CN103821914B - Gear assembly - Google Patents
Gear assembly Download PDFInfo
- Publication number
- CN103821914B CN103821914B CN201410023867.9A CN201410023867A CN103821914B CN 103821914 B CN103821914 B CN 103821914B CN 201410023867 A CN201410023867 A CN 201410023867A CN 103821914 B CN103821914 B CN 103821914B
- Authority
- CN
- China
- Prior art keywords
- hole
- gland
- boss
- diameter
- toothed disc
- 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.)
- Expired - Fee Related
Links
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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/008—Mechanical features of drives, e.g. gears, clutches
-
- 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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
Abstract
The invention relates to a gear assembly which comprises a circular gear plate, a pressing cap plate and multiple bolts. The gear plate comprises a rotating shaft through hole used for disposing a rotating shaft and a clamping boss located on the outer side of the rotating shaft through hole and encircling the same. The diameter of one end, away from the gear plate, of the clamping boss is smaller than that of one end, connected with the gear plate, of the clamping boss. The pressing cap plate comprises a tapered boss fixing hole matched with the clamping boss. The clamping boss is accommodated in the boss fixing hole. The bolts penetrate the pressing cap plate to lock the pressing cap plate with the gear plate. The gear assembly is good in reliability.
Description
Technical field
The present invention relates to a kind of actuating device, more particularly, to a kind of gear drive.
Background technology
Spur gear is actual production and uses one of central most common gear.With the medium-sized rotation of UNISET60 common at present
As a example printer, spur gear is the middle main drive gear of the oscillating ink mechanism as this equipment.For spur gear, generally adopt
Flat key driving torque.
Refer to Fig. 1 and Fig. 2, Fig. 1 is a kind of schematic diagram of spur gear in prior art, Fig. 2 is a kind of in prior art
Schematic diagram with the power transmission shaft of spur gear cooperation.This spur gear 1 include toothed disc 11, be located at toothed disc 11 on axis hole 12 and from
The keyway 13 extending on this axis hole 12.This axis hole 12 is located at the center of this toothed disc 11, and this keyway 13 is bar shaped, with this tooth
The shaft parallel of wheel disc 11.
It is provided with flat key projection 21, this flat key projection 21 exterior contours and this keyway 13 in-profile phase on this power transmission shaft 2
It coincide.During use, the main body of power transmission shaft 2 is inserted in this bearing cross hole 12, and this flat key projection 21 is slidably inserted in this keyway 13.For
Further power transmission shaft 2 and this spur gear 1 are fastened locking, also by pad is passed through on the end face of power transmission shaft 2 in prior art
Lock with a word countersunk head screw.
However, in this case, due to reasons such as high-speed rotation, brakings, this is just for this toothed disc 11 and this power transmission shaft 2
Result in printer operationally, when especially high-speed rotation is shut down, disconnected paper twines glue and main drive gear caused larger rigidity rush
Hit, the connecting key deformation between this toothed disc 11 and this power transmission shaft 2, lead to gap excessive, cause toothed disc 11 and this power transmission shaft 2
Between occur rocking, in the course of time, cause one word countersunk head screw loosen, and then lead to toothed disc 11 loosen or come off so that
Gear-driven reliability is relatively low, also makes the reliability of printer relatively low.
Content of the invention
In view of the relatively low technical problem of the reliability of gear drive of the prior art is it is necessary to provide a kind of reliable
The higher gear drive of property.
The present invention provides a kind of gear drive, and it includes a circular toothed disc, a gland disk and multiple spiral shell
Bolt；This toothed disc includes one for disposing the rotating shaft through hole of rotary shaft and one to be located at outside rotating shaft through hole and surround this rotating shaft
The clamping boss of the taper of through hole；One end diameter away from this toothed disc of this clamping boss is less than this clamping boss and this gear teeth
The diameter of one end that disk connects；This gland disk includes the boss fixing hole of a taper being used in combination with this clamping boss；
This clamping boss is contained in this boss and fixes in the hole；The plurality of bolt passes through this gland disk to lock this gland disk with this toothed disc
Gu.
Further, this toothed disc also includes a gland groove, and this gland groove is annular；The medial wall of this gland groove is
The lateral wall of this clamping boss, the lateral wall of this gland groove is cylinder；This toothed disc, this clamping boss, this gland groove have
Common axis.
