CN105909729A - Multi-gear-set engagement structure and paper shredder - Google Patents
Multi-gear-set engagement structure and paper shredder Download PDFInfo
- Publication number
- CN105909729A CN105909729A CN201610347668.2A CN201610347668A CN105909729A CN 105909729 A CN105909729 A CN 105909729A CN 201610347668 A CN201610347668 A CN 201610347668A CN 105909729 A CN105909729 A CN 105909729A
- Authority
- CN
- China
- Prior art keywords
- gear
- gear train
- group
- engaging structure
- multiple tooth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/24—Drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0006—Vibration-damping or noise reducing means specially adapted for gearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
Abstract
The invention discloses a multi-gear-set engagement structure. The structure comprises N gear sets and two rotating shafts; N is an integer not less than 2; each gear set includes two component gears engaged with each other; two component gears in each gear set are respectively mounted on the two rotating shafts; the engaged points of two adjacent gear sets are staggered by a preset included angle around the axis of any one rotating shaft; and when the N gear sets act, at least one gear set is located in a double-gear engaged area. The component gears of the adjacent gear sets are staggered by a certain angle, so that the contact ratio of the gears is effectively increased, the load of the gears is reduced, the collapse of the gears is prevented, and the service life of the gears is prolonged. Each component gear is thinner, so that a thin material can be used for machining, a punching process can be used in machining, the production efficiency is high, the mold life is effectively prolonged, and the precision of the gears is effectively improved. In addition, the invention further discloses a paper shredder with the multi-gear-set engagement structure.
Description
Technical field
The present invention relates to a kind of driving assembly, particularly relate to multi-gear engaging structure.
Background technology
Existing gear drives assembly to generally comprise two panels pitch wheel, during action, and drive mechanism control
Make a pinion rotation, another pinion rotation that this gear driven is engaged with, thus drive controlled component actuation.
But, due to existing gear have often due to registration is limited, during pinion rotation, load is relatively big, and holds
Easily shake, gear life is low.
Summary of the invention
It is an object of the invention to provide a kind of multiple tooth wheels engaging structure, can effectively increase the registration of gear,
Reduce the load often organizing gear train, increase gear life.
It is a further object of the present invention to provide a kind of shredder, it is little that this shredder has load, and gear life is high
Multiple tooth wheels engaging structure.
In order to there be purpose on realizing, the invention discloses a kind of multiple tooth wheels engaging structure, including N group gear
Group and two rotary shafts, N is the integer more than or equal to 2, and each group of gear train includes two intermeshing point
Plate gear, burst gear described in the two of each described gear train is respectively arranged in two described rotary shafts, and
The meshing point of two adjacent groups gear train staggers with default angle around the axis of arbitrary described rotary shaft, so that N group
During described gear train action, gear train described in least one set is in double-teeth toothing region.
Compared with prior art, the present invention one gear is divided into several pieces to form several burst gears, and point
The assembling position location of plate gear is fixed, and rotates certain by adjacent burst gear relative to assembling position location
Angle, can effectively increase the registration of gear, reduces the load of each burst gear, often on group gear train
Load be evenly distributed, can effectively prevent bursting apart of gear, increase gear life.On the other hand, the present invention
Each burst gear all ratios relatively thin, process for stamping can be used to process, and the material of thickness can use thin material
Substituting, punching press gear can use the progressive die to produce, and production efficiency is high, and is effectively improved die life and tooth
Wheel precision.
It is preferred that m=(2-X)/(X-1)+1.5, N be the integer after m rounds up or N more than m,
X is the registration of described burst gear.Wherein, N can be equal to 2,3,4,5 or other numerical value.
Specifically, when in described gear train, previous group gear enters monodentate region of engagement, next group gear train enters
Or it being in double-teeth toothing region, when first group of gear train i.e. will be disengaged from monodentate region of engagement, last group gear train is firm
Enter well or be in double-teeth toothing region..
It is preferred that the described gear train of N group is equivalently-sized.
It is preferred that described gear train includes first group of gear train and second group of gear train, described first group of gear
When group enters monodentate region of engagement, described second gear train enters or is in double-teeth toothing region.
Specifically, described gear train also includes that the 3rd group of gear train, described second group of gear train enter monodentate and nibble
When closing district, described 3rd gear train enters or is in double-teeth toothing region.
It is preferred that two burst gear size in described gear train are identical or different.
The arrangement it is preferred that N number of meshing point of the described gear train of N group mutually staggers in path of contact, prevents from appointing
Two gear trains of anticipating overlap and arrange.
Specifically, the meshing point of the described gear train of N group equidistant arrangement of staggering in path of contact.
It is preferred that the corresponding burst gear on gear train described in two adjacent groups fits.
The invention also discloses a kind of shredder, the paper shredder including frame, being installed in described frame and
Drive mechanism, described paper shredder includes two paper shredding cutters being oppositely arranged, and described drive mechanism includes multiple tooth
Wheels engaging structure, described multiple tooth wheels engaging structure is as it appears from the above, and described drive mechanism and described shredded paper
Cutter is connected and drives the cutter shaft of paper shredding cutters described in two to rotate, so that paper shredding cutters relatively rotates described in two.
Compared with prior art, shredder of the present invention has multiple tooth wheels engaging structure, multiple tooth wheels
Engaging structure one gear is divided into several pieces to form several burst gears, and the assembling sprocket bit of burst gear
Put fixing, adjacent burst gear is rotated a certain angle relative to assembling position location, can effectively increase
The registration of gear, reduces the load of each burst gear, and often the load on group gear train is evenly distributed, can
Effectively prevent bursting apart of gear, increase gear life.On the other hand, each burst gear of the present invention all than
Relatively thin, thick material can use thin material to substitute, and process for stamping can be used to process, it is achieved the progressive die
Producing, production efficiency is high, and is effectively improved die life and the accuracy of gear.
It is preferred that two burst gears of each group of gear train are respectively arranged in described multiple tooth wheels engaging structure
On the cutter shaft of paper shredding cutters described in two.
Accompanying drawing explanation
Fig. 1 is the structural representation of multiple tooth wheels engaging structure of the present invention
Fig. 2 is the structural representation of multiple tooth wheels another angle of engaging structure of the present invention.
Fig. 3 is the side view of multiple tooth wheels engaging structure of the present invention.
Fig. 4 is the decomposing schematic representation of multiple tooth wheels engaging structure of the present invention.
Fig. 5 is path of contact and the meshing point schematic diagram of multiple tooth wheels engaging structure middle gear group of the present invention.
Fig. 6 is the structural representation of shredder of the present invention.
Detailed description of the invention
By describing the technology contents of the present invention, structural feature in detail, being realized purpose and effect, below in conjunction with
Embodiment also coordinates accompanying drawing to be explained in detail.
Referring to figs. 1 to Fig. 5, the invention discloses a kind of multiple tooth wheels engaging structure 100, including three groups of gears
Group, first the most equivalently-sized gear train the 10, second gear train the 20, the 3rd gear train 30 and two turns
Moving axis 40, described first gear train 10 includes two intermeshing burst gears 11, described second gear
Group 20 includes two intermeshing burst gears 21, and described 3rd gear train 30 includes intermeshing point
Plate gear 31, burst gear 11 described in the two of described first gear train 10 is respectively arranged in two described rotations
On axle 40, burst gear 21 described in the two of described second gear train 20 is respectively arranged in two described rotary shafts
On 40, burst gear 31 described in the two of described 3rd gear train 30 is respectively arranged in two described rotary shafts 40
On, so that described first gear train the 10, second gear train 20 and the 3rd gear train 30 is co-axially mounted and parallel
Arrangement, and meshing point E of meshing point F of the second gear train 20 and the first gear train 10 is relative to arbitrary institute
State rotary shaft 40 to stagger predetermined angle (referred to as offset angular), meshing point G of the 3rd gear train 30 with in
Meshing point F of the second gear train 20 is relative to the axis misalignment predetermined angle of gear train so that two adjacent groups tooth
The meshing point of wheels has default angle around the axis of gear train, and (i.e. the corresponding gear of adjacent teeth wheels is around gear
Group axis has certain angle), the meshing point of adjacent teeth wheels staggers a predeterminable range in path of contact, with
When making described first gear train the 10, second gear train 20 and the 3rd gear train 30 action, least one set gear
Group has contact in path of contact B1-B2 at 2 simultaneously, i.e. the gear teeth of least one set gear train are in bi-tooth gearing
District.Wherein, two bursts in described first gear train the 10, second gear train 20 and the 3rd gear train 30
Gear 11,21,31 equivalently-sized.
Preferably, described first group of gear train 10 enters monodentate region of engagement (with reference to the B district in Fig. 5, i.e.
D-C), time, described second gear train 20 enters or is in double-teeth toothing region (with reference to the A district in Fig. 5, i.e.
B1-D and C-B2).Described second group of gear train 20 enters monodentate region of engagement (the B district with reference in Fig. 5)
Time, described 3rd gear train 30 enters or is in double-teeth toothing region (the A district with reference in Fig. 5).
