CN217286329U - A transport bed for narrow and small space - Google Patents

Abstract

The utility model relates to a transport bed for narrow and small space belongs to medical technical field, has solved current transport bed and can't satisfy when transporting the lower part and roll down first body need lie flat in order to carry out incessant heart and press outward and can also adapt to narrow and small space and transport and to the multi-purpose problem of a bed under the multiple situation of the transportation of specific cardiopulmonary incompetence patient. A transfer bed for a confined space comprising: the bed plate support frame is hinged with an upper body bed plate mounting frame and a lower body bed plate mounting frame, a link mechanism is arranged between the upper body bed plate mounting frame and the bed plate support frame, and the link mechanism is connected with an upper body gear control mechanism and used for adjusting the position state of the upper body bed plate mounting frame; a lower body gear control mechanism for adjusting the position state of the lower body bed board mounting frame is arranged between the lower body bed board mounting frame and the bed board support frame. The utility model discloses a transport bed can realize giving first aid to students to different position patients in narrow and small space transportation.

Description

A transport bed for narrow and small space

Technical Field

The utility model relates to the field of medical technology, especially, relate to a transport bed for narrow and small space.

Background

For patients with sudden cardiac arrest, the time to transport from the onset of the disease to the ambulance is also a vital rescue time, and therefore, it is vital that transport and rescue occur simultaneously. In addition, at present, a large number of small-sized hospitals, community health service centers, residential buildings and the like use elevators with small specifications at home, and old hospitals and residential corridors have the phenomenon of narrow turning space, so that the transfer bed is very important for rescuing and meeting the transfer in the narrow space. Meanwhile, for a patient with specific cardiopulmonary insufficiency, the upper body needs to be inclined at a specific angle for transportation in the transportation process.

And transport bed on the market at present can only raise upper portion and go on with the lower part is rolled down simultaneously or flat exhibition simultaneously, can't satisfy transport bed lower part when rolling down the upper part half body need lie flat in order to carry out incessant extracardiac pressing and can also adapt to narrow and small space and transport and to the multi-purpose user demand of a bed under the multiple condition of specific cardiopulmonary insufficiency's the transportation.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned analysis, the utility model aims at providing a transport bed for narrow and small space for solve current transport bed can't satisfy when transporting bed lower part and roll down first half need lie flat in order to carry out incessant extracardiac pressing and can also adapt to narrow and small space and transport and to the multi-purpose problem of a bed under the multiple situation of the transportation of specific cardiopulmonary insufficiency's patient.

The purpose of the utility model is realized mainly through the following technical scheme:

the utility model provides a transport bed for narrow and small space, include: the bed board support frame is hinged and connected with an upper body bed board mounting frame and a lower body bed board mounting frame, a link mechanism is arranged between the upper body bed board mounting frame and the bed board support frame, and the link mechanism is connected with an upper body gear control mechanism and used for adjusting the position state of the upper body bed board mounting frame; a lower body gear control mechanism used for adjusting the position state of the lower body bed board mounting frame is arranged between the lower body bed board mounting frame and the bed board support frame.

Optionally, the upper body gear control mechanism is connected to the bed board support frame, the link mechanism includes an upper body gear engaging frame hinged to the upper body bed board mounting frame, and the upper body gear engaging frame is in clamping fit with the upper body gear control mechanism.

Optionally, the upper body bed board mounting frame comprises a frame, a cross beam and a first supporting cross rod, the upper body hanging and blocking frame is hinged to the cross beam, and a tension spring is connected between the first supporting cross rod and the upper body hanging and blocking frame.

Optionally, the upper body gear rack comprises upper body gear racks on two sides and a connecting cross rod connected between the upper body gear racks, one end of each upper body gear rack is hinged to the cross beam, and the other end of each upper body gear rack is clamped to the upper body gear control mechanism; the extension spring is connected connect the horizontal pole with between the first horizontal pole that supports.

Optionally, the other side of the first supporting cross bar, which is opposite to the cross bar, is provided with a second supporting cross bar, and the link mechanism further comprises a hand-pulling frame connected between the second supporting cross bar and the upper body hanger.

Optionally, the hand-pulling frame comprises a hand-pulling rod, a T-shaped connecting rod and a linkage rod, one end of the linkage rod is connected with the connecting cross rod, and the other end of the linkage rod is connected with the T-shaped connecting rod; the single-end of the T-shaped connecting rod is connected to the second supporting cross rod, and the double-end of the T-shaped connecting rod is connected with the linkage rod and the hand lever respectively.

Optionally, a positioning block is mounted on the frame, a positioning hole is formed in the positioning block, one end of the hand lever is connected with a first spherical handle, and the other end of the hand lever penetrates through the positioning hole and is connected with the two ends of the T-shaped connecting rod.

Optionally, the upper part of the body accuse keeps off the mechanism and includes that base and slope set up a plurality of accuse on the base keep off the step, the end connection that the upper part of the body kept off the pole has the horizontal pole of putting into gear, the horizontal pole of putting into gear can cooperate the joint to be in on the accuse keeps off the step, be connected with on the base and be used for the restriction the spacing panel beating in horizontal pole removal space of putting into gear.

Optionally, the lower body gear control mechanism comprises a lower body gear adjusting sheet and a lower body gear adjusting rod which are respectively arranged at the left side and the right side of the bed board support frame, and the lower body gear adjusting rod is arranged between the lower body gear adjusting sheets; every all be provided with the gear shifting on the lower part of the body gear shifting piece and collude, the bottom of lower part of the body bed board mounting bracket is connected with the fixed block, lower part gear shifting pole rotationally the cross-under is in on the fixed block.

Optionally, two sides of the bed board support frame are hinged with guardrails, and two ends of each guardrail are respectively rotatably connected to the bed board support frame through rotating parts; the transfer bed further comprises a fixing part, and the fixing part is used for fixing the guardrail.

The utility model discloses can realize one of following beneficial effect at least:

(1) through articulated connection upper part of the body bed board mounting bracket and lower part of the body bed board mounting bracket on the bed board support frame, can make upper part of the body bed board mounting bracket and lower part of the body bed board mounting bracket rotationally connect respectively on the bed board support frame to can fold upper part of the body bed board mounting bracket and lower part of the body bed board mounting bracket independently, guarantee to make the upper part of the body bed board be in the level in narrow and small space, lower part of the body bed board is in perpendicular folding state, thereby realize carrying out cardiopulmonary resuscitation to the patient in the transportation in the space of local promotion.

(2) Through the link mechanism who sets up between upper part of the body bed board mounting bracket and bed board support frame to combine to connect link mechanism on upper part of the body accuse keeps off the mechanism, can control upper part of the body bed board on the one hand and maintain at the horizontality, on the other hand still can with the specific angle of upper part of the body bed board slope, thereby be applicable to the patient that the transportation position has special requirement.

(3) The utility model discloses a transport bed simple structure, the stable performance, easily operation, the practicality is strong.

The utility model discloses in, can also make up each other between the above-mentioned each technical scheme to realize more preferred combination scheme. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.

FIG. 1 is a schematic structural view of a transfer bed used in a narrow space;

fig. 2 is a schematic structural view of the middle bed board support frame and the upper body bed board mounting frame of the present invention;

fig. 3 is a schematic structural view of the lower body bed board mounting frame of the present invention in a horizontal state;

FIG. 4 is a partial enlarged view of FIG. 3 at B;

fig. 5 is a schematic structural view of the middle and lower body bed board mounting frame of the utility model in a vertical folding state;

FIG. 6 is an enlarged view of a portion of FIG. 5 at C;

FIG. 7 is an enlarged view of a portion of FIG. 1 at A;

fig. 8 is a schematic view of the lower body shift lever structure.

