CN105960950A - Lawn mower - Google Patents
Lawn mower Download PDFInfo
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- CN105960950A CN105960950A CN201511000209.9A CN201511000209A CN105960950A CN 105960950 A CN105960950 A CN 105960950A CN 201511000209 A CN201511000209 A CN 201511000209A CN 105960950 A CN105960950 A CN 105960950A
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- Prior art keywords
- control member
- motor
- driving means
- clutch
- controlling organization
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
- A01D69/06—Gearings
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
The invention discloses a lawn mower. A push rod control assembly comprises a self-propelled pull rod, a self-propelled stay rope, a self-propelled power line and a second operation component, wherein one end of the self-propelled stay rope is connected to the self-propelled pull rod and the other end is connected to the second operation component; one end of the self-propelled power line is connected to the second operation component, and the other end is connected to a control unit. A self-propelled drive system comprises a drive motor, a clutch box, a coupler and a clutch fixation base, wherein a motor shaft of the drive motor is connected to an input shaft of the clutch box by the coupler; the drive motor and the clutch box are fixed on the clutch fixation base; an output shaft of the clutch is connected to a transmission assembly; the transmission assembly is connected to a walking wheel; and the drive motor is electrically connected to the control unit. In this way, the lawn mower disclosed by the invention adopts a direct transmission manner, so that an intermediate speed-reducing gear set is omitted, transmission efficiency is increased, and working noise is reduced. The lawn mower has the advantages that the structure is compact and rational; manufacture cost is low; operations are simple, convenient and safe; and an operator can operate walking of the machine easily and conveniently.
Description
Technical field
The present invention relates to garden instrument field, particularly relate to the garden instrument hay movers such as a kind of hay mover.
Background technology
Existing from walking system, drive motor and drive between centers, comprising multi-stage speed-reducing system, owing to multi-stage speed-reducing system mostly is several gear composition, when running, being affected with machining accuracy by assembly precision, causing set noise relatively big, transmission efficiency is low.And it is inconsistent to realize two-wheel drive speed, when turning round, need manually to move machine.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of quantity that can reduce reduction gearing, can alleviate the labor intensity of operator, improves the hay mover of transmission efficiency.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is:
Thering is provided a kind of driving means, above-mentioned driving means is driven by motor or internal combustion engine, has controlling organization and drive mechanism, has main body and action bars；
Drive mechanism includes:
The roller of supportive body；
Drive the motor of at least one roller；
The transmission clutch mechanism being arranged between motor and roller；
The power of motor output, after clutch distributes, passes to roller through reducing gear, and roller can rotate at different rates.
In a preferred embodiment of the present invention, described controlling organization includes: the first control member, it is arranged in the top of aforesaid operations bar, hinge freely can be swung and be supported on aforesaid operations bar both sides, and it is arranged on the front or behind of the grip part of aforesaid operations bar, freely can approach and leave grip part；
With the second control member, it is arranged in the position that action bars side is top；Control member is connected with control unit.
In a preferred embodiment of the present invention, when the first control member, during close to grip part, drive mechanism starts；When the first control member, when leaving grip part, drive mechanism stops；After drive mechanism starts, the second control member, there are at least 2 states, the corresponding different actuating speed of different conditions.
In a preferred embodiment of the present invention, the corresponding speed of the second described control member is gradually raised and lowered.
In a preferred embodiment of the present invention, described transmission clutch mechanism comprises clutch case, shaft coupling and clutch and fixes seat.
In a preferred embodiment of the present invention, the output shaft of described motor is connected by shaft coupling with the power shaft of clutch case.Described motor and clutch case are each attached to clutch and fix on seat, and the output shaft of clutch connects has transmission component, described transmission component to be connected with roller；Motor is electrically connected with control unit.
In a preferred embodiment of the present invention, it is characterised in that drive between motor and clutch case that seat is fixing to be connected by connecting, then driving motor and clutch case are fixed on clutch fix on seat by connecting seat.
In a preferred embodiment of the present invention, it is characterised in that transmission component includes the little gear being contained in clutch case output shaft end and be connected gear wheel fixing with roller, and little gear is connected with gear wheel engagement.
In a preferred embodiment of the present invention, gear wheel is inside engaged gear or external gear pump.
In a preferred embodiment of the present invention, the first control member connects to be had from walking drag-line, certainly walks the drag-line other end and the second control member is connected；Second control member is connected with control unit, and gives control unit control signal by the action of second operation machine structure.
In a preferred embodiment of the present invention, described second control member includes switch actuating slide block, switch, governor gear, speed governing knob and angular transducer, slide block is touched from walking drag-line connecting valve, switch actuating slide block is conflicted with switch and is connected, from walking power line connection angle sensor and switch, connecting on angular transducer and have swing pinion, swing pinion is connected with governor gear engagement, and governor gear is fixing with speed governing knob to be connected.
In a preferred embodiment of the present invention, angular transducer is potentiometer.
In a preferred embodiment of the present invention, the swing pinion mode of flat groove is connected with potentiometer, and swing pinion rotational band electrokinetic potential device rotates.
In a preferred embodiment of the present invention, described control unit is PCB panel.
Another technical solution used in the present invention is: the hay mover of the above-mentioned driving means of a kind of adaptation, including:
Mowing main frame；
Control assembly；
Power Component；
Work package；
Work package is driven to run by Power Component；
For the action bars carried out, including being connected left push rod and right push rod with mowing main frame；
For the roller of walking, including the front wheels and rear wheels being located at below mowing main frame；
Described driving means is assemblied in front-wheel or the trailing wheel of hay mover.
In a preferred embodiment of the present invention, the driving motor of described hay mover has two, and one is the driving motor one of driving means, and another is the driving motor two driving work package.
In a preferred embodiment of the present invention, described control assembly, comprise the controlling organization controlling driving means and the controlling organization two controlling work package.
In a preferred embodiment of the present invention, described controlling organization two, it is arranged in the top of aforesaid operations bar to comprise the 3rd control member, hinge freely can be swung and be supported on aforesaid operations bar both sides, and it is arranged on the front or behind of the grip part of aforesaid operations bar, freely can approach and leave grip part；
With the 4th control member, it is arranged in the position that action bars opposite side is top；Control member is connected with driving motor two.
In a preferred embodiment of the present invention, when the 3rd control member, during close to grip part, motor two is driven to be in holding state；When the 3rd control member, when leaving grip part, motor two is driven to stop；After driving motor two to be in holding state, the 4th control member, press, drive motor two to start；4th control member is upspring, and drives motor to be in holding state.
Another technical solution used in the present invention is: a kind of hay mover, including:
Mowing main frame；
Controlling assembly, comprise the controlling organization one controlling driving means and the controlling organization two controlling work package, controlling organization comprises the first control member and the second control member, and controlling organization two comprises the 3rd control member and the 4th control member；
Power Component；
Work package；
It is characterized in that, the first control member, when being in opening, the second control member can regulate the different operating state of Power Component；When 3rd control member is in opening, the 4th control member, unlatching and the Guan Bi of work package could be controlled.
In a preferred embodiment of the present invention, it is characterised in that described controlling organization one is that relevant independence does not associate to controlling organization two.
In a preferred embodiment of the present invention, it is characterised in that when controlling organization two is in running order, controlling organization one could start.
The invention has the beneficial effects as follows: hay mover of the present invention uses integral drive mode, decrease intermediate reduction gear gear train, improve transmission efficiency, reduce operating noise, compact conformation is reasonable, cost of manufacture is low, it is simple and convenient to handle, it is possible to realizes operator and operates machine walking simply and easily.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of hay mover one of the present invention preferred embodiment；
Fig. 2 is the structural representation of the middle control assembly of hay mover shown in Fig. 1；
Fig. 3 is the structural blast figure of the middle control assembly of hay mover shown in Fig. 2；
Fig. 4 is the structural representation of the middle drive system of hay mover shown in Fig. 1；
Fig. 5 is the structural blast figure of the middle drive system of hay mover shown in Fig. 4；
Fig. 6 is the electrical schematic diagram of the present invention.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
The embodiment of the present invention 1:
A kind of driving means, above-mentioned driving means is driven by motor or internal combustion engine, has controlling organization and drive mechanism, have main body and action bars；
Drive mechanism includes:
The roller of supportive body；
Drive the motor of at least one roller；
The transmission clutch mechanism being arranged between motor and roller；
The power of motor output, after clutch distributes, passes to roller through reducing gear, and roller can rotate at different rates.As shown in Figure 1.
Having controlling organization 100 on action bars, driving wheel is controlled by drive mechanism 200, and controlling organization 100 and drive mechanism 200 are all electrically connected with control unit；
Wherein, described control unit is preferably PCB panel.
As shown in Figures 2 and 3, controlling organization 100 includes controlling organization one and controlling organization two, controlling organization one comprises the first control member 104, certainly walks drag-line 105, certainly walks power line 106 and the second control member 103, being connected with the first control member 104 from walking drag-line 105 one end, the other end and the second control member 103 are connected；Being connected with the second control member 103 from walking power line 106 one end, the other end is connected with control unit.
Including switch actuating slide block 109, switch 110, governor gear 111 and angular transducer 114 between upper box 108 and the lower box 113 of described second control member 103, speed governing knob 112 is assemblied in outside the second control member 103.Slide block 109 is touched from walking drag-line 105 connecting valve, switch actuating slide block 109 is connected with switch 110 conflict, from walking power line 106 connection angle sensor 114 and switch 110, angular transducer 114 connects swing pinion, and swing pinion is connected with governor gear 111 engagement.Governor gear 111 and speed governing knob 112 are tightened to an entirety by screw, and speed governing knob 112 controls the rotation of governor gear 111.
Potentiometer elected as by angular transducer 114.The swing pinion mode of flat groove is connected with potentiometer, and swing pinion 111 rotational band electrokinetic potential device rotates.
Drive system, as shown in Figure 4 and Figure 5, seat 219 is fixed including driving motor 215, clutch case 218, shaft coupling 217 and clutch, the motor shaft of motor 215 is driven to be connected by shaft coupling 217 with the power shaft of clutch case 218, drive between motor 215 and clutch case 218 that seat 216 is fixing to be connected by connecting, then driving motor 215 and clutch case 218 are fixed on clutch fix on seat 219 by connecting seat 216.
The output shaft of clutch case 218 connects has transmission component, described transmission component to be connected with road wheel 222；Motor 215 is driven to be electrically connected with control unit.
One group of drive structure of gear worm it is provided with in described clutch case 218.Transmission component includes the little gear 220 being contained in clutch case output shaft end and be connected gear wheel 221 fixing with road wheel 222, and little gear 220 is connected with gear wheel 221 engagement.Gear wheel 221 is inside engaged gear or external gear pump.
The operation principle of the present invention is: when the first control member 104 pulls up, drive from walking drag-line 105, switch actuating slide block 109 does straight-line displacement, the startup contact of the lower surface touch switch 110 of slide block 109, when switching after 110 contacts are triggered, control through PCB panel, will start from walking motor, when speed governing knob, by swing pinion connection between governor gear and transmission, potentiometer speed governing can be driven, potentiometer is connected with PCB panel by power line, PCB panel is passed to by signal, PCB panel receives instruction, control the rotating speed of motor thus reach the function that can regulate from the speed walked；When unclamping the first control member 104, switch actuating slide block is because recoil press spring self-return, and switch contact does not triggers, and certainly walks motor and shuts down.Achieve the self-driven of garden instrument in this way.Concrete electrical schematic diagram, as shown in Figure 6.
The embodiment of the present invention 2:
A kind of hay mover, including
Mowing main frame, including Power Component and mowing assembly, is driven mowing assembly operating by Power Component；
For the action bars carried out, including being connected left push rod and right push rod with mowing main frame；
For the road wheel of walking, including the front wheels and rear wheels being located at below mowing main frame, as shown in Figure 1.
Having controlling organization 100 on action bars, driving wheel is controlled by drive mechanism 200, and controlling organization 100 and drive mechanism 200 are all electrically connected with control unit；
Wherein, described control unit is preferably PCB panel.
As shown in Figures 2 and 3, controlling organization 100 includes controlling organization one and controlling organization two, controlling organization one comprises the first control member 104, certainly walks drag-line 105, certainly walks power line 106 and the second control member 103, being connected with the first control member 104 from walking drag-line 105 one end, the other end and the second control member 103 are connected；Being connected with the second control member 103 from walking power line 106 one end, the other end is connected with control unit.
Including switch actuating slide block 109, switch 110, governor gear 111 and angular transducer 114 between upper box 108 and the lower box 113 of described second control member 103, speed governing knob 112 is assemblied in outside the second control member 103.Slide block 109 is touched from walking drag-line 105 connecting valve, switch actuating slide block 109 is connected with switch 110 conflict, from walking power line 106 connection angle sensor 114 and switch 110, angular transducer 114 connects swing pinion, and swing pinion is connected with governor gear 111 engagement.Governor gear 111 and speed governing knob 112 are tightened to an entirety by screw, and speed governing knob 112 controls the rotation of governor gear 111.
Potentiometer elected as by angular transducer 114.The swing pinion mode of flat groove is connected with potentiometer, and swing pinion 111 rotational band electrokinetic potential device rotates.
From walking drive system, as shown in Figure 4 and Figure 5, seat 219 is fixed including driving motor 215, clutch case 218, shaft coupling 217 and clutch, the motor shaft of motor 215 is driven to be connected by shaft coupling 217 with the power shaft of clutch case 218, drive between motor 215 and clutch case 218 that seat 216 is fixing to be connected by connecting, then driving motor 215 and clutch case 218 are fixed on clutch fix on seat 219 by connecting seat 216.
The output shaft of clutch case 218 connects has transmission component, described transmission component to be connected with road wheel 222；Motor 215 is driven to be electrically connected with control unit.
One group of drive structure of gear worm it is provided with in described clutch case 218.Transmission component includes the little gear 220 being contained in clutch case output shaft end and be connected gear wheel 221 fixing with road wheel 222, and little gear 220 is connected with gear wheel 221 engagement.Gear wheel 221 is inside engaged gear or external gear pump.
Controlling organization two comprises the 3rd control member the 101, the 4th control member 102, drag-line and power line.Drag-line and the 3rd control member 101 connect, and the other end and the 4th control member 102 connect, and power line and the 4th control member 102 connect, and the other end is connected with work package motor.
The operation principle of the present invention is: when the first control member 104 pulls up, drive from walking drag-line 105, switch actuating slide block 109 does straight-line displacement, the startup contact of the lower surface touch switch 110 of slide block 109, when switching after 110 contacts are triggered, control through PCB panel, will start from walking motor, when speed governing knob, by swing pinion connection between governor gear and transmission, potentiometer speed governing can be driven, potentiometer is connected with PCB panel by power line, PCB panel is passed to by signal, PCB panel receives instruction, control the rotating speed of motor thus reach the function that can regulate from the speed walked；When unclamping the first control member 104, switch actuating slide block is because recoil press spring self-return, and switch contact does not triggers, and certainly walks motor and shuts down.Achieve the self-driven of garden instrument in this way.
When the 3rd control member 101 pulls up, drag-line, switch actuating slide block is driven to do straight-line displacement, the startup contact of the lower surface touch switch of slide block, after switch contact is triggered, work package motor will be in holding state, after the 4th control member 102 starts, and work package motor starting, when the 4th work package ejects, work motor is in holding state；When unclamping three control members 101, switch actuating slide block is because recoil press spring self-return, and switch contact does not triggers, and work package motor shuts down.
Concrete electrical schematic diagram, as shown in Figure 6.
Push rod controls assembly and is located at the arranged on left and right sides action bars 107 for carrying out, and the rear drive sprocket 222 of arranged on left and right sides walks drive system control certainly by same.Turning to of hay mover is dependent on what clutch case realized, when operator thinks to turn to the left, applies a power to the right, and in clutch case, the output shaft on the left side does not contacts with gear-box, and revolver stops, and right wheel walks on, it is achieved that turn to.
Hay mover of the present invention uses integral drive mode, decreases intermediate reduction gear gear train, improves transmission efficiency, reduces operating noise, and compact conformation is reasonable, cost of manufacture is low, it is simple and convenient to handle, it is possible to realizes operator and operates machine walking simply and easily.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical field, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (22)
1. a driving means, above-mentioned driving means is driven by motor or internal combustion engine, has controlling organization and drive mechanism, have main body and action bars；
Drive mechanism includes:
The roller of supportive body；
Drive the motor of at least one roller；
The transmission clutch mechanism being arranged between motor and roller；
It is characterized in that, the power of motor output, after clutch distributes, passes to roller through reducing gear, and roller can rotate at different rates.
Driving means the most according to claim 1, it is characterised in that described controlling organization includes:
First control member, it is arranged in the top of aforesaid operations bar, can swing hinge freely and be supported on aforesaid operations bar both sides, and be arranged on the front or behind of the grip part of aforesaid operations bar, freely can approach and leave grip part；
With the second control member, it is arranged in the position that action bars side is top；Control member is connected with control unit.
Control member the most according to claim 2, it is characterised in that when the first control member, during close to grip part, drive mechanism starts；When the first control member, when leaving grip part, drive mechanism stops；After drive mechanism starts, the second control member, there are at least 2 states, the corresponding different actuating speed of different conditions.
Driving means the most according to claim 3, it is characterised in that the corresponding speed of the second described control member is gradually raised and lowered.
Driving means the most according to claim 1, it is characterised in that described transmission clutch mechanism comprises clutch case, shaft coupling and clutch and fixes seat.
Driving means the most according to claim 5, it is characterised in that the output shaft of described motor is connected by shaft coupling with the power shaft of clutch case；Described motor and clutch case are each attached to clutch and fix on seat, and the output shaft of clutch connects has transmission component, described transmission component to be connected with roller；Motor is electrically connected with control unit.
Driving means the most according to claim 6, it is characterised in that drive between motor and clutch case that seat is fixing to be connected by connecting, then driving motor and clutch case are fixed on clutch fix on seat by connecting seat.
Driving means the most according to claim 6, it is characterised in that transmission component includes the little gear being contained in clutch case output shaft end and be connected gear wheel fixing with roller, and little gear is connected with gear wheel engagement.
Driving means the most according to claim 8, it is characterised in that gear wheel is inside engaged gear or external gear pump.
Driving means the most according to claim 3, it is characterised in that the first control member connects to be had from walking drag-line, certainly walks the drag-line other end and the second control member is connected；Second control member is connected with control unit, and gives control unit control signal by the action of second operation machine structure.
11. driving means according to claim 10, it is characterized in that, described second control member includes switch actuating slide block, switch, governor gear, speed governing knob and angular transducer, slide block is touched from walking drag-line connecting valve, switch actuating slide block is conflicted with switch and is connected, and certainly walks power line connection angle sensor and switch, and angular transducer connects swing pinion, swing pinion is connected with governor gear engagement, and governor gear is fixing with speed governing knob to be connected.
12. driving means according to claim 11, it is characterised in that angular transducer is potentiometer.
13. driving means according to claim 11, it is characterised in that the swing pinion mode of flat groove is connected with potentiometer, swing pinion rotational band electrokinetic potential device rotates.
14. according to the driving means described in claim 1-13, it is characterised in that described control unit is PCB panel.
The hay mover of 15. 1 kinds of adaptation driving means as claimed in claim 1, including:
Mowing main frame；
Control assembly；
Power Component；
Work package；
Work package is driven to run by Power Component；
For the action bars carried out, including being connected left push rod and right push rod with mowing main frame；
For the roller of walking, including the front wheels and rear wheels being located at below mowing main frame；
It is characterized in that, described driving means is assemblied in front-wheel or the trailing wheel of hay mover.
16. hay movers according to claim 15, it is characterised in that the driving motor of described hay mover has two, one is the driving motor one of driving means, and another is the driving motor two driving work package.
17. hay movers according to claim 15, it is characterised in that described control assembly, comprise the controlling organization controlling driving means and the controlling organization two controlling work package.
18. hay movers according to claim 17, it is characterized in that, described controlling organization two, it is arranged in the top of aforesaid operations bar to comprise the 3rd control member, hinge freely can be swung and be supported on aforesaid operations bar both sides, and it is arranged on the front or behind of the grip part of aforesaid operations bar, freely can approach and leave grip part；
With the 4th control member, it is arranged in the position that action bars opposite side is top；Control member is connected with driving motor two.
19. hay movers according to claim 18, it is characterised in that when the 3rd control member, during close to grip part, drive motor two to be in holding state；When the 3rd control member, when leaving grip part, motor two is driven to stop；After driving motor two to be in holding state, the 4th control member, press, drive motor two to start；4th control member is upspring, and drives motor to be in holding state.
20. 1 kinds of hay movers, including:
Mowing main frame；
Controlling assembly, comprise the controlling organization one controlling driving means and the controlling organization two controlling work package, controlling organization comprises the first control member and the second control member, and controlling organization two comprises the 3rd control member and the 4th control member；
Power Component；
Work package；
It is characterized in that, the first control member, when being in opening, the second control member can regulate the different operating state of Power Component；When 3rd control member is in opening, the 4th control member, unlatching and the Guan Bi of work package could be controlled.
21. hay movers according to claim 20, it is characterised in that described controlling organization one is that relevant independence does not associate to controlling organization two.
22. hay movers according to claim 20, it is characterised in that when controlling organization two is in running order, controlling organization one could start.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511000209.9A CN105960950B (en) | 2015-12-29 | 2015-12-29 | A kind of grass trimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511000209.9A CN105960950B (en) | 2015-12-29 | 2015-12-29 | A kind of grass trimmer |
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| CN105960950A true CN105960950A (en) | 2016-09-28 |
| CN105960950B CN105960950B (en) | 2019-06-18 |
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| CN201511000209.9A Active CN105960950B (en) | 2015-12-29 | 2015-12-29 | A kind of grass trimmer |
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| WO2018113738A1 (en) * | 2016-12-23 | 2018-06-28 | 南京德朔实业有限公司 | Hand-powered self-driven travelling machine |
| CN108697050A (en) * | 2016-12-23 | 2018-10-23 | 南京德朔实业有限公司 | Hand propelled self-powered traveling machine |
| CN109152333A (en) * | 2017-11-08 | 2019-01-04 | 南京德朔实业有限公司 | Hand propelled self-powered traveling machine |
| CN109258066A (en) * | 2017-04-11 | 2019-01-25 | 陶如意 | A kind of scissor grass trimmer for municipal Garden Engineering |
| CN109392466A (en) * | 2018-12-20 | 2019-03-01 | 常州格力博有限公司 | Control box and the garden instrument with the control box |
| CN109392418A (en) * | 2018-10-09 | 2019-03-01 | 常州格力博有限公司 | Tedder |
| CN109983924A (en) * | 2017-12-29 | 2019-07-09 | 苏州宝时得电动工具有限公司 | Hand pushed wheel type vehicle |
| CN110024549A (en) * | 2019-05-15 | 2019-07-19 | 浙江中坚科技股份有限公司 | Self-propelled mower |
| CN110202211A (en) * | 2018-02-28 | 2019-09-06 | 南京德朔实业有限公司 | Cutting tool |
| CN110495302A (en) * | 2018-12-20 | 2019-11-26 | 常州格力博有限公司 | Control box and the garden instrument with the control box |
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