CN110279526B

CN110279526B - Special transfer car (buggy) of ICU patient

Info

Publication number: CN110279526B
Application number: CN201910599836.0A
Authority: CN
Inventors: 王慧芳
Original assignee: Henan Hospital Traditional Chinese Medicine Second Affiliated Hospital of Henan University of Traditional Chinese Medicine TCM
Current assignee: Henan Hospital Traditional Chinese Medicine Second Affiliated Hospital of Henan University of Traditional Chinese Medicine TCM
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-05-29
Anticipated expiration: 2039-07-04
Also published as: CN110279526A

Abstract

The invention provides a transfer trolley special for ICU patients, which effectively solves the technical problems that the existing transfer trolley has a single structure and can not be used for placing some medical equipment required during transfer. The multifunctional ICU transfer trolley is characterized in that an L-shaped sliding frame is connected to the lower bed frame in a sliding mode, the L-shaped sliding frame is integrally connected with a transverse sliding frame and a vertical sliding frame, the transverse sliding frame is connected to the lower bed frame in a sliding mode, the vertical sliding frame is arranged on the outer side of the lower bed frame, a transverse driving device is installed on the transverse sliding frame, a lifting driving device is installed on the vertical sliding frame, a containing cavity is placed on the transverse sliding frame and can move from the right end to the left end of the transverse sliding frame and then automatically lift from the lower end to the top end of the vertical sliding frame, and the containing cavity can restore to the original position of the transverse sliding frame from the vertical sliding frame.

Description

Special transfer car (buggy) of ICU patient

Technical Field

The invention relates to the technical field of ICU, in particular to a transfer trolley special for ICU patients.

Background

The ICU is an intensive care unit, also called an intensive care unit comprehensive treatment room, can synchronously carry out treatment, nursing and health, and provides an isolation place and equipment for patients with severe or coma.

The patient after treatment from the ICU ward is finally transferred to the ordinary ward, the body of the patient is weak in the transfer process, a transfer trolley is used in the transfer process, the transfer speed of the transfer trolley is low, and the patient is provided with a plurality of treatment instruments;

the medical equipment applied to the process of transferring the patient from the ICU ward to the ordinary ward is more, and the main body of the medical equipment is as follows: the used medicines, the medicines related to transfusion, the monitoring instruments (blood pressure, heartbeat and the like) for monitoring the physical conditions, the oxygen supply tank, the breathing mask and other examination equipment, but the existing transfer trolley is only fixed with two rings at the lower end of the head part of the trolley body for placing the oxygen tank, has no other space for placing other medical equipment, and generally needs medical care personnel or family members to transfer the needed medical equipment to a common ward by themselves.

In this transportation, for example, the oxygen supply equipment is generally used for the nasal cavity of the patient, the oxygen supply equipment needs to be close to the head of the patient, and when the oxygen supply is not needed, the oxygen supply equipment does not need to be close to the patient, otherwise, the oxygen supply equipment occupies the space and brings inconvenience.

The invention provides a novel ICU transfer trolley, which can be used for designing an accommodating cavity for accommodating medical equipment according to the use condition of a patient.

Disclosure of Invention

Aiming at the situation, the invention provides the transfer trolley special for the ICU patient to overcome the defects of the prior art, and the transfer trolley effectively solves the technical problems that the conventional transfer trolley has a single structure and cannot be used for placing some medical equipment required during transfer.

A transfer trolley special for ICU patients comprises an upper bedstead, a rail, a pushing handle, a lower bedstead, a lifting support and universal wheels, and is characterized in that an L-shaped sliding frame is connected to the lower bedstead in a sliding mode, the L-shaped sliding frame is integrally connected with a transverse sliding frame and a vertical sliding frame, the transverse sliding frame is connected to the lower bedstead in a sliding mode, the vertical sliding frame is arranged on the outer side of the lower bedstead, a transverse driving device is installed on the transverse sliding frame, a lifting driving device is installed on the vertical sliding frame, a containing cavity is placed on the transverse sliding frame and can move to the left end from the right end of the transverse sliding frame and then automatically lift to the top end from the lower end of the vertical sliding frame, and the containing cavity can restore to the original position of the transverse sliding frame from the vertical sliding frame.

Preferably, the transverse driving device comprises a transverse sliding frame groove arranged on a transverse sliding frame, a front guide rod, a transverse lead screw and a rear guide rod are sequentially arranged in the transverse sliding frame groove, a sliding block is arranged on the front guide rod, the transverse lead screw and the rear guide rod, a placing groove is formed above the sliding block, a containing cavity is placed in the placing groove, the transverse lead screw penetrates through the transverse sliding frame, a lead screw gear is installed at the end of the transverse lead screw, a switching gear is meshed with the lead screw gear, the width of the switching gear is larger than that of the lead screw gear, transverse clamping blocks are integrally connected to the two sides of the end of the transverse sliding frame, transverse clamping grooves matched with the transverse clamping blocks are installed on the lower bed frame, magnetic sheets are installed in the transverse clamping grooves, and.

Preferably, the switching gear is installed on the sliding shaft, the switching gear can slide on the sliding shaft, the switching gear comprises a first gear, a connecting wheel and a second gear, the first gear, the connecting wheel and the second gear are sequentially and integrally connected, the first gear is meshed with the screw rod gear in the initial position, and the switching gear is provided with a guide ring penetrating through the vertical sliding frame.

Preferably, the inside of the opening at the upper end of the accommodating cavity is a cavity, a hook is fixed at the front end of the accommodating cavity, the hook structure is a plurality of hook clamping blocks with different heights, and a vertical sliding block is fixed in the middle of the front end of the accommodating cavity.

Preferably, set up the vertical spout that matches with vertical slider on the perpendicular balladeur train, the perpendicular balladeur train groove of symmetry is seted up to vertical spout both sides, the fixed pulley is installed to the upper end in perpendicular balladeur train groove, the promotion slider is installed to perpendicular balladeur train groove lower extreme, the vertical fixation has the baffle on the promotion slider, install the cardboard perpendicularly on the baffle, the cardboard is seted up the couple draw-in groove with the different degree of depth that the couple fixture block matches, install the rolling wheel in the outside of perpendicular balladeur train, the rolling wheel coaxial fixation has promotion ratchet and last bevel gear, the cooperation has the promotion pawl on the promotion ratchet, it has lower bevel gear to go up the bevel gear cooperation, lower bevel gear coaxial arrangement has the promotion gear, the promotion slider is walk.

Preferably, the lifting gear is engaged with a lifting gear, the lifting gear and the lead screw gear are arranged on the same horizontal plane, when the lifting gear is at an initial position, the switching gear is engaged with the lead screw gear, the switching gear is not engaged with the lifting gear, and after the switching gear is switched for the first time, the switching gear slides to be engaged with the lifting gear, and the switching gear is disengaged from the lead screw gear.

Preferably, vertical rack groove has been seted up on the perpendicular balladeur train, vertical rack inslot slidable placed vertical rack, the front end fixed mounting in holding chamber has the kicking block, the kicking block can contact vertical rack, and drive vertical rack upward movement, vertical rack toothing has the rotating gear of inlaying in perpendicular balladeur train, rotating gear coaxial coupling has first belt pulley, first belt pulley belt is connected with the second belt pulley of arranging its below in, second belt pulley coaxial coupling has the conversion gear, conversion gear meshing has the horizontal rack of arranging the perpendicular balladeur train outside in, the end of horizontal rack is fixed with the promotion ring, the end and the switching gear contact of promotion ring.

Preferably, one side of the ascending gear is further fixed with a supporting gear, the supporting gear is coaxially connected with a left bevel gear, the left bevel gear is vertically meshed with a right bevel gear, the right bevel gear is coaxially connected with a pushing gear, the pushing gear is meshed with a pushing rack, the end of the pushing rack is fixed with a pushing plate, a pushing groove matched with the pushing plate is formed in the front end of the upper bed frame, a thimble sensor is placed in the pushing groove, the switching gear is meshed with a driving gear, the driving gear is always meshed with the switching gear, the driving gear is connected with a driving motor through a driving shaft, and the thimble sensor controls the driving motor to stop working.

Preferably, the ascending gear is coaxially connected with a one-way wheel, a reset gear is meshed above the one-way wheel, the reset gear is coaxially connected with a first direction bevel gear, the first direction bevel gear is meshed with a second direction bevel gear, the second direction bevel gear is coaxially connected with a reciprocating gear, and the reciprocating gear is meshed with a reciprocating rack.

The invention has the following advantages:

1. the operation is simple, the switch of the driving motor is controlled only when the driving motor rotates forwards, the lifting pawl is poked when the driving motor rotates backwards, and then the switch of the driving motor is controlled.

2. The whole motion track of the invention can complete the reciprocating motion of the accommodating cavity only by using one driving motor.

3. The switching gear overcomes the technical difficulty when the driving motor rotates reversely, and can be switched back through a set of set mechanism, so that the accommodating cavity realizes the reset motion.

4. The holding chamber is used for placing articles such as oxygen jar, respiratory mask, monitoring facilities, medical medicine, makes things convenient for the use of ICU transfer car when transporting.

Drawings

FIG. 1 is a schematic front view of the present invention.

Fig. 2 is a front and top view schematic of a vertical carriage of the present invention.

Fig. 3 is a front view of the cross carriage of the present invention.

FIG. 4 is a schematic view of the accommodating chamber of the present invention.

Fig. 5 is a schematic view of an overall driving device according to the first embodiment of the present invention.

Fig. 6 is a schematic view of an overall driving device according to the present invention.

FIG. 7 is a schematic view of the driving of the one-way wheel and the reciprocating gear of the present invention.

FIG. 8 is a schematic view of the lifting slide of the present invention.

Fig. 9 is a schematic view of a one-way wheel of the present invention.

FIG. 10 is a schematic view of the connection between the guide ring and the pushing ring on the switching gear according to the present invention.

Detailed Description

The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 10. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

The invention relates to a transfer trolley special for ICU patients, which is a prior art, the functions of the existing transfer trolley are more and more diversified and gradually tend to electronic intellectualization, but the diversified functions are mainly embodied in a fence, an up-down lifting device, an electronic display screen, a foot brake and the like, but for the function of placing medical equipment, the existing transfer trolley only has a ring for placing an oxygen cylinder fixed at the bottom of the front end of the transfer trolley, and in addition, no space for placing the medical equipment is used.

The first embodiment comprises an upper bedstead 1 capable of lifting, a rotatable fence 2, a push handle 3, a lower bedstead 4, lifting supports 5 for adjusting height, and universal wheels 6, wherein 4 lifting supports 5 are symmetrically arranged on the lower bedstead 4, so that the 4 lifting supports 5 leave a channel for conveniently placing an L-shaped carriage 7, the carriage 7 is slidably connected on the lower bedstead 4, in order to better express the carriage 7, the carriage 7 is divided into a transverse carriage 8 and a vertical carriage 9, the transverse carriage 8 is slidably connected on the lower bedstead 4, the vertical carriage 9 leans against the outer side of the lower bedstead 4, the transverse carriage 8 is provided with a transverse driving device 10, the vertical carriage 9 is provided with a lifting driving device 11, the transverse carriage 8 is provided with a containing cavity 12, the containing cavity 12 is used for placing articles such as medical equipment and medicines required for transportation, and when in use, especially when long-term use, move this holding chamber 12 to the top of going up bedstead 1, then the operation is used, after using up, return this holding chamber 12 to the original place again, the motion orbit of holding chamber 12 is for moving to the left end from the right end of sideslip frame 8, then from the lower extreme of vertical carriage 9 automatic lifting to the top, when needing to reset, holding chamber 12 automatic from the top of vertical carriage 9 resume the normal position of horizontal carriage 8.

The initial position of the accommodating cavity 12 is placed on the cross sliding frame 8, when the accommodating cavity is needed, the transverse driving device 10 enables the accommodating cavity 12 to move to the left end from the right end of the cross sliding frame 8, then the accommodating cavity is automatically switched to the lifting driving device 11, the lifting driving device 11 drives the accommodating cavity 12 to reach the top end of the vertical sliding frame 9, then the accommodating cavity stops working, medical equipment in the accommodating cavity 12 is used by a patient, after the accommodating cavity 12 is used, the accommodating cavity 12 moves to the lowest end from the top end of the vertical sliding frame 9, then the accommodating cavity is switched to the transverse driving device 10, and the accommodating cavity 12 automatically moves to the right end from the left end of the cross sliding frame 8.

In the second embodiment, on the basis of the first embodiment, the transverse driving device 10 includes a transverse sliding frame groove 13 formed on the transverse sliding frame 8, the transverse sliding frame groove 13 is a rectangular groove, a front guide rod 14, a transverse screw 15, and a rear guide rod 16 are sequentially installed in the transverse sliding frame groove 13, the front guide rod 14, the transverse screw 15, and the rear guide rod 16 form a screw transmission mechanism, a slider 22 is sleeved on the three, when the transverse screw 15 rotates, the slider 22 completes transverse movement on the transverse screw 15, a placing groove is formed above the slider 22, a containing cavity 12 is placed in the placing groove, one end of the transverse screw 15 passes through the transverse sliding frame 8, a screw gear 27 is installed at an end of the transverse screw 15, the screw gear 27 is engaged with a switching gear 17, the width of the switching gear 17 is larger than that of the screw gear 27, transverse clamping blocks 18 are integrally connected to two sides of the end of the transverse sliding frame 8, a transverse clamping groove 19 matched with the transverse clamping blocks 18 is installed on the lower frame 4, the transverse clamping block 18 can be clamped in the transverse clamping groove 19, a magnetic sheet 20 is installed in the transverse clamping groove 19, a metal block 21 is fixed on the transverse clamping block 18, and a contact sensor is installed at the right end of the transverse sliding frame 8 to control the driving motor.

When the bed is used, the upper end of the vertical sliding frame 9 is provided with a grab handle, the grab handle is pulled to pull the sliding frame 7 outwards, the transverse sliding frame 8 slides on the lower bed frame 4, when the transverse clamping block 18 touches the transverse clamping groove 19, the metal block 21 is adsorbed by the magnetic sheet 20, the transverse sliding frame 8 cannot move leftwards continuously, when the transverse clamping block is separated, the sliding frame 7 is pushed by hand only, the metal block 21 is separated from the magnetic sheet 20, a gap is reserved between the vertical sliding frame 9 and the lower bed frame 4 as well as the upper bed frame 1, the distance of the gap is the distance between the transverse clamping groove 19 and the transverse clamping block 18, the distance is slightly larger than the width of the accommodating cavity 12, a space is reserved when the accommodating cavity 12 rises, when the switching gear 17 is driven, the switching gear 17 drives the screw rod gear 27 to rotate, the screw rod gear 27 drives the transverse screw rod 15 to rotate, the sliding block 22 moves leftwards under the driving of the transverse screw rod 15, until the left end of the cross carriage 8 comes into contact with the vertical carriage 9.

In the third embodiment, on the basis of the second embodiment, the switching gear 17 is mounted on a slide shaft 23 and can move on the slide shaft 23, the switching gear 17 comprises a first gear 24, a connecting wheel 25 and a second gear 26, the first gear 24 and the second gear 26 are identical in structure and are connected by the connecting wheel 25, the connecting wheel 25 is not toothed, in the initial position, the switching gear 17 is meshed with a lead screw gear 27, specifically, the first gear 24 is meshed with the lead screw gear 27, a guide ring 28 penetrating through the vertical carriage is mounted on the right end face of the first gear 24, the guide ring 28 can slide on the vertical carriage 9, and the extending length of the guide ring 28 is selected according to the sliding distance.

When the accommodating cavity 12 moves from the right end to the left end of the cross slide frame 8, the accommodating cavity 12 or the slider 22 touches the guide ring 28, so that the guide ring 28 drives the first gear 24 (the switching gear 17) to move leftward, and the first gear 24 is separated from the screw gear 27, that is, after the screw gear 27 drives the accommodating cavity 12 to reach the left end from the right end, the screw gear 27 stops rotating, and the accommodating cavity 12 does not move leftward any more.

In the fourth embodiment, on the basis of the third embodiment, the accommodating chamber 12 is structured such that the inside of the upper end opening is a cavity, a hook 29 is fixed at the front end of the accommodating chamber 12, the hook 29 is structured such that a plurality of hook blocks 30 with through heights are fixed, and a vertical slider 31 is further fixed in the middle of the front end of the accommodating chamber 12.

In the fifth embodiment, on the basis of the fourth embodiment, the vertical sliding frame 9 is provided with a vertical sliding chute 32 matched with the vertical sliding block 31, two symmetrical vertical sliding rack grooves 33 are arranged on two sides of the vertical sliding slot 32, the upper end of the vertical sliding rack groove 33 is provided with a fixed pulley 34, which can play a role of saving power, a lifting slide block 35 is arranged at the lower end of the vertical slide frame groove 33, a baffle 36 is vertically fixed on the lifting slide block 35, a clamping plate 37 is vertically arranged on the baffle 36, the clamping plate 37 is provided with hook clamping grooves 38 with different depths matched with the hook clamping blocks 30, a winding wheel 39 is installed on the outer side of the vertical sliding frame 9, a lifting ratchet wheel 40 and an upper bevel gear 41 are further coaxially fixed on the winding wheel 39, a lifting pawl 42 is matched on the lifting ratchet wheel 40, a lower bevel gear 43 is matched on the upper bevel gear 41, a lifting gear 44 is coaxially installed on the lower bevel gear 43, and the lifting slide block 35 is connected to the winding wheel 39 through a steel wire rope 78 and bypasses the fixed pulley 34.

When the lifting gear 44 is driven, the lifting gear 44 changes direction through the lower bevel gear 43 and the upper bevel gear 41, so as to drive the lifting ratchet 40 and the rolling wheel 39 to rotate, the rolling wheel 39 pulls the steel wire rope 78 to drive the lifting slider 35 to move upwards around the fixed pulley 34, when the accommodating cavity 12 moves to the left end, the hook clamping block 30 enters the lifting slider 35, the hook clamping block 30 is arranged above the hook clamping groove 38, the vertical slider 31 enters the vertical sliding groove 32, when the lifting slider 35 moves upwards, the hook clamping groove 38 moves upwards, so that the hook clamping groove 38 is slowly matched with the hook clamping block 30 to start driving the accommodating cavity 12 to move upwards, the vertical slider 31 provides a guiding effect for the accommodating cavity 12, and similarly, guide plates can be integrally connected to two sides of the vertical sliding frame 9 to provide a guiding effect for the accommodating cavity 12.

Sixth embodiment, in addition to the fifth embodiment, the lifting gear 44 is engaged with the lifting gear 45, the lifting gear 45 is preferably kept on the same axis as the lead screw gear 27, the switching gear 17 is engaged with the lead screw gear 27 at the initial position, the switching gear 17 is not engaged with the lifting gear 45, and after the switching gear 17 is switched for the first time, the switching gear 17 is slid to be engaged with the lifting gear 45, and the switching gear 17 is disengaged from the lead screw gear 27.

In the initial position, the first gear 24 engages with the lead screw gear 27, so that the lead screw gear 27 drives the accommodating chamber 12 to move from the right end to the left end, when the accommodating chamber 12 touches the guide ring 28, the switching gear 17 is pushed to the left, at this time, the first gear 24 slowly disengages from the lead screw gear 27, the lead screw gear 27 stops rotating, and when the first gear 24 disengages from the lead screw gear 27, the second gear 26 enters the lifting gear 45 and starts to engage with the lifting gear 45 to rotate, thereby driving the lifting gear 44 to rotate.

Seventh embodiment, on the basis of the sixth embodiment, the vertical sliding frame 9 is further provided with a vertical rack groove 46, a vertical rack 47 is slidably disposed in the vertical rack groove 46, a rack return spring is connected to a bottom end of the vertical rack 47, the vertical rack 47 protrudes out of the vertical sliding frame 9, a top block 48 is fixed to a front end of the accommodating chamber 12, the top block 48 can contact the vertical rack 47 when rising, the vertical rack 47 is engaged with a rotating gear 49 embedded in the vertical sliding frame 9, the rotating gear 49 is coaxially connected with a first belt pulley, the first belt pulley is connected with a second belt pulley disposed below the first belt pulley, the second belt pulley is coaxially connected with a conversion gear 51, the conversion gear 51 is engaged with a horizontal rack 50, at this time, the horizontal rack 50 is disposed outside the vertical sliding frame 9 and is disposed horizontally and is on the same horizontal plane as the switching gear 17, an end of the horizontal rack 50 is fixed with a pushing ring 52, the pushing ring 52 can contact the switching gear 17 or the slide shaft 23.

The concrete structure that promotes ring 52 is the big lantern ring with horizontal rack 50 fixed connection, with the little lantern ring of first gear 24 fixed connection, the little lantern ring is embedded in big lantern ring, the guide rail has been seted up in the big lantern ring, be equipped with the guide block on the little lantern ring, the guide block joint is in the guide rail, the guide block is at the guide rail internal rotation, make the little lantern ring at big telescopic internal rotation, but the rotation is not followed to the big lantern ring, and guide ring 28 is in little lantern ring, and extend out, guide ring 28 and little lantern ring and big lantern ring all contactless, the big lantern ring is the flexible lantern ring of segment itself.

When the accommodating cavity 12 moves upwards, the top block 48 contacts the vertical rack 47 to push the vertical rack 47 to move upwards, the vertical rack 47 drives the rotating gear 49 to rotate when moving, the rotating gear 49 drives the first belt pulley to rotate, the first belt pulley drives the second belt pulley to rotate, the second belt pulley drives the switching gear 51 to rotate, the switching gear 51 drives the transverse rack 50 to move leftwards, the switching gear 17 is pushed to move leftwards, when the accommodating cavity 12 continues to move upwards, the vertical rack 47 is separated from the rotating gear 49, the vertical rack 47 continues to move upwards, the rotating gear 49 does not rotate any more, and finally, a space position is reserved at the upper end of the vertical sliding frame 9 for placing the vertical rack 47, namely, the accommodating cavity 12 does not need to reach the topmost end of the vertical sliding frame 9.

In the eighth embodiment, on the basis of the seventh embodiment, a supporting gear 53 is further fixed on one side of the ascending gear 45, the supporting gear 53 is coaxially connected with a left bevel gear 54, the left bevel gear 54 is further vertically meshed with a right bevel gear 55, the right bevel gear 55 is coaxially connected with a pushing gear 56, the pushing gear 56 is meshed with a pushing rack 57, a pushing plate 58 is fixed at an end of the pushing rack 57, a pushing groove 59 is formed in the front end of the upper frame 1, the pushing groove 59 is matched with the pushing plate 58, a thimble sensor 60, namely a contact sensor, is placed in the pushing groove 59, and when the contact sensor is touched, a signal is sent to a driving motor 63 to stop the driving motor 63, a driving gear 61 is meshed with the switching gear 17, the driving gear 61 is always meshed with the switching gear 17, and the driving gear 61 is connected with the.

The driving motor 63 is connected with a power supply which is a storage battery, the storage battery on the transfer trolley is the prior art now, namely the transfer trolley needs to be charged, because the lifting of many transfer trolleys is started by adopting hydraulic drive or air cylinders, the driving motor 63 drives the driving gear 61 to rotate through the driving shaft 62, because the switching gear 17 needs to move left and right, the driving gear 61 is always driven by the switching gear 17, namely the length of the driving gear 61 is larger than that of the switching gear 17, when the switching gear 17 is pushed by the pushing ring 52 to move left, the switching gear 17 is meshed with the supporting gear 53 and the left bevel gear 54 to rotate, the left bevel gear 54 is meshed with the right bevel gear 55 to change direction, the right bevel gear 55 coaxially drives the pushing gear 56 to rotate, the pushing gear 56 drives the pushing rack 57 to move, the pushing plate 58 pushing the rack 57 moves right, the pushing plate 58 is arranged on the, a push groove 59 is formed on the upper frame 1, and the push plate 58 moves into the push groove 59 to contact the thimble sensor 60 and controls the driving motor 63 to stop.

In the above, after the accommodating chamber 12 moves to the upper end of the vertical carriage 9, the vertical rack 47 is disengaged from the rotating gear 49, the switching gear 17 engages with the supporting gear 53, the accommodating chamber 12 reaches the proper position above the vertical carriage 9, i.e. the position of the upper bed frame 1 slightly raised upwards, due to the presence of the lifting pawl 42 on the lifting ratchet 40, the accommodating chamber 12 cannot be reversed, at this time, only the pushing plate 58 needs to be inserted into the pushing groove 59, the position of the pushing plate 58 provides a stable support for the accommodating chamber 12 below the accommodating chamber 12, and the protective shell is installed on the outer side of the whole driving device.

In the ninth embodiment, on the basis of the eighth embodiment, the rising gear 45 is coaxially connected with a one-way wheel 64, the one-way wheel 64 is engaged with a reset gear 65 arranged above the one-way wheel 64, the reset gear 65 is coaxially connected with a first direction bevel gear 66, the first direction bevel gear 66 is engaged with a second direction bevel gear 67, the second direction bevel gear 67 is coaxially connected with a reciprocating gear 68, the reciprocating gear 68 is engaged with a reciprocating rack 69, and the reciprocating rack 69 can contact the switching gear 17 or the sliding shaft 23.

When it is desired to use the housing chamber 12, the housing chamber 12 is moved from the cross carriage 8 to the upper end of the cross carriage 9, i.e.:

the driving motor 63 is started to rotate forwardly, the driving motor 63 drives the driving gear 61 to rotate, the driving gear 61 drives the switching gear 17 to rotate, the first gear 24 in the switching gear 17 drives the screw gear 27 to rotate, the screw gear 27 drives the transverse screw 15 to rotate, so as to drive the accommodating cavity 12 to move from the right end to the left end of the transverse sliding frame 8, when the accommodating cavity 12 moves to the left end of the transverse sliding frame 8, the accommodating cavity 12 touches the guide ring 28, the switching gear 17 is pushed to be separated from the screw gear 27, the switching gear 17 is meshed with the lifting gear 45, the lifting gear 45 coaxially drives the one-way wheel 64 to idle, and is meshed with the lifting gear 44 to rotate, the lifting gear 44 changes direction through the upper bevel gear 41 and the lower bevel gear 43, the lifting ratchet 40 and the winding wheel 39 are driven to rotate, the winding wheel 39 rolls the steel wire rope 78 and drives the lifting slider 35 to move upwards through the fixed pulley 34, and at the moment, because the accommodating cavity 12 is placed on the sliding block 22, the hook clamping groove 38 is slowly matched with the hook clamping block 30 and is slowly driven upwards to move, because of the existence of the guide plate, the vertical sliding block 31 and the vertical sliding groove 32, the accommodating cavity 12 can stably and slowly move upwards, then the top block 48 pushes the vertical rack 47 to move, the vertical rack 47 drives the rotating gear 49 to rotate, the converting gear 51 is driven to rotate along with the transition of the first belt pulley and the second belt pulley, the converting gear 51 drives the transverse rack 50 to move leftwards, in the process, a change gear is needed to change the directions of the rotating gear 49 and the converting gear 51, so as to ensure that the transverse rack 50 moves leftwards, while the change gear is not shown in the figure, the circular ring 52 is pushed to move leftwards to continuously push the converting gear 17, the converting gear 17 drives the supporting gear 53 to rotate, the supporting gear 53 changes the direction through the left bevel gear 54 and the right bevel gear 55, the pushing rack 57 drives the pushing plate 58 to move rightwards, so that the pushing plate 58 is arranged below the accommodating cavity 12, the driving motor 63 is controlled to stop when the pushing plate 58 contacts the thimble sensor 60, the accommodating cavity 12 is transferred to the upper end from the lower end, and the accommodating cavity 12 is internally used for placing equipment such as an oxygen tube, a breathing mask, heartbeats, blood pressure monitoring and the like, and is convenient for a patient to use.

When the housing chamber 12 is not needed, the housing chamber 12 is moved from the upper end of the vertical carriage 9 to the right end of the lateral carriage 8, i.e.:

the lifting pawl 42 is pulled open, the driving motor 63 is started to rotate reversely, the driving motor 63 drives the driving gear 61 to rotate, the driving gear 61 drives the switching gear 17 to rotate, the switching gear 17 drives the supporting gear 53 to rotate, the supporting gear 53 is driven to rotate by the left bevel gear 54 and the right bevel gear 55 in a reversing way, the pushing gear 56 drives the pushing rack 57 and the pushing plate 58 to move leftwards, when the pushing plate 58 leaves the lower part of the accommodating cavity 12, the accommodating cavity 12 moves downwards under the action of gravity, when the accommodating cavity 12 passes through the initial position of the vertical rack 47, the vertical rack 47 returns quickly under the action of the rack return spring, and drives the rotating gear 49, the first belt pulley, the second belt pulley and the conversion gear 51 to rotate reversely, so that the transverse rack 50 moves rightwards, the switching gear 17 is pulled to move rightwards, the lifting gear 45 is driven, and the lifting gear 45 rotates reversely, the one-way wheel 64 is driven to rotate, the one-way wheel 64 drives the reset gear 65 to rotate, the reset gear 65 is driven to rotate by the reciprocating gear 68 after being changed in direction by the first change bevel gear 66 and the second change bevel gear 67, the reciprocating gear 68 drives the reciprocating rack 69 to move rightwards, the reciprocating rack 69 pushes the switching gear 17 rightwards, so that the switching gear 17 is separated from the ascending gear 45 and is meshed with the screw rod gear 27, meanwhile, the lifting gear 44 is reversely rotated, the lifting ratchet 40 and the winding wheel 39 are driven to reversely rotate by the upper bevel gear 41 and the lower bevel gear 43, so that the accommodating cavity 12 descends, and the time control can be obtained through a plurality of tests according to the gear transmission ratio, wherein the switching distance of the switching gear 17, the moving distance of the guide ring 28 and the moving distance of the transverse rack 50 can be selected according to the size of teeth and the transmission ratio, and after the switching gear, the screw gear 27 drives the transverse screw 15 to drive the accommodating cavity 12 to return to the original position, the driving motor 63 is controlled to stop after the contact sensor is touched, the sliding frame 7 is returned to the original position at the moment, and the magnetic sheet 20 and the metal block 21 are separated from each other and return to the original position.

The invention relates to a gear for switching, which is preferably helical, the vertical rack and the pushing plate are not on the same longitudinal line, and the size of the gear is adjusted according to the requirement to realize the effect of rapid or deceleration.

The various rotating shafts, gear structures, one-way wheel structures, bevel gear structures and the like which are related to the invention need to use rotating shafts, bearing seats, mounting plates, bolts, shaft pins and other parts during installation, and are not described in the invention, and the installation methods are all installation methods commonly used by those skilled in the art, and are not described in detail herein.

The invention has the following advantages:

Claims

1. A transfer trolley special for ICU patients comprises an upper bed frame (1), a rail (2), a pushing handle (3), a lower bed frame (4), a lifting support (5) and universal wheels (6), and is characterized in that an L-shaped sliding frame (7) is connected on the lower bed frame (4) in a sliding manner, the L-shaped sliding frame (7) is integrally connected by a transverse sliding frame (8) and a vertical sliding frame (9), the transverse sliding frame (8) is connected on the lower bed frame (4) in a sliding manner, the vertical sliding frame (9) is arranged on the outer side of the lower bed frame (4), a transverse driving device (10) is installed on the transverse sliding frame (8), a lifting driving device (11) is installed on the vertical sliding frame (9), an accommodating cavity (12) is placed on the transverse sliding frame (8) so that the accommodating cavity (12) can move from the right end to the left end of the transverse sliding frame (8) and then automatically lift from the lower end of the vertical sliding frame (, the accommodating cavity (12) can be restored to the original position of the cross sliding frame (8) from the vertical sliding frame (9);

the transverse driving device (10) comprises a transverse sliding frame groove (13) formed in a transverse sliding frame (8), a front guide rod (14), a transverse lead screw (15) and a rear guide rod (16) are sequentially arranged in the transverse sliding frame groove (13), a sliding block (22) is arranged on the front guide rod (14), the transverse lead screw (15) and the rear guide rod (16), a placing groove is formed above the sliding block (22), a containing cavity (12) is placed in the placing groove, one end of the transverse lead screw (15) penetrates through the transverse sliding frame (8), a lead screw gear (27) is arranged at the end of the transverse lead screw (15), a switching gear (17) is meshed with the lead screw gear (17), the width of the switching gear (17) is larger than that of the lead screw gear (27), transverse clamping blocks (18) are integrally connected to two sides of the end of the transverse sliding frame (8), and transverse clamping grooves (19) matched with the transverse clamping, a magnetic sheet (20) is arranged in the transverse clamping groove (19), and a metal block (21) is fixed on the transverse clamping block (18);

the switching gear (17) is mounted on a sliding shaft (23), the switching gear (17) can slide on the sliding shaft (23), the switching gear (17) comprises a first gear (24), a connecting wheel (25) and a second gear (26), the first gear (24), the connecting wheel (25) and the second gear (26) are sequentially and integrally connected, in the initial position, the first gear (24) is meshed with a screw rod gear (27), and a guide ring (28) penetrating through a vertical sliding frame (9) is mounted on the switching gear (17);

the lifting mechanism is characterized in that a vertical sliding groove (32) matched with a vertical sliding block (31) is formed in the vertical sliding frame (9), symmetrical vertical sliding frame grooves (33) are formed in two sides of the vertical sliding groove (32), a fixed pulley (34) is installed at the upper end of each vertical sliding frame groove (33), a lifting sliding block (35) is installed at the lower end of each vertical sliding frame groove (33), a baffle (36) is vertically fixed on each lifting sliding block (35), a clamping plate (37) is vertically installed on each baffle (36), hook clamping grooves (38) of different depths matched with the hook clamping blocks (30) are formed in each clamping plate (37), a rolling wheel (39) is installed on the outer side of the vertical sliding frame (9), a lifting ratchet wheel (40) and an upper bevel gear (41) are coaxially fixed on the rolling wheel (39), a lifting pawl (42) is matched on the lifting ratchet wheel (40), a lower bevel gear (43) is matched with the upper bevel gear (41), and a, the lifting slide block (35) rounds the fixed pulley (34) through a steel wire rope (78) and is connected with a winding wheel (39);

the lifting gear (44) is meshed with a lifting gear (45), the lifting gear (45) and the lead screw gear (27) are arranged on the same horizontal plane, when the lifting gear is at an initial position, the switching gear (17) is meshed with the lead screw gear (27), the switching gear (17) is not meshed with the lifting gear (45), after the switching gear (17) is switched for the first time, the switching gear slides to be meshed with the lifting gear (45), and the switching gear (17) is separated from the lead screw gear (27);

a vertical rack groove (46) is formed in the vertical sliding frame (9), a vertical rack (47) is arranged in the vertical rack groove (46) in a sliding manner, the front end of the accommodating cavity (12) is fixedly provided with a top block (48), the top block (48) can contact with the vertical rack (47), the vertical rack (47) is driven to move upwards, the vertical rack (47) is meshed with a rotating gear (49) embedded in a vertical sliding frame (9), the rotating gear (49) is coaxially connected with a first belt pulley, the belt of the first belt pulley is connected with a second belt pulley arranged below the first belt pulley, the second belt pulley is coaxially connected with a conversion gear (51), the conversion gear (51) is meshed with a transverse rack (50) arranged on the outer side of the vertical sliding frame (9), the end of the transverse rack (50) is fixedly provided with a pushing circular ring (52), and the end of the pushing circular ring (52) is in contact with a switching gear (17);

a supporting gear (53) is further fixed on one side of the lifting gear (45), the supporting gear (53) is coaxially connected with a left bevel gear (54), the left bevel gear (54) is vertically meshed with a right bevel gear (55), the right bevel gear (55) is coaxially connected with a pushing gear (56), the pushing gear (56) is meshed with a pushing rack (57), a pushing plate (58) is fixed at the end of the pushing rack (57), a push groove (59) matched with the push plate (58) is arranged at the front end of the upper bedstead (1), a thimble sensor (60) is arranged in the push groove (59), the switching gear (17) is meshed with a driving gear (61), the driving gear (61) is always meshed with the switching gear (17), the driving gear (61) is connected with a driving motor (63) through a driving shaft (62), and the thimble sensor (60) controls the driving motor (63) to stop working;

the lifting gear (45) is coaxially connected with a one-way wheel (64), a reset gear (65) is meshed above the one-way wheel (64), the reset gear (65) is coaxially connected with a first direction bevel gear (66), the first direction bevel gear (66) is meshed with a second direction bevel gear (67), the second direction bevel gear (67) is coaxially connected with a reciprocating gear (68), and the reciprocating gear (68) is meshed with a reciprocating rack (69).

2. The ICU patient transfer trolley according to claim 1, wherein the upper opening of the accommodating cavity (12) is a cavity, the front end of the accommodating cavity (12) is fixed with a hook (29), the hook (29) is structured as a plurality of hook blocks (30) with different heights, and the middle of the front end of the accommodating cavity (12) is fixed with a vertical sliding block (31).