Reference numerals:

1-bed board support frame; 2-a hospital bed support; 3-universal wheel with lock; 4-middle bed board; 5-upper body bed board mounting rack; 6-upper body bed plate; 7-lower body bed board mounting rack; 8-lower body bed board; 9-guardrails; 10-a tension spring; 11-a first support rail; 12-a linkage bar; 13-T shaped connecting rod; 14-a hand lever; 15-limiting metal plates; 16-a base; 17-hanging the stop lever on the upper part of the body; 18-a first knob; 19-lower body gear shift lever; 20-plunger plug; 21-bolt; 22-a first connection seat; 23-adjusting the blocking piece for the lower part of the body; 24-gear shifting hook; 25-engaging the gear rail; 26-gear control step; 27-a cross beam; 28-a second support rail; 29-positioning blocks; 30-a frame; 31-connecting cross bars; 32-a second knob; 33-second connecting seat.

Detailed Description

The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.

The utility model discloses a concrete embodiment discloses a transport bed for narrow and small space, and the disease of being convenient for can also carry out cardiopulmonary resuscitation in the transportation in narrow and small space in addition at the transportation in narrow and small space. The existing transfer bed can not be independently carried out by lifting the upper part and folding the lower part, and can only be used for simultaneously carrying out the chair positions of the transfer bed with different angles, so that the requirement of timely carrying out cardio-pulmonary resuscitation operation in a narrow space is difficult to meet.

Through can independently fold upper part of the body bed board 6 and lower part of the body bed board 8, can make the upper part of the body bed board 6 of transporting the bed incline specific angle or keep the horizontality in narrow and small space, carry out vertical folding with lower part of the body bed board 8 to satisfy the demand that the disease carries out urgent cardiopulmonary resuscitation in the transportation.

Referring to fig. 1, the transfer bed specifically includes a bed board support frame 1 and a hospital bed support frame 2, and the hospital bed support frame 2 is located below the bed board support frame 1 and is used for supporting the bed board support frame 1. Bed board support frame 1 is connected with upper part of the body bed board mounting bracket 5 and lower part of the body bed board mounting bracket 7 as the major structure of transporting the bed, is provided with link mechanism between upper part of the body bed board mounting bracket 5 and bed board support frame 1, through connecting link mechanism on upper part of the body accuse keeps off the mechanism, can adjust the position state of upper part of the body bed board mounting bracket 5, specifically, can adjust upper part of the body bed board mounting bracket 5 to horizontally position state through link mechanism, perhaps adjusts to different inclination. The horizontal position can satisfy the needs of cardiopulmonary resuscitation operation, and the different angles of slope can satisfy special position patient and transport the requirement.

Be provided with between lower part of the body bed board mounting bracket 7 and the bed board support frame 1 and be used for adjusting lower part of the body bed board mounting bracket 7 position state's lower part of the body accuse fender mechanism, can make lower part of the body bed board 8 keep the level or two kinds of different states of vertical folding through lower part of the body accuse fender mechanism to can make the disease keep the required specific position of first aid in normally transporting, can make through vertical folding simultaneously transport the bed get into narrow and small spaces such as old elevator, transport and cardiopulmonary resuscitation go on when guaranteeing to transport under the crisis situation.

In one embodiment, the upper body control mechanism is connected to the bed board support frame 1, and the upper body control mechanism and the link mechanism cooperate to control the upper body bed board mounting frame 5 to be in different states.

The link mechanism comprises an upper body hanging and blocking frame hinged to the upper body bed board mounting frame 5, the upper body bed board mounting frame 5 is adjusted to different inclination angles through the clamping cooperation between the upper body hanging and blocking frame and the upper body gear control mechanism, the upper body hanging and blocking frame can be separated from gears on the upper body gear control mechanism, and the horizontal state of the upper body bed board mounting frame 5 is kept.

As shown in fig. 2, the upper body bed board mounting frame 5 comprises a frame 30, a beam 27 and a first supporting cross bar 11, the utility model discloses the length direction along the transfer bed is vertical, and is horizontal with vertical relative vertical direction.

