CN2809256Y - Back-pull type clockwork spring power gearbox device - Google Patents
Back-pull type clockwork spring power gearbox device Download PDFInfo
- Publication number
- CN2809256Y CN2809256Y CN 200420104989 CN200420104989U CN2809256Y CN 2809256 Y CN2809256 Y CN 2809256Y CN 200420104989 CN200420104989 CN 200420104989 CN 200420104989 U CN200420104989 U CN 200420104989U CN 2809256 Y CN2809256 Y CN 2809256Y
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- gear
- spring
- spiral spring
- rotation
- gearwheel
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Abstract
The utility model provides a back-pull type clockwork spring power gearbox device, which comprises an outer shell which is used as a bidirectional rotating driving shaft of a spiral spring for upper chain input and release output. The shell also comprises a spiral spring, a spiral spring gearwheel which can coaxially rotate with the spiral spring together and a drive gearwheel which can dual-directionally and rotationally connected with the driving shaft. The spiral spring and the releasing rotation of the spiral spring gearwheel can be in unidirectional releasing rotation engagement with a drive gearwheel via a set of releasing transitional gearwheels, and the drive shaft can be driven to rotate for output. The upper chain rotation of the driving shaft can be in unidirectional upper chain rotation engagement with a spiral spring gearwheel via the drive gearwheel via a positioning upper chain gearwheel, and the spiral spring can be tightened. The utility model is characterized in that the spiral spring gearwheel can be a single layer gearwheel, the positioning upper chain gearwheel is provided with two side wheel shafts which can swing along upper chain positioning elongated slots at both sides. Therefore, the upper chain positioning gearwheels are supported by wheel shafts at both sides, the incline of the wheel shaft in the elongated slot can be reduced and the upper chain positioning gearwheel can also bear larger opposite force of the spiral spring gearwheel.
Description
Technical field
The utility model relates to a kind of spiral spring power gear wheel case apparatus, particularly a kind of back-pull type spiral spring power gear box device that is applicable to toy.
Background technique
As known, many toys adopt a kind of back-pull type spiral spring power gear-box as drive unit, its roughly operating principle be by behind the member and acting surface friction that are engaged in wheel in the rotating shaft and so on, moment of rotation is passed to the clockwork spring that links to each other in the gear-box by the engagement of gear series, make the clockwork spring cochain tighten up to store power, then when the clockwork spring that tightens up unclamps, the power of its storage is returned to rotating shaft by the engagement of gear series again, drive is combined with the rotatable parts rotation of the toy of this kind drive unit or mechanism, the mechanism of toy and so on is activated reaches the purpose of travelling or rotating.
For ease of explanation, the operation of drive unit is divided into the cochain storage power stage and Chu Li discharges the stage.Clearly, in the drive unit all rotary members the sense of rotation of cochain storage power in the stage all with direction of rotation in the Chu Li release stage.Below with reference to Fig. 9 and Figure 10 (the similarly disclosed back-pull type spiral spring power of US5103936 gear-box), the drive mechanism and the operating principle of existing back-pull type spring gear case drive unit is described.
Shown in Figure 9, existing drive unit comprises the horizontal drive shaft 10 ' that generally is connected with the wheel (not shown), a compound spring gear 8 ' that rotates with its clockwork spring (not shown) that connects down, make the rotation input of horizontal drive shaft 10 tighten up the cochain gear train of clockwork spring, and one group of transition gear that the rotation that is produced is sent to horizontal drive shaft 10 conducts that unclamps that makes clockwork spring.Because horizontal drive shaft 10 ', and the center of rotation of clockwork spring and compound spring gear 8 ' is vertical, so comprise that also one is rotated the rotation of horizontal drive shaft 10 ' and compound spring gear 8 ' by horizontally rotating the combination flooding moving gear 6 ' that is transformed to vertical rotation, promptly combination flooding moving gear 6 ' is for a kind ofly having canine tooth, be positioned at the less upside tooth on the canine tooth and be positioned at the whole composite teeth that downside under the canine tooth is preced with tooth.
Particularly, when rotating the cochain of flat live axle 10 ' at the back wheel wiper, the rotation of combination flooding moving gear 6 ' makes a cochain pendulum position gear 4 ' push to and compound spring gear 8 ' engagement along (extending around the center of combination flooding moving gear 6 ') cochain pendulum position elongated slot or curve bath (not shown) via its canine tooth, and can make clockwork spring tighten up storage power.Another face, when clockwork spring discharges Chu Lishi, compound spring gear 8 ' by by with transition pendulum position gear 2 ' along (extending) transition pendulum position elongated slot or the curve bath (not shown) is pushed to and the 6 ' engagement of combination flooding moving gear around the center of compound spring gear 8 ', thereby again by driving flat live axle 10 ', with advancing as wheel.
As shown in figure 10, combination flooding moving gear 6 ' have with the downside hat tooth 6a ' of axle shaft gear (not shown) engagement, with the canine tooth 6b ' of cochain pendulum position gear 4 ' engagement and with the upside tooth 6c ' of transition pendulum position gear 2 ' (see figure 9) engagement.Compound spring gear 8 ' has with the lower tooth 8a ' of cochain pendulum position gear 4 ' engagement with transition puts the canine tooth 8b ' of position gear 2 ' engagement.
Be in cochain storage power during the stage at device, horizontal drive shaft 10 ' is rotated by the engagement of following gear series torsional moment is stored in the clockwork spring:
Lower tooth the 8a ' → clockwork spring (tightening up Chu Li) of the canine tooth 6b ' of downside hat tooth the 6a ' → combination flooding moving gear 6 ' of live axle 10 ' (back is wiped and rotated) → axle shaft gear (not shown) → combination flooding moving gear 6 ' → cochain pendulum position gear 4 ' (being subjected to promoting to enter the engaging position) → compound spring gear 8 '.During the stage, transition pendulum position gear 2 ' is pushed to non-transmission position, forms unidirectional cochain engagement in this cochain storage power.
Be in Chu Li release during the stage at device, clockwork spring 11 ' elastic relaxation, storage power wherein discharges to live axle 10 ' by the engagement of following gear series, causes live axle 10 ' to rotate:
Upside tooth 6c ' → combination flooding moving gear 6 ' the downside hat tooth → axle shaft gear (not shown) → live axle 10 ' of the canine tooth 8b ' of clockwork spring 11 ' (discharging storage power) → compound spring gear 8 ' → transition pendulum position gear 2 ' (being subjected to promoting to enter the engaging position) → combination flooding moving gear 6 '.Discharge the stage in this storage power, cochain pendulum position gear 4 ' is pulled to non-transmission position, forms unidirectional release engagement.
Shown in Fig. 9-10, because the canine tooth 8b ' of compound spring gear 8 ' is bigger than the lower tooth 8a ' of compound spring gear 8 ', generally make lower tooth 8a ' engagement cochain pendulum position gear 4 ' with compound spring gear 8 ', one side of cochain pendulum position gear 4 ' must rely on the canine tooth 8b ' side of compound spring gear 8 ', cause because the problem in position and space, this side of cochain pendulum position gear 4 ' can not have wheel shaft, makes cochain pendulum position gear 4 ' can only be designed to one-sided axle construction.When cochain is put position gear 4 ' at cochain, the moment of torsion of combination flooding moving gear 6 ' canine tooth 6b ' to be sent to compound spring gear 8 ' and the metal clockwork spring is shunk, the one-sided wheel axle structure of cochain pendulum position gear 4 ' bears moment of torsion, make one-sided wheel shaft unbalance stress and run-off the straight, engagement driving instability, even when being subjected to, cause structural failure than great dynamics.
Therefore, in the prior art, particularly all gears are that plastics are when making, be generally and avoid damaging this cochain pendulum position gear 4 ', and the intensity of metal clockwork spring is reduced, just because of this, the also corresponding minimizing of output torque power of known back-pull type spring gear case drive unit, influence its load capacity, lower the scope that is applied to toy.
The model utility content
For solving the problem that prior art exists, the utility model proposes a kind of modern design, structural stability, be suitable for applying the spiral spring power gear box device of bigger driving elastic force.
The utility model proposes a kind of back-pull type spiral spring power gear box device, comprise a shell, a live axle of all importing and discharge the two-way rotation of output that stretches out from shell as the cochain of clockwork spring; Also have in the shell: clockwork spring that is used for Chu Li, spring gear with the coaxial rotation of clockwork spring, one are made the two-way actuation gear that is rotationally connected with live axle, and wherein the release of clockwork spring and spring gear is rotated via one group and discharged the transition tooth with the unidirectional release engagement in rotation of driving gear crop rotation and drive this live axle and do output and rotate; And the cochain of live axle rotates then and goes up chain gear to make unidirectional cochain engagement in rotation with spring gear, so that clockwork spring is tightened up via actuation gear by a pendulum position; It is characterized in that spring gear is the individual layer gear, and a pendulum position cochain gear has the bilateral wheel shaft, swing with a cochain pendulum position elongated slot along its both sides.
Described cochain pendulum position elongated slot is that extend at the center with the axle center of actuation gear.
The center of rotation of live axle becomes 90 degree with the center of rotation of actuation gear.Live axle has axle shaft gear, has the downside hat tooth with the axle shaft gear engagement in rotation on the side of actuation gear.
Described one group discharge that the transition tooth comprises a compound transition gear that rotates with the transition gear of individual layer spring gear engagement in rotation, by transition gear and by the swing of compound transition gear to put a gear with the transition of actuation gear engagement in rotation.
Described clockwork spring is the rigid metal clockwork spring.Described spring gear is connected with a metal shaft coaxially, as second pto.Live axle is to stretch out from the shell both sides.
Description of drawings
Fig. 1 is the D structure figure that the utility model takes out part shell 1.
Figure 1A is the chain-driven schematic representation of going up of the present utility model.
Fig. 2 is decomposing state D structure figure of the present utility model.
Fig. 3 is the D structure figure that takes out part 2 among Fig. 1.
Fig. 4 is the D structure figure that takes out part 3,5 among Fig. 3.
Fig. 5 is the D structure figure that takes out part 4,6 among Fig. 4.
Fig. 6 is the D structure figure that takes out part 8 among Fig. 5.
Fig. 7 is the D structure figure that takes out part 11 among Fig. 6.
Fig. 8 is the D structure figure of the shell 1 that takes out of Fig. 1 of the present utility model.
Fig. 9 is the D structure schematic representation of known back-pull type spring gear case apparatus.
Figure 10 is the last chain-driven schematic representation of known back-pull type spring gear case apparatus.
Embodiment
Fig. 1-8 illustrates the structure of gear box device of the present utility model, and particularly with reference to figure 2, shell is made up of drain pan 12, mesochite 7 and upper casing 1.In shell, be provided with the bottom:
In drain pan 12, be provided with horizontal drive shaft 10 (see figure 7)s of stretching out, generally be connected with a pair of wheel (not shown) from both sides, the end, it passes the connection that fixes of an axle shaft gear 9, this axle shaft gear 9 rotates combination flooding moving gear 6 by the downside hat tooth 6A (Fig. 2) of vertical combination flooding moving gear 6.
Also be provided with clockwork spring 11 in shell, clockwork spring 11 is connected with a spring gear 8 coaxially as is known, do and clockwork spring is shunk or will be sent to output shaft with the storage power of bar, but shown in Figure 1A, spring gear 8 of the present utility model is the individual layer gear.
Particularly as clearly shown in Figure 1, one side of spring gear 8 has cochain pendulum position gear 4, thereby the rotation of the canine tooth of combination flooding moving gear 6 (is seen Fig. 2 by the center that makes a cochain pendulum position gear 4 along a cochain pendulum position elongated slot or curve bath, the two ends of cochain pendulum position elongated slot are mark 1C respectively, 1D and 7A, the represented position of 7B at upper casing 1 and mesochite 7, and the axle center with combination flooding moving gear 6 is the center) push to and spring gear 8 engagements, and can make clockwork spring 11 tighten up storage power, i.e. this moment, the wheel shaft of cochain pendulum position gear 4 ' is moved to 1C and 7A from the position of 1D and 7B.
Another face, the opposite side of spring gear 8 has transition gear 5, compound transition gear 3 and pendulum position transition gear 2, thereby when clockwork spring discharges Chu Lishi, the spring gear 8 of individual layer will rotate and pass to transition gear 5 successively, compound transition gear 3 and pendulum position transition gear 2, because the center/wheel shaft of transition pendulum position gear 2 (is seen Fig. 2 along a transition pendulum position elongated slot or curve bath, 9, the two ends of transition pendulum position elongated slot are mark 1A respectively, 1B is represented, and the axle center with compound transition gear 3 is the center) push the upside tooth engagement on the canine tooth with combination flooding moving gear 6 to, thereby downside hat tooth 6A via combination flooding moving gear 6, drive flat live axle 10 ' again and rotate, with advancing as wheel.
Be in cochain storage power during the stage at device, horizontal drive shaft 10 is rotated by the engagement of following gear series torsional moment is stored in the clockwork spring:
The canine tooth of live axle 10 (back is wiped and rotated) → axle shaft gear 9 → combination flooding moving gear 6 downsides hat tooth 6a → combination flooding moving gear 6 → cochain pendulum position gear 4 (being subjected to promoting to enter the transmission position) → individual layer spring gear 8 → clockwork spring 11 (tightening up Chu Li).During this cochain storage power stage, transition pendulum position gear 2 can be swung to not the non-transmission position with the upside tooth engagement of actuation gear 6, i.e. the wheel shaft of transition pendulum position gear 2 moves to the position of mark 1A (seeing Fig. 2 or Fig. 8) from mark 1B.
Be in Chu Li release during the stage at device, clockwork spring 11 elastic relaxations, storage power wherein discharges to live axle 10 by the engagement of following gear series, causes live axle 10 to rotate:
Downside hat tooth 6A → axle shaft gear 9 → live axle 10 (rotations) of the upside tooth → combination flooding moving gear 6 of clockwork spring 11 (discharging storage power) → spring gear 8 → transition gear 5 → compound transition gear 3 → pendulum position transition gear 2 (being subjected to promoting to enter the transmission position) → combination flooding moving gear 6.Discharge stage in this storage power, cochain pendulum position gear 4 is pulled to not the non-transmission position with spring gear 8 engagements, and promptly the wheel shaft of cochain pendulum position gear 4 moves to the position of mark 1D, 7B (seeing Fig. 2 or Fig. 8) from mark 1C, 7A.
The back-pull type spring gear case apparatus of the present utility model of Figure 1A, compare with the respective members in the existing back-pull type spring gear of Figure 10 case apparatus, spring gear 8 of the present utility model as can be known is the individual layer gear structure, like this, cochain pendulum position gear 4 is not relying on the side of spring gear 8, have constitutionally stable bilateral wheel shaft design thereby cochain pendulum position gear 4 can be adopted: the bilateral wheel shaft of cochain pendulum position gear 4 can be supported on respectively in two corresponding cochain curve baths on two side bodies, these two cochain curve baths are the center with the axle center of combination flooding moving gear 6, make cochain pendulum position gear 4 be controlled by combination flooding moving gear 6, make it and 8 engagement or the non-engagements of individual layer spring gear, between transmission position and non-transmission position, swing.
Pendulum of the present utility model position gear 4 has both sides wheel shaft design, thereby in last chain process, cochain pendulum position gear 4 reduces the inclination of its wheel shaft in elongated slot owing to supported by the wheel shaft of both sides, also can bear the opposite force of bigger spring gear 8.Therefore, but the thicker powerful clockwork spring of the utility model device thickness and can not damage the utility model, invests toy on the utility model and bears a heavy burden and also can correspondingly improve, and the application area of toy is wider, have more interest.
Owing to there is not the canine tooth 8b ' of spring gear 8 ' shown in Figure 10, discharge the stage for Chu Li, the diameter of spring gear 8 is less, so discharge the gear ratio in stage for compensation causes Chu Li, spring gear 8 now makes pendulum position transition gear 2 and combination flooding moving gear 6 do unidirectional release engagement via transition gear 5 and compound transition gear 3 successively.
In addition, also spring gear axle 13 can be fixed with a vertical metal axle 13, export as second power except that horizontal live axle 10.When other annex (for example helicopter fan blade) when being installed on metal shaft 13, annex is also driven simultaneously, realizes multidirectional rotation, so the interest of toy also improves simultaneously.
Claims (8)
1. a back-pull type spiral spring power gear box device comprises a shell, a live axle (10) of all importing and discharge the two-way rotation of output as the cochain of clockwork spring that stretches out from shell; Also have in the shell: storage power clockwork spring (11), a spring gear (8) with coaxial rotations of clockwork spring, one make the two-way actuation gear that is rotationally connected (6) with live axle (10), wherein the release of clockwork spring (11) and spring gear (8) is rotated and is discharged the transition tooth via one group and export rotation to make unidirectional release engagement in rotation with actuation gear (6) and to drive this live axle (10) work; And the cochain of live axle (10) rotates then and goes up chain gear (4) to make unidirectional cochain engagement in rotation with spring gear (8), so that clockwork spring is tightened up via actuation gear (6) by a pendulum position;
It is characterized in that spring gear (8) is the individual layer gear, and pendulum position goes up chain gear (4) and have the both sides wheel shaft, swing with a cochain pendulum position elongated slot along its both sides.
2. back-pull type spiral spring power gear box device as claimed in claim 1 is characterized in that, described cochain pendulum position elongated slot is that extend at the center with the axle center of actuation gear (6).
3. back-pull type spiral spring power gear box device as claimed in claim 1 is characterized in that, the center of rotation of live axle (10) becomes 90 degree with the center of rotation of actuation gear (6).
4. back-pull type spiral spring power gear box device as claimed in claim 3 is characterized in that live axle (10) has axle shaft gear (9), has the downside hat tooth (6A) with axle shaft gear (9) engagement in rotation on the side of actuation gear (6).
5. back-pull type spiral spring power gear box device as claimed in claim 1, it is characterized in that, described one group discharge that the transition tooth comprises a compound transition gear (3) that rotates with the transition gear (5) of individual layer spring gear (8) engagement in rotation, by transition gear (5) and by compound transition gear (3) swing to put a gear (2) with the transition of actuation gear (6) engagement in rotation.
6. back-pull type spiral spring power gear box device as claimed in claim 1 is characterized in that described clockwork spring is the rigid metal clockwork spring.
7. back-pull type spiral spring power gear box device as claimed in claim 1 is characterized in that described spring gear (8) is connected with a metal shaft (13) coaxially, as second pto.
8. back-pull type spiral spring power gear box device as claimed in claim 1 is characterized in that live axle (10) is to stretch out from the shell both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420104989 CN2809256Y (en) | 2004-11-01 | 2004-11-01 | Back-pull type clockwork spring power gearbox device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420104989 CN2809256Y (en) | 2004-11-01 | 2004-11-01 | Back-pull type clockwork spring power gearbox device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2809256Y true CN2809256Y (en) | 2006-08-23 |
Family
ID=36925441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420104989 Expired - Fee Related CN2809256Y (en) | 2004-11-01 | 2004-11-01 | Back-pull type clockwork spring power gearbox device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2809256Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570413A (en) * | 2016-01-29 | 2016-05-11 | 汕头市力源精密科技有限公司 | Driving method for silence gearbox and silence gearbox |
-
2004
- 2004-11-01 CN CN 200420104989 patent/CN2809256Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570413A (en) * | 2016-01-29 | 2016-05-11 | 汕头市力源精密科技有限公司 | Driving method for silence gearbox and silence gearbox |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060823 Termination date: 20121101 |