CN208573811U - Orthopaedics steel plate pre-bending device - Google Patents

Abstract

The utility model provides a kind of orthopaedics steel plate pre-bending device, including pedestal, with the vertically disposed stand of pedestal, slide plate on stand is set, the first installation axle on two slide plates is set, lock-screw on slide plate is set, the first roll body in first installation axle is set, the upside of first roll body is equipped with for providing the second roll body of bending power to steel plate, sliding block is slideably equipped on stand, stand is equipped with two cover boards for slider guide, the interior tank for sliding block sliding is constituted between two cover boards, sliding block is equipped with the second installation axle for installing the second roll body, stand is equipped with first sliding groove corresponding with the second installation axle, worm gear is additionally provided on stand, worm screw and with for drive worm screw rotate telescopic rocker arm, closure is equipped with the lead screw for driving slide plate slides.Orthopaedics provided by the utility model steel plate pre-bending device, structure is simple, operates, is easy to use, and bending precision is high, and time saving, laborsaving, work efficiency is high.

Description

Orthopaedics steel plate pre-bending device

Technical field

The utility model belongs to the field of medical instrument technology, is to be related to a kind of orthopaedics steel plate pre-bending dress more specifically It sets.

Background technique

On Orthopedic Clinical, in steel plate screw internal fixation, the shape of medical steel plate and the physiology of fracture site should be made Bending matching therefore ensures that medical steel plate and the identical property of knochenbruch are good, and fixed effect and the medical steel plate for improving knochenbruch are solid through screw Fastness after fixed, and current medical steel plate is mostly that standard processing is carried out by position, specification, it is difficult to take into account different case bodies The differences of Physiological revealed, therefore, carrying out pre-bending processing to medical steel plate makes it more coincide with knochenbruch, often in medical steel plate Necessary operation before fixed implementation.

Clinically there has been no the Medical steel plate prebending devides of profession at present, and mostly using light instruments such as spanner, pliers Bending processing is carried out to medical steel plate, is on the one hand difficult to ensure the accuracy of bending position, bending angle, it is solid to influence medical steel plate Clinical effectiveness after fixed when on the other hand carrying out bending to medical steel plate using above-mentioned tool, is easy to make medical steel plate surface At destruction, such as generate clast or burr, directly result in medical steel plate and scrap, and to steel plate carry out pre-bending processing operation compared with For trouble, efficiency is lower, relatively elaborate.

Utility model content

The purpose of this utility model is to provide a kind of orthopaedics steel plate pre-bending devices, it is intended to solve steel in the prior art It is difficult to ensure the accuracy of bending position, bending angle when plate bending, is easy to damage medical steel plate surface, cause medical Steel plate is scrapped, and is more troublesome carrying out pre-bending processing operation to steel plate, and efficiency is lower, relatively elaborate problem.

In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of orthopaedics steel plate pre-bending device, Including pedestal, with the vertically disposed stand of the pedestal, can slide in the horizontal direction two cunning that is arranged on the stand Plate, the first installation axle being arranged on two slide plates, be arranged in first installation axle for placing the of steel plate One roll body, the upside of first roll body are equipped with for providing the second roll body of bending power to steel plate, on the stand slidably Ground is equipped with sliding block, and the stand is equipped with two cover boards for the slider guide, constitutes and be used between described two cover boards The interior tank of the sliding block sliding, the sliding block are equipped with the second installation axle for installing second roll body, the stand It is equipped with first sliding groove corresponding with second installation axle, worm gear is additionally provided on the stand, is cut with scissors on the wheel face of the worm gear It is equipped with and is engaged with the worm gear with being additionally provided on the stand for connecting the sliding block and the hinged connecting rod of the sliding block And the worm screw for driving the worm gear rotation, the top surface of the stand are equipped with the use fixed by connecting shaft with the worm screw In the telescopic rocker arm for driving worm screw rotation, the telescopic rocker arm is equipped with the handle for hand-held, on the stand It is additionally provided with the second sliding slot with slide plate slides cooperation, the end of the second sliding slot, which is equipped with, to be blocked；

The closure is equipped with lead screw for driving the slide plate slides, the lead screw include respectively with two cunnings The thread rotary orientation phase of the first threaded portion and the second threaded portion that plate is threadedly coupled, first threaded portion and second threaded portion Instead, the end of the lead screw is equipped with the wind for driving the lead screw rotation.

Further, the telescopic rocker arm include the fixed link being fixedly connected with the connecting shaft and with the fixed link The sliding bar being slidably connected, the fixed link are fixed with the sliding bar by clamping mechanism；

The clamping mechanism include the drive rod being slidably connected along the long axis direction of the sliding bar, with along it is vertical with it is described Fixture block that the glide direction of drive rod is slidably arranged on the sliding bar, be arranged in the fixed link be used for and the card Latch that block connects and fixes, the respectively push-pull rod hinged with the fixture block and the drive rod and for connecting the drive rod With the first spring of the sliding bar, the sliding bar is equipped with for accommodating the drive rod and matching with drive rod sliding The third sliding slot of conjunction is additionally provided on the sliding bar for accommodating the fixture block and being slidably matched with the fixture block the 4th sliding Slot is additionally provided with the solution lock-switch for driving the drive rod sliding on the drive rod, described in the solution lock-switch protrudes from The lateral surface of sliding bar；

Drive rod one end hinged with the push-pull rod is additionally provided with for that can be used for what the third sliding slot abutted The limiting stand of the drive rod sliding limit.

Further, first roll body is plugged in first installation axle；Second roll body is plugged on described In two installation axles.

Further, the stand is equipped with the second sliding slot cooperated with the slide plate slides, the end of the second sliding slot Portion, which is equipped with, to be blocked.

Further, the slide plate is T-type slide plate.

Further, the cover board is the L-type cover board that be located on the stand.

Further, the Its lower side is equipped with supporting leg, and the supporting leg, which is equipped with, adjusts cushion block, the adjusting cushion block It is threadedly coupled with the supporting leg, non-slip mat is equipped on the downside of the adjusting cushion block.

Orthopaedics provided by the utility model is with the beneficial effect of steel plate pre-bending device: compared with prior art, this reality With novel orthopaedics steel plate pre-bending device, the steel plate of bending is needed by two the first roll body supports, passes through two the first roll bodies Between the extruding of the second roll body steel plate bending is deformed, the second roll body passes through in the first installation axle being arranged on sliding block, sliding Block is hinged by connecting rod with worm gear, and worm gear is hinged on stand and engages with worm screw, and worm screw is coaxially fixed with telescopic rocker arm, passes through Swinging handle on telescopic rocker arm drives worm screw rotation, and worm screw drives worm gear rotation, and worm gear drives connecting rod swing, and connecting rod, which pushes, to be slided Interior tank sliding of the block between two cover boards, to drive the second roll body pressing steel plate, the transmission of worm gear and worm screw, which cooperates, to be passed The worm gear more laborsaving, worm screw drives is moved, the rotation of more laborsaving and worm gear is slower, the movement speed of the second installation axle on sliding block Degree is slow and can provide bigger extruding force, and when guarantee steel plate bending can more accurately, and worm gear has with engaging for worm screw Self-locking effect guarantees the precision of bending, and operation is more laborsaving, drives two slide plate slides by lead screw, makes the first roll body Position adjust it is more convenient, the thread rotary orientation of first threaded portion and second threaded portion is on the contrary, two slide plates can Adjusting position is far and near on a lead screw simultaneously, more convenient to use.Present apparatus structure is simple, operates, is easy to use, bending essence Degree is high, and time saving, laborsaving, work efficiency is high.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of orthopaedics steel plate pre-bending device provided by the embodiment of the utility model；

Fig. 2 is the broken section structural schematic diagram of Fig. 1；

Fig. 3 is the enlarged structure schematic diagram in Fig. 2 at A；

Fig. 4 is the unlocking structure schematic diagram of expansion chucking mechanism used by the utility model embodiment；

Fig. 5 is the closedown structure schematic diagram of expansion chucking mechanism used by the utility model embodiment.

In figure: 1, stand；11, first sliding groove；12, second sliding slot；13, cover board；14, fifth wheel；2, pedestal；21, it supports Leg；22, cushion block is adjusted；3, slide plate；31, the first installation axle；32, the first roll body；33, it blocks；41, the second installation axle；42, second Roll body；43, telescopic rocker arm；431, fixed link；4311, latch；432, sliding bar；4321, third sliding slot；4322, the 4th sliding slot； 433, the first spring；434, drive rod；4341, lock-switch is solved；435, push-pull rod；436, fixture block；437, limiting stand；44, handle； 45, sliding block；46, connecting rod；47, worm gear；48, worm screw；5, lead screw；51, the first threaded portion；52, the second threaded portion；53, wind.

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.

Also referring to Fig. 1 to Fig. 5, now orthopaedics provided by the utility model is illustrated with steel plate pre-bending device.Institute State orthopaedics steel plate pre-bending device, including pedestal 2, with the vertically disposed stand 1 of pedestal 2, be arranged on stand 1 can be along level The first installation axle 31 being arranged on two slide plates 3, consolidating on slide plate 3 for locking is arranged in two slide plates 3 of direction sliding The first roll body 32 for being used to place steel plate determining the lock-screw of slide plate 3, being arranged in the first installation axle 31, the first roll body 32 Upside is equipped with for providing the second roll body 42 of bending power to steel plate, and sliding block 45 is slideably equipped on stand 1, is set on stand 1 There are two cover boards 13 being oriented to for sliding block 45, constitutes the interior tank slided for sliding block 45, sliding block 45 between two cover boards 13 It is equipped with the second installation axle 41 for installing the second roll body 42, stand is equipped with first sliding groove corresponding with the second installation axle 41 11, worm gear 47 is additionally provided on stand 1, be hingedly equipped on the wheel face of worm gear 47 with for connection sliding block 45 and the hinged connecting rod of sliding block 46, worm screw 48 engaging with worm gear 47 and for driving worm gear 47 to rotate is additionally provided on stand 1, the top surface of stand 1 is equipped with The telescopic rocker arm 43 for drive worm screw rotate fixed by connecting shaft, telescopic rocker arm 43 are equipped with for holding with worm screw 48 The handle 44 of operation, stand 1 are equipped with the second sliding slot 12 being slidably matched with slide plate 3, and the end of second sliding slot 12, which is equipped with, to be blocked 33.Second sliding slot 12 end setting block 33, can anti-limited slip plate 3 skid off；

Closure is equipped with lead screw 5 for driving slide plate slides, and lead screw 5 includes the be threadedly coupled respectively with two slide plates The thread rotary orientation of one threaded portion 51 and the second threaded portion 52, the first threaded portion 51 and the second threaded portion 52 on the contrary, lead screw 5 end Equipped with the wind 53 for driving lead screw 5 to rotate.

Orthopaedics provided by the utility model steel plate pre-bending device, compared with prior art, by vertical on pedestal 2 Stand 1 is set, and needs the steel plate of bending by two the first roll body 32 supports, passes through second between two the first roll bodies 32 The extruding of roll body 42 deforms steel plate bending, and the second roll body 42 passes through in the first installation axle 31 being arranged on sliding block 45, sliding block 45 is hinged by connecting rod 46 with worm gear 47, and worm gear 47 is hinged on stand 1 and engages with worm screw 48, worm screw 48 and telescopic rocker arm 43 is coaxial fixed, drives worm screw 48 to rotate by the swinging handle 44 on telescopic rocker arm 43, worm screw 48 drives worm gear 47 to rotate, snail Wheel 47 drives connecting rod 46 to swing, and connecting rod 46 pushes interior tank sliding of the sliding block 45 between two cover boards 13, to drive second 42 pressing steel plate of roll body, worm gear 47 and the transmission cooperation transmission of worm screw 48 are more laborsaving, and the worm gear 47 that worm screw 48 drives more saves The power and rotation of worm gear 47 is slower, the movement velocity of the second installation axle 41 on sliding block 45 is slow and can provide bigger extruding force, Can be more accurate when guaranteeing steel plate bending, and worm gear 47 and worm screw 48 engage the essence for guaranteeing bending with self-locking effect Degree, and operation is more laborsaving, drives two slide plate slides by lead screw 5, and the position of the first roll body is made to adjust more convenient, institute The thread rotary orientation of the first threaded portion 51 and second threaded portion 52 is stated on the contrary, two slide plates can be simultaneously on a lead screw 5 Adjusting position is far and near, more convenient to use.Present apparatus structure is simple, operates, is easy to use, and bending precision is high, time saving, laborsaving, Work efficiency is high.

Further, Fig. 1 to Fig. 5 is please referred to, as orthopaedics provided by the utility model one kind of steel plate pre-bending device Specific embodiment, telescopic rocker arm 43 include the fixed link 431 being fixedly connected with connecting shaft and are slidably connected with fixed link 431 Sliding bar 432, fixed link 431 fixed with sliding bar 432 by clamping mechanism；

Clamping mechanism include the drive rod 434 being slidably connected along the long axis direction of sliding bar 432, with along vertical and drive rod Fixture block 436 that 434 glide direction is slidably arranged on sliding bar 432, be arranged in fixed link 431 be used for and fixture block 436 The latch 4311 that connects and fixes, the respectively push-pull rod 435 hinged with fixture block 436 and drive rod 434 and for connecting drive rod 434 and sliding bar 432 the first spring 433, sliding bar 432 be equipped with for accommodate drive rod 434 and with drive rod 434 slide The third sliding slot 4321 of cooperation is additionally provided with the 4th for accommodating fixture block 436 and being slidably matched with fixture block 436 on sliding bar 432 Sliding slot 4322, the solution lock-switch 4341 for driving drive rod 434 to slide is additionally provided on drive rod 434, and solution lock-switch 4341 is prominent For the lateral surface of sliding bar 432；Fixed link 431 is fixed with sliding bar 432 by clamping mechanism, is pushed and pulled by drive rod 434 Hinged push-pull rod 435 can drive fixture block 436 to slide in the 4th sliding slot 4322 therewith, to realize fixture block 436 and fixed link Latch 4311 on 431 connecting and fixing and separating, and when being locked, drive rod 434 is under the elastic force effect of the first spring 433 Fixture block 436 is pushed out to outside and 4311 clamping fixed of latch of sliding bar 432, by pushing solution lock-switch 4341 when unlock So that drive rod 434 is squeezed the first spring 433 and pull push-pull rod 435 simultaneously, push-pull rod 435 pulls fixture block 436 to slide into sliding The inside of bar 432 realizes that the separation of fixture block 436 and latch 4311 unlocks, and structure is simple, and easy to use, locking effect is good.

The one end hinged with push-pull rod 435 of drive rod 434 is additionally provided with for that can abut with third sliding slot 4321 for driving The limiting stand 437 of the sliding limit of lever 434.

Further, Fig. 1 to Fig. 5 is please referred to, as orthopaedics provided by the utility model one kind of steel plate pre-bending device Specific embodiment, the first roll body 32 are plugged in the first installation axle 31；Second roll body 42 is plugged in the second installation axle 41. First roll body 32 and the second roll body 42 are plugged on respectively in the first installation axle 31 and the second installation axle 41, can be according to curved Angle needs replacing the first roll body 32 and the second roll body 42 of different-diameter, easy to install and use.

Further, Fig. 1 to Fig. 5 is please referred to, as orthopaedics provided by the utility model one kind of steel plate pre-bending device Specific embodiment, slide plate 3 are T-type slide plate 3, and second sliding slot 12 is T-type sliding slot corresponding with T-type slide plate 3, and slide plate 3 is stress It is good to be shaped to T-type stressed effect for support plate.

Further, referring to Fig. 4, a kind of specific reality as orthopaedics provided by the utility model steel plate pre-bending device Mode is applied, cover board 13 is the L-type cover board 13 that be located on stand 1, and installation sliding block 45 is constituted among two opposite L-type cover boards 13 Card slot, sliding block 45 be equipped with chuck corresponding with cover board 13, guarantee sliding block 45 can steadily vertical direction slide, thus The second installation axle 41 is driven to slide in vertical direction.

Further, Fig. 1 to Fig. 5 is please referred to, as orthopaedics provided by the utility model one kind of steel plate pre-bending device Specific embodiment is equipped with supporting leg 21 on the downside of pedestal 2, and supporting leg 21, which is equipped with, adjusts cushion block, adjusts cushion block and supporting leg 21 It is threadedly coupled, adjusts and be equipped with non-slip mat on the downside of cushion block, be threadedly coupled by the whole cushion block 22 of promoting or transferring with supporting leg 21, adjustable bottom The height of seat 2, the stability of pedestal 2 in use can be guaranteed by adjusting setting non-slip mat on the downside of cushion block, be not forced cunning It is dynamic.

Further, a kind of specific embodiment as orthopaedics provided by the utility model steel plate pre-bending device is prevented Skidding is rubber pad, and rubber pad has the effect of antiskid, shock-absorbing, and cost is relatively low, and using effect is good.

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 (3)

1. orthopaedics steel plate pre-bending device, it is characterised in that: exist including pedestal, with the vertically disposed stand of the pedestal, setting Can slide in the horizontal direction two slide plate on the stand, the first installation axle being arranged on two slide plates, setting The upside of the first roll body for being used to place steel plate in first installation axle, first roll body is equipped with for mentioning to steel plate For the second roll body of bending power, sliding block is slideably equipped on the stand, the stand, which is equipped with, is used for the slider guide Two cover boards, the interior tank for sliding block sliding is constituted between described two cover boards, the sliding block is equipped with for pacifying The second installation axle of second roll body is filled, the stand is equipped with first sliding groove corresponding with second installation axle, described Be additionally provided with worm gear on stand, be hingedly equipped on the wheel face of the worm gear with for connecting the sliding block and the hinged company of the sliding block Bar is additionally provided with worm screw engaging with the worm gear and for driving the worm gear rotation, the top of the stand on the stand Face is equipped with the telescopic rocker arm for drive the worm screw rotate fixed by connecting shaft with the worm screw, the telescopic rocker arm It is equipped with the handle for hand-held, is additionally provided with the second sliding slot with slide plate slides cooperation on the stand, described the The end of two sliding slots, which is equipped with, to be blocked；

The closure is equipped with lead screw for driving the slide plate slides, the lead screw include respectively with two slide plate spiral shells The first threaded portion and the second threaded portion of line connection, the thread rotary orientation of first threaded portion and second threaded portion on the contrary, The end of the lead screw is equipped with the wind for driving the lead screw rotation；

First roll body is plugged in first installation axle；Second roll body is plugged in second installation axle；

The Its lower side is equipped with supporting leg, and the supporting leg, which is equipped with, adjusts cushion block, the adjusting cushion block and the supporting leg It is threadedly coupled, non-slip mat is equipped on the downside of the adjusting cushion block.

2. orthopaedics as described in claim 1 steel plate pre-bending device, it is characterised in that: the slide plate is T-type slide plate.

3. orthopaedics as described in claim 1 steel plate pre-bending device, it is characterised in that: the cover board is that be located in the stand On L-type cover board.