Further, the upper body hanging and blocking frame is hinged to the cross beam 27 of the upper body bed board mounting frame 5, so that the upper body hanging and blocking frame can rotate by taking a hinge point of the upper body hanging and blocking frame and the upper body bed board mounting frame 5 as a base point, and the upper body bed board mounting frame 5 is supported at the same time. The tension spring 10 is connected between the first supporting cross rod 11 and the upper body hanging and blocking frame, so that the upper body bed board mounting frame 5 can apply pulling force to the middle of the bed body to the upper body hanging and blocking frame in the lifting process, and the automatic hanging and blocking function is realized.

In order to ensure the stable integral structure of the upper body gear engaging rack and facilitate the engagement of the rod members, the upper body gear engaging rack comprises upper body gear engaging rods 17 positioned on the left and right sides and a connecting cross rod 31 connected between the upper body gear engaging rods 17. A tension spring 10 is connected between the connecting rail 31 and the first support rail 11. The one end and the crossbeam 27 of pin 17 are articulated to be connected on the upper part of the body, other end joint is in upper part of the body accuse fender mechanism, upper part of the body bed board mounting bracket 5 is lifting up the back, pin 17 is hung through the upper part of the body that the crossbeam 27 of upper part of the body bed board mounting bracket 5 set up between the upper part of the body accuse fender mechanism of bed board support frame 1 through the slope, can carry out the tilt support to upper part of the body bed board mounting bracket 5, satisfy the requirement of lying of the special chair position of disease, pin 17 is hung on the upper part of the body simultaneously can also slide in upper part accuse fender mechanism, when needs lie flat, can break away from all fender positions with the tip that pin 17 was hung to the upper part of the body, until sliding to foremost, make 5 levels of upper part of the body bed board mounting bracket place and relieve the support state.

The upper body gear control mechanism comprises a base 16 which is positioned at the left side and the right side and extends along the length direction of the bed body and a plurality of gear control steps 26 which are obliquely arranged on the base 16, and the plurality of gear control steps 26 form a plurality of gears which can be adjusted according to the requirement of the inclination angle of the upper body bed board mounting frame 5. Specifically, each control step 26 comprises a slope surface and a vertical surface on the side of the slope surface, the end of the upper body catch rod 17 is connected with a catch cross rod 25, and the catch cross rod 25 can be clamped on the vertical surface of the control step 26, so that the upper body catch rod 17 is clamped and matched on the control step 26.

When the upper body bed board mounting frame 5 is lifted up, the distance between the first supporting cross rod 11 and the connecting cross rod 31 is increased, so that the connecting cross rod 31 can be pulled forward through the contraction elastic force of the tension spring 10, the upper body gear-engaging rod 17 is indirectly enabled to automatically slide forward in the upper body gear-engaging mechanism, different gear-engaging steps 26 are automatically matched, and the automatic gear engagement of the upper body bed board mounting frame 5 in the lifting up process is realized. The term "forward" refers to a direction from the upper body bed plate mounting frame 5 to the lower body bed plate mounting frame 7 along the bed plate support frame 1.

In order to avoid that the upper body bed board mounting frame 5 is lifted too high suddenly, the gear engaging cross rod 25 of the upper body gear engaging rod 17 directly crosses the gear controlling step 26, and the base 16 is also connected with a limiting metal plate 15. Specifically, the limiting metal plate 15 is a support connected to the base 16, a through long open slot is formed in the support, the upper body catch lever 17 penetrates through the open slot, and meanwhile the catch cross bar 25 is arranged between the base 16 and the open slot.

