CN101716544B - Safety switching mechanism of shredder - Google Patents
Safety switching mechanism of shredder Download PDFInfo
- Publication number
- CN101716544B CN101716544B CN 200910234732 CN200910234732A CN101716544B CN 101716544 B CN101716544 B CN 101716544B CN 200910234732 CN200910234732 CN 200910234732 CN 200910234732 A CN200910234732 A CN 200910234732A CN 101716544 B CN101716544 B CN 101716544B
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- safety switch
- safety
- switch
- main part
- chipper
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Abstract
The invention relates to a safety switching mechanism of a shredder. The shredder comprises a main body part, a hopper and a knife file, wherein the hopper is detachably installed on the main body part, the knife file is installed in the main body part, and the main body part is provided with an end cover which is detachably installed on the knife file. The safety switching mechanism comprises a first safety switch, a second safety switch, a first triggering component connected on a hopper and a second triggering component connected on an end cover, wherein the first safety switch and the second safety switch are connected with the master switch of the power source of the shredder in series. When the hopper is installed onto the main body part, the first triggering component triggers the first safety switch. When one or both of the hopper and the end cover is/are not installed in position, the first safety switch and/or the second safety switch cannot be triggered, so that the master switch of the power source is always in the off state, thereby ensuring the safety of users. The first safety switch and the second safety switch are arranged in the same switchgear cabinet, thus achieving the effect of structure simplification and convenient assembly.
Description
Affiliated technical field
The present invention relates to a kind of safety switching mechanism of chipper.
Background technology
Chipper is generally used for the branch in the gardens, branch etc. are shredded so that branch, branch after the chopping are collected and cleared up.This chipper generally comprises main part and is positioned at the hopper of main part below.The top of main part is provided with charging aperture, and section is equipped with motor, transmission device and cutting tool within it, and wherein cutting tool is installed in the tool rest, is provided with the end cap that covers on the tool rest at main part, and this end cap is dismountable to be covered on the tool rest.Like this; in use need cutting tool is safeguarded or when changing; thereby end cap can be disassembled from tool rest and expose cutting tool to safeguard easily or to change; this just need to arrange a kind of safety guard, thereby prevents that when end cap disassembles accident from turning on the power switch so that the cutting tool rotation brings personal injury to the operator when exposing cutting tool.Prior art provides a kind of like this safety guard; generally be that a microswitch that is in series with power main switch is set; and be provided with the trigger unit that triggers microswitch at end cap; when end cap is not in place; trigger unit can not trigger microswitch; so that power main switch always is in the state of disconnection, machine can not start, and has guaranteed user's personal safety.In addition, treat that broken branch, branch shred by the inboard that charging aperture enters into main part, the branch that has then shredded, branch drop on the ground by the hopper of main part below.In the prior art, the hopper that has is one-body molded with main part, and the hopper that also has is to separate moulding with main part, then by securing members such as bolts hopper is fixed on the below of main part.Like this; when hopper when main part disassembles or be not in place; just can touch unexpectedly cutting tool from the below of main part; thereby there is certain potential safety hazard; so the chipper for this hopper can be dismantled from main part need to provide a kind of improved safety switching mechanism; it can not only not provide safeguard protection to the user when end cap is in place, and should be able to not provide safeguard protection to the user when hopper is in place yet.
Summary of the invention
The object of the present invention is to provide a kind of chipper with safety switching mechanism simple in structure, easy to assembly.
The technical solution adopted for the present invention to solve the technical problems is: a kind of safety switching mechanism of chipper, described chipper comprises main part, removably be mounted to the hopper on the described main part and be installed in the interior tool rest of described main part, described main part also comprises dismountable end cap that is installed on the described tool rest, it is characterized in that: described safety switching mechanism comprises the first safety switch and the second safety switch that is arranged in the described main part, be connected to first on the described hopper and trigger assembly, and be connected to second on the described end cap and trigger assembly, described first, mutually be connected in series between the power main switch three of the second safety switch and described chipper and have separately and disconnect and the two states of closure, when described hopper was mounted to described main part, described first triggers assembly triggered described the first safety switch so that described the first safety switch is in closure state; When described hopper was not mounted to described main part, described first triggered assembly and described the first safety switch is separated from each other so that described the first safety switch is in the state of disconnection; When described end cap was mounted on the tool rest that is positioned at main part, described second triggers assembly triggered described the second safety switch so that described the second safety switch is in closure state; When described end cap is not mounted on the tool rest that is positioned at main part, described second triggers assembly and described the second safety switch is separated from each other so that described the second safety switch is in the state of disconnection, and described the first safety switch and described the second safety switch are fixedly installed in the same switch enclosure.
