CN220213180U - Adjustable orthopedic electric traction bed - Google Patents

Abstract

The utility model discloses an adjustable orthopedic electric traction bed, which comprises a bed frame, a motor, an upper traction assembly fixedly connected with one end of the bed frame, a lower traction assembly movably connected with the other end of the bed frame, and a transmission assembly connected between the motor and the lower traction assembly; the transmission assembly comprises a bevel gear pair, a rotating shaft, a first bearing seat, a second bearing seat, a first transmission tooth and a second transmission tooth; wherein, the bevel gear pair is connected between the motor and the rotating shaft; the first bearing seat and the second bearing seat are fixedly connected with the rotating shaft and are respectively and fixedly connected to the left side and the right side of the bedstead; the first transmission gear and the second transmission gear are respectively and fixedly connected to two ends of the rotating shaft and are respectively matched and connected with the lower traction assembly. Compared with the prior art, the transmission device adopts the bevel gear pair to drive the rotating shaft, and the first transmission teeth and the second transmission teeth are recycled for transmission, so that the structure becomes simpler, the space occupation is reduced, the transmission stage number is reduced, and the transmission efficiency is improved.

Description

Adjustable orthopedic electric traction bed

Technical Field

Embodiments of the present utility model relate to a traction table, and more particularly, to an adjustable orthopedic electric traction table.

Background

The traction bed is an orthopedic instrument specially used for traction therapy, belongs to physical therapy, and mainly aims to recover abnormal bones or joints into normal forms by pulling the bones or joints with proper force, is commonly used for diseases such as fracture, intervertebral disc protrusion, joint dislocation or dislocation, and the like, and has the advantages of no wound, remarkable effect, convenient use and the like. Because the traction force required by different patients is different, how to adjust the traction force according to the condition of the patients is a technical problem.

The utility model patent with the publication number of CN 108451684B discloses a multifunctional orthopedic bed therapeutic apparatus for lumbar traction, and the [0022] of the specification discloses: the traction mechanism 77 comprises a main transmission shaft 771, a limiting block 772, a bevel gear 773, a driven gear 774, a driven shaft 775, a supporting plate 775, a crank 776, a crank connecting rod 777, a sprocket middle shaft 778, a sprocket connecting seat 779, a push plate 7710, a guide rod 7711, a sprocket 7712 and a fixed rack 7713; the [0024] of the specification discloses: the main transmission shaft 771 drives the driven shaft 775 to rotate, the driven shaft 775 drives the crank 776 to do circular motion, and the crank 776 is matched with the crank connecting rod 777, so that the push plate 7710 and the traction block 75 horizontally move.

By analyzing the above technology, it is known that the multi-stage transmission (motor-main transmission shaft-driven shaft-crank connecting rod-push plate) is adopted, and the adopted transmission mode is that the circular motion of the crankshaft is converted into the linear motion of the traction block, and the problems of more components, large occupied space and low transmission efficiency are solved.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides an adjustable orthopedic electric traction bed which has adjustable traction force, simple structure and good transmission efficiency.

In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: an adjustable orthopaedics electric traction bed comprises a bed frame, a motor, an upper traction component fixedly connected with one end of the bed frame, a lower traction component movably connected with the other end of the bed frame, and a transmission component connected between the motor and the lower traction component; the transmission assembly comprises a bevel gear pair, a rotating shaft, a first bearing seat, a second bearing seat, a first transmission tooth and a second transmission tooth; wherein, the bevel gear pair is connected between the motor and the rotating shaft; the first bearing seat and the second bearing seat are fixedly connected with the rotating shaft and are respectively and fixedly connected to the left side and the right side of the bedstead; the first transmission gear and the second transmission gear are respectively and fixedly connected to two ends of the rotating shaft and are respectively matched and connected with the lower traction assembly.

In addition, the utility model also provides the following auxiliary technical scheme:

the lower traction assembly comprises a first rack, a second rack, a first vertical plate, a second vertical plate, a lower connecting rod and a lower traction belt; the first rack and the second rack are respectively arranged on the left side and the right side of the bedstead in a sliding manner and are respectively meshed with the first transmission tooth and the second transmission tooth; the first vertical plate is vertically and fixedly arranged on the first rack; the second vertical plate is vertically and fixedly arranged on the second rack; the lower connecting rod is connected between the first vertical plate and the second vertical plate; the lower traction belt is connected with a lower connecting rod. The first vertical plate and the second vertical plate are respectively provided with a plurality of lower hooks which are arranged up and down, and the lower connecting rod can be erected on any one of the hooks. A lower tension meter is arranged between the lower connecting rod and the lower traction belt.

The left side and the right side below the bedstead are respectively provided with a containing groove, and two inner side walls of each containing groove are provided with sliding holes; the two ends of the first rack and the second rack are respectively fixedly provided with a supporting rod, the first rack and the second rack are respectively placed in the accommodating groove, and the supporting rods can be slidably inserted into the sliding holes. The two ends of all the support rods are connected with rolling shafts which are in sliding connection with the sliding holes. The outer end of the support rod is provided with external threads and extends out of the sliding hole to be in threaded connection with a locking nut.

The upper traction assembly comprises a third vertical plate, a fourth vertical plate, an upper connecting rod and an upper traction belt; the third vertical plate and the fourth vertical plate are respectively vertical and fixedly arranged at the left side and the right side of the end part of the bedstead; the upper connecting rod is connected between the third vertical plate and the fourth vertical plate; the upper traction belt is connected to the upper connecting rod.

Compared with the prior art, the utility model has the advantages that: the traction assembly is driven to move by utilizing the torque output by the motor, so that the conventional weight traction is simulated, but the traction force is adjustable because the output torque of the motor is adjustable. In addition, compare with "the circular motion of bent axle converts the rectilinear motion who pulls the piece", this application adopts "bevel gear pair" drive pivot, and the transmission is carried out to "first transmission tooth" and "second transmission tooth" of reuse, and the structure becomes simpler, and space occupation reduces, and transmission progression reduces moreover, and transmission efficiency becomes good.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly introduce the drawings that are needed in the embodiments or related technical descriptions, and it is obvious that the drawings in the following description relate only to some embodiments of the present utility model and are not limiting to the present utility model.

Fig. 1 is a perspective view of an adjustable orthopedic electric traction bed.

Fig. 2 is a schematic view of the structure under the bed frame.

FIG. 3 is a schematic view of a portion of the structure of the transmission assembly and lower traction assembly.

Fig. 4 is a schematic view of the structure of the transmission assembly and the lower traction assembly mounted on the bed frame.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular and non-limiting detailed description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

The adjustable orthopedic electric traction bed of the embodiment is mainly used for lumbar vertebra stretching of patients, and is shown in fig. 1 and 3, and mainly comprises a bed frame 1, a motor 2, a transmission assembly 3, a lower traction assembly 4 and an upper traction assembly 5; the bed frame 1 is a main body structure and is mainly used for treating patients in a lying position; the motor 2 is fixedly arranged below the bed frame 1 and is mainly used for outputting rotary driving force; the transmission assembly 3 is fixedly arranged below the bed frame 1, is connected between the motor 2 and the lower traction assembly 4, and is mainly used for reducing the driving force of the motor 2 and transmitting the driving force to the lower traction assembly 4; the lower traction component 4 is movably arranged at one end (the tail) of the bed frame, is matched with the transmission component 3, and is mainly used for binding and stretching the lumbar of a patient; the upper traction component 5 is fixedly arranged at the other end (the head of a bed) of the bed frame and is mainly used for binding the cervical vertebra or armpit of a patient.

Referring to fig. 2, the bed frame 1 includes a bed board 10 and two bed legs 11. The upper plane of the bed board 10 is a flat plate for the patient to lie down; the lower plane is provided with accommodating grooves 12 extending along the length direction of the bed plate 10 at the left and right sides near the tail end of the bed respectively, sliding holes 13 are arranged on two inner side walls of each accommodating groove 12, the sliding holes 13 near the outer side penetrate out of the bed plate 10, the top of each accommodating groove 12 is provided with a moving hole 14, and the length of the moving hole 14 is approximately half of that of the accommodating groove 12. The two bed legs 11 are respectively and fixedly arranged at the front end and the rear end (the head and the tail) of the bed board 10 and are mainly used for supporting and lifting the bed board 10. The motor 2 is fixedly arranged below the bed board 10, and the motor 2 is a speed reducing motor and adopts a conventional inching control mode, which belongs to the technology known to the person skilled in the art.

Referring to fig. 3 and 4, the transmission assembly 3 includes a bevel gear pair 30, a rotation shaft 31, a first bearing housing 32, a second bearing housing 33, a first transmission gear 34, and a second transmission gear 35; the bevel gear pair 30 is a reduction gear pair and is connected between the motor 2 and the rotating shaft 31, and the intersection angle of the motor shaft and the rotating shaft is 90 degrees; the first bearing seat 32 and the second bearing seat 33 have the same structure, are fixedly connected with the rotating shaft 31, are respectively and fixedly connected to the left side and the right side below the bed board 10 and are positioned between the two accommodating grooves 12, and mainly play a role in connection and support, namely, the transmission assembly 3 is fixedly connected to the lower part of the bed board 10; the first transmission gear 34 and the second transmission gear 35 have the same structure, are respectively and fixedly connected to two ends of the rotating shaft 31, and are respectively positioned under the two accommodating grooves 12. The motor 2 drives the rotating shaft 31 through the bevel gear pair 30, and converts the rotating direction, and the rotating shaft 31 synchronously drives the first transmission gear 34 and the second transmission gear 35, which is only one-stage transmission, i.e., power is transmitted from the motor 2 to the rotating shaft 31.

Referring to fig. 1 and 3, the lower traction assembly 4 includes a first rack 40, a second rack 41, a first riser 42, a second riser 43, a lower connecting rod 44, and a lower traction belt 45.

The first rack 40 and the second rack 41 are straight racks, and support rods 46 are provided on both side surfaces of both end portions of the racks, and each support rod 46 has the same specification and is a cylindrical rod. When the rack is installed, the two racks are respectively and slidably arranged in the two accommodating grooves 12 of the bed board 10, the supporting rods 46 are inserted into the sliding holes 13, and the supporting rods 46 play a role in supporting and stabilizing the two racks. The two racks are engaged with the first gear teeth 34 and the second gear teeth 35 one to one, and when the two gear teeth rotate, the two racks are in linear motion due to the engagement of the toothed teeth, which is a two-stage transmission. In order to improve the motion smoothness of the two racks and reduce friction, a pulley is sleeved on each supporting rod 46, and the pulley is positioned in the sliding hole 13 and slides. In order to limit or lock the movement of the two racks, a thread section is provided on the outer side of each support rod 46, the thread section extends out of the bed board 10 from the sliding hole 13, each support rod 46 is provided with a lock nut 47 in threaded connection with the support rod, the lock nut 47 is rotated, the lock nut 47 is tightly contacted with the outer wall of the bed board 10, and the movement of the two racks is limited or locked under the action of friction force.

The first vertical plate 42 is vertically and fixedly disposed on the first rack 40, and the second vertical plate 43 is vertically and fixedly disposed on the second rack 41 and respectively protrudes through the moving holes 14 to the bed board 10. Two lower hooks 48 which are arranged up and down are respectively arranged on the first vertical plate 42 and the second vertical plate 43, the lower connecting rod 44 is detachably erected on any lower hook 48, the lower traction belt 45 is connected to the lower connecting rod 44, and the height of the lower connecting rod 44 can be adjusted through the lower hook 48, so that the height of the lower traction belt 45 is adjusted to adapt to different crowds. In order to observe the pulling force of the lower pulling belt 45, a tension meter 49 is provided between the lower connecting rod 44 and the lower pulling belt 45.

The upper traction assembly 5 includes a third riser 50, a fourth riser 51, an upper connecting rod 52, and an upper traction belt 53. The third vertical plate 50 and the fourth vertical plate 51 are respectively and vertically and fixedly arranged above the bed plate 10 and are positioned at the bed head position, and are distributed side by side at the left side and the right side. Two upper hooks 54 which are arranged up and down are respectively arranged on the third vertical plate 50 and the fourth vertical plate 51, an upper connecting rod 52 is detachably erected on any one of the upper hooks 54, an upper traction belt 53 is connected to the upper connecting rod 52, and the height of the upper connecting rod 52 can be adjusted through the upper hooks 54, so that the height of the upper traction belt 53 is adjusted to adapt to different crowds.