When the upper body bed board mounting frame 5 needs to be horizontally laid down, the operation of releasing the gears is specifically performed by manually pulling the upper body gear-engaging frame. The other side of the first supporting cross bar 11 relative to the cross beam 27 is provided with a second supporting cross bar 28, and the link mechanism further comprises a hand-pulling frame connected between the second supporting cross bar 28 and the upper body hanging frame. In the inclined state of the upper body bed board mounting frame 5, thrust is exerted forward, so that the sliding end of the upper body catch lever 17 is separated from the control step 26 in the upper body control mechanism, and the hand pull frame arranged between the upper body catch lever and the upper body bed board mounting frame 5 is pulled manually, so that the sliding end of the upper body catch lever 17 passes over all the control steps 26 until the upper body bed board mounting frame 5 is laid down.

Specifically, for convenience of operation, the hand-pulling frame comprises a hand-pulling rod 14, a T-shaped connecting rod 13 and a linkage rod 12, wherein one end of the linkage rod 12 is connected with a connecting cross rod 31, and the other end of the linkage rod 12 is connected with the T-shaped connecting rod 13; the single end of the T-shaped connecting rod 13 is connected to the second supporting cross bar 28, and the double end is connected to the linkage rod 12 and the hand lever 14 respectively. Through the arrangement, a hand-pulling linkage effect is formed, the hand-pulling frame can be effectively fixed, and the linkage reliability is ensured.

In the pulling process, in order to control the pulling path of the hand lever 14, a positioning block 29 is installed on the frame 30 of the upper body bed board installation frame 5, a positioning hole is formed in the positioning block 29, one end of the hand lever 14 is connected with the first spherical handle 18, and the other end of the hand lever passes through the positioning hole and is connected with the two ends of the T-shaped connecting rod 13. During the pulling process, the first knob 18 facilitates the grasping of the pull rod 14, and the positioning block 29 and the positioning hole form the limiting pulling of the pull rod 14, thereby facilitating the adjustment operation.

Referring to fig. 4, the lower body gear controlling mechanism comprises a lower body gear adjusting piece 23 and a lower body gear adjusting rod 19 which are respectively arranged at the left side and the right side of the bed board supporting frame 1, the lower body gear adjusting rod 19 is arranged between the two lower body gear adjusting pieces 23, the lower body gear adjusting pieces 23 are fixedly arranged at the lower part of the bed board supporting frame 1, and a gear adjusting hook 24 is arranged on each lower body gear adjusting piece 23. The horizontal and vertical folding state of the lower body bed board mounting frame 7 is realized through the position of the lower body gear shifting rod 19 on the gear shifting hook 24.

In order to fix the position of lower part spacer bar 19, the bottom of lower part bed board mounting bracket 7 is connected with the fixed block (not shown in the figure), lower part spacer bar 19 rotationally wears to connect on the fixed block, place the gear shift hook 24 in lower part spacer bar 23 when the both ends of lower part spacer bar 19, and set up lower part spacer bar 19 in the lower part of lower part bed board mounting bracket 7 through rotating, can maintain the horizontality through lower part spacer bar 19 to the support of lower part bed board mounting bracket 7, rotate the support that breaks away from lower part bed board mounting bracket 7 on the fixed block when shifting lower part spacer bar 19, and when breaking away from the gear shift hook 24 of lower part spacer bar 23 with the both ends of lower part spacer bar 19, can make lower part bed board mounting bracket 7 fold, keep the vertical folding condition of lower part bed board mounting bracket 7.

The lower body shift lever 19 is integrally of a zigzag structure as shown in fig. 8. Specifically, the main body support part of the lower body adjustment lever 19 and the adjustment levers located at both ends are bent, the adjustment levers and the main body support part are integrated, and the adjustment levers are inserted into the lower body adjustment blocking pieces 23 located at both sides.

Referring to fig. 6, the two ends of the lower body shift lever 19 are respectively connected to a second knob 32, so that the main body support portion bent at the shift lever can be separated from or support the lower body bed plate mounting bracket 7 by rotating the second knob 32, and the lower body shift lever 19 can be conveniently rotated and displaced.

