CN111956382B

CN111956382B - Orthopedic traction bed

Info

Publication number: CN111956382B
Application number: CN202010903401.3A
Authority: CN
Inventors: 宁凡友; 许海燕; 赵子龙; 牛素玲; 夏凯; 王楠
Original assignee: Luoyang Orthopedic Traumatological Hospital of Henan Orthopedic Hospital
Current assignee: Luoyang Orthopedic Traumatological Hospital of Henan Orthopedic Hospital
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2022-04-19
Anticipated expiration: 2040-09-01
Also published as: CN111956382A

Abstract

An orthopedic traction bed, wherein the rear side of a fixed bed plate is hinged with an upward-turnable bed plate, a key-shaped groove is internally provided with a closing plate which can be moved to the rear side in the bed body, the front side in the bed body is provided with a limiting column which can move to the inner side of the key-shaped groove along with the movement of the closing plate, the left side and the right side of the fixed plate are respectively hinged with a guard plate which can be turned upward along with the movement of the closing plate, and the inner sides of the two guard plates are respectively provided with a foldable traction frame; when in use, the device can block the patient by abutting against the perineum of the patient, limit the body of the patient and prevent the body of the patient from shifting when the limb of the patient is pulled; the protective plates on the two sides can be turned upwards to be in a vertical state when the sealing plate moves towards the rear side, the traction frame on the inner side of the protective plates can be unfolded and assembled according to the needs of a user, and the user can install a device for pulling the limbs of the patient conveniently.

Description

Orthopedic traction bed

Technical Field

The invention relates to the field of medical equipment, in particular to an orthopedic traction bed.

Background

The traction therapy is realized by a traction device, the weight of the suspension is traction force, the weight is reaction force, the purposes of relieving muscle tension and strong contraction, reducing fracture and dislocation, preventing and correcting soft tissue contracture, and a treatment method for preoperative tissue release and postoperative braking of certain diseases are achieved, the traction device is mainly used for treating certain diseases of limbs and spines, the traction weight is proper when a patient is subjected to traction, the traction force is too heavy, the fracture end is easy to separate, and delayed union or nonunion of fracture is caused; if the traction force is insufficient, the purpose of resetting and fixing cannot be achieved; at present, a patient usually lies on an existing traction table during clinical treatment, a traction frame and a traction tool are arranged on the traction table to pull the patient, operation is very troublesome, treatment time is wasted, and the traction force cannot be accurately adjusted according to needs during traction of limbs of the patient.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the orthopedic traction bed, which effectively solves the problems that the operation and the use of the existing traction bed are very troublesome and waste treatment time, and the traction force can not be accurately adjusted according to the requirement when the limb of a patient is pulled.

In order to solve the problems, the invention adopts the technical scheme that:

the orthopedic traction bed comprises a bed body, wherein a fixed bed board is fixedly connected to the front side of the upper end of the bed body, an overturning bed board capable of overturning upwards is hinged to the rear side of the fixed bed board, a key-shaped groove is formed in the surface of the upper end of the fixed bed board, a sealing plate capable of moving to the rear side of the interior of the bed body is installed in the key-shaped groove, a limiting column capable of moving to the inner side of the key-shaped groove along with the movement of the sealing plate is installed on the front side of the interior of the bed body, guard plates capable of overturning upwards along with the movement of the sealing plate are hinged to the left side and the right side of the fixed bed board respectively, and foldable traction frames are installed on the inner sides of the two guard plates respectively; the front end and the rear end of the bed body are respectively provided with a pressurizing box capable of moving left and right, and a force applying device is arranged in the pressurizing box;

the boosting device comprises a grooved wheel, the grooved wheel is rotationally connected to the inner wall of the pressurizing box, a driving thumb wheel is meshed to the left side of the grooved wheel, a connecting shaft is fixedly connected to the middle of the driving thumb wheel, the other end of the connecting shaft penetrates through the pressurizing box, and a boosting handle is fixedly connected to the outer end of the connecting shaft; the rear side of the middle of the grooved wheel is fixedly connected with a tension groove plate, the inside of the pressurizing box is slidably connected with a tension sliding plate, the front end of the tension sliding plate is fixedly connected with a tension shaft, the tension shaft is slidably connected with the tension groove plate, the upper end of the tension sliding plate is fixedly connected with a tension spring, the upper end of the tension spring is fixedly connected with a connecting sliding plate, the upper end of the connecting sliding plate is fixedly connected with a connecting hook, and the upper end of the connecting hook protrudes out of the upper side of the pressurizing box.

Preferably, a movable pull frame is arranged on the lower side of the closing plate and is slidably connected to the bottom surface of the fixed bed plate, guide pull rods are hinged to the left and right sides of the front end and the rear end of the lower side of the closing plate respectively, the lower ends of the guide pull rods are hinged to the inner side surface of the movable pull frame respectively, a connecting rack is fixedly connected to the lower side of the movable pull frame, a rotatable driving gear is meshed to the rear side of the lower end of the connecting rack, a first bevel gear is coaxially and fixedly connected to the left side of the driving gear, a second bevel gear is meshed to the lower side of the first bevel gear, a motor is fixedly connected to the lower side of the second bevel gear, and the motor is fixedly connected to the bottom end inside the bed body;

the left and right sides of closing plate rear end is provided with first deflector respectively, first deflector with fixed bed board fixed connection, the surface of first deflector is provided with first guide way respectively, the front end of first guide way is the side bend that makes progress, two of closing plate rear end the guide pull rod with the pin joint's of closing plate outside coaxial rotation respectively is connected with the leading wheel, the leading wheel respectively with first guide way sliding connection.

Preferably, the front sides of the two movable pull frames are respectively and fixedly connected with a linkage groove plate, the left side and the right side of the lower side of the limiting column are respectively and fixedly connected with a guide rod, and the surface of each guide rod is in sliding connection with the linkage groove plate; second guide plates are respectively arranged on the left side and the right side of the movable pull frame, the second guide plates are fixedly connected with the fixed bed plate, the driving gear is rotatably connected to the inner sides of the two second guide plates, second guide grooves are respectively formed in the surfaces of the second guide plates, and the surfaces of the guide rods are respectively connected with the inner walls of the second guide grooves in a sliding manner; when the movable pull frame moves, the limiting column can be pulled to move under the effect of sliding connection of the linkage groove plate and the guide rod, and when the limiting column moves, the limiting column moves to the upper side of the fixed bed plate upwards after moving for a certain distance along with the track of the second guide groove;

the lower end of the limiting column is upwards provided with a sliding hole, the inner wall of the sliding hole is connected with a limiting sliding rod in a sliding mode, and the lower end of the limiting sliding rod is connected with the lower end of the inside of the bed body in a sliding mode.

