CN212730094U - Ratchet clamping type orthopedic traction structure applied to traction frame and traction frame - Google Patents
Ratchet clamping type orthopedic traction structure applied to traction frame and traction frame Download PDFInfo
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- CN212730094U CN212730094U CN202020504271.1U CN202020504271U CN212730094U CN 212730094 U CN212730094 U CN 212730094U CN 202020504271 U CN202020504271 U CN 202020504271U CN 212730094 U CN212730094 U CN 212730094U
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Abstract
The utility model relates to the field of medical equipment, concretely relates to use ratchet screens formula orthopedics traction structure and traction frame on traction frame, include: the device comprises a bidirectional ratchet structure, a pulley frame, pulleys, a traction rope, weights and a traction body; the bidirectional ratchet structure comprises: ratchet gear, rotation regulation shell, two ratchet shifting blocks, fore-set, spring I. The utility model provides a two-way ratchet structure can make medical staff stir two ratchet shifting blocks in two directions and realized carrying out quick stripping to ratchet of ratchet gear on two states that the interlock screens is fixed and break away from. Simultaneously, the sharp-angled structure of the double-ratchet shifting block is matched with the ejection column and the spring I to be ejected, the ejection column can be always ejected on the sharp-angled inclined plane when no external force is applied, the occlusion clamping position of the ratchet and the ejection support of the shifting block open slot to the double-ratchet shifting block are matched, and the stable fixed state of the double-ratchet shifting block and the ratchet gear is guaranteed in the clamping process under the mutual action of total three forces.
Description
Technical Field
The utility model relates to the field of medical equipment, particularly, relate to a ratchet screens formula orthopedics that uses on traction frame pulls structure and traction frame.
Background
The traction technique is a commonly used treatment method in orthopedics department, and is a treatment method for relieving muscle tension and strong contraction, reducing fracture and dislocation, preventing and correcting soft tissue contracture, and performing preoperative tissue release and postoperative brake on certain diseases by using the weight of suspension as traction force and the body weight as counter traction force through a traction device. Bone traction is an important traction technique, also called direct traction, and is characterized in that a steel needle or a traction forceps is used to penetrate through bone, so that traction force directly passes through bones to reach an injured part, and the functions of restoration, fixation and rest are achieved.
When medical personnel in hospitals carry out bone traction on patients with lower limb fracture, a fixed traction frame is sleeved on a sickbed frame at the tail part of a sickbed, a fixed pulley sleeve fixed through a top pin is arranged on the traction frame, a traction stay cord is wound around the fixed pulley, a weight is fixed at the tail end of the traction stay cord and naturally hangs down by means of gravity, and traction force is provided for the patients through the traction stay cord. But the following defects are found in clinical use at present:
1. the fixed pulley sleeve is turned over on the round tube type traction frame cross rod with a smooth surface simply through the ejector pin, the fixation on the angle is unstable, the contact area of the ejector pin is too small when the ejector pin is propped on the surface of the round tube type traction frame cross rod, the ejector pin is in point-to-point contact, the fixed pulley sleeve is very easy to loosen and fall off when the fixed pulley sleeve is turned over on the traction frame cross rod for angle positioning, and if the fixed pulley sleeve is fiercely loosened and easily pulled to form dislocation on the traction position of a patient, the fixed pulley sleeve has great hidden danger on the safety of the patient.
2. The existing lower limb tractor is convenient for a patient to pull the lower limbs in the lateral direction of a sickbed, the tractor is also fixed on the two ends of the cross rod of the traction frame by the telescopic pipes, the structure is overstaffed, the counterweight of the traction frame is overlarge, the traction process is very complicated when the traction frame is replaced on the tractor of the telescopic pipes, and the sliding sleeve of the fixed pulley is very easy to loosen and take off in the operation process.
3. The technical scheme structure of pulley yoke fixed mode non-point contact is too complicated loaded down with trivial details among the current tractor, and the structure material is too much, and the counter weight is overweight, and medical staff very labouring when changing the traction frame, the condition of exhausting appears easily, leads to changing efficiency to hang down.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide a ratchet screens formula orthopedics traction structure and traction frame of using on the traction frame that stable in structure is reliable.