From the angle that the protection patient did not fall down from the transfer bed, the both sides of bed board support frame 1 are equipped with guardrail 9. Both ends of the guardrail 9 are respectively connected on the bed board support frame 1 through the rotating parts in a rotatable way. The rotating part includes a first coupling seat 22 and a bolt 21. The first connecting seat 22 is fixed on the bed board support frame 1, and the first connecting seat 22 and the guardrail 9 are correspondingly provided with first through holes (not shown in the figure) for the bolts 21 to pass through, and the first through holes are arranged along the longitudinal direction.

Referring to fig. 7, a fixing portion is further provided at one end of the guard rail 9, and the fixing portion includes a second connecting seat 33 and a plunger plug 20. The first and second connecting seats 22 and 33 are respectively located at both sides of one end of the guard rail 9. The second connecting seat 33 is fixed on the bed board support frame 1, and the second connecting seat 33 and the guardrail 9 are correspondingly provided with a second through hole (not shown in the figure) for the plunger bolt 20 to pass through, and the second through hole is arranged along the longitudinal direction.

The plunger plug 20 comprises a cylindrical main body, a plunger head and a push-pull handle, wherein the plunger head and the push-pull handle are positioned at two ends of the main body, a spring is arranged in the main body, and two ends of the spring are respectively connected with the plunger head and the push-pull handle. The plunger head is capable of entering and exiting the second through-hole.

When in use, the plunger head is inserted into the second through hole on the guardrail 9, and the guardrail 9 is clamped and does not rotate around the bolt 21; when the plunger 20 is pulled outwards, the plunger head of the plunger 20 is retracted from the second through hole of the guardrail 9, at which time the guardrail 9 can be rotated about the bolt 21. When the guardrail 9 rotates to 90 degrees upwards, the plunger plug 20 is loosened, the plunger head of the plunger plug 20 extends into the second through hole in the guardrail 9 again through the elastic force of the spring, the guardrail 9 is locked through the plunger plug 20, the guardrail 9 cannot rotate around the bolt 21, and therefore the guardrail 9 can prevent a patient from falling off a sickbed from the side edge and can also play a role of a handrail; when the guard bar 9 needs to be put down, the push-pull handle is pulled outwards, the plunger head of the plunger plug 20 retracts from the second through hole of the guard bar 9, at the moment, the guard bar 9 can be rotated by 180 degrees, the plunger plug 20 is released after the guard bar is vertically downward, and at the moment, a patient can easily go up and down a sickbed.

The utility model discloses well bed body of transporting the bed adopts the syllogic structure, and three grades of slopes can be realized to upper part of the body bed board 6 (backplate), and middle bed board 4 (buttockss board) level is fixed, and lower part of the body bed board 8 (leg board) can 90 degrees downwardly folding. The two ends of the bed board support frame 1 are respectively provided with a push bed handrail, and the two sides of the bed are provided with guardrails 9 to prevent the patient from falling. In the moving process of the pushing bed, the patient has high requirements on the bearing and the stability of the bed when performing cardiopulmonary compression, so that the sickbed bracket 2 of the transfer bed adopts a cross beam reinforced structure.

In a specific use scenario, as shown in fig. 1, the transfer bed of the present embodiment further includes a universal wheel 3 with a lock.

Wherein, bed board support frame 1 and sick bed support 2 welding, area lock universal wheel 3 installs on sick bed support frame 2, and middle bed board 4 is installed on the bed board support frame, and the manipulator handrail of bed board support frame 1 both ends makes things convenient for the operator to promote the transfer bed. Upper part of the body bed board 6 is installed on upper part of the body bed board mounting bracket 5, and upper part of the body bed board mounting bracket 5 can rotate around the support point on the bed board support frame 1, is equipped with the handle on the upper part of the body bed board mounting bracket 5, makes things convenient for the operator to lift and rotate around the support point on the bed board support frame 1 to realize that upper part of the body bed board 6 can become different angles with ground respectively, such as 15 °, 30 ° and 45 °, concrete structure is as shown in fig. 2.