Preferably, the lower sides of the left end and the right end of the movable pull frame are respectively fixedly connected with a connecting rod, the outer ends of the connecting rods are respectively fixedly connected with a transmission rack, the upper side of the transmission rack is engaged with a linkage gear, the linkage gear is rotatably connected to the surface of the second guide plate, the middle part of the linkage gear is fixedly connected with a transmission worm, the upper side of the transmission worm is engaged with a transmission worm wheel, the middle part of the transmission worm wheel is fixedly connected with a transmission rod, and the two ends of the transmission rod are respectively rotatably connected to the inner wall of the bed body;

the both sides of transfer line fixedly connected with drive thumb wheel respectively, the outside of drive thumb wheel is installed respectively and is followed the drive thumb wheel rotates and connects the tooth piece on the outside removal, go up connect the tooth piece with both ends inner wall sliding connection around the bed body, the outer end of going up connecting the tooth piece articulates respectively has the transition pole, the other end of transition pole articulates respectively has the backup pad, the other end of backup pad respectively with backplate fixed connection.

Preferably, a lower connecting tooth block is meshed with the lower side of the upper connecting tooth block, guide blocks are respectively arranged on the outer sides of the lower connecting tooth block, the guide blocks are respectively and fixedly connected with the inner wall of the bed body, and when the lower connecting tooth block moves towards the right side and is contacted with the guide blocks, a structure that the lower connecting tooth block moves towards the lower side while moving towards the outer side can be formed;

the left side and the right side of the front end and the rear end in the bed body are respectively connected with a limiting frame capable of moving left and right in a sliding manner, the left side and the right side in the limiting frame are respectively fixedly connected with a sliding rod, the surface of the sliding rod is sleeved with a connecting spring, and the lower connecting tooth block is connected with the surface of the sliding rod in a sliding manner; the inner sides of the driving thumb wheels are respectively hinged with a pushing rod, the other ends of the pushing rods are respectively hinged with a supporting sliding block, the surface of the lower connecting tooth block is provided with a supporting sliding groove, the supporting sliding block is in sliding connection with the supporting sliding groove, the upper end of the supporting sliding block is fixedly connected with a supporting spring, and the upper end of the supporting spring is fixedly connected with the inner wall of the supporting sliding groove;

the lower end of the lower connecting tooth block is fixedly connected with a lower groove plate, the surface of the upper connecting tooth block is hinged with a stop connecting rod, and the lower end of the stop connecting rod is connected with the lower groove plate in a sliding mode.

Preferably, the front end and the rear end of the bed body are respectively fixedly connected with a mounting plate, the pressurizing box is slidably connected to the surface of the mounting plate, the middle part of the mounting plate is fixedly connected with a limit rack, the surface of the left end of the pressurizing box is slidably connected with a limit toothed plate, and the limit toothed plate is meshed with the limit rack; the upper side and the lower side of the right end of the limiting toothed plate are fixedly connected with limiting sliding blocks respectively, the surface of each limiting sliding block is connected with an installation sliding groove box in a sliding mode, a first reset spring is arranged inside the installation sliding groove box, and two ends of the first reset spring are fixedly connected with the limiting sliding blocks and the inner wall of the installation sliding groove box respectively.

Preferably, the traction frame comprises a telescopic rod and support cylinders, the two support cylinders are respectively rotatably connected to the front side and the rear side of the guard plate, a support inner rod capable of moving up and down is slidably connected inside the support cylinders, a plurality of positioning holes are formed in the surface of the support inner rod, and the other end of each support cylinder is connected with a positioning bolt capable of being matched with the positioning hole through threads; the other end of each support inner rod is hinged with a lengthened inner rod, the surfaces of the two lengthened inner rods are connected with a support outer cylinder in a sliding mode, two ends of the surface of the support outer cylinder are connected with fixing bolts through threads, and fixing holes capable of being matched with the fixing bolts are formed in the surface of the other end of each lengthened inner rod;

two the slide has been seted up on the surface of support urceolus, the surperficial a plurality of internal thread section of thick bamboo of fixedly connected with respectively of pole in the extension, the both ends of telescopic link be provided with respectively can with internal thread section of thick bamboo threaded connection's connector, the one end and one of telescopic link connector fixed connection, the other end of telescopic link articulates there is the connection commentaries on classics board, connect the other end and another of commentaries on classics board connector fixed connection.

Preferably, the front side and the rear side of the inner ends of the two guard plates are fixedly connected with a coil spring box respectively, a reset coil spring is arranged in the coil spring box, the outer end of the reset coil spring is fixed with the inner wall of the coil spring box, the middle part of the coil spring box is rotatably connected with an inner shaft, the inner end of the reset coil spring is fixedly connected with the surface of the inner shaft, the surface of the inner shaft is fixedly connected with a ratchet wheel, the upper side of the ratchet wheel is engaged with a stop ratchet block, and the upper side of the stop ratchet block is in sliding connection with the surface of the guard plate; the outer end of the inner shaft is fixedly connected with the supporting cylinder;

the surface of the guard plate, which is in contact with the stop ratchet block, is provided with an installation sliding groove, an installation sliding block is connected inside the installation sliding groove in a sliding manner, the installation sliding block is fixedly connected with the stop ratchet block, a second reset spring is arranged inside the installation sliding groove, and two ends of the second reset spring are respectively fixedly connected with the installation sliding block and the inner wall of the installation sliding groove; the inner sides of the guard plates are respectively provided with a control rod, and the front end and the rear end of each control rod are respectively fixedly connected with the stop ratchet block;

two the inner of backplate is fixedly connected with protection box respectively, the upper end of protection box articulates there is the shrouding, the other end of going up the shrouding articulates there is fixed apron, the other end fixed surface of fixed apron is connected with the magnetic plate, the outer end fixed surface of backplate be connected with can with the magnetic plate attraction's magnetic plate.

Preferably, the left and right sides of the internal portion lower extreme of bed articulates respectively has upset branch, the upper end of upset branch articulates there is the upset slider, the upset slider with upset bed board bottom sliding connection, two upset actuating lever of the inboard fixedly connected with of lower extreme of upset branch, the fixed surface of upset actuating lever is connected with the upset worm wheel, the downside meshing of upset worm wheel has the upset worm, the upset worm rotates to be connected the internal portion lower extreme of bed, the front end of upset worm runs through the bed body and the front end fixedly connected with upset carousel of upset worm.