When in use, a patient lies on the bed board 10, the lower traction belt 45 is bound at the lumbar vertebra, the upper traction belt 53 is bound at the cervical vertebra, and then the heights of the lower connecting rod 44 and the upper connecting rod 52 are adjusted according to the condition of high, low, fat and thin of the patient. After the posture is adjusted, the locking nut 47 is loosened, the motor 2 is controlled to rotate forward in a inching mode, the lower traction assembly 4 gradually and slowly moves towards the direction of the tail of the bed through the transmission of the transmission assembly 3, the lower traction belt 45 gradually and slowly stretches the lumbar vertebra, the tension meter 49 is observed, after the proper strength (15-20 kg force) is achieved, the motor 2 is stopped, the locking nut 47 is locked, and the traction treatment can be completed after 15-30 minutes. The locking nut 47 is loosened, the motor 2 is controlled to rotate reversely by clicking, so that the force can be removed, and finally the motor is released according to normal operation.

Claims (8)

1. An adjustable orthopedics electric traction bed, includes bedstead and motor, its characterized in that: the device also comprises an upper traction component fixedly connected with one end of the bedstead, a lower traction component movably connected with the other end of the bedstead, and a transmission component fixedly connected between the motor and the lower traction component; the transmission assembly comprises a bevel gear pair, a rotating shaft, a first bearing seat, a second bearing seat, a first transmission tooth and a second transmission tooth; wherein, the bevel gear pair is connected between the motor and the rotating shaft; the first bearing seat and the second bearing seat are fixedly connected with the rotating shaft and are respectively and fixedly connected to the left side and the right side of the bedstead; the first transmission gear and the second transmission gear are respectively and fixedly connected to two ends of the rotating shaft and are respectively matched and connected with the lower traction assembly.

2. The adjustable orthopedic electric traction bed of claim 1, wherein: the lower traction assembly comprises a first rack, a second rack, a first vertical plate, a second vertical plate, a lower connecting rod and a lower traction belt; the first rack and the second rack are respectively arranged on the left side and the right side of the bedstead in a sliding manner and are respectively meshed with the first transmission tooth and the second transmission tooth; the first vertical plate is vertically and fixedly arranged on the first rack; the second vertical plate is vertically and fixedly arranged on the second rack; the lower connecting rod is connected between the first vertical plate and the second vertical plate; the lower traction belt is connected with a lower connecting rod.

3. The adjustable orthopedic electric traction bed of claim 2, wherein: the first vertical plate and the second vertical plate are respectively provided with a plurality of lower hooks which are arranged up and down, and the lower connecting rod can be erected on any one of the hooks.

4. The adjustable orthopedic electric traction bed of claim 2, wherein: a lower tension meter is arranged between the lower connecting rod and the lower traction belt.

5. The adjustable orthopedic electric traction bed of claim 2, wherein: the left side and the right side below the bedstead are respectively provided with a containing groove, and two inner side walls of each containing groove are provided with sliding holes; the two ends of the first rack and the second rack are respectively fixedly provided with a supporting rod, the first rack and the second rack are respectively placed in the accommodating groove, and the supporting rods can be slidably inserted into the sliding holes.

6. The adjustable orthopedic electric traction bed of claim 5, wherein: the two ends of all the support rods are connected with rolling shafts which are in sliding connection with the sliding holes.

7. The adjustable orthopedic electric traction bed of claim 5, wherein: the outer side end part of the supporting rod is provided with external threads, extends out of the sliding hole and is in threaded connection with a locking nut.

8. The adjustable orthopedic electric traction bed of claim 1, wherein: the upper traction assembly comprises a third vertical plate, a fourth vertical plate, an upper connecting rod and an upper traction belt; the third vertical plate and the fourth vertical plate are respectively vertical and fixedly arranged at the left side and the right side of the end part of the bedstead; the upper connecting rod is connected between the third vertical plate and the fourth vertical plate; the upper traction belt is connected to the upper connecting rod.