Orthopedics increases traction table
Technical Field
The invention relates to a traction bed, in particular to an orthopedic heightening traction bed.
Background
The traction is to utilize the principle of acting force and reacting force in mechanics, and act on the affected limb through the traction of gravity, so as to relieve the tension and retraction of soft tissues at the fracture and dislocation. When in traction, the patient needs to be kept in a correct traction position, and the traction weight needs to be adjusted according to the disease condition and cannot be increased or decreased randomly. Because orthopedic patients carry out bone traction and reset, when treatment such as fixed, need raise the head of a bed or tailstock, traditional pad stability that increases is relatively poor, emptys easily and the slippage to lead to the fracture aversion, reset failure, and arouse patient's pain.
Disclosure of Invention
In order to overcome the defects that the prior traction technology is difficult to adjust according to the disease condition and keep the correct posture during traction, the invention has the technical problems that: provides an orthopedic heightening traction bed which can be adjusted according to the state of an illness and can ensure that a patient keeps a correct posture.
The technical implementation scheme of the invention is as follows: an orthopedic heightening traction bed comprises a nursing bed, a box body, a first sliding block, a connecting seat, a head protection tool, a connecting rod, a sliding shaft, a cover plate, a shifting plate, a first bearing seat, a rotating shaft, a first hand wheel, a boosting rod, a cylinder body, a first compression spring, a connecting plate, a U-shaped rod, an expansion bracket, a reel, a pull wire, a slide way, a second compression spring, an L-shaped inserted rod, a first bolt, an extension arm, a second bolt, a second bearing seat and an arc placing plate, wherein the box body is arranged in the middle of the nursing bed, a first sliding chute is horizontally formed in the middle of the bottom of the box body, the first sliding block is arranged in the first sliding chute in a sliding mode, the connecting seat is arranged at the top of the first sliding block, the head protection tool is connected with the head protection tool, the connecting rod is arranged in the front and at the back of the head protection tool, the sliding shaft is connected, the nursing bed comprises a bed plate, through holes are formed in the left side and the right side of the bed plate of the nursing bed, cover plates are rotatably connected to the left side of the top of the through hole in the left side and the right side of the top of the through hole in the right side respectively, the cover plates just cover the through holes, a first bearing seat is arranged at the top of the rear side of a sliding shaft, a rotating shaft is arranged in the first bearing seat, the rear end of the rotating shaft penetrates through a box body, a first hand wheel is connected to the rear end of the rotating shaft, a boosting rod is connected to the eccentric position of the rear side of the first hand wheel, cylinder bodies are arranged on the left side and the right side of the lower portion of the rear side of the box body respectively, a connecting plate is arranged in each cylinder body, a U-shaped rod is connected to the rear end of the connecting plate, a first compression spring is connected between the rear side of each, the right-hand member of expansion bracket lower part is located the slide, the slide left side is equipped with second compression spring, second compression spring's right-hand member and expansion bracket lower part right-hand member are connected, the right-hand member and the expansion bracket lower part right-hand member of acting as go-between are connected, the equal vertical jack that opens of rear end and the front end of rear side connecting rod of front side connecting rod, be equipped with L shape inserted bar in the jack, the equal level of rear end and the front end of front side connecting rod of rear side connecting rod has first screw hole, first screw hole is equipped with first bolt, the outer end of first bolt is connected with the extension arm, the equal level of upper portion front end of rear side L shape inserted bar and the upper portion rear end of front side L shape inserted bar has the second screw hole, the threaded hole of second is equipped with the second bolt, the front end of rear side second bolt and the rear end of front side second bolt all are connected with the secondary.
In a preferred embodiment of the invention, the box body further comprises a shifting piece, a connecting rod, a first limiting block, a tension spring, a clamping block and a second limiting block, arc-shaped holes are formed in the left side and the right side of the inner wall of the box body, the right side of the left arc-shaped hole and the left side of the right arc-shaped hole are rotatably connected with the shifting piece, the first limiting block is arranged above the shifting piece, the connecting rod is connected to the left side of the left shifting piece and the right side of the right shifting piece, the connecting rod penetrates through the arc-shaped holes, the clamping block is rotatably connected above the shifting piece, the second limiting block is arranged above the clamping block.
In a preferred embodiment of the invention, the head protector further comprises a hollow conduit, a guide block, a soft rope, a sliding plate and a support rod, wherein the left side of the bottom of the head protector is provided with a mounting hole, the upper part in the mounting hole is provided with the hollow conduit, the guide block is arranged in the hollow conduit, the right part of the guide block is connected with the soft rope, the right end of the soft rope is connected with the sliding plate, the upper part of the left side in the mounting hole is provided with the support rod, and the right end of the.
In a preferred embodiment of the invention, the head protector further comprises a fixed block, a second slide block, a rack, a rotating shaft, a gear and a second hand wheel, the fixed block is connected to the bottom of the head protector, a third slide groove is formed in the top of the fixed block, the second slide block is arranged in the third slide groove in a sliding manner, the rack is arranged at the top of the second slide block, the right end of the rack is rotatably connected with the bottom of the slide plate, the rotating shaft is rotatably mounted on the rear side of the bottom of the head protector, the gear is arranged on the front side of the rotating shaft, the gear is meshed with the rack.
When a patient uses the invention to draw the head or feet, firstly, the patient lies on the top of the nursing bed horizontally, the head is on the left side of the nursing bed, the legs are on the right side of the nursing bed, when the head is drawn, the cover plate on the left side is opened upwards, then the shifting plate is shifted leftwards, when the head protector is just positioned below the through hole on the left side, the first hand wheel is controlled to rotate, the reel can be driven to rotate, the expansion bracket is driven to extend upwards, the second compression spring is compressed, the head protector can be driven to move upwards, when the head protector moves upwards to a proper position, the first hand wheel is stopped rotating, then the U-shaped rod on the left side is controlled to move backwards, the front end of the upper part of the U-shaped rod is clamped on the rear side of the first hand wheel, at the moment, the first compression spring is stretched, the first hand wheel can be prevented from reversing, the head of the patient can, the first hand wheel is no longer blocked to control U-shaped pole, and the reversal of first hand wheel is controlled, and the acting as go-between is loosened, and under second compression spring's effect, the expansion bracket contracts downwards, and the headgear moves down, then covers the through-hole with the apron. When the leg of a patient needs to be pulled, the shifting plate is moved rightwards, when the head protector is just positioned under the right through hole, the cover plate on the right side is opened upwards, then the first hand wheel is controlled to rotate to drive the winding wheel to take up the stay wire, the expansion bracket can be driven to extend upwards, the second compression spring is compressed to drive the head protector to move upwards, when the head protector moves upwards to a proper position, then the U-shaped rod on the right side is controlled to move backwards, the front end of the upper part of the U-shaped rod is clamped on the rear side of the first hand wheel, at the moment, the first compression spring is stretched to prevent the first hand wheel from reversing, the L-shaped inserting rod can be inserted into the inserting hole, then the second bolt is screwed into the second threaded hole, the arc-shaped placing plate can be fixed, then the height of the L-shaped inserting rod is controlled according to the requirements of the patient, when the L-shaped inserting rod moves to a proper height, the extension arm can, with the first threaded hole of first bolt screw in, can place the rigidity of L shape inserted bar this moment, patient can place the arc with both feet and place on the board, can pull patient's shank this moment, and the shank pulls the completion back, unscrews first bolt, then with L shape inserted bar extract can. Then control U-shaped pole no longer blocks first hand wheel, control first hand wheel reversal, it is relaxed to act as go-between, under the effect of second compression spring, the expansion bracket contracts downwards, and the headgear moves down, then covers the through-hole with the apron. Repeating the above operations to draw the head or the legs of the patient.
When the head protective equipment moves to the through-hole below on left side or right side, the sliding shaft can move right or left and extrude the certain angle of fixture block swing, can block the plectrum during the fixture block swing, meanwhile the fixture block can block the sliding shaft, prevent that first slider from removing about can, can be fixed with the head protective equipment, when need not pull, can stir the connecting rod downwards, drive the plectrum swing, because extension spring's elastic force effect, the fixture block can pop out the reduction, no longer blocked by the plectrum, plectrum and fixture block wobbling scope can be controlled to first stopper and second stopper, make the fixture block can block the axis of rotation.
