CN110259901A - Slewing bearing limiting device based on gear rack mechanism and application thereof - Google Patents
Slewing bearing limiting device based on gear rack mechanism and application thereof Download PDFInfo
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- CN110259901A CN110259901A CN201910582683.9A CN201910582683A CN110259901A CN 110259901 A CN110259901 A CN 110259901A CN 201910582683 A CN201910582683 A CN 201910582683A CN 110259901 A CN110259901 A CN 110259901A
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- rack
- gear
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- rack gear
- limited
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- 230000033001 locomotion Effects 0.000 claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims description 29
- 230000000903 blocking effect Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 230000003028 elevating effect Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000009347 mechanical transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- 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
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
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- 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
- F16H57/00—General details of gearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/08—Foundations or supports plates; Legs or pillars; Casings; Wheels
- F24C15/086—Adjustable legs or pillars
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/008—Ranges
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Transmission Devices (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
The invention discloses a slewing bearing limiting device based on a gear rack mechanism, which belongs to the field of mechanical transmission structures and comprises a slewing bearing part and a limiting frame, wherein the slewing bearing part and the limiting frame are arranged below a rack, the limiting frame comprises a first limiting frame used for supporting a motor and a second limiting frame arranged opposite to the first limiting frame, and two ends of the slewing bearing part are clamped between the first limiting frame and the second limiting frame. The rack is clamped between the gear and the limiting device, so that the sliding direction of the rack is further limited, and the rack is prevented from being separated from the gear along the vertical direction, so that the rack can only slide on a unique motion path, and the motion of the support assembly is more stable.
Description
Technical field
The present invention relates to mechanical transmission structure fields, and in particular to a kind of pivoting support limit based on gear and rack teeth mechanism
Device and its application.
Background technique
Rack-and-pinion is transmission mechanism common in machine driven system, and gear, rack gear and motor cooperate exportable stabilization
Power, can be used for controlling target carry out it is more stable, more accurate mobile.
To keep gear, rack gear to export stable power, the two is needed to remain relatively stable meshing state.
Existing rack and pinion drive mechanism, gear are usually provided in the output end of motor, rack gear be set to below gear and with
Gear is meshed.The end of rack gear connects other mechanical structures usually as the output end of the transmission mechanism, in motor work,
Gear rotation drives rack displacement, so that output phase is to stable thrust.
But rack gear is easy to happen offset in displacement process, disengages rack and pinion mutually, or engagement is not close, leads
It causes rack gear to fail during the motion, influences the stationarity of output power.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that prior art middle rack is overcome to cannot keep smoothly mobile road
The defect of diameter limits the motion path of rack gear, makes to provide a kind of pivoting support limiting device based on gear and rack teeth mechanism
Rack gear is able to more stably output power.
A kind of pivoting support limiting device based on gear and rack teeth mechanism, comprising:
Swivel mounting member is set to below rack gear；
Position-limited rack is oppositely arranged including the first position-limited rack to support the motor, and with first position-limited rack
The second position-limited rack, the both ends of the revolving support part are folded between first position-limited rack and the second position-limited rack.
The present invention is further arranged to, and the limiting device further includes the shaft member for installing the revolving support part, institute
It states shaft member and the position-limited rack and hinders the revolving support part to slide along the axial direction of the shaft member from revolving support part both ends.
The present invention is further arranged to, and is respectively equipped on first position-limited rack and second position-limited rack for the shaft member
The mounting hole and card slot of insertion.
The present invention is further arranged to, and the revolving support part further includes spring bearing, and the position-limited rack is solid equipped with axis
Stator, axis fixinig plate both ends be separately connected the shaft member end and the position-limited rack, with prevent the shaft member relative to
The position-limited rack rotation.
The present invention is further arranged to, and the axis fixinig plate is equipped with the abnormity positioning passed through for the end of the shaft member
Hole, the shaft member are equipped with the second limited step for preventing the axis fixinig plate from continuing through.
The invention solves another technical problem be to overcome it is smooth during kitchen range up and down in the prior art
The insufficient defect of property, to provide a kind of with the pivoting support limiting device based on gear and rack teeth mechanism in above-mentioned any scheme
Kitchen range.
