CN110345220A - Incomplete tooth transmission gear and drive mechanism - Google Patents
Incomplete tooth transmission gear and drive mechanism Download PDFInfo
- Publication number
- CN110345220A CN110345220A CN201810313477.3A CN201810313477A CN110345220A CN 110345220 A CN110345220 A CN 110345220A CN 201810313477 A CN201810313477 A CN 201810313477A CN 110345220 A CN110345220 A CN 110345220A
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- gear
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- driven
- tooth
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 101
- 230000007246 mechanism Effects 0.000 title claims abstract description 58
- 230000033001 locomotion Effects 0.000 claims description 27
- 238000013461 design Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 description 89
- 206010055001 Hypodontia Diseases 0.000 description 10
- 206010002583 anodontia Diseases 0.000 description 10
- 230000005213 hypodontia Effects 0.000 description 10
- 201000006680 tooth agenesis Diseases 0.000 description 10
- 230000001141 propulsive effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000033228 biological regulation Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H27/00—Step-by-step mechanisms without freewheel members, e.g. Geneva drives
- F16H27/04—Step-by-step mechanisms without freewheel members, e.g. Geneva drives for converting continuous rotation into a step-by-step rotary movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H27/00—Step-by-step mechanisms without freewheel members, e.g. Geneva drives
- F16H27/04—Step-by-step mechanisms without freewheel members, e.g. Geneva drives for converting continuous rotation into a step-by-step rotary movement
- F16H27/08—Step-by-step mechanisms without freewheel members, e.g. Geneva drives for converting continuous rotation into a step-by-step rotary movement with driving toothed gears with interrupted toothing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of incomplete tooth transmission gear and drive mechanisms, belong to switchgear technical field.The present invention provides a kind of incomplete tooth transmission gear, which is characterized in that the endless Total continuity of the gear teeth of the incomplete tooth transmission gear periphery, thus make the periphery of transmission gear include it is jagged, the side of the gap portions is provided with gear position limiting piece.The present invention also provides a kind of incomplete tooth drive mechanism, including incomplete tooth transmission gear, driven rack-plate or driven gear with the incomplete tooth transmission gear engaged transmission.Incomplete tooth drive mechanism provided by the invention, realization can be in forward direction transmission and reverse drive with notch intermittently-driving, and axial dipole field does not occur when reverse drive.
Description
Technical field
The invention belongs to switchgear technical fields, and in particular to the novel incomplete tooth transmission gear of one kind and drive mechanism.
Background technique
Incomplete tooth gear is a kind of intermittent motion mechanism, and basic structure form is divided into external toothing and two kinds of internal messing.
Using incomplete tooth gear as in the transmission mechanism of driving wheel, the tooth on driving wheel be it is incomplete, there is usually one or
Several teeth, rest part are Locking arc.It is made on the driven wheel and driving wheel phase according to the requirement of run duration and idle hours
The normal gear teeth and Locking arc of engagement.When the toothed portion of driving wheel and driven wheel gear teeth meshing, driven wheel rotation is pushed；When
When driving wheel continuous rotation, when the toothed portion and driven wheel of driving wheel are disengaged from, driven wheel rests motionless.It is driven when resting
The Locking arc on Locking arc and driving wheel on wheel is closely sealed, ensure that driven wheel rests on determining position without moving about
Phenomenon.Therefore, when driving wheel continuous rotation, driven wheel obtains the intermittent movement stopped while moving.
Application No. is 201310058847.0 Chinese patent applications to disclose hypodontia formula powershift mechanism, for electronic
The manual, electric automatic switchover of actuator, the mechanism include: output gear, are engaged with electronic input gear, are held for driving
The output end of row device；Unfilled corner gear is installed with output gear in the position of engagement, and for connecting crank or handwheel, outer circle is lacked
Lack several gear teeth at angle；It is manual output state when the gear teeth meshing of the gear teeth of the unfilled corner gear and output gear；It is described
It is electronic output state when at the unfilled corner of unfilled corner gear close to the gear teeth of output gear.Teeth-missing gear in the patent application document
It is engaged with another gear.
Application No. is 90224947.9 Chinese patent applications to disclose a kind of pawl type automobile anti-theft lock by operating on brake, including outer
Shell, rack gear, hypodontia wheel, the first torsional spring, pawl, the second torsional spring, control drawstring, protecting pipe, spring, sliding block, gear tongue, lock tongue, needle
The composition such as spring, spring, pawl, rack gear one end are connected and fixed by bolt and brake pedal push rod, the other end and brake-fluid press pump
Piston push rod connection or at being integral, hypodontia wheel is fixed on A axis, and can rotate around A axis, be engaged with rack, pawl with
Second torsional spring is fixed in B axle, and can be rotated around B axle, the cam contact on pawl and hypodontia wheel, and control drawstring is fixed on hypodontia
It on the fan platform of wheel, and is fixedly connected with a slide block across protecting pipe, gear tongue is stuck in the slot of sliding block, and needle spring is bounced tongue is kept off, sliding block
It can flexibly be moved in ignition lock, and compressed spring, pawl around C axis and can be fixed on C axis, be connect with the cylindrical surface of hypodontia wheel
Touching, tri- axis of A, B, C is fixed inside the shell, and part, hypodontia wheel, pawl of rack gear etc. all inside the shell, are drawn by the control of extraction
Rope is interlocked with the sliding block in ignition lock.Teeth-missing gear is engaged with a rack gear in the patent application document.
Application No. is a kind of disk apparatus of 200980124960.6 PCT Application Publication, switching comes from a driving source
Power-transmission system with carry disc and carry pick-up characterized by comprising rack gear, the rack gear is along the pick-up
Moving direction extend, and can be integrated with the pick-up；First teeth-missing gear, first teeth-missing gear have cam path simultaneously
Engage with a gear of the power-transmission system, disengage；Second teeth-missing gear, which, which has, corresponds to institute
The hole for stating cam path overlaps in first teeth-missing gear and be pivotally supported into can be relative to the first teeth-missing gear phase
It rotates over the ground, and engages with a gear of the power-transmission system, disengages；Rotating bar has in one end of the rotating bar
The holding section for abutting and pressing towards the pick-up moving direction rack gear with the engaging portion on the rack gear, in the rotating bar
The other end have through the hole and act on the pin of the cam path；Trigger member, the trigger member are inserted in disc
Enter and is worked when completing so that first teeth-missing gear rotates, so that a gear with the power-transmission system engages；Work
Make component, the working component by first teeth-missing gear rotatory force and work with cut off for carry disc roller institute
State power-transmission system；And first biasing member, first biasing member are set between the rotating bar and the rack gear, with
With the rotation with first teeth-missing gear, rotationally the holding section of the rotating bar keeps the rack gear mobile, to make
The rack gear is engaged with other gear of the power-transmission system, and second teeth-missing gear is released with the pin
With engaging for a gear of the power-transmission system.By being superimposed two teeth-missing gears in the patent application document, point
It is not engaged with other two gear.
Incomplete tooth gear disclosed in the above application documents has the following problems:
Due to driven wheel in movement overall process and non-fully constant speed, rotation starts and when termination every time, and angular speed has prominent
Become, there are rigid shocks.Tooth and Locking arc on driven wheel need and toothed portion, hypodontia part and the locking on driving wheel
Arc cooperation, causes its processing very complicated；And driven wheel cannot exchange.
In addition, using the incomplete tooth tooth designed with upper type when needing to be intermeshed with multiple transmission mechanisms simultaneously
The structure of wheel will be very complicated.
In addition, being easy to happen axial direction in reverse drive when being driven using above-mentioned setting transmission gear jaggy
Offset.
Summary of the invention
It is an object of the present invention to provide a kind of incomplete tooth transmission gear and drive mechanism, be suitable for simultaneously with multiple gears or
It is realized between rack gear in forward direction transmission and reverse drive with notch intermittently-driving, and axial dipole field does not occur when reverse drive.
Specifically, the present invention adopts the following technical solutions realize: the wheel of the incomplete tooth transmission gear periphery
The endless Total continuity of tooth, thus make the periphery of transmission gear include it is jagged, the side of the gap portions is provided with gear position limiting
Piece.
Furthermore, the gear teeth are arranged one layer, and the gap portions pass through gear position limiting along axial two sides respectively
Piece is limited.
Furthermore, the gear teeth include several layers, and gap portions pass through the gear teeth and gear along axial two sides respectively
Limit film is limited.
Furthermore, when the incomplete tooth transmission gear is used as driven Design, as active driving parts, passive biography
Dynamic part or intermediate transmission part.
On the other hand, a kind of incomplete tooth drive mechanism is provided, which is characterized in that including incomplete tooth transmission gear,
It further include the driven rack-plate or driven gear with the incomplete tooth transmission gear engaged transmission, the incomplete tooth driving cog
The tooth layer engaged on wheel with driven rack-plate or driven gear is provided with partial notch, so that in the incomplete tooth drive mechanism
When rotating first angle, the driven rack-plate or driven gear movement, the incomplete tooth drive mechanism continue to rotate second
When angle, the driven rack-plate or driven gear are motionless.
Furthermore, the incomplete tooth transmission gear is provided with two layers or more of tooth layer.
Furthermore, it when the incomplete tooth transmission gear is used as the first driven gear, including is used for and active rack gear
The tooth layer and tooth layer for being engaged with the second driven rack-plate or the second driven gear of plate or driving gear engagement, first from
The tooth layer engaged on moving gear with the second driven rack-plate or the second driven gear is provided with partial notch, so that active rack-plate
Or when driving gear driving the first driven gear rotation first angle, the second driven rack-plate or the movement of the second driven gear are main
When movable tooth batten or driving gear drive the first driven gear to continue to rotate second angle, the second driven rack-plate or second driven
Gear is motionless.
Beneficial effects of the present invention are as follows: incomplete tooth gear and drive mechanism of the invention, be able to achieve positive transmission and
When reverse drive, do not moved with the first drive mechanism cooperated at the hypodontia of the incomplete tooth gear, with the incomplete tooth gear
Toothed portion engagement the second drive mechanism movement, when the incomplete tooth gear continue to rotate to hypodontia part with second transmission
When mechanism cooperates, the second drive mechanism is not moved, the movement of the first transmission mechanism；And it overcomes setting transmission gear jaggy and exists
The technical issues of shifting along axial direction is easy when reverse drive.Due to using gear position limiting piece, transmission gear jaggy
Engaged transmission can be gone on smoothly in reverse drive.Due to using multilayer toothing, can cooperate with multiple drive mechanisms
It is driven.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the embodiment of the present invention 1.
Fig. 2 is the control mechanism enlarged diagram of the embodiment of the present invention 1.
Fig. 3 is the transmission mechanism A enlarged diagram of the embodiment of the present invention 1.
Fig. 4 is the transmission gear front view of the embodiment of the present invention 1.
Fig. 5 is the transmission gear side view of the embodiment of the present invention 1.
Fig. 6 is the transmission gear rearview of the embodiment of the present invention 1.
Fig. 7 is the face transmission gear A-A cross-sectional view in Fig. 5.
Fig. 8 is the face transmission gear B-B cross-sectional view in Fig. 5.
Fig. 9 is transmission gear perspective view in the embodiment of the present invention 1.
Figure 10 is the embodiment of the present invention 2 from the interior overall structure diagram surveyed toward in terms of outside.
Figure 11 be the embodiment of the present invention 2 from exterior measuring toward inside in terms of overall structure diagram.
Figure 12 is the left side propulsive mechanism enlarged diagram of the embodiment of the present invention 2.
Figure 13 is the right side propulsive mechanism enlarged diagram of the embodiment of the present invention 2.
Label in figure: 1- station indication window, 2- protrusion, 3- working position contact, 4- test position contact, 5- gear position limiting
Piece, 6- control mechanism, 61- firm banking, the right rack-plate of 62-, the left rack-plate of 63-, 64- driven wheel of differential, 65- active conical tooth
Wheel, 66- lockhole panel, 67- gear shaft, 68- marking plate driving wheel, 69- station marking plate, 7- transmission mechanism A, 71- test position
Rack-plate, 72- transmission gear, 73- working position rack-plate, 711- test position pushing plate, 731- working position pushing plate, 70- transmission
Mechanism B, 720- Left Drive gear, the right transmission gear of 721-, 712- test position gear, and 713- tests position pushing block.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments and referring to attached
Present invention is further described in detail for figure.It should be appreciated that described herein, specific examples are only used to explain the present invention.
According to the difference of voltage and effect in the drawer of low-tension switch cabinet, it is divided into two kinds of wiring, one kind being used for forceful electric power route
Connection, it is a kind of for controlling the connection of route.Drawer has following three kinds of working conditions:
State 1, referred to as open position, at this time an inlet wire and secondary inlet wire all access failures.
State 2, referred to as test position, an inlet wire access failure, secondary inlet wire are connected at this time.
State 3, referred to as operating position, an inlet wire is all connected with secondary inlet wire at this time.
Embodiment 1:
One embodiment of the present of invention is alternately propelled mechanism for a kind of drawer.Referring to Fig.1, which is alternately propelled mechanism
Mainly include control mechanism 6 and transmission mechanism A 7.
Referring to Fig. 2, control mechanism 6 includes firm banking 61, right rack-plate 62, left rack-plate 63, driven wheel of differential 64, master
Dynamic bevel gear 65, lockhole panel 66, gear shaft 67, marking plate driving wheel 68 and station marking plate 69, the gear shaft 67 is laterally
Drive bevel gear 65, the drive bevel gear 65 and the driven wheel of differential 64 with vertical direction central axis is arranged in inner end in setting
Top gear teeth meshing, right rack-plate 62 and left rack-plate 63 be distributed in the two sides of driven wheel of differential 64, and respectively and from mantle
The lower part gear teeth meshing of gear 64 can drive right rack-plate 62 and left rack-plate 63 to two when gear shaft 67 rotates simultaneously
Side movement.It is only illustrated in the present embodiment with bevel gear, but is not limited to bevel gear, can also be the tooth of other types
Wheel, as long as used gear structure can be realized above-mentioned function.
Firm banking 61 is fixed on drawer-bottom board by rivet, and is limited left rack-plate 63 and right rack-plate 62
Position.Driven wheel of differential 64 is fixed on firm banking 61.
Lockhole is equipped in control mechanism 6, insertion controls (such as key) can be by driving drive bevel gear 65 to make
Two sides move left and right rack-plate to the left and right respectively, and then are transferred the motion at contact by transmission mechanism A7, realize circuit
Connection disconnects control.
Transmission mechanism A 7 includes the push structure at left and right sides of drawer.Since the propulsive mechanism structure of drawer two sides is identical,
Structure explanation is carried out by taking right part as an example.Left and right side described in the present embodiment refers to when seeing inwardly from drawer outside
Left and right side.Referring to Fig. 3, the propulsive mechanism on right side includes test position rack-plate 71, working position rack-plate 73 and driving cog
Wheel 72.Wherein, right rack-plate 62, test position rack-plate 71 and working position rack-plate 73 are engaged with transmission gear 72.Driving cog
The structure of wheel 72 is provided with Multilayer-tooth referring to Fig. 4~Fig. 9 on transmission gear 72, including for nibbling with test position rack-plate 71
Layer where the tooth of conjunction, the layer where the tooth for being engaged with working position rack-plate 73 and for being engaged with right rack-plate 62
Tooth where layer.On transmission gear 72 on the layer and transmission gear 72 where the tooth that engages of test position rack-plate 71 with work
Layer where making the tooth of the engagement of position rack-plate 73 has partial notch, so that turning an angle (such as 90 degree) in controls
When, test position rack-plate 71 moves and working position rack-plate 73 is motionless；Controls continues to rotate certain angle (such as 180 degree)
When, working position rack-plate 73 moves and to test position rack-plate 71 motionless.It is carried out using above-mentioned setting transmission gear 72 jaggy
When transmission, in reverse drive, gear is easy to happen offset, passes through setting gear position limiting piece 5 in the present embodiment (referring to Fig. 9)
Mode solves this problem in that.After gear position limiting piece 5 is arranged, the gap portions on transmission gear 72 pass through respectively along axial two sides
The gear teeth and gear position limiting piece 5 are limited.It is engaged respectively with test position rack-plate 71, working position rack-plate 73, right rack-plate 62
Transmission gear 72 be not limited to the above-mentioned three-decker illustrated in this implementation, transmission gear 72 includes at least and test position rack-plate
71, three layers of gear teeth that working position rack-plate 73, right rack-plate 62 engage respectively；Test position rack-plate 71, working position rack gear
Plate 73, right rack-plate 62 are also not necessarily limited to form engagement level in the order described above, as long as guaranteeing test position rack-plate 71, working position
Rack-plate 73, right rack-plate 62 gear teeth meshing with different levels on transmission gear 72, but at this point, transmission gear 72 respectively
The setting of upper each layer gear teeth still needs to guarantee to turn an angle (such as 90 degree) in controls to drive right rack-plate 62 to move
When certain distance, test position rack-plate 71 movement and working position rack-plate 73 is motionless, controls continue to rotate certain angle (such as
180 degree) thus when right rack-plate 62 being driven to continue to move certain distance, working position rack-plate 73 moves and tests position rack-plate 71
It is motionless；Above-mentioned rotation angle is also only a kind of citing of the present embodiment, can according to need and different rotation angles is arranged.It can be with
Understand, using with the incomplete tooth transmission gear that 72 same principle of transmission gear designs be also used as active driving parts, from
Dynamic driving parts or intermediate transmission part.The part engaged with incomplete tooth transmission gear is not limited to gear or rack gear.
As shown in Figure 1, test position rack-plate 71 and test position pushing plate 711 are connected, test position pushing plate 711 and test position
Contact 4 is connected, and working position rack-plate 73 and working position pushing plate 731 are connected, and working position pushing plate 731 and working position contact 3 are solid
Even.When testing the movement of position rack-plate 71, test position pushing plate 711 is driven to move, and then promotes and test the movement of position contact 4,
It establishes and is electrically connected between test position contact 4 and test position socket (being not shown on figure), reach test position.When working position rack gear
When plate 73 moves, working position pushing plate 731 is moved, and then working position contact 3 is promoted to move, and working position contact 3 and working position are inserted
Electrical connection is established between seat (being not shown on figure), reaches operating position.
When drawer is in operating position, if controls is rotated backward certain angle (such as 180 degree), working position tooth
73 counter motion of batten and to test a rack-plate 71 motionless, working position pushing plate 731 pulls 3 counter motion of working position contact, from
It opens working position socket (being not shown on figure), separated being electrically connected of working position contact 3 and working position socket (being not shown on figure) reaches
To test position.If controls reversely to be continued to rotate to certain angle (such as 90 degree), 71 counter motion of position rack-plate is tested
And working position rack-plate 73 is motionless, test position pushing plate 711 pulls test 4 counter motion of position contact, leaves test position socket (figure
On be not shown), test position contact 4 with test position socket (being not shown on figure) separated being electrically connected, reach open position.To
It realizes and is realized between open position, test position and operating position using an operational instrument by the rotation of control mechanism
Regulation.
To sum up, during whole operation, drawer (i.e. equipment holder) does not need to move, as long as being turned by control mechanism
Movable gear shaft, so that it may the movement for realizing test contact and working contact achievees the purpose that point contact, more laborsaving efficient, and
And safety is more preferable.
It is also provided with station indication window 1 on lockhole panel 66, is used to indicate drawer current working status.Referring to Fig.1 and scheme
2, be provided with marking plate driving wheel 68 on gear shaft 67, distance of 68 outer wall of marking plate driving wheel apart from 67 axle center of gear shaft by
It is cumulative to add.Lockhole panel 66 is additionally provided with inner panel shell, is provided with sliding rail in inner panel shell, sliding setting in the sliding rail
There is station marking plate 69.69 side of station marking plate is provided with protrusion 2, and it is outermost that protrusion 2 is overlapped in marking plate driving wheel 68
On outer wall, 69 front of station marking plate is successively with instruction different colours and/or the label of different working condition, station marking plate
Lamp is installed, for illuminating these labels of display after 69.
When gear shaft 67 drives marking plate driving wheel 68 to rotate synchronously, marking plate driving wheel 68 can drive station marking plate
The protrusion 2 of 69 sides is to drive station marking plate 69 to move up and down.Specifically, key, station marking plate 69 are inserted and rotated
The labeled promotion of plate driving wheel 68 moves upwards, and at 90 degree of key turns, drawer reaches test position, 69 previous generation of station marking plate
The label of table test position is located at station indication window 1.When key continues to rotate, station marking plate 69 is labeled plate driving wheel 68
Promotion moves upwards, and when the accumulation of key turns angle reaches 270 degree, drawer reaches operating position, represents on station marking plate 69
The label of operating position is located at station indication window 1.When key rotates backward 180 degree, station marking plate 69 is made due to gravity
With decline, the label that test position is represented on station marking plate 69 is located at station indication window 1.When key continues to rotate 90 degree
When, for station marking plate 69 since gravity declines, the label that open position is represented on station marking plate 69 is located at station instruction
Window 1.Rotation angle is only a kind of citing of the present embodiment herein, can cooperate and above-mentioned need to be arranged different rotation angles simultaneously
Has the mark position of indicating operating status on corresponding setting station marking plate 69.
Due to using the label of indicator light and different colours and/or text, each working condition of drawer is in station
Indication window is very clear.
Embodiment 2:
Another embodiment of the invention, working principle and implementation 1 are essentially identical, have and embodiment 1 is essentially identical
Control mechanism, the mode of different mainly transmission mechanism movements.
Referring to Fig.1 0, transmission mechanism B 70 used in the present embodiment include the push structure at left and right sides of drawer.This reality
It applies in example, the propulsive mechanism structure of drawer two sides is not identical.Left and right side described in the present embodiment refers to from drawer outside
Left and right side when seeing inwardly.
The structure of left side propulsive mechanism referring to Fig.1 0 (toward in terms of outside on the inside of from drawer, being free of plug), Figure 11 (outside drawer
Side sees toward inside, contains plug) and Figure 12, left side propulsive mechanism mainly include left rack-plate 63, working position rack-plate 73 and left biography
Moving gear 720.Wherein, left rack-plate 63, working position rack-plate 73 are engaged with Left Drive gear 720.In Left Drive gear 720
On be provided with two layers of tooth, working position rack-plate 73 is engaged with the lower layer of Left Drive gear 720, left rack-plate 63 and Left Drive gear
720 upper layer engagement.Layer where the tooth that Left Drive gear 720 is engaged with working position rack-plate 73 has partial notch, so that
Controls turn an angle (such as 90 degree) when, test position gear 712 movement and working position rack-plate 73 is motionless；Controls after
It is continuous turn an angle (such as 180 degree) when, working position rack-plate 73 moves and to test position gear 712 motionless.In the present embodiment
Left Drive gear 720 and the equally setting gear position limiting piece 5 of right transmission gear 721, Left Drive gear 720 and right transmission gear
Gap portions on 721 pass through the gear teeth respectively along axial two sides and gear position limiting piece 5 is limited.It should be noted that point
The Left Drive gear 720 not engaged with left rack-plate 63, working position rack-plate 73 is not limited to above-mentioned two layers to illustrate in this implementation
Structure, Left Drive gear 720 include at least two layers of the gear teeth engaged respectively with left rack-plate 63, working position rack-plate 73；
Left rack-plate 63, working position rack-plate 73 are also not necessarily limited to form engagement level in the order described above, if guarantee left rack-plate 63,
The gear teeth meshing with different levels on Left Drive gear 720, but at this point, Left Drive gear respectively of working position rack-plate 73
The setting of each layer gear teeth still needs to guarantee when controls turns an angle (such as 90 degree) on 720, test position gear 712 move and
Working position rack-plate 73 is motionless；When controls continues to rotate certain angle (such as 180 degree), working position rack-plate 73 is moved and is surveyed
It is motionless to try position gear 712.
0, Figure 11 and Figure 13, right side propulsive mechanism include right rack-plate 62, test to the structure of right side propulsive mechanism referring to Fig.1
Position gear 712, working position rack-plate 73 and right transmission gear 721.Wherein, right rack-plate 62, test position gear 712 and working position
Rack-plate 73 is engaged with right transmission gear 721.It is provided with two layers of tooth on right transmission gear 721, tests position gear 712 and work
Make position rack-plate 73 to engage with the upper layer of right transmission gear 721 respectively, the lower layer of right rack-plate 62 and right transmission gear 721 nibbles
It closes.The side of test position pushing block 713 is provided with latch, and test position gear 712 includes the lower whorl engaged with right transmission gear 721
Tooth layer and the upper gear teeth layer engaged with the latch of test 713 side of position pushing block.Right transmission gear 721 and working position rack-plate
Layer where the tooth of 73 engagements has partial notch, and the layer where the tooth that test position gear 712 is engaged with right transmission gear 721 has portion
Divide notch, so that test position gear 712 moves and working position rack-plate 73 when controls turns an angle (such as 90 degree)
It is motionless；When controls continues to rotate certain angle (such as 180 degree), working position rack-plate 73 moves and tests position gear 712 not
It is dynamic.It should be noted that the right driving cog engaged respectively with right rack-plate 62, test position gear 712 and working position rack-plate 73
Wheel 721 is not limited to the above-mentioned double-layer structure illustrated in this implementation, and right transmission gear 721 includes at least and right rack-plate 62, test
Two layers of gear teeth that position gear 712 and working position rack-plate 73 engage respectively；Right rack-plate 62, test position gear 712 and work
Make position rack-plate 73 to be also not necessarily limited to form engagement level in the order described above, as long as guaranteeing right rack-plate 62, test position gear 712
With the gear teeth meshing with different levels on right transmission gear 721, but at this point, right transmission gear respectively of working position rack-plate 73
The setting of each layer gear teeth still needs to guarantee when controls turns an angle (such as 90 degree) on 721, test position gear 712 move and
Working position rack-plate 73 is motionless, and when controls continues to rotate certain angle (such as 180 degree), working position rack-plate 73 is moved and surveyed
It is motionless to try position gear 712.The test position gear 712 engaged respectively with right transmission gear 721, test position pushing block 713 is not limited to
The above-mentioned double-layer structure illustrated in this implementation, test position gear 712 include at least and right transmission gear 721, test position pushing block
713 two layers of the gear teeth engaged respectively；Right transmission gear 721 and test position pushing block 713 are also not necessarily limited in the order described above
Engagement level is formed, as long as guaranteeing that right transmission gear 721 and test position pushing block 713 are different from test position gear 712 respectively
The gear teeth meshing of level, but still need to guarantee to rotate centainly in controls at this point, testing each layer gear teeth setting on position gear 712
When angle (such as 90 degree), test position gear 712 is moved and working position rack-plate 73 is motionless, and controls continues to rotate certain angle
When (such as 180 degree), working position rack-plate 73 is moved and to test position gear 712 motionless.Further, respectively with right rack-plate
62, testing the right transmission gear 721 that position gear 712 and working position rack-plate 73 engage can also use described in embodiment 1
The structure of transmission gear 72, at this point, the test position gear 712 engaged with right transmission gear 721 need to be nibbled with right transmission gear 721
The tooth layer of conjunction using full tooth, at this point, still may be implemented in controls turn an angle (such as 90 degree) when, test position gear 712
Movement and working position rack-plate 73 is motionless, when controls continues to rotate certain angle (such as 180 degree), working position rack-plate 73 transport
It is dynamic and to test position gear 712 motionless.
The structure referring to Fig.1 3 of position pushing block 713 is tested, test position pushing block 713 and test position contact 4 are connected, working position
Rack-plate 73 and working position pushing plate 731 are connected, and working position pushing plate and working position contact 3 are connected.When test position gear 712 is transported
When dynamic, driving test position pushing block 713 is moved, and then test position contact 4 is promoted to move, and is inserted in test position contact 4 and test position
Electrical connection is established between seat (not shown), reaches test position.When working position rack-plate 73 moves, working position is promoted
Plate 731 promotes working position contact 3 to move, and establishes and is electrically connected between working position contact 3 and working position socket (not shown),
Reach operating position.
When drawer is in operating position, if controls is rotated backward certain angle (such as 180 degree), working position tooth
73 counter motion of batten and to test a gear 712 motionless, working position pushing plate 731 pulls 3 counter motion of working position contact, leaves
Working position socket (not shown), separated being electrically connected of working position contact 3 and working position socket (not shown), reaches
Test position.If controls reversely to be continued to rotate to certain angle (such as 90 degree), test 712 counter motion of position gear driving
Test 713 counter motion of position pushing block and working position rack-plate 73 is motionless, test position pushing block 713 pulls test position contact 4 anti-
To movement, test position socket (not shown) is left, test position contact 4 is separated with test position socket (not shown)
Electrical connection, reaches open position.Disconnection position is realized by the rotation of control mechanism using an operational instrument to realize
It sets, the regulation between test position and operating position.
It should be noted that the incomplete tooth transmission gear in the present invention can according to need any multilayer of setting, it is above-mentioned
Embodiment only with two layers or three layers the case where be illustrated.Incomplete tooth transmission gear of the invention and transmission mechanism and use
The incomplete tooth transmission gear or transmission mechanism of same principle design can according to need applied to other scenes.
Although the present invention has been described by way of example and in terms of the preferred embodiments, embodiment is not for the purpose of limiting the invention.Not
It is detached from the spirit and scope of the present invention, any equivalent change or retouch done also belongs to the protection scope of the present invention.Cause
This protection scope of the present invention should be based on the content defined in the claims of this application.
Claims (7)
1. a kind of incomplete tooth transmission gear, which is characterized in that the gear teeth of the incomplete tooth transmission gear periphery not exclusively connect
It is continuous, thus make the periphery of transmission gear include it is jagged, the side of the gap portions is provided with gear position limiting piece.
2. incomplete tooth transmission gear according to claim 1, which is characterized in that described one layer of gear teeth setting, described to lack
Oral area position passes through gear position limiting piece along axial two sides respectively and is limited.
3. incomplete tooth transmission gear according to claim 1, which is characterized in that the gear teeth include several layers, notch
Position passes through the gear teeth respectively along axial two sides and gear position limiting piece is limited.
4. not exclusively tooth drive mechanism as described in claim 1, which is characterized in that the incomplete tooth transmission gear, which is used as, to be passed
When dynamic design, as active driving parts, passive driving parts or intermediate transmission part.
5. a kind of incomplete tooth drive mechanism, which is characterized in that including incomplete tooth described in any one of claim 1-4
Transmission gear, further includes driven rack-plate or driven gear with the incomplete tooth transmission gear engaged transmission, described endless
The tooth layer engaged on full tooth transmission gear with driven rack-plate or driven gear is provided with partial notch, so that described incomplete
Tooth drive mechanism rotate first angle when, the driven rack-plate or driven gear movement, the incomplete tooth drive mechanism after
When continuous rotation second angle, the driven rack-plate or driven gear are motionless.
6. not exclusively tooth drive mechanism as claimed in claim 5, which is characterized in that the incomplete tooth transmission gear is provided with
Two layers or more of tooth layer.
7. not exclusively tooth drive mechanism as claimed in claim 6, which is characterized in that the incomplete tooth transmission gear is used as the
When one driven gear, including the tooth layer for being engaged with active rack-plate or driving gear and it is used for and the second driven rack-plate
Or second driven gear engagement tooth layer, the tooth engaged with the second driven rack-plate or the second driven gear on the first driven gear
Layer is provided with partial notch, when so that active rack-plate or driving gear driving the first driven gear rotation first angle, second
Driven rack-plate or the movement of the second driven gear, active rack-plate or driving gear drive the first driven gear to continue to rotate second
When angle, the second driven rack-plate or the second driven gear are motionless.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810313477.3A CN110345220A (en) | 2018-04-08 | 2018-04-08 | Incomplete tooth transmission gear and drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810313477.3A CN110345220A (en) | 2018-04-08 | 2018-04-08 | Incomplete tooth transmission gear and drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110345220A true CN110345220A (en) | 2019-10-18 |
Family
ID=68173399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810313477.3A Pending CN110345220A (en) | 2018-04-08 | 2018-04-08 | Incomplete tooth transmission gear and drive mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864093A (en) * | 2019-11-05 | 2020-03-06 | 天津五一机电设备有限公司 | Reciprocating motion width ratio impulse number subtracting device |
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| JP2007292098A (en) * | 2006-04-21 | 2007-11-08 | Seiko Epson Corp | Multiple-stage intermittent driving mechanism |
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