CN201446002U - Overload protection device of shredder and shredder with same - Google Patents

Overload protection device of shredder and shredder with same Download PDF

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Publication number
CN201446002U
CN201446002U CN200920058759XU CN200920058759U CN201446002U CN 201446002 U CN201446002 U CN 201446002U CN 200920058759X U CN200920058759X U CN 200920058759XU CN 200920058759 U CN200920058759 U CN 200920058759U CN 201446002 U CN201446002 U CN 201446002U
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CN
China
Prior art keywords
shredder
gear
driving member
overload protection
passive transmitting
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Expired - Fee Related
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CN200920058759XU
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Chinese (zh)
Inventor
翟斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Bangze Electronics Co Ltd
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Dongguan Bangze Electronics Co Ltd
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Priority to CN200920058759XU priority Critical patent/CN201446002U/en
Application granted granted Critical
Publication of CN201446002U publication Critical patent/CN201446002U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to the technical field of the shredder, and in particular to an overload protection device of a shredder and a shredder with the same; the overload protection device of the shredder comprises a driving transmission gear and a driven transmission gear, which are arranged on the same rotating shaft, the right end surface of the driving transmission gear is provided with a first transmission piece, and the left end surface of the driven transmission gear is provided with a second transmission piece; when the shredder is free from overloading, the first and the second transmission pieces are matched with each other in a transmission way, and when the shredder is overloaded, the right end surface of the driven transmission gear touches a touch switch; the overload protection device is of a mechanical structure, is free from the hysteresis quality and has high stability and reliability and low cost; and the shredder comprises a shredding head, wherein a transmission mechanism is arranged inside the shredding head, and the transmission mechanism is connected with an overload protection device of the shredder; and the shredder adopts the overload protection device of the mechanical structure form, so the shredder is free from the hysteresis quality, and has high stability and reliability and low cost.

Description

The shredder of the overload protection arrangement of shredder and band overload protection arrangement
Technical field
The utility model relates to the shredder technical field, relates in particular to the overload protection arrangement of shredder and the shredder of band overload protection arrangement.
Background technology
Shredder is in the process of using; the phenomenon of overload or overwork appears in shredder through regular meeting; particularly disposable the opening approximately when too much of being involved in of shredder; if shredder overload or overwork; can damage the assembly in the shredder; blade for example; rotating shaft and travelling gear; more likely burn out the motor in the shredder; for preventing shredder overload or overwork; the multiple overload protection arrangement of design is protected shredder in shredder at present; wherein major part is an electrical overstress protection, judges by the size of current in the testing circuit whether shredder transships or work overloadingly.But the circuit overloads protective device has hysteresis quality, and overload protection is untimely.On the other hand, the stability and the reliability of circuit overloads protective device are relatively poor, misoperation may occur, also have some existence insecure phenomenon that resets, moreover circuit overloads protective device cost height is unfavorable for controlling the cost of shredder.
The utility model content
The purpose of this utility model is to provide at the deficiencies in the prior art a kind of overload protection arrangement of shredder, and overload protection arrangement is a frame for movement, does not have hysteresis quality, and stability and reliability height, and cost is low.
Another purpose of the present utility model is to provide a kind of shredder with overload protection arrangement at the deficiencies in the prior art, adopts the overload protection arrangement of mechanical structure form on the shredder, does not have hysteresis quality, and stability and reliability height, and cost is low.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of overload protection arrangement of shredder, comprise the active travelling gear and the passive transmitting gear that are set in the same rotating shaft, initiatively the right side of travelling gear is provided with first driving member, the left side of passive transmitting gear is provided with second driving member, the right side of passive transmitting gear be touched touch switch that time control shredder shuts down and touch and cooperate, passive transmitting gear is provided with the resetting means that can make passive transmitting gear reset; First driving member and the second driving member transmission cooperate during the shredder nonoverload, the second driving member escape, first driving member during shredder overload and moving to right, and the right side of passive transmitting gear presses touch switch.
The first driving member moulding or be arranged in the circle ring area on the right side of travelling gear initiatively, the second driving member moulding or be arranged in the circle ring area on the left side of passive transmitting gear, the second driving member activity is overlapped on first driving member.
First driving member comprises at least one group first gear unit, first gear unit is paramount sequently connected from hanging down by cell body, guiding surface and block, wherein, cell body is opened in the end of guiding surface first end, first end of guiding surface connects the upper end-face edge on cell body right side, block is molded over the end of guiding surface second end, and second end of guiding surface connects the lower edge in block left side.
Second driving member comprises at least one group second gear unit, second gear unit is formed by connecting by step down inclined-plane and boss, boss forming is at the top of stepping down the inclined-plane, the boss activity was embedded in the cell body of the first corresponding gear unit when second driving member cooperated with the first driving member transmission, shredder when overload, boss escape and slide into block from the cell body along guiding surface.
The right edge of cell body has an angle of inclination; The right edge of boss was replaced the right edge at cell body when the boss activity was embedded in the cell body, and the right edge of boss has an angle of inclination.
Initiatively the right side of travelling gear offers cavity, and passive transmitting gear is contained in the cavity of the right side of travelling gear initiatively; First driving member is arranged in the initiatively cavity of the right side of travelling gear, second driving member of the left side of passive transmitting gear and first driving member overlap joint.
Resetting means is spring and the axle sleeve that is set in the rotating shaft, and axle sleeve is positioned at the right side of passive transmitting gear, and the left end of spring is replaced the right side at passive transmitting gear, and the right-hand member of spring is replaced the left end at axle sleeve.
Extend outward the switch contact on the touch switch, the end of switch contact is replaced the right side of replacing at passive transmitting gear after the right side of passive transmitting gear or bending.
Described active travelling gear is a helical gear, and passive transmitting gear is a spur gear.
A kind of shredder with overload protection arrangement comprises the shredded paper head, is provided with transmission mechanism and motor in the shredded paper head, is fixed with first gear in the rotating shaft of motor, is connected with the overload protection arrangement of above-mentioned shredder in the transmission mechanism; First gear cooperates with travelling gear transmission initiatively, and the gear drive of the transmission mechanism in passive transmitting gear and the shredded paper head cooperates.
The beneficial effects of the utility model: the utility model comprises active travelling gear and the passive transmitting gear that is set in the same rotating shaft, initiatively the right side of travelling gear is provided with first driving member, the left side of passive transmitting gear is provided with second driving member, the right side of passive transmitting gear is touched with touch switch and is cooperated, and passive transmitting gear is provided with resetting means; First driving member and the second driving member transmission cooperate during the shredder nonoverload, the second driving member escape, first driving member during shredder overload and moving to right, and the right side of passive transmitting gear presses touch switch; Overload protection arrangement is a frame for movement, does not have hysteresis quality, and stability and reliability height, and cost is low.
Another beneficial effect of the present utility model: shredder comprises the shredded paper head, is provided with transmission mechanism in the shredded paper head, is connected with the overload protection arrangement of above-mentioned shredder in the transmission mechanism; Adopt the overload protection arrangement of mechanical structure form on the shredder, do not have hysteresis quality, and stability and reliability height, cost is low.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment one;
The partial sectional view of overload protection arrangement when accompanying drawing 2 is the utility model embodiment one nonoverload;
The partial sectional view of overload protection arrangement when accompanying drawing 3 is the utility model embodiment one overload;
The structural representation of active travelling gear when accompanying drawing 4 is the utility model embodiment one overload;
Accompanying drawing 5 is the vertical view of accompanying drawing 4;
The structural representation of passive transmitting gear when accompanying drawing 6 is the utility model embodiment one overload;
Accompanying drawing 7 is the front view of accompanying drawing 6;
Accompanying drawing 8 is the vertical view of accompanying drawing 6;
Accompanying drawing 9 is the structural representation of the utility model embodiment two.
The specific embodiment
Embodiment one
The overload protection arrangement of shredder; see accompanying drawing 1 to 8; comprise initiatively travelling gear 1 and passive transmitting gear 2; described active travelling gear 1 is a helical gear; passive transmitting gear 2 is a spur gear; initiatively travelling gear 1 and passive transmitting gear 2 are set in the same rotating shaft 13; initiatively the right side of travelling gear 1 is provided with first driving member 3; first driving member 3 and 4 transmissions of second driving member cooperated when the left side of passive transmitting gear 2 was provided with second driving member, 4. shredder nonoverloads; shredder when overload second driving member 4 escapes, first driving member 3 and moving to right, the right side of passive transmitting gear 2 presses touch switch 5.
The right side of described passive transmitting gear 2 is touched with touch switch 5 and is cooperated; wherein; extend outward switch contact 15 on the touch switch 5; the end of switch contact 15 is replaced the right side at passive transmitting gear 2; perhaps replace in the right side of passive transmitting gear 2 after the terminal bending of switch contact 15, when passive transmitting gear 2 was offset to the right, the right side of passive transmitting gear 2 compressed touch switch 5 to the right; touch switch 5 is touched, and the control shredder was shut down when touch switch 5 was touched.
Described passive transmitting gear 2 is provided with resetting means, resetting means is spring 12 and the axle sleeve 14 that is set in the rotating shaft 13, axle sleeve 14 is positioned at the right side of passive transmitting gear 2, the left end of spring 12 is replaced the right side at passive transmitting gear 2, the right-hand member of spring 12 is replaced the left end at axle sleeve 14, resetting means is used to make passive transmitting gear 2 to reset, and wherein, spring 12 makes first driving member 3 on the passive transmitting gear 2 keep being overlapped on initiatively travelling gear 1.
The right side of described active travelling gear 1 offers cavity 11, first driving member 3 is arranged in the initiatively cavity 11 of the right side of travelling gear 1, passive transmitting gear 2 is contained in the cavity 11 of the right side of travelling gear 1 initiatively, and second driving member 4 of the left side of passive transmitting gear 2 overlaps with first driving member 3.In fact, in the cavity 11 of the sheathed active travelling gear 1 of the left end of passive transmitting gear 2, make the action of whole overload holding device more reliable, be difficult for breaking down.
Described first driving member 3 is molded in the circle ring area on the right side of travelling gear 1 initiatively, described first driving member 3 comprises four group of first gear unit, first gear unit is paramount sequently connected from hanging down by cell body 6, guiding surface 7 and block 8, wherein, cell body 6 is opened in the end of guiding surface 7 first ends, first end of guiding surface 7 connects the upper end-face edge on cell body 6 right sides, block 8 is molded over the end of guiding surface 7 second ends, and second end of guiding surface 7 connects the lower edge in block 8 left sides.Described four group of first gear unit is evenly distributed in the circle ring area of the cavity 11 of travelling gear 1 initiatively, and four group of first gear unit head and the tail connects in turn.Certainly, described first driving member 3 can also be an assembly independently, and first driving member 3 is fixed in the cavity 11 of travelling gear 1 initiatively by welding, clamping or connected mode such as affixed.
Described second driving member 4 is molded in the circle ring area on the left side of passive transmitting gear 2, and 4 activities of second driving member are overlapped on first driving member 3.Certainly, described first moving part can also be an assembly independently, and second driving member 4 is fixed on the left side of passive transmitting gear 2 by welding, clamping or connected mode such as affixed.
Described second driving member 4 comprises four group of second gear unit, and second gear unit is formed by connecting by step down inclined-plane 9 and boss 10, and boss 10 is molded over the top on the inclined-plane 9 of stepping down.Described four group of first gear unit is evenly distributed in the circle ring area of left side of passive transmitting gear 2, and four group of second gear unit head and the tail connects in turn.Boss 10 activities were embedded in the cell body 6 of the first corresponding gear unit when second driving member 4 cooperated with 3 transmissions of first driving member, shredder when overload, boss 10 escape and slide into block 8 along guiding surface 7 from the cell body 6.
The right edge of described cell body 6 has an angle of inclination; The right edge of boss 10 was replaced the right edge at cell body 6 when boss 10 activities were embedded in the cell body 6, the right edge of boss 10 has an angle of inclination. and the right edge of the right edge of cell body 6 and boss 10 is respectively arranged with the angle of inclination, when shredder surpasses the load of setting, the boss 10 of second driving member 4 can be from the cell body 6 of first driving member 3 escape, replace on the guiding surface 7 of first driving member 3 behind boss 10 escapes of second driving member 4; Meanwhile, the boss 10 of second driving member 4 is escape from the cell body 6 of first driving member 3 in a single day, 2 of passive transmitting gears are to skew, the switch contact 15 of the right side touching touch switch 5 of passive transmitting gear 2, touch switch 5 control shredders are shut down, and the power supply or the control motor 18 that cut off motor 18 in the shredder stop operating, and prevent the super negative actuation of shredder, damage the parts in the shredder, also prevent to burn out motor 18; After motor 18 shut down, under the inertia force effect, the boss 10 of second driving member 4 slided along guiding surface 7, collided the block 8 of guiding surface 7 ends at last and stopped; Touch switch 5 remains on the state of being touched; shredder keeps stopped status. when resetting; press the counter-rotating control button of shredder; perhaps the rotating shaft 13 in the shredder is reversed by alternate manner; the boss 10 of second driving member 4 is along guiding surface 7 reverse slide; the boss 10 of second driving member 4 finally is entrapped in the cell body 6 of first driving member 3, so far recovers the duty of shredder.
Embodiment two
The shredder of band overload protection arrangement; see accompanying drawing 9; comprise shredded paper head 16; be provided with transmission mechanism 17 and motor 18 in the shredded paper head 16; be connected with the overload protection arrangement 20 of above-mentioned shredder in the transmission mechanism 17, wherein, be fixed with first gear in the rotating shaft 13 of motor 18; first gear cooperates with travelling gear 1 transmission initiatively, and the gear drive of the transmission mechanism 17 in passive transmitting gear 2 and the shredded paper head 16 cooperates.The overload protection arrangement 20 of present embodiment is identical with embodiment one, no longer gives unnecessary details at this.
Above content only is preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.

Claims (10)

1. the overload protection arrangement of a shredder, it is characterized in that: comprise the active travelling gear (1) and the passive transmitting gear (2) that are set in the same rotating shaft (13), initiatively the right side of travelling gear (1) is provided with first driving member (3), the left side of passive transmitting gear (2) is provided with second driving member (4), the right side of passive transmitting gear (2) be touched touch switch (5) that time control shredder shuts down and touch and cooperate, passive transmitting gear (2) is provided with the resetting means that can make passive transmitting gear (2) reset; First driving member (3) and second driving member (4) transmission cooperate during the shredder nonoverload, second driving member (4) escape first driving member (3) during the shredder overload and moving to right, and the right side of passive transmitting gear (2) presses touch switch (5).
2. the overload protection arrangement of a kind of shredder according to claim 1; it is characterized in that: first driving member (3) moulding or be arranged in the circle ring area on the right side of travelling gear (1) initiatively; second driving member (4) moulding or be arranged in the circle ring area on the left side of passive transmitting gear (2), second driving member (4) activity is overlapped on first driving member (3).
3. the overload protection arrangement of a kind of shredder according to claim 2; it is characterized in that: first driving member (3) comprises at least one group first gear unit; first gear unit is by cell body (6); guiding surface (7) and block (8) are from low paramount sequently connected; wherein; cell body (6) is opened in the end of guiding surface (7) first ends; first end of guiding surface (7) connects the upper end-face edge on cell body (6) right side; block (8) is molded over the end of guiding surface (7) second ends, and second end of guiding surface (7) connects the lower edge in block (8) left side.
4. the overload protection arrangement of a kind of shredder according to claim 3; it is characterized in that: second driving member (4) comprises at least one group second gear unit; second gear unit is formed by connecting by the inclined-plane of stepping down (9) and boss (10); boss (10) is molded over the top of the inclined-plane of stepping down (9); boss (10) activity was embedded in the cell body (6) of the first corresponding gear unit when second driving member (4) cooperated with first driving member (3) transmission; during the shredder overload, boss (10) is gone up escape and is slid into block (8) along guiding surface (7) from cell body (6).
5. the overload protection arrangement of a kind of shredder according to claim 4, it is characterized in that: the right edge of cell body (6) has an angle of inclination; The right edge of boss (10) was replaced the right edge in cell body (6) when boss (10) activity was embedded in the cell body (6), and the right edge of boss (10) has an angle of inclination.
6. according to the overload protection arrangement of the described a kind of shredder of one of claim 1 to 5, it is characterized in that: initiatively the right side of travelling gear (1) offers cavity (11), and passive transmitting gear (2) is contained in the cavity (11) of the right side of travelling gear (1) initiatively; First driving member (3) is arranged in the initiatively cavity (11) of the right side of travelling gear (1), second driving member (4) of the left side of passive transmitting gear (2) and first driving member (3) overlap joint.
7. the overload protection arrangement of a kind of shredder according to claim 6; it is characterized in that: resetting means is spring (12) and is set in axle sleeve (14) in the rotating shaft (13); axle sleeve (14) is positioned at the right side of passive transmitting gear (2); the left end of spring (12) is replaced in the right side of passive transmitting gear (2), and the right-hand member of spring (12) is replaced the left end in axle sleeve (14).
8. the overload protection arrangement of a kind of shredder according to claim 7; it is characterized in that: extend outward switch contact (15) on the touch switch (5), the end of switch contact (15) is replaced the right side of replacing in passive transmitting gear (2) after the right side of passive transmitting gear (2) or bending.
9. the overload protection arrangement of a kind of shredder according to claim 7, be characterised in that: described active travelling gear (1) is a helical gear, and passive transmitting gear (2) is a spur gear.
10. shredder with overload protection arrangement, comprise shredded paper head (16), be provided with transmission mechanism (17) and motor (18) in the shredded paper head (16), be fixed with first gear in the rotating shaft (13) of motor (18), it is characterized in that: the overload protection arrangement that is connected with the described shredder of one of claim 1 to 8 in the transmission mechanism (17); First gear cooperates with travelling gear (1) transmission initiatively, and the gear drive of the transmission mechanism (17) in passive transmitting gear (2) and the shredded paper head (16) cooperates.
CN200920058759XU 2009-06-19 2009-06-19 Overload protection device of shredder and shredder with same Expired - Fee Related CN201446002U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200920058759XU CN201446002U (en) 2009-06-19 2009-06-19 Overload protection device of shredder and shredder with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200920058759XU CN201446002U (en) 2009-06-19 2009-06-19 Overload protection device of shredder and shredder with same

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CN201446002U true CN201446002U (en) 2010-05-05

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104070697A (en) * 2014-06-18 2014-10-01 韦啟武 Motor speed changing box structure for oil press
CN105233929A (en) * 2015-11-11 2016-01-13 四川省远大专用凭证印务有限公司 Special shredder for destroying waste invoices
CN109291771A (en) * 2018-11-13 2019-02-01 河北科技大学 A kind of vehicle dormer window with overload protection function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104070697A (en) * 2014-06-18 2014-10-01 韦啟武 Motor speed changing box structure for oil press
CN105233929A (en) * 2015-11-11 2016-01-13 四川省远大专用凭证印务有限公司 Special shredder for destroying waste invoices
CN109291771A (en) * 2018-11-13 2019-02-01 河北科技大学 A kind of vehicle dormer window with overload protection function

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100505

Termination date: 20150619

EXPY Termination of patent right or utility model