When drawing the head, the distance that will the rebound according to patient's the condition head protective equipment of difference is different, and when probably head protective equipment rebound distance was bigger, the head protective equipment will break away from the bed board of nursing bed, so can stimulate the slide right, drive the guide block through the soft rope and remove right, make the slide right-hand member can contact with the bed board of nursing bed always, just so can prevent that the head protective equipment from breaking away from with the bed board of nursing bed, make the cervical vertebra position more have the sense of security.
The staff can drive the axis of rotation through anticlockwise rotation second hand wheel to and then drive the gear revolve, drive the rack from this and move right, the rack can drive the slide and move right, when the slide contacted the bed board of nursing bed, stall second hand wheel. When need not pull, control second hand wheel clockwise turning drives gear anticlockwise turning, and then drives rack and slide and move left, when the slide moved suitable position left, the stall second hand wheel can be with the head protective equipment downstream.
The invention has the beneficial effects that: according to the invention, the head protector is controlled to move up and down to pull the head, the height of the head protector can be adjusted according to the conditions of different patients, so that the patients feel more comfortable, then the head protector can be lifted or lowered through the telescopic frame, the sliding shaft is fixed through the clamping block, and the head protector is prevented from moving in the pulling process. The sliding plate can always contact with the top of the bed board of the nursing bed through the movement of the sliding plate, so that the patient feels more comfortable in the traction process.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a left side view structural diagram of the present invention.
Fig. 3 is a first partial schematic front view structure of the present invention.
Fig. 4 is a partial left view structural diagram of the present invention.
Fig. 5 is a second partial schematic front view structure of the present invention.
Wherein the figures include the following reference numerals: 1 nursing bed, 2 case body, 3 first sliding chute, 4 first sliding block, 5 connecting seat, 6 head protector, 61 connecting rod, 7 sliding shaft, 8 second sliding chute, 9 through hole, 10 cover plate, 11 shifting plate, 12 first bearing seat, 13 rotating shaft, 14 first hand wheel, 15 boosting rod, 16 cylinder body, 17 first compression spring, 18 connecting plate, 19U-shaped rod, 20 expansion bracket, 21 winding wheel, 22 pull wire, 23 slideway, 24 second compression spring, 25 jack, 251L-shaped inserted rod, 26 first threaded hole, 27 first bolt, 28 extension arm, 29 second threaded hole, 30 second bolt, 31 second bearing seat, 32 arc placing plate, 33 arc hole, 34 shifting plate, 35 connecting rod, 36 first limiting block, 37 extension spring, 38, 39 second limiting block, 40 mounting hole, 41 hollow conduit, 42 guide block, 43 soft rope, 44 sliding plate, 45 supporting rod, 46 third sliding chute, 461 fixed block, 47 second slider, 48 rack, 49 rotation shaft, 50 gear, 51 second hand wheel.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example 1
An orthopedic heightening traction bed is shown in figures 1-5 and comprises a nursing bed 1, a box body 2, a first sliding block 4, a connecting seat 5, a head protector 6, a connecting rod 61, a sliding shaft 7, a cover plate 10, a shifting plate 11, a first bearing seat 12, a rotating shaft 13, a first hand wheel 14, a boosting rod 15, a cylinder body 16, a first compression spring 17, a connecting plate 18, a U-shaped rod 19, an expansion bracket 20, a reel 21, a pull wire 22, a slideway 23, a second compression spring 24, an L-shaped insertion rod 251, a first bolt 27, an extension arm 28, a second bolt 30, a second bearing seat 31 and an arc-shaped placing plate 32, wherein the box body 2 is installed in the middle of the bottom of the nursing bed 1, a first sliding groove 3 is horizontally formed in the middle of the bottom of the box body 2, the first sliding block 4 is arranged in the first sliding groove 3, the connecting seat 5 is arranged at the top of the first sliding block 4, the head protector 6 is connected, the right side of the connecting seat 5 is connected with a sliding shaft 7, the middle part of the front side of the box body 2 is horizontally provided with a second chute 8, the sliding shaft 7 passes through the second chute 8, the front end of the sliding shaft 7 is connected with a shifting plate 11, through holes 9 are respectively arranged on the left side and the right side of a bed board of the nursing bed 1, the left side of the top of the through hole 9 on the left side and the right side of the top of the through hole 9 on the right side are rotatably connected with a cover plate 10, the cover plate 10 just covers the through hole 9, the top of the rear side of the sliding shaft 7 is provided with a first bearing seat 12, a rotating shaft 13 is arranged in the first bearing seat 12, the rear end of the rotating shaft 13 passes through the box body 2, the rear end of the rotating shaft 13 is connected with a first hand wheel 14, the eccentric position of the rear side of the first hand wheel 14 is connected with a power-assisted