CN216934625U

CN216934625U - Upper limb tractor

Info

Publication number: CN216934625U
Application number: CN202220242134.4U
Authority: CN
Inventors: 顾刚强
Original assignee: Shaoxing Central Hospital Medical Community General Hospital Shaoxing Central Hospital
Current assignee: Shaoxing Central Hospital Medical Community General Hospital Shaoxing Central Hospital
Priority date: 2022-01-29
Filing date: 2022-01-29
Publication date: 2022-07-12
Anticipated expiration: 2032-01-29

Abstract

The utility model discloses an upper limb retractor, which comprises a retractor body, wherein a connecting rod is arranged at the upper part of the retractor body, the connecting rod comprises a rotating rod and a fixed rod, the rotating rod can rotate relative to the fixed rod, the retractor body is connected with the rotating rod, a fixer for fixing the rotating rod and the fixed rod relatively is arranged at the joint of the rotating rod and the fixed rod, a telescopic device is arranged at the lower part of the fixed rod, and a base is arranged at the lower part of the telescopic device. The utility model can be applied to the installation of the tractor in different spaces.

Description

Upper limb tractor

Technical Field

The utility model relates to the technical field of rehabilitation equipment, in particular to an upper limb tractor.

Background

Some patients with damaged upper limb muscles, such as patients with scapulohumeral periarthritis, often have some functional disorders and old injuries of shoulder joints, cannot lift arms independently, and need to exercise hand muscles, and the common practice is that the patients stand under a tractor, hold two ends of the tractor with two hands, and through leverage, one hand is downward, and the other hand is pulled upward.

SUMMERY OF THE UTILITY MODEL

The present invention aims to overcome the above-mentioned deficiencies of the prior art and to provide an upper limb retractor.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an upper limbs tractor, includes the tractor body, and the upper portion of tractor body is equipped with the connecting rod, and the connecting rod includes bull stick and dead lever, and the bull stick can be rotatory for the dead lever, and the tractor body is connected with the bull stick, and the junction of bull stick and dead lever is equipped with and is used for the fixer with both relatively fixed, and the lower part of dead lever is equipped with telescoping device, and telescoping device's lower part is equipped with the base.

The fixer is including locating the toper piece of bull stick periphery, locating the fixed block on the dead lever and overlapping the piece that moves of locating on the fixed block, and the tip end laminating dead lever setting of toper piece is equipped with bell mouth and round hole in the piece that moves, and the bell mouth cooperatees with the toper piece, and the round hole cooperatees with the fixed block, moves the piece and slides around under the driving piece drive.

The driving piece is a first electric push rod, the lower end of the first electric push rod is hinged to the fixed rod, and the upper end of the first electric push rod is hinged to the outer wall of the moving block.

The periphery of the fixed block is provided with a plurality of ribs, the length direction of the ribs is consistent with the moving direction of the moving block, the inner wall of the moving block is provided with guide grooves matched with the ribs, and the guide grooves are arranged at the round holes.

The telescoping device is second electric putter, and second electric putter's push rod is connected with the dead lever, and second electric putter's periphery cover is equipped with the support, and the support is fixed with second electric putter's lower part, and second electric putter's push rod can reciprocate for the support, and the base is fixed in on the support.

Be equipped with the spacing hole of a plurality of on the vertical direction of support, the base can slide from top to bottom and pass through the bolt fastening for the support, and the bolt can twist spacing downthehole.

Be equipped with the breach on the trailing flank of base, be equipped with chucking mechanism on the base, chucking mechanism locates the upper and lower both sides of breach for two and symmetry, the chucking mechanism that is located the top includes the fly leaf, action wheel and follow driving wheel, the upper portion and the intermeshing of base are located to action wheel and follow driving wheel, action wheel and the pivot from the driving wheel stretch into in the base and can rotate for the base, be equipped with the knob on the action wheel, the fly leaf is located the breach, the upper portion of fly leaf is equipped with the double-screw bolt, the double-screw bolt stretch into from the pivot of driving wheel and with the pivot spiro union each other from the driving wheel.

The number of the driven wheels is four, and the driven wheels are evenly distributed on the periphery of the driving wheel in an annular mode.

The utility model has the beneficial effects that:

1. the second electric push rod is arranged on the connecting rod of the tractor, the height of the tractor is adjustable, the height of the tractor can be adjusted according to the application scene, the tractor is convenient to use in different fields, and the application limitation of the tractor is reduced;

2. the periphery of the second electric push rod is coated with the support, so that the strength of the support is improved, meanwhile, the base is arranged outside the support, the position between the base and the support is adjusted, and the base is fixed at a low-position installation position such as a table edge, so that some patients can take exercises on the upper limbs when sitting down when not standing up conveniently;

3. when the device is in a normal use state, the rotating rod can rotate relative to the fixed rod; when first electric putter promotes to move the piece to toper piece one side and removes, with toper piece chucking, the bull stick is fixed with the position of dead lever this moment, rethread second electric putter promotes the connecting rod rebound, upwards stretches patient's upper limbs simultaneously, and two kinds of user state satisfy the different user demand of patient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a top view of the clamping mechanism of the present invention;

FIG. 5 is a schematic view of the connecting rod and the fixing device of the present invention;

FIG. 6 is a schematic view of the structure of the fixed block and the movable block.

In the figure: the tractor comprises a tractor body 1, a support 2, a limiting hole 21, a fixer 3, a conical block 31, a moving block 32, a conical hole 321, a guide groove 322, a round hole 323, a fixed block 33, a rib 331, a first electric push rod 34, a base 4, a notch 41, a connecting rod 5, a rotating rod 51, a fixed rod 52, a second electric push rod 6, a movable plate 7, a stud 71, a driven wheel 8, a knob 9 and a driving wheel 10.

Detailed Description

The utility model is further described with reference to the accompanying drawings and the detailed description below:

as shown in fig. 1 to 6, an upper limb retractor comprises a retractor body 1, a connecting rod 5 is arranged at the upper part of the retractor body 1, the connecting rod 5 comprises a rotating rod 51 and a fixed rod 52, the rotating rod 51 can rotate relative to the fixed rod 52, the retractor body 1 is connected with the rotating rod 51, in normal use, the rotating rod 51 can rotate relative to the fixed rod 52, a bearing is arranged at the joint of the rotating rod 51 and the fixed rod 52, and the inner ring and the outer ring of the bearing are respectively tightly matched with the rotating rod 51 and the fixed rod 52;

the fixing device 3 is arranged at the joint of the rotating rod 51 and the fixing rod 52 and used for fixing the rotating rod 51 and the fixing rod 52 relatively, the fixing device 3 comprises a conical block 31 arranged on the periphery of the rotating rod 51, a fixing block 33 arranged on the fixing rod 52 and a moving block 32 sleeved on the fixing block 33, the small end of the conical block 31 is attached to the fixing rod 52, a conical hole 321 and a round hole 323 are arranged in the moving block 32, the conical hole 321 is matched with the conical block 31, the round hole 323 is matched with the fixing block 33, the round hole 323 extends to the conical hole 532 and is communicated with the conical hole 532, the moving block 32 slides forwards and backwards under the driving of a driving piece, the driving piece is a first electric push rod 34, the lower end of the first electric push rod 34 is hinged with the fixing rod 52, the upper end of the first electric push rod 34 is hinged with the outer wall of the moving block 32, in a normal use state, the left end of the moving block 32 is not contacted with the conical block 31, at this time, the rotating rod 51 can rotate relative to the fixing rod 52, when the two are required to be fixed, the first electric push rod 34 pushes the moving block 32 to move towards one side of the conical block 31, at this time, the front end of the moving block 32 is tightly pressed against the conical block 31, the friction between the two is large, the rear end of the moving block 32 is matched with the fixed block 33, so that the rotating rod 51 and the fixed rod 52 cannot move relatively, when the connecting rod 5 moves upwards, the two holding rods of the tractor body 1 can move upwards synchronously, and meanwhile, two hands are stretched;

the periphery of the fixed block 33 is provided with a plurality of ribs 331, the length direction of the ribs 331 is consistent with the moving direction of the moving block 32, the inner wall of the moving block 32 is provided with a guide groove 322 matched with the ribs 331, and the guide groove 322 is arranged at the round hole 323, so that the relative fixation between the moving block 32 and the fixed block 33 is more reliable;

the lower part of the fixed rod 52 is provided with a telescopic device, the telescopic device is a second electric push rod 6, a push rod of the second electric push rod 6 is connected with the fixed rod 52, the periphery of the second electric push rod 6 is sleeved with a support 2 which can be used for enhancing the strength of the second electric push rod 6, the support 2 is fixed with the lower part of the second electric push rod 6, the push rod of the second electric push rod 6 can move up and down relative to the support 2, and the height of the connecting rod 5 is properly adjusted through the second electric push rod 6 according to the height of a site where a patient is located, so that the structure can be applied in a wider place and has better universality;

a plurality of limiting holes 21 are formed in the vertical direction of the support 2, the base 4 can slide up and down relative to the support 2 and is fixed through bolts, the bolts can be screwed into the limiting holes 21, and the base 4 is screwed down through the bolts after sliding up and down along the support 2, so that the mounting height of the connecting rod 5 can be reduced;

the lower part of the support 2 is provided with a base 4, the rear side surface of the base 4 is provided with a notch 41, the base 4 is provided with two clamping mechanisms, the two clamping mechanisms are symmetrically arranged at the upper side and the lower side of the notch 41, the clamping mechanism positioned above comprises a movable plate 7, a driving wheel 10 and a driven wheel 8, the driving wheel 10 and the driven wheel 8 are arranged at the upper part of the base 4 and are meshed with each other, the rotating shafts of the driving wheel 10 and the driven wheel 8 extend into the base 4 and can rotate relative to the base 4, the driving wheel 10 is provided with a knob 9, the movable plate 7 is positioned in the notch 41, the upper part of the movable plate 7 is provided with a stud 71, the stud 71 extends into the rotating shaft of the driven wheel 8 and is screwed with the rotating shaft of the driven wheel 8, after the knob 9 rotates, the four driven wheels 8 can be driven to synchronously rotate, the up-down moving speed of the stud 71 is kept consistent, so that the movable plate 7 can be lifted horizontally, when the base 4 is installed, selecting a proper fixed position, such as a table edge, extending the edge of the table into the notch 41, rotating the knob above or below to tightly attach the corresponding movable plate 7 to the table, fixing the base 4 and the table top, completing installation, and when dismounting, only reversely rotating the knob is needed, so that the operation is simple, and when the desk is not in use, the space of the table is not occupied;

the number of the driven wheels 8 is four, and the driven wheels are uniformly distributed on the periphery of the driving wheel 10 in an annular manner, so that the movable plate 7 is more stable when moving up and down.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims

1. An upper limb retractor is characterized in that: including tractor body (1), the upper portion of tractor body (1) is equipped with connecting rod (5), connecting rod (5) are including bull stick (51) and dead lever (52), bull stick (51) can be rotatory for dead lever (52), tractor body (1) is connected with bull stick (51), the junction of bull stick (51) and dead lever (52) is equipped with and is used for fixer (3) with both relatively fixed, the lower part of dead lever (52) is equipped with the telescoping device, the lower part of telescoping device is equipped with base (4).

2. The upper limb retractor according to claim 1, wherein: fixer (3) including locating conical block (31) of bull stick (51) periphery, locating fixed block (33) on dead lever (52) and overlapping and locate moving piece (32) on fixed block (33), the tip end laminating dead lever (52) of conical block (31) sets up, be equipped with bell mouth (321) and round hole (323) in moving piece (32), bell mouth (321) cooperate with conical block (31), round hole (323) cooperate with fixed block (33), move piece (32) and slide around under the driving piece drive.

3. The upper limb retractor according to claim 2, wherein: the driving piece is a first electric push rod (34), the lower end of the first electric push rod (34) is hinged to the fixing rod (52), and the upper end of the first electric push rod (34) is hinged to the outer wall of the moving block (32).

4. The upper limb retractor according to claim 2, wherein: the periphery of fixed block (33) is equipped with a plurality of beads (331), the length direction of bead (331) is unanimous with moving piece (32) moving direction, the inner wall that moves piece (32) is equipped with guide way (322) with bead (331) matched with, round hole (323) department is located in guide way (322).

5. The upper limb retractor according to claim 1, wherein: the telescoping device is second electric putter (6), the push rod and the dead lever (52) of second electric putter (6) are connected, the periphery cover of second electric putter (6) is equipped with support (2), support (2) are fixed with the lower part of second electric putter (6), the push rod of second electric putter (6) can reciprocate for support (2), base (4) are fixed in on support (2).

6. The upper limb retractor according to claim 5, wherein: the support is characterized in that a plurality of limiting holes (21) are formed in the support (2) in the vertical direction, the base (4) can slide up and down relative to the support (2) and is fixed through bolts, and the bolts can be screwed into the limiting holes (21).

7. The upper limb retractor according to claim 1, wherein: be equipped with breach (41) on the trailing flank of base (4), be equipped with chucking mechanism on base (4), chucking mechanism locates the upper and lower both sides of breach (41) for two and symmetry, is located the top chucking mechanism includes fly leaf (7), action wheel (10) and follows driving wheel (8), the upper portion and the intermeshing of base (4) are located to action wheel (10) and follow driving wheel (8), action wheel (10) and the pivot from driving wheel (8) stretch into in base (4) and can rotate for base (4), be equipped with knob (9) on action wheel (10), fly leaf (7) are located breach (41), the upper portion of fly leaf (7) is equipped with double-screw bolt (71), double-screw bolt (71) stretch into in the pivot from driving wheel (8) and with the pivot looks spiro union from driving wheel (8).

8. The upper limb retractor according to claim 7, wherein: the number of the driven wheels (8) is four, and the driven wheels are uniformly distributed on the periphery of the driving wheel (10) in an annular mode.