CN111110480A - Back lifting device - Google Patents
Back lifting device Download PDFInfo
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- CN111110480A CN111110480A CN201911406756.5A CN201911406756A CN111110480A CN 111110480 A CN111110480 A CN 111110480A CN 201911406756 A CN201911406756 A CN 201911406756A CN 111110480 A CN111110480 A CN 111110480A
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- guide rail
- steel wire
- wire rope
- pulley
- frame
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/065—Rests specially adapted therefor
- A61G7/07—Rests specially adapted therefor for the head or torso, e.g. special back-rests
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- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention belongs to the technical field of rehabilitation nursing, and particularly relates to a back lifting device which solves the problem that a back plate pulls clothes of a patient to cause discomfort in the back lifting process of the conventional nursing apparatus, and comprises two back plate guide rail pairs, a back plate, an I-shaped plate, a connecting block, an upper pulley group, a No. 1 steel wire rope, a small pulley, a No. 2 steel wire rope, a counterweight guide rail pair, a counterweight and a lifting outer frame; the sliding blocks of the two back-rest plate guide rail pairs are fixed on the lower surface of the back-rest plate, and the connecting block is fixed on the lower surface of the back-rest plate; the No. 1 steel wire rope bypasses the upper pulley group, and two ends of the No. 1 steel wire rope are respectively connected with the connecting block and the balancing weight; the No. 2 steel wire rope winds around the small pulley, and two ends of the No. 2 steel wire rope are respectively connected with the connecting block and the balancing weight; the balancing weight is fixed on the sliding block of the balancing weight guide rail pair. The guide rail of the counterweight guide rail pair is fixed on the I-shaped plate.
Description
Technical Field
The invention belongs to the technical field of rehabilitation nursing, and particularly relates to a back lifting device.
Background
At present, no matter in hospitals, nursing homes, nursing centers or at home, the nursing apparatus is very commonly applied, and the labor of medical care personnel and family members of patients is reduced. However, the back plate pulls clothes on the back of the patient in the back lifting process of the existing nursing apparatus, so that the neck and the back of the patient are squeezed by the clothes, the patient is uncomfortable, even suffocation occurs, and the patient is more dangerous especially for the patient losing the exercise function. In order to solve the problems, the invention provides a back lifting device.
Disclosure of Invention
The invention aims to solve the technical problem that the back plate pulls clothes of a patient to cause discomfort in the back lifting process of the existing nursing instrument, and provides a back lifting device.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme, which is described by combining the accompanying drawings as follows:
a back lifting device comprises two back plate guide rail pairs (1), back plates (2), connecting blocks (3), an upper pulley supporting seat (4), an upper pulley group, a No. 1 steel wire rope (6), a small pulley supporting seat (7), a small pulley (8), a No. 2 steel wire rope (9), a I-shaped plate (10), a counterweight block guide rail pair (11), a counterweight block (12) and a lifting outer frame (13);
the guide rails of the two back-board guide rail pairs (1) are fixed on the upper surfaces of the left and right frames of the sitting outer frame (13) through bolts, and the axes of the guide rails of the two back-board guide rail pairs (1) are parallel to each other; the backrest plate (2) is a rectangular plate part, and the sliding blocks of the two backrest plate guide rail pairs (1) are fixedly arranged on the two sides of the lower surface of the backrest plate (2) through bolts; the connecting block (3) is fixedly arranged on the lower surface of the back plate (2) through a bolt;
the guide rail of the counterweight guide rail pair (11) is connected to the I-shaped plate (10) through a bolt, and the left end and the right end of the I-shaped plate (10) are fixedly connected to the left frame and the right frame of the sitting outer frame (13) through bolts; the axes of the guide rails of the counterweight guide rail pairs (11) are parallel to the axes of the guide rails of the two back plate guide rail pairs (1);
the balancing weight (12) is fixed on a sliding block of the balancing weight guide rail pair (11) through a bolt;
the small pulley (8) is fixed on the lower frame of the sitting outer frame (13) through the small pulley supporting seat (7);
one end of the No. 1 steel wire rope (6) is fixedly connected to the upper end of the balancing weight (12) through a bolt, the No. 1 steel wire rope (6) bypasses a pulley groove of the upper pulley set, and the other end of the No. 1 steel wire rope is fixedly connected with the upper end of the connecting block (3) through a bolt; one end of the No. 2 steel wire rope (9) is fixedly connected with the lower end of the balancing weight (12) through a bolt, the No. 2 steel wire rope (9) bypasses a pulley groove of the small pulley (8), and the other end of the No. 2 steel wire rope is fixedly connected with the lower end of the connecting block (3) through a bolt.