rod 15, the left, the U-shaped rod 19 passes through the first compression spring 17, the front and rear connecting rods 61 are rotatably connected with an expansion bracket 20, the bottom of the expansion bracket 20 is rotatably connected with the top of the sliding shaft 7, the front end of the rotating shaft 13 is connected with a reel 21, a stay wire 22 is wound on the reel 21, the rear side of the top of the sliding shaft 7 is provided with a slide rail 23, the right end of the lower part of the expansion bracket 20 is positioned in the slide rail 23, the left side of the slide rail 23 is provided with a second compression spring 24, the right end of the second compression spring 24 is connected with the right end of the lower part of the expansion bracket 20, the right end of the stay wire 22 is connected with the right end of the lower part of the expansion bracket 20, the rear end of the front connecting rod 61 and the front end of the rear connecting rod 61 are both vertically provided with insertion holes 25, an L-shaped insertion rod 251 is arranged in the insertion holes 25, the rear end of the rear connecting rod 61 and the front end of the front, the front end of the upper portion of the rear L-shaped insert rod 251 and the rear end of the upper portion of the front L-shaped insert rod 251 are horizontally provided with second threaded holes 29, second bolts 30 are arranged in the second threaded holes 29, the front ends of the rear second bolts 30 and the rear ends of the front second bolts 30 are connected with second bearing seats 31 in an interference mode, and the lower ends of the second bearing seats 31 are connected with arc-shaped placing plates 32.
Example 2
An orthopedic heightening traction bed is shown in figures 1-5 and comprises a nursing bed 1, a box body 2, a first sliding block 4, a connecting seat 5, a head protector 6, a connecting rod 61, a sliding shaft 7, a cover plate 10, a shifting plate 11, a first bearing seat 12, a rotating shaft 13, a first hand wheel 14, a boosting rod 15, a cylinder body 16, a first compression spring 17, a connecting plate 18, a U-shaped rod 19, an expansion bracket 20, a reel 21, a pull wire 22, a slideway 23, a second compression spring 24, an L-shaped insertion rod 251, a first bolt 27, an extension arm 28, a second bolt 30, a second bearing seat 31 and an arc-shaped placing plate 32, wherein the box body 2 is installed in the middle of the bottom of the nursing bed 1, a first sliding groove 3 is horizontally formed in the middle of the bottom of the box body 2, the first sliding block 4 is arranged in the first sliding groove 3, the connecting seat 5 is arranged at the top of the first sliding block 4, the head protector 6 is connected, the right side of the connecting seat 5 is connected with a sliding shaft 7, the middle part of the front side of the box body 2 is horizontally provided with a second chute 8, the sliding shaft 7 passes through the second chute 8, the front end of the sliding shaft 7 is connected with a shifting plate 11, through holes 9 are respectively arranged on the left side and the right side of a bed board of the nursing bed 1, the left side of the top of the through hole 9 on the left side and the right side of the top of the through hole 9 on the right side are rotatably connected with a cover plate 10, the cover plate 10 just covers the through hole 9, the top of the rear side of the sliding shaft 7 is provided with a first bearing seat 12, a rotating shaft 13 is arranged in the first bearing seat 12, the rear end of the rotating shaft 13 passes through the box body 2, the rear end of the rotating shaft 13 is connected with a first hand wheel 14, the eccentric position of the rear side of the first hand wheel 14 is connected with a power-assisted rod 15, the left, the U-shaped rod 19 passes through the first compression spring 17, the front and rear connecting rods 61 are rotatably connected with an expansion bracket 20, the bottom of the expansion bracket 20 is rotatably connected with the top of the sliding shaft 7, the front end of the rotating shaft 13 is connected with a reel 21, a stay wire 22 is wound on the reel 21, the rear side of the top of the sliding shaft 7 is provided with a slide rail 23, the right end of the lower part of the expansion bracket 20 is positioned in the slide rail 23, the left side of the slide rail 23 is provided with a second compression spring 24, the right end of the second compression spring 24 is connected with the right end of the lower part of the expansion bracket 20, the right end of the stay wire 22 is connected with the right end of the lower part of the expansion bracket 20, the rear end of the front connecting rod 61 and the front end of the rear connecting rod 61 are both vertically provided with insertion holes 25, an L-shaped insertion rod 251 is arranged in the insertion holes 25, the rear end of the rear connecting rod 61 and the front end of the front, the front end of the upper portion of the rear L-shaped insert rod 251 and the rear end of the upper portion of the front L-shaped insert rod 251 are horizontally provided with second threaded holes 29, second bolts 30 are arranged in the second threaded holes 29, the front ends of the rear second bolts 30 and the rear ends of the front second bolts 30 are connected with second bearing seats 31 in an interference mode, and the lower ends of the second bearing seats 31 are connected with arc-shaped placing plates 32.
Still including plectrum 34, connecting rod 35, first stopper 36, extension spring 37, fixture block 38 and second stopper 39, the arc hole 33 has all been opened to the back wall left and right sides in box 2, the right side of left side arc hole 33 and the equal rotary type in left side of right side arc hole 33 are connected with plectrum 34, plectrum 34 top is equipped with first stopper 36, the left side of left side plectrum 34 and the right side of right side plectrum 34 all are connected with connecting rod 35, connecting rod 35 passes arc hole 33, the top rotary type of plectrum 34 is connected with fixture block 38, fixture block 38 top is equipped with second stopper 39, be connected with extension spring 37 between fixture block 38 and the plectrum 34.
Example 3
An orthopedic heightening traction bed is shown in figures 1-5 and comprises a nursing bed 1, a box body 2, a first sliding block 4, a connecting seat 5, a head protector 6, a connecting rod 61, a sliding shaft 7, a cover plate 10, a shifting plate 11, a first bearing seat 12, a rotating shaft 13, a first hand wheel 14, a boosting rod 15, a cylinder body 16, a first compression spring 17, a connecting plate 18, a U-shaped rod 19, an expansion bracket 20, a reel 21, a pull wire 22, a slideway 23, a second compression spring 24, an L-shaped insertion rod 251, a first bolt 27, an extension arm 28, a second bolt 30, a second bearing seat 31 and an arc-shaped placing plate 32, wherein the box body 2 is installed in the middle of the bottom of the nursing bed 1, a first sliding groove 3 is horizontally formed in the middle of the bottom of the box body 2, the first sliding block 4 is arranged in the first sliding groove 3, the connecting seat 5 is arranged at the top of the first sliding block 4, the head protector 6 is connected, the right side of the connecting seat 5 is connected with a sliding shaft 7, the middle part of the front side of the box body 2 is horizontally provided with a second chute 8, the sliding shaft 7 passes through the second chute 8, the front end of the sliding shaft 7 is connected with a shifting plate 11, through holes 9 are respectively arranged on the left side and the right side of a bed board of the nursing bed 1, the left side of the top of the through hole 9 on the left side and the right side of the top of the through hole 9 on the right side are rotatably connected with a cover plate 10, the cover plate 10 just covers the through hole 9, the top of the rear side of the sliding shaft 7 is provided with a first bearing seat 12, a rotating shaft 13 is arranged in the first bearing seat 12, the rear end of the rotating shaft 13 passes through the box body 2, the rear end of the rotating shaft 13 is connected with a first hand wheel 14, the eccentric position of the rear side of the first hand wheel 14 is connected with a power-assisted rod 15, the left, the U-shaped rod 19 passes through the first compression spring 17, the front and rear connecting rods 61 are rotatably connected with an expansion bracket 20, the bottom of the expansion bracket 20 is rotatably connected with the top of the sliding shaft 7, the front end of the rotating shaft 13 is connected with a reel 21, a stay wire 22 is wound on the reel 21, the rear side of the top of the sliding shaft 7 is provided with a slide rail 23, the right end of the lower part of the expansion bracket 20 is positioned in the slide rail 23, the left side of the slide rail 23 is provided with a second compression spring 24, the right end of the second compression spring 24 is connected with the right end of the lower part of the expansion bracket 20, the right end of the stay wire 22 is connected with the right end of the lower part of the expansion bracket 20, the rear end of the front connecting rod 61 and the front end of the rear connecting rod 61 are both vertically provided with insertion holes 25, an L-shaped insertion rod 251 is arranged in the insertion holes 25, the rear end of the rear connecting rod 61 and the front end of the front, the front end of the upper portion of the rear L-shaped insert rod 251 and the rear end of the upper portion of the front L-shaped insert rod 251 are horizontally provided with second threaded holes 29, second bolts 30 are arranged in the second threaded holes 29, the front ends of the rear second bolts 30 and the rear ends of the front second bolts 30 are connected with second bearing seats 31 in an interference mode, and the lower ends of the second bearing seats 31 are connected with arc-shaped placing plates 32.
Still including plectrum 34, connecting rod 35, first stopper 36, extension spring 37, fixture block 38 and second stopper 39, the arc hole 33 has all been opened to the back wall left and right sides in box 2, the right side of left side arc hole 33 and the equal rotary type in left side of right side arc hole 33 are connected with plectrum 34, plectrum 34 top is equipped with first stopper 36, the left side of left side plectrum 34 and the right side of right side plectrum 34 all are connected with connecting rod 35, connecting rod 35 passes arc hole 33, the top rotary type of plectrum 34 is connected with fixture block 38, fixture block 38 top is equipped with second stopper 39, be connected with extension spring 37 between fixture block 38 and the plectrum 34.
Still including hollow pipe 41, guide block 42, rope 43, slide 44 and branch 45, open the bottom left side of head protective equipment 6 has mounting hole 40, and the upper portion is equipped with hollow pipe 41 in the mounting hole 40, is equipped with guide block 42 in the hollow pipe 41, and guide block 42 right part is connected with rope 43, and the right-hand member of rope 43 is connected with slide 44, and branch 45 is installed on the left side upper portion in the mounting hole 40, and the branch 45 right-hand member is connected with hollow pipe 41 bottom.
Example 4
An orthopedic heightening traction bed is shown in figures 1-5 and comprises a nursing bed 1, a box body 2, a first sliding block 4, a connecting seat 5, a head protector 6, a connecting rod 61, a sliding shaft 7, a cover plate 10, a shifting plate 11, a first bearing seat 12, a rotating shaft 13, a first hand wheel 14, a boosting rod 15, a cylinder body 16, a first compression spring 17, a connecting plate 18, a U-shaped rod 19, an expansion bracket 20, a reel 21, a pull wire 22, a slideway 23, a second compression spring 24, an L-shaped insertion rod 251, a first bolt 27, an extension arm 28, a second bolt 30, a second bearing seat 31 and an arc-shaped placing plate 32, wherein the box body 2 is installed in the middle of the bottom of the nursing bed 1, a first sliding groove 3 is horizontally formed in the middle of the bottom of the box body 2, the first sliding block 4 is arranged in the first sliding groove 3, the connecting seat 5 is arranged at the top of the first sliding block 4, the head protector 6 is connected, the right side of the connecting seat 5 is connected with a sliding shaft 7, the middle part of the front side of the box body 2 is horizontally provided with a second chute 8, the sliding shaft 7 passes through the second chute 8, the front end of the sliding shaft 7 is connected with a shifting plate 11, through holes 9 are respectively arranged on the left side and the right side of a bed board of the nursing bed 1, the left side of the top of the through hole 9 on the left side and the right side of the top of the through hole 9 on the right side are rotatably connected with a cover plate 10, the cover plate 10 just covers the through hole 9, the top of the rear side of the sliding shaft 7 is provided with a first bearing seat 12, a rotating shaft 13 is arranged in the first bearing seat 12, the rear end of the rotating shaft 13 passes through the box body 2, the rear end of the rotating shaft 13 is connected with a first hand wheel 14, the eccentric position of the rear side of the first hand wheel 14 is connected with a power-assisted rod 15, the left, the U-shaped rod 19 passes through the first compression spring 17, the front and rear connecting rods 61 are rotatably connected with an expansion bracket 20, the bottom of the expansion bracket 20 is rotatably connected with the top of the sliding shaft 7, the front end of the rotating shaft 13 is connected with a reel 21, a stay wire 22 is wound on the reel 21, the rear side of the top of the sliding shaft 7 is provided with a slide rail 23, the right end of the lower part of the expansion bracket 20 is positioned in the slide rail 23, the left side of the slide rail 23 is provided with a second compression spring 24, the right end of the second compression spring 24 is connected with the right end of the lower part of the expansion bracket 20, the right end of the stay wire 22 is connected with the right end of the lower part of the expansion bracket 20, the rear end of the front connecting rod 61 and the front end of the rear connecting rod 61 are both vertically provided with insertion holes 25, an L-shaped insertion rod 251 is arranged in the insertion holes 25, the rear end of the rear connecting rod 61 and the front end of the front, the front end of the upper portion of the rear L-shaped insert rod 251 and the rear end of the upper portion of the front L-shaped insert rod 251 are horizontally provided with second threaded holes 29, second bolts 30 are arranged in the second threaded holes 29, the front ends of the rear second bolts 30 and the rear ends of the front second bolts 30 are connected with second bearing seats 31 in an interference mode, and the lower ends of the second bearing seats 31 are connected with arc-shaped placing plates 32.
Still including plectrum 34, connecting rod 35, first stopper 36, extension spring 37, fixture block 38 and second stopper 39, the arc hole 33 has all been opened to the back wall left and right sides in box 2, the right side of left side arc hole 33 and the equal rotary type in left side of right side arc hole 33 are connected with plectrum 34, plectrum 34 top is equipped with first stopper 36, the left side of left side plectrum 34 and the right side of right side plectrum 34 all are connected with connecting rod 35, connecting rod 35 passes arc hole 33, the top rotary type of plectrum 34 is connected with fixture block 38, fixture block 38 top is equipped with second stopper 39, be connected with extension spring 37 between fixture block 38 and the plectrum 34.
Still including hollow pipe 41, guide block 42, rope 43, slide 44 and branch 45, open the bottom left side of head protective equipment 6 has mounting hole 40, and the upper portion is equipped with hollow pipe 41 in the mounting hole 40, is equipped with guide block 42 in the hollow pipe 41, and guide block 42 right part is connected with rope 43, and the right-hand member of rope 43 is connected with slide 44, and branch 45 is installed on the left side upper portion in the mounting hole 40, and the branch 45 right-hand member is connected with hollow pipe 41 bottom.
The head protector is characterized by further comprising a fixed block 461, a second sliding block 47, a rack 48, a rotating shaft 49, a gear 50 and a second hand wheel 51, wherein the fixed block 461 is connected to the bottom of the head protector 6, a third sliding groove 46 is formed in the top of the fixed block 461, the second sliding block 47 is arranged in the third sliding groove 46 in a sliding mode, the rack 48 is arranged on the top of the second sliding block 47, the right end of the rack 48 is rotatably connected with the bottom of the sliding plate 44, the rotating shaft 49 is rotatably installed on the rear side of the bottom of the head protector 6, the gear 50 is arranged on the front side of the rotating shaft 49 and meshed with the rack 48, and the.
When a patient pulls the head or the feet by using the invention, firstly, the patient lies on the top of the nursing bed 1 horizontally, the head is on the left side of the nursing bed 1, the legs are on the right side of the nursing bed 1, when the head is pulled, the cover plate 10 on the left side is opened upwards, then the shifting plate 11 is shifted leftwards, when the head protector 6 is just positioned below the through hole 9 on the left side, the first hand wheel 14 is controlled to rotate, the reel 21 can be driven to rotate, the expansion bracket 20 is driven to extend upwards, the second compression spring 24 is compressed, the head protector 6 can be driven to move upwards, when the head protector 6 is moved upwards to a proper position, the first hand wheel 14 is stopped to rotate, then the U-shaped rod 19 on the left side is controlled to move backwards, the front end of the upper part of the U-shaped rod 19 is clamped on the rear side of the first hand wheel 14, at the moment, the first compression spring 17 is stretched, and the first, at this moment, the head of the patient can be pulled, after the pulling is completed, the first hand wheel 14 is not clamped by the control U-shaped rod 19, the first hand wheel 14 is controlled to rotate reversely, the stay wire 22 is loosened, the expansion bracket 20 contracts downwards under the action of the second compression spring 24, the head protector 6 moves downwards, and then the cover plate 10 covers the through hole 9. When the leg of a patient needs to be pulled, the shifting plate 11 is moved rightwards, when the head protector 6 is just positioned right below the right through hole 9, the cover plate 10 on the right side is opened upwards, then the first hand wheel 14 is controlled to rotate, the wire winding wheel 21 is driven to take up the wire 22, the expansion bracket 20 can be driven to extend upwards, the second compression spring 24 is compressed, the head protector 6 can be driven to move upwards, when the head protector 6 moves upwards to a proper position, the U-shaped rod 19 on the right side is controlled to move backwards, the front end of the upper part of the U-shaped rod 19 is clamped on the rear side of the first hand wheel 14, at the moment, the first compression spring 17 is stretched, the first hand wheel 14 can be prevented from rotating backwards, the L-shaped inserting rod 251 can be inserted into the inserting hole 25, then the second bolt 30 is screwed into the second threaded hole 29, the arc-shaped placing plate 32 can be fixed, then the height of the L-shaped inserting rod 251 is controlled, when L shape inserted bar 251 moves suitable height, can control extension arm 28 rotatory, in first screw hole 26 with first bolt 27 screw in, can fix the position of L shape inserted bar 251 this moment, patient can place the arc with both feet and place the board 32 on, can pull patient's shank this moment, and the shank pulls the completion back, unscrews first bolt 27, then extracts L shape inserted bar 251 can. Then the U-shaped rod 19 is controlled not to block the first hand wheel 14, the first hand wheel 14 is controlled to rotate reversely, the pull wire 22 is loosened, the telescopic frame 20 is contracted downwards under the action of the second compression spring 24, the head protector 6 moves downwards, and then the cover plate 10 covers the through hole 9. Repeating the above operations to draw the head or the legs of the patient.
When the headgear 6 moves to the left side or the right side below the through hole 9, the sliding shaft 7 can move right or left to squeeze the clamping block 38 to swing by a certain angle, the shifting piece 34 can be clamped when the clamping block 38 swings, meanwhile, the sliding shaft 7 can be clamped by the clamping block 38, the first sliding block 4 is prevented from moving left and right, the headgear 6 can be fixed, when traction is not needed, the connecting rod 35 can be shifted downwards to drive the shifting piece 34 to swing, the clamping block 38 can be popped up to reset due to the elastic action of the tension spring 37 and is not clamped by the shifting piece 34, the first limiting block 36 and the second limiting block 39 can control the swinging range of the shifting piece 34 and the clamping block 38, and the rotating shaft 49 can be clamped by the clamping block 38.
When drawing the head, the distance that will the rebound according to patient's the condition head protective equipment 6 of difference is different, probably when the upward migration distance of head protective equipment 6 is great, head protective equipment 6 will break away from the bed board of nursing bed 1, so can stimulate slide 44 right, drive guide block 42 through soft rope 43 and move right, make slide 44 right-hand member can contact with the bed board of nursing bed 1 always, just so can prevent that head protective equipment 6 from breaking away from with the bed board of nursing bed 1, make the cervical vertebra position have more the sense of security.
The worker can rotate the second wheel 51 counterclockwise to rotate the rotating shaft 49 and further rotate the gear 50, thereby moving the rack 48 to the right, the rack 48 will move the slide plate 44 to the right, and when the slide plate 44 contacts the bed board of the nursing bed 1, the worker stops rotating the second wheel 51. When the traction is not needed, the second wheel 51 is controlled to rotate clockwise to drive the gear 50 to rotate anticlockwise so as to drive the rack 48 and the sliding plate 44 to move leftwards, and when the sliding plate 44 moves leftwards to a proper position, the second wheel 51 stops rotating, so that the head protector 6 can move downwards.
The above-mentioned embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and therefore, all equivalent changes made by the contents of the claims of the present invention should be included in the claims of the present invention.