The invention has novel structure, ingenious conception and simple and convenient operation, and compared with the prior art, the invention has the following advantages:

1. when the device is used, the sealing plate can be controlled to move downwards to the lower side of the fixed bed plate and move backwards to the rear side of the interior of the bed body, meanwhile, the limiting column can move backwards to the lower side of the key-shaped groove and then move upwards, moves to the upper side of the key-shaped groove through the key-shaped groove and abuts against the perineum of a patient to block the patient, so that the body of the patient is limited, and the body of the patient is prevented from moving when the limbs of the patient are pulled;

2. the protective plates on the two sides can be upwards turned to be in a vertical state while the sealing plate moves towards the rear side, the traction frame on the inner side of the protective plate can be unfolded and assembled according to the needs of a user, the device for pulling the limbs of a patient can be conveniently installed by the user, and the traction frame can be folded and retracted to the inner side of the protective plate when the patient is not pulled, so that the device is convenient to store, convenient to take by the user at any time, simple and convenient;

3. the force application device arranged by the device can adjust the force applied to the patient to pull according to the requirement when the limb of the patient is pulled, and has wide application range and various functions.

Drawings

Fig. 1 is a first schematic view of the overall structure of the orthopedic traction bed of the invention.

Fig. 2 is a second schematic view of the overall structure of the orthopedic traction bed of the invention.

Fig. 3 is a schematic view of the internal structure of the bed body of the orthopedic traction bed of the invention.

Fig. 4 is a schematic diagram of the turning structure of the turning bed plate of the orthopedic traction bed.

Fig. 5 is a first schematic view of a closing plate moving structure of the orthopedic traction bed of the invention.

Fig. 6 is a second schematic view of the closing plate moving structure of the orthopedic traction bed of the invention.

Fig. 7 is an exploded view of the movement structure of the turning plate of the orthopedic traction bed of the present invention.

Fig. 8 is a schematic structural view of a first guide groove of the orthopedic traction bed of the invention.

Fig. 9 is a schematic structural view of a second guide groove of the orthopedic traction bed of the invention.

Fig. 10 is a schematic view of the engagement structure of the upper connecting tooth block and the lower connecting tooth block of the orthopedic traction bed of the invention.

Fig. 11 is a schematic view of the protective plate turning structure of the orthopedic traction bed of the present invention.

Fig. 12 is a schematic view of the lower connecting tooth block mounting structure of the orthopedic traction bed of the present invention.

Fig. 13 is a schematic view of the movement structure of the lower connecting tooth block of the orthopedic traction bed of the present invention.

Fig. 14 is a schematic view of a pressurizing box mounting structure of the orthopedic traction bed of the invention.

Fig. 15 is a schematic structural view of a force application device of the orthopedic traction bed of the invention.

Fig. 16 is a schematic view of the mounting structure of the limiting toothed plate of the orthopedic traction bed of the invention.

Fig. 17 is a schematic view of a supporting cylinder mounting structure of the orthopedic traction bed of the invention.

Fig. 18 is a first schematic view of the folding structure of the traction frame of the orthopedic traction bed of the invention.

Fig. 19 is a second schematic view of the folding structure of the traction frame of the orthopedic traction bed of the invention.

Fig. 20 is a schematic view of the expansion structure of the traction frame of the orthopedic traction bed of the invention.

Fig. 21 is a schematic view of a guard plate mounting structure of the orthopedic traction bed of the invention.

Fig. 22 is a schematic view of the connection structure of the expansion link of the orthopedic traction bed of the invention.

Reference numbers in the figures: 1-bed body, 2-fixed bed plate, 3-turnover bed plate, 4-traction frame, 5-turnover support rod, 6-turnover slide block, 7-turnover driving rod, 8-turnover worm, 9-turnover rotary table, 10-turnover worm gear, 11-closing plate, 12-movable pull frame, 13-first guide plate, 14-guide pull rod, 15-guide wheel, 16-linkage groove plate, 17-second guide plate, 18-limiting column, 19-guide rod, 20-second guide groove, 21-transmission rack, 22-linkage gear, 23-transmission worm, 24-transmission worm gear, 25-connection rack, 26-driving gear, 27-first bevel gear, 28-second bevel gear, 29-motor, 30-driving shifting wheel, 31-push rod, 32-lower connecting tooth block, 33-upper connecting tooth block, 34-transition rod, 35-supporting plate, 36-protective plate, 37-lower groove plate, 38-stop connecting rod, 39-limiting frame, 40-sliding rod, 41-connecting spring, 42-guiding block, 43-supporting sliding block, 44-supporting spring, 45-mounting plate, 46-stop rack, 47-pressurizing box, 48-stop toothed plate, 49-mounting sliding groove box, 50-first return spring, 51-driving shifting wheel, 52-grooved wheel, 53-tension groove plate, 54-tension sliding plate, 55-tension shaft, 56-tension spring, 57-connecting sliding plate, 58-connecting hook, 59-indicating plate (59), 60-force application handle, 61-support cylinder, 62-ratchet wheel, 63-coil spring box, 64-reset coil spring, 65-stop ratchet block, 66-second reset spring, 67-support outer cylinder, 68-protection box, 69-upper sealing plate, 70-fixed cover plate, 71-magnetic force plate, 72-control rod, 73-telescopic rod, 74-lengthened inner rod, 77-internal thread cylinder, 78-connector, 79-connecting rotating plate, 80-fixing bolt, 81-support inner rod, 82-first guide groove and 84-positioning bolt.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 22, the invention provides an orthopedic traction bed, which comprises a bed body 1, wherein a fixed bed plate 2 is fixedly connected to the front side of the upper end of the bed body 1, a turnover bed plate 3 capable of turning upwards is hinged to the rear side of the fixed bed plate 2, a key-shaped groove is formed in the upper end surface of the fixed bed plate 2, a closing plate 11 capable of moving to the rear side inside the bed body 1 is installed in the key-shaped groove, a limit column 18 capable of moving to the inner side of the key-shaped groove along with the movement of the closing plate 11 is installed on the front side inside the bed body 1, guard plates 36 capable of turning upwards along with the movement of the closing plate 11 are hinged to the left side and the right side of the fixed bed plate 2 respectively, and foldable traction frames 4 are installed on the inner sides of the two guard plates 36 respectively; the front end and the rear end of the bed body 1 are respectively provided with a pressurizing box 47 capable of moving left and right, and a force applying device is arranged in the pressurizing box 47.

In the device, the closing plate 11 is used for closing the key-shaped groove to ensure that the fixed bed board 2 keeps a plane, and the limiting column 18 is used for blocking the perineum part of the patient so as to limit the body position of the patient; when the device is used, the device can move downwards to the lower side of the fixed bed board 2 and move backwards to the back side of the inside of the bed body 1 through controlling the closing board 11, meanwhile, the limit column 18 can move backwards to the lower side of the key-shaped groove and then move upwards, the limit column moves to the upper side of the key-shaped groove through the key-shaped groove and abuts against the perineum of a patient to block the patient, the guard plates 36 on the two sides can upwards overturn to a vertical state along with the closing board 11 moving backwards, the traction frame 4 on the inner side of the guard plate 36 can be unfolded and assembled according to the needs of a user, a device for pulling the limbs of the patient can be conveniently installed by the user, the traction frame 4 can be folded and retracted to the inner side of the guard plate 36 when the patient is not pulled, the device is convenient to store and is convenient for the user to take at any time, the device is simple and convenient, the limit column 18 and the guard plates 36 can be driven to reset again through controlling the closing board 11 after the patient pulls, the patient can have a rest conveniently, and the use is simple; when the limb of the patient is pulled, one end of the traction device can be connected with the force applying device, and the force applying device can be controlled to adjust the force for pulling the patient according to the requirement, so that the traction device has wide application range and various functions; the surface of the limiting column 18 is fixedly connected with an elastic rubber sleeve for enhancing the comfort when the patient is blocked and avoiding discomfort to the patient; the lower extreme surface four corners of the bed body 1 is fixedly connected with landing leg respectively, and the lower extreme of landing leg is fixedly connected with service brake universal wheel respectively for it is fixed with to assist this device to remove.

A movable pull frame 12 is arranged on the lower side of the closing plate 11, the movable pull frame 12 is slidably connected to the bottom surface of the fixed bed plate 2, guide pull rods 14 are respectively hinged to the left and right sides of the front and rear ends of the lower side of the closing plate 11, the lower ends of the guide pull rods 14 are respectively hinged to the inner side surface of the movable pull frame 12, a connecting rack 25 is fixedly connected to the lower side of the movable pull frame 12, a rotatable driving gear 26 is meshed to the rear side of the lower end of the connecting rack 25, a first bevel gear 27 is coaxially and fixedly connected to the left side of the driving gear 26, a second bevel gear 28 is meshed to the lower side of the first bevel gear 27, a motor 29 is fixedly connected to the lower side of the second bevel gear 28, and the motor 29 is fixedly connected to the bottom end inside the bed body 1;

the left and right sides of the rear end of the closing plate 11 are respectively provided with a first guide plate 13, the first guide plate 13 is fixedly connected with the fixed bed plate 2, the surface of the first guide plate 13 is respectively provided with a first guide groove 82, the front end of the first guide groove 82 is bent upwards, two guide pull rods 14 at the rear end of the closing plate 11 are respectively coaxially connected with guide wheels 15 in a rotating manner, and the guide wheels 15 are respectively connected with the first guide grooves 82 in a sliding manner.

As shown in fig. 6, 7 and 8, when the guide wheel 15 slides inside the portion where the front end of the first guide groove 82 is bent upward, the closing plate 11 is located inside the key groove and remains flat with the fixed bed plate 2, the driving gear 26 is driven to rotate after the motor 29 rotates through the steering and transmission of the first bevel gear 27 and the second bevel gear 28, the moving carriage 12 is driven to move to the rear side by the engagement with the connecting rack 25 when the driving gear 26 rotates, the moving carriage 12 can be pulled by the pulling of the guide pull rod 14 when the moving carriage 12 moves, and the two guide pull rods 14 at the rear end of the closing plate 11 first drive the closing plate 11 to move downward and then drive the closing plate 11 to move to the rear side when the moving carriage 12 moves, and the effect that the closing plate 11 first moves downward to be separated from the key groove and then moves rearward to be separated from the key groove is achieved, the guide wheel 15 is used to enhance the sliding effect when the guide rod 14 is connected to the first guide groove 82.

The front sides of the two movable pull frames 12 are respectively and fixedly connected with an interlocking groove plate 16, the left side and the right side of the lower side of the limiting column 18 are respectively and fixedly connected with a guide rod 19, and the surface of the guide rod 19 is in sliding connection with the interlocking groove plate 16; the left side and the right side of the movable pull frame 12 are respectively provided with a second guide plate 17, the second guide plates 17 are fixedly connected with the fixed bed board 2, the driving gear 26 is rotatably connected to the inner sides of the two second guide plates 17, the surfaces of the second guide plates 17 are respectively provided with a second guide groove 20, and the surfaces of the guide rods 19 are respectively connected with the inner walls of the second guide grooves 20 in a sliding manner;

the lower end of the limiting column 18 is upwards provided with a sliding hole, the inner wall of the sliding hole is connected with a limiting sliding rod in a sliding mode, and the lower end of the limiting sliding rod is connected with the lower end inside the bed body 1 in a sliding mode.

As shown in fig. 5 and 9, when the movable pull frame 12 moves, the limit post 18 can be pulled to move under the effect of the sliding connection between the linking groove plate 16 and the guide rod 19, when the limit post 18 moves, the limit post moves upwards to the upper side of the fixed bed plate 2 after moving for a certain distance along with the track of the second guide groove 20, and then moves to the rear side of the key groove along with the track, and the limit slide rod is used for limiting the limit post 18 and keeping the stability of the limit post 18 during moving.

The lower sides of the left end and the right end of the movable pull frame 12 are respectively fixedly connected with a connecting rod, the outer ends of the connecting rods are respectively fixedly connected with a transmission rack 21, the upper side of the transmission rack 21 is engaged with an interlocking gear 22, the interlocking gear 22 is rotationally connected to the surface of the second guide plate 17, the middle part of the interlocking gear 22 is fixedly connected with a transmission worm 23, the upper side of the transmission worm 23 is engaged with a transmission worm wheel 24, the middle part of the transmission worm wheel 24 is fixedly connected with a transmission rod, and two ends of the transmission rod are respectively rotationally connected to the inner wall of the bed body 1;

the both sides of transfer line fixedly connected with drive thumb wheel 30 respectively, the outside of drive thumb wheel 30 is installed respectively and is followed drive thumb wheel 30 rotates and connects tooth piece 33 on the outside removal, go up connect tooth piece 33 with both ends inner wall sliding connection before the bed body 1, the outer end of going up connect tooth piece 33 articulates respectively has transition pole 34, the other end of transition pole 34 articulates respectively has backup pad 35, the other end of backup pad 35 respectively with backplate 36 fixed connection.

As shown in fig. 9, a moving channel is opened backwards on the lower side of the surface of the second guide plate 17, the outer end of the connecting rod is fixedly connected with the transmission rack 21 through the moving channel, when the moving pull frame 12 moves backwards, the transmission worm 23 can be driven to rotate by the meshing between the transmission rack 21 and the linkage gear 22, the transmission rod is driven to rotate by the meshing between the transmission worm 23 and the transmission worm wheel 24, the driving dial wheels 30 on both sides are driven to rotate when the transmission rod rotates, the upper connecting toothed block 33 is driven to move outwards when the driving dial wheels 30 rotate, and the guard plate 36 can be pushed to rotate upwards by the transmission of the transition rod 34 when the upper connecting toothed block 33 moves outwards.

A lower connecting tooth block 32 is meshed with the lower side of the upper connecting tooth block 33, guide blocks 42 are respectively arranged on the outer sides of the lower connecting tooth blocks 32, the guide blocks 42 are respectively fixedly connected with the inner wall of the bed body 1, and when the lower connecting tooth block 32 moves towards the right side and contacts with the guide blocks 42, a structure that the lower connecting tooth block 32 moves towards the lower side while moving towards the outer side is formed;

the left side and the right side of the front end and the rear end in the bed body 1 are respectively connected with a limiting frame 39 capable of moving left and right in a sliding manner, the left side and the right side in the limiting frame 39 are respectively fixedly connected with a sliding rod 40, a connecting spring 41 is sleeved on the surface of the sliding rod 40, and the lower connecting tooth block 32 is connected with the surface of the sliding rod 40 in a sliding manner; the inner sides of the driving thumb wheels 30 are respectively hinged with a pushing rod 31, the other ends of the pushing rods 31 are respectively hinged with a supporting sliding block 43, the surface of the lower connecting tooth block 32 is provided with a supporting sliding groove, the supporting sliding block 43 is in sliding connection with the supporting sliding groove, the upper end of the supporting sliding block 43 is fixedly connected with a supporting spring 44, and the upper end of the supporting spring 44 is fixedly connected with the inner wall of the supporting sliding groove;

the lower end of the lower connecting tooth block 32 is fixedly connected with a lower groove plate 37, the surface of the upper connecting tooth block 33 is hinged with a stop connecting rod 38, and the lower end of the stop connecting rod 38 is connected with the lower groove plate 37 in a sliding manner.

The limiting frame 39 is used for installing the lower connecting tooth block 32 and ensuring that the lower connecting tooth block 32 can move up, down, left and right, and the connecting spring 41 is used for supporting the lower connecting tooth block 32 to be meshed with the upper connecting tooth block 33; in order to ensure that the guard plate 36 can be fully turned upwards to the vertical state, the pushing force generated when the driving dial wheel 30 rotates is larger than the force required when the guard plate 36 is turned upwards, the lower connecting toothed block 32 is pushed to move by the pushing rod 31 when the driving dial wheel 30 rotates and drives the upper connecting toothed block 33 to move by being meshed with the upper connecting toothed block 33, the lower connecting toothed block 32 moves downwards by being meshed with the guide block 42 and is disengaged from the upper connecting toothed block 33 when the driving dial wheel 30 continues to rotate to push the guard plate 36 to the vertical state of turning upwards, so that the guard plate 36 is not influenced when the driving dial wheel 30 continues to rotate, the lower connecting toothed block 32 continues to move until the driving dial wheel 30 is not rotating, the stop connecting rod 38 slides upwards on the surface of the lower groove plate 37 when the lower connecting toothed block 32 continues to move, the stop connecting rod 38 is used for connecting with the lower connecting toothed block 32, the upper connecting tooth block 33 is fixed by the blocking of the lower groove plate 37, so that the stability of the guard plate 36 is maintained; the upper side of the outer end of the lower connecting tooth block 32 is provided with an inclined surface, the lower side of the inner end of the guide block 42 is provided with the same inclined surface, the lower connecting tooth block 32 is in contact with the inclined surface at the inner end of the guide block 42 through the inclined surface and pushes the lower connecting tooth block 32 to move downwards, the lower connecting tooth block 32 can extrude the supporting spring 44 when moving downwards, the supporting slide block 43 moves upwards to push the supporting spring 44 to extrude, the connecting spring 41 can push the lower connecting tooth block 32 to be re-meshed with the upper connecting tooth block 33 when the thumb wheel 30 is driven, the supporting slide block 43 drives one end of the push rod 31 to reset under the pushing of the supporting spring 44, and the supporting spring 44 is used for keeping the stability of the acting point of the lower connecting tooth block 32 pushed by the push rod 31 when the thumb wheel 30 rotates.

The boosting device comprises a grooved wheel 52, the grooved wheel 52 is rotatably connected to the inner wall of the pressurizing box 47, the left side of the grooved wheel 52 is engaged with a driving thumb wheel 51, the middle part of the driving thumb wheel 51 is fixedly connected with a connecting shaft, the other end of the connecting shaft penetrates through the pressurizing box 47, and the outer end of the connecting shaft is fixedly connected with a boosting handle 60; a tension groove plate 53 is fixedly connected to the rear side of the middle part of the grooved wheel 52, a tension sliding plate 54 is slidably connected to the inside of the pressurizing box 47, a tension shaft 55 is fixedly connected to the front end of the tension sliding plate 54, the tension shaft 55 is slidably connected to the tension groove plate 53, a tension spring 56 is fixedly connected to the upper end of the tension sliding plate 54, a connecting sliding plate 57 is fixedly connected to the upper end of the tension spring 56, a connecting hook 58 is fixedly connected to the upper end of the connecting sliding plate 57, and the upper end of the connecting hook 58 protrudes out of the upper side of the pressurizing box 47;

the front end and the rear end of the bed body 1 are respectively fixedly connected with a mounting plate 45, the pressurizing box 47 is slidably connected to the surface of the mounting plate 45, the middle part of the mounting plate 45 is fixedly connected with a limiting rack 46, the left end surface of the pressurizing box 47 is slidably connected with a limiting toothed plate 48, and the limiting toothed plate 48 is meshed with the limiting rack 46; the upper side and the lower side of the right end of the limiting toothed plate 48 are fixedly connected with limiting sliding blocks respectively, the surface of each limiting sliding block is connected with an installation sliding groove box 49 in a sliding mode, a first reset spring 50 is arranged inside each installation sliding groove box 49, and two ends of each first reset spring 50 are fixedly connected with the inner walls of the limiting sliding blocks and the installation sliding groove boxes 49 respectively.

The upper end of the pressurizing box 47 is provided with a through hole, the connecting hook 58 protrudes out of the upper side of the pressurizing box 47 through the through hole, and the connecting hook 58 is used for connecting a traction device of a patient; the surface of the grooved wheel 52 is provided with a plurality of locking arcs capable of being meshed with the driving thumb wheel 51, the driving thumb wheel 51 is meshed with the locking arcs to self-lock the grooved wheel 52 and prevent the grooved wheel 52 from reversing, the driving thumb wheel 51 can be driven to rotate by rotating the stressing handle 60 when in use, the driving thumb wheel 51 can be meshed with the grooved wheel 52 to drive the grooved wheel 52 to intermittently rotate when rotating, and drive the tension groove plate 53 to rotate and drive the tension sliding plate 54 to move up and down through the tension groove plate 53, the tension groove plate 53 can pull the connecting sliding plate 57 to move down through the tension spring 56 when moving down, the tension spring 56 plays a role of buffering between the tension sliding plate 54 and the connecting sliding plate 57 and prevents the patient from suddenly discomfort when the stressing handle 60 is rotated to apply tension to the patient; when the pressurizing box 47 is controlled to move, the pressurizing box 47 can be temporarily fixed under the meshing action of the limiting toothed plate 48 and the limiting toothed rack 46, when the pressurizing box 47 is moved, the limiting toothed plate 48 can be continuously meshed with the limiting toothed rack 46 under the pushing action of the first return spring 50, the pressurizing box 47 is temporarily fixed, a rectangular through hole is formed in the front end of the pressurizing box 47, the front end of the tension shaft 55 protrudes out of the surface of the pressurizing box 47 through the rectangular through hole, an indicating plate 59 is fixedly connected to the front end of the tension shaft 55, scales are arranged on the surface of the pressurizing box 47, when the tension sliding plate 54 moves, the indicating plate 59 indicates the scales to display the moving distance of the tension sliding plate 54, and a user is assisted to observe the downward moving distance of the tension sliding plate 54 when the stressing handle 60 is rotated to grasp the tension.

The traction frame 4 comprises an expansion link 73 and support cylinders 61, the two support cylinders 61 are respectively rotatably connected to the front side and the rear side of the guard plate 36, a support inner rod 81 capable of moving up and down is slidably connected inside the support cylinders 61, a plurality of positioning holes are formed in the surface of the support inner rod 81, and the other end of each support cylinder 61 is connected with a positioning bolt 84 capable of being matched with the positioning hole through threads; the other end of the support inner rod 81 is hinged with a lengthened inner rod 74, the surfaces of the two lengthened inner rods 74 are connected with a support outer cylinder 67 in a sliding mode, two ends of the surface of the support outer cylinder 67 are connected with fixing bolts 80 through threads, and fixing holes matched with the fixing bolts 80 are formed in the surface of the other end of each lengthened inner rod 74;

two the slide has been seted up on the surface of support urceolus 67, the surface of pole 74 is gone into in the extension is a plurality of internal thread section of thick bamboo 77 of fixedly connected with respectively, the both ends of telescopic link 73 be provided with respectively can with internal thread section of thick bamboo 77 threaded connection's connector 78, the one end and one of telescopic link 73 connector 78 fixed connection, the other end of telescopic link 73 articulates there is connection commentaries on classics board 79, connect the other end and another of commentaries on classics board 79 connector 78 fixed connection.

When the traction frame 4 is folded in the protection box 68, as shown in fig. 18 and 19, when the traction frame 4 is unfolded, as shown in fig. 20, the support inner rod 81 can be connected and fixed with the positioning hole through the positioning bolt 84 when moving up and down in the support cylinder 61 to adjust the height, and the support outer cylinder 67 and the extension inner rod 74 are connected and fixed through the fixing bolt 80 and the fixing hole, so that the extension inner rod 74 cannot slide freely in the support outer cylinder 67, the traction frame 4 can be stable, when the traction frame is used, the connecting head 78 at one end of the telescopic rod 73 can be in threaded connection with the internal thread cylinder 77 on the surface of the extension inner rod 74 on the inner side of the protection plate 36 on one side, the other end of the telescopic rod 73 can be in threaded connection with the internal thread cylinder 77 on the surface of the extension inner rod 74 on the inner side of the protection plate 36 on the other side, and the traction frame 4 can be successfully installed; the slide way is used to provide a passage for the internally threaded barrel 77 to move when the elongate inner rod 74 is moved.

The front side and the rear side of the inner ends of the two guard plates 36 are fixedly connected with a spring box 63 respectively, a return coil spring 64 is arranged in the spring box 63, the outer end of the return coil spring 64 is fixed with the inner wall of the spring box 63, the middle part of the spring box 63 is rotatably connected with an inner shaft, the inner end of the return coil spring 64 is fixedly connected with the surface of the inner shaft, the surface of the inner shaft is fixedly connected with a ratchet wheel 62, the upper side of the ratchet wheel 62 is engaged with a stop ratchet block 65, and the upper side of the stop ratchet block 65 is connected with the surface of the guard plate 36 in a sliding manner; the outer end of the inner shaft is fixedly connected with the support cylinder 61;

an installation sliding groove is formed in the surface of the protection plate 36, which is in contact with the stop ratchet block 65, an installation sliding block is connected inside the installation sliding groove in a sliding mode, the installation sliding block is fixedly connected with the stop ratchet block 65, a second return spring 66 is arranged inside the installation sliding groove, and two ends of the second return spring 66 are fixedly connected with the installation sliding block and the inner wall of the installation sliding groove respectively; the inner sides of the guard plates 36 are respectively provided with a control rod 72, and the front end and the rear end of the control rod 72 are respectively fixedly connected with the stop ratchet block 65;

two the inner of backplate 36 is fixedly connected with protection box 68 respectively, the upper end of protection box 68 articulates there is last shrouding 69, the other end of going up shrouding 69 articulates there is fixed apron 70, the other end fixed surface of fixed apron 70 is connected with magnetic plate 71, the outer end fixed surface of backplate 36 be connected with can with the magnetic plate 71 magnetic plate that attracts.

As shown in fig. 17, the protecting box 68 is used for temporarily preventing the traction frame 4, when the supporting cylinders 61 inside the two protecting plates 36 are turned inside and retracted into the protecting box 68, the restoring coil springs 64 are in a contracted state, when the stopping ratchet blocks 65 are engaged with the ratchet gear, the inner shaft can rotate in one direction, so that the supporting cylinders 61 can only rotate in one direction inside, a user can conveniently take the traction frame 4 into the protecting box 68, the stopping ratchet blocks 65 at two ends of the control rod 72 can be simultaneously disengaged from the ratchet gear by pulling the control rod 72, the two corresponding supporting cylinders 61 can be simultaneously turned to a vertical state under the action of the restoring coil springs 64, and the user can conveniently assemble and fix the traction frame 4; l-shaped blocking frames are respectively arranged on the outer sides of the supporting cylinders 61 and fixedly connected to the surface of the guard plate 36 respectively, and the blocking frames are used for blocking the supporting cylinders 61, preventing the supporting cylinders 61 from being overturned excessively outwards and keeping the stability of the supporting cylinders 61; when the traction frame 4 is completely retracted into the protection box 68, the upper sealing plate 69 and the box fixing cover plate 70 are used for sealing the protection box 68, the traction frame 4 is prevented from falling when the protection plate 36 is turned over to the inside of the bed body 1, and the fixing cover plate 70 is fixed through mutual attraction of the magnetic plates 71 and the magnetic plates and is convenient to open.

The left and right sides of the inside lower extreme of the bed body 1 articulates respectively has upset branch 5, the upper end of upset branch 5 articulates there is upset slider 6, upset slider 6 with 3 bottom sliding connection of upset bed board, two upset actuating lever 7 of the inboard fixedly connected with of lower extreme of upset branch 5, the fixed surface of upset actuating lever 7 is connected with upset worm wheel 10, the downside meshing of upset worm wheel 10 has upset worm 8, upset worm 8 rotates to be connected 1 inside lower extreme of the bed body, the front end of upset worm 8 runs through the bed body 1 and the front end fixedly connected with upset carousel 9 of upset worm 8.

Can rotate through rotating upset carousel 9 drive upset worm 8 when overturning at drive upset bed board 3, and then rotate through driving upset worm wheel 10 and drive upset actuating lever 7 and rotate, alright rotate with the pin joint that makes upset branch 5 use with the internal portion bottom of bed body 1 when upset actuating lever 7 rotates, and then the upper end of upset branch 5 slides in the bottom of upset bed board 3, make upset bed board 3 use the pin joint of upset bed board 3 and fixed bed board 2 to overturn as the center, the upset spout has been seted up respectively to the bottom both sides of upset bed board 3, upset slider 6 and upset spout sliding connection, be used for connecting upset branch 5, the inboard fixedly connected with stabilizer bar of two upset branches 5, stability when being used for strengthening the upset of two upset branches 5.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. Orthopedics traction table, including bed body (1), its characterized in that: the bed comprises a bed body (1), a fixed bed board (2) is fixedly connected to the front side of the upper end of the bed body (1), a turnover bed board (3) capable of turning upwards is hinged to the rear side of the fixed bed board (2), a key-shaped groove is formed in the surface of the upper end of the fixed bed board (2), a sealing plate (11) capable of moving to the rear side of the interior of the bed body (1) is installed in the key-shaped groove, a limiting column (18) capable of moving to the inner side of the key-shaped groove along with the movement of the sealing plate (11) is installed on the front side of the interior of the bed body (1), guard plates (36) capable of turning upwards along with the movement of the sealing plate (11) are hinged to the left side and the right side of the fixed bed board (2) respectively, and a foldable traction frame (4) is installed on the inner sides of the two guard plates (36); the front end and the rear end of the bed body (1) are respectively provided with a pressurizing box (47) capable of moving left and right, and a force applying device is arranged in the pressurizing box (47);

the boosting device comprises a grooved wheel (52), the grooved wheel (52) is rotatably connected to the inner wall of the pressurizing box (47), the left side of the grooved wheel (52) is engaged with a driving thumb wheel (51), the middle part of the driving thumb wheel (51) is fixedly connected with a connecting shaft, the other end of the connecting shaft penetrates through the pressurizing box (47), and the outer end of the connecting shaft is fixedly connected with a boosting handle (60); the middle part rear side fixedly connected with pulling force frid (53) of sheave (52), the inside sliding connection of pressurization box (47) has pulling force slide (54), the front end fixedly connected with pulling force axle (55) of pulling force slide (54), pulling force axle (55) with pulling force frid (53) sliding connection, the upper end fixedly connected with extension spring (56) of pulling force slide (54), the upper end fixedly connected with connection slide (57) of extension spring (56), the upper end fixedly connected with connection couple (58) of connection slide (57), the upper end protrusion of connection couple (58) pressurization box (47) upside.

2. The orthopedic traction bed of claim 1, wherein: a movable pull frame (12) is arranged at the lower side of the closing plate (11), the movable pull frame (12) is connected with the bottom surface of the fixed bed board (2) in a sliding way, the left and right sides of the front and rear ends of the lower side of the closing plate (11) are respectively hinged with a guide pull rod (14), the lower ends of the guide pull rods (14) are respectively hinged with the inner side surface of the movable pull frame (12), a connecting rack (25) is fixedly connected with the lower side of the movable pulling frame (12), a rotatable driving gear (26) is meshed with the rear side of the lower end of the connecting rack (25), a first bevel gear (27) is coaxially and fixedly connected to the left side of the driving gear (26), a second bevel gear (28) is meshed with the lower side of the first bevel gear (27), a motor (29) is fixedly connected to the lower side of the second bevel gear (28), and the motor (29) is fixedly connected with the bottom end inside the bed body (1);

the left and right sides of closing plate (11) rear end is provided with first deflector (13) respectively, first deflector (13) with fixed bed board (2) fixed connection, the surface of first deflector (13) is provided with first guide way (82) respectively, the front end of first guide way (82) is to the side bend, two of closing plate (11) rear end direction pull rod (14) with the outside of the pin joint of closing plate (11) coaxial rotation respectively is connected with leading wheel (15), leading wheel (15) respectively with first guide way (82) sliding connection.

3. The orthopedic traction bed of claim 2, wherein: the front sides of the two movable pull frames (12) are respectively and fixedly connected with a linkage groove plate (16), the left side and the right side of the lower side of the limiting column (18) are respectively and fixedly connected with a guide rod (19), and the surface of the guide rod (19) is in sliding connection with the linkage groove plate (16); second guide plates (17) are respectively arranged on the left side and the right side of the movable pull frame (12), the second guide plates (17) are fixedly connected with the fixed bed plate (2), the driving gear (26) is rotatably connected to the inner sides of the two second guide plates (17), second guide grooves (20) are respectively formed in the surfaces of the second guide plates (17), and the surfaces of the guide rods (19) are respectively connected with the inner walls of the second guide grooves (20) in a sliding manner; when the movable pull frame (12) moves, the limiting column (18) can be pulled to move under the effect of sliding connection of the linkage groove plate (16) and the guide rod (19), and when the limiting column (18) moves, the limiting column moves to the upper side of the fixed bed plate (2) upwards after moving for a certain distance to the rear side along with the track of the second guide groove (20);

the lower end of the limiting column (18) is upwards provided with a sliding hole, the inner wall of the sliding hole is connected with a limiting sliding rod in a sliding mode, and the lower end of the limiting sliding rod is connected with the lower end inside the bed body (1) in a sliding mode.

4. The orthopedic traction bed of claim 3, wherein: the lower sides of the left end and the right end of the movable pull frame (12) are respectively fixedly connected with a connecting rod, the outer ends of the connecting rods are respectively fixedly connected with a transmission rack (21), the upper side of the transmission rack (21) is meshed with a linkage gear (22), the linkage gear (22) is rotatably connected to the surface of the second guide plate (17), the middle part of the linkage gear (22) is fixedly connected with a transmission worm (23), the upper side of the transmission worm (23) is meshed with a transmission worm wheel (24), the middle part of the transmission worm wheel (24) is fixedly connected with a transmission rod, and two ends of the transmission rod are respectively rotatably connected to the inner wall of the bed body (1);

the both sides of transfer line fixedly connected with drive thumb wheel (30) respectively, install respectively in the outside of drive thumb wheel (30) and can follow drive thumb wheel (30) rotate and connect tooth piece (33) on to the outside removal, on connect tooth piece (33) with both ends inner wall sliding connection around the bed body (1), the outer end of going up connection tooth piece (33) articulates respectively has transition pole (34), the other end of transition pole (34) articulates respectively has backup pad (35), the other end of backup pad (35) respectively with backplate (36) fixed connection.

5. The orthopedic traction bed of claim 4, wherein: a lower connecting tooth block (32) is meshed with the lower side of the upper connecting tooth block (33), guide blocks (42) are respectively arranged on the outer sides of the lower connecting tooth block (32), the guide blocks (42) are respectively fixedly connected with the inner wall of the bed body (1), and when the lower connecting tooth block (32) moves towards the right side and is in contact with the guide blocks (42), a structure that the lower connecting tooth block (32) moves towards the outer side and moves towards the lower side simultaneously can be formed;

the left side and the right side of the front end and the rear end in the bed body (1) are respectively connected with a limiting frame (39) capable of moving left and right in a sliding manner, the left side and the right side in the limiting frame (39) are respectively fixedly connected with a sliding rod (40), a connecting spring (41) is sleeved on the surface of the sliding rod (40), and the lower connecting tooth block (32) is connected with the surface of the sliding rod (40) in a sliding manner; the inner sides of the driving thumb wheels (30) are respectively hinged with a pushing rod (31), the other ends of the pushing rods (31) are respectively hinged with a supporting sliding block (43), the surface of the lower connecting tooth block (32) is provided with a supporting sliding groove, the supporting sliding block (43) is in sliding connection with the supporting sliding groove, the upper end of the supporting sliding block (43) is fixedly connected with a supporting spring (44), and the upper end of the supporting spring (44) is fixedly connected with the inner wall of the supporting sliding groove;

the lower end of the lower connecting tooth block (32) is fixedly connected with a lower groove plate (37), the surface of the upper connecting tooth block (33) is hinged with a stop connecting rod (38), and the lower end of the stop connecting rod (38) is in sliding connection with the lower groove plate (37).

6. The orthopedic traction bed of claim 1, wherein: the front end and the rear end of the bed body (1) are respectively fixedly connected with a mounting plate (45), the pressurizing box (47) is connected to the surface of the mounting plate (45) in a sliding manner, the middle part of the mounting plate (45) is fixedly connected with a limiting rack (46), the left end surface of the pressurizing box (47) is connected with a limiting toothed plate (48) in a sliding manner, and the limiting toothed plate (48) is meshed with the limiting rack (46); the upper side and the lower side of the right end of the limiting toothed plate (48) are fixedly connected with limiting sliding blocks respectively, the surface of each limiting sliding block is connected with an installation sliding groove box (49) in a sliding mode, a first reset spring (50) is arranged inside each installation sliding groove box (49), and two ends of each first reset spring (50) are fixedly connected with the limiting sliding blocks and the inner walls of the installation sliding groove boxes (49) respectively.

7. The orthopedic traction bed of claim 1, wherein: the traction frame (4) comprises a telescopic rod (73) and support cylinders (61), the two support cylinders (61) are respectively rotatably connected to the front side and the rear side of the guard plate (36), a support inner rod (81) capable of moving up and down is connected to the inside of each support cylinder (61) in a sliding mode, a plurality of positioning holes are formed in the surface of the support inner rod (81), and the other end of each support cylinder (61) is connected with a positioning bolt (84) capable of being matched with the positioning holes through threads; the other end of each support inner rod (81) is hinged with a lengthened inner rod (74), the surfaces of the two lengthened inner rods (74) are connected with a support outer cylinder (67) in a sliding mode, two ends of the surface of the support outer cylinder (67) are connected with fixing bolts (80) through threads respectively, and fixing holes capable of being matched with the fixing bolts (80) are formed in the surface of the other end of each lengthened inner rod (74);

two the slide has been seted up on the surface of support urceolus (67), the surface of pole (74) in the extension is a plurality of internal thread section of thick bamboo (77) of fixedly connected with respectively, the both ends of telescopic link (73) be provided with respectively can with internal thread section of thick bamboo (77) threaded connection's connector (78), the one end and one of telescopic link (73) connector (78) fixed connection, the other end of telescopic link (73) articulates there is connection commentaries on classics board (79), connect the other end and another of commentaries on classics board (79) connector (78) fixed connection.

8. The orthopedic traction bed of claim 7, wherein: the front side and the rear side of the inner ends of the two guard plates (36) are fixedly connected with a coil spring box (63) respectively, a reset coil spring (64) is arranged in the coil spring box (63), the outer end of the reset coil spring (64) is fixed with the inner wall of the coil spring box (63), the middle part of the coil spring box (63) is rotatably connected with an inner shaft, the inner end of the reset coil spring (64) is fixedly connected with the surface of the inner shaft, the surface of the inner shaft is fixedly connected with a ratchet wheel (62), the upper side of the ratchet wheel (62) is meshed with a stop ratchet block (65), and the upper side of the stop ratchet block (65) is connected with the surface of the guard plate (36) in a sliding manner; the outer end of the inner shaft is fixedly connected with the support cylinder (61);

an installation sliding groove is formed in the surface of the protection plate (36) which is in contact with the stop ratchet block (65), an installation sliding block is connected inside the installation sliding groove in a sliding mode, the installation sliding block is fixedly connected with the stop ratchet block (65), a second reset spring (66) is arranged inside the installation sliding groove, and two ends of the second reset spring (66) are fixedly connected with the installation sliding block and the inner wall of the installation sliding groove respectively; the inner sides of the guard plates (36) are respectively provided with a control rod (72), and the front end and the rear end of each control rod (72) are respectively fixedly connected with the stop ratchet block (65);

two the inner of backplate (36) is fixedly connected with protection box (68) respectively, the upper end of protection box (68) articulates there is last shrouding (69), the other end of going up shrouding (69) articulates there is fixed apron (70), the other end fixed surface of fixed apron (70) is connected with magnetic plate (71), the outer end fixed surface of backplate (36) be connected with can with the magnetic plate that magnetic plate (71) attracted.

9. The orthopedic traction bed of claim 1, wherein: the left and right sides of the inside lower extreme of the bed body (1) articulates respectively has upset branch (5), the upper end of upset branch (5) articulates there is upset slider (6), upset slider (6) with upset bed board (3) bottom sliding connection, two upset actuating lever (7) of the inboard fixedly connected with of lower extreme of upset branch (5), the fixed surface of upset actuating lever (7) is connected with upset worm wheel (10), the downside meshing of upset worm wheel (10) has upset worm (8), upset worm (8) rotate to be connected the inside lower extreme of bed body (1), the front end of upset worm (8) runs through bed body (1) and the front end fixedly connected with upset carousel (9) of upset worm (8).