The invention has the beneficial effects as follows, the first safety switch by being provided with mutual series connection and the second safety switch, can trigger that first of the first safety switch triggers assembly and be provided with at end cap hopper setting and can trigger second of the second safety switch and trigger assembly, and mutually connect between this first, second safety switch and the power main switch three, so that only in the situation that hopper and end cap all are in place, first, second safety switch could be triggered respectively, so that power main switch just can be in the state of connection; And when whole in hopper and the end cap or any were not in place, the first safety switch and/or the second safety switch can not be triggered, so that power main switch is in the state of disconnection all the time, have guaranteed like this user's personal safety, have stopped potential safety hazard.In addition, the first safety switch and the second safety switch are located in the same switch enclosure, thereby reach the effect of simplified structure and ease of assembly.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the assembling stereogram corresponding to the chipper of most preferred embodiment of the present invention, and safety switching mechanism wherein is broken away.
Fig. 2 is the three-dimensional exploded view of Fig. 1, and wherein the main part of chipper is by biopsy cavity marker devices.
Fig. 3 is the three-dimensional exploded view corresponding to the microswitch box of the chipper of Fig. 2.。
Fig. 4 is the box-packed three-dimensional view that is assigned to main part of the microswitch of Fig. 3.
Fig. 5 is first the partial view of main part when triggering assembly and second and triggering assembly and all do not install of the chipper of Fig. 1.
Fig. 6 only has first to trigger that assembly is in place and the second three-dimensional view when triggering assembly and not being in place.
Fig. 7 only has second to trigger assembly and the first three-dimensional view when triggering assembly and not being in place.
The specific embodiment
Seeing figures.1.and.2, is a kind of chipper corresponding to most preferred embodiment of the present invention, and chipper is generally used for the gardens branch, and branch etc. shred, the hopper 3 that it mainly comprises main part 1 and is removably mounted on the bottom of main part 1.In addition, this chipper also comprises one with the frame (not shown) of roller so that pushing away chipper and move ahead on the ground.
With further reference to Fig. 3 to Fig. 5, above-mentioned chipper also arranges a kind of safety switching mechanism 2, and described safety switching mechanism 2 comprises the first safety switch 20, is connected to triggering assembly, the second safety switch 22 of first on the described hopper 3 and is connected to second on described tool rest 18 and the described end cap 11 and trigger assembly.
Above-mentioned first, second safety switch 20,22 is microswitch, and the two is cascaded mutually by wire 25, and then is connected in series mutually with the power main switch 16 of described chipper.This first, second safety switch 20,22 all has the two states of disconnection and closure and all is arranged in the switch enclosure 28, so can solve when two safety switches and divide the problem that is arranged and is assembled in respectively main part 1 caused main part 1 indoor design complex structure and assembling inconvenience when interior, thereby realize the integrated and modularization of whole safety switching mechanism 2, and then reach the effect of simplified structure and ease of assembly.Described switch enclosure 28 roughly is made of double structure, is provided with outward extending two pairs of latches 30 in it inserting in first, second safety switch 20,22 corresponding jacks 32, thereby first, second safety switch 20,22 is fixed in the switch enclosure 28.In the inside edge of switch enclosure 28, switch enclosure 28 assemblings of double structure are finished to be meshed with pair of bolts 38 thereby also be provided with pair of bolts hole 36.In addition, also be outward extended with respectively first hollow posts 40 in the two sides of switch enclosure 28 and second hollow posts 42 can be accommodated respectively the contact 21 of the first safety switch 20 and the contact 23 of the second safety switch 22.Simultaneously, this first hollow posts 40 can be housed in the through hole 17 that is arranged on the lower cover 13 (Fig. 5), and the second hollow posts 42 can be housed in the accepting hole 182 that is located in the tool rest 18 (appearance aftermentioned).In addition, be extended with convex 44 at the end face of switch enclosure 28, and offer through hole 46 at convex 44, thereby then screw 48 is passed through hole 46 and the switch enclosure 28 that will be connected to after will assembling on the lower cover 13 is fixed on the lower cover 13 of main part 1.
With further reference to Fig. 6, above-mentioned first triggers assembly comprises the first push rod 31 that is fixedly connected on the described hopper 3.When hopper 3 is mounted to the lower cover 13 of described main part 1 rightly, this first push rod 31 can pass the through hole 17 that is positioned on the lower cover 13 switch enclosure 28 the first hollow posts 40 and contact with the contact 21 of above-mentioned the first safety switch 20, thereby trigger the first safety switch 20 so that it is in closed state.
With reference to Fig. 2 and Fig. 7, the accepting hole 182 that above-mentioned tool rest 18 is provided with the lengthwise type triggers assembly to accommodate above-mentioned second.This second triggers assembly and mainly comprises the second push rod 33 of arranging in the described tool rest 18 and described end cap 11 is connected to bolt 35 on the described tool rest 18.When described bolt 35 was connected to described end cap 11 on the described tool rest 18 fully, described bolt 35 can promote described the second push rod 33, so that described the second push rod 33 is matched with the contact 23 of described the second safety switch 22.In addition, described second triggers assembly also comprises lining 37, and described lining 37 is housed in the accepting hole 182 of described tool rest 18, and described the second push rod 33 partly is housed in the described lining 37.Also be provided with flexible member 39 in the described lining, this flexible member is a stage clip, it is arranged between the end 332 of the bottom surface of described lining 37 and described the second push rod 33, thereby and lining 37 is stretched out in the other end 334 of this second push rod 33 and the second hollow posts 42 of entering the switch enclosure 28 that is positioned at accepting hole 182 contacts with the contact 23 of above-mentioned the second safety switch 22.Like this, after above-mentioned tool rest 18 is fixed to aforementioned body section 1 by the bolt (not shown), then end cap 11 covers the front end face of tool rest 18, by bolt 35 end cap 11 is fixed on the described tool rest 18 again, at this moment, bolt 35 passes the bolt hole of end cap 11 and enters in the accepting hole 182 of tool rest 18, and promote to be positioned at the lining 37 of accepting hole 182, thereby thereby promote the second interior push rod 33 of lining 37 so that the second end 334 of the second push rod 33 is depressed the contact 23 of the second safety switch 22 so that the second safety switch 22 is in closure state.
By the way, as seen safety switching mechanism of the present invention is provided with two mutually safety switches 20,22 and corresponding two triggering assemblies that can trigger these two safety switches of serial connection, and these two trigger assembly be connected to hopper 3, end cap 11 and tool rest 18 interior on.When only having hopper 3 to be in place, perhaps only have in the situation that end cap 11 is in place, only have the safety switch matched with it to be triggered, and the another one safety switch still is in the state of disconnection, so that be in all the time the state of disconnection with its power main switch that is connected in series mutually 16, can not start the running of cutter plate, eliminate because the potential safety hazard that hopper 3 and/or end cap 11 are not in place; Only have in the situation that hopper 3 and end cap 11 all is in place simultaneously, coupled the first triggering assembly and second triggers assembly and can trigger respectively the first safety switch 20 and the second safety switch 22, start the running of cutter plate so that power main switch could might be in closed state, guaranteed like this user's handling safety; And, such safety switching mechanism relatively simple for structure, cost compare is cheap.
Claims (10)
1. the safety switching mechanism of a chipper, described chipper comprises main part, removably be mounted to the hopper on the described main part and be installed in the interior tool rest of described main part, described main part also comprises dismountable end cap that is installed on the described tool rest, it is characterized in that: described safety switching mechanism comprises the first safety switch and the second safety switch that is arranged in the described main part, be connected to first on the described hopper and trigger assembly, and be connected to second on the described end cap and trigger assembly, described first, mutually be connected in series between the power main switch three of the second safety switch and described chipper and have separately and disconnect and the two states of closure, when described hopper was mounted to described main part, described first triggers assembly triggered described the first safety switch so that described the first safety switch is in closure state; When described hopper was not mounted to described main part, described first triggered assembly and described the first safety switch is separated from each other so that described the first safety switch is in the state of disconnection; When described end cap was mounted on the tool rest that is positioned at main part, described second triggers assembly triggered described the second safety switch so that described the second safety switch is in closure state; When described end cap is not mounted on the tool rest that is positioned at main part, described second triggers assembly and described the second safety switch is separated from each other so that described the second safety switch is in the state of disconnection, and described the first safety switch and described the second safety switch are fixedly installed in the same switch enclosure.
2. the safety switching mechanism of chipper as claimed in claim 1, it is characterized in that: described first triggers assembly comprises the first push rod that is arranged on the described hopper, when described hopper was mounted to the below of described main part, described the first push rod and described the first safety switch were matched.
3. the safety switching mechanism of chipper as claimed in claim 1, it is characterized in that: described second triggers assembly comprises the second push rod that arranges in the described tool rest and the bolt that described end cap can be connected on the described tool rest, when described bolt is connected to described end cap on the described tool rest, described bolt can promote described the second push rod, so that described the second push rod and described the second safety switch are matched.
4. the safety switching mechanism of chipper as claimed in claim 3, it is characterized in that: described second triggers assembly also comprises lining, described lining is housed in the described tool rest, and described the second ejector rod part is housed in the described lining, and described bolt can promote described lining.
5. the safety switching mechanism of chipper as claimed in claim 4, it is characterized in that: be provided with flexible member in the described lining, described flexible member is connected between the bottom surface and described the second push rod of described lining.
6. the safety switching mechanism of chipper as claimed in claim 1, it is characterized in that: described switch enclosure is fixed in the described main part.
7. the safety switching mechanism of chipper as claimed in claim 6 is characterized in that: described switch enclosure is outward extended with the first hollow posts and the second hollow posts with the contact of accommodating respectively described the first safety switch and the contact of the second safety switch.
8. the safety switching mechanism of chipper as claimed in claim 7, it is characterized in that: the bottom of described main part is provided with through hole to accommodate described the first hollow posts.
9. the safety switching mechanism of chipper as claimed in claim 7 is characterized in that: described tool rest is provided with accepting hole to accommodate the described second contact of triggering assembly and described the second safety switch.
10. such as the safety switching mechanism of any one described chipper in the claim 1 to 9, it is characterized in that: described the first safety switch and described the second safety switch are microswitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910234732 CN101716544B (en) | 2009-11-17 | 2009-11-17 | Safety switching mechanism of shredder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910234732 CN101716544B (en) | 2009-11-17 | 2009-11-17 | Safety switching mechanism of shredder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101716544A CN101716544A (en) | 2010-06-02 |
| CN101716544B true CN101716544B (en) | 2013-04-03 |
Family
ID=42431238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910234732 Expired - Fee Related CN101716544B (en) | 2009-11-17 | 2009-11-17 | Safety switching mechanism of shredder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101716544B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521340B (en) * | 2013-10-24 | 2015-02-18 | 张家港哈工药机科技有限公司 | Safety starting method and device for hard rubber type traditional Chinese medicine processor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5035366A (en) * | 1987-03-09 | 1991-07-30 | Sharp Kabushiki Kaisha | Paper shredder with service power outlet |
| CN1153084A (en) * | 1995-09-04 | 1997-07-02 | 中林株式会社 | Safety mechanism for paper breaker |
| CN201170992Y (en) * | 2008-01-11 | 2008-12-24 | 东莞皇利电器有限公司 | Self-locking safety switch apparatus for paper chipper |
| CN201239649Y (en) * | 2007-12-12 | 2009-05-20 | 王邦枝 | Safe type pulverizer |
| CN201534104U (en) * | 2009-11-17 | 2010-07-28 | 天佑电器（苏州）有限公司 | Safety switch mechanism of twig crusher |
-
2009
- 2009-11-17 CN CN 200910234732 patent/CN101716544B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5035366A (en) * | 1987-03-09 | 1991-07-30 | Sharp Kabushiki Kaisha | Paper shredder with service power outlet |
| CN1153084A (en) * | 1995-09-04 | 1997-07-02 | 中林株式会社 | Safety mechanism for paper breaker |
| CN201239649Y (en) * | 2007-12-12 | 2009-05-20 | 王邦枝 | Safe type pulverizer |
| CN201170992Y (en) * | 2008-01-11 | 2008-12-24 | 东莞皇利电器有限公司 | Self-locking safety switch apparatus for paper chipper |
| CN201534104U (en) * | 2009-11-17 | 2010-07-28 | 天佑电器（苏州）有限公司 | Safety switch mechanism of twig crusher |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101716544A (en) | 2010-06-02 |
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Granted publication date: 20130403 Termination date: 20191117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |