CN203852397U - Transmission mechanism for transforming rotational movement into reciprocating movement - Google Patents
Transmission mechanism for transforming rotational movement into reciprocating movement Download PDFInfo
- Publication number
- CN203852397U CN203852397U CN201420096804.1U CN201420096804U CN203852397U CN 203852397 U CN203852397 U CN 203852397U CN 201420096804 U CN201420096804 U CN 201420096804U CN 203852397 U CN203852397 U CN 203852397U
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- China
- Prior art keywords
- steel ball
- bobbin
- transmission wheel
- wave channel
- drive mechanism
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- Expired - Lifetime
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 35
- 230000033001 locomotion Effects 0.000 title abstract description 11
- 230000001131 transforming effect Effects 0.000 title abstract 2
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 50
- 239000010959 steel Substances 0.000 claims abstract description 50
- 238000007789 sealing Methods 0.000 claims description 4
- 210000000481 breast Anatomy 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000002459 sustained effect Effects 0.000 claims description 3
- 239000004519 grease Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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- Transmission Devices (AREA)
Abstract
The utility model relates to the field of medical apparatus and instruments, in particular to a transmission mechanism for transforming rotational movement into reciprocating movement. The transmission mechanism comprises a curve transmission wheel, wherein the curve transmission wheel is arranged in a fixed middle shelf, a thread spool, a steel ball and a fixed outer shelf; the steel ball is arranged in a steel ball hole of the thread spool; the steel ball and the lower end of the thread spool are contained in the fixed outer shelf; a bracket on one end of the thread spool is limited in an opening groove of the fixed middle shelf so as not to be rotated; a circle of ring wave channel is arranged on the curve transmission wheel; the steel ball can be rotated in the wave channel, and a power-output shaft arranged on one side of the curve transmission wheel located in the centremost part can drive the steel ball to rotate. The transmission mechanism has the beneficial effects that the high temperature, the vibration and the noise of transformation between rotational movement and reciprocating movement can be effectively reduced, the amount of lubricating grease can be further reduced, and the transmission mechanism is adapted to apply a reciprocating saw.
Description
Technical field
This utility model relates to medical instruments field, relates in particular to one and rotatablely moves and be converted into reciprocating drive mechanism.
Background technology
Reciprocating sow is a kind of equipment often using in surgical operation, can realize autoclave sterilization, traditional reciprocating sow is generally to be realized rotatablely moving by eccentric shaft and shift fork being converted into reciprocating mechanism and forming, this drive mechanism produces larger frictional force, easily produces high temperature, vibration and higher noise, and need a large amount of greases to be lubricated, once grease is along with hot setting, this mechanism produces high temperature until destroy owing to lacking lubricated meeting, can not use.
Utility model content
The object of utility model: in order to provide high the rotatablely moving of a kind of intelligent degree to be converted into reciprocating drive mechanism, specific purposes are shown in multiple essence technique effects of concrete implementation section.
In order to reach as above object, this utility model is taked following technical scheme:
One rotatablely moves and is converted into reciprocating drive mechanism, it is characterized in that, comprise curve transmission wheel, described curve transmission wheel is placed in fixing middle frame, bobbin, within steel ball and fixing outrigger, steel ball is placed in the steel ball hole of bobbin, within steel ball and bobbin lower end are comprised in fixing outrigger, and bobbin one end support is limited in the open slot of fixing middle frame, make it not produce and rotatablely move, on described curve transmission wheel, there is a ring shape wave channel, steel ball can rotate in this wave channel, the described curve transmission that is positioned at bosom is taken turns the dynamic output shaft of a side can drive its rotation.
The further technical scheme of this utility model is, the difference of the highs and lows of described wave channel is the reciprocating stroke of final bobbin, and this annular wave channel is the just profound function curve of sealing, inner wall smooth.
The further technical scheme of this utility model is, described steel ball have two and in this wave channel position symmetrical and its running orbit is synchronously consistent, two steel balls are positioned at sinusoidal sustained height.
The further technical scheme of this utility model is, described fixing middle frame one side is cylindrical with open slot, described open slot has two and this column part is divided into two segmental arcs, described bobbin lower end comprises two symmetrical plates, described steel ball hole is positioned on this plate, and this plate is close to the end face of two segmental arcs and is limited.
The further technical scheme of this utility model is, a side of the non-open slot of described fixing middle frame is for installing screw thread.
The further technical scheme of this utility model is, there is installation screw thread described fixing outrigger outside.
Adopt as above this utility model of technical scheme, have following beneficial effect with respect to prior art:
This utility model transforms the high temperature in moving back and forth for rotatablely moving, and vibration and noise can reduce effectively, and can further reduce the consumption of grease, are more adapted to medical reciprocating saw.
Brief description of the drawings
In order to further illustrate this utility model, further describe below in conjunction with accompanying drawing:
Fig. 1 is the three-dimensional cross-sectional schematic of this utility model drive mechanism;
Fig. 2 is the solid assembling schematic diagram of this utility model drive mechanism;
Fig. 3-1st, the structural representation of the curve transmission wheel of this utility model drive mechanism;
Fig. 3-2nd, the right TV structure schematic diagram of the curve transmission wheel of this utility model drive mechanism;
Fig. 3-3rd, the curve of the curve transmission wheel of this utility model drive mechanism launches schematic diagram;
Fig. 4-1st, the bobbin front elevational schematic of this utility model drive mechanism;
Fig. 4-2nd, the bobbin schematic side view of this utility model drive mechanism;
Fig. 5 is the fixing outrigger schematic diagram of this utility model drive mechanism;
Fig. 6 is the fixing middle frame cross-sectional view of this utility model drive mechanism;
Fig. 7 is the fixing middle frame perspective view of this utility model drive mechanism;
Wherein: 1 curve transmission wheel, 2 bobbins, 3 fixing outriggers, 4 fixing middle frames, 5 steel balls.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, embodiment does not form restriction of the present utility model:
One rotatablely moves and is converted into reciprocating drive mechanism, it is characterized in that, comprise curve transmission wheel 1, described curve transmission wheel 1 is placed in fixing middle frame 4, bobbin 2, within steel ball 5 and fixing outrigger 3, steel ball 5 is placed in the steel ball hole of bobbin 2, within steel ball 5 and bobbin 2 lower ends are comprised in fixing outrigger 3, and bobbin 2 one end supports are limited in the open slot of fixing middle frame 4, make it not produce and rotatablely move, on described curve transmission wheel 1, there is a ring shape wave channel, steel ball 5 can rotate in this wave channel, the described dynamic output shaft of curve transmission wheel 1 one side that is positioned at bosom can drive its rotation.The technique effect of the essence that the technical scheme at this place plays is in the time that curve transmission wheel 1 rotates, wave channel on its side face is also rotating, and then drive steel ball is in the variation of wave channel interior location, because steel ball can be along with the curve lifting of wave channel, and then drive bobbin 2 to move, realize the straight-line conversion that rotatablely moves.
The difference of the highs and lows of described wave channel is the reciprocating stroke of final bobbin, and this annular wave channel is the just profound function curve of sealing, inner wall smooth.The technique effect of the essence that the technical scheme at this place plays is can realize well-behavedly moving, and rotating speed is at the uniform velocity under state, and the reciprocating motion of bobbin 2 can be regular.
The degree of depth of described wave channel is consistent.Described steel ball 5 have two and in this wave channel position symmetrical and its running orbit is synchronously consistent, two steel balls 5 are positioned at sinusoidal sustained height.The technique effect of the essence that the technical scheme at this place plays is to realize both sides lifting simultaneously, makes the motion of bobbin 2 more stable.
In fact, steel ball can only have one, but has two certain movement effects better.
Meanwhile, steel ball also can have multiple, can play firm effect.
In conjunction with Fig. 6 and Fig. 7, described fixing middle frame one side is cylindrical with open slot, described open slot has two and this column part is divided into two segmental arcs, described bobbin 2 lower ends comprise two symmetrical plates, described steel ball hole is positioned on this plate, and this plate is close to the end face of two segmental arcs and is limited.
One side of the non-open slot of described fixing middle frame is for installing screw thread.There is installation screw thread described fixing outrigger 3 outsides.
Consult shown in Fig. 1, this utility model drive mechanism mainly comprises curve transmission wheel 1, bobbin 2, fixing outrigger 3, fixing middle frame 4 and steel ball 5, within wherein curve transmission wheel 1 is placed in fixing middle frame 4, bobbin 2, steel ball 5 and fixing outrigger 3, produce connection by steel ball 5 and bobbin 2, steel ball 5 is placed in the steel ball hole of bobbin 2, within being comprised in fixing outrigger 3, and bobbin 2 one end supports are limited in the open slot of fixing middle frame 4, make it not produce to rotatablely move.
Shown in Fig. 3-1,3-2,3-3, on this curve transmission wheel 1, there is a ring shape wave channel, the difference of the highs and lows of wave channel is the reciprocating stroke of final bobbin, this annular wave channel is the just profound function curve of sealing, inner wall smooth, shown in Fig. 1, steel ball 5 is placed in the annular wave channel of this fixing middle frame 4, in the time that curve transmission wheel 1 produces rotation, drive steel ball 5 to produce the displacement to axial of rolling and steel ball 5 corresponding fixing middle frames 4, complete this mechanism and be converted into reciprocating movement mechanism by rotatablely moving.
The benefit of this structure is that this driving medium steel ball 5 can produce and roll in curve transmission is taken turns the steel ball hole of 1 annular wave channel and bobbin 2, effectively reduced the friction in mechanism in the past, reduced the generation of high temperature, and this mechanism also can run well without more grease.
Generally speaking, this utility model comprises a curve transmission wheel, and described curve transmission wheel one end is provided with rotation input interface, and cylindrical is provided with annular wave channel; One fixing middle frame, described fixing middle frame energy fixed curve drive, makes it not produce axial motion; One bobbin, described bobbin comprises an end support and other end axis body, support one end is provided with circular port; One fixing outer ring, one end, described fixing outer ring is provided with bindiny mechanism and is connected with described fixing middle frame, and endoporus contacts with described steel ball; One steel ball, described steel ball is positioned in support for bobbin circular port and contacts with described curve moving runner annular wave channel, plays driving medium effect; Drive described curve transmission wheel to rotarily drive steel ball by driving and produce axial displacement, steel ball drives bobbin to form and moves back and forth.
Curve transmission wheel 1 can also be made hollow in addition, and its outside wave channel inwall has aperture, can also add lubricating oil at hollow space, just can realize at the volley lubricated.
More than show and described ultimate principle of the present utility model, principal character and advantage of the present utility model.Those skilled in the art should understand this utility model and not be restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope.
Claims (6)
1. one kind rotatablely moves and is converted into reciprocating drive mechanism, it is characterized in that, comprise curve transmission wheel (1), described curve transmission wheel (1) is placed in fixing middle frame (4), bobbin (2), within steel ball (5) and fixing outrigger (3), steel ball (5) is placed in the steel ball hole of bobbin (2), within steel ball (5) and bobbin (2) lower end are comprised in fixing outrigger (3), and bobbin (2) one end supports are limited in the open slot of fixing middle frame (4), make it not produce and rotatablely move, on described curve transmission wheel (1), there is a ring shape wave channel, steel ball (5) can rotate in this wave channel, the described dynamic output shaft of curve transmission wheel (1) one side that is positioned at bosom can drive its rotation.
2. one as claimed in claim 1 rotatablely moves and is converted into reciprocating drive mechanism, it is characterized in that, the difference of the highs and lows of described wave channel is the reciprocating stroke of final bobbin, and this annular wave channel is the just profound function curve of sealing, inner wall smooth.
3. one as claimed in claim 2 rotatablely moves and is converted into reciprocating drive mechanism, it is characterized in that, described steel ball (5) have two and in this wave channel position symmetrical and its running orbit is synchronously consistent, two steel balls (5) are positioned at sinusoidal sustained height.
4. one as claimed in claim 1 rotatablely moves and is converted into reciprocating drive mechanism, it is characterized in that, described fixing middle frame one side is cylindrical with open slot, described open slot has two and this column part is divided into two segmental arcs, described bobbin (2) lower end comprises two symmetrical plates, described steel ball hole is positioned on this plate, and this plate is close to the end face of two segmental arcs and is limited.
5. one as claimed in claim 4 rotatablely moves and is converted into reciprocating drive mechanism, it is characterized in that, a side of the non-open slot of described fixing middle frame is for installing screw thread.
6. one as claimed in claim 1 rotatablely moves and is converted into reciprocating drive mechanism, it is characterized in that, there is installation screw thread described fixing outrigger (3) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096804.1U CN203852397U (en) | 2014-03-04 | 2014-03-04 | Transmission mechanism for transforming rotational movement into reciprocating movement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096804.1U CN203852397U (en) | 2014-03-04 | 2014-03-04 | Transmission mechanism for transforming rotational movement into reciprocating movement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203852397U true CN203852397U (en) | 2014-10-01 |
Family
ID=51602278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420096804.1U Expired - Lifetime CN203852397U (en) | 2014-03-04 | 2014-03-04 | Transmission mechanism for transforming rotational movement into reciprocating movement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203852397U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105078539A (en) * | 2015-07-22 | 2015-11-25 | 苏州益诺斯医疗科技有限公司 | Medical reciprocating saw |
| CN111771664A (en) * | 2020-07-10 | 2020-10-16 | 刘誉 | Automatic planting vehicle for planting nursery stocks of traditional Chinese medicinal materials |
| CN112112611A (en) * | 2020-10-09 | 2020-12-22 | 重庆科技学院 | Liquid drainage device for cleaning accumulated liquid at 'low recess' of horizontal well |
-
2014
- 2014-03-04 CN CN201420096804.1U patent/CN203852397U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105078539A (en) * | 2015-07-22 | 2015-11-25 | 苏州益诺斯医疗科技有限公司 | Medical reciprocating saw |
| CN105078539B (en) * | 2015-07-22 | 2019-01-11 | 苏州益诺斯医疗科技有限公司 | Medical reciprocating saw |
| CN111771664A (en) * | 2020-07-10 | 2020-10-16 | 刘誉 | Automatic planting vehicle for planting nursery stocks of traditional Chinese medicinal materials |
| CN112112611A (en) * | 2020-10-09 | 2020-12-22 | 重庆科技学院 | Liquid drainage device for cleaning accumulated liquid at 'low recess' of horizontal well |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141001 |