CN114028126B - Lifting nursing trolley for breast surgery department - Google Patents

Abstract

The invention relates to a lifting nursing trolley, in particular to a lifting nursing trolley for a breast surgery department. The lifting nursing trolley is convenient for people to adjust, meets the actual demands of users, and can be used in the department of breast surgery, and can be moved in a time-saving and labor-saving manner. Lifting nursing shallow for breast surgery department, including: the pushing frame is provided with a storage box; the trolley handrail is arranged on the trolley frame; the lifting armrests are symmetrically arranged on the trolley frame; the lifting mechanism is arranged on the trolley frame and used for adjusting the height; and the driving mechanism is arranged on the lifting mechanism and used for moving. According to the lifting nursing trolley, through the functions of the lifting mechanism and the driving mechanism, people can conveniently adjust the height and move the lifting nursing trolley, so that the lifting nursing trolley is convenient for people to adjust, the actual demands of users are met, and the lifting nursing trolley can be moved in a time-saving and labor-saving manner.

Description

Lifting nursing trolley for breast surgery department

Technical Field

The invention relates to a lifting nursing trolley, in particular to a lifting nursing trolley for a breast surgery department.

Background

Medical care carts are indispensable medical equipment for the hospital care department. At present, most nursing trolleys used in hospitals are fixed and single in structure, cannot be adjusted, are difficult to meet actual demands of users, are provided with a large number of medicines or instruments for a long time, and are too heavy in weight, time and labor are wasted in moving, and working difficulty of medical staff is greatly increased.

We design a but make things convenient for people to adjust, satisfy user's actual demand, and make labour saving and time saving remove mammary gland surgery department with lifting nursing shallow to solve prior art problem.

Disclosure of Invention

In order to overcome the actual demands of users, and the nursing cart is too heavy, the movement is time-consuming and labor-consuming, the working difficulty of medical staff is greatly increased, and the technical problem to be solved is that: the liftable nursing cart is convenient for people to adjust, meets the actual demands of users, and can be used for a breast surgery department to move in a time-saving and labor-saving manner.

The technical proposal is as follows: lifting nursing shallow for breast surgery department, including: the pushing frame is provided with a storage box; the trolley handrail is arranged on the trolley frame; the lifting armrests are symmetrically arranged on the trolley frame; the lifting mechanism is arranged on the trolley frame and used for adjusting the height; and the driving mechanism is arranged on the lifting mechanism and used for moving.

Further described, the lifting mechanism comprises: the lifting base is slidably arranged on the pushing frame; the support columns are arranged on the lifting base at intervals and are in sliding fit with the cart frame; the lifting push rod is arranged on the lifting base and is fixedly connected with the cart frame; the positioning upright posts are arranged on the lifting base in a sliding mode at intervals; the buffer pulley is slidably arranged on the positioning upright post; the auxiliary supporting wheels are symmetrically and rotatably arranged on the lifting base; the lifting button is arranged on the trolley handrail; the descending button is arranged on the trolley handrail.

Further described, the driving mechanism comprises: the servo motor is arranged on the lifting base; the driving shaft is arranged on an output shaft of the servo motor; the transmission short shaft is rotatably arranged on the lifting base; a first bevel gear assembly mounted between the drive shaft and the drive stub shaft; the driving roller is rotatably arranged on the lifting base; the first transmission assembly is arranged between the driving roller and the transmission short shaft; the forward button is arranged on the trolley handrail; the back button is arranged on the trolley handrail.

Further, the steering mechanism comprises: the vertical transmission shaft is rotatably arranged on the pushing frame; the movable holding sleeve is symmetrically and rotatably arranged on the trolley handrail; the second bevel gear assembly is arranged between the movable holding sleeves at two sides and the vertical transmission shaft; the telescopic rotating shaft is rotatably arranged between the pushing frame and the lifting base; the second transmission assembly is arranged between the telescopic rotating shaft and the vertical transmission shaft; and the steering wheel disc is rotatably arranged on the telescopic rotating shaft.

Further described, the climbing device also comprises a climbing mechanism, wherein the climbing mechanism comprises: the telescopic push rod is arranged on the push frame; the installation baffle is symmetrically hinged on the lifting base; the support spring is arranged between the mounting baffle and the cart frame; the transmission cross shafts are rotatably arranged on the mounting baffle at intervals; the transmission crawler belt is arranged among the three transmission cross shafts; the linkage cross rod is arranged between the inner ends of the transmission cross shafts at two sides of one of the linkage cross rods; the reversing bevel gear is rotatably arranged on the lifting base and meshed with the first bevel gear assembly; the worm is symmetrically and rotatably arranged on the lifting base; the third transmission assembly is arranged between the worm on two sides and the reversing bevel gear; the worm wheel is symmetrically and rotatably arranged on the lifting base and is meshed with the worm; the driving gear is symmetrically and rotatably arranged on the lifting base; the fourth transmission assembly is arranged between the driving gear and the worm wheel; the meshing transmission gear is symmetrically and rotatably arranged on the pushing frame and is matched with the driving gear; the fifth transmission assembly is arranged between the meshing transmission gear and the middle transmission transverse shaft; the swinging heavy hammer is hinged to the lifting base; the first pressure sensor is arranged on the lifting base, and the swinging heavy hammer is matched with the first pressure sensor; the second pressure sensor is arranged on the lifting base, and the swinging heavy hammer is matched with the second pressure sensor; the protection cover is symmetrically arranged on the trolley frame, and the telescopic push rod is positioned in one of the protection covers.

