CN208885889U - A kind of electric-controlled type gearbox with swing function - Google Patents
A kind of electric-controlled type gearbox with swing function Download PDFInfo
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- CN208885889U CN208885889U CN201821371260.XU CN201821371260U CN208885889U CN 208885889 U CN208885889 U CN 208885889U CN 201821371260 U CN201821371260 U CN 201821371260U CN 208885889 U CN208885889 U CN 208885889U
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Abstract
The utility model relates to a kind of electric-controlled type gearbox with swing function, including driving mechanism, bindiny mechanism and wabbler mechanism, bindiny mechanism are installed between driving mechanism and wabbler mechanism；Wabbler mechanism includes wobble gear and driving gear, and wobble gear is arranged in parallel with driving gear and wobble gear eccentric shaft is installed on rear axle of cranking arm；Connection structure includes function gear, and functional gear shaft is worn in function gear；It further include clutch apparatus, clutch apparatus has multi-disc clutch-plate, clutch apparatus driving function gear.By the way that wobble gear and driving gear are arranged in parallel, guarantee the stability of electric children vehicle in use, and wobble gear eccentric shaft is mounted on and is cranked arm on rear axle, to realize the swing function of electric children vehicle, by using clutch apparatus driving function gear realize electric children vehicle advance, retreat and wave between conversion, stability is high, and safety is good, effectively enhances the usage experience of user.
Description
Technical field
The utility model relates to perambulator technical field, specifically a kind of electric-controlled type gearbox with swing function.
Background technique
Perambulator be it is one main kind of among toy for children, including child's bicycle, children trolley, baby walker,
Child's tricycle and electric children toy vehicle etc., in recent years, it is active each at home that electric children toy vehicle is also referred to as electric children vehicle
In the Live Sites and residence district of big-and-middle small city, as the driving tool of emulation, electric children vehicle can temper child
Adult Driving Skills are imitated in the sense of direction of son and study, while hand, the eye, brain sensing capability for improving children
Interest is not lost again, at present the favor just by more and more young Chinese parents, electric children vehicle and children trolley, baby walking
The on-electrics perambulator such as vehicle is compared, and being unique in that of electric children vehicle relies primarily on built-in battery and driven, appearance,
The function of manipulation aspect comprehensive simulated automobile is suitable for 2 to 7 years old children and uses, and simple relative to function, playing method is single
Traditional static toy and mechanical toy, electric children vehicle occupy apparent advantage, not only can be used as its toy that multiplies of children, but also can be with
It helps children for learning, imitate adult car steering, enhance flexible adaptability to changes.
In order to further enhance the interest of electric children vehicle, the occupation rate of market of electric children vehicle, existing electronic child are improved
Vehicle generally has a swing function, and swing function is by swing motor below electric child car chair and crank arm type hind axle come real
It is existing, there is certain limitation to the weight of children, if the children for the heavier-weight that is seated on perambulator, when single motor driving is waved,
Stability is poor, and easy damaged motor, influences the service life of motor, and then influence the service life of electric children vehicle, is unfavorable for electricity
Dynamic perambulator is promoted and is applied in the market.
Summary of the invention
The utility model is provided a kind of with the automatically controlled of swing function to overcome above-mentioned defect in the prior art
Formula gearbox, the gearbox designs are simply ingenious, and stability is high, and facilitates production, can effectively improve the production of electric children vehicle
Efficiency is conducive to promote and apply in the market using the electric children vehicle of above-mentioned gearbox.
In order to achieve the above-mentioned object of the invention, the utility model uses a kind of following technical scheme: electricity with swing function
Control formula gearbox, including driving mechanism, bindiny mechanism and wabbler mechanism, the bindiny mechanism are installed on the driving mechanism and shake
Between swinging mechanism；The wabbler mechanism includes wobble gear and driving gear, and the wobble gear is arranged in parallel with driving gear
And the wobble gear eccentric shaft is installed on rear axle of cranking arm；The connection structure includes function gear, is worn in the function gear
Equipped with function gear shaft；It further include clutch apparatus, the clutch apparatus has multi-disc clutch-plate, and the clutch apparatus drives
Move the function gear.
As a kind of preferred embodiment of the utility model, clutch-plate described in multi-disc is installed on the function gear shaft.
As a kind of preferred embodiment of the utility model, clutch-plate described in multi-disc is installed on rear axle of cranking arm.
As a kind of preferred embodiment of the utility model, after the wobble gear is installed on described crank arm by axis fixing piece
Axis.
As a kind of preferred embodiment of the utility model, the wobble gear is connected in the axis fixing piece.
As a kind of preferred embodiment of the utility model, the driving mechanism includes driving motor and motor gear, described
Bindiny mechanism further includes reduction gearing, and the motor gear, reduction gearing are successively engaged with function gear, and the function gear can
It is mobile to be installed between the wobble gear and driving gear；It is electronic when function gear, which is moved to, to be meshed with driving gear
Perambulator realizes advance, fallback function, and when function gear, which is moved to, to be meshed with wobble gear, function is waved in electric children vehicle realization
Energy.
As a kind of preferred embodiment of the utility model, the wheel tooth crest of the function gear is rounded or oblique angle is arranged,
The wobble gear, driving gear are adapted with function gear.
As a kind of preferred embodiment of the utility model, the wheel tooth crest of the wobble gear is rounded or oblique angle is arranged,
The function gear, driving gear are adapted with wobble gear.
Mobile sliding block, the mobile sliding block are equipped with as a kind of preferred embodiment of the utility model, at the function gear
Equipped with baltimore groove, the function gear includes gear wheel and pinion gear, and two pinion gears are symmetrically set in the two sides of gear wheel, described
Gear wheel is embedded in the baltimore groove.
As a kind of preferred embodiment of the utility model, on the left of the function gear shaft and/or right side is equipped with spring.
Compared with prior art, the utility model has the beneficial effects that the utility model is a kind of with swing function
Electric-controlled type gearbox, by setting driving mechanism, bindiny mechanism and wabbler mechanism, the setting of bindiny mechanism, which can effectively ensure that, is shaken
The stability of swinging mechanism during the swing reduces the probability of driving mechanism damage, by wobble gear in wabbler mechanism with
Driving gear, which is arranged in parallel, is further ensured that the stability of electric children vehicle in use, and wobble gear eccentric shaft is installed
It is cranking arm on rear axle, to realize the swing function of electric children vehicle, is being realized by using clutch apparatus driving function gear electronic
Perambulator advance, retreat and wave between conversion, stability is high, and safety is good, effectively enhances the usage experience of user, is conducive to
It promotes and applies in the market using the electric children vehicle of above-mentioned gearbox.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the electric-controlled type gearbox in embodiment with swing function；
Fig. 2 is the structural schematic diagram of the electric-controlled type gearbox in embodiment with swing function；
Fig. 3 is in electric-controlled type gearbox in embodiment with swing function and in the corresponding arrangement of clutch of driving gear
The structural schematic diagram of castle wheel；
Fig. 4 is in electric-controlled type gearbox in embodiment with swing function in arrangement of clutch corresponding with wobble gear
The structural schematic diagram of vertical wheel；
Fig. 5, Fig. 6 are gear, wobble gear and driving in the electric-controlled type gearbox for have the function of in embodiment swing function
The structural schematic diagram of the wheel tooth crest of gear；
Fig. 7 is the structural schematic diagram of mobile sliding block in the electric-controlled type gearbox for have in embodiment swing function；
Fig. 8 is the structural schematic diagram of gear shaft in the electric-controlled type gearbox for have the function of in embodiment swing function.
Appended drawing reference: 1, driving motor；2, motor gear；3, reduction gearing；4, function gear；5, function gear shaft；6,
Wobble gear；7, axis fixing piece；8, it cranks arm rear axle；9, gear is driven；10, mobile sliding block；101, baltimore groove；11, spring；12,
Clutch-plate.
Specific embodiment
It elaborates with reference to the accompanying drawing to the utility model embodiment.
Embodiment: as shown in Figures 1 to 8, a kind of electric-controlled type gearbox with swing function is mainly used in electronic child
Che Shang, including driving mechanism, bindiny mechanism and wabbler mechanism, driving mechanism are mainly used to drive wabbler mechanism, so that electronic child
Vehicle realizes swing function, and bindiny mechanism is connected between driving mechanism and wabbler mechanism, guarantees wabbler mechanism during the swing
Stability, wabbler mechanism make electric children vehicle realize oscillating function, enhance the interest of electric children vehicle.
Existing perambulator generally has swing function, and swing function passes through the swing motor and song below electric child car chair
Arm-type hind axle is realized, if the children for the heavier-weight that is seated on perambulator, when single motor driving is waved, is easy to damage electricity
Machine, in some instances it may even be possible to can not wave, usually make perambulator manufacturing cost high by increasing swing motor, structure is complicated, and assembling is tired
Difficulty, production efficiency is low, in view of the above technical problems, by optimizing original driving gearbox designs in the present embodiment, passes through two
A driving motor acts on simultaneously, realizes the swing function of electric children vehicle, to save the swing motor in original electric children vehicle, ties
Structure reduces the cost of manufacture of electric children vehicle while simplification, and can effectively improve the production efficiency of enterprise's production perambulator.
Driving mechanism includes providing the driving motor 1 and motor gear 2 of driving force, 2 turns of 1 driving motor gear of driving motor
Dynamic, motor gear 2 is used as driving gear, uses motor driven in the present embodiment, is primarily due to that motor is easy to use, and operation can
It leans on, cheap, sound construction can effectively ensure that the service life of electric children vehicle, reduce the use cost of user.
Bindiny mechanism includes reduction gearing 3 and function gear 4, and reduction gearing 3 is between driving motor 1 and swing mechanism
Independent type closed driving device, for reducing the revolving speed of swing mechanism and increasing torque, to meet the need of work of swing mechanism,
Reduction gearing 3 may also function as the effect of speedup under specific circumstances, can be set as needed, and wear in function gear 4 functional
Gear shaft 5,5 both ends of function gear shaft all extend to outside function gear 4, and function gear 4 is avoided to skid off function during rotation
Gear shaft 5, causes oscillating arm mechanisms to fail.
Wabbler mechanism includes wobble gear 6 and drives gear 9, parallel between above-mentioned wobble gear 6 and driving gear 9 to set
It sets, guarantees the stability of swing mechanism in use, and be threaded through wobble gear 6 and sliding tooth convenient for the rear axle 8 that will crank arm
In wheel 9, the probability that rear axle 8 of cranking arm causes abrasion to wobble gear 6 and driving gear 9 is reduced, wobble gear 6 is effectively ensured and drives
The service life and using effect of moving gear 9, in order to realize the oscillating function of electric children vehicle, by above-mentioned 6 eccentric shaft of wobble gear
It is mounted on and cranks arm on rear axle 8, driving 9 eccentric shaft of gear can be also mounted on and be cranked arm on rear axle 8, be further ensured that stability.
As shown in Figure 1, also realizing function gear 4 and wobble gear 6, function by setting arrangement of clutch in the present embodiment
Gear 4 and driving gear 9 between conversion, arrangement of clutch include in multi-disc clutch-plate 12(Fig. 1 cross sectional portion be clutch-plate), from
It closes piece 12 to be mounted on function gear shaft 5, wherein 12 one end of a clutch-plate is in the form of a column, the length of columnar part is from function gear 4 one
Side extends to the other side of function gear 4, the stability in the installation of guarantee clutch-plate 12, use process, it is generally the case that clutch
It is discrete state between clutch-plate 12 in device and clutch-plate 12, at this point, function gear 4 is engaged with driving gear 9, driving electricity
Driving force is transmitted to driving gear 9 by machine 1, and perambulator is driven to advance, retreat；When control arrangement of clutch, make in arrangement of clutch from
When conjunction piece 12 is bonded with clutch-plate 12, function gear 4 is separated with driving gear 9 at this time, and clutch-plate 12 drives function gear 4 to the left
Movement is engaged with wobble gear 6, and driving force is transmitted to wobble gear 6 by driving motor 1, and wobble gear 6 is driven to rotate, and is realized virgin
The swing function of vehicle.
It cranks arm on rear axle 8 as shown in Fig. 2, can also be mounted on clutch-plate 12, and is mounted on wobble gear 6 and driving gear
Between 9, it is specifically two-way electomagnetic clutch, 12 main body two sides of clutch-plate have that clutch-plate 12 at this time, which is electromagnetic clutch,
Can the clutch-plate 12 of clutch then separated with the clutch-plate 12 in left side when the clutch-plate 12 on clutch-plate 12 and right side is closed, this
When, function gear 4 with driving gear 9 engage, driving motor 1 by driving force be transmitted to driving gear 9, drive perambulator advance, after
It moves back；It when clutch-plate 12 and the clutch-plate 12 in left side are closed, is then separated with the clutch-plate 12 on right side, at this time function gear 4 and drive
Moving gear 9 separates, and clutch-plate 12 drives function gear 4 to be moved to the left and engages with wobble gear 6, and driving motor 1 passes driving force
It is delivered to wobble gear 6, drives wobble gear 6 to rotate, realizes the swing function of perambulator.
As shown in Figure 3 and Figure 4, clutch-plate 12 is in gear teeth structure, specifically, clutch-plate 12 corresponding with driving gear 9
The gear teeth be bidirectional rotation exert oneself the gear teeth, with realize drive perambulator advance, retreat；Clutch-plate corresponding with wobble gear 6
12 gear teeth are the gear teeth of single direction rotation firmly, to realize the swing function of perambulator.
As shown in Figure 1, motor gear 2, reduction gearing 3 in the present embodiment and function gear 4 are in use successively
Engagement, what above-mentioned function gear 4 can move left and right is mounted between above-mentioned wobble gear 6 and driving gear 9, and driving gear 9 can
It is movably arranged on and cranks arm on rear axle 8, when function gear 4 is moved to right side with driving gear 9 to be meshed, i.e. 1 band of driving motor
The wheel of dynamic electric children vehicle, makes electric children vehicle realize the function of advancing, retreat；When function gear 4 is moved to left side and waves tooth
When wheel 6 is meshed, electric children vehicle realizes swing function.
Wherein, can by wobble gear 6 by axis fixing piece 7 be mounted on it is above-mentioned crank arm on rear axle 8, axis fixing piece 7 can be
The iron bar etc. that the simple flower pattern iron plate of structure either welds can will be above-mentioned in order to guarantee the integrally-built stability of gearbox
Rear axle 8 of cranking arm is integrally formed with axis fixing piece 7 to be made, and avoids axis fixing piece 7 from slipping in use, gearbox is caused to damage
Influence the ill effects such as the using effect of electric children vehicle.
It is clamped between axis fixing piece 7 and wobble gear 6, it can be solid in axis by the way that buckle or card slot are arranged on wobble gear 6
Determine that card slot is arranged on part 7 or the mode of buckle realizes that wobble gear 6 is installed on axis fixing piece 7, realizes that wobble gear 6 rotates
When, rotation is transmitted to and is cranked arm on rear axle 8, the rotation of rear axle 8 of cranking arm is made, guarantees axis fixing piece 7 and wobble gear 6 in rotation process
Medium-rate, direction etc. consistency, be further ensured that the stability of gearbox in use.
As shown in Figure 5, Figure 6, in order to enable function gear 4 smoothly to switch between driving gear 9 and wobble gear 6,
By the wheel tooth crest of above-mentioned function gear 4 is rounded or oblique angle setting, in above-mentioned wobble gear 6, driving gear 9 and function gear
Concave part compatible with the wheel tooth crest of function gear 4, the angle of bevel of the wheel tooth crest of above-mentioned function gear 4 are set on 4
It is 45 °~70 °, the angle of bevel of the wheel tooth crest of function gear 4 is 64 ° in the present embodiment, and assurance function gear 4 can drive
Smoothly switch between moving gear 9 and wobble gear 6, or by the wheel tooth crest of above-mentioned wobble gear 6 is rounded or oblique angle is arranged,
The setting concave part compatible with the wheel tooth crest of wobble gear 6 on above-mentioned function gear 4, driving gear 9, it is above-mentioned to wave tooth
The angle of bevel of 6 wheel tooth crest of wheel is 45 °~70 °, and the angle of bevel of the wheel tooth crest of wobble gear 6 is 64 ° in the present embodiment,
Assurance function gear 4 can smoothly switch between driving gear 9 and wobble gear 6 or the wheel tooth top of above-mentioned driving gear 9
Portion is rounded or oblique angle is arranged, and setting is compatible with the driving wheel tooth crest of gear 9 on above-mentioned function gear 4, wobble gear 6
Concave part, the angle of bevel of the wheel tooth crest of above-mentioned driving gear 9 are 45 °~70 °, and the gear teeth of gear 9 are driven in the present embodiment
The angle of bevel at top is 64 °, and assurance function gear 4 can smoothly switch between driving gear 9 and wobble gear 6, above-mentioned
Set-up mode can effectively avoid in function gear 4 and driving gear 9, function gear 4 and 6 rotation process of wobble gear the gear teeth with
Tooth contact causes the case where can not switching.
Function gear 4 includes gear wheel and pinion gear, and two pinion gears are symmetrically arranged at the two sides of gear wheel, can be by function
The wheel tooth crest of the pinion gear of 4 two sides of gear is processed into above-mentioned oblique angle or fillet, or driving gear 9 and wobble gear 6 are sent out
Wheel tooth crest is processed into the wheel tooth crest of the pinion gear at above-mentioned oblique angle or fillet or function gear 4 and drives gear 9, shakes
The wheel tooth crest of pendulum gear 6 is processed into the structure.
Switching of the function gear 4 between driving gear 9 and wobble gear 6 can be realized by mobile sliding block 10, be moved
Movable slider 10 is mounted at function gear 4, as shown in figure 4, mobile sliding block 10 is equipped with baltimore groove 101, by the canine tooth of function gear 4
Wheel is embedded in the baltimore groove 101 on mobile sliding block 10, realized by the sliding of mobile sliding block 10 electric children vehicle wheel advance with
The function switch of retrogressing and electric children vehicle body roll.
As shown in figure 8, can be also acted on by spring 11 in the present embodiment to switch the function of perambulator, it can be in function gear
The left or right side of axis 5 installs a spring 11 additional, a spring 11 can also be respectively installed additional in two sides, as shown in figure 5, cross sectional portion
For spring, it is generally the case that by the effect of spring 11, function gear 4 is pushed to (or pulling to) driving 9 side of gear, realizes virgin
Vehicle is moved forward and backward, when by external force, deformation occurs for spring 11, so that function gear 4 pulls to (or pushing to) wobble gear 6 one
Swing function is then realized in side.
Further, a drawstring can be increased, while one fixed control switch, drawstring one being installed in perambulator vehicle body
End is separately connected crank arm two gearbox sliding blocks of 8 two sides of rear axle or the switching device of other structures, and other end connection control is opened
It closes, gearbox function can be realized by control switch in this way.
One of the present embodiment has the electric-controlled type gearbox of swing function, by the way that driving mechanism, bindiny mechanism is arranged
And wabbler mechanism, the setting of bindiny mechanism can effectively ensure that the stability of wabbler mechanism during the swing, reduce driving machine
The probability of structure damage is arranged in parallel with driving gear 9 by the wobble gear 6 in wabbler mechanism and is further ensured that electric children vehicle exists
Stability in use process, and 6 eccentric shaft of wobble gear is mounted on and is cranked arm on rear axle 8, to realize waving for electric children vehicle
Function, by using clutch apparatus driving function gear 4 realize electric children vehicle advance, retreat and wave between conversion, surely
Qualitative height, safety is good, effectively enhance user usage experience, be conducive to using above-mentioned gearbox electric children vehicle on the market
Popularization and application.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model；Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Although appended drawing reference in figure: 1, driving motor is used more herein；2, motor gear；3, reduction gearing；4,
Function gear；5, function gear shaft；6, wobble gear；7, axis fixing piece；8, it cranks arm rear axle；9, gear is driven；10, mobile to slide
Block；101, baltimore groove；11, spring；12, the terms such as clutch-plate, but it does not exclude the possibility of using other terms.Use these
Term is used for the purpose of being more convenient to describe and explain the essence of the utility model；It is construed as any additional limit
System is all contrary to the spirit of the present invention.
Claims (10)
1. a kind of electric-controlled type gearbox with swing function, it is characterised in that: including driving mechanism, bindiny mechanism and wobbler
Structure, the bindiny mechanism are installed between the driving mechanism and wabbler mechanism；The wabbler mechanism include wobble gear (6) and
It drives gear (9), the wobble gear (6) is arranged in parallel with driving gear (9) and the wobble gear (6) eccentric shaft is installed on
It cranks arm rear axle (8)；The bindiny mechanism includes function gear (4), wears functional gear shaft (5) in the function gear (4)；
It further include clutch apparatus, the clutch apparatus has multi-disc clutch-plate (12), and the clutch apparatus drives the function
Gear (4).
2. a kind of electric-controlled type gearbox with swing function according to claim 1, it is characterised in that: described in multi-disc from
It closes piece (12) and is installed on the function gear shaft (5).
3. a kind of electric-controlled type gearbox with swing function according to claim 1, it is characterised in that: described in multi-disc from
It closes piece (12) and is installed on rear axle of cranking arm (8).
4. a kind of electric-controlled type gearbox with swing function according to claim 1, it is characterised in that: described to wave tooth
Wheel (6) is installed on by axis fixing piece (7) and described cranks arm rear axle (8).
5. a kind of electric-controlled type gearbox with swing function according to claim 4, it is characterised in that: described to wave tooth
Wheel (6) is connected in the axis fixing piece (7).
6. a kind of electric-controlled type gearbox with swing function according to claim 1, it is characterised in that: the driving machine
Structure includes driving motor (1) and motor gear (2), and the bindiny mechanism further includes reduction gearing (3), the motor gear (2),
Reduction gearing (3) is successively engaged with function gear (4), function gear (4) removable installation in the wobble gear (6) with
It drives between gear (9)；When function gear (4) be moved to driving gear (9) be meshed when, electric children vehicle realize advance, after
Function is moved back, when function gear (4), which is moved to, to be meshed with wobble gear (6), electric children vehicle realizes swing function.
7. a kind of electric-controlled type gearbox with swing function according to claim 6, it is characterised in that: the function tooth
The wheel tooth crest of wheel (4) is rounded or oblique angle setting, the wobble gear (6) drive gear (9) and function gear (4) Xiang Shi
Match.
8. a kind of electric-controlled type gearbox with swing function according to claim 6, it is characterised in that: described to wave tooth
The wheel tooth crest of wheel (6) is rounded or oblique angle setting, the function gear (4) drive gear (9) and wobble gear (6) Xiang Shi
Match.
9. a kind of electric-controlled type gearbox with swing function according to claim 1, it is characterised in that: the function tooth
It takes turns and is equipped with mobile sliding block (10) at (4), the mobile sliding block (10) is equipped with baltimore groove (101), and the function gear (4) includes big
Gear and pinion gear, two pinion gears are symmetrically set in the two sides of gear wheel, and the gear wheel is embedded at the baltimore groove (101)
It is interior.
10. a kind of electric-controlled type gearbox with swing function according to claim 1, it is characterised in that: the function
On the left of gear shaft (5) and/or right side is equipped with spring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821371260.XU CN208885889U (en) | 2018-08-24 | 2018-08-24 | A kind of electric-controlled type gearbox with swing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821371260.XU CN208885889U (en) | 2018-08-24 | 2018-08-24 | A kind of electric-controlled type gearbox with swing function |
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| Publication Number | Publication Date |
|---|---|
| CN208885889U true CN208885889U (en) | 2019-05-21 |
Family
ID=66509766
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|---|---|---|---|
| CN201821371260.XU Expired - Fee Related CN208885889U (en) | 2018-08-24 | 2018-08-24 | A kind of electric-controlled type gearbox with swing function |
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| CN (1) | CN208885889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058399A (en) * | 2018-08-24 | 2018-12-21 | 平湖市科苑技术服务有限公司 | Electric-controlled type gearbox with swing function |
-
2018
- 2018-08-24 CN CN201821371260.XU patent/CN208885889U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058399A (en) * | 2018-08-24 | 2018-12-21 | 平湖市科苑技术服务有限公司 | Electric-controlled type gearbox with swing function |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 Termination date: 20200824 |