertion hole 35 are respectively used for inserting the insertion rod 102 of the cardiopulmonary resuscitation machine 100. The buckle plate 33 is used for buckling connection with the buckle piece 101 of the cardiopulmonary resuscitation machine 100.

[0040] In the embodiment, the top-bottom direction is the up-down direction in real life. The base 2 is installed on the stretcher main body 1. The upper surface of the base 2 is connected to the connecting buckle 3. The two insertion rods 102 on one side of the cardiopulmonary resuscitation machine 100 are respectively inserted into the first insertion hole 34 of the first cylinder 31 and the second insertion hole 35 of the second cylinder 32 of the connecting buckle 3. At the same time, the buckle piece 101 of the cardiopulmonary resuscitation machine 100 is buckled with the buckle plate 33. Thus, the cardiopulmonary resuscitation machine 100 is installed on the stretcher main body 1, so that the cardiopulmonary resuscitation operation can be performed at any time. Thus, the operation of transferring the patient in the prior art is avoided, and the secondary injury of the trauma patient is reduced.

[0041] Referring to Figure 2 and Figure 3 Specifically, the base 2 comprises a first arc piece 21 and a second arc piece 22. The first arc piece 21 and the second arc piece 22 are connected by bolts. The first arc piece 21 has a first recess, and the second arc piece 22 has a second recess. The first arc piece 21 and the second arc piece 22 are spliced to form a containing hole 23 for connecting the stretcher main body 1.

[0042] In the embodiment, the first arc piece 21 and the second arc piece 22 are connected by bolts. The first arc piece 21 and the second arc piece 22 after connection form the base 2. A part of the stretcher main body 1 penetrates the containing hole 23. In the embodiment, the side surface of the first arc piece 21 away from the second arc piece 22 is used as the top surface of the base 2. The connecting buckle 3 is installed on the upper surface of the first arc piece 21.

[0043] Referring to Figure 4In particular, the first and second insertion holes 34 and 35 are blind holes, the top surface of the first arc piece 21 constitutes the top surface of the base 2, and the bottom of the first and second cylinder bodies 31 and 32 are connected to the first and second arc pieces 21 and 22, respectively, by bolts. In this embodiment, the first and second insertion holes 34 and 35 are both upwardly open structures, and the bolts pass through the first arc piece 21 from the bottom surface of the first arc piece 21 upwardly and are screwed to the bottom surface of the first cylinder body 31. In this embodiment, the bolts pass out of the bottom of the first cylinder body 31 from below and into the first insertion hole 34. Similarly, the bolts pass into the second insertion hole 35 of the second cylinder body 32 from below and from the first arc piece 21.

[0044] As an example, the stretcher body 1 comprises a first connecting piece 4, a second connecting piece 5, a left plate, a right plate, a left support rod, and a right support rod, both ends of the left support rod in a second direction are bent towards the right support rod to form a first connecting end and a second connecting end, respectively, and both ends of the right support rod in the second direction are bent towards the left support rod to form a third connecting end and a fourth connecting end, respectively.

[0045] The first and third connecting ends are connected by the first connecting piece 4, and the second and fourth connecting ends are connected by the second connecting piece 5.

[0046] Referring to Figure 1 and Figure 5 , the left plate is fixed on the left support rod, the right plate is fixed on the right support rod, and the left and right plates are arranged opposite to each other in a first direction; the second direction is perpendicular to the first direction.

[0047] In this embodiment, the stretcher body 1 is a shovel stretcher, which comprises two parts, one part comprising a left support rod and a left plate, and the other part comprising a right support rod and a right plate, and the two parts are left-right symmetrical. The two parts are connected into a whole by the first and second connecting pieces 4 and 5. One base 2 is installed on the left support rod, and the other base 2 is installed on the right support rod.

[0048] As an example, the left support rod comprises a first left support rod 11 and a second left support rod 12, the first and second left support rods 11 and 12 pass into the left plate from both sides of the left plate in the second direction, respectively, one end of the first left support rod 11 away from the second left support rod 12 is bent towards the right support rod to form the first connecting end, and one end of the second left support rod 12 away from the first left support rod 11 is bent towards the right support rod to form the second connecting end.

[0049] The first left support rod 11 in the embodiment has a smaller width along the left-right direction than the second left support rod 12. The first left support rod 11 is close to the head of the patient, and thus does not need to be too wide. The second left support rod 12 is close to the body of the patient, and thus has a larger width than the first left support rod 11.

[0050] As an example, the left plate includes a first plate 13 and a second plate 14. The first plate 13 and the second plate 14 are spaced apart along the second direction. The first plate 13 has a smaller width along the first direction than the second plate 14. The first plate 13 is located at a middle portion of the second plate 14 along the first direction away from a side of the right plate.

[0051] The first left support rod 11 is arranged through the first plate 13. An end of the first left support rod 11 away from the first connecting end is arranged to pass through the first plate 13 and connect the second plate 14. The second left support rod 12 is arranged through the second plate 14.

[0052] In the embodiment, the first plate 13 is used to support the head of the human body, and thus has a smaller width. The second plate 14 is used to support the body of the human body, and thus has a larger width than the first plate 13. In this way, the cost can be reduced.

[0053] As an example, the right support rod includes a first right support rod 15 and a second right support rod 16. The first right support rod 15 and the second right support rod 16 are arranged to pass through the right plate from two sides of the right plate along the second direction. An end of the first right support rod 15 away from the second right support rod 16 is bent toward the left support rod to form the third connecting end. An end of the second right support rod 16 away from the first right support rod 15 is bent toward the left support rod to form the fourth connecting end. Similarly to the first left support rod 11 and the second left support rod 12, the first right support rod 15 has a smaller width than the second right support rod 16. The first left support rod 11 and the first right support rod 15 are connected by the first connecting member 4. The second left support rod 12 and the second right support rod 16 are connected by the second connecting member 5.

[0054] As an example, the right plate includes a first support plate 17 and a second support plate 18. The first support plate 17 and the first plate 13 are opposite to each other along the first direction. The second support plate 18 and the second plate 14 are opposite to each other along the first direction. The first support plate 17 and the second support plate 18 are spaced apart along the second direction. The first support plate 17 has a smaller width along the first direction than the second support plate 18. The first support plate 17 is located at a middle portion of the second support plate 18 along the first direction away from a side of the left plate.

[0055] The first right supporting rod 15 is arranged in the first bearing plate 17, and one end of the first right supporting rod 15 away from the third connecting end is arranged out of the first bearing plate 17 and connected to the second bearing plate 18, and the second right supporting rod 16 is arranged in the second bearing plate 18.

[0056] The first bearing plate 17 and the first plate 13 are arranged oppositely and bear the head of the patient together, and the second bearing plate 18 and the second plate 14 are arranged oppositely and bear the body of the patient together. One hand of the medical staff holds the first left supporting rod 11 or the second left supporting rod 12, and the other hand holds the first right supporting rod 15 and the second right supporting rod 16, and the stretcher body 1 is lifted.

[0057] Referring to Figure 5 As an example, the first connecting member 4 comprises a first connecting part, a first socket 42 and a first plug 41, the first socket 42 is fixed to one of the first connecting end and the third connecting end, and the first plug 41 is fixed to the other of the second connecting end and the fourth connecting end;

[0058] The first socket 42 is provided with a first slot 421 and a first connecting hole 422, the first plug 41 is provided with a first through hole 411, the first connecting hole 422 penetrates the first socket 42, the first connecting hole 422 communicates with the first slot 421, when the first plug 41 is inserted into the first slot 421, the first connecting hole 422 is opposite to the first through hole 411, the first connecting part is arranged in the first through hole 411 and the first connecting hole 422, and the first connecting part is used for connecting the first socket 42 and the first plug 41.

[0059] The second connecting member 5 comprises a second connecting part, a second socket and a second plug, the second socket is fixed to one of the second connecting end and the third connecting end, and the second plug is fixed to the other of the second connecting end and the fourth connecting end;

[0060] The second socket is provided with a second slot and a second connecting hole, the second plug is provided with a second through hole, the second connecting hole 35 penetrates the second socket, the second connecting hole communicates with the second slot, when the second plug is inserted into the second slot, the second connecting hole is opposite to the second through hole, the second connecting part is arranged in the second through hole and the second connecting hole, and the second connecting part is used for connecting the second socket and the second plug.

[0061] The first connecting part and the second connecting part in the embodiment can be a bolt-nut combination or a pin. The bolt-nut combination is described as follows: after the first plug-in part 41 is inserted into the first plug-in groove 421, the first connecting hole 422 and the first through hole 411 are opposite and communicate, the bolt is inserted into the first through hole 411 and the first connecting hole 422, then the nut is connected with the bolt, and the first plug-in part 41 and the second plug-in part are connected. Similarly, the second plug-in part and the second socket are connected by the same principle, and details are not described herein.

[0062] In the embodiment, the two bases 2 are arranged on the second left supporting rod 12 and the second right supporting rod 16 respectively. Taking the base 2 arranged on the second left supporting rod 12 as an example, the first arc piece 21 and the second arc piece 22 are arranged on the second left supporting rod 12, so that the second left supporting rod 12 is arranged through the accommodating hole 23 formed by the first recess and the second recess.

[0063] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not to limit the present application; although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A stretcher, characterized in that: The stretcher comprises a stretcher body and a connecting assembly, wherein the connecting assembly is respectively provided at both ends of the stretcher body along a first direction, the connecting assembly comprises a connecting buckle and a base, and the base is detachably connected to the stretcher body; The connecting buckle includes a first cylinder, a second cylinder and a buckle plate, wherein the first cylinder and the second cylinder are spaced apart on the top surface of the base along the second direction, and the two ends of the buckle plate in the second direction are respectively connected to the side wall of the first cylinder and the side wall of the second cylinder, and the bottom end of the buckle plate is spaced apart from the top surface of the base; The first cylinder is provided with a first socket opening in a direction away from the top surface of the base, and the second cylinder is provided with a second socket opening in a direction away from the top surface of the base. The first socket and the second socket are used for inserting the insertion rod of the cardiopulmonary resuscitation machine, and the buckle plate is used for buckling connection with the fastener of the cardiopulmonary resuscitation machine.

2. The stretcher according to claim 1, characterized in that: The base includes a first arc piece and a second arc piece, the first arc piece has a first groove, the second arc piece has a second groove, the first arc piece and the second arc piece are fixedly spliced ​​so that the first groove and the second groove surround an accommodating hole, and the accommodating hole is used to connect the stretcher body.

3. The stretcher according to claim 2, characterized in that: The first insertion hole and the second insertion hole are both blind holes, the top surface of the first arc piece constitutes the top surface of the base, and the bottom of the first cylinder and the bottom of the second cylinder are respectively connected to the first arc piece or the second arc piece by bolts.

4. The stretcher according to claim 1, characterized in that: The stretcher body includes a first connecting member, a second connecting member, a left plate, a right plate, a left support rod and a right support rod, both ends of the left support rod along the second direction are bent toward the right support rod to form a first connecting end and a second connecting end, respectively, and both ends of the right support rod along the second direction are bent toward the left support rod to form a third connecting end and a fourth connecting end, respectively; The first connection end and the third connection end are connected via the first connection member, and the second connection end and the fourth connection end are connected via the second connection member; The left plate is fixed on the left support rod, and the right plate is fixed on the right support rod. The left plate and the right plate are arranged opposite to each other along the first direction; the second direction is perpendicular to the first direction.

5. The stretcher according to claim 4, characterized in that: The left support rod comprises a first left support rod and a second left support rod, wherein the first left support rod and the second left support rod respectively penetrate the left plate from both sides of the left plate in the second direction, and an end of the first left support rod away from the second left support rod is bent toward the right support rod to form the first connecting end; One end of the second left support rod away from the first left support rod is bent toward the right support rod to form the second connecting end.

6. The stretcher according to claim 5, characterized in that: The left plate includes a first plate and a second plate, the first plate and the second plate are spaced apart along the second direction, the width of the first plate along the first direction is smaller than the width of the second plate along the first direction, and a side of the first plate away from the right plate is located in the middle of the second plate along the first direction; The first left support rod is provided through the first plate, one end of the first left support rod away from the first connecting end passes through the first plate and is connected to the second plate, and the second left support rod is provided through the second plate.

7. The stretcher according to claim 6, characterized in that: The right support rod comprises a first right support rod and a second right support rod, wherein the first right support rod and the second right support rod respectively penetrate the right plate from both sides of the right plate in the second direction, and an end of the first right support rod away from the second right support rod is bent toward the left support rod to form the third connecting end; One end of the second right support rod away from the first right support rod is bent toward the left support rod to form the fourth connecting end.

8. The stretcher according to claim 7, characterized in that: The right plate includes a first supporting plate and a second supporting plate, the first supporting plate and the first plate are opposite to each other along the first direction, the second supporting plate and the second plate are opposite to each other along the first direction, the first supporting plate and the second supporting plate are spaced apart along the second direction, the width of the first supporting plate along the first direction is smaller than the width of the second supporting plate along the first direction, and a side of the first supporting plate away from the left plate is located in the middle of the second supporting plate along the first direction; The first right support rod is provided through the first supporting plate, one end of the first right support rod away from the third connection end passes through the first supporting plate and is connected to the second supporting plate, and the second right support rod is provided through the second supporting plate.

9. The stretcher according to claim 4, characterized in that: The first connecting member includes a first connecting portion, a first socket, and a first plug-in, wherein the first socket is fixed to one of the first connecting end and the third connecting end, and the first plug-in is fixed to the other of the second connecting end and the fourth connecting end; The first socket is provided with a first slot and a first connecting hole, and the first plug is provided with a first through-hole. The first connecting hole passes through the first socket and is connected to the first slot. When the first plug is inserted into the first slot, the first connecting hole is opposite to the first through-hole. The first connecting portion is provided in the first through-hole and the first connecting hole, and the first connecting portion is used to connect the first socket and the first plug.

10. The stretcher according to claim 4, characterized in that: The second connecting member includes a second connecting portion, a second socket and a second plug-in, the second socket being fixed to one of the second connecting end and the third connecting end, and the second plug-in being fixed to the other of the second connecting end and the fourth connecting end; The second socket is provided with a second slot and a second connecting hole, and the second plug is provided with a second through-hole. The second slot passes through the second socket, and the second connecting hole is connected to the second slot. When the second plug is inserted into the second slot, the second connecting hole is opposite to the second through-hole. The second connecting portion is inserted into the second through-hole and the second connecting hole, and the second connecting portion is used to connect the second socket and the second plug.

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