CN210872546U

CN210872546U - Stretcher with bed passing function

Info

Publication number: CN210872546U
Application number: CN201921658287.1U
Authority: CN
Inventors: 陈敏堂; 韦宝仁
Original assignee: Hechi Jinchengjiang District People's Hospital Third Hechi People's Hospital
Current assignee: Hechi Jinchengjiang District People's Hospital Third Hechi People's Hospital
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-30
Anticipated expiration: 2029-09-30

Abstract

The utility model provides a stretcher with cross bed function, relate to the medical instrument field, including height-adjustable's frame, the setting is in the bearing frame of frame top, and with bearing frame sliding connection's the bed board of crossing, the both sides that the frame is relative all are provided with a wheel carrier, each wheel carrier all includes two middle part articulated support frames, the lower extreme of support frame is provided with the universal wheel, and be provided with actuating mechanism on the frame, can make two support frames tighten up or open the homonymy through actuating mechanism, thereby adjust the height of bed board, make patient can shift sick bed or operating table from the stretcher. The utility model provides a stretcher with cross bed function can infinitely variable control cross the height of bed board, need not other auxiliary device and can shift patient from the stretcher to the sick bed, has simple structure, easy and simple to handle's advantage.

Description

Stretcher with bed passing function

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a stretcher with cross bed function.

Background

Wounded can appear under scenes such as hospital, disaster relief scene, in order to can in time to the wounded to rescue, need transport wounded to medical field fast and transport, the traditional mode adopts manpower stretcher, through the manpower transport patient, nevertheless adopts manpower stretcher need consume more manpower, and patient's weight is heavier in the especially first aid touch, and when medical personnel's strength is single thin again, can bring many troubles, and the condition such as patient's transfer speed is slow takes place.

Under the demand, the stretcher comes along. The stretcher has the advantages that the number of connecting mechanisms with complex structures is reduced while the wounded are transported, universal assembling tools are used as far as possible during assembling, the weight is reduced as far as possible, the size is minimized, and the transportation is facilitated.

At present, the stretcher used in hospitals has the following defects when the bed of a patient is converted: 1. when the bed is changed, a plurality of nursing staff are required to lift and transport due to the fact that the height of the stretcher trolley is not consistent with the height of the sickbed. 2. When the height of the stretcher is consistent with that of the sickbed, some auxiliary devices, such as easy passing through the bed, are needed to transfer the patient to the sickbed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stretcher with cross bed function can adjust its height, need not auxiliary device and can shift patient from the stretcher to the bed.

A stretcher vehicle with a bed passing function comprises a bearing frame, a frame and a bed passing plate;

the upper part of the bearing frame is provided with two parallel slide rails, the lower part of the bearing frame is provided with two parallel lateral rails, and the lateral rails are vertical to the slide rails;

the frame comprises wheel carriers symmetrically arranged on two sides of the bearing frame, each wheel carrier comprises two support rods, the middle parts of the two support rods on the same wheel carrier are hinged together to form an X-shaped support frame structure, universal wheels are mounted at the bottom ends of the support rods, the upper ends of the two support rods at the same end are connected through slide rods, the two ends of each slide rod are respectively in sliding fit with the lateral rails, a driving mechanism is mounted on the frame, and the two slide rods can synchronously slide towards each other or back to each other along the lateral rails under the driving of the driving mechanism to adjust the height of the frame;

two opposite end parts of the over-bed board are respectively connected with the two sliding rails in a sliding manner, and one of the sliding rails is provided with a locking mechanism used for locking and fixing the over-bed board relative to the sliding rails.

Further, the driving mechanism comprises an installation box, a worm wheel cylinder, two screws, a worm and a rocking handle, wherein the installation box is fixedly connected with the frame, a cavity is arranged in the installation box, two opposite sides of the cavity are respectively provided with a guide hole communicated with the outside, the guide holes are parallel to the lateral rail axis, the worm wheel cylinder is rotatably arranged in the cavity, two ends of the worm wheel cylinder are respectively provided with an inner threaded hole, the two screws are provided with two screws, one ends of the two screws respectively penetrate through the two guide holes and are respectively connected with the two slide bars, the other ends of the two screws are respectively provided with an outer thread in threaded connection with the inner threaded holes at the two ends of the worm wheel cylinder, the outer threads of the two screws are opposite in rotating direction, so that the two screws can synchronously contract or synchronously extend relative to the worm wheel cylinder, one end of the worm is rotatably arranged in the cavity and is in transmission connection with the worm wheel cylinder, the other end of the handle extends out of the mounting box and is fixedly connected with the rocking handle.

Furthermore, the internal thread holes at two ends of the worm wheel cylinder are communicated and are positioned on the same axis, at least one screw rod is arranged in a tubular shape, and the end part of the other screw rod can be inserted into the inner hole of the other screw rod.

Further, the rocking handle includes first branch and second branch, the one end of worm is provided with rather than the axis vertically mounting hole, the one end of first branch with the mounting hole is pegged graft, the other end of first branch with second branch is perpendicular to be connected.

Furthermore, the opposite sides of the two slide rails are respectively concavely provided with a sliding groove along the length direction, and the two opposite ends of the over-bed plate are connected with the sliding grooves in a sliding manner.

Furthermore, the locking mechanism comprises a lock pin and a tension spring, wherein a pin hole is formed in the side wall of the slide rail, the lock pin is slidably arranged in the pin hole in a penetrating mode, two ends of the lock pin protrude out of the pin hole, the tension spring is sleeved on the lock pin, one end of the tension spring is fixedly connected with the outer wall of the lock pin, the other end of the tension spring is fixedly connected with the slide rail, a lock hole capable of being connected with the lock pin in an inserting mode is formed in the bed board, and the lock pin is kept in an inserting mode with the lock hole under the elastic action of the tension spring.

Further, one end, far away from the sliding rail, of the lock pin is rotatably provided with a pull ring.

Furthermore, a plurality of rolling shafts are uniformly arranged between the two sliding rails, two ends of each rolling shaft are respectively rotatably connected with the two sliding rails, and the bottom of the bed plate is in rolling friction with the rolling shafts.

Furthermore, the two opposite end parts of the over-bed board are obliquely provided with railings facing outwards, and the railings are fixedly connected with the over-bed board.

Furthermore, one side of the two ends of the sliding rail, which faces away from the bed board, is provided with a handle.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

1. the height of the frame is adjusted, so that the bed board is in butt joint with the sickbed, then the locking mechanism is opened, the bed board can be pushed to carry a patient from the side part of the frame to be translated to the sickbed together, then one side of the patient is lifted, the bed board is drawn out from the patient, and the patient can be transferred to the sickbed from the stretcher, and no auxiliary device is needed in the process.

2. Through rocking handle drive worm, under the drive of worm, the worm wheel section of thick bamboo can drive two screw rod relative motion or back-to-back motion to promote two slide bar relative motion or back-to-back motion, make two spinal branch vaulting poles of cross hinged tighten up or open, when two spinal branch vaulting poles tighten up, the height of slide rail is raised, and when two spinal branch vaulting poles opened, the height of slide rail declined. The height of the bed plate can be smoothly adjusted through the mode, so that the bed plate can be stably and horizontally moved to sickbeds with different heights.

3. The two screws can be sleeved, so that the two screws can have wider adjustment amount on the premise of shortening the length of the worm gear cylinder.

4. The rocking handle is connected with the worm in a rotating way, so that the rocking handle is convenient to retract.

5. The over-bed board is connected with the sliding rail in a sliding mode through the sliding groove, the sliding groove can limit the over-bed board in the up-down direction and the left-right direction, the over-bed board can only slide in the front-back direction along the sliding groove, and the over-bed board is simple in structure. In addition, on the one hand, some patients have the condition of bleeding, and in the handling, can pollute the bed board inevitable, and the spout sets up with crossing bed board sliding fit, can let to cross the bed board and can dismantle, convenient washing.

6. Through lockpin and lockhole grafting for cross the relative slide rail of bed board and fix, only need single lockpin can lock the bed board moreover, its simple structure, convenient operation.

7. The pull ring is convenient to grasp, and the lock pin is convenient to pull to separate from the lock hole.

8. The roller bearing can reduce the resistance when passing the bed board translation, but also can provide the supporting function for passing the bed board, prevent that the patient from being too heavy and leading to passing the bending deformation of the bed board

9. The railing has two functions, one is convenient to push the stretcher vehicle to move, and the other is convenient to push the bed board to move horizontally to the sickbed.

10. The handle has two functions, firstly, the stretcher cart is conveniently pushed to move, and secondly, the stretcher cart can be lifted up through the handle when meeting places which are difficult to push.

Drawings

Fig. 1 is a schematic view of a stretcher with a bed-passing function according to the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1;

fig. 3 is a schematic view of the present invention, which omits other structures and only includes universal wheels, support rods, slide rods and lateral rails.

In the figure, 101-a bed plate, 102-a sliding rail, 103-a mounting box, 104-a lateral rail, 105-a guide hole, 106-a worm wheel cylinder, 107-a screw rod, 108-a worm, 109-a support rod, 110-a universal wheel, 111-a sliding chute, 112-a locking pin, 113-a pin hole, 114-a tension spring, 115-a locking hole, 116-a pull ring, 117-a rolling shaft, 118-a first support rod, 119-a second support rod, 120-a railing, 121-a handle and 122-a sliding rod.

Detailed Description

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

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, a preferred embodiment of the present invention provides a stretcher with a bed-crossing function, which includes a bearing frame, a frame and a bed-crossing plate 101.

The upper part of the bearing frame is provided with two parallel slide rails 102, the lower part is provided with two parallel lateral rails 104, and the lateral rails 104 are vertically and fixedly connected with the slide rails 102.

The frame comprises wheel carriers symmetrically arranged on two sides of the bearing frame, each wheel carrier comprises two supporting rods 109, universal wheels with brakes are arranged at the lower ends of the supporting rods 109, and the middle parts of the two supporting rods 109 on the same wheel carrier are hinged together to form an X-shaped supporting structure. The upper ends of the two support rods 109 at the same end are connected through a slide rod 122, and the two ends of the slide rod 122 are respectively in sliding fit with the lateral rails 104. And a driving mechanism is arranged on the frame, and two opposite ends of the driving mechanism are respectively and rotatably connected with the two sliding rods 122. Under the driving of the driving mechanism, the two sliding rods 122 can synchronously slide towards or away from each other along the lateral rails 104 to adjust the height of the vehicle frame. In this embodiment, the structure and installation of the universal wheel 110 with brake are prior art and will not be described in detail herein for brevity.

The over-bed board 101 is a rectangular board, two opposite ends of the over-bed board 101 are slidably connected with the two slide rails 102, one of the slide rails 102 is provided with a locking mechanism, and the over-bed board 101 can be locked and fixed relative to the slide rails 102 through the locking mechanism.

Preferably, the drive mechanism includes a mounting case 103, a worm gear 106, a screw 107, a worm 108, and a crank. Wherein install bin 103 with frame fixed connection, and install bin 103 is square form setting, and inside has a cavity. Two opposite sides of the chamber are respectively provided with a guide hole 105 communicated with the outside, and the guide holes 105 are parallel to the axis of the lateral rail 104. The worm gear 106 is rotatably disposed in the cavity, a plurality of gears (not shown in the figure) are uniformly distributed on the circumferential surface of the worm gear 106, the length direction of the gears is parallel to the axis of the worm gear 106, and two ends of the worm gear 106 are both provided with internal thread holes. Two screw rods 107 are arranged, one end of each of the two screw rods 107 penetrates through the two guide holes 105 and is respectively connected with the two slide rods 122, the other end of each of the two screw rods 107 is provided with an external thread which is respectively in threaded connection with the internal thread holes at the two ends of the worm gear 106, and the rotation direction of the external thread of one screw rod 107 is opposite to that of the external thread of the other screw rod 107. The worm 108 is rotatably disposed in the chamber, and the worm 108 is in transmission connection with the worm gear 106 through the gear, and the worm 108 is perpendicular to the axis of the worm gear 106. A through hole is formed in the outer wall of the installation box 103, one end of the worm 108 is rotatably arranged in the cavity and is in transmission connection with the worm wheel cylinder (106), and the other end of the worm extends out of the installation box (103) in a protruding mode and is fixedly connected with the rocking handle. Under the driving of the worm 108, the worm gear cylinder 106 can drive the two screws 107 to synchronously move towards or away from each other, so that the two support rods 109 move towards or away from each other, stepless adjustment can be realized, and the bed plate 101 can be stably moved to sickbeds with different heights.

Preferably, the threaded holes at the two ends of the worm gear 106 are communicated and located on the same axis, at least one of the screws 107 is tubular, and when the two screws 107 move relatively, the end of the other screw 107 can be inserted into the inner hole. The two screws 107 are inserted, so that the two screws 107 can have wider adjustable length on the premise of shortening the length of the worm gear 106.

Preferably, the rocking handle includes a first supporting rod 118 and a second supporting rod 119, one end of the worm 108 is provided with a mounting hole perpendicular to the axis thereof, one end of the first supporting rod 118 is inserted into the mounting hole, the other end of the first supporting rod 118 is perpendicular to the axis of the second supporting rod 119, and the first supporting rod 118 is fixedly connected with the second supporting rod 119. The rocking handle is connected with the worm 108 in a rotating mode, and the rocking handle is convenient to retract.

Preferably, the slide rail is concavely provided with a sliding groove 111 along the length direction thereof, and two opposite ends of the over-bed plate 101 are slidably connected with the sliding groove 111. The over-bed board 101 is connected with the sliding rail 102 in a sliding mode through the groove, the over-bed board 101 can be limited in the vertical direction and the left-right direction through the groove, the over-bed board 101 can only slide in the front-back direction along the sliding groove 111, the structure is simple, and the sliding process is more stable.

Preferably, the locking mechanism includes a locking pin 112 and a tension spring 114. A through pin hole 113 is formed in the side wall of one of the slide rails 102, the lock pin 112 is slidably inserted into the pin hole 113, two ends of the lock pin 112 protrude out of the pin hole 113, the tension spring 114 is sleeved on the lock pin 112, one end of the tension spring is fixedly connected with the outer wall of the lock pin 112, the other end of the tension spring is fixedly connected with the slide rail 102, a lock hole 115 capable of being inserted into the lock pin 112 is formed in the bed plate 101, and the lock pin 112 is kept in an inserted state with the lock hole 115 under the elastic force action of the tension spring 114. The lock pin 112 is inserted into the lock hole 115, so that the over-bed plate 101 is fixed relative to the slide rail 102, and the over-bed plate 101 can be fixed relative to the slide rail 102 only by the single lock pin 112, so that the over-bed plate fixing device is simple in structure and convenient to operate.

Preferably, the end of the locking pin 112 remote from the sliding rail 102 is provided with a pull ring 116. The pull ring 116 is easy to grasp and pull the lock pin 112 away from the lock hole 115.

Preferably, a plurality of rollers 117 are uniformly arranged between the two slide rails 102, two ends of each roller 117 are rotatably connected with the two slide rails 102, and the bottom of the over-bed plate 101 is in rolling friction with the rollers 117. The roller 117 can reduce the resistance of the over-bed board 101 during translation, and can also provide a supporting function for the over-bed board 101, so as to prevent the over-bed board 101 from bending and deforming due to the over-weight of the patient.

Preferably, railings 120 which are inclined outward are arranged at two opposite ends of the over-board 101, and the railings 120 are fixedly connected with the over-board 101. The balustrade 120 has two functions, one is to facilitate the movement of the stretcher, and the other is to facilitate the translation of the bed board 101 to the sickbed.

Preferably, a handle 121 is arranged on one side of each of the two ends of the sliding rail 102, which faces away from the bed plate 101, and the handle 121 is parallel to the axis of the lateral rail 104. The handle 121 has two functions, one is to facilitate pushing the stretcher to move, and the other is to lift the stretcher by the handle 121 when encountering a place difficult to push.

The utility model discloses a theory of operation:

in use, the worm 108 is driven by the rocking handle, and the worm gear 106 can enable the two screw rods 107 to synchronously move relatively or oppositely move under the driving of the worm 108, so as to push the two sliding rods 122 to synchronously move relatively or oppositely move, and the two supporting rods 109 which are hinged in a crossed manner are tightened or opened. When the two supporting rods 109 are tightened, the height of the sliding rail 102 is raised, when the two supporting rods 109 are opened, the height of the sliding rail 102 is lowered, the height of the sliding rail 102 is raised or lowered, the height of the bed plate 101 can be translated to the sickbed, the locking mechanism is opened, the bed plate 101 can be pushed to translate to the sickbed together with a patient from one side of the frame, then one side of the patient is moved up, the bed plate 101 is pulled out from the patient, the sliding rail 102 is pushed into the groove, no auxiliary device is needed in the process, the height of the bed plate 101 is adjusted through the rocking handle, the structure is simple, the operation is simple and convenient, the smooth adjustment can be realized, and the moving bed can be butted with the sickbeds with different heights and an operating table. In addition on the one hand, some patients have the condition of bleeding, in handling, can pollute the bed board inevitable, and the utility model discloses the bed board 101 of crossing in the scheme can be dismantled, convenient washing.

Claims

1. A stretcher vehicle with a bed passing function is characterized by comprising a bearing frame, a vehicle frame and a bed passing plate (101);

the upper part of the bearing frame is provided with two parallel slide rails (102), the lower part of the bearing frame is provided with two parallel lateral rails (104), and the lateral rails (104) are vertical to the slide rails (102);

the frame comprises wheel frames symmetrically arranged on two sides of the bearing frame, each wheel frame comprises two support rods (109), the middle parts of the two support rods (109) on the same wheel frame are hinged together to form an X-shaped support frame structure, universal wheels are mounted at the bottom ends of the support rods (109), the upper ends of the two support rods (109) at the same end are connected through slide rods (122), two ends of each slide rod (122) are respectively in sliding fit with the lateral rails (104), a driving mechanism is mounted on the frame, and the two slide rods (122) can synchronously slide towards each other or back to each other along the lateral rails (104) under the driving of the driving mechanism so as to adjust the height of the frame;

two opposite end parts of the over-bed plate (101) are respectively connected with the two sliding rails (102) in a sliding manner, and a locking mechanism used for locking and fixing the over-bed plate (101) relative to the sliding rails (102) is arranged on one of the sliding rails (102).

2. The stretcher with the bed passing function according to claim 1, wherein the driving mechanism comprises a mounting box (103), a worm gear (106), a screw (107), a worm (108) and a rocking handle, wherein the mounting box (103) is fixedly connected with the frame, a chamber is arranged in the mounting box (103), two opposite sides of the chamber are respectively provided with a guide hole (105) communicated with the outside, the guide holes (105) are parallel to the axis of the lateral rail (104), the worm gear (106) is rotatably arranged in the chamber, two ends of the worm gear (106) are provided with internal threaded holes, the screw (107) is provided with two screws (107), one end of each screw (107) respectively passes through the two guide holes and is respectively connected with the two slide bars (122), the other end of each screw is provided with an external thread which is respectively connected with the internal threaded holes at two ends of the worm gear (106), and the external threads of the two screws (107) are opposite in rotating direction, so that the two screws (107) can synchronously contract or synchronously extend out relative to the worm gear cylinder (106), one end of the worm (108) is rotatably arranged in the cavity and is in transmission connection with the worm gear cylinder (106), and the other end of the worm (108) extends out of the mounting box (103) and is fixedly connected with the rocking handle.

3. A stretcher with a bed-crossing function as claimed in claim 2, wherein the female screw holes at both ends of the worm gear cylinder (106) are communicated and located on the same axis, at least one of the screws (107) is arranged in a tubular shape, and the end of the other screw (107) is inserted into the inner hole thereof.

4. The stretcher vehicle with the function of passing through the bed as claimed in claim 2, wherein the rocking handle comprises a first supporting rod (118) and a second supporting rod (119), one end of the worm (108) is provided with a mounting hole perpendicular to the axis thereof, one end of the first supporting rod (118) is inserted into the mounting hole, and the other end of the first supporting rod (118) is perpendicularly connected with the second supporting rod (119).

5. The stretcher vehicle with the bed passing function as claimed in claim 1, wherein the opposite sides of the two slide rails (102) are recessed with slide grooves (111) along the length direction, and the opposite ends of the bed passing board (101) are slidably connected with the slide grooves (111).

6. The stretcher vehicle with the bed passing function according to claim 5, wherein the locking mechanism comprises a lock pin (112) and a tension spring (114), a pin hole (113) is formed in a side wall of one of the slide rails (102), the lock pin (112) is slidably inserted into the pin hole (113), two ends of the lock pin (112) protrude out of the pin hole (113), the tension spring (114) is sleeved on the lock pin (112), one end of the tension spring is fixedly connected with an outer wall of the lock pin (112), the other end of the tension spring is fixedly connected with the slide rail (102), a lock hole (115) capable of being inserted into the lock pin (112) is formed in the bed passing plate (101), and under the elastic force of the tension spring (114), the lock pin (112) keeps the inserted state with the lock hole (115).

7. A stretcher vehicle with a bed-crossing function according to claim 6, characterized in that the end of the lock pin (112) remote from the slide rail (102) is rotatably provided with a pull ring (116).

8. The stretcher vehicle with the function of passing through the bed as claimed in claim 1, wherein a plurality of rollers (117) are uniformly arranged between the two slide rails (102), two ends of each roller (117) are respectively and rotatably connected with the two slide rails (102), and the bottom of the bed plate (101) is in rolling friction with the rollers (117).

9. The stretcher vehicle with the bed passing function as claimed in claim 1, wherein the opposite ends of the bed passing board (101) are obliquely provided with a railing (120) facing outwards, and the railing (120) is fixedly connected with the bed passing board (101).

10. The stretcher vehicle with the bed passing function as claimed in claim 1, wherein a handle (121) is arranged on one side of the two ends of the slide rail (102) opposite to the bed passing plate (101).