CN201378534Y

CN201378534Y - Switch mechanism of branch crushing machine

Info

Publication number: CN201378534Y
Application number: CN200920156320U
Authority: CN
Inventors: 桑树华; 刘金波; 柳晓宇
Original assignee: Suzhou Cleva Electric Appliance Co Ltd
Current assignee: Suzhou Cleva Electric Appliance Co Ltd
Priority date: 2009-03-05
Filing date: 2009-03-05
Publication date: 2010-01-06
Anticipated expiration: 2019-03-05

Abstract

The utility model discloses a switch mechanism of a branch crushing machine, comprising a switch box component and a knob. The switch box component comprises an electromagnetic switch, a rocker switch and a triggering component. The electromagnetic switch is provided with a first button and a second button, and the rocker switch is provided with a third button. The triggering component comprises a connecting member and a push block. When the knob is in a stop gear, the connecting member triggers the second button and releases the first button and the third button; when the knob is in a positive rotation gear, the connecting member drives the push block to trigger the first button and releases the second button; and when the knob is in a negative rotation gear, the connecting member triggers the third button and releases the second button, and the third button pushes the push block to trigger the first button, therefore, the prior connecting member and transitional member are simplified into one push block through a triggering structure of the electromagnetic switch and the rocker switch, so that the electromagnetic switch can be triggered through a rocker on the rocker switch when a main triggering member triggers the rocker switch, thereby simplifying the structure and reducing the cost.

Description

The switching mechanism of chipper

Affiliated technical field

The utility model relates to a kind of switching mechanism of chipper.

Background technology

Chipper comprises motor, transmission mechanism, cutter hub, charging aperture and switching mechanism.When machine works, the user puts into charging aperture with branch, by cutterhead with its broken cutting, in some cases, because branch is more sturdy, the phenomenon of stall just might take place in motor, just needs this moment console switch mechanism to make the motor counter-rotating, thereby branch is withdrawed from charging aperture, so that proceed broken cutting.In the chipper of selling on existing market, mostly be greatly and adopt induction machine, if therefore the moment counter-rotating can't cause damage to motor, but the cost of induction machine is higher, and institute takes up space bigger; And for the chipper that adopts series excited machine; because the characteristic of motor; might cause motor to damage as motor from just changeing state moment counter-rotating; generally be to protect motor in the existing chipper by increasing circuit board; can effectively realize the rotating of motor again; but so just increased cost, reduced the market competitiveness.Meanwhile, at the existing switching mechanism that is used on the chipper, it generally includes electromagnetic switch and rocker switch, and connect with circuit between the motor and trigger and discharge the different operating state that buttons different on it is controlled motor by electromagnetic switch and rocker switch, yet, it triggers the structure more complicated, comprises the part that triggers part and a plurality of middle connection and transition, has increased cost virtually.

Summary of the invention

In order to overcome the deficiency of existing switching mechanism, the utility model provides a kind of switching mechanism of novel chipper, and it can effectively realize triggering function, and simple in structure.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of switching mechanism of chipper, and it comprises switch enclosure assembly and knob, described knob is provided with respect to described switch enclosure assembly just changes retaining, lock catch and three gears of anti-converting.Described switch enclosure assembly comprises electromagnetic switch, rocker switch and triggering assembly, and described electromagnetic switch has first button and second button, and described rocker switch has the 3rd button.Described triggering assembly comprises connector and pushing block, and when described knob was in lock catch, described connector triggered described second button, and discharges described first button and the 3rd button; When described knob was in described just changeing grade, described connector drives described pushing block made described pushing block trigger described first button, and discharges described second button; When described knob was in anti-converting, described connector triggered described the 3rd button, and discharged described second button, and described the 3rd button promotes described pushing block makes described pushing block trigger described first button.

The beneficial effects of the utility model are by in the triggering structure of electromagnetic switch and rocker switch existing connector and transition piece being reduced to a pushing block, make the winner trigger part when triggering rocker switch, can trigger electromagnetic switch by the seesaw on the rocker switch, simplify the structure, reduced cost.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the schematic perspective view of chipper in the present embodiment.