Preferably, the number of described gear train is N, m=(2-X)/(X-1)+1.5, and N is that m tetra-gives up five
Integer or N after entering are more than the registration that m, X are described burst gear.In the present embodiment, X is 1.42,
N is 3.
Preferably, when in described gear train, previous group gear enters B district, monodentate region of engagement, next organizes gear train
Enter or be in double-teeth toothing region A district, when first group of gear train 10 i.e. will be disengaged from B district, monodentate region of engagement,
Later group gear train 30 just into or be in double-teeth toothing region A district.
Certainly, the number of described multiple tooth wheels engaging structure middle gear group is not limited in three, it is also possible to be
Two, four, five etc. plural N number of.Such as, when the number of gear train is two and is respectively
When the first gear train 10 and the second gear train 20, described first group of gear train 1 enters monodentate region of engagement (ginseng
Examine the B district in Fig. 5) time, described second gear train 20 enters or is in double-teeth toothing region (with reference in Fig. 5
A district), when the second gear train 20 enters monodentate region of engagement, described first group of gear train 10 enters or is in
Double-teeth toothing region.During N number of gear train parallel arranged, the burst gear that adjacent two gear trains are corresponding can be mutual
Laminating, it is also possible to there is between adjacent teeth wheels certain gap.
In the present embodiment, in path of contact B1-B2, the meshing point (reality of a pair burst gear in gear train
Contact point, if actual contact point has two, remembers that previous contact point is meshing point) be distributed as: the first gear
Group the 10, second gear train 20 and the 3rd gear train 30 meshing point E in path of contact B1-B2, F, G with
Preset the distance path of contact that staggers equidistantly to arrange.Certainly, the meshing point of N group gear train can also be in path of contact
Unequally distributed blades.Being not limited to such scheme, meshing point E of three groups of gear trains 10,20,30, F, G are also
Can be staggered along different directions, meshing point F of the such as second gear train 20 is relative to the first gear train 10
Meshing point E be in staggered distribution along pinion rotation direction, meshing point G of the 3rd group of gear 30 is relative to second group
Meshing point F of gear is in staggered distribution along pinion rotation opposite direction, in this embodiment, and the second gear train 20 phase
Offset angular for the first gear train 10 is forward 15.98 degree, and the 3rd gear train 30 is relative to the second gear
The offset angular of group 20 is reverse 7.99 degree.
In the present embodiment, in 3 groups of gear trains 10,20,30, meshing point C of adjacent two gear trains is in engagement
On line B1-B2, relative misalignment is apart from equal.
With reference to Fig. 6, the invention also discloses a kind of shredder 200, including frame 201, be installed on described machine
Paper shredder 202 on frame 201 and drive mechanism 203, described paper shredder 202 includes two be oppositely arranged
Paper shredding cutters 41, described drive mechanism 203 includes multiple tooth wheels engaging structure 100, described paper shredder 202
Drive the action of described drive mechanism 203 so that the cutter shaft 40 of paper shredding cutters 41 described in two relatively rotates.
The present embodiment kind, in described multiple tooth wheels engaging structure 100 the two of each group of gear train 10,20,30
Burst gear is respectively arranged on the cutter shaft 40 of paper shredding cutters 41 described in two, driving of described drive mechanism 203
The transmission component action of drive mechanism 203 described in dynamic driven by motor, described transmission component drives described multi-gear
Burst gear 11 in group engaging structure 100 rotates, so that the cutter shaft 40 of paper shredding cutters 41 described in two is relative
Rotate.Certainly, described transmission component can also be described multiple tooth wheels engaging structure.
Wherein, the meshing point of two adjacent groups gear train forms the default angle along gearset axis can be 7.99
Degree, naturally it is also possible to be 6 degree, can be the number of degrees such as 9 degree, and the concrete number of degrees can be depended on by those skilled in the art
According to being actually needed, the number of gear train and registration calculate or set.
Above disclosed only the preferred embodiments of the present invention, can not limit the present invention with this certainly
Interest field, the equivalent variations therefore made according to scope of the present invention patent, still belong to the present invention and contained
Scope.
Claims (10)
1. a multiple tooth wheels engaging structure, it is characterised in that: include N group gear train and two rotary shafts, N
For the integer more than or equal to 2, each group of gear train includes two intermeshing burst gears, each described
Burst gear described in the two of gear train is respectively arranged in two described rotary shafts, and two adjacent groups gear train
Meshing point staggers with default angle around the axis of arbitrary described rotary shaft, so that during the described gear train action of N group,
Described in least one set, gear train is in double-teeth toothing region.
Multiple tooth wheels engaging structure the most as claimed in claim 1, it is characterised in that: m=(2-X)/(X-1)
+ 1.5, N are that the integer after m rounds up or N are more than the registration that m, X are described burst gear.
Multiple tooth wheels engaging structure the most as claimed in claim 1, it is characterised in that: before in described gear train
When one group of gear enters monodentate region of engagement, next group gear train enters or is in double-teeth toothing region, first group of tooth
When wheels i.e. will be disengaged from monodentate region of engagement, last group gear train just into or be in double-teeth toothing region.
Multiple tooth wheels engaging structure the most as claimed in claim 1, it is characterised in that: the described gear train of N group
Equivalently-sized.
Multiple tooth wheels engaging structure the most as claimed in claim 1, it is characterised in that: the described gear train of N group
N number of meshing point mutually stagger in path of contact arrangement.
Multiple tooth wheels engaging structure the most as claimed in claim 5, it is characterised in that: the described gear train of N group
Meshing point equidistant arrangement of staggering in path of contact.
Multiple tooth wheels engaging structure the most as claimed in claim 1, it is characterised in that: in described gear train
Two burst gear size are identical or different.
Multiple tooth wheels engaging structure the most as claimed in claim 1, it is characterised in that: tooth described in two adjacent groups
Corresponding burst gear on wheels fits.
9. a shredder, it is characterised in that: include frame, the paper shredder being installed in described frame and
Drive mechanism, described paper shredder includes two paper shredding cutters being oppositely arranged, and described drive mechanism includes multiple tooth
Wheels engaging structure, described multiple tooth wheels engaging structure is shown in as any one of claim 1 to 8, and institute
State drive mechanism be connected with described paper shredding cutters and drive the cutter shaft of paper shredding cutters described in two to rotate, so that two institutes
State paper shredding cutters to relatively rotate.
10. shredder as claimed in claim 9, it is characterised in that: in described multiple tooth wheels engaging structure
Two burst gears of each group of gear train are respectively arranged on the cutter shaft of paper shredding cutters described in two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610347668.2A CN105909729B (en) | 2016-05-23 | 2016-05-23 | Multi-gear group engaging structure and shredder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610347668.2A CN105909729B (en) | 2016-05-23 | 2016-05-23 | Multi-gear group engaging structure and shredder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105909729A true CN105909729A (en) | 2016-08-31 |
| CN105909729B CN105909729B (en) | 2019-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610347668.2A Active CN105909729B (en) | 2016-05-23 | 2016-05-23 | Multi-gear group engaging structure and shredder |
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| Country | Link |
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| CN (1) | CN105909729B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2876448Y (en) * | 2006-01-27 | 2007-03-07 | 丁飞 | Transmission gear wheel component element for office equipment |
| CN2877863Y (en) * | 2005-12-12 | 2007-03-14 | 钟奋强 | Paper shredder and paper shredding mechanism |
| US20080099985A1 (en) * | 2006-11-01 | 2008-05-01 | Brother Kogyo Kabushiki Kaisha | Intermittent drive mechanism, sheet feeder, and image forming apparatus |
| CN103807407A (en) * | 2012-11-08 | 2014-05-21 | 能诚集团有限公司 | Tooth engagement transmission part applied to precise mechanical structure |
| CN205780606U (en) * | 2016-05-23 | 2016-12-07 | 东莞精锐电器五金有限公司 | Multiple tooth wheels engaging structure and shredder |
-
2016
- 2016-05-23 CN CN201610347668.2A patent/CN105909729B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2877863Y (en) * | 2005-12-12 | 2007-03-14 | 钟奋强 | Paper shredder and paper shredding mechanism |
| CN2876448Y (en) * | 2006-01-27 | 2007-03-07 | 丁飞 | Transmission gear wheel component element for office equipment |
| US20080099985A1 (en) * | 2006-11-01 | 2008-05-01 | Brother Kogyo Kabushiki Kaisha | Intermittent drive mechanism, sheet feeder, and image forming apparatus |
| CN103807407A (en) * | 2012-11-08 | 2014-05-21 | 能诚集团有限公司 | Tooth engagement transmission part applied to precise mechanical structure |
| CN205780606U (en) * | 2016-05-23 | 2016-12-07 | 东莞精锐电器五金有限公司 | Multiple tooth wheels engaging structure and shredder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105909729B (en) | 2019-02-12 |
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Address after: Building 1, No. 10 Guanhuang North Road, Gaopu Town, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Jingrui Precision Industry Co.,Ltd. Address before: 523270 Dongguan Jingrui Electrical Hardware Co., Ltd., Hengjiaotou Industrial Zone, Gaopu Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN ELITE ELECTRIC HARDWARE PRODUCT Co.,Ltd. |
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