The lower body bed board mounting rack 7 can rotate, so that the lower body bed board 8 can be horizontally adjusted in two directions of 90 degrees downwards, the handle is arranged on the lower body bed board mounting rack 7, an operator can conveniently lift the lower body bed board mounting rack 7 to rotate around a supporting point on the bed board supporting frame 1, and the specific structure is as shown in fig. 3 and 5.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims (10)

1. A transfer bed for use in confined spaces, comprising: the bed board support frame is hinged and connected with an upper body bed board mounting frame and a lower body bed board mounting frame, a link mechanism is arranged between the upper body bed board mounting frame and the bed board support frame, and the link mechanism is connected with an upper body gear control mechanism and used for adjusting the position state of the upper body bed board mounting frame;

a lower body gear control mechanism used for adjusting the position state of the lower body bed board mounting frame is arranged between the lower body bed board mounting frame and the bed board support frame.

2. The transfer bed for a narrow space according to claim 1, wherein the upper body gear control mechanism is connected to the bed board support frame, the link mechanism comprises an upper body gear rack hinged to the upper body bed board mounting frame, and the upper body gear rack is in clamping fit with the upper body gear control mechanism.

3. The transfer bed for the narrow space according to claim 2, wherein the upper body bed board mounting frame comprises a frame, a cross beam and a first supporting cross rod, the upper body hanging rack is hinged on the cross beam, and a tension spring is connected between the first supporting cross rod and the upper body hanging rack.

4. The transfer bed for the narrow space according to claim 3, wherein the upper body engaging frame comprises upper body engaging rods at two sides and a connecting cross rod connected between the upper body engaging rods, one end of each upper body engaging rod is hinged to the cross beam, and the other end of each upper body engaging rod is clamped to the upper body gear control mechanism; the extension spring is connected connect the horizontal pole with between the first support horizontal pole.

5. A transfer bed for small space as claimed in claim 4, wherein the other side of the first support cross bar opposite to the cross bar is provided with a second support cross bar, and the link mechanism further comprises a hand-pulling frame connected between the second support cross bar and the upper body hanging rack.

6. The transfer bed for the narrow space according to claim 5, wherein the hand-pulling frame comprises a hand-pulling rod, a T-shaped connecting rod and a linkage rod, one end of the linkage rod is connected with the connecting cross rod, and the other end of the linkage rod is connected with the T-shaped connecting rod; the single-end of the T-shaped connecting rod is connected to the second supporting cross rod, and the double-end of the T-shaped connecting rod is connected with the linkage rod and the hand lever respectively.

7. The transfer bed for the narrow space as claimed in claim 6, wherein the frame is provided with a positioning block, the positioning block is provided with a positioning hole, one end of the hand lever is connected with a first spherical handle, and the other end of the hand lever passes through the positioning hole and is connected with the two ends of the T-shaped connecting rod.

8. The transfer bed for the narrow space, according to claim 4, wherein the upper body gear control mechanism comprises a base and a plurality of gear control steps obliquely arranged on the base, the end part of the upper body gear engaging rod is connected with a gear engaging cross rod, the gear engaging cross rod can be matched and clamped on the gear control steps, and the base is connected with a limiting metal plate for limiting the moving space of the gear engaging cross rod.

9. The transfer bed for a narrow space according to any one of claims 1 to 7, wherein the lower body gear control mechanism comprises lower body gear adjusting pieces and lower body gear adjusting rods respectively arranged at the left and right sides of the bed board support frame, and the lower body gear adjusting rods are arranged between the lower body gear adjusting pieces; every all be provided with on the lower part of the body gear piece and shift and collude, the bottom of lower part of the body bed board mounting bracket is connected with the fixed block, the lower part of the body gear pole is rotationally the cross-under on the fixed block.

10. The transfer bed for narrow spaces according to any one of claims 1 to 7, wherein the two sides of the bed plate support frame are hinged with guard rails, and the two ends of the guard rails are rotatably connected to the bed plate support frame through rotating parts respectively; the transfer bed further comprises a fixing part, and the fixing part is used for fixing the guardrail.

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