Fig. 2 is the decomposing schematic representation of the switching mechanism of chipper among Fig. 1.

Fig. 3 is the schematic diagram of switching mechanism among Fig. 2.

Fig. 4 is the explosive view of switching mechanism among Fig. 3.

Fig. 5 is the decomposing schematic representation of the knob of switching mechanism among Fig. 2.

Fig. 6 is that the knob among Fig. 2 is in lock catch, the vertical view when push button is in primary importance.

Fig. 7 is that the knob among Fig. 2 is in and just changes shelves, the vertical view when push button is in primary importance.

Fig. 8 is that the knob among Fig. 2 is in lock catch, the vertical view when push button is in the second place.

Fig. 9 is that the knob among Fig. 2 is in anti-converting, the vertical view when push button is in the second place.

Figure 10 is the cutaway view of the A-A direction among Fig. 6.

Figure 11 is the cutaway view of the B-B direction of Fig. 8.

Figure 12 is the interior vertical view of switch enclosure assembly among Fig. 6.

Figure 13 is the interior vertical view of switch enclosure assembly among Fig. 7.

Figure 14 is the interior vertical view of switch enclosure assembly among Fig. 9.

1. switching mechanisms, 2. knobs, 3. panels, 31. through holes, 4. locating parts, 5. switch enclosure assemblies, 6. switch enclosure loam cakes, 7. power supply connecting portions, 8. knob main bodys, 81. dividing plates, 82. chutes, 83. first stopper slots, 84. connecting holes, 85. push button connecting holes, 86. second stopper slots, 9. push buttons, 91. buckles, 92. locating dowels, 10. slide blocks, 101. block button holes, 102. locating holes, 11. connectors, 111. cam bits, 112. feelers, 12. pushing blocks, 121. accepting grooves, 122. ejection parts, 123. guide pads, 124. arc feelers, 13. rocker switch 131. the 3rd button, 132. trigger ends, 133. Self-resetting ends, 14. electromagnetic switch, 141. first buttons, 142. second buttons, 15. switch enclosure lower covers, 151. gathering sills 16. trigger assembly for 22. limited 23. apart from turning shelves 17. anti-convertings 18. lock catch 19. primary importances 20. second places 21. overcurrent protectors among the figure

Embodiment

Referring to figs. 1 to Fig. 5, shown in the figure be the pairing embodiment of the utility model chipper with and switching mechanism.The switching mechanism 1 that it mainly includes drive motors, cutterhead and controls above-mentioned drive motors.Switching mechanism 1 comprises knob 2, switch enclosure assembly 5 and is arranged on locating part 4 on the panel 3 that this locating part 4 is for projecting upwards the convex of extension from described panel 3.Knob 2 and switch enclosure assembly 5 lay respectively at panel 3 about, and the inside that locating part 4 can be contained knob 2.The connector 11 that is arranged on switch enclosure inside stretches out the through hole 31 that is positioned on the panel 3 and cooperates with connecting hole 84 on being arranged on knob 2, thereby knob 2 is connected with switch enclosure assembly 5, so the rotation of the rotation of this knob 2 and connector 11 is synchronous; The rotation of switching mechanism 1 by knob 2 trigger with release-push case assembly 5 in electromagnetic switch 14 and the different buttons of rocker switch 13 reaching the control motor circuit, thereby realize the rotating of motor.

With reference to figure 4 to Fig. 5, wherein knob 2 by knob main body 8, form for limited 22, described limited 22 comprises push button 9 and slide block 10.Knob main body 8 inside are provided with chute 82, and limited 22 can be slipped into this chute 82 fully, are provided with dividing plate 81 in the middle of the described chute 82, and push button 9 and slide block 10 lay respectively at the both sides of dividing plate 81.Dividing plate 81 is provided with push button connecting hole 85, and it can accommodate above-mentioned push button 9, and push button 9 can slide in this push button groove; Have a pair of block button hole 101 and a location hole 102 on the above-mentioned slide block 10.A pair of buckle 91 on the push button 9 passes above-mentioned push button connecting hole 85 and block button hole 102 buckle mutually, at this location hole 102 that reference column between buckle 91 92 inserts on the slide blocks 10 has been arrived location and purpose of connecting simultaneously.

In conjunction with foregoing and with reference to figure 6 to Figure 11, be depicted as each control position schematic diagram of the switching mechanism 1 of embodiment of the present utility model.Relative rotation between above-mentioned knob 2 and the panel is formed with three different control positions, and being respectively just changes shelves 16, anti-converting 17 and lock catch 18.Limited 22 on knob main body 8 slide relative also formed two relative positions, i.e. the primary importance 19 and the second place 20.The two ends of above-mentioned knob main body 8 also are provided with first stopper slot 83 and second stopper slot 86, and it is mainly used in accommodates above-mentioned locating part 4.

Further with reference to Figure 10 and Figure 11, when push button 9 slides, because the cooperation of reference column 92 and location hole 102 makes slide block 10 also slide with respect to knob main body 8 together.When push button 9 slid into above-mentioned primary importance, because the slip of slide block 10, it sealed first stopper slot 83 on the knob main body 8, thereby makes this first stopper slot 83 can not accommodate above-mentioned locating part 4; Second stopper slot 86 that is positioned at these first stopper slot, 83 rears simultaneously is not closed, and it can accommodate this locating part 4; Therefore this knob main body 8 can only be towards the direction knob that can accommodate locating part 4, and promptly rotating to is just changeing shelves 16, as shown in Figure 7.Accordingly, as shown in figure 11, when push button 9 when the second place 20 is slided, what slide block 10 was also corresponding slides to second stopper slot 86, these second stopper slot, 86 sealings the most at last, meanwhile, above-mentioned first stopper slot 83 will be opened wide to accommodate locating part 4.Knob main body 8 also can only promptly rotate to anti-converting 17 towards the direction rotation that can accommodate locating part 4 at this moment.

Just change shelves 16 the time when knob main body 8 to just changeing shelves 16 rotations or being in, because second stopper slot 86 is being accommodated above-mentioned locating part 4, therefore limited 22 can not be slided to these second stopper slot, 86 places (being the second place).When knob main body 8 to anti-converting 17 rotation or when being in anti-converting 17, first stopper slot 83 is being accommodated locating part 4, so limited 22 can not be slided to first stopper slot, 83 places (being primary importance 19).Therefore have only when knob main body 8 is in lock catch 18, above-mentioned limited 22 could be free to slide between the primary importance 19 and the second place 20.

Referring to figs 12 to 14, when shown in the figure being the different control position of described switching mechanism 1, the schematic diagram that electromagnetic switch 14 in the switch enclosure assembly 5 and rocker switch 13 are triggered and discharge.Above-mentioned switch enclosure assembly 5 mainly includes switch enclosure loam cake 6, switch enclosure lower cover 15, electromagnetic switch 14, rocker switch 13, triggers assembly 23 and overcurrent protector 21; electromagnetic switch 14 is provided with first button 141 and second button 142; rocker switch 13 is provided with the 3rd button 131; the 3rd button 131 is a seesaw that resets certainly, and the one end is that the trigger end 132 and the other end are from reset terminal 133.Trigger assembly 23 and comprise connector 11, pushing block 12.Above-mentioned connector 11 is provided with cam bit 111 and feeler 112, and cam bit 111 can trigger or discharge second button 142 of electromagnetic switch 14, and feeler 112 can contact with the 3rd button 131 and the pushing block 12 of rocker switch 13.Pushing block 12 is installed between electromagnetic switch 14 and the rocker switch 13, and its upper and lower surface all is provided with guide pad 123, and it cooperatively interacts with the gathering sill 151 that is arranged on the switch enclosure, thereby can slide mutually between electromagnetic switch 14 and rocker switch 13.Also be provided with accepting groove 121, ejection part 122 and arc feeler 124 on the pushing block 12, this accepting groove 121 can be accommodated the feeler 112 of above-mentioned connector 11, and feeler 112 is along with the rotation of connector 11 can be slided in above-mentioned accepting groove 121; Ejection part 122 can be in contact with one another with first button 141 of electromagnetic switch 14, arc feeler 124 can with being in contact with one another of the 3rd button 131 from reset terminal 133.When knob main body 8 was positioned at lock catch, corresponding to Figure 12, cam bit 111 triggered second button 142 of electromagnetic switch 14 at this moment, and discharges the 3rd button, and first button of electromagnetic switch also is in d/d state simultaneously.When the knob main body to just changeing 16 whens rotation of shelves, above-mentioned feeler 112 is positioned at accepting groove 121 and to ejection part 122 rotations, and drives ejection piece 12 first buttons and slide, finally by ejection part 122 with 141 triggerings of first button; In connector 11 rotations, its upper cam block 111 discharges second button 142 simultaneously, and knob 2 was in and just changeed shelves 16 this moment.When knob 2 when just changeing shelves 16 to anti-converting 17 rotation, at first rotate to lock catch 18 by just changeing shelves 16, this moment, connector 11 and pushing block 12 were in state as shown in figure 12; But when knob 2 needs to continue to anti-converting 17 rotations because first stopper slot 83 on the knob main body 8 is in the state that is sealed by slide block 10, therefore can not accommodate be provided with panel 3 on locating part 4; So need earlier push button 9 to be slid into the second place 20, first stopper slot 83 of accommodating locating part 4 discharged and knob 2 could be rotated to anti-converting 17.Corresponding to aforesaid operations, rotation along with knob 2, the connector 11 that is positioned at switch enclosure also rotates to anti-converting 17, and the trigger end 132 of feeler 112 and the 3rd button 131 contacts and the 3rd button 131 is triggered at this moment, and cam bit 111 discharges second button 142 of electromagnetic switch 14 simultaneously.Because the triggering of rocker switch 13 disconnected 132 is triggered, so its arc feeler 124 from reset terminal 133 and pushing block 12 is in contact with one another and this pushing block 12 is pushed up to electromagnetic switch 14 14 first button, 141 triggerings on the electromagnetic switch the most at last.

According to said structure, because above-mentioned knob 2 need make push button 9 slide between the primary importance 19 and the second place 20 in the position of lock catch 18 just changeing between shelves 16 and the anti-converting 17 when rotating.Therefore the time of certain buffering is provided for the rotating of motor, has protected motor thus.

Claims

1. the switching mechanism of a chipper (1), it mainly comprises switch enclosure assembly (5) and knob (2), described knob (2) is provided with respect to described switch enclosure assembly (5) just changes retaining (16), (17) three gears of lock catch (18) and anti-converting, described switch enclosure assembly (5) comprises electromagnetic switch (14), rocker switch (13) and triggering assembly (23), described electromagnetic switch (14) has first button (141) and second button (142), described rocker switch (13) has the 3rd button (131), it is characterized in that: described triggering assembly (23) comprises connector (11) and pushing block (12), when described knob (2) is in lock catch (17), described connector (11) triggers described second button (142), and discharges described first button (141) and the 3rd button (131); Described knob (2) is in the described shelves that just changeing when (17), and described connector (11) drives described pushing block (12) makes described pushing block trigger described first button (141), and discharges described second button (142); When described knob (2) is in anti-converting (17), described connector (11) triggers described the 3rd button (131), and discharging described second button (142), described the 3rd button (131) promotes described pushing block (12) makes described pushing block trigger described first button (141).

2. the switching mechanism of chipper according to claim 1 (1), it is characterized in that: described pushing block (12) both sides are respectively equipped with ejection part (123) and arc feeler (124), described ejection part (123) can trigger described first button (141), and described arc feeler (124) can contact with described the 3rd button (131).

3. the switching mechanism of chipper according to claim 1 (1) is characterized in that: described knob (2) is arranged at described switch enclosure assembly (5) top, and interconnects with described connector (11).

4. the switching mechanism of chipper according to claim 1 (1), it is characterized in that: described connector (11) is provided with cam bit (111) and feeler (112), described cam bit (111) can trigger described second button (142), and described feeler (112) can trigger described the 3rd button (131).