The utility model aims at realizing through the following technical scheme:
on the one hand, the utility model provides a pair of ratchet screens formula orthopedics that uses on traction frame pulls the structure is provided with the slip pipe on the traction frame, and orthopedics pulls the structure setting on the slip pipe, and orthopedics pulls the structure and includes: the device comprises a bidirectional ratchet structure, a pulley frame, pulleys, a traction rope, weights and a traction body; the bidirectional ratchet structure comprises: the ratchet wheel, the rotation adjusting shell, the double-ratchet shifting block, the top column and the spring I; the ratchet gear comprises a ratchet disc and a circular sleeve shaft coaxially connected with the ratchet disc, the ratchet disc and the circular sleeve shaft are sleeved on the sliding pipe, a circular sleeve shaft hole and a ratchet disc hole are formed in the rotation adjusting shell, the ratchet gear is accommodated in the ratchet disc hole through the ratchet disc, and the rotation adjusting shell is movably sleeved after the circular sleeve shaft is accommodated in the circular sleeve shaft hole;
a double-ratchet shifting block is hinged in the rotation adjusting shell, two shifting block open slots are formed in the rotation adjusting shell, two ends of the double-ratchet shifting block in the length direction correspondingly extend out of the shifting block open slots, a group of ratchets meshed with the ratchets of the ratchet disc are arranged at two ends of one side face of the double-ratchet shifting block in the width direction, a raised triangular sharp corner is arranged at the middle position of the other side face of the double-ratchet shifting block in the width direction, a spring groove is formed in the rotation adjusting shell, a spring I is arranged in the spring groove, the spring I is connected with the ejection column and is always in a compressed state, and the ejection column abuts against the sharp corner; when one group of ratchets of the double-ratchet shifting block are meshed with the ratchets of the ratchet disc, the ejection column is abutted against an inclined plane of the sharp corner, and the shifting block open slot and the end part of the double-ratchet shifting block are in an ejecting state;
a pulley frame is hinged on the rotary adjusting shell, and the pulley is arranged on the pulley frame; the haulage rope wears to establish on the pulley, and one end is connected with the weight, and the other end is connected with the traction body that is used for fixing in the patient ankle department that needs to pull.
Further, orthopedics traction structure still includes turns to fixed knot to construct, turns to fixed knot to construct and includes: a rotating rod, an angle positioning pin and a spring II; the rotary adjusting shell is provided with a U-shaped groove, a fan-shaped ratchet gear I is arranged on the periphery of the rotary adjusting shell on one side of the U-shaped groove, a square hole is formed in the rotating rod, the angle positioning pin comprises a gland, a cylinder, a square column and a fan-shaped ratchet gear II which are sequentially connected, the angle positioning pin penetrates through the square hole and extends out of two ends of the square hole, a spring II is sleeved on the cylinder between the gland and the rotating rod and is always in a compression state, the fan-shaped ratchet gear II is attached to the rotating rod, the rotating rod is hinged in the U-shaped groove, and the fan-shaped ratchet gear; the rotating rod is hinged with a pulley yoke.
Furthermore, the outer diameter of the cylinder is smaller than the side length of the square column, the outer diameter of the gland is larger than the side length of the square column, and the cross-sectional area of the fan-shaped ratchet gear II is larger than the cross-sectional area of the square column.
Furthermore, the orthopedic traction structure further comprises a telescopic loop bar which is connected between the rotating rod and the pulley yoke.
Furthermore, the number of the circular sleeve shafts is two, and the two circular sleeve shafts are integrally fixed on two sides of the ratchet plate.
Furthermore, a positioning pin hole is formed in the round sleeve shaft, and a positioning pin is installed on the positioning pin hole.
Further, the traction body comprises a traction bow.
On the other hand, the utility model provides a pair of traction frame, include the ratchet screens formula orthopedics traction structure of using on traction frame as above arbitrary.
Further, the sliding pipe is a square pipe.
Further, the traction frame includes: the orthopedic traction structure comprises two upright posts vertically fixed at the tail of a sickbed in a sleeved mode, traction frame upright barrel posts sleeved on the upright posts, a plurality of horizontal traction frame cross rods fixedly connected between the two traction frame upright barrel posts in an up-down distribution mode, square pipe sleeves and square pipes, wherein the square pipe sleeves and the square pipes are sleeved on the two traction frame upright barrel posts in a sleeved mode, the square pipe sleeves are sleeved on the two traction frame upright barrel posts in a synchronous sleeved mode, and the orthopedic traction structure is arranged on the square pipes.
The utility model discloses an use in ratchet screens formula orthopedics traction structure and traction frame on traction frame, two-way ratchet structure can make medical staff stir two ratchet shifting blocks in two directions and realized carrying out quick stripping to the ratchet of ratchet gear on two states that the interlock screens is fixed and break away from, the operation of very big simplification, when the off-state, because rotate the regulation shell can wind ratchet gear revolve, can adjust then to rotate the fixed height and the angle of regulation shell on square pipe. Simultaneously, the sharp-angled structure of the double-ratchet shifting block is matched with the ejection column and the spring I to be ejected, the ejection column can be always ejected on the sharp-angled inclined plane when no external force is applied, the occlusion clamping position of the ratchet and the ejection support of the shifting block open slot to the double-ratchet shifting block are matched, and the stable fixed state of the double-ratchet shifting block and the ratchet gear is guaranteed in the clamping process under the mutual action of total three forces.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
FIG. 1 is a structural diagram of a middle traction frame of the present invention;
FIG. 2 is a structural diagram of a state of the traction structure for orthopedics department of the present invention;
FIG. 3 is a structural diagram of another state of the traction structure of the present invention;
FIG. 4 is a cross-sectional view of the two-way ratchet structure of the present invention in one state;
FIG. 5 is a cross-sectional view of another embodiment of the bi-directional ratchet mechanism of the present invention;
FIG. 6 is a structural diagram of the two-way ratchet structure of the present invention;
FIG. 7 is a structural diagram of a steering fixing structure according to the present invention;
FIG. 8 is a structural view of another embodiment of the steering fixing structure of the present invention;
FIG. 9 is a cross-sectional view of the steering fixing structure of the present invention;
FIG. 10 is a structural diagram of the angle positioning pin of the present invention;
wherein the reference numerals are: 1. a bidirectional ratchet structure; 2. a pulley yoke; 3. a pulley; 4. a hauling rope; 5. a weight; 6. a traction body; 7. a ratchet gear; 8. rotating the adjusting shell; 9. a double ratchet shifting block; 10. a top pillar; 11. a spring I; 12. a shifting block open slot; 13. sharp corners; 14. a spring slot; 15. a steering fixing structure; 16. rotating the rod; 17. an angle positioning pin; 18. a spring II; 19. a U-shaped groove; 20. a fan-shaped ratchet gear I; 21. a gland; 22. a cylinder; 23. a square column; 24. a sector ratchet gear II; 25. a telescopic loop bar; 26. a square tube; 27. a traction frame upright cylinder column; 28. a traction frame cross bar; 29. a square pipe sleeve.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 to 10, the utility model discloses use ratchet screens formula orthopedics traction structure on traction frame of embodiment is provided with the slip tube on the traction frame, and orthopedics traction structure sets up on the slip tube, and orthopedics traction structure includes: the device comprises a bidirectional ratchet structure 1, a pulley frame 2, a pulley 3, a traction rope 4, a weight 5 and a traction body 6; the bidirectional ratchet structure 1 includes: the ratchet wheel 7, the rotation adjusting shell 8, the double-ratchet shifting block 9, the top column 10 and the spring I11; the ratchet gear 7 comprises a ratchet disc and a circular sleeve shaft coaxially connected with the ratchet disc, the ratchet disc and the circular sleeve shaft are sleeved on the sliding pipe, a circular sleeve shaft hole and a ratchet disc hole are formed in the rotary adjusting shell 8, the ratchet gear 7 is accommodated in the ratchet disc hole through the ratchet disc, and the rotary adjusting shell 8 is movably sleeved after the circular sleeve shaft is accommodated in the circular sleeve shaft hole;
a double-ratchet shifting block 9 is hinged in the rotation adjusting shell 8, two shifting block open grooves 12 are formed in the rotation adjusting shell 8, two ends of the double-ratchet shifting block 9 in the length direction correspondingly extend out of the shifting block open grooves 12, a group of ratchets meshed with the ratchets of the ratchet disc are arranged at two ends of one side face of the double-ratchet shifting block 9 in the width direction, a raised triangular sharp corner 13 is arranged at the middle position of the other side face of the double-ratchet shifting block 9 in the width direction, a spring groove 14 is formed in the rotation adjusting shell 8, a spring I11 is arranged in the spring groove 14, the spring I11 is connected with a top column 10 and is always in a compression state, and the top column 10 abuts against the sharp corner 13; when one group of ratchets of the double-ratchet shifting block 9 are meshed with the ratchets of the ratchet disc, the ejection column 10 is ejected on an inclined plane of the sharp corner 13, and the shifting block opening groove 12 and the end part of the double-ratchet shifting block 9 are in an ejecting state;
the pulley yoke 2 is hinged on the rotary adjusting shell 8, and the pulley 3 is arranged on the pulley yoke 2; the traction rope 4 is arranged on the pulley 3 in a penetrating way, one end of the traction rope is connected with the weight 5, and the other end of the traction rope is connected with a traction body 6 which is used for being fixed at the ankle of a patient needing to be dragged.
The utility model discloses an use among the ratchet screens formula orthopedics traction structure on the traction frame, two-way ratchet structure 1 can be so that medical staff stir two ratchet shifting blocks 9 in two directions and has realized carrying out quick stripping and slicing on two states that the interlock screens is fixed and breaks away from ratchet 7, the operation of very big simplification, when the off-state, because rotate adjusting shell 8 and can rotate around ratchet gear 7, can adjust then and rotate adjusting shell 8 fixed height and angle on square pipe 26. Simultaneously, the sharp-angled 13 structure of the double-ratchet shifting block 9 is matched with the ejection column 10 and the spring I11 to be ejected, the ejection column 10 can be always ejected on the inclined plane of the sharp-angled 13 when no external force acts, the interlocking clamping position of the ratchet and the ejection block opening groove 12 are matched to eject the double-ratchet shifting block 9, and the stable fixed state of the double-ratchet shifting block 9 and the ratchet gear 7 is ensured in the clamping process under the mutual action of total three forces.
Preferably, the orthopaedic distraction structure further comprises a steering fixation structure 15, the steering fixation structure 15 comprising: a rotating rod 16, an angle positioning pin 17 and a spring II 18; a U-shaped groove 19 is formed in the rotation adjusting shell 8, a fan-shaped ratchet gear I20 is arranged on the periphery of the rotation adjusting shell 8 on one side of the U-shaped groove 19, a square hole is formed in the rotating rod 16, the angle positioning pin 17 comprises a gland 21, a cylinder 22, a square column 23 and a fan-shaped ratchet gear II 24 which are sequentially connected, the angle positioning pin 17 penetrates through the square hole and extends out of two ends of the square hole, a spring II 18 is sleeved on the cylinder 22 between the gland 21 and the rotating rod 16 and is always in a compression state, the fan-shaped ratchet gear II 24 is attached to the rotating rod 16, the rotating rod 16 is hinged in the U-shaped groove 19, and the fan-shaped ratchet gear II 24; the pulley yoke 2 is hinged on the rotating rod 16.
The front end of the rotation adjusting shell 8 is provided with a U-shaped groove 19, and the periphery of the rotation adjusting shell 8 at the lower part of the U-shaped groove 19 is provided with a fan-shaped ratchet gear I20 structure. The steering fixing structure 15 includes a rotating lever 16, an angle positioning pin 17. The inside dwang 16 that articulates in U type groove 19, the intermediate position that the dwang 16 is close to U type groove 19 port department is from last to opening the square hole that has a perfect understanding down, has the angle locating pin 17 at the inside intercommunication in square hole.
When no external force is used, the fan-shaped ratchet gear II 24 structure at the lower end of the angle positioning pin 17 is attached to the lower end face of the rotating rod 16, at the moment, the fan-shaped ratchet gear II 24 structure of the angle positioning pin 17 is mutually meshed and clamped with the fan-shaped ratchet gear I20 structure of the rotation adjusting shell 8, and simultaneously, the angle positioning pin 17 is always fixed with the rotating rod 16 in angle relatively, so that when the fan-shaped ratchet gear I20 structure and the fan-shaped ratchet gear II 24 structure are mutually meshed and clamped, the rotation adjusting shell 8 and the rotating rod 16 cannot rotate relatively. When the gland 21 of angle locating pin 17 is pressed down, angle locating pin 17 makes II 24 structures of fan-shaped ratchet break away from I20 structures of fan-shaped ratchet along square hole direction lapse, dwang 16 only has articulated relation with rotating regulation shell 8 this moment, dwang 16 can adjust shell 8 relative rotation for rotating, rotate to suitable angle back at dwang 16, stop pressing angle locating pin 17, angle locating pin 17 upwards kick-backs along the square hole under the effect of II 18 elastic restoring forces of spring, thereby it is fixed to carry out the interlock screens to I20 structures of fan-shaped ratchet again.
Preferably, the outer diameter of the cylinder 22 is smaller than the side length of the square column 23, the outer diameter of the gland 21 is larger than the side length of the square column 23, and the cross-sectional area of the sector ratchet gear II 24 is larger than the cross-sectional area of the square column 23.
The angle positioning pin 17 is formed by integrally fixing a gland 21, a cylinder 22, a square column 23 and a fan-shaped ratchet gear II 24 from top to bottom in sequence, the structures are fixed relative to the position of a central shaft of the angle positioning pin 17, the outer diameter of the cylinder 22 is smaller than the side length of the square column 23, the outer diameter of the gland 21 is larger than the side length of the square column 23, and the cross-sectional area of the fan-shaped ratchet gear II 24 is also larger than the cross-sectional area of the square column 23. The square column 23 cover of angle locating pin 17 is established inside the square hole for angle locating pin 17 can not take place relative rotation with dwang 16, and cylinder 22 stretches out to the square hole top with gland 21, and fan-shaped ratchet gear II 24 structure plays the spacing effect that keeps off the position of stroke to the square hole, is connected with spring II 18 on dwang 16 between gland 21 and the square hole periphery, and spring II 18 overlaps in cylinder 22's outside, and spring II 18 is in compression state all the time.
Preferably, the orthopedic traction structure further comprises a telescopic loop bar 25, the telescopic loop bar 25 being connected between the rotating bar 16 and the pulley yoke 2.
The telescopic sleeve rod 25 is sleeved on the rotating rod 16, the telescopic sleeve rod 25 can be operated in a telescopic mode relative to the rotating rod 16, and the rear end of the telescopic sleeve rod 25 is connected with a pulley yoke 2, a pulley 3, a traction rope 4, a weight 5, a traction bow and other traction body 6 structures.
Preferably, the number of the circular sleeve shafts is two, and the two circular sleeve shafts are integrally fixed on two sides of the ratchet plate.
Preferably, the round sleeve shaft is provided with a positioning pin hole, and a positioning pin is installed on the positioning pin hole.
The round sleeve shaft on one side is provided with a positioning pin hole for controlling the ratchet gear 7 to slide along the square pipe 26 by inserting a positioning pin.
Preferably, the traction body 6 comprises a traction bow.
Specifically, the traction structure of the present application is composed of a bidirectional ratchet structure 1 and a steering fixing structure 15. The bidirectional ratchet structure 1 mainly comprises a ratchet gear 7, a rotation adjusting shell 8, a double-ratchet shifting block 9, a top column 10 and a spring I11. The ratchet wheel 7 is sleeved on the square tube 26, the rotation adjusting shell 8 is sleeved outside the circumference of the ratchet wheel 7, and the rotation adjusting shell 8 is hinged with the circular sleeve shaft of the ratchet wheel 7, so that the rotation adjusting shell 8 and the ratchet wheel 7 can rotate relatively. The cross section of the rotary adjusting shell 8 is in the shape of a conical tumbler, the rotary adjusting shell 8 is tapered and narrowed in the front side direction, a double-ratchet shifting block 9 is hinged inside the rotary adjusting shell 8 in the front side direction position of the ratchet gear 7, and a group of ratchets meshed with the ratchets of the ratchet gear 7 are arranged on the two end positions of the end surface of the double-ratchet shifting block 9 facing the ratchet gear 7.
The double-ratchet shifting block 9 rotates angularly through the hinge axis, so that the double-ratchet shifting block 9 has three states relative to the ratchets of the ratchet gear 7, the first state is that a group of ratchets at one end of the double-ratchet shifting block 9 are mutually meshed with the ratchets at one side of the ratchet gear 7, and the double-ratchet shifting block 9 and the ratchet gear 7 are in a fixed clamping state at the moment; the second state is that a group of ratchets at the other end of the double-ratchet shifting block 9 are mutually meshed with ratchets at the corresponding position at the other side of the ratchet gear 7, and the double-ratchet shifting block 9 and the ratchet gear 7 are in a clamping and fixing state at the same time; the third state is that the double-ratchet shifting block 9 rotates to the state that the ratchets at both ends are separated from the ratchets of the ratchet gear 7. At the moment, the double-ratchet shifting block 9 does not play a role in limiting the position of the ratchet gear 7. A raised triangular sharp corner 13 is arranged at the middle position of the front side surface of the double-ratchet shifting block 9. Two sides of the double-ratchet shifting block 9 corresponding to the two sides of the rotation adjusting shell 8 are provided with shifting block open slots 12, and two sides of the double-ratchet shifting block 9 are provided with shifting block open slots 12 with a certain length extending out of the rotation adjusting shell 8, so that medical staff can adjust the rotation state of the rotation adjusting shell 8 by shifting the double-ratchet shifting block 9 outside two sides of the rotation adjusting shell, and whether the double-ratchet shifting block 9 is engaged with the ratchet gear 7 or separated from the ratchet gear 7 is controlled. And when the double-ratchet shifting block 9 and the ratchet gear 7 are mutually occluded and clamped, the front end position of the opposite side of the double-ratchet shifting block 9 is propped against the end edge of the shifting block opening groove 12.
Be provided with spring slot 14 on the rotation regulation shell 8 of two ratchet shifting block 9 front sides intermediate position, spring slot 14 internal connection has spring I11, and the spring I11 other end is connected with fore-set 10, can make fore-set 10 remove along spring slot 14 passageway direction when spring I11 appears concertina movement. The spring I11 is always in a compressed state, and the jacking column 10 always jacks the sharp-angled area 13 of the double-ratchet shifting block 9. When the double-ratchet shifting block 9 rotates to be mutually meshed and clamped with the ratchets of the ratchet gear 7, the ejection column 10 is ejected on the inclined plane of the sharp corner 13 on the opposite side of the rotation adjusting shell 8 under the ejecting action of the spring I11, so that the ejection column 10 ejecting and the shifting block opening groove 12 on the opposite side of the meshed and clamped positions of the ratchets push the double-ratchet shifting block 9, and the double-ratchet shifting block 9 and the ratchet gear 7 are enabled to be stably fixed in the clamping process under the mutual action of total three forces.
When the double-ratchet shifting block 9 rotates to be separated from the ratchets of the ratchet gear 7, the vertex of the sharp corner 13 of the double-ratchet shifting block 9 props the ejection column 10, the spring I11 is in the maximum compression state at the moment, the state is unstable, medical staff needs to manually control the state, when the rotation adjusting shell 8 rotates to a proper angle relative to the ratchet gear 7, the hand loosens the double-ratchet shifting block 9, the ejection column 10 enables the double-ratchet shifting block 9 to rotate again under the elastic propping action of the spring I11, the ejection column 10 props against the inclined plane in the area of the sharp corner 13, the double-ratchet shifting block 9 is clamped on the ratchets of the ratchet gear 7, the three forces are in the stable state again, and the rotation adjusting shell 8 and the ratchet gear 7 are in the fixed state again.
Example 2
As shown in fig. 1 to 10, the traction frame of the embodiment of the present invention comprises any one of the above ratchet clamping type orthopedic traction structures applied on the traction frame.
The utility model discloses an among the traction frame, two-way ratchet structure 1 can be so that medical staff stir two ratchet shifting block 9 in two directions and has realized carrying out quick stripping and slicing to ratchet 7 in two states that the interlock screens is fixed and break away from, the operation of very big simplification, when the break away from the state, because rotate and adjust shell 8 and can rotate around ratchet 7, can adjust then and rotate and adjust the fixed height and the angle of shell 8 on square pipe 26. Simultaneously, the sharp-angled 13 structure of the double-ratchet shifting block 9 is matched with the ejection column 10 and the spring I11 to be ejected, the ejection column 10 can be always ejected on the inclined plane of the sharp-angled 13 when no external force acts, the interlocking clamping position of the ratchet and the ejection block opening groove 12 are matched to eject the double-ratchet shifting block 9, and the stable fixed state of the double-ratchet shifting block 9 and the ratchet gear 7 is ensured in the clamping process under the mutual action of total three forces.
Preferably, the sliding tube is a square tube 26.
The utility model provides a draw structure and to its height stable regulation when patient's low limbs pull, still have the bending steering effect of horizontal direction simultaneously, draw the structure and can outwards slide to the avris on square pipe 26, then draw patient's low limbs to the outside of drawing frame upright post 27 to buckling to the outside to need not to set up the structure of drawing on flexible square pipe 26 and flexible square pipe 26 in square pipe 26 both sides, simple structure low cost. The square tube 26 prevents the pulling structure from rotating relative to the square tube 19
Preferably, the traction frame comprises: the orthopedic traction structure comprises two upright columns vertically fixed at the tail of a sickbed in a sleeved mode, traction frame upright tube columns 27 sleeved on the upright columns, a plurality of horizontal traction frame cross rods 28 fixedly connected between the two traction frame upright tube columns 27 in an up-down distribution mode, square tubes 26 synchronously sleeved on square tube sleeves 29 and two square tube sleeves 29 respectively sleeved on the two traction frame upright tube columns 27, and the orthopedic traction structure is arranged on the square tubes 26.
The traction frame is mainly used for traction of lower limbs of patients with lower limb fracture. The traction frame is sleeved on a vertical fixed upright post (not shown in the figure) at the tail of a sickbed, and the upright posts are respectively vertically fixed at the left and the right of the tail of the sickbed. A plurality of horizontal traction frame cross rods 28 are vertically distributed and fixedly connected between the two traction frame upright posts 27 sleeved on the upright posts to form a complete traction frame. The two traction frame upright cylinder columns 27 of the traction frame are respectively sleeved with square pipe sleeves 29, and the two square pipe sleeves 29 are synchronously sleeved with a horizontal square pipe 26. The left and right sides of the square pipe 26 are respectively sleeved with a traction structure.
The utility model discloses an innovation technical point and beneficial effect lie in at least:
1. the technical scheme of this application in two-way ratchet structure 1 can make medical staff stir two ratchet shifting block 9 in two directions and realized carrying out quick stripping to the ratchet of ratchet gear 7 on two states that the interlock screens is fixed and break away from, the operation of very big simplification, when breaking away from the state, because rotate and adjust the shell 8 and can rotate around ratchet gear 7, can adjust then and rotate fixed height and the angle of adjusting the shell 8 on square pipe 26. And the stability when the angle is fixed is guaranteed by adopting a structural mode that the ratchet is occluded, clamped and fixed, and the safety of a patient is greatly guaranteed.
2. The sharp corner 13 structure cooperation fore-set 10 of two ratchet shifting blocks 9 and spring I11 carry out the shore, can be when no exogenic action fore-set 10 can shore on sharp corner 13 inclined plane all the time to cooperate the interlock screens of ratchet and the shoring of shifting block open slot 12 to two ratchet shifting blocks 9, make two ratchet shifting blocks 9 and ratchet 7 guarantee stable fixed state at the screens in-process under the total three power interact.
3. The steering fixing structure 15 is fixed together with the rotation adjusting shell 8 by using a fan-shaped ratchet gear I20 structure, and moves up and down through an angle positioning pin 17 which performs angle fixing with the rotating rod 16, so that the quick switching of two states of relative clamping fixing and separation of a fan-shaped ratchet gear II 24 structure relative to the fan-shaped ratchet gear I20 structure is realized. Simple structure for the dwang 16 rotates and can to be changeed promptly and lock, and the elastic restoring force effect of cooperation spring II 18 can make to turn to fixed knot and construct 15 and be in the stable condition that the angle is fixed all the time under no exogenic action.
4. Compared with the traditional traction, the traction device is fixed on the two sides of the round rod of the traction frame through the assembling telescopic rod, so that the lower limbs of a patient are pulled on the side, the structure of the traction device can slide outwards to the side on the square pipe 26, then the outer side of the upright post 27 of the traction frame is bent outwards to pull the lower limbs of the patient, the traction structure on the square pipe 26 and the telescopic square pipe 26 is not required to be arranged on the two sides of the square pipe 26, parts are saved, the structure is simple, the cost is low, the effect with the large angle regulation range is achieved, the lower limbs of the patient can be suspended and pulled at any position, the degree of freedom is greatly improved, and meanwhile, the comfort is greatly improved.
5. This application is on the basis of guaranteeing pulley yoke 2 can not drop, simple structure, and the few counter weight of materials is light, and the medical staff of very being convenient for changes the traction frame.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an use ratchet screens formula orthopedics traction structure on traction frame, the last slip tube that is provided with of traction frame, orthopedics traction structure sets up on the slip tube, its characterized in that, orthopedics traction structure includes: the device comprises a bidirectional ratchet structure, a pulley frame, pulleys, a traction rope, weights and a traction body; the bidirectional ratchet structure comprises: the ratchet wheel, the rotation adjusting shell, the double-ratchet shifting block, the top column and the spring I; the ratchet gear comprises a ratchet disc and a circular sleeve shaft coaxially connected with the ratchet disc, the ratchet disc and the circular sleeve shaft are sleeved on the sliding pipe, a circular sleeve shaft hole and a ratchet disc hole are formed in the rotary adjusting shell, the ratchet gear is accommodated in the ratchet disc hole through the ratchet disc, and the rotary adjusting shell is movably sleeved after the circular sleeve shaft is accommodated in the circular sleeve shaft hole;
the rotating adjusting shell is internally hinged with the double-ratchet shifting block, the rotating adjusting shell is provided with two shifting block open slots, two ends of the double-ratchet shifting block in the length direction correspondingly extend out of the shifting block open slots, two ends of one side face of the double-ratchet shifting block in the width direction are respectively provided with a group of ratchets meshed with the ratchets of the ratchet disc, the middle position of the other side face of the double-ratchet shifting block in the width direction is provided with a raised triangular sharp corner, the rotating adjusting shell is provided with a spring groove, a spring I is arranged in the spring groove, the spring I is connected with the ejection column and is always in a compression state, and the ejection column abuts against the sharp corner; when one group of ratchets of the double-ratchet shifting block are meshed with the ratchets of the ratchet disc, the ejection column is abutted against an inclined plane of the sharp corner, and the shifting block open slot and the end part of the double-ratchet shifting block are in an ejecting state;
the pulley yoke is hinged on the rotation adjusting shell, and the pulley is arranged on the pulley yoke; the traction rope is arranged on the pulley in a penetrating mode, one end of the traction rope is connected with the weight, and the other end of the traction rope is connected with the traction body which is used for being fixed at the ankle of a patient needing traction.
2. The ratchet clamping type orthopedic traction structure applied to a traction frame as claimed in claim 1, wherein the orthopedic traction structure further comprises a steering fixing structure, the steering fixing structure comprises: a rotating rod, an angle positioning pin and a spring II; the rotary adjusting shell is provided with a U-shaped groove, a fan-shaped ratchet gear I is arranged on the periphery of the rotary adjusting shell on one side of the U-shaped groove, a square hole is formed in the rotating rod, the angle positioning pin comprises a gland, a cylinder, a square column and a fan-shaped ratchet gear II which are sequentially connected, the angle positioning pin penetrates through the square hole and extends out of two ends of the square hole, the spring II is sleeved on the cylinder between the gland and the rotating rod and is always in a compressed state, the fan-shaped ratchet gear II is attached to the rotating rod, the rotating rod is hinged in the U-shaped groove, and the fan-shaped ratchet gear II is meshed with the fan-shaped ratchet gear I; the pulley yoke is hinged to the rotating rod.
3. The ratchet clamping type orthopedic traction structure applied to a traction frame as claimed in claim 2, wherein the outer diameter of the cylinder is smaller than the side length of the square column, the outer diameter of the pressing cover is larger than the side length of the square column, and the cross-sectional area of the fan-shaped ratchet gear II is larger than the cross-sectional area of the square column.
4. The orthopedic traction structure with ratchet clamping function applied to the traction frame as claimed in claim 2, further comprising a telescopic loop bar connected between the rotation bar and the pulley yoke.
5. The ratchet clamping type orthopedic traction structure applied to the traction frame as claimed in claim 1, wherein the number of the said circular sleeve shafts is two, and the two said circular sleeve shafts are integrally fixed on both sides of the said ratchet plate.
6. The ratchet clamping type orthopedic traction structure applied to the traction frame as claimed in claim 1, wherein the round sleeve shaft is provided with a positioning pin hole, and a positioning pin is installed on the positioning pin hole.
7. The ratchet clamping type orthopedic traction structure applied to a traction frame as claimed in claim 1, wherein the traction body comprises a traction bow.
8. A traction frame, characterized in that, it comprises the ratchet clamping type orthopaedics traction structure applied on the traction frame of any one of claims 1 to 7.
9. The hitch frame of claim 8, wherein the sliding tube is a square tube.
10. The hitch frame of claim 9, wherein the hitch frame comprises: cup joint two stands of the vertical fixed of sick bed tailstock department, the cover is located traction frame upright barrel post on the stand, be upper and lower distribution fixed connection two a plurality of horizontally traction frame horizontal poles, two between the traction frame upright barrel post on the traction frame upright barrel post respectively the cover establish square pipe box, two the synchronous cover of establishing is sheathe in square pipe, orthopedics pulls the structure setting and is in square pipe is last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020504271.1U CN212730094U (en) | 2020-04-09 | 2020-04-09 | Ratchet clamping type orthopedic traction structure applied to traction frame and traction frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020504271.1U CN212730094U (en) | 2020-04-09 | 2020-04-09 | Ratchet clamping type orthopedic traction structure applied to traction frame and traction frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212730094U true CN212730094U (en) | 2021-03-19 |
Family
ID=74984959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020504271.1U Active CN212730094U (en) | 2020-04-09 | 2020-04-09 | Ratchet clamping type orthopedic traction structure applied to traction frame and traction frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212730094U (en) |
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2020
- 2020-04-09 CN CN202020504271.1U patent/CN212730094U/en active Active
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