Further, this gland disk also includes a cylindrical end cap straight hole；This end cap straight hole and this boss fixing hole
Cooperation runs through this gland disk, has common axis with this boss fixing hole；The fixing with diameter greater than this boss of this end cap straight hole
Hole is away from the diameter of one end of this toothed disc.
Further, this gear drive also includes a hubcap, and the diameter of this hubcap is less than this end cap straight hole
Diameter and more than this boss fixing hole away from one end of this toothed disc diameter, one bolt hole of setting in this hubcap；
This gear drive also includes a bolt for this hubcap is fixed on rotary shaft through this bolt hole.
Further, the bottom surface of this gland groove is provided with multiple screwed holes, and the plurality of screwed hole is with regard to this rotary shaft axle pair
Claim is uniformly distributed；It is provided with multiple vias, each via is corresponding with a screwed hole on this gland disk.
Further, this gear drive also includes a rotary shaft, and this rotary shaft is contained in this rotating shaft through hole, with
The inwall of this rotating shaft through hole abuts.
Further, a diameter of 25 millimeters of this rotating shaft through hole, one end diameter away from this toothed disc of this clamping boss
For 32 millimeters, a diameter of 36 millimeters of one end that this clamping boss is connected with this wheel fluted disc, the height of this clamping boss is 14 millis
Rice, this screwed hole is the screwed hole of M8 screw, a diameter of 95 millimeters of this gland groove outer wall.
Further, a diameter of 90 millimeters of this gland disk, the thickness of this gland disk be 15 millimeters, this boss fixing hole leans on
A diameter of 35 millimeters of one end of this toothed disc nearly, a diameter of 33.4 millis of one end of this boss fixing hole this toothed disc of principle
Rice, the distance between this boss fixing hole two ends are 9 millimeters.
Further, this gland disk is additionally provided with two and exits screwed hole, and this exits screwed hole and runs through this gland disk.
Compared to prior art, the present invention mainly has the beneficial effects that：
Because the present invention includes the clamping boss of a taper being located on toothed disc, this gland disk includes one and is somebody's turn to do
The boss fixing hole of the taper that clamping boss matches, this boss fixing hole and this clamping boss constitute a tapered sleeve locking knot
Structure, when this toothed disc and this gland disk are strained and fixed by multiple screws in opposite directions, this tapered sleeve locking mechanism ensure that this rotary shaft
With the firm connection of this toothed disc is it is ensured that the moment between rotary shaft and this toothed disc is transmitted.And, such structure application
So that achieving flexible connection between the string ink of printing equipment, string water dispenser structure and main transmission mechanism when in printing equipment, setting
In the case of standby high speed stop, it is greatly lowered and resolves paper and twine glue to the impact caused by main drive gear, serve to main biography
The protective effect of motivation structure, improves the reliability of printing equipment, and this makes the reliability of the gear drive of the present invention relatively
Good.
Brief description
Fig. 1 is a kind of schematic diagram of spur gear in prior art；
Fig. 2 is a kind of schematic diagram with the power transmission shaft of spur gear cooperation in prior art；
Fig. 3 is the front view of the toothed disc of gear drive of the present invention；
Fig. 4 is the front view of the gland disk of the gear drive of the present invention；
Fig. 5 is the front view of the hubcap of the gear drive of the present invention；
Fig. 6 is the decomposition side view of invention gear drive.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used to limit the present invention.
Please in the lump referring to Fig. 3 to Fig. 6, Fig. 3 is the front view of the toothed disc of gear drive of the present invention, and Fig. 4 is this
The front view of the gland disk of bright gear drive, Fig. 5 is the front view of the hubcap of the gear drive of the present invention, figure
6 is the decomposition side view of invention gear drive.
The gear drive of the present invention includes toothed disc 3, gland disk 4 and hubcap 5.This toothed disc 3 is flat on the whole
Flat circular cylindrical shape, outside is provided with multiple gear teeth 35 at equal intervals.The rotating shaft through hole being provided centrally with circle of this toothed disc 3
32.This rotating shaft through hole 32 is used for housing the end of drive shaft 5.It is provided with the gland groove of toroidal outside this rotating shaft through hole 32
31, this gland groove 31 is matched for housing this gland disk 4 with the shape of this gland disk 4.The lateral wall of this gland groove 31 is put down
The rotating shaft setting of this toothed disc 3 of row, medial wall is arranged at an angle with the axes of rotation skew of this toothed disc 3.This gland groove 31
Medial wall defines a clamping boss 33 with the side wall cooperation of this rotating shaft through hole 32.This clamping boss 33 is in hollow outside face on the whole
For the boss of taper, rotating shaft through hole 32 is positioned at the axle center of this clamping boss 33.