A kind of gas cooker, comprising:
Support component, one end are used to support hearth, and the other end connects transmission mechanism, form rack gear described in sandwiched with gear
Gap；
Transmission mechanism, it is described including motor, the rack gear that is controlled by the gear of the motor and is engaged with the gear
Rack gear one end connects the support component, and the rotation of the gear is converted to the support component along in work by the rack gear
Make the elevating movement between position and inoperative position；
Limiting device described in above-mentioned any scheme, to support the rack gear far from one end of the support component, institute
Rack gear is stated to be folded between the gear and the limiting device
The present invention is further arranged to, and the support component is scissors-type lifting, and one end of the rack gear is connected to institute
It states scissors-type lifting to be located on the movable end of bottom, the top of the scissors-type lifting is to support the hearth.
The present invention is further arranged to, and connecting rod, the tooth are provided on the movable end of the scissors-type lifting
Item acts in the connecting rod to drive the scissors-type lifting that lifting action occurs.
The present invention is further arranged to, and rack gear block is provided in the connecting rod, and the rack gear is mounted on the rack gear
On block, the rack gear block includes the interconnecting piece being connected with the connecting rod and the blocking that is arranged on the interconnecting piece
Portion, when the scissors-type lifting is moved towards working position, the blocking portion is acted against on the rack gear.
The present invention is further arranged to, and position-limited wheel is provided on the movable end, and the position-limited wheel bottom is equipped with and is parallel to
The limit sliding rail of the motion path.
A method of above-mentioned gas cooker lifting is controlled, is included the following steps:
Judge whether gas cooker is switched on；
After gas cooker booting, control transmission mechanism starting controls the support component and drives the hearth hair
Raw vertical motion；
When the support component rises to the first predetermined position, the transmission mechanism stop motion is controlled.
Described " when the support component rises to the first predetermined position, controlling the transmission mechanism stop motion "
Afterwards, further include following steps:
Judge whether gas cooker shuts down；
After gas cooker shutdown, control transmission mechanism starting controls the support component and drives the hearth hair
Raw lowering action；
When the support component drops to the second predetermined position, the transmission mechanism stop motion is controlled.
Technical solution of the present invention has the advantages that
1. limiting device provided by the invention supports the free end of rack gear, rack gear is made to be maintained at water in slipping
In plane, to increase the ride comfort of support component movement.Rack gear is folded between gear and limiting device, is further defined
The glide direction of rack gear, and prevent rack gear from mutually disengaging with gear along the vertical direction, so that rack gear can only be on uniquely movement road
It is slid on diameter, keeps the movement of support component more steady.The pivoting support that revolving support part provides, can be such that rack gear was sliding
Rolling friction occurs for Cheng Zhongyu revolving support part, reduces the resistance of rack movement, keeps the movement of rack gear more smooth.
2. limiting device provided by the invention, shaft member provides more reliable support for swivel mounting member, and in shaft member
Equipped with the first limited step, to prevent swivel mounting member from sliding along shaft member.Position-limited rack clamps swivel mounting member from the other side, with resistance
Non-return turns supporting element and slides to the other end of shaft member.
3. limiting device provided by the invention, the shaft member protrudes above to form the first limited step, the revolving support part
It wears when being mounted in the shaft member, first limited step prevents the revolving support part from continuing the axial direction along the shaft member
Sliding.By protruding the first limited step of shaft member side, revolving support part is tentatively limited, revolving support part is prevented to wear
Continue to slide in shaft member when being located in shaft member.It when installing shaft member, needs that first revolving support part is set in shaft member, turn round
Supporting element is threaded through the direction of motion in shaft member, is directed toward one end that shaft member needs to cooperate insertion mounting hole, therefore in time to revolution
Supporting element limit prevents influence of the revolving support part to shaft member insertion mounting hole.
4. limiting device provided by the invention is supported the both ends of shaft member by mounting hole and card slot, makes shaft member can
To provide more reliable support force for swivel mounting member, the mobile ride comfort of rack gear is further improved.
5. limiting device provided by the invention, the shaft member is used to wear one end inlay card of the swivel mounting member described
In card slot, and the limit for accommodating the revolving support part just is formed between second position-limited rack and first limited step
Spacing.Revolving support part is clamped from revolving support part two sides with the second position-limited rack by the first limited step, is further limited
Revolving support part prevents revolving support part from, along the axial moving of shaft member, provide revolving support part to rack gear when supporting rack gear
More stable pivoting support.
6. limiting device provided by the invention, the revolving support part further includes spring bearing, the bearing support inner ring
It is fitted closely with the shaft member, below the rack gear, the rack gear translates the outer ring revolving support of the bearing support
When drive the outer ring of the bearing support relative to the bearing support inner ring rotate.Tooth is supported by support-bearing member
Item, bearing support inner ring is mutually chimeric with shaft member, clamps together usually interference fit or clearance fit.Therefore bearing support inner ring with
The outer circumference face of shaft member fits closely, and the outer ring of bearing support supports rack gear, when translational motion occurs for rack gear, bearing support
Outer ring and rack gear between occur rolling friction, the outer ring of bearing support is rotated relative to inner ring.Keep the movement of rack gear more flat
It is suitable.
7. limiting device provided by the invention, the position-limited rack is equipped with axis fixinig plate, axis fixinig plate both ends difference
Connect the shaft member end and the position-limited rack, to prevent the shaft member from rotating relative to the position-limited rack.It is fixed by axis
Shaft member is connect locking with position-limited rack by piece, rotate shaft member can not, causes bearing support inner ring that can not rotate, bearing support is not easy
It skids, to further improve the support effect of support revolving support part, keeps the movement of rack gear more smooth.
8. limiting device provided by the invention limits the rotation of shaft member by profiled holes, by the second limited step come
Locating shaft fixinig plate clamps together position, is easy for installation and removal.
9. gas cooker provided by the invention, transmission mechanism selects wheel and rack, is rotated by motor control gear, by tooth
Wheel belt carry-over bar sliding, to push support component that hearth is driven to rise or fall.The bearing capacity of wheel and rack cooperation transmission
Greatly, thus rack gear or gear be not susceptible to damage, and the two transmission precision is higher, and the movement for the support component for being is more flat
Surely, act the up and down of hearth more smooth.
10. gas cooker provided by the invention drives hearth lifting by scissors-type lifting, due to scissors-type lifting
The supporting point on top is held in same level in action process, therefore by the hearth of scissors-type lifting support upper
It rises, keep horizontality during decline.Scissors-type lifting is controlled by rack gear, and rack gear has the excellent of above-mentioned hearth elevating mechanism
Point, therefore, rack gear provide the thrust of lasting, stable direction level, so that scissors-type lifting is when driving hearth movement
It is more smooth, stable.
11. gas cooker provided by the invention connects two activities of above-mentioned scissors-type lifting bottom by connecting rod
End, rack gear indirectly controls above-mentioned two movable end simultaneously operation by connecting rod, to keep scissors-type lifting acting
Horizontal support hearth in journey.
12. gas cooker provided by the invention connects free end and the connecting rod of rack gear by rack gear block.Rack gear gear
Block includes interconnecting piece and blocking portion, and interconnecting piece connects the free end of rack gear for being set in connecting rod, blocking portion.Blocking portion is
The free end of rack gear provides a mounting plane, length direction when which installs, then passes through interconnecting piece
Adjustment is fixed, and the length direction after being fixed on rack gear on rack gear block is consistent with its glide direction.
13. by the way that position-limited wheel is arranged on movable end, and support limit wheel is arranged in gas cooker provided by the invention
Limit sliding rail.Position-limited wheel provides support for movable end, mitigates the load during above-mentioned rack movement, increases above-mentioned scissor lift
The ride comfort of mechanism action.And the sliding path that sliding rail limits position-limited wheel is limited, further increase scissors-type lifting movement
Ride comfort.
14. the method for control gas cooker lifting provided by the invention, the moving line of rack gear is limited by travel switch,
Setting travel switch is respectively corresponded at the both ends of rack movement route.When the position where rack movement to travel switch, touching
Travel switch is touched to control motor and only stop, is supported on support component hearth on working position or inoperative position just.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram that the present invention indicates limiting device and rack and pinion drive mechanism integrated structure；
Fig. 2 is the schematic diagram of limit device structure；
Fig. 3 is the explosive view for indicating each part position relations of limiting device；
Fig. 4 is the schematic diagram for indicating idler wheel axle construction；
Fig. 5 is the schematic diagram for indicating the fixed chip architecture of axis；
Fig. 6 is the structural schematic diagram for indicating the gas cooker lifting state using limiting device；
Fig. 7 is the structural schematic diagram for indicating the gas cooker decline state using limiting device；
Fig. 8 is the schematic diagram for indicating lifting support modular construction；
Fig. 9 is the system block diagram for indicating gas cooker control method.
Description of symbols:
1- scissors-type lifting；2- transmission mechanism；3- limiting device；
11- connecting rod；12- rack gear block；13- position-limited wheel；14- limits sliding rail；
121- interconnecting piece；122- blocking portion；
21- motor；22- gear；23- rack gear；24- switch cover；
31- swivel mounting member；The first position-limited rack of 32-；The second position-limited rack of 33-；34- shaft member；35- axis fixinig plate；
36- switch cover；37- travel switch；
321- mounting hole；331- card slot；The first limited step of 341-；The second limited step of 342-；351- abnormity is fixed
Bit slice；
4- hearth.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment 1
In conjunction with Fig. 1, Fig. 2, a kind of pivoting support limiting device based on gear and rack teeth mechanism, comprising:
Swivel mounting member 31 is set to 23 lower section of rack gear；
Position-limited rack, including the first position-limited rack 32 to support motor 21, and be oppositely arranged with the first position-limited rack 32
Second position-limited rack 33, the both ends of revolving support part 31 are folded between the first position-limited rack 32 and the second position-limited rack 33.
For revolving support part 31 concrete form with no restrictions, in the present embodiment, revolving support part 31 select bearing.Make
For interchangeable embodiment, revolving support part 31 is also possible to other components or mechanism with said function, to rack gear
23 form pivoting support.
The positioning method of revolving support part 31 is not particularly limited, in the present embodiment, revolving support part 31 passes through axis
Part 34 wears limit, and shaft member 34 and position-limited rack hinder revolving support part 31 along the axial direction of shaft member 34 from 31 both ends of revolving support part
Sliding.
The limit method of shaft member is not particularly limited, in the present embodiment, the first position-limited rack 32 and the second position-limited rack 33
On be respectively equipped with for shaft member 34 be embedded in mounting hole 321 and card slot 331.
Wherein, position-limited rack is equipped with axis fixinig plate 35, and 35 both ends of axis fixinig plate are separately connected end and the limit of shaft member 34
Frame, to prevent shaft member 34 from rotating relative to position-limited rack.Axis fixinig plate 35 is equipped with the abnormity passed through for the end of shaft member 34 and positions
Hole 351, shaft member 34 are equipped with the second limited step 342 for preventing axis fixinig plate 35 from continuing through.
Shaft member 34 can not rotate, and cause the inner ring of revolving support part 31 that can not rotate, and support revolving support part 31 is not easy out
It now skids, to further improve the support effect of support revolving support part 31, keeps the movement of rack gear 23 more smooth.
Embodiment 2
As shown in Figure 7, Figure 8, a kind of gas cooker, comprising:
Support component, one end are used to support hearth 4, and the other end connects transmission mechanism 2；
Transmission mechanism 2, including motor 21, the rack gear 23 that is controlled by the gear 22 of motor 21 and is engaged with gear 22, tooth
23 one end of item connects support component, and the rotation of gear 22 is converted to support component along in working position and non-work by rack gear 23
Make the elevating movement between position；
The limiting device 3 of embodiment 1, to support rack gear 23 far from one end of support component, rack gear 23 is folded in gear
Between 22 and limiting device 3；
Wherein, transmission mechanism 2 is to be engaged by the gear 22 that motor 21 controls with rack gear 23, the rotation band movable tooth of gear 22
Item 23 slides.The free end of rack gear 23 connects support component, and support component movement is driven when rack gear 23 slides, and support component drives
Hearth 4 rises or decline.The mode that gear 22 is engaged with rack gear 23 can more accurately transmit power, make the sliding of rack gear more
Add movement that is smooth, and then driving support component more smooth.Limiting device 3 is not only rack gear 23 in 23 moving process of rack gear
Movable end reliable support is provided, also in the two sides of 23 direction of motion of rack gear, limitation rack gear 23 is shaken, and keeps rack gear 23 more flat
Steady output motive force.Hearth 4 is pushed to carry out for elevating movement compared to multiple electric pushrods, the limiting device of this programme
3 can more smoothly act.Support component is an entirety, can preferably keep whole synchronization during the motion
Property, along with the stable thrust that rack gear 23 exports, so that the lifting of hearth 4 is more smooth.
Specifically, transmission mechanism 2 plays a part of to transmit power, converts rack gear 23 for the rotary motion that motor 21 exports
Sliding motion.Rack gear 23 be controlled by gear 22 sliding, therefore the free end of rack gear 23 in slipping close to or far from entire
Transmission mechanism 2.Support component can be made of link mechanism, the free end of the output end connection rack gear 23 of link mechanism, rack gear
Power is transmitted to entire link mechanism in 23 free end, drives link mechanism molar behavior, makes positioned at link mechanism output end
Hearth 4 is moved according to preset track.
Wherein, gear 22 is located at 23 lower section of rack gear, and limiting device 3 is located at 23 lower section of rack gear, therefore rack gear 23 is supported folder
Tightly between gear 22 and limiting device 3, prevents rack gear 23 from disengaging along the vertical direction with 22 phase of gear, remain rack gear 23
It is engaged with gear 22.
As shown in figure 3, further including support component, support component selects scissors-type lifting 1,1 top of scissors-type lifting
4 supporting points are symmetrically arranged with bottom end, 4 supporting points, which are supported on hearth 4, can make hearth 4 be in more stable more reliable branch
Support state.Meanwhile scissors-type lifting 1 itself is more stably supported on corresponding mounting surface.1 bottom one of scissors-type lifting
Side is hinged on mounting surface, and the other side is movable end, and movable end is connected with the free end of rack gear 23.The free end of rack gear 23 pushes
Movable end translation, to drive four supporting points at 1 top of scissors-type lifting while rise or fall.
Wherein, two movable ends of 1 bottom of scissors-type lifting are connected by connecting rod 11, and connecting rod 11 is controlled by rack gear
23, it moves synchronously two movable end rack gears 23 of 1 bottom of scissors-type lifting when controlling, increases scissors-type lifting
The synchronism of 1 molar behavior keeps the lifting of hearth 4 more stable.
As shown in figure 4, being equipped with rack gear block 12 in connecting rod 11, rack gear block 12 is connected with the free end of rack gear 23.
Rack gear block 12 includes to be arranged the interconnecting piece 121 being connected in connecting rod 11, further includes for installing connection rack gear block
12 blocking portion 122.Blocking portion 122 is located at the side of rack gear 23, and provides a mounting plane for the connection of rack gear 23.It should
Mounting plane prevents rack gear 23 mobile to the direction of motor 23.Meanwhile the free end of rack gear 23 is limited by the second position-limited rack 33,
Second position-limited rack 33 prevents rack gear 23 mobile far from motor 23.Therefore the second position-limited rack 33 and blocking portion 122 are by 23 sandwiched of rack gear
In between the two, the further direction of motion for limiting rack gear 23.
As shown in figure 5, position-limited rack includes the first position-limited rack 32 disposed in parallel and the second position-limited rack 33, swivel mounting member 31
Spring bearing is selected, and spring bearing is located between the first position-limited rack 32 and the second position-limited rack 33.Use is provided on position-limited rack
In the shaft member 34 for wearing spring bearing.The end of shaft member 34 is fixed by axis fixinig plate 35 and 33 locking of the second position-limited rack, makes axis
Part 34 can not be rotated relative to position-limited rack.
As shown in Fig. 3, Fig. 6, limiting device 3 and rack gear block 12 are respectively arranged on the both ends of 23 motion path of rack gear, gear
22 between limiting device 3 and rack gear block 12.It is equipped with switch cover 36 in the free end of rack gear 22, is cut in the promotion of rack gear 23
When the free end of formula elevating mechanism 1, scissors-type lifting 1 drives hearth 4 to rise.In above process, switch cover 36 is close
Position-limited rack movement.Switch cover 36 is corresponded on position-limited rack equipped with travel switch 37.When switch cover 36 touches travel switch 37,
Motor 21 only stops, and hearth 4 hovers over the highest point of setting.
As shown in Fig. 4, Fig. 7, for rack gear 23 when pulling the free end of scissors-type lifting 1, scissors-type lifting 1 drives stove
Platform 4 declines, and the rack gear block 12 in connecting rod 11 is moved close to position-limited rack.The blocking portion 122 of rack gear block 12 is to position-limited rack side
To protrusion, position-limited rack is equipped with another travel switch 37 for cooperating blocking portion 122.When blocking portion 122 touches another stroke
When switch 37, motor 21 only stops.Scissors-type lifting 1 drives hearth 4 to hover over preset extreme lower position
Embodiment 3:
In conjunction with shown in Fig. 8, Fig. 9,
A method of the gas cooker lifting of control embodiment 2 includes the following steps:
S1: judge whether gas cooker is switched on；
S2: starting-up signal is sent from controller to transmission mechanism 2；
S3: after gas cooker booting, the motor 21 in transmission mechanism 2 receives starting-up signal and starts, and motor drives
Gear rotates clockwise；
S4: gear 22 is translated with carry-over bar 23, and rack gear 23 pushes support component to drive hearth 4 that vertical motion occurs；
S5: it is close in 23 translation motion of rack gear and touch travel switch make motor only stop；
S6: support component support hearth 4 is maintained at the first predetermined position, the working position of the first predetermined position, that is, hearth 4；
S7: judge whether gas cooker shuts down；
S8: after gas cooker shutdown, controller sends off signal to transmission mechanism 2；
S9: after the motor 21 of transmission mechanism 2 receives off signal, motor 21 starts and rotates counterclockwise with moving gear 22；
S10: gear 22 is reversely translated with carry-over bar 23, and rack gear 23 controls support component and drives hearth 4 that lowering action occurs；
S11: it is close in the reversed translation motion of rack gear 23 and touch another travel switch make motor 21 only stop；
S12: when support component is maintained at the second predetermined position, the inoperative position of the second predetermined position, that is, kitchen range 4.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (15)
1. a kind of pivoting support limiting device based on gear and rack teeth mechanism characterized by comprising
Swivel mounting member (31) is set to below rack gear (23), and the space for being suitable for rack gear (23) described in sandwiched is formed with gear (22)；
Position-limited rack, including the first position-limited rack (32) to support the motor (21), and with first position-limited rack (32)
The second position-limited rack (33) being oppositely arranged, the both ends of the revolving support part (31) are folded in first position-limited rack (32) and
Between two position-limited racks (33).
2. the pivoting support limiting device according to claim 1 based on gear and rack teeth mechanism, which is characterized in that limit dress
Setting (3) further includes the shaft member (34) for installing the revolving support part (31), and the shaft member (34) and the position-limited rack are from institute
State the axial direction sliding that revolving support part (31) both ends hinder the revolving support part (31) along the shaft member (34).
3. the pivoting support limiting device according to claim 2 based on gear and rack teeth mechanism, which is characterized in that the axis
Part (34) protrudes above to be formed the first limited step (341), and the revolving support part (31), which wears, to be mounted on the shaft member (34)
When, first limited step (341) prevents the revolving support part (31) from continuing the axial direction sliding along the shaft member (34).
4. the pivoting support limiting device according to claim 2 based on gear and rack teeth mechanism, which is characterized in that described
The mounting hole (321) and card for the shaft member (34) insertion are respectively equipped on one position-limited rack (32) and second position-limited rack (33)
Slot (331).
5. the pivoting support limiting device according to claim 4 based on gear and rack teeth mechanism, which is characterized in that the axis
Part (34) is used to wear one end inlay card of the swivel mounting member (31) in the card slot (331), and second position-limited rack
(33) the limit spacing for accommodating the revolving support part (31) just is formed between first limited step (341).
6. the pivoting support limiting device according to claim 4 based on gear and rack teeth mechanism, which is characterized in that described time
Turning supporting element (31) further includes spring bearing, and the bearing support inner ring is fitted closely with the shaft member (34), the support shaft
For the outer ring revolving support held below the rack gear (23), the rack gear (23) drives the outer of the bearing support when translating
It encloses and is rotated relative to the inner ring of the bearing support.
7. -6 any pivoting support limiting device based on gear and rack teeth mechanism, feature exist according to claim 1
In the position-limited rack is equipped with axis fixinig plate (35), and axis fixinig plate (35) both ends are separately connected the end of the shaft member (34)
Portion and the position-limited rack, to prevent the shaft member (34) from rotating relative to the position-limited rack.
8. the pivoting support limiting device according to claim 7 based on gear and rack teeth mechanism, which is characterized in that the axis
Fixinig plate (35) is equipped with the special-shaped location hole (351) passed through for the end of the shaft member (34), and the shaft member (34) is equipped with
The second limited step (342) for preventing the axis fixinig plate (35) from continuing through.
9. a kind of gas cooker characterized by comprising
Support component, one end are used to support hearth (4), and the other end connects transmission mechanism (2)；
Transmission mechanism (2), including motor (21), be controlled by the motor (21) gear (22) and with the gear (22)
The rack gear (23) of engagement, described rack gear (23) one end connect the support component, by the rack gear (23) by the gear
(22) be converted to the support component along the elevating movement between working position and inoperative position；
Limiting device described in claim 1~8 any one (3), to support the rack gear (23) far from the support group
One end of part, the rack gear (23) are folded between the gear (22) and the limiting device (3).
10. the pivoting support limiting device according to claim 9 based on gear and rack teeth mechanism, which is characterized in that described
Support component is scissors-type lifting (1), and one end of the rack gear (23) is connected to the scissors-type lifting (1) and is located at bottom
Movable end on, the top of the scissors-type lifting (1) is to support the hearth (4).
11. the pivoting support limiting device according to claim 10 based on gear and rack teeth mechanism, which is characterized in that described
It is provided on the movable end of scissors-type lifting (1) connecting rod (11), the rack gear (23) acts on the connecting rod
(11) to drive the scissors-type lifting (1) that lifting action occurs on.
12. gas cooker according to claim 11, which is characterized in that be provided with rack gear block on the connecting rod (11)
(12), the rack gear (23) is mounted on the rack gear block (12), and the rack gear block (12) includes and the connecting rod
(11) interconnecting piece (121) being connected and the blocking portion (122) being arranged on the interconnecting piece (121), the scissor lift
When mechanism (1) is moved towards working position, the blocking portion (122) is acted against on the rack gear (23).
13. gas cooker according to claim 12, which is characterized in that position-limited wheel (13) are provided on the movable end,
Position-limited wheel (13) bottom is equipped with the limit sliding rail (14) for being parallel to the motion path.
14. a kind of method of gas cooker lifting described in control claim 8~13 any one, which is characterized in that including
Following steps:
Judge whether gas cooker is switched on；
After gas cooker booting, control transmission mechanism (2) starting controls the support component and drives the hearth (4)
Vertical motion occurs；
When the support component rises to the first predetermined position, the transmission mechanism (2) stop motion is controlled.
15. the method for gas cooker lifting according to claim 13, which is characterized in that described " when the support group
When part rises to the first predetermined position, the transmission mechanism (2) stop motion is controlled " after, further include following steps:
Judge whether gas cooker shuts down；
After gas cooker shutdown, control transmission mechanism (2) starting controls the support component and drives the hearth (4)
Lowering action occurs；
When the support component drops to the second predetermined position, the transmission mechanism (2) stop motion is controlled.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910582683.9A CN110259901A (en) | 2019-06-27 | 2019-06-27 | Slewing bearing limiting device based on gear rack mechanism and application thereof |
| PCT/CN2019/128421 WO2020258794A1 (en) | 2019-06-27 | 2019-12-25 | Gear and rack mechanism-based rotation bearing limiting device, gas cooker and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910582683.9A CN110259901A (en) | 2019-06-27 | 2019-06-27 | Slewing bearing limiting device based on gear rack mechanism and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110259901A true CN110259901A (en) | 2019-09-20 |
Family
ID=67923409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910582683.9A Withdrawn CN110259901A (en) | 2019-06-27 | 2019-06-27 | Slewing bearing limiting device based on gear rack mechanism and application thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110259901A (en) |
| WO (1) | WO2020258794A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020258794A1 (en) * | 2019-06-27 | 2020-12-30 | 珠海格力电器股份有限公司 | Gear and rack mechanism-based rotation bearing limiting device, gas cooker and method |
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| JP5587705B2 (en) * | 2010-09-03 | 2014-09-10 | リンナイ株式会社 | Gas stove |
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| CN110259901A (en) * | 2019-06-27 | 2019-09-20 | 珠海格力电器股份有限公司 | Slewing bearing limiting device based on gear rack mechanism and application thereof |
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2019
- 2019-06-27 CN CN201910582683.9A patent/CN110259901A/en not_active Withdrawn
- 2019-12-25 WO PCT/CN2019/128421 patent/WO2020258794A1/en active Application Filing
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| JP2008049756A (en) * | 2006-08-23 | 2008-03-06 | Nsk Ltd | Rack/pinion type steering device |
| CN201662114U (en) * | 2010-03-05 | 2010-12-01 | 龚雄华 | Suppressible cook all-in-one machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020258794A1 (en) * | 2019-06-27 | 2020-12-30 | 珠海格力电器股份有限公司 | Gear and rack mechanism-based rotation bearing limiting device, gas cooker and method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020258794A1 (en) | 2020-12-30 |
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