Further, the anti-collision device comprises an anti-collision mechanism, wherein the anti-collision mechanism comprises: the first fixed racks are arranged on the cart frame at intervals in an embedded mode; the positioning guide posts are arranged on the cart frame at intervals and are in sliding fit with the positioning upright posts; the buffer spring is arranged between the positioning guide posts and the positioning upright posts; the second fixed rack is arranged on the positioning upright post; the reversing gear is rotatably arranged on the trolley frame at intervals and meshed with the first fixed rack, and the reversing gear is meshed with the second fixed rack.

Further, the device also comprises a liquid storage mechanism, wherein the liquid storage mechanism comprises: the liquid storage cavity is arranged on the pushing frame; the liquid guide pipe is arranged on the pushing frame and communicated with the pushing frame, and penetrates through the liquid storage cavity to be communicated with the pushing frame; the spring guide posts are symmetrically and slidably arranged on the liquid storage cavity; the sealing cover plate is arranged between the two spring guide posts.

The electric control box is embedded on one side of the cart frame, the electric control box comprises a switching power supply, a power supply module and a control module, the switching power supply supplies power to the whole equipment, the power supply module is connected with a main power supply switch through a circuit, the control module is electrically connected with the power supply module, and the control module is connected with a DS1302 clock circuit and a 24C02 circuit; the forward button, the backward button, the ascending button, the descending button, the first pressure sensor and the second pressure sensor are all electrically connected with the control module; the lifting push rod, the servo motor and the telescopic push rod are all connected with the control module through peripheral circuits.

The invention has the following advantages:

1. according to the lifting nursing trolley, through the functions of the lifting mechanism and the driving mechanism, people can conveniently adjust the height and move the lifting nursing trolley, so that the lifting nursing trolley is convenient for people to adjust, the actual demands of users are met, and the lifting nursing trolley can be moved in a time-saving and labor-saving manner.

2. According to the invention, through the action of the climbing mechanism, the transmission crawler belt is in an inclined state and is in contact with the stairs, so that the transmission crawler belt reverses to go up and down the stairs, and people can conveniently go up and down the stairs.

3. According to the invention, the buffer pulley can move upwards under the action of the anti-collision mechanism, so that the buffer pulley can be prevented from colliding with steps when going up and down stairs.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of a first part of a lifting mechanism according to the present invention.

Fig. 3 is a schematic perspective view of a second part of the lifting mechanism of the present invention.

Fig. 4 is a schematic perspective view of a first part of the driving mechanism of the present invention.

Fig. 5 is a schematic perspective view of a second part of the driving mechanism of the present invention.

Fig. 6 is a schematic perspective view of a first part of the steering mechanism of the present invention.

Fig. 7 is a schematic view of a second partial perspective of the steering mechanism of the present invention.

Fig. 8 is a schematic perspective view of a first portion of the climbing mechanism of the present invention.

Fig. 9 is a schematic perspective view of a second portion of the climbing mechanism of the present invention.

Fig. 10 is an enlarged schematic view of the portion a of the present invention.

Fig. 11 is a schematic perspective view of a third portion of the climbing mechanism of the present invention.

Fig. 12 is a schematic view of a part of a perspective structure of an anti-collision mechanism of the present invention.

FIG. 13 is an enlarged schematic view of section B of the present invention.

Fig. 14 is a schematic perspective view of a first portion of a liquid storage mechanism according to the present invention.

Fig. 15 is a schematic perspective view of a second portion of the liquid storage mechanism of the present invention.

FIG. 16 is an enlarged schematic view of section C of the present invention.

Fig. 17 is a circuit block diagram of the present invention.

Fig. 18 is a schematic circuit diagram of the present invention.

The marks of the components in the drawings are as follows: 1. a pushing frame, 2, a storage box, 3, a pushing car handrail, 4, a lifting handrail, 5, an electric cabinet, 6, a lifting mechanism, 61, a lifting base, 62, a supporting column, 63, a lifting push rod, 64, a positioning upright post, 65, a buffer pulley, 66, an auxiliary supporting wheel, 67, a lifting button, 68, a descending button, 7, a driving mechanism, 71, a servo motor, 72, a driving shaft, 73, a first bevel gear component, 74, a first transmission component, 75, a driving roller, 76, a forward button, 77, a backward button, 78, a transmission short shaft, 8, a steering mechanism, 81, a movable holding sleeve, 82, a second bevel gear set piece, 83, a vertical transmission shaft, 84, a second transmission component, 85, a telescopic rotation shaft, 86, a steering wheel disc, 9 and a climbing mechanism, 91, telescopic push rod, 92, mounting baffle, 93, supporting spring, 94, driving track, 95, driving cross shaft, 96, linkage cross rod, 97, reversing bevel gear, 98, third transmission component, 99, worm, 910, fourth transmission component, 911, driving gear, 912, meshing transmission gear, 913, fifth transmission component, 914, swinging weight, 915, first pressure sensor, 916, second pressure sensor, 917, protection cover, 918, worm gear, 10, anti-collision mechanism, 101, first fixed rack, 102, positioning guide post, 103, buffer spring, 104, second fixed rack, 105, reversing gear, 11, liquid storage mechanism, 111, liquid storage cavity, 112, catheter, 113, spring guide post, 114, sealing cover plate.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings.

Example 1

The utility model provides a but nursing shallow of lifting for department of breast surgery, as shown in fig. 1-5, including pushing away frame 1, storage tank 2, shallow handrail 3, lift handrail 4, elevating system 6 and actuating mechanism 7, pushing away frame 1 lateral surface upper portion rigid coupling has storage tank 2, pushing away frame 1 right part upside is equipped with shallow handrail 3, pushing away frame 1 upper portion front and back both sides rigid coupling has lift handrail 4, is equipped with elevating system 6 on pushing away frame 1, is equipped with actuating mechanism 7 on the elevating system 6.

The lifting mechanism 6 comprises a lifting base 61, a supporting column 62, a lifting push rod 63, a positioning upright column 64, a buffer pulley 65, an auxiliary supporting wheel 66, a lifting button 67 and a descending button 68, wherein the lifting base 61 is sleeved with the trolley frame 1 in a sliding mode, the supporting column 62 is arranged on the lifting base 61 at intervals, the supporting column 62 is in sliding fit with the trolley frame 1, the lifting push rod 63 is arranged on the upper portion of the lifting base 61, the lifting push rod 63 is fixedly connected with the trolley frame 1, the positioning upright column 64 is arranged on the trolley frame 1 at intervals, the buffer pulley 65 is rotatably arranged on the lower portion of the positioning upright column 64, the auxiliary supporting wheel 66 is symmetrically arranged on the left side of the lower portion of the lifting base 61 in a front-back mode, the lifting button 67 is arranged on the right side of the rear portion of the trolley handrail 3, the descending button 68 is arranged on the right side of the rear portion of the trolley handrail 3, and the descending button 68 is located below the lifting button 67.

The driving mechanism 7 comprises a servo motor 71, a driving shaft 72, a first bevel gear assembly 73, a first transmission assembly 74, a driving roller 75, a forward button 76, a backward button 77 and a transmission short shaft 78, wherein the servo motor 71 is arranged in the middle of the left part in the lifting base 61, the driving shaft 72 is connected to the output shaft of the servo motor 71, the transmission short shaft 78 is rotatably arranged on the rear side of the left part in the lifting base 61, the first bevel gear assembly 73 is arranged between the upper circumference of the driving shaft 72 and the front circumference of the transmission short shaft 78, the driving roller 75 is rotatably arranged on the left side of the bottom of the lifting base 61, the first transmission assembly 74 is connected between the rear circumference of the driving roller 75 and the rear circumference of the transmission short shaft 78, the forward button 76 is arranged on the right side of the front part of the trolley handrail 3, and the backward button 77 is arranged on the right side of the front part of the trolley handrail 3.

The user presses the main switch of the power supply to electrify the liftable nursing cart, the user can place a proper amount of articles in the storage box 2, sundries or garbage can be thrown into the cart frame 1, if the height of the cart frame 1 needs to be adjusted upwards, the user presses the lifting button 67, the lifting button 67 sends out a signal, the control module receives the signal and then controls the lifting push rod 63 to stretch, the lifting push rod 63 drives the cart frame 1 to move upwards, the support column 62 plays a guiding role, when the cart frame 1 moves upwards to a proper position, the lifting button 67 is released, the lifting button 67 sends out a signal again, the control module receives the signal and then controls the lifting push rod 63 to stop, and similarly, if the height of the cart frame 1 needs to be adjusted downwards, the user presses the descending button 68, the control module receives the signal and then controls the lifting push rod 63 to shrink, and when the lifting push rod 63 drives the cart frame 1 to move downwards to a proper position, releasing the down button 68, the down button 68 sending out a signal again, the control module receiving the signal controlling the lifting push rod 63 to stop, if the lifting nursing cart needs to be moved forward, people holding the cart handrail 3, pressing the forward button 76, the forward button 76 sending out a signal, the control module receiving the signal controlling the servo motor 71 to reverse, the servo motor 71 to reverse driving the driving shaft 72 to reverse, the driving shaft 72 to reverse driving short shaft 78 through the first bevel gear assembly 73, the driving short shaft 78 to reverse driving the first driving assembly 74 to reverse, the first driving assembly 74 to reverse driving the driving roller 75 to reverse, the driving roller 75 to reverse driving the lifting nursing cart to move left, the buffer pulley 65 and the auxiliary supporting wheel 66 playing an auxiliary guiding role, when the lifting nursing cart moves forward to a proper position, the forward button 76 is released, the forward button 76 sends out a signal, the control module receives the signal and then controls the servo motor 71 to stop, the driving shaft 72 stops driving the transmission short shaft 78 to rotate reversely through the first bevel gear assembly 73, the driving roller 75 rotates reversely, similarly, when the lifting nursing cart needs to be moved backwards, the backward button 77 is pressed, the backward button 77 sends out a signal, the control module receives the signal and then controls the servo motor 71 to rotate forwards, the driving roller 75 rotates forwards and drives the lifting nursing cart to move rightwards, the lifting nursing cart moves backwards to a proper position, the backward button 77 is released, the control module receives the signal and then controls the servo motor 71 to stop.

Example 2

On the basis of embodiment 1, as shown in fig. 6-11, the device further comprises a steering mechanism 8, the steering mechanism 8 comprises a movable holding sleeve 81, a second bevel gear assembly 82, a vertical transmission shaft 83, a second transmission assembly 84, a telescopic rotation shaft 85 and a steering wheel disc 86, the upper part of the outer side face of the push frame 1 is rotatably provided with the vertical transmission shaft 83, the movable holding sleeve 81 is rotatably arranged on the front side and the rear side of the push frame 3 in a symmetrical mode in the circumferential direction, the second bevel gear assembly 82 is connected between the inner side circumference of the movable holding sleeve 81 on the front side and the rear side and the upper circumference of the vertical transmission shaft 83, the telescopic rotation shaft 85 is rotatably arranged between the right part of the push frame 1 and the right part of the lifting base 61, the second transmission assembly 84 is connected between the upper circumference of the telescopic rotation shaft 85 and the lower circumference of the vertical transmission shaft 83, and the steering wheel disc 86 is rotatably arranged on the lower part of the telescopic rotation shaft 85.

The climbing mechanism 9 comprises a telescopic push rod 91, a mounting baffle 92, a supporting spring 93, a transmission crawler 94, a transmission cross shaft 95, a linkage cross shaft 96, a reversing bevel gear 97, a third transmission component 98, a worm 99, a fourth transmission component 910, a driving gear 911, a meshing transmission gear 912, a fifth transmission component 913, a swinging weight 914, a first pressure sensor 915, a second pressure sensor 916, a protective cover 917 and a worm wheel 918, wherein the telescopic push rod 91 is fixedly connected to the left side of the lower part of the outer front side surface of the push frame 1, the mounting baffle 92 is rotatably arranged on the front side and the rear side of the left part of the lifting base 61, the supporting spring 93 is arranged between the upper side of the right part of the mounting baffle 92 and the right part of the outer side surface of the push frame 1, three transmission cross shafts 95 are rotatably arranged on the mounting baffle 92 at intervals, the transmission crawler 94 is wound between the three transmission cross shafts 95, a linkage cross rod 96 is arranged between the inner ends of the transmission cross shafts 95 at the leftmost front and rear sides, a reversing bevel gear 97 is rotatably arranged at the rear side of the left part in the lifting base 61, the reversing bevel gear 97 is meshed with the first bevel gear assembly 73, a worm 99 is rotatably arranged at the front and rear sides of the lower part in the lifting base 61, a third transmission assembly 98 is connected between the circumference of the left part of the worm 99 at the front and rear sides and the right part of the reversing bevel gear 97, a worm wheel 918 is rotatably arranged in the middle of the front and rear sides of the lower part in the lifting base 61, the worm wheel 918 is meshed with the worm 99, a driving gear 911 is rotatably arranged at the left part of the front and rear sides of the lower part in the lifting base 61, a fourth transmission assembly 910 is connected between the circumference of the inner side of the driving gear 911 and the circumference of the inner side of the worm wheel 918, a meshing transmission gear 912 is rotatably arranged at the lower side of the left part of the front and rear sides of the trolley frame 1, the meshing transmission gear 912 is matched with the driving gear 911, a fifth transmission component 913 is connected between the circumference of the outer side of the meshing transmission gear 912 and the circumference of the inner side of the middle transmission transverse shaft 95, a swinging heavy hammer 914 is hinged in the middle of the bottom of the lifting base 61, a first pressure sensor 915 is arranged in the middle of the bottom of the lifting base 61, the swinging heavy hammer 914 is matched with the first pressure sensor 915, a second pressure sensor 916 is arranged in the middle of the bottom of the lifting base 61, the swinging heavy hammer 914 is matched with the second pressure sensor 916, protection covers 917 are fixedly connected to the left sides of the lower parts of the front side and the rear side of the push frame 1, and the telescopic push rod 91 is positioned in the front protection cover 917.

After the liftable nursing cart is electrified, people hold the cart handrail 3, the forward button 76 is pressed, the forward button 76 sends out a signal, the control module receives the signal and then controls the servo motor 71 to rotate reversely, the driving roller 75 rotates reversely to drive the liftable nursing cart to move forwards, if the liftable nursing cart needs to rotate leftwards simultaneously, the movable holding sleeve 81 rotates outwards to drive the vertical transmission shaft 83 to rotate reversely through the second bevel gear assembly 82, the vertical transmission shaft 83 rotates reversely to drive the second transmission assembly 84 to rotate reversely, the second transmission assembly 84 rotates reversely to drive the telescopic rotating shaft 85 to rotate reversely, the telescopic rotating shaft 85 rotates reversely to drive the steering wheel disc 86 to swing forwards, the liftable nursing cart rotates leftwards, the steering wheel disc 86 rotates inwards to reset after the liftable nursing cart rotates leftwards, and similarly, when the liftable nursing cart needs to rotate rightwards simultaneously, the movable holding sleeve 81 rotates inwards to enable the steering wheel disc 86 to swing rightwards, then the movable holding sleeve 81 rotates outwards to reset, when the liftable nursing cart moves to a proper position, the forward button 76 stops, and the servo motor is controlled to rotate forwards, and the signal is controlled to stop after the movable nursing cart moves forwards.

When the liftable nursing cart needs to go upstairs, the descending button 68 is pressed firstly, the descending button 68 sends out a signal, the control module receives the signal and then controls the lifting push rod 63 to shrink, the lifting push rod 63 drives the cart frame 1 to move downwards, the cart frame 1 moves downwards and drives the meshing transmission gear 912 to move downwards, the meshing transmission gear 912 moves downwards to mesh with the driving gear 911, the descending button 68 is loosened, the descending button 68 sends out a signal again, the control module receives the signal and then controls the lifting push rod 63 to stop, then the liftable nursing cart swings rightwards to be in an inclined state through the cart handrail 3, the supporting spring 93 plays a buffering role, the swinging weight 914 swings rightwards to be in contact with the second pressure sensor 916 due to the gravity, the second pressure sensor 916 sends out a signal, the control module receives the signal and then controls the telescopic push rod 91 to shrink for 2 seconds, the telescopic push rod 91 contracts to drive the front installation baffle 92 to swing upwards, the front installation baffle 92 swings upwards to enable the rear installation baffle 92 to swing upwards through the linkage cross rod 96, the installation baffle 92 swings upwards to enable the transmission crawler 94 to be in inclined state and contact with stairs, after 2 seconds, the control module controls the telescopic push rod 91 to be closed, meanwhile, people hold the trolley handrail 3 and press the forward button 76, the forward button 76 sends out signals, the control module receives the signals to control the servo motor 71 to reversely rotate, the driving shaft 72 drives the reversing bevel gear 97 to reversely rotate through the first bevel gear assembly 73, the reversing bevel gear 97 reversely rotates to drive the third transmission assembly 98 to reversely rotate, the third transmission assembly 98 reversely rotates to drive the worm 99 reversely, the worm 99 reversely rotates to drive the worm wheel 918 to positively rotate, the worm wheel 918 positively rotates to drive the fourth transmission assembly 910 to positively rotate, the fourth transmission assembly 910 positively rotates to drive the driving gear 911 to positively rotate, the driving gear 911 positively rotates to drive the meshing transmission gear 912 to reversely rotate, the meshing transmission gear 912 reversely rotates to drive the fifth transmission assembly 913 to reversely rotate, the fifth transmission assembly 913 reversely rotates to drive the middle-most transmission transverse shaft 95 to reversely rotate, the middle-most transmission transverse shaft 95 reversely rotates to cooperate with the rest transmission transverse shaft 95 to drive the transmission track 94 to reversely rotate, so that people can conveniently go upstairs, after the upstairs is completed, the forward button 76 is loosened, the forward button 76 sends out a signal, the control module receives the signal to control the servo motor 71 to stop, the transmission track 94 stops reversely rotating, the liftable nursing trolley is swung rightly through the trolley handrail 3, the swinging weight 914 swings leftwards to be separated from the second pressure sensor 916, the control module receives the signal to control the telescopic push rod 91 to stretch for 2 seconds, the telescopic push rod 91 is contracted to drive the installation baffle 92 to swing downwards to reset, the transmission track 94 is also in a horizontal straight state, and similarly, when the liftable nursing trolley needs to descend the stairs, the trolley handrail 3 enables the liftable nursing trolley to swing leftwards to be in an inclined state, the swinging weight 914 swings leftwards to be in contact with the first pressure sensor 915 due to the action of gravity, the first pressure sensor 915 sends out a signal, the control module receives the signal and then controls the telescopic push rod 91 to extend for 2 seconds, the telescopic push rod 91 extends to drive the installation baffle 92 to swing downwards, the installation baffle 92 swings downwards to enable the transmission track 94 to be in an inclined state to be in contact with the stairs, the control module controls the telescopic push rod 91 to be closed, then presses the forward button 76, the forward button 76 sends out a signal, the control module receives the signal and then controls the servo motor 71 to reversely rotate, so that the stairs descending is performed, after the stairs descending is completed, the forward button 76 is released, the forward button 76 sends out a signal, after receiving the signal, the control module controls the servo motor 71 to stop, the lifting nursing trolley is righted through the trolley handrail 3, the swinging weight 914 swings leftwards and is separated from the first pressure sensor 915, the first pressure sensor 915 sends out a signal, after receiving the signal, the control module controls the telescopic push rod 91 to shrink for 2 seconds, and the telescopic push rod 91 drives the installation baffle 92 to swing upwards and reset, so that people can conveniently go up and down stairs.

Example 3

Based on embodiment 1 and embodiment 2, as shown in fig. 12-16, the anti-collision device further comprises an anti-collision mechanism 10, wherein the anti-collision mechanism 10 comprises a first fixed rack 101, a positioning guide post 102, a buffer spring 103, a second fixed rack 104 and a reversing gear 105, the first fixed rack 101 is embedded in the inner lower portion of the cart frame 1 at intervals, the positioning guide post 102 is arranged in the inner top portion of the cart frame 1 at intervals, the positioning guide post 102 is in sliding fit with the positioning upright post 64, the buffer spring 103 is arranged between the bottom end of the positioning guide post 102 and the inside of the positioning upright post 64, the second fixed rack 104 is arranged on the outer side surface of the positioning upright post 64, the reversing gear 105 is rotatably arranged in the inner lower portion of the cart frame 1 at intervals, the reversing gear 105 is meshed with the first fixed rack 101, and the reversing gear 105 is meshed with the second fixed rack 104.

The novel cart is characterized by further comprising a liquid storage mechanism 11, wherein the liquid storage mechanism 11 comprises a liquid storage cavity 111, a liquid guide tube 112, a spring guide column 113 and a sealing cover plate 114, the liquid storage cavity 111 is slidably arranged at the rear part in the cart frame 1, the liquid guide tube 112 is arranged at the middle part in the cart frame 1 and is communicated with the middle part, the liquid guide tube 112 penetrates through the liquid storage cavity 111 to be communicated with the liquid storage cavity, the spring guide column 113 is symmetrically arranged at the front part in the liquid storage cavity 111 in a vertically sliding mode, and the sealing cover plate 114 is arranged between the spring guide columns 113 at the upper side and the lower side.

When people go up and down stairs, the descending button 68 is pressed, the descending button 68 sends out signals, the control module receives the signals and then controls the lifting push rod 63 to retract, the lifting push rod 63 drives the trolley frame 1 to move downwards, the trolley frame 1 also drives the first fixed rack 101 to move downwards, the first fixed rack 101 moves downwards to drive the reversing gear 105 to rotate outwards, the reversing gear 105 rotates outwards to drive the second fixed rack 104 to move upwards, the second fixed rack 104 moves upwards to drive the positioning upright post 64 to move upwards, the positioning upright post 102 plays a guiding role, the buffer spring 103 is compressed, the positioning upright post 64 moves upwards to drive the buffer pulley 65 to move upwards, the descending button 68 is loosened, the descending button 68 sends out signals again, the control module receives signals and then controls the lifting push rod 63 to stop, the buffer pulley 65 stops moving upwards, when the ascending push rod 67 is not needed, the control module receives signals and then controls the lifting push rod 63 to stretch, the trolley frame 1 moves upwards, the positioning upright post 64 also drives the buffer pulley 65 to move downwards to reset, the buffer pulley 103 is stretched, the buffer pulley 103 is released and the ascending push rod 67 stops receiving signals, and the lifting push rod 67 is controlled to stop moving upwards. Thus, the buffer pulley 65 can be prevented from colliding with the steps when going up and down stairs.

Initially, the spring guide post 113 is in a stretched state, when the waste liquid is poured into the cart frame 1, the waste liquid flows into the liquid storage cavity 111 through the liquid guide tube 112, after a proper amount of waste liquid is filled in the liquid storage cavity 111, the liquid storage cavity 111 is taken out to carry out subsequent treatment on the waste liquid, the liquid guide tube 112 is separated from the sealing cover plate 114, the sealing cover plate 114 moves forwards to limit the liquid storage cavity 111 due to the action of the spring guide post 113, after the treatment of the waste liquid in the liquid storage cavity 111 is finished, the liquid storage cavity 111 is put back onto the cart frame 1, the liquid guide tube 112 is communicated with the liquid storage cavity 111, the liquid guide tube 112 enables the sealing cover plate 114 to move backwards to stop limiting the liquid storage cavity 111, and the spring guide post 113 is stretched, so that people can conveniently collect the waste liquid.

As shown in fig. 1, 17 and 18, the device further comprises an electric cabinet 5, the electric cabinet 5 is embedded and installed on the upper side of the front part of the cart frame 1, the electric cabinet 5 comprises a switching power supply, a power supply module and a control module, the switching power supply supplies power to the whole device, the power supply module is connected with a main power supply switch through a circuit, the control module is electrically connected with the power supply module, and the control module is connected with a DS1302 clock circuit and a 24C02 circuit; the forward button 76, the back button 77, the up button 67, the down button 68, the first pressure sensor 915 and the second pressure sensor 916 are all electrically connected to the control module; the lifting push rod 63, the servo motor 71 and the telescopic push rod 91 are all connected with the control module through peripheral circuits.

It is to be understood that the above description is intended to be illustrative only and is not intended to be limiting. Those skilled in the art will appreciate variations of the present invention that are intended to be included within the scope of the claims herein.

Claims (4)

1. Lifting nursing shallow is used in mammary gland surgery department, characterized by including:

a cart frame (1), wherein a storage box (2) is arranged on the cart frame (1);

the trolley handrail (3), the trolley handrail (3) is installed on the trolley frame (1);

the lifting handrails (4) are symmetrically arranged on the trolley frame (1);

the lifting mechanism (6) is arranged on the trolley frame (1) and is used for adjusting the height;

a driving mechanism (7) which is arranged on the lifting mechanism (6) and is used for moving;

the lifting mechanism (6) comprises:

the lifting base (61), the lifting base (61) is installed on the pushing frame (1) in a sliding manner; the support columns (62) are arranged on the lifting base (61) at intervals, and the support columns (62) are in sliding fit with the cart frame (1);

the lifting push rod (63), the lifting push rod (63) is arranged on the lifting base (61), and the lifting push rod (63) is fixedly connected with the cart frame (1);

the positioning upright posts (64) are arranged on the lifting base (61) in a sliding mode at intervals;

the buffer pulley (65), the buffer pulley (65) is installed on the positioning upright post (64) in a sliding mode; the auxiliary supporting wheels (66), the auxiliary supporting wheels (66) are symmetrically and rotatably arranged on the lifting base (61);

a lifting button (67), wherein the lifting button (67) is arranged on the trolley handrail (3);

a lowering button (68), the lowering button (68) being mounted on the trolley armrest (3);

the driving mechanism (7) comprises:

a servo motor (71), wherein the servo motor (71) is arranged on the lifting base (61);

a drive shaft (72), the drive shaft (72) being mounted on the output shaft of the servo motor (71);

the transmission short shaft (78), the transmission short shaft (78) is rotatably arranged on the lifting base (61); a first bevel gear assembly (73), the first bevel gear assembly (73) being mounted between the drive shaft (72) and the drive stub shaft (78);

the driving roller (75), the driving roller (75) is rotatably installed on the lifting base (61); a first transmission assembly (74), the first transmission assembly (74) being mounted between the drive roller (75) and the transmission stub shaft (78);

an advance button (76), the advance button (76) being mounted on the trolley armrest (3);

a back button (77), the back button (77) being mounted on the trolley handrail (3);

the climbing device also comprises a climbing mechanism (9), wherein the climbing mechanism (9) comprises:

a telescopic push rod (91), wherein the telescopic push rod (91) is arranged on the push frame (1);

the installation baffle (92) is symmetrically hinged on the lifting base (61);

the supporting spring (93), the supporting spring (93) is installed between the mounting baffle plate (92) and the cart frame (1);

the transmission cross shafts (95) are rotatably arranged on the mounting baffle plates (92) at intervals;

the transmission crawler belt (94), the transmission crawler belt (94) is installed among three transmission cross shafts (95); the linkage cross rod (96), the linkage cross rod (96) is installed between the inner ends of the transmission cross shafts (95) on two sides of one side;

the reversing bevel gear (97), the reversing bevel gear (97) is rotatably arranged on the lifting base (61), and the reversing bevel gear (97) is meshed with the first bevel gear assembly (73);

the worm (99), the worm (99) is symmetrically installed on the lifting base (61) in a rotating way;

the third transmission assembly (98), the third transmission assembly (98) is installed between worm (99) and reversing bevel gear (97) on both sides;

the worm wheel (918), the worm wheel (918) is symmetrically rotatably arranged on the lifting base (61), and the worm wheel (918) is meshed with the worm (99);

the driving gear (911), the symmetrical rotation of driving gear (911) is installed on lifting base (61);

a fourth transmission assembly (910), the fourth transmission assembly (910) being mounted between the drive gear (911) and the worm gear (918);

the meshing transmission gear (912), the meshing transmission gear (912) is symmetrically arranged on the trolley frame (1) in a rotating way, and the meshing transmission gear (912) is matched with the driving gear (911);

a fifth transmission assembly (913), the fifth transmission assembly (913) being mounted between the meshing transmission gear (912) and the intermediate transmission transverse shaft (95);

a swinging heavy hammer (914), wherein the swinging heavy hammer (914) is hinged on the lifting base (61);

the first pressure sensor (915), the first pressure sensor (915) is installed on the lifting base (61), and the swinging weight (914) is matched with the first pressure sensor (915);

the second pressure sensor (916), the second pressure sensor (916) is installed on the lifting base (61), and the swinging weight (914) is matched with the second pressure sensor (916);

the protection covers (917), the protection covers (917) are symmetrically arranged on the trolley frame (1), and the telescopic push rod (91) is positioned in one of the protection covers (917);

the intelligent control device is characterized by further comprising an electric cabinet (5), wherein the electric cabinet (5) is embedded and installed on one side of the cart frame (1), the electric cabinet (5) comprises a switching power supply, a power supply module and a control module, the switching power supply supplies power to the whole equipment, the power supply module is connected with a power supply main switch through a circuit, the control module is electrically connected with the power supply module, and the control module is connected with a DS1302 clock circuit and a 24C02 circuit; the forward button (76), the backward button (77), the up button (67), the down button (68), the first pressure sensor (915) and the second pressure sensor (916) are all electrically connected with the control module; the lifting push rod (63), the servo motor (71) and the telescopic push rod (91) are all connected with the control module through peripheral circuits;

when the liftable nursing trolley needs to go upstairs, the descending button is firstly pressed, the descending button sends out a signal, the control module controls the lifting push rod to shrink after receiving the signal, the lifting push rod drives the trolley frame to move downwards, the trolley frame moves downwards to drive the meshing transmission gear to move downwards, the meshing transmission gear moves downwards to be meshed with the driving gear, the descending button is released, the descending button sends out a signal again, the control module controls the lifting push rod to stop after receiving the signal, the liftable nursing trolley swings rightwards to be in an inclined state through the trolley handrail, the supporting spring plays a buffering role, the swinging weight swings rightwards due to the action of gravity and contacts with the second pressure sensor, the control module controls the telescopic push rod to shrink for 2 seconds after receiving the signal, the telescopic push rod shrinks to drive the front installation baffle to swing upwards, the front installation baffle swings upwards to enable the rear installation baffle to swing upwards through the linkage cross rod, the installation baffle swings upwards to enable the transmission crawler to be in an inclined state and contact with stairs, after 2 seconds, the control module controls the telescopic push rod to be closed, meanwhile, people hold the trolley handrail to press the forward button, the forward button sends out signals, the control module receives the signals and controls the servo motor to reversely rotate, the driving shaft drives the reversing bevel gear to reversely rotate through the first bevel gear assembly, the reversing bevel gear reversely rotates to drive the third transmission assembly to reversely rotate, the third transmission assembly reversely rotates to drive the worm to reversely rotate, the worm reversely rotates to drive the worm wheel to positively rotate, the worm wheel positively rotates to drive the fourth transmission assembly to positively rotate, the driving gear positively rotates to drive the meshing transmission gear to reversely rotate, the meshing transmission gear reversely rotates to drive the fifth transmission assembly to reversely rotate, the fifth transmission component reversely rotates to drive the middle-most transmission cross shaft reversely, the middle-most transmission cross shaft reversely rotates to be matched with the rest transmission cross shaft to drive the transmission crawler belt to reversely rotate, so that people can conveniently go upstairs, after the upstairs is completed, the forward button is loosened, the forward button sends out a signal, the control module receives the signal to control the servo motor to stop, the transmission crawler belt also stops reversely rotating, the liftable nursing cart is straightened through the cart handrail, the swinging weight swings leftwards to be separated from the second pressure sensor, the second pressure sensor sends out a signal, the control module receives the signal to control the telescopic push rod to extend for 2 seconds, the telescopic push rod contracts to drive the installation baffle plate to swing downwards to reset, the transmission crawler belt is in a transverse straight state, and in the same way, when the liftable nursing cart needs to go downstairs, the liftable nursing cart swings leftwards to be in an inclined state through the cart handrail due to the action of gravity, the swinging heavy hammer swings leftwards to contact with a first pressure sensor, the first pressure sensor sends out a signal, the control module receives the signal and then controls the telescopic push rod to extend for 2 seconds, the telescopic push rod extends to drive the installation baffle to swing downwards, the installation baffle swings downwards to enable the transmission crawler to be in an inclined state to contact with stairs, the control module controls the telescopic push rod to be closed after 2 seconds, then presses the advancing button, the advancing button sends out a signal, the control module receives the signal and then controls the servo motor to reversely rotate, thus going downstairs, after going downstairs, the advancing button is released, the advancing button sends out a signal, the control module receives the signal and then controls the servo motor to stop, the liftable nursing trolley is rightwards arranged through the trolley handrail, the swinging heavy hammer swings leftwards to be separated from the first pressure sensor, the first pressure sensor sends out a signal, the control module receives the signal and then controls the telescopic push rod to shrink for 2 seconds, the telescopic push rod drives the installation baffle to swing upwards for resetting.

2. A lifting care trolley for a breast surgery department as claimed in claim 1, further comprising a steering mechanism (8), wherein the steering mechanism (8) comprises:

the vertical transmission shaft (83), the vertical transmission shaft (83) is rotatably arranged on the pushing frame (1);

the movable holding sleeve (81) is symmetrically and rotatably arranged on the trolley handrail (3);

the second bevel gear assembly (82), the second bevel gear assembly (82) is installed between movable holding sleeves (81) on two sides and the vertical transmission shaft (83);

the telescopic rotating shaft (85), the telescopic rotating shaft (85) is rotatably arranged between the pushing frame (1) and the lifting base (61);

the second transmission assembly (84), the second transmission assembly (84) is installed between flexible axis of rotation (85) and vertical transmission shaft (83);

and the steering wheel disc (86), wherein the steering wheel disc (86) is rotatably arranged on the telescopic rotating shaft (85).

3. The lifting nursing trolley for breast surgery department as claimed in claim 2, further comprising an anti-collision mechanism (10), wherein the anti-collision mechanism (10) comprises:

the first fixed racks (101) are arranged on the trolley frame (1) at intervals in an embedded mode;

the positioning guide posts (102) are arranged on the trolley frame (1) at intervals, and the positioning guide posts (102) are in sliding fit with the positioning upright posts (64);

the buffer spring (103), the buffer spring (103) is installed between the positioning upright posts (64) at the positioning guide posts (102);

the second fixed rack (104), the second fixed rack (104) is installed on the positioning upright post (64);

the reversing gear (105) is rotatably arranged on the trolley frame (1) at intervals, the reversing gear (105) is meshed with the first fixed rack (101), and the reversing gear (105) is meshed with the second fixed rack (104).

4. A lifting nursing trolley for breast surgery department as claimed in claim 3, further comprising a liquid storage mechanism (11), wherein the liquid storage mechanism (11) comprises:

the liquid storage cavity (111), the liquid storage cavity (111) is placed on the cart frame (1);

the liquid guide pipe (112), the liquid guide pipe (112) is arranged on the cart frame (1) and communicated with the cart frame, and the liquid guide pipe (112) passes through the liquid storage cavity (111) to be communicated with the liquid storage cavity;

the spring guide posts (113), the spring guide posts (113) are symmetrically and slidably arranged on the liquid storage cavity (111);

the sealing cover plate (114), the sealing cover plate (114) is installed between two spring guide posts (113).