CN208741228U - Bone traction frame - Google Patents

Abstract

The utility model provides a kind of bone traction frame, belongs to the field of medical instrument technology.Including the traction component for installing tractor, the draw bar for driving traction component to move along lead, the support component for being set in the guidance set for being used to be oriented to and limit outside draw bar, being used to support guidance set positioned at guidance set lower section；Traction component is rotatablely installed by the first rotary components relative to draw bar, and guidance set is equipped with the first fastening handle for fastening draw bar.Bone traction frame provided by the utility model compared with prior art, significantly improves the draft travel of hitch frame, and can facilitate installation direction of the setting tractor relative to hitch frame, easy to operate, widely applicable, is suitable for promoting in clinical medicine.

Description

Bone traction frame

Technical field

The utility model belongs to the field of medical instrument technology, is to be related to a kind of bone traction frame more specifically.

Background technique

Bone traction is reset, fixation and the treatment method of many other orthopaedic disease one of of the orthopaedics for fracture, clinical On generally use hitch frame to carry out Bone traction.The stroke of existing hitch frame is generally less than 400mm, is not able to satisfy big row The traction requirements of journey；For operator when carrying out Bone traction, the fixed-direction of tractor (traction work or drawing shoes) is varied, Need hitch frame that can provide a variety of installation sites and installation direction for tractor.

Utility model content

The utility model provides a kind of bone traction frame, it is intended to which hitch frame stroke is shorter in the prior art and draws for solution Device installation direction single the technical issues of not being able to satisfy practical application request.

To achieve the above object, the technical solution adopted in the utility model is to provide a kind of bone traction frame, including is used for The traction component of tractor is installed, the draw bar for driving the traction component to move along lead, is set in described lead Draw the guidance set outside bar for being oriented to and limiting, be used to support the branch of the guidance set positioned at the guidance set lower section Support component；The traction component is rotatablely installed by the first rotary components relative to the draw bar, is set on the guidance set There is the first fastening handle for fastening the draw bar.

Further, the traction component includes for installing the axis ear of tractor, being located at axis ear end for solid The sleeve of the fixed axis ear, positioned at the sleeve inner be used to that the sleeve to be driven to move along the sleeve axis direction first Lead screw, the fixing seat with first threads of lead screw with merging for being connect with first rotary components；The fixed seating In the sleeve inner, the sleeve is equipped with for making the sleeve relative to the fixing seat along the sleeve axis direction Mobile fluting, the shaft end of first lead screw are equipped with the driving handle for driving the first lead screw rotation.

Further, one end that the axis ear is located at the sleeve inner is equipped with the rotation being rotatably assorted with the sleeve Axis, the sleeve are equipped with the second fastening handle for fastening the rotary shaft.

Further, first rotary components include the fixing axle being fixedly connected with the draw bar, be set in it is described Rotating shaft tube and the fixing axle outside fixing axle and for rotating around the fixing axle are threadedly engaged and are used to drive described The first outer shaft that fixing axle is moved along the fixing axle axis direction；The fixing axle is far from described draw bar one end and described Rotating shaft tube inner tube wall is equipped with mutually engageable face gear, and the rotating shaft tube passes through institute far from described draw bar one end It states fluting to be fixedly connected with the fixing seat, be equipped in the first outer shaft lantern ring week for driving the first outer shaft rotation Third fastening handle.

Further, the guidance set includes the guide pad for being oriented to and limiting, and the guide pad is equipped with and is used for The through-hole for passing through the draw bar, the through-hole inside are equipped with to be used to support the draw bar and guide it and move along lead Dynamic multiple idler wheels, multiple idler wheels are arranged in the through-hole up and down.

Further, it is equipped with inside the through-hole and is fixedly connected with first fastening handle and is used to prevent the traction The wear strip that bar scratches.

Further, the support component includes the outer column being mutually arranged and inner column, for driving the inner column The second lead screw moved up and down along the outer column；It is equipped with inside the outer column for being oriented to and the non-metal guide of abrasionproof Item, the rod end of second lead screw are equipped with the second driving handle for driving the second lead screw rotation.

It further, further include for making the second rotation that the guidance set rotates centered on the axis of support component Component, second rotary components are located above the support component, and are located at the lower section of the guidance set.

Further, second rotary components include can mutually tooth engagement upper spiral sleeve and lower spiral sleeve, set It is located at the second outer shaft being threadedly engaged outside the lower spiral sleeve and with the lower spiral sleeve；The lower spiral sleeve with The engagement end face of the upper spiral sleeve is equipped with guide post, and the guide post runs through the upper spiral sleeve, the upper spiral Axle sleeve can be rotated around the guide post；The guiding band of column week is equipped with spring, the upper spiral sleeve and the lower spiral sleeve When engagement, the spring is in compressive state；The lower spiral sleeve is connect with the support component, the upper spiral sleeve with The guidance set connection.

Further, the upper spiral sleeve top is equipped with fixed plate and can be around the rotation plate of fixed plate rotation, the pendulum Rotating plate is fixed below the guidance set, and the fixed plate is fixed on above the upper spiral sleeve, is set on the rotation plate There is the adjusting through slot of adjustable rotation angle.

Bone traction frame beneficial effect provided by the utility model is, compared with prior art, will be used for fixed traction The traction component of device is mounted on draw bar, by be equipped with outside traction burr guidance set for being oriented to and limiting and Support component below guidance set, then hitch frame can be fixed on target position by operator, be drawn by mobile Bar may be implemented traction component and move along the big stroke of draw bar axis direction, and stroke is up to 1200mm；In addition, passing through setting first Traction component is rotatably installed on draw bar by rotary components, realizes rotation of the traction component relative to draw bar, according to demand Installation direction of the traction component relative to draw bar is set, and then realizes a variety of installation directions of tractor.The utility model mentions The bone traction frame of confession significantly improves the draft travel of hitch frame, and setting tractor can be facilitated relative to hitch frame Installation direction, it is easy to operate, it is widely applicable, it is suitable for being promoted in clinical medicine.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without creative efforts, can be with root Other attached drawings are obtained according to these attached drawings.

Fig. 1 is the structural schematic diagram of bone traction frame provided by the embodiment of the utility model；

Fig. 2 is the structural schematic diagram of traction component provided by the embodiment of the utility model；

Fig. 3 is the structural schematic diagram of the first rotary components provided by the embodiment of the utility model；

Fig. 4 is the structural schematic diagram of guidance set provided by the embodiment of the utility model；

Fig. 5 is the structural schematic diagram of support component provided by the embodiment of the utility model；

Fig. 6 is the structural schematic diagram of the second rotary components provided by the embodiment of the utility model；

Fig. 7 is the mounting structure schematic diagram of rotation plate and fixed plate provided by the embodiment of the utility model.

Wherein, each appended drawing reference in figure:

1- traction component；101- axis ear；102- sleeve；1021- fluting；The first lead screw of 103-；104- fixing seat；105- drives Fixed handle；106- rotary shaft；The second fastening handle of 107-；2- draw bar；3- guidance set；301- guide pad；302- idler wheel； 303- through-hole；303- wear strip；304- side plate；4- support component；401- outer column；402- inner column；The second lead screw of 403-； The second driving handle of 404-；405- non-metal guide item；The first rotary components of 5-；501- fixing axle；502- rotating shaft tube； 5021- tapered portion；The first outer shaft of 503-；504- first end face gear；505- third fastening handle；The second rotary components of 6-； The upper spiral sleeve of 601-；Spiral sleeve under 602-；The second outer shaft of 603-；The 4th fastening handle of 604-；605- guide post； 606- spring；607- second end face gear；The first fastening handle of 7-；8- rotation plate；801- adjusts through slot；802- fastening screw； 9- fixed plate.

Specific embodiment

In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.

It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element On one element or indirectly on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.

It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is that orientation based on the figure or position are closed System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features." multiple ", " several " are meant that two in the description of the present invention, It is a or more than two, unless otherwise specifically defined.

Also referring to Fig. 1, now bone traction frame provided by the utility model is illustrated.A is to leading for hitch frame Draw direction, common tractor includes but is not limited to traction bow and traction shoes.Bone traction frame includes for installing tractor Traction component 1, for driving traction component 1 along the draw bar 2 that lead A is moved, being set in outside draw bar 2 for being oriented to The support component 4 of guidance set 3 is used to support with the guidance set 3 of limit, below guidance set 3, traction component 1 passes through First rotary components 5 are rotatablely installed relative to draw bar 2, and guidance set 3 is equipped with the first fastening hand for fastening draw bar 2 Handle 7.

When practical application, traction component 1 is mounted on to the end of draw bar 2,2 other end of draw bar passes through guidance set 3, Draw bar 2 can be pushed the back-and-forth motion for being moved forward and backward along lead A, and then realizing traction component 1 by operator.Traction Bar 2 can be square bar, round bar or rectangular shaft, and draw bar 2 selects square steel in the present embodiment, and traction component 1, which is mounted on, to be led Draw the one side of bar 2, then draw bar 2 can rotate in guidance set 3 according to four faces of square steel, realize traction component 1 four The installation in direction, and square steel is more convenient the first fastening handle 7 and fastens to draw bar 1.

Traction component 1 is mounted on draw bar 2 by the first rotary components 5, and traction component 1 can turn relative to draw bar 2 Dynamic, the rotation axis of traction component 1 can also be parallel to the axis of draw bar 2 perpendicular to the axis of draw bar 1.This implementation In example, the rotation axis of traction component 1 can realize that traction component 1 is flat relative to draw bar 2 perpendicular to the axis of draw bar 2 at this time Row installation, is parallel to lead A jointly.

Compared with prior art, the traction component for being used for tractor for fixing is mounted on draw bar by the utility model, is led to It crosses and is equipped with the guidance set for being oriented to and limiting and the support component below guidance set outside traction burr, then Hitch frame can be fixed on target position by operator, and traction component may be implemented along traction rod axis by mobile draw bar The big stroke in direction is mobile, and stroke is up to 1200mm；It is led in addition, being rotatably installed in traction component by the first rotary components of setting Draw on bar, realize rotation of the traction component relative to draw bar, installation of the traction component relative to draw bar is set according to demand Direction, and then realize a variety of installation directions of tractor.Bone traction frame provided by the utility model significantly improves traction The draft travel of frame, and installation direction of the setting tractor relative to hitch frame can be facilitated, it is easy to operate, it is widely applicable, be suitable for It is promoted in clinical medicine.

Further, referring to Fig. 2, a kind of specific embodiment as bone traction frame provided by the utility model, Traction component 1 includes the axis ear 101 for installing tractor, positioned at 101 end of axis ear for fixing axle ear 101 sleeve 102, It is used for the first lead screw 103 of the back-and-forth motion of drive sleeve 102 inside sleeve 102, is threadedly engaged and is used in combination with the first lead screw 103 In the fixing seat 104 being connect with the first rotary components 5；Fixing seat 104 is located inside sleeve 102, on sleeve 102 be equipped be used for The shaft end of the fluting 1021 for being moved forward and backward sleeve 102 relative to fixing seat 104, the first lead screw 103 is equipped with for driving first The driving handle 105 that lead screw 103 rotates.

First lead screw 103 be ball-screw, fixing seat 104 be equipped with tapped through hole, the first lead screw 103 through tapped through hole with Fixing seat 104 is threadedly engaged, and the opposite shifting of the first lead screw 103 and fixing seat 104 may be implemented in driving the first lead screw 103 rotation Dynamic, the first lead screw 103 is fixed on sleeve 102, and fixing seat 104 is fixedly connected with the first rotary components 5, and fixing seat 104 is located at Inside sleeve 102, sleeve 102 is equipped with fluting 1021, and 103 shaft end of the first lead screw is equipped with driving handle 105, then rotates driving Handle 105 can be moved forward and backward with drive sleeve 102 relative to the first rotary components 5, i.e. realization traction component 1 is relative to traction Bar 2 is moved forward and backward.Preferably, can sleeve 102 close to 105 end of driving handle be arranged for mark traction component 1 relative to The dial of 2 relative movement distance of draw bar.Traction component may be implemented relative to the opposite shifting of draw bar in the design of this structure It moves, the fine tuning of realization tractor installation site, in practical application, can be sent traction component by draw bar attached to target position Closely, then rotate driving handle accurately adjusts the position of traction component and draw operations, using closer to clinical practice Operating condition.

Further, referring to Fig. 2, a kind of specific embodiment as bone traction frame provided by the utility model, Axis ear 101 is located at one end inside sleeve 102 and is equipped with the rotary shaft 106 being rotatably assorted with sleeve 102, and sleeve 102, which is equipped with, to be used In the second fastening handle 107 of fastening rotary shaft 106.Rotary shaft 106 is fixed on 102 one end of sleeve, is located inside sleeve 102, Second fastening handle 107 includes handle and the stud being fixed on handle, stud and the fastening nut spiral shell being fixed on sleeve 102 Line cooperation, may be implemented screwing and unscrewing for the second fastening handle 107.Preferably, rotary shaft position ring week corresponding with stud Offer with the matched groove of stud size, when the second fastening handle is screwed, stud be inserted into inside grooves, fastening more may be used It leans on.The setting of this structure may be implemented axis ear relative sleeve rotation installation and fix, so that the fixation position of tractor is more more Sample.

Further, referring to Fig. 3, a kind of specific embodiment as bone traction frame provided by the utility model, First rotary components 5 include the fixing axle 501 being fixedly connected with draw bar 2, are set in 501 outside of fixing axle and for around fixation The rotating shaft tube 502 and fixing axle 501 that axis 501 rotates are threadedly engaged and for driving fixing axle 501 along 501 axis of fixing axle The first mobile outer shaft 503 of direction；Fixing axle 501 is equipped with far from draw bar one end and 502 inner tube wall of rotating shaft tube can phase The first end face gear 504 mutually engaged, rotating shaft tube 502 is fixedly connected far from 2 one end of draw bar with fixing seat 104, outside first 503 ring week of axle sleeve is equipped with the third fastening handle 505 for driving the first outer shaft 503 to rotate.

Fixing axle 501 is fixed on draw bar 2, the inner wall and 501 clearance fit of fixing axle of rotating shaft tube 502, rotary shaft Cylinder 502 can be rotated around fixing axle 501, and the one end of rotating shaft tube 502 far from draw bar 2 is fixedly connected with fixing seat 104, fixed Seat 104 is threadedly engaged with the first lead screw 103, then rotating shaft tube 502 is rotated around fixing axle 501, so realization traction component 1 around Draw bar 2 rotates.End of the fixing axle 501 far from draw bar 2 is taper, and the position that rotating shaft tube 502 rotates cooperation is set There is tapered portion 5021, it may be convenient to be positioned, rotating shaft tube 502 is avoided to shake in fixing axle 501.

Fixing axle 501 is multi-diameter shaft, and the first shaft portion diameter of axle of the fixing axle 501 close to 2 end of draw bar is smaller, the first outer shaft 503 are mounted on the stepped locations of fixing axle 501, and the first outer shaft 503 and first shaft portion rotation are hinged, with the diameter of axle biggish the Two axle portions are threadedly engaged, and the first outer shaft 503 of rotation can be such that it moves along 501 axis direction of fixing axle, due to the first outer shaft Axis direction of the set 503 with fixing axle 501 in fixing axle is fixed, therefore rotating the first outer shaft 503 can drive fixing axle 501 to rotation Shaft cylinder 502 is close.Fixing axle 501 one end and 502 inner tube wall of rotating shaft tube far from draw bar 2 are equipped with mutually engageable First end face gear 504, fixing axle 501 engage first end face gear 504 close to rotating shaft tube 502, realize rotating shaft tube 502 with the locking of fixing axle 501.It is equipped with the third fastening handle 505 for driving it to rotate in 503 ring week of first outer shaft, the There are three three fastening handles 505, in 505 external rings Zhou Junbu of the first outer shaft, facilitates operation.The setting of this structure may be implemented Traction component is installed relative to the rotation of draw bar, and using the design of tapered portion, can effectively be avoided in rotary course It shakes, and tooth engagement is reliable and stable, traction component can be made relative to draw bar, and reliably according to target direction is fixed.

Further, referring to Fig. 4, a kind of specific embodiment as bone traction frame provided by the utility model, Guidance set 3 includes the guide pad 301 for being oriented to and limiting, and the guide pad 301 is equipped with for passing through draw bar 2 Through-hole, through-hole inside are equipped with the multiple idler wheels 302 for being used to support draw bar 2 and guiding it mobile in lead A, multiple idler wheels About 302 are arranged in through-hole.

Guide pad 301 can be rectangular block, square block or special-shaped block, and guide pad 301 is rectangular block in the present embodiment, lead It is equipped with the through-hole for passing through draw bar 2 to block 301, the size of through-hole is slightly larger than the size of draw bar 2, then draw bar 2 It can be slided along the axis direction of the through-hole of guide pad 301, realize operation of the draw bar 2 on lead A.It is set inside through-hole There is an idler wheel 302, idler wheel 302 has multiple, and idler wheel 302 there are 4 in the present embodiment, and 4 arrangements symmetrical above and below of idler wheel 302 are right up and down The distance between idler wheel 302 being arranged is referred to as the height dimension of draw bar 2, and draw bar 2 is preferably square steel, then through-hole also matches For square hole, then draw bar 2 can rotate in guide pad 301 according to four faces of square steel, realize the installation of four direction.It is right up and down Claim the idler wheel 302 of arrangement along through-hole direction as close as possible to the edge of guide pad 301.The design of idler wheel can be convenient draw bar and lead Moved inside to block, and as slight deformation occurs for draw bar will not be stuck, facilitate operator carry out draw operations.

Further, referring to Fig. 4, a kind of specific embodiment as bone traction frame provided by the utility model, The wear strip 303 being fixedly connected with the first fastening handle 7 and for preventing the draw bar scuffing is equipped with inside through-hole.

First fastening handle 7 is located at the side of rectangular guide pad 301, and the first fastening handle 7 is located at the upper of guide pad 301 Portion.First fastening handle 7 includes that operation handle and the screw rod for being threadedly coupled with guide pad 301, rotation process handle make spiral shell Bar squeezes the fixation that the draw bar 2 being located inside guide pad 301 completes draw bar 2, and scuffing is easy when screw extruding draw bar 2 and is led Draw bar 2.In the present embodiment, it is equipped with wear strip 303 in screw rod and 2 contact jaw of draw bar, the material of wear strip 303 is preferably copper, It is possible to prevente effectively from screw rod scratches draw bar 2；Preferably, through-hole internal side wall is equipped with abrasionproof side plate 304.Wear strip 303 Setting can effectively avoid the first fastening handle 7 from scratching draw bar 2, and wear strip 303 can be used as a vulnerable part, periodically It is replaced.

Further, Fig. 1 and Fig. 5 are please referred to, a kind of specific implementation as bone traction frame provided by the utility model Mode, support component 4 include the outer column 401 being mutually arranged and inner column 402, for driving inner column 402 along outer column 401 The second lead screw 403 moved up and down；Inside outer column 401 be equipped with for be oriented to the non-metal guide item 404 of abrasionproof, second The rod end of thick stick 403 is equipped with the second driving handle 404.

Outer column 401 and inner column 402 are set-located, and second lead screw 403 is ball-screw, and the 403 of the second lead screw One end is fixed on outer column 401, and the other end is connect by fixture nut with inner column 402, then rotating the second lead screw 403 can be with Realize that inner column 402 is moved up and down relative to outer column 401, this has the second driving handle 404 to 403 shaft end of the second lead screw, convenient Operation.401 inner wall of outer column is equipped with for be oriented to and the non-metal guide item 405 of abrasionproof simultaneously, can effectively be avoided interior Column 402 shakes or scratches in outer column 401.Design by the second lead screw connecting with outer column and inner column, can To realize that inner column is moved up and down relative to outer column, the length of support component is adjusted.

Further, referring to Fig. 6, a kind of specific embodiment as bone traction frame provided by the utility model, It further include the second rotary components 6 for rotating guidance set 3 centered on the axis of support component 4, the second rotary components 6 Above support component 4, and it is located at the lower section of guidance set 3.Second rotary components 6 can be the axis and axis being hinged Set, or the circular sleeve to be rotatably assorted.Guidance set may be implemented around support component by the way that the second rotary components are arranged Axis 360 degree rotation, increases the position location of draw bar, and then increases the position location of traction component, can be better Adapt to more operating conditions.

Further, referring to Fig. 5, a kind of specific embodiment as bone traction frame provided by the utility model, Second rotary components 6 include mutually the upper spiral sleeve 601 of tooth engagement and lower spiral sleeve 602, being set in lower spiral sleeve 602 the second outer shaft 603 is threadedly engaged outside 602 and with lower spiral sleeve；Lower spiral sleeve 602 and upper spiral sleeve 601 It engages end face and is equipped with guide post 605, guide post 605 runs through upper spiral sleeve 601, and upper spiral sleeve 601 can be around guide post 605 rotations；605 ring week of guide post is equipped with spring 606, when upper spiral sleeve 601 is engaged with lower spiral sleeve 602, at spring 606 In compressive state；Upper spiral sleeve 601 is connect with support component 4, and lower spiral sleeve 602 is connect with guidance set 3.

Lower 602 upper end of spiral sleeve is equipped with second end face gear 607, and upper 601 lower end of spiral sleeve is equipped with a circular groove, Groove, which is equipped with, can be equipped with and pass through with the intermeshing second end face gear 607 of lower spiral sleeve 602, lower spiral sleeve 602 The guide post 605 of spiral sleeve 601 is put on, upper spiral sleeve 601 is connect with support component 4, lower spiral sleeve 602 and guiding group Part 3 connects, and when upper spiral sleeve 601 and lower spiral sleeve 602 separate, upper spiral sleeve 601 can be rotated around guide post 605, And then realize guidance set 3 relative to support component 4 360 degree rotation on the axis direction of support component 4.

Lower 602 outer wall of spiral sleeve be equipped with screw thread, and be located at lower 602 ring of spiral sleeve week the second outer shaft 603 It is threadedly coupled, the second outer shaft 603 is equally set in the ring week of spiral sleeve 601, and upper spiral sleeve 601 can be outside second It is rotated inside axle sleeve 603 around guide post 605, the second outer shaft 603 is equipped with end cap, can be to avoid upper spiral sleeve 601 from second Deviate from outer shaft 603, rotate the second outer shaft 603, lower spiral sleeve 602 can be made to move up, close to upper spiral sleeve 601, so that the second end face gear 607 of spiral sleeve meshes together up and down, then upper spiral sleeve 601 can not be again relative to leading It is rotated to column 605, while tightening the second outer shaft 603 and squeezing the spiral sleeve meshed together to end cap, spiral in realization The locking of axle sleeve 601 and lower spiral sleeve 602 carries out the locking for realizing guidance set 3 and support component 4.Second outer shaft 603 Outside is equipped with the 4th fastening handle 604, can be convenient operator and operates.

605 ring week of guide post is equipped with spring 606, when upper spiral sleeve 601 is engaged with lower spiral sleeve 602, at spring 606 In compressive state, opposite direction rotates the 4th fastening handle, the spiral sleeve meshed together can be detached from end cap, the bullet of compression Spring 606, which bounces, separates upper spiral sleeve 601 and lower spiral sleeve 602, at this point, upper spiral sleeve 601 can be around guide post 605 Rotation.Pass through the design of this structure, it may be convenient to realize the rotation and locking for carrying out realizing guidance set 3 and support component 4.

Further, referring to Fig. 7, a kind of specific embodiment as bone traction frame provided by the utility model, It is equipped with fixed plate 9 above upper spiral sleeve 601 and guidance set 3 can be fixed on around the rotation plate 8 of 9 rotation of fixed plate, rotation plate 8 Lower section, fixed plate 9 are fixed on 601 top of spiral sleeve, and rotation plate 8 is equipped with the adjusting through slot of adjustable rotation angle 801。

Fixed plate 9 and rotation plate 8 are detachably connected, and rotation plate 8 can be around fixed plate perpendicular to support component axis It is rotated in the plane at place.Fixed plate 9 is fixed on spiral sleeve 601, and guide post 605 is after upper spiral sleeve 601 Partial insertion fixed plate 9, fixed plate 9 are preferably semi-cylindrical, and the face that fixed plate 9 and rotation plate 8 cooperate is equipped with threaded hole, Rotation plate 8 is fixed on the lower section of guidance set 3, and rotation plate 8 is preferably L-type plate, sets on the face that rotation plate 8 cooperates with fixed plate 9 There is the adjusting through slot 801 of adjustable rotation angle, fastening screw 802 passes through the adjusting through slot 801 and matches with 9 screw thread of fixed plate It closes, rotation plate 8 is fixed in fixed plate 9, the face end that rotation plate 8 and fixed plate 9 cooperate is circular arc, and rotation plate and fixation Height dimension of 9 mating surface of plate etc. and 9 height dimension of fixed plate, rotation plate 8 around fixed plate 9 rotate when circular arc type end side with it is upper The contact of spiral sleeve 601 is used to support guidance set 3, and will not interfere with upper spiral sleeve 601.It can be mutual by setting The rotation plate and fixed plate of rotation realize guidance set and put down where the axis perpendicular to support component relative to support component Rotation on face, increases the position location of draw bar, and then increases the position location of traction component, can preferably adapt to More operating conditions.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. bone traction frame, it is characterised in that: including for installing tractor traction component, for driving the traction component The draw bar that is moved along lead, be set in guidance set outside the draw bar for being oriented to and limiting, be located at it is described The support component of the guidance set is used to support below guidance set；The traction component by the first rotary components relative to The draw bar rotational installation, the guidance set are equipped with the first fastening handle for fastening the draw bar.

2. bone traction frame as described in claim 1, it is characterised in that: the traction component includes for installing tractor Axis ear, is used to drive the sleeve positioned at the sleeve inner sleeve for being used to fix the axis ear positioned at axis ear end The first lead screw for being moved along the sleeve axis direction, with first threads of lead screw with merge for the first rotation group The fixing seat of part connection；The fixed seating in the sleeve inner, the sleeve be equipped with for make the sleeve relative to The shaft end of the fluting that the fixing seat is moved along the sleeve axis direction, first lead screw is equipped with for driving described first The driving handle of lead screw rotation.

3. bone traction frame as claimed in claim 2, it is characterised in that: one end that the axis ear is located at the sleeve inner is set There is the rotary shaft being rotatably assorted with the sleeve, the sleeve is equipped with the second fastening handle for fastening the rotary shaft.

4. bone traction frame as claimed in claim 2, it is characterised in that: first rotary components include and the draw bar The fixing axle that is fixedly connected, be set in rotating shaft tube outside the fixing axle and for being rotated around the fixing axle, with it is described The first outer shaft that fixing axle is threadedly engaged and is used to that the fixing axle to be driven to move along the fixing axle axis direction；It is described solid Dead axle is equipped with mutually engageable face gear, the rotation far from described draw bar one end and the rotating shaft tube inner tube wall Beam barrel passes through the fluting far from described draw bar one end and is fixedly connected with the fixing seat, and the first outer shaft lantern ring week is equipped with For driving the third fastening handle of the first outer shaft rotation.

5. bone traction frame as described in claim 1, it is characterised in that: the guidance set includes for being oriented to and limiting Guide pad, the guide pad are equipped with the through-hole for passing through the draw bar, are equipped with inside the through-hole and are used to support institute It states draw bar and guides its multiple idler wheel moved along lead, multiple idler wheels are arranged in the through-hole up and down.

6. bone traction frame as claimed in claim 5, it is characterised in that: be equipped with inside the through-hole and the first fastening hand The wear strip that handle is fixedly connected and is used to prevent the draw bar from scratching.

7. bone traction frame as described in claim 1, it is characterised in that: the support component includes the outer column being mutually arranged With inner column, the second lead screw for driving the inner column to move up and down along the outer column；It is equipped with inside the outer column It is equipped with the non-metal guide item of abrasionproof, the rod end of second lead screw for driving the second lead screw rotation for being oriented to Second driving handle.

8. bone traction frame as described in claim 1, it is characterised in that: further include for making the guidance set to support group The second rotary components rotated centered on the axis of part, second rotary components are located above the support component, and are located at The lower section of the guidance set.

9. bone traction frame as claimed in claim 8, it is characterised in that: second rotary components include can mutual tooth engagement Upper spiral sleeve and lower spiral sleeve, be set in and be threadedly engaged outside the lower spiral sleeve and with the lower spiral sleeve Second outer shaft；The lower spiral sleeve engages end face equipped with guide post with the upper spiral sleeve, and the guide post is passed through The upper spiral sleeve is worn, the upper spiral sleeve can be rotated around the guide post；It is equipped with spring the guiding band of column week, it is described When upper spiral sleeve is engaged with the lower spiral sleeve, the spring is in compressive state；The lower spiral sleeve and the branch Support component connection, the upper spiral sleeve are connect with the guidance set.

10. bone traction frame as claimed in claim 9, it is characterised in that: be equipped with above the upper spiral sleeve fixed plate and It can be fixed on around the rotation plate of fixed plate rotation, the rotation plate below the guidance set, the fixed plate is fixed on described Above upper spiral sleeve, the rotation plate is equipped with the adjusting through slot of adjustable rotation angle.