The right lower section (901) of the No. 2 steel wire rope (9) and the right upper section (601) of the No. 1 steel wire rope (6) are on the same straight line, and the axis of the guide rail of the counterweight block guide rail pair (11) is parallel to the right lower section (901) of the No. 2 steel wire rope (9) and the right upper section (601) of the No. 1 steel wire rope (6); the left lower section (902) of the No. 2 steel wire rope (9) and the left upper section (602) of the No. 1 steel wire rope (6) are on the same straight line, and the axis of the guide rail of the counterweight guide rail pair (11) is parallel to the left lower section (902) of the No. 2 steel wire rope (9) and the left upper section (602) of the No. 1 steel wire rope (6); namely, the axes of the No. 2 steel wire rope (9), the No. 1 steel wire rope (6) and the guide rail of the counterweight block guide rail pair (11) are in the same plane, and the plane is vertical to the upper surface of the backrest plate (2);
a quilt (21) is fixed on the upper surface of the backrest plate (2);
the mass sum of the sliding blocks of the counterweight block (12) and the counterweight block guide rail pair (11) is equal to the mass sum of the sliding blocks of the backrest plate (2), the connecting block (3) and the two backrest plate guide rail pairs (1) and the mass sum of the bedding (21);
the guide rail axis of the back board guide rail pair (1) is parallel to the upper surface of the back board (2);
the axial line of the guide rail of the counterweight guide rail pair (11) and the axial line of the guide rail of the backboard guide rail pair (1) form an angle of α degrees, the value range of α degrees is 5-20 degrees, and the angle of the upper surface of the backboard (2) and the upper surface of the bed body (14) in a vertical plane is β;
when the angle β is smaller than α/2, the component force of the gravity borne by the sliding blocks of the counterweight block (12) and the counterweight block guide rail pair (11) in the direction along the axis of the guide rail of the counterweight block guide rail pair (11) is larger than the component force of the gravity borne by the backrest plate (2), the connecting block (3), the sliding blocks of the two backrest plate guide rail pairs (1) and the bedding (21) in the direction along the axis of the guide rail of the backrest plate guide rail pair (1), and at the moment, the backrest plate (2) tends to move downwards;
when the angle β is greater than α/2, the component force of the gravity borne by the slider of the counterweight block (12) and the counterweight block guide rail pair (11) in the direction of the axis of the guide rail of the counterweight block guide rail pair (11) is smaller than the component force of the gravity borne by the slider of the backrest plate (2), the connecting block (3) and the two backrest plate guide rail pairs (1) and the component force of the gravity borne by the bedding (21) in the direction of the axis of the guide rail of the backrest plate guide rail pair (1), and at the moment, the backrest plate (2) tends to move upwards.
In the technical scheme, the balancing weight (12) is of a cuboid structure.
In the technical scheme, the sitting frame (13) is formed by welding an upper frame, a lower frame, a left frame and a right frame, the upper frame, the lower frame, the left frame and the right frame are square tubes, and the lower ends of the left frame and the right frame of the sitting frame (13) are hinged with a bed body (14) through hinges (16).
In the technical scheme, the upper pulley group comprises an upper pulley (5); and the No. 1 steel wire rope (6) bypasses a pulley groove of the upper pulley (5).
In the technical scheme, the upper pulley supporting seat (4) is fixed on an upper frame of the sitting outer frame (13) through bolts.
The technical scheme also comprises a stop block (22); the stop block (22) is fixedly installed on the bed body (14) through bolts, and when the backrest plate (2) is in a horizontal state, the stop block (22) is just positioned under the counterweight block (12), and the upper surface of the stop block (22) is in contact with the lower surface of the counterweight block (12).
The device further comprises an electric push rod (18), wherein the end part of the push rod of the electric push rod (18) is hinged to the form plate (10); the bottom of the electric push rod (18) is hinged on the bed body (14).
In the technical scheme, the upper pulley group comprises a No. 1 pulley (15) and a No. 2 pulley (17); the No. 1 steel wire rope (6) bypasses the wheel grooves of the No. 1 pulley (15) and the No. 2 pulley (17); the No. 1 pulley (15) is fixed on the No. 1 pulley seat (19); the No. 2 pulley (17) is fixed on the No. 2 pulley seat (20).
Compared with the prior art, the invention has the beneficial effects that:
the back lifting device provided by the invention adopts the self-adaptive mechanism consisting of the back board and the balancing weight, so that the back board can be automatically adjusted and followed along with the movement of the back of the patient, the problem of discomfort caused by the fact that the back board pulls clothes on the back of the patient in the existing nursing equipment is solved, and the nursing safety is higher. In this process, do not adopt power supplies such as motor, hydraulic pump, electric putter, and the fact proves that these power supplies are more, produce negative factor such as vibration, noise more and influence the patient and have a rest, consequently, through this device of unpowered design, improved patient's travelling comfort, and simple structure to manufacturing cost has been reduced.
Drawings
The invention is further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic perspective view of an axial projection of a back lifting device according to the present invention;
FIG. 2 is a schematic cross-sectional view of a first embodiment of a back lift apparatus according to the present invention;
FIG. 3 is a schematic, partially cross-sectional view of a second embodiment of a back lift apparatus according to the present invention;
fig. 4 is a general schematic view of the installation of a back lifting device according to the present invention.
In the figure: 1. the novel multifunctional combined chair comprises a backrest plate guide rail pair, 2 parts of a backrest plate, 3 parts of a connecting block, 4 parts of an upper pulley supporting seat, 5 parts of a balancing weight, 6.1 # steel wire ropes, 7 parts of a small pulley supporting seat, 8 parts of a small pulley, 9.2 # steel wire ropes, 10 parts of a template, 11 parts of a balancing weight guide rail pair, 12 parts of a balancing weight, 13 parts of a sitting frame, 14 parts of a bed body, 15.1 # pulleys, 16 parts of hinges, 17.2 # pulleys, 18 parts of an electric push rod, 19.1 # pulley seats, 20.2 # pulley seats, 21 parts of bedding and 22 parts of a stop block.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
it should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention:
example 1
Referring to fig. 1 and 2, the back lifting device of the present invention comprises two back plate guide rail pairs 1, a back plate 2, a connecting block 3, an upper pulley support seat 4, an upper pulley set, a steel wire rope No. 1, a small pulley support seat 7, a small pulley 8, a steel wire rope No. 2, a template plate 10, a counterweight guide rail pair 11, a counterweight 12, and a lifting frame 13;
referring to fig. 1 and 2, the guide rails of the two back-plate guide rail pairs 1 are fixed on the upper surfaces of the left and right frames of the sitting-up outer frame 13 by bolts, and the axes of the guide rails of the two back-plate guide rail pairs 1 are parallel to each other; the backrest plate 2 is a rectangular plate part, and the sliding blocks of the two backrest plate guide rail pairs 1 are fixedly arranged on two sides of the lower surface of the backrest plate 2 through bolts; the connecting block 3 is fixedly arranged on the lower surface of the back plate 2 through a bolt;
referring to fig. 1 and 2, the guide rail of the counterweight guide rail pair 11 is connected to the form plate 10 through a bolt, and the left and right ends of the form plate 10 are fixedly connected to the left and right frames of the seating outer frame 13 through bolts; the axes of the guide rails of the counterweight guide rail pair 11 are parallel to the axes of the guide rails of the two back plate guide rail pairs 1;
referring to fig. 1 and 2, the counterweight 12 is fixed on the sliding block of the counterweight guide rail pair 11 by a bolt;
referring to fig. 1 and 2, the small pulley 8 is fixed on the lower frame of the sitting frame 13 through the small pulley support base 7;
referring to fig. 1 and 2, one end of the No. 1 steel wire rope 6 is fixedly connected to the upper end of the counterweight block 12 through a bolt, the No. 1 steel wire rope 6 bypasses the pulley groove of the upper pulley set, and the other end of the No. 1 steel wire rope is fixedly connected to the upper end of the connecting block 3 through a bolt; one end of the No. 2 steel wire rope 9 is fixedly connected with the lower end of the balancing weight 12 through a bolt, the No. 2 steel wire rope 9 bypasses a pulley groove of the small pulley 8, and the other end of the No. 2 steel wire rope is fixedly connected with the lower end of the connecting block 3 through a bolt.
Referring to fig. 1 and 2, a right lower section 901 of the No. 2 steel wire rope 9 and a right upper section 601 of the No. 1 steel wire rope 6 are on the same straight line, and an axis of a guide rail of the counterweight guide rail pair 11 is parallel to the right lower section 901 of the No. 2 steel wire rope 9 and the right upper section 601 of the No. 1 steel wire rope 6; the lower left segment 902 of the No. 2 steel wire rope 9 and the upper left segment 602 of the No. 1 steel wire rope 6 are on the same straight line, and the axis of the guide rail of the counterweight guide rail pair 11 is parallel to the lower left segment 902 of the No. 2 steel wire rope 9 and the upper left segment 602 of the No. 1 steel wire rope 6; namely, the axes of the guide rails of the No. 2 steel wire rope 9, the No. 1 steel wire rope 6 and the counterweight block guide rail pair 11 are in the same plane, and the plane is vertical to the upper surface of the backboard 2;
referring to fig. 1 and 2, a quilt 21 is fixed on the upper surface of the backboard 2;
referring to fig. 1 and fig. 2, the sum of the masses of the sliding blocks of the counterweight block 12 and the counterweight block guide rail pair 11 is equal to the sum of the masses of the sliding blocks of the back plate 2, the connecting block 3 and the two back plate guide rail pairs 1 and the mass of the bedding 21;
referring to fig. 1 and 2, the guide rail axis of the back plate guide rail pair 1 is parallel to the upper surface of the back plate 2;
referring to fig. 1, 2 and 4, the axis of the guide rail of the counterweight guide rail pair 11 and the axis of the guide rail of the backboard guide rail pair 1 form an angle of α degrees, the value range of α degrees is 5-20 degrees, and the angle between the upper surface of the backboard 2 and the upper surface of the bed body 14 in a vertical plane is β;
when the angle β is smaller than α/2, the component force of the gravity borne by the slider of the counterweight block 12 and the counterweight block guide rail pair 11 in the direction along the axis of the guide rail of the counterweight block guide rail pair 11 is larger than the component force of the gravity borne by the slider of the backrest plate 2, the connecting block 3, the two backrest plate guide rail pairs 1 and the bedding 21 in the direction along the axis of the guide rail of the backrest plate guide rail pair 1, and at the moment, the backrest plate 2 tends to move downwards, namely when the back of a patient is started, when the angle β is smaller than α/2, the backrest plate 2 can automatically stop in place or slowly move downwards when the back of the patient leaves the backrest plate 2 due to some reason, and the problem that the upward stroke of the backrest plate is insufficient when the patient continues to back because the backrest plate moves upwards in the process of contacting the backrest plate 2 again after the back of the patient leaves the backrest plate 2 is ensured;
when the angle β is greater than α/2, the component force of the gravity borne by the slider of the counterweight block 12 and the counterweight block guide rail pair 11 in the direction along the axis of the guide rail of the counterweight block guide rail pair 11 is smaller than the component force of the gravity borne by the backrest plate 2, the connecting block 3, the slider of the two backrest plate guide rail pairs 1 and the bedding 21 in the direction along the axis of the guide rail of the backrest plate guide rail pair 1, and at the moment, the backrest plate 2 tends to move upwards, namely when a patient is in a sitting posture or lies down from the sitting posture, when the angle β is greater than α/2, the backrest plate 2 automatically stops in place or slowly moves upwards when the back of the patient leaves the backrest plate 2 due to some reason, so that the problem that the downward stroke of the backrest plate 2 is insufficient when the patient turns to lie down from the sitting posture due to the downward movement of the patient in the process of contacting the backrest plate 2 again after leaving the backrest plate 2 is ensured;
referring to fig. 1, 2 and 4, the weight member 12 is a rectangular parallelepiped structure.
Referring to fig. 1, 2 and 4, the sitting-up outer frame 13 is formed by welding an upper frame, a lower frame, a left frame and a right frame, the upper frame, the lower frame, the left frame and the right frame are square tubes, and the lower ends of the left frame and the right frame of the sitting-up outer frame 13 are hinged with the bed body 14 through hinges 16.
Referring to fig. 1, 2 and 4, the upper pulley set includes an upper pulley 5; the No. 1 steel wire rope 6 passes around the wheel groove of the upper pulley 5.
Referring to fig. 1, 2 and 4, the upper pulley support seat 4 is fixed to the upper frame of the sitting-up outer frame 13 by bolts.
Referring to fig. 1, 2 and 4, the device further comprises an electric push rod 18, wherein the end part of the electric push rod 18 is hinged on the form board 10; the bottom of the electric push rod 18 is hinged on the bed body 14.
Referring to fig. 1, 2 and 4, the device further includes a stopper 22; the stop block 22 is fixedly mounted on the bed body 14 through a bolt, and when the backrest plate 2 is in a horizontal state, the stop block 22 is just under the counterweight block 12, and the upper surface of the stop block 22 contacts with the lower surface of the counterweight block 12, that is, the counterweight block 12 falls on the stop block 22, and the stop block 22 and the backrest plate 2 have positive pressure, so that the backrest plate 2 is not moved by external force, and the comfort of a patient when the patient lies down is ensured.
Example 2.
The back lifting device is modified from fig. 2 to form fig. 3, please refer to fig. 1, fig. 3, and fig. 4, and the difference between the present solution and embodiment 1 is:
the upper pulley set comprises an upper pulley 5; the No. 1 steel wire rope 6 is not wound around the wheel groove of the upper pulley 5;
but rather the upper pulley set comprises number 1 pulley 15, number 2 pulley 17; the No. 1 steel wire rope 6 bypasses the wheel grooves of the No. 1 pulley 15 and the No. 2 pulley 17; the No. 1 pulley 15 is fixed on the No. 1 pulley seat 19; the No. 2 pulley 17 is fixed on the No. 2 pulley seat 20.
The working principle of the back lifting device is as follows:
firstly, according to the installation of figures 1-4, when the back is lifted, the back board 2 starts to rotate anticlockwise, the lower surface of the balancing weight 12 leaves the upper surface of the stop block 22, and when the back is lifted or falls, the back board 2 automatically moves along with the back of a patient, so that the problem that the back board of the existing nursing instrument pulls clothes on the back of the patient in the process of lifting the back to cause discomfort is solved.
The embodiments of the present invention are described in order to facilitate those skilled in the art to understand and apply the present invention, and the present invention is only an optimized embodiment or a preferred embodiment, so the present invention is not limited to the description of the embodiment. If the related technical personnel make equivalent structural changes or various modifications without creative efforts while adhering to the basic technical solution of the present invention, the protection scope of the present invention is covered.
Claims (8)
1. A back lifting device is characterized by comprising two back plate guide rail pairs (1), back plates (2), connecting blocks (3), an upper pulley supporting seat (4), an upper pulley group, a steel wire rope (6) No. 1, a small pulley supporting seat (7), a small pulley (8), a steel wire rope (9) No. 2, a tool plate (10), a counterweight guide rail pair (11), a counterweight (12) and a lifting outer frame (13);
the guide rails of the two back-board guide rail pairs (1) are fixed on the upper surfaces of the left and right frames of the sitting outer frame (13) through bolts, and the axes of the guide rails of the two back-board guide rail pairs (1) are parallel to each other; the backrest plate (2) is a rectangular plate part, and the sliding blocks of the two backrest plate guide rail pairs (1) are fixedly arranged on the two sides of the lower surface of the backrest plate (2) through bolts; the connecting block (3) is fixedly arranged on the lower surface of the back plate (2) through a bolt;
the guide rail of the counterweight guide rail pair (11) is connected to the I-shaped plate (10) through a bolt, and the left end and the right end of the I-shaped plate (10) are fixedly connected to the left frame and the right frame of the sitting outer frame (13) through bolts; the axes of the guide rails of the counterweight guide rail pairs (11) are parallel to the axes of the guide rails of the two back plate guide rail pairs (1);
the balancing weight (12) is fixed on a sliding block of the balancing weight guide rail pair (11) through a bolt;
the small pulley (8) is fixed on the lower frame of the sitting outer frame (13) through the small pulley supporting seat (7);
one end of the No. 1 steel wire rope (6) is fixedly connected to the upper end of the balancing weight (12) through a bolt, the No. 1 steel wire rope (6) bypasses a pulley groove of the upper pulley set, and the other end of the No. 1 steel wire rope is fixedly connected with the upper end of the connecting block (3) through a bolt; one end of the No. 2 steel wire rope (9) is fixedly connected with the lower end of the balancing weight (12) through a bolt, the No. 2 steel wire rope (9) bypasses a pulley groove of the small pulley (8), and the other end of the No. 2 steel wire rope is fixedly connected with the lower end of the connecting block (3) through a bolt.
The right lower section (901) of the No. 2 steel wire rope (9) and the right upper section (601) of the No. 1 steel wire rope (6) are on the same straight line, and the axis of the guide rail of the counterweight block guide rail pair (11) is parallel to the right lower section (901) of the No. 2 steel wire rope (9) and the right upper section (601) of the No. 1 steel wire rope (6); the left lower section (902) of the No. 2 steel wire rope (9) and the left upper section (602) of the No. 1 steel wire rope (6) are on the same straight line, and the axis of the guide rail of the counterweight guide rail pair (11) is parallel to the left lower section (902) of the No. 2 steel wire rope (9) and the left upper section (602) of the No. 1 steel wire rope (6); namely, the axes of the No. 2 steel wire rope (9), the No. 1 steel wire rope (6) and the guide rail of the counterweight block guide rail pair (11) are in the same plane, and the plane is vertical to the upper surface of the backrest plate (2);
a quilt (21) is fixed on the upper surface of the backrest plate (2);
the mass sum of the sliding blocks of the counterweight block (12) and the counterweight block guide rail pair (11) is equal to the mass sum of the sliding blocks of the backrest plate (2), the connecting block (3) and the two backrest plate guide rail pairs (1) and the mass sum of the bedding (21);
the guide rail axis of the back board guide rail pair (1) is parallel to the upper surface of the back board (2);
the axial line of the guide rail of the counterweight guide rail pair (11) and the axial line of the guide rail of the backboard guide rail pair (1) form an angle of α degrees, the value range of α degrees is 5-20 degrees, and the angle of the upper surface of the backboard (2) and the upper surface of the bed body (14) in a vertical plane is β;
when the angle β is smaller than α/2, the component force of the gravity borne by the sliding blocks of the counterweight block (12) and the counterweight block guide rail pair (11) in the direction along the axis of the guide rail of the counterweight block guide rail pair (11) is larger than the component force of the gravity borne by the backrest plate (2), the connecting block (3), the sliding blocks of the two backrest plate guide rail pairs (1) and the bedding (21) in the direction along the axis of the guide rail of the backrest plate guide rail pair (1), and at the moment, the backrest plate (2) tends to move downwards;
when the angle β is greater than α/2, the component force of the gravity borne by the slider of the counterweight block (12) and the counterweight block guide rail pair (11) in the direction of the axis of the guide rail of the counterweight block guide rail pair (11) is smaller than the component force of the gravity borne by the slider of the backrest plate (2), the connecting block (3) and the two backrest plate guide rail pairs (1) and the component force of the gravity borne by the bedding (21) in the direction of the axis of the guide rail of the backrest plate guide rail pair (1), and at the moment, the backrest plate (2) tends to move upwards.
2. A back lifting device according to claim 1, wherein the weight (12) is of rectangular parallelepiped configuration.
3. The back lifting device according to claim 1, wherein the lifting frame (13) is formed by welding an upper frame, a lower frame, a left frame and a right frame, the upper frame, the lower frame, the left frame and the right frame are square tubes, and the lower ends of the left frame and the right frame of the lifting frame (13) are hinged with the bed body (14) through hinges (16).
4. Back-lifting device according to claim 1, characterized in that said upper pulley set comprises an upper pulley (5); and the No. 1 steel wire rope (6) bypasses a pulley groove of the upper pulley (5).
5. A back-lifting device according to claim 4, characterized in that the upper pulley support (4) is fixed to the upper frame of the outer lifting frame (13) by means of bolts.
6. Back-lifting device according to claim 1, characterized in that it further comprises a stop block (22); the stop block (22) is fixedly installed on the bed body (14) through bolts, and when the backrest plate (2) is in a horizontal state, the stop block (22) is just positioned under the counterweight block (12), and the upper surface of the stop block (22) is in contact with the lower surface of the counterweight block (12).
7. A back-lifting device according to claim 3, characterized in that it further comprises an electric push rod (18), the push rod end of said electric push rod (18) being hinged on the template (10); the bottom of the electric push rod (18) is hinged on the bed body (14).
8. Back-lifting device according to claim 1, characterized in that said upper pulley set comprises No. 1 pulley (15), No. 2 pulley (17); the No. 1 steel wire rope (6) bypasses the wheel grooves of the No. 1 pulley (15) and the No. 2 pulley (17); the No. 1 pulley (15) is fixed on the No. 1 pulley seat (19); the No. 2 pulley (17) is fixed on the No. 2 pulley seat (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911406756.5A CN111110480B (en) | 2019-12-31 | 2019-12-31 | Back lifting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911406756.5A CN111110480B (en) | 2019-12-31 | 2019-12-31 | Back lifting device |
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| CN111110480A true CN111110480A (en) | 2020-05-08 |
| CN111110480B CN111110480B (en) | 2021-05-04 |
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| CN201911406756.5A Active CN111110480B (en) | 2019-12-31 | 2019-12-31 | Back lifting device |
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| CN206642023U (en) * | 2016-11-09 | 2017-11-17 | 黄天炎 | The anti-back lifting extruding lumbar vertebrae device of care bed backboard |
| CN109044666A (en) * | 2018-09-11 | 2018-12-21 | 安徽昱邦智能科技有限公司 | Human body pressurizing unit and its medical bed are prevented on medical bed-rest |
| CN208287176U (en) * | 2017-07-31 | 2018-12-28 | 河北万瑞医疗器械有限公司 | Hoisting gear for backrest and multifunctional hospital bed |
| CN209059735U (en) * | 2017-12-26 | 2019-07-05 | 武汉拂尔佳科技有限公司 | A kind of nursing bed back lifting autoamtic protection device for forming |
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| CN203915290U (en) * | 2014-05-14 | 2014-11-05 | 莱州科亿宏电动床有限公司 | Anti-human body pressurizing unit on a kind of nursing bed backrest |
| CN206642023U (en) * | 2016-11-09 | 2017-11-17 | 黄天炎 | The anti-back lifting extruding lumbar vertebrae device of care bed backboard |
| CN106667692A (en) * | 2016-12-07 | 2017-05-17 | 北华大学 | Sickbed sitting-up mechanism capable of avoiding back pulling |
| CN208287176U (en) * | 2017-07-31 | 2018-12-28 | 河北万瑞医疗器械有限公司 | Hoisting gear for backrest and multifunctional hospital bed |
| CN209059735U (en) * | 2017-12-26 | 2019-07-05 | 武汉拂尔佳科技有限公司 | A kind of nursing bed back lifting autoamtic protection device for forming |
| CN109044666A (en) * | 2018-09-11 | 2018-12-21 | 安徽昱邦智能科技有限公司 | Human body pressurizing unit and its medical bed are prevented on medical bed-rest |
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