Utility model content
An object of the present utility model is to provide and a kind ofly can provides the adjustable type elastic dynamic elbow hinge device of long-time constant quantitative stretching to patient.
Adjustable type elastic dynamic elbow hinge device of the present utility model, comprises the upper lattice framing and the lower lattice framing that are rotationally connected, is provided for regulating the traction control unit of both rotatory force sizes between upper lattice framing and lower lattice framing.
Optionally, described traction control unit comprises worm and gear combination, worm gear base, tractive force regulating spring and spring locating shaft;
The two ends of described tractive force regulating spring, one end is tensioned end, the other end is spring link;
Described worm and gear combination is arranged in worm gear base, and described spring locating shaft is from top to bottom successively through worm gear, worm gear base, tensioned end, upper lattice framing and lower lattice framing; Described spring locating shaft is fixedly connected with described worm gear, and described upper lattice framing and worm gear base can be take spring locating shaft as axle rotation;
Described spring link is fixedly connected with upper lattice framing;
Described worm gear base is fixedly connected with lower lattice framing.
Optionally, described spring locating shaft is provided with locating slot vertically, and the tensioned end of described tractive force regulating spring is arranged in described locating slot.
Optionally, on described worm gear base, be provided with worm and gear groove and worm hole, the combination of described worm and gear is embedded in described worm and gear groove, and the worm screw in the combination of described worm and gear penetrates worm hole, so that worm screw at least exposes one end.
Optionally, also comprise the worm gear base upper cover being placed on described worm gear base.
Optionally, on the worm gear of described worm and gear combination, be provided with scale, on described worm gear base upper cover, be provided with for observing the peep hole of described scale.
Optionally, the bottom of described worm gear base upper cover is provided with dop, on described worm gear base, is provided with draw-in groove, and described dop is connected in described draw-in groove.
Optionally, described lower lattice framing comprises the first list structure and is arranged on the lower lattice framing connecting portion of first list structure one end; On described lower lattice framing connecting portion, be provided with the first locating shaft axis hole and the first screwed hole; Described spring locating shaft is through described the first locating shaft axis hole; On described worm gear base, be provided with the second screwed hole, the first threaded connector be set and through the first screwed hole, with the second screwed hole, worm gear base be fixedly connected with lower lattice framing.
Optionally, described upper lattice framing comprises the second list structure and is arranged on the upper lattice framing connecting portion of second list structure one end; On described upper lattice framing connecting portion, be provided with the second locating shaft axis hole and the 3rd screwed hole; Described spring locating shaft is through described the second locating shaft axis hole; The second threaded connector is set through spring link and the 3rd screwed hole of tractive force regulating spring, the spring link of regulating spring is fixedly connected with upper lattice framing.
Optionally, described spring link is arcuate structure.
Optionally, the spiral type spring that described tractive force regulating spring is vortex from inside to outside.
Adjustable type elastic dynamic elbow hinge device of the present utility model, during use, by traction control unit, regulate tractive force to the tractive force needing, upper lattice framing and patient's upper arm is fixed, lower lattice framing and patient's underarm is fixed, when patient's elbow joint moves reciprocatingly, power motion that can be constant, the other muscle of elbow joint is applied to long constant force, and this dynamics can regulate.
The specific embodiment
Embodiment 1
Referring to Fig. 1-Fig. 3, the adjustable type elastic dynamic elbow hinge device of the present embodiment, comprises the upper lattice framing 1 and the lower lattice framing 2 that are rotationally connected, is provided for regulating the traction control unit of both rotatory force sizes between upper lattice framing 1 and lower lattice framing 2.
Above-mentioned adjustable type elastic dynamic elbow hinge device, during use, by traction control unit, regulate tractive force to the tractive force needing, upper lattice framing 1 and patient's upper arm are fixed, lower lattice framing 2 and patient's underarm are fixed, when patient's elbow joint moves reciprocatingly, power motion that can be constant, the other muscle of elbow joint is applied to long constant force, and this dynamics can regulate.
In the present embodiment, optional, described traction control unit comprises worm and gear (3 is worm gear, and 4 is worm screw) combination, worm gear base 5, tractive force regulating spring 6 and spring locating shaft 7;
The two ends of described tractive force regulating spring, one end is tensioned end 601, the other end is spring link 602;
Described worm and gear combination is arranged in worm gear base 5, and described spring locating shaft 7 is from top to bottom successively through worm gear 3, worm gear base 5, tensioned end 601, upper lattice framing 1 and lower lattice framing 2; Described spring locating shaft 7 is fixedly connected with described worm gear 3, and described upper lattice framing 1 and worm gear base 5 can be take spring locating shaft 7 as axle rotation;
Described spring link 602 is fixedly connected with upper lattice framing 1;
Described worm gear base 5 is fixedly connected with lower lattice framing 2.
In the present embodiment, optional, described spring locating shaft 7 is provided with locating slot 701 vertically, and the tensioned end 601 of described tractive force regulating spring 6 is arranged in described locating slot 701.So arrange, when spring locating shaft 7 rotates, just can drive tensioned end 601 to move together, thereby the elastic force of tractive force regulating spring 6 is turned down or tuned up.
In the present embodiment, optionally, be provided with worm and gear groove 501 and worm hole 502 on described worm gear base 5, described worm and gear combination is embedded in described worm and gear groove 501, and the worm screw 4 in described worm and gear combination penetrates worm hole 502, so that worm screw 4 at least exposes one end.So arrange, when needs regulate described adjustable type elastic dynamic elbow hinge device big or small to the distraction force of the other muscle of elbow joint, bared end rotary worm 4 from worm screw 4, worm screw 4 just drives worm gear 3 to rotate, worm gear 3 drives spring locating shaft 7 to rotate, thereby tensioned end 601 moves together, and the elastic force of tractive force regulating spring 6 is turned down or tuned up.
In the present embodiment, optional, also comprise the worm gear base upper cover 8 being placed on described worm gear base 5.So arrange, can make described adjustable type elastic dynamic elbow hinge apparatus structure compacter, and avoid worm and gear outside exposed.
In the present embodiment, optional, on the worm gear 3 of described worm and gear combination, be provided with scale, on described worm gear base upper cover 8, be provided with for observing the peep hole 801 of described scale.So arrange, so that user can observe the scale on worm gear 3, read intuitively the traction force of adjustable type elastic dynamic elbow hinge device to muscle.
In the present embodiment, optional, the bottom of described worm gear base upper cover 8 is provided with dop 802, on described worm gear base 5, is provided with draw-in groove 503, and described dop 802 is connected in described draw-in groove 503.So that worm gear base upper cover 8 is placed on worm gear base 5 more easily, and easily unload.
In the present embodiment, optional, described lower lattice framing 2 comprises the first list structure 201 and is arranged on the lower lattice framing connecting portion 202 of first list structure 201 one end; On described lower lattice framing connecting portion, be provided with the first locating shaft axis hole 203 and the first screwed hole 204; Described spring locating shaft 7 is through described the first locating shaft axis hole 203; On described worm gear base 5, be provided with the second screwed hole 504, the first threaded connector be set and through the first screwed hole 204, with the second screwed hole 504, worm gear base 5 be fixedly connected with lower lattice framing 2.So arrange, described lower lattice framing 2 is just fixed together with worm gear base 5, when lattice framing 2 relatively rotates with upper lattice framing 1 instantly, can drive worm gear base 5 to rotate, and worm gear base 5 drives worm and gear combination to rotate together, and then drives spring locating shaft 7 to rotate.
In the present embodiment, optional, described upper lattice framing 1 comprises the second list structure 101 and is arranged on the upper lattice framing connecting portion 102 of second list structure 101 one end; On described upper lattice framing connecting portion 102, be provided with the second locating shaft axis hole 103 and the 3rd screwed hole 104; Described spring locating shaft 7 is through described the second locating shaft axis hole 103; The second threaded connector is set through spring link 602 and the 3rd screwed hole 104 of tractive force regulating spring, the spring link 602 of tractive force regulating spring 6 is fixedly connected with upper lattice framing 1.So arrange, described upper lattice framing 1 is just fixed together with the spring link 602 of tractive force regulating spring 6, when upper lattice framing 1, take spring locating shaft 7 when axle rotates, and can drive 602 rotations of spring link.Because lower lattice framing 2 is connected with tensioned end 601 by a series of transmissions, upper lattice framing 1 is connected with spring link 602, and therefore, the rotatory force of upper lattice framing 1 and lower lattice framing 2 is determined by the compression degree of tractive force regulating spring 6.
In the present embodiment, optional, described spring link 602 is arcuate structure.So setting, can be threaded connection part more easily and upper lattice framing 1 links together.
In the present embodiment, optional, described tractive force regulating spring 6 is the spiral type spring of vortex from inside to outside.So arrange, can regulate more easily the rotatory force of lattice framing 1 and lower lattice framing 2.
Operation principle of the present utility model is as follows: during use, can adopt hexagonal to pass through worm hole 502 rotary worms 4, worm screw 4 drives worm gear 3 to rotate, and the rotation of worm gear 3 drives tensioned end 601 rotations of tractive force regulating spring 6, realizes the adjusting to tractive force regulating spring 6 compression degrees.Then patient's upper arm and upper lattice framing 1 are fixed together, patient's underarm and lower lattice framing 2 are fixed together, when upper arm rotates with respect to underarm, in drive, lattice framing 1 relatively rotates with respect to lower lattice framing 2, spring link 602 due to upper lattice framing 1 connection tractive force regulating spring 6, lower lattice framing 2 is connected to the tensioned end 601 of tractive force regulating spring 6 indirectly, therefore, after the compression degree of tractive force regulating spring 6 is regulated, patient just can, under the effect of tractive force regulating spring 6, carry out tractive training with constant distraction force to the other muscle of elbow joint.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.