In a preferred embodiment, the thickness of this wheel fluted disc 3 is 25 millimeters, a diameter of 25 millis of this rotating shaft through hole 32
Rice.14 millimeters of the depth of this gland groove 31, that is, the height of this clamping boss 33 be 14 millimeters.The diameter of this gland groove 31 lateral wall
For 95 millimeters.A diameter of 36 millimeters of this clamping boss 33 and this indent 31 bottom intersection, i.e. this clamping boss 33 bottom pressure
The larger diameter of the medial wall of cover slot 31 is 36 millimeters.The small diameter of the medial wall of this gland groove 31, this clamping boss 33
Top diameter is 32 millimeters, and this top diameter is generally referred to as port diameter.
There are 6 screw holes 34 in the bottom of this gland groove 31, this screw hole 34 extends to this from the bottom of this gland groove 31
Another surface of toothed disc 3, for running through the through hole of this toothed disc 3.In alternate embodiments, this screw hole 34 can also be blind
Hole.This 6 screw holes 34 with regard to this wheel fluted disc 3 rotating shaft is symmetrical and equidistantly distributed, any two screw hole 34 and this axis
Between line angle be 60 degree.In a preferred embodiment, this screw hole 34 is the hole of M8 screw.
This gland disk 4 is the fixing locking device of disc-shape.Specifically, it is provided with boss fixing hole in this gland disk 4
41st, end cap straight hole 42 and multiple via 43.This boss fixing hole 41 is bellmouth, a diameter of 35 millimeters of conical lower portion, taper
A diameter of 33.4 millimeters of top, the distance between top and bottom (taper hole depth) is 9 millimeters.This boss fixing hole 41 is arranged
At the center of this gland disk 4, with this gland disk 4, there is common central shaft.The bottom of this boss fixing hole 41 larger aperture with
One surface of this gland disk 4 flushes, and the smaller aperture due top of this boss fixing hole 41 is located at the inside of this gland disk 4 and insertion should
End cap straight hole 42.
This end cap straight hole 42 is cylindrical hole, has common central shaft with this gland disk 4 and the fixing via 41 of this boss.
In better embodiment, a diameter of 35 millimeters of this end cap straight hole 42, the top phase of one bottom and this boss fixing hole 41
Connect, another bottom is flushed with another surface of this gland disk 4.In better embodiment, the height of this end cap straight hole 42 is 6 millis
Rice, therefore this end cap straight hole 42 and the cooperation of this boss fixing hole 41 run through two bottom surfaces of this gland disk 4.
The quantity of this via 43 is 6, is the via of hexagonal dormant bolt in M8x30, its distribution on this gland disk 4
Correspond with distribution on this toothed disc 3 for this screw hole 34.
Two screw through-hole (not shown) are additionally provided with this gland plate disc 4, this two screw through-hole are in this via 43
Circumference on.The effect of this two screw through-hole is：When dismantling toothed disc, eject gland disk 4 so that cone boss with screw
Unclamp power transmission shaft.
This hubcap 5 is thin rounded flakes shape, and centre has the locking hole 51 running through this hubcap 5.The diameter of this hubcap 5
Less than this end cap straight hole 42 diameter and more than this boss fixing hole 41 away from one end of this toothed disc diameter.
The gear drive of the present invention also includes multiple screws, and this screw is the M8 screw of standard.When mounted, will turn
From the rotating shaft through hole 32 that this toothed disc 3 is inserted in the opposite side of gland groove 31, this rotary shaft 6 inserts rotating shaft for the end of moving axis 6
End in through hole 32 is substantially identical with the Internal periphery of this rotating shaft through hole 32.The gland groove 31 of this toothed disc 3 is away from this turn
The side of moving axis 5.The conical lower portion of the boss fixing hole 41 of this gland disk 4 towards this toothed disc 3, from this toothed disc 3 and this
The relative side of rotary shaft 6 embeds gland groove 31 and the clamping boss 33 of this toothed disc 3.In present embodiment, when embedded, by
In gland disk 4 boss fixing hole 41 conical lower portion diameter be less than clamping boss 33 base diameter, boss fixing hole 41
Conical top with diameter greater than clamping boss port diameter, the bottom of the conical lower portion of this boss fixing hole 41 and this clamping boss 33
Between, that is, this gland disk 4 towards the surface of this gland groove 31 with the gap also between this gland groove 31 bottom surface with 6 millimeters.Often
One screw is screwed into this screw hole 34 after passing through corresponding via 43.This 6 screws are symmetrical firmly to be locked completely by this gland disk 4
In this this gland groove 31, the pyramidal structure now by this boss fixing hole 41 and this clamping boss 33 cooperates extruding screens
Boss 33 male cone (strobilus masculinus), tightening force is converted into axial enclasping force, makes the diameter Stepwize Shrink of this rotating shaft through hole 32, final locking position
Rotary shaft 6 in this rotating shaft through hole 32.
Subsequently, this hubcap 5 is placed in this end cap straight hole 42, this rotary shaft 6 also has lock screw hole 61, lead to
Cross screw to be screwed in this lock screw hole 61 through this locking hole 51, thus locking this gland disk 4 with this toothed disc 3 further
Tightly.
With respect to prior art, because the present invention includes the clamping boss 33 of the taper on toothed disc 3, this gland disk
The boss fixing hole 41 of taper matching with this clamping boss 33 is included, this boss fixing hole 41 and this clamping boss 33 on 4
Constitute tapered sleeve locking mechanism, when this toothed disc 3 is mutually fixed by multiple screws with this gland disk 4 interference fit, this tapered sleeve is locked
Structure ensure that the close contact of this rotary shaft 6 and this toothed disc 3 it is ensured that the moment between rotary shaft 6 and this toothed disc 3 passes
Pass.And, such structure make printing equipment string ink, string water dispenser structure and main transmission mechanism between achieve flexible connection,
In the case of equipment high speed stop, it is greatly lowered and resolves paper and twine glue to the impact caused by main drive gear, it is right to serve
The protective effect of main drive gear.
It should be noted that above example is only in order to illustrate technical scheme and unrestricted, although with reference to preferably
Embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the technology of the present invention
Scheme is modified or equivalent, and without deviating from the spirit and scope of technical solution of the present invention, it all should be covered at this
In the middle of bright right.
Claims (8)
1. a kind of gear drive, including a circular toothed disc it is characterised in that also including a gland disk and multiple
Bolt；This toothed disc includes one for disposing the rotating shaft through hole of rotary shaft and one to be located at outside rotating shaft through hole and surround this turn
The clamping boss of the taper of shaft through-hole；One end diameter away from this toothed disc of this clamping boss is less than this clamping boss and this tooth
The diameter of one end that wheel disc connects；The boss that this gland disk includes a taper being used in combination with this clamping boss is fixed
Hole；This clamping boss is contained in this boss and fixes in the hole；This gland disk is locked convex completely by the plurality of bolt through this gland disk
Platform fixing hole simultaneously extrudes clamping boss so that rotating shaft through hole internal diameter reduces rotary shaft and the locking of this toothed disc, and this toothed disc is also
Including a gland groove, this gland groove is annular；The medial wall of this gland groove is the lateral wall of this clamping boss, this gland groove
Lateral wall be cylinder；This toothed disc, this clamping boss, this gland groove have common axis, this gland groove and this gland
The shape of disk matches for housing this gland disk.
2. gear drive according to claim 1 is it is characterised in that this gland disk also includes a cylindrical end
Lid straight hole；This end cap straight hole runs through this gland disk with the cooperation of this boss fixing hole, has common axis with this boss fixing hole；
This end cap straight hole with diameter greater than this boss fixing hole away from one end of this toothed disc diameter.
3. gear drive according to claim 2 is it is characterised in that this gear drive also includes an axle head
Lid, the diameter of this hubcap is less than the diameter of this end cap straight hole and straight away from one end of this toothed disc more than this boss fixing hole
Footpath, one bolt hole of setting in this hubcap；This gear drive also includes one for should through this bolt hole
Hubcap is fixed on the bolt of rotary shaft.
4. the gear drive according to claim 2 to 3 any one is it is characterised in that the bottom surface of this gland groove sets
It is equipped with multiple screwed holes, the plurality of screwed hole is symmetrically and evenly distributed with regard to this rotary shaft；It is provided with multiple vias on this gland disk,
Each via is corresponding with a screwed hole.
5. gear drive according to claim 4 is it is characterised in that this gear drive also includes a rotation
Axle, this rotary shaft is contained in this rotating shaft through hole, abuts with the inwall of this rotating shaft through hole.
6. gear drive according to claim 5, should it is characterised in that a diameter of 25 millimeters of this rotating shaft through hole
A diameter of 32 millimeters of one end away from this toothed disc of clamping boss, the diameter of one end that this clamping boss is connected with this toothed disc
For 36 millimeters, the height of this clamping boss is 14 millimeters, and this screwed hole is the screwed hole of M8 screw, the diameter of this gland groove outer wall
For 95 millimeters.
7. gear drive according to claim 6 is it is characterised in that a diameter of 90 millimeters, this pressure of this gland disk
The thickness of shrouding disc is 15 millimeters, this boss fixing hole near a diameter of 35 millimeters of one end of this toothed disc, this boss fixing hole
Away from a diameter of 33.4 millimeters of one end of this toothed disc, the distance between this boss fixing hole two ends are 9 millimeters.
8. gear drive according to claim 4 exits screw thread it is characterised in that this gland disk is additionally provided with two
Hole, this exits screwed hole and runs through this gland disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410023867.9A CN103821914B (en) | 2014-01-17 | 2014-01-17 | Gear assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410023867.9A CN103821914B (en) | 2014-01-17 | 2014-01-17 | Gear assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103821914A CN103821914A (en) | 2014-05-28 |
| CN103821914B true CN103821914B (en) | 2017-02-22 |
Family
ID=50757129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410023867.9A Expired - Fee Related CN103821914B (en) | 2014-01-17 | 2014-01-17 | Gear assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103821914B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139546A (en) * | 2018-11-16 | 2019-01-04 | 四川聚亿重工有限公司 | A kind of connection structure of turbocompressor impeller and axis |
| DE102020106278A1 (en) * | 2020-03-09 | 2021-09-09 | Saurer Spinning Solutions Gmbh & Co. Kg | Device for torque transmission |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2038962U (en) * | 1988-03-19 | 1989-06-07 | 赵国良 | No key connection device |
| JP2006207692A (en) * | 2005-01-28 | 2006-08-10 | Yushin Precision Equipment Co Ltd | Rotor fixing device |
| CN201190778Y (en) * | 2008-05-15 | 2009-02-04 | 方杰 | Gear with load transmitted by conical surface |
| CN201575078U (en) * | 2009-07-26 | 2010-09-08 | 大连理工大学 | Rotary mechanical wheel disc rapid fastening, deadlocking and disassembling device |
| CN202251493U (en) * | 2011-09-28 | 2012-05-30 | 洛阳精联机械基础件有限公司 | Locking connecting flange |
| CN203784238U (en) * | 2014-01-17 | 2014-08-20 | 深圳报业集团印务有限公司 | Gear transmission device |
-
2014
- 2014-01-17 CN CN201410023867.9A patent/CN103821914B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2038962U (en) * | 1988-03-19 | 1989-06-07 | 赵国良 | No key connection device |
| JP2006207692A (en) * | 2005-01-28 | 2006-08-10 | Yushin Precision Equipment Co Ltd | Rotor fixing device |
| CN201190778Y (en) * | 2008-05-15 | 2009-02-04 | 方杰 | Gear with load transmitted by conical surface |
| CN201575078U (en) * | 2009-07-26 | 2010-09-08 | 大连理工大学 | Rotary mechanical wheel disc rapid fastening, deadlocking and disassembling device |
| CN202251493U (en) * | 2011-09-28 | 2012-05-30 | 洛阳精联机械基础件有限公司 | Locking connecting flange |
| CN203784238U (en) * | 2014-01-17 | 2014-08-20 | 深圳报业集团印务有限公司 | Gear transmission device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103821914A (en) | 2014-05-28 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Junyang Inventor after: Li Xuan Inventor after: Li Li Inventor after: Zhang Renguo Inventor after: Ou Yangdong Inventor after: Chen Quanwei Inventor after: Gong Li Inventor before: Zhao Junyang |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHAO JUNYANG TO: ZHAO JUNYANG LI XUAN LI LI ZHANG RENGUO OU YANGDONG CHEN QUANWEI GONG LI |
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| C10 | Entry into substantive examination | ||
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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: 20170222 Termination date: 20180117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |