CN204744540U - A single motor regulation draw gear for shank reduction of fracture - Google Patents
A single motor regulation draw gear for shank reduction of fracture Download PDFInfo
- Publication number
- CN204744540U CN204744540U CN201520182131.6U CN201520182131U CN204744540U CN 204744540 U CN204744540 U CN 204744540U CN 201520182131 U CN201520182131 U CN 201520182131U CN 204744540 U CN204744540 U CN 204744540U
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- China
- Prior art keywords
- auxiliary spindle
- main shaft
- support arm
- single motor
- landing strip
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Abstract
The utility model discloses a single motor regulation draw gear for shank reduction of fracture, including L type support arm, L type support arm top fixedly connected with top beam, top beam lower extreme are provided with the support carrying plate who is used for the traction fixation shank, the inside rotation motor that is provided with main pivot, vice pivot and is connected of top beam with main pivot axial fixity. The utility model discloses a single motor regulation draw gear for shank reduction of fracture drives main pivot through single motor, then main pivot comes the sideslip and the revolute pair pivot through sideslip lead screw and fixed stopper, just rotate the motor through changing, the reversal comes the single rotation of selection control owner pivot still rotatory together with vice pivot, thereby make single motor alright with control angle and height, make things convenient for draw gear's use greatly, reduce the electronic adjusting device's of draw gear volume, the cost is lowered.
Description
Technical field
This utility model relates to a kind of orthopedic medical device, especially a kind of single motor adjustment traction apparatus resetted for fractured leg.
Background technology
People need to reset after fractured leg, then cost Gypsum Fibrosum, are finally lifted by leg in traction device by leg, are used for blood circulation promoting and detumescence; Avoid fracture site phase mutual friction pain, lifting restoring effect.But common traction apparatus structure is simple, inside does not have electric adjusting device, cannot adjusting angle voluntarily when causing patient to feel uncomfortable, other people are all needed to assist, extremely bother, and traditional traction apparatus with adjusting device is bulky, uses very inconvenient, often need multiple motor independent control angle of ability and height, cause cost greatly to increase.
Utility model content
The technical problems to be solved in the utility model is: in order to solve the prior art Problems existing in above-mentioned background technology, a kind of single motor adjustment traction apparatus resetted for fractured leg of improvement is provided, solve normal traction apparatus structure simple, regulate height and angle trouble, need the problem that manual or many motors could regulate.
This utility model solves the technical scheme that its technical problem adopts: a kind of single motor resetted for fractured leg regulates traction apparatus, comprise L-type support arm, L-type support arm upper end is fixedly connected with top cross-bar, top cross-bar lower end is provided with the support supporting plate for drawing fixed leg, top cross-bar inside is provided with main shaft, auxiliary spindle and the rotary electric machine be connected with main shaft axial restraint, main shaft outer arcuate face is connected with support splint upper surface by main take off and landing strip, auxiliary spindle outer arcuate face is connected with support splint upper surface by secondary take off and landing strip, main take off and landing strip lower end is arranged on and supports the nearly right-hand member of splint upper surface, secondary take off and landing strip lower end is arranged on and supports the nearly left end of splint upper surface, fixing limited block is fixedly connected with on the left of main shaft, fixing limited block left surface is fixedly connected with the traversing screw mandrel corresponding with auxiliary spindle, the corresponding traversing screw mandrel position of auxiliary spindle right flank offers traversing screw, auxiliary spindle right flank offers the stopper slot corresponding with fixing limited block, main shaft stretches into traversing screw by traversing screw mandrel and is threaded with auxiliary spindle, traversing screw mandrel is by driving auxiliary spindle left in traversing screw inner rotation, right traversing, main shaft two ends are all fixedly connected with and prevent main take off and landing strip from the anti-decylization of the master of slippage main shaft, auxiliary spindle two ends are all fixedly connected with and prevent secondary take off and landing strip from the anti-decylization of the pair of slippage auxiliary spindle, the power line of described rotary electric machine is provided with rotating manual switch.
Above-mentioned a kind of single motor adjustment traction apparatus resetted for fractured leg, in order to reduce costs, main shaft is preferably identical with auxiliary spindle size, main anti-decylization is preferably identical with pair anti-decylization size, main take off and landing strip is preferably also identical with secondary take off and landing strip size, just can use identical parts like this when producing.
As preferably: described L-type support arm bottom is provided with the downward folder bed board in two ends, the end of folder bed board is provided with laterally and tightly propped screw; Folder bed board is provided with the inserted link of band jack, and described inserted link inserts bottom L-type support arm, and L-type support arm is provided with multiple height adjustment hole, and be provided with latch in a height adjustment hole (20) wherein, described latch inserts in the jack on inserted link simultaneously.
The beneficial effects of the utility model are: it is a kind of single motor adjustment traction apparatus resetted for fractured leg, by single driven by motor main shaft, then main shaft is by traversing screw mandrel and the traversing and revolute pair rotating shaft of fixing limited block, select control the single rotation of main shaft or rotate together with auxiliary spindle by changing positive and negative the transferring of rotary electric machine, thus make single motor just can control angle and height, greatly facilitate the use of traction apparatus, reduce the volume of traction apparatus electric adjusting device, reduce costs.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the internal structure schematic diagram of top cross-bar in this utility model.
Fig. 3 is the schematic diagram of the folder bed board that this utility model adopts.
In figure: 1.L type support arm, 2. top cross-bar, 3. supports supporting plate, 4. main shaft, 5. auxiliary spindle, 6. rotary electric machine, 7. main take off and landing strip, 8. secondary take off and landing strip, 9. fixing limited block, 10. traversing screw mandrel, 11. traversing screws, 12. stopper slots, 13. main anti-decylizations, 14. secondary anti-decylizations, power line 15, rotating manual switch 16, presss from both sides bed board 17, laterally and tightly propped screw 18, inserted link 19, height adjustment hole 20, latch 21.
Detailed description of the invention
By reference to the accompanying drawings this utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with this utility model.
A kind of single motor adjustment traction apparatus resetted for fractured leg shown in Fig. 1 and Fig. 2, comprise L-type support arm 1, L-type support arm 1 upper end is fixedly connected with top cross-bar 2, top cross-bar 2 lower end is provided with the support supporting plate 3 for drawing fixed leg, top cross-bar 2 inside is provided with main shaft 4, auxiliary spindle 5 and the rotary electric machine 6 be connected with main shaft 4 axial restraint, main shaft 4 outer arcuate face is connected with support supporting plate 3 upper surface by main take off and landing strip 7, auxiliary spindle 5 outer arcuate face is connected with support supporting plate 3 upper surface by secondary take off and landing strip 8, main take off and landing strip 7 lower end is arranged on and supports the nearly right-hand member of supporting plate 3 upper surface, secondary take off and landing strip 8 lower end is arranged on and supports the nearly left end of supporting plate 3 upper surface, fixing limited block 9 is fixedly connected with on the left of main shaft 4, fixing limited block 9 left surface is fixedly connected with the traversing screw mandrel 10 corresponding with auxiliary spindle 5, corresponding traversing screw mandrel 10 position of auxiliary spindle 5 right flank offers traversing screw 11, auxiliary spindle 5 right flank offers the stopper slot 12 corresponding with fixing limited block 9, main shaft 4 stretches into traversing screw 11 by traversing screw mandrel 10 and is threaded with auxiliary spindle 5, traversing screw mandrel 10 is by driving auxiliary spindle 5 left in traversing screw 11 inner rotation, right traversing, main shaft 4 two ends are all fixedly connected with and prevent main take off and landing strip 7 from the anti-decylization 13 of the master of slippage main shaft 4, auxiliary spindle 5 two ends are all fixedly connected with and prevent secondary take off and landing strip 8 from the anti-decylization 14 of the pair of slippage auxiliary spindle 5.The power line 15 of described rotary electric machine 6 is provided with rotating manual switch 16.Wherein rotating manual switch 16 is prior art, is commercially available.
Further, in order to reduce costs, main shaft 4 is identical with auxiliary spindle 5 size, further, in order to keep anticreep, main anti-decylization 13 is identical with pair anti-decylization 14 size, further, in order to improving stability, main take off and landing strip 7 is identical with secondary take off and landing strip 8 size, a kind of single motor for fractured leg reset of the present utility model regulates traction apparatus by single driven by motor main shaft 4, then main shaft 4 is by traversing screw mandrel 10 and the traversing and revolute pair rotating shaft 5 of fixing limited block 9, by just changing rotary electric machine 6, reversion is selected control the single rotation of main shaft 4 or rotate together with auxiliary spindle 5, thus make single motor just can control angle and height, greatly facilitate the use of traction apparatus, reduce the volume of traction apparatus electric adjusting device, reduce costs.
Operation principle: rotary electric machine 6 is controlled by rotating manual switch 16, rotating manual switch 16 is connected with rotary electric machine 6 by a longer external power supply connecting line, patient just can lie on a bed and conveniently control, when rotary electric machine 6 rotates forward, main shaft 4 starts to rotate forward, traversing screw mandrel 10 starts to stretch in traversing screw 11, because secondary take off and landing strip 8 pairs of auxiliary spindles 5 apply downward pulling force, do not select so auxiliary spindle 5 can keep static, auxiliary spindle 5 is traversing to main shaft 4, be only now that positive take off and landing strip 7 rises, so just can regulate monolateral angle; After fixing limited block 9 stretches into stopper slot 12, auxiliary spindle 5 starts to rotate, and drives secondary take off and landing strip 8 to rise, and now rotary electric machine 6 just controls main take off and landing strip 7 and secondary take off and landing strip 8 rises simultaneously, regulates the whole height of traction apparatus.When declining, rotary electric machine 6 reverses, and after fixing limited block 9 departs from stopper slot 12, auxiliary spindle 5 just can stop operating, and main shaft 4 is separated with auxiliary spindle 5, starts to regulate traction apparatus angle downwards.
In order to make whole device better fixing on one's sick bed, as shown in Figure 3, another embodiment of the present utility model have employed folder bed board 17, and concrete scheme is that described L-type support arm 1 bottom is provided with the downward folder bed board 17 in two ends, and the end of folder bed board 17 is provided with laterally and tightly propped screw 18; Folder bed board 17 is provided with the inserted link 19 of band jack, described inserted link 19 inserts bottom L-type support arm 1, L-type support arm 1 is provided with multiple height adjustment hole 20, is provided with latch 21 wherein in a height adjustment hole 20, described latch 21 inserts in the jack on inserted link 19 simultaneously.Folder bed board 17 can firmly be put on one's sick bed, fastening to holding out against screw 18 by both sides, on L-type support arm 1, rational height adjusting hole 20 makes height adjustment hole 20 can adjust height on folder bed board 17, can realize especially by the position changing latch 21.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content in description, must determine its technical scope according to right.
Claims (2)
1. the single motor adjustment traction apparatus resetted for fractured leg, comprise L-type support arm (1), it is characterized in that: described L-type support arm (1) upper end is fixedly connected with top cross-bar (2), described top cross-bar (2) lower end is provided with the support supporting plate (3) for drawing fixed leg, top cross-bar (2) inside is provided with main shaft (4), auxiliary spindle (5) and the rotary electric machine (6) be connected with main shaft (4) axial restraint, described main shaft (4) outer arcuate face is connected with support supporting plate (3) upper surface by main take off and landing strip (7), described auxiliary spindle (5) outer arcuate face is connected with support supporting plate (3) upper surface by secondary take off and landing strip (8), described main take off and landing strip (7) lower end is arranged on and supports the nearly right-hand member of supporting plate (3) upper surface, described secondary take off and landing strip (8) lower end is arranged on and supports the nearly left end of supporting plate (3) upper surface, described main shaft (4) left side is fixedly connected with fixing limited block (9), described fixing limited block (9) left surface is fixedly connected with the traversing screw mandrel (10) corresponding with auxiliary spindle (5), corresponding traversing screw mandrel (10) position of described auxiliary spindle (5) right flank offers traversing screw (11), auxiliary spindle (5) right flank offers the stopper slot (12) corresponding with fixing limited block (9), described main shaft (4) stretches into traversing screw (11) by traversing screw mandrel (10) and is threaded with auxiliary spindle (5), described traversing screw mandrel (10) is by driving auxiliary spindle (5) left in traversing screw (11) inner rotation, right traversing, described main shaft (4) two ends are all fixedly connected with the anti-decylization of master (13) preventing main take off and landing strip (7) from slippage main shaft (4), described auxiliary spindle (5) two ends are all fixedly connected with the anti-decylization of pair (14) preventing secondary take off and landing strip (8) from slippage auxiliary spindle (5), the power line (15) of described rotary electric machine (6) is provided with rotating manual switch (16).
2. a kind of single motor adjustment traction apparatus resetted for fractured leg according to claim 1, it is characterized in that described L-type support arm (1) bottom is provided with the downward folder bed board (17) in two ends, the end of folder bed board (17) is provided with laterally and tightly propped screw (18); Folder bed board (17) is provided with the inserted link (19) of band jack, described inserted link (19) inserts L-type support arm (1) bottom, L-type support arm (1) is provided with multiple height adjustment hole (20), be provided with latch (21) in a height adjustment hole (20) wherein, described latch (21) inserts in the jack on inserted link (19) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520182131.6U CN204744540U (en) | 2015-03-28 | 2015-03-28 | A single motor regulation draw gear for shank reduction of fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520182131.6U CN204744540U (en) | 2015-03-28 | 2015-03-28 | A single motor regulation draw gear for shank reduction of fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204744540U true CN204744540U (en) | 2015-11-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520182131.6U Expired - Fee Related CN204744540U (en) | 2015-03-28 | 2015-03-28 | A single motor regulation draw gear for shank reduction of fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204744540U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110723033A (en) * | 2019-10-24 | 2020-01-24 | 山东职业学院 | Subway traction power supply device |
| CN112891101A (en) * | 2021-01-25 | 2021-06-04 | 山东大学齐鲁医院(青岛) | Leg fracture fixing device and working method thereof |
-
2015
- 2015-03-28 CN CN201520182131.6U patent/CN204744540U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110723033A (en) * | 2019-10-24 | 2020-01-24 | 山东职业学院 | Subway traction power supply device |
| CN112891101A (en) * | 2021-01-25 | 2021-06-04 | 山东大学齐鲁医院(青岛) | Leg fracture fixing device and working method thereof |
| CN112891101B (en) * | 2021-01-25 | 2022-01-11 | 山东大学齐鲁医院(青岛) | Leg fracture fixing device and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20160328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |