CN205220084U - Drive assembly and thin slice class medium processing apparatus - Google Patents
Drive assembly and thin slice class medium processing apparatus Download PDFInfo
- Publication number
- CN205220084U CN205220084U CN201521077693.0U CN201521077693U CN205220084U CN 205220084 U CN205220084 U CN 205220084U CN 201521077693 U CN201521077693 U CN 201521077693U CN 205220084 U CN205220084 U CN 205220084U
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- gear
- transmission component
- rotating shaft
- axle head
- endoporus
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Abstract
The utility model discloses a drive assembly and thin slice class medium processing apparatus, wherein, drive assembly includes pivot and gear, the axle head of pivot includes two planes of looks spaced and two cambered surfaces, the shape of the hole of gear with the shape of axle head is matchd, the axle head with the hole is pegged graft and is cooperated. The utility model provides a drive assembly, the pivot cooperates transmission power with the gear through two sets of planes, can increase the application of force area of gear mesh pivot, reduces the pressure that the gear received on unit area to the friction that slows down axle head with the hole of gear of pivot prevents that the gear from causing the cooperation precision to reduce because of the hole wearing and tearing enlarge and droing even, has improved drive assembly's reliability.
Description
Technical field
The utility model relates to a kind of transmission component, and a kind of laminated medium processing unit using this transmission component.
Background technology
Transmission component is provided with in the plant equipment such as printer, scanner, cleaning-sorting machine.As shown in Figure 1, traditional transmission component comprises rotating shaft 1 ' and gear 2 ', and wherein, the cross section of the axle head 11 ' of rotating shaft 1 ' is D shape, has first plane 12 '; Gear 2 ' comprises the endoporus 21 ' coordinated with axle head 11 ' grafting, and the geomery of endoporus 21 ' mates with the geomery of axle head 11 ', and endoporus 21 ' has second plane 22 '.When installing transmission component, by the endoporus 21 ' of gear 2 ' and the axle head 11 ' grafting of rotating shaft 1 ', wherein, first plane 12 ' and the second plane 22 ' relative engagement, the axis of gear 2 ' phase countershaft 1 ' is stoped to rotate, to make gear 2 ' drive rotating shaft 1 ' to rotate, then, back-up ring (not shown) is arranged on axle head and departs from rotating shaft 1 ' to prevent gear 2 '.
In the transmission component course of work, to be coordinated with the second plane 22 ' of gear 2 ' by the first plane 12 ' of rotating shaft 1 ' and transmit power, first plane 12 ' and the second plane 22 ' extrude repeatedly along the circumference of rotating shaft 1 ', two planes have the trend of relative motion, there is friction, after transmission component Long-Time Service, first plane 12 ' and the second plane 22 ' there will be abrasion deformation, especially concerning the lower plastic gear of intensity, along with the wearing and tearing of the second plane 22 ', the endoporus 21 ' of gear 2 ' increases gradually, after wear extent acquires a certain degree, gear 2 ' reduces with the quality of fit of rotating shaft 1 ', cause transmission unstable, even there is the problems such as gear tooth breakage, therefore, the reliability of this transmission component is low.
Utility model content
The purpose of this utility model is the transmission component providing a kind of reliability high, and uses the laminated medium processing unit of this transmission component.
For reaching above-mentioned purpose, the utility model by the following technical solutions:
On the one hand, provide a kind of transmission component, comprise rotating shaft and gear, the axle head of described rotating shaft comprises two planes separately and two cambered surfaces, and the shape of the endoporus of described gear and the form fit of described axle head, described axle head coordinates with described endoporus grafting.
As a kind of preferred version of transmission component, the axle head of described rotating shaft comprises two the first planes and two first cambered surfaces of opposing parallel setting, and the endoporus of described gear has two the second planes and two the second cambered surfaces that match.
As a kind of preferred version of transmission component, the cambered surface of described rotating shaft is provided with protrude from described cambered surface, can with the barb of the end face clamping of described gear.
By arranging barb in the cambered surface of the axle head of rotating shaft, barb can limiting gear along the movement of rotating shaft axis, do not need the position additionally using back-up ring limiting gear, decrease the number of parts of transmission component, reduce manufacturing cost.
As a kind of preferred version of transmission component, the outer surface of described barb is provided with chamfering.
As a kind of preferred version of transmission component, when described axle head is inserted in described endoporus, described barb extend out to outside described gear, and described barb abuts with the end face of described gear near a side of described gear.
As a kind of preferred version of transmission component, the end face of described gear is provided with counterbore, and described counterbore and described female coaxial are arranged, and when described axle head is inserted in described endoporus, described barb is positioned at described counterbore.
As a kind of preferred version of transmission component, the degree of depth of described counterbore is not less than the axial length of described barb.
As a kind of preferred version of transmission component, also comprise axle sleeve, described rotating shaft is plugged in described axle sleeve, and the axle head of described rotating shaft extends to the endoporus grafting with described gear outside described axle sleeve.
As a kind of preferred version of transmission component, described rotating shaft is also fixedly installed glue-line outward.
On the other hand, also provide a kind of laminated medium processing unit, comprise described transmission component.
The beneficial effects of the utility model: the transmission component that the utility model provides, rotating shaft and gear are coordinated by two groups of planes and transmit power, the force area of gear mesh rotating shaft can be increased, reduce the pressure that gear is subject in unit are, thus slow down the friction of the axle head of rotating shaft and the endoporus of gear, prevent gear from even coming off because endoporus wearing and tearing expansion causes quality of fit to reduce, improve the reliability of transmission component.
Accompanying drawing explanation
Fig. 1 is the structural representation of traditional transmission component.
Fig. 2 is the structural representation of the transmission component that the utility model first embodiment provides.
Fig. 3 is the generalized section of the transmission component that the utility model first embodiment provides.
Fig. 4 is the operation principle schematic diagram of the transmission component that the utility model first embodiment provides.
Fig. 5 is the generalized section of the transmission component that the utility model second embodiment provides.
Fig. 6 is the structural representation of the transmission component that the utility model the 3rd embodiment provides.
Fig. 7 is the structural representation of flaky medium treatment facility one embodiment of the transmission component using the utility model to provide.
In Fig. 1:
1 ', rotating shaft; 11 ', axle head; 12 ', first plane; 2 ', gear; 21 ', endoporus; 22 ', second plane.
In Fig. 2 to 7:
1, rotating shaft; 11, axle head; 12, the first plane; 13, the first cambered surface; 14, barb; 15, glue-line; 2, gear; 21, endoporus; 22, the second plane; 23, counterbore; 3, axle sleeve;
100, paper feeding mechanism; 200, paper feed passage; 300, print components; 310, printhead; 320, transmission component; 400, exit slot.
Detailed description of the invention
The technical solution of the utility model is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Fig. 2 is the structural representation of the transmission component that the utility model first embodiment provides, and as shown in Figure 2, transmission component comprises rotating shaft 1 and gear 2, and rotating shaft 1 comprises axle head 11, and axle head 11 comprises two planes separately and two cambered surfaces.
Preferably, two planes are two the first planes 12 paralleled formed by Milling Process, two cambered surfaces are connected by two the first cambered surfaces 13 between two the first cambered surfaces, 13, two the first planes 12, and two the first planes 12 and two the first cambered surfaces 13 form two flat structure.
Preferably, two the first cambered surfaces 13 are respectively arranged with can with the barb 14 of gear 2 end face clamping, wherein, barb 14 protrudes from the periphery of the first cambered surface 13, and after rotating shaft 1 and gear 2 assemble, inner face and gear 2 end face of the barb 14 in rotating shaft 1 are fitted.Preferably, the outer surface of barb 14 is provided with chamfering.
The shape of the endoporus 21 of gear 2 and axle head 11 form fit of rotating shaft 1, have two the second planes 22 and two the second cambered surfaces, the diameter matches of the first cambered surface 13 of the diameter of endoporus 21 and the axle head 11 of rotating shaft 1.When installing gear 2, first the endoporus 21 of gear 2 is relative with the axle head 11 of rotating shaft 1, and two of axle head 11 the first planes 12 are alignd with two the second planes 22 of endoporus 21, then by the axle head 11 of rotating shaft 1 and endoporus 21 grafting of gear 2, the barb 14 of axle head 11 end abuts with gear 2, compressing gear 2 makes its endoporus 21 produce elastic deformation, until endoporus 21 cross barb 14, axle head 11 inserts in the endoporus 21 of gear 2, after installation, two the second planes 22 of endoporus 21 fit tightly with two the first planes of axle head 11 respectively, two the second cambered surfaces of endoporus 21 fit tightly with two the first cambered surfaces of axle head 11 respectively, the inner face of barb 14 coordinates with the end face of gear 2, due to the restriction of barb 14, gear 2 can not depart from from rotating shaft 1.
Fig. 3 is the generalized section of the transmission component that the utility model first embodiment provides, Fig. 4 is the operation principle schematic diagram of the transmission component that the utility model first embodiment provides, as shown in Figure 3, Figure 4, after gear 2 is arranged in rotating shaft 1, the endoporus 21 of gear 2 is socketed with the axle head 11 of rotating shaft 1, barb 14 on axle head 11 protrudes from the periphery of the first cambered surface 13 on axle head 11, and the inner face of barb 14 stops gear 2 axially coming off from rotating shaft 1 along rotating shaft 1; In the course of work of transmission component, two the first planes 12 of rotating shaft 1 contact respectively with two the second planes 22 of gear 2, gear 2 applies active force by the common countershaft 1 of the force surface of two planes, therefore, when active force summation is certain, the active force that gear 2 applies on each force surface is the half of total active force.
The transmission component that the utility model provides, comprises rotating shaft and gear, and wherein, the axle head of rotating shaft is the two flat structure with two planes and two cambered surfaces, and cambered surface is also provided with the barb protruding from cambered surface; The shape of the endoporus of gear and the axle head form fit of rotating shaft, have two planes and two cambered surfaces, the diameter matches of its diameter and rotating shaft.The transmission component that the utility model provides, rotating shaft and gear are coordinated by two planes to transmit power, the force area of gear mesh rotating shaft can be increased, reduce the pressure in gear unit are, thus slow down the friction of rotating shaft axle head and bore, prevent from bore from wearing and tearing to expand, improve the reliability of transmission component.Further, barb can limiting gear movement vertically, does not need the position additionally using back-up ring limiting gear, decreases transmission component number of parts, reduce cost.
Fig. 5 is the generalized section of the transmission component that the utility model second embodiment provides, and as shown in Figure 5, compared with the transmission component provided with the first embodiment, the gear 2 of the transmission component that the present embodiment provides is provided with counterbore 23.
Counterbore 23 is arranged on a side end face of gear 2, coaxially arranges with the endoporus 21 of gear 2, and its diameter is greater than the spacing of two barbs 14, and its axial depth is not less than the axial length of barb 14.When after the installation completing transmission component, the inner face of barb 14 and the bottom surface of counterbore 23.
The transmission component that the present embodiment provides is owing to being provided with counterbore 23, and the end face of axle head 11 can not protrude from the end face of gear 2, reduces the space that transmission component occupies, and improves the compactedness of transmission component.
Fig. 6 is the structural representation of the transmission component that the utility model the 3rd embodiment provides, and as shown in Figure 6, compared with the transmission component provided with the first embodiment, the transmission component that the present embodiment provides also comprises axle sleeve 3.
When installing transmission component, first axle sleeve 3 is socketed in the hole (meaning not shown in the figures) of the device case using transmission component, then rotating shaft 1 is plugged in axle sleeve 3, wherein, axle head 11 reaches the outside of axle sleeve 3, finally gear 2 grafting is fixed on axle head 11, completes the installation of transmission component.
The transmission component that the present embodiment provides, owing to adding axle sleeve 3, rotating shaft 1 no longer directly contacts with the hole of device case, and the frictional resistance that rotating shaft 1 is subject to significantly reduces, and further increases the reliability of transmission component.
Fig. 7 is the structural representation of flaky medium treatment facility one embodiment of the transmission component using the utility model to provide, and in the present embodiment, laminated medium processing unit is printer.As shown in Figure 7, printer comprises paper feeding mechanism 100, paper feed passage 200 and the exit slot 400 of arranging successively along medium transport direction, and is arranged on the print components 300 on paper feed passage 200.Medium is entered in paper feed passage 200 by paper feeding mechanism 100, and moves to after print components 300 place prints along paper feed passage 200 and discharged by exit slot 400; Print components 300 comprises printhead 310 and transmission component 320, printhead 310 is for the writings and image of print setting on medium, transmission component 320 adopts any one transmission component above-mentioned, wherein, the gear (not shown) of transmission component 320 is connected with the motor-driven of printer, for transmission of torque that motor is exported to rotating shaft 1, rotating shaft 1 is rotated, drive medium moves along paper feed passage 200, preferably, rotating shaft 1 is outer is also fixedly installed glue-line 15, and glue-line 15 coordinates with printhead 310 is tangent, for supporting and pumped (conveying) medium.
The transmission component that flaky medium treatment facility in the present embodiment uses the utility model to provide, the transmission component provided due to the utility model can prevent gear shifting quadrant texturing from coming off, therefore, compared with prior art, the flaky medium treatment facility good stability, the reliability that provide of the present embodiment is high.
In description of the present utility model, it is to be appreciated that term " first ", " second ", only for being distinguished in description, not special implication.
It is to be understood that; above-mentioned detailed description of the invention is only preferred embodiment of the present utility model and institute's application technology principle; in technical scope disclosed in the utility model; the change that any those skilled in the art of being familiar with easily expect or replacement, all should be encompassed in protection domain of the present utility model.
Claims (10)
1. a transmission component, comprises rotating shaft and gear, it is characterized in that, the axle head of described rotating shaft comprises two planes separately and two cambered surfaces, and the shape of the endoporus of described gear and the form fit of described axle head, described axle head coordinates with described endoporus grafting.
2. transmission component according to claim 1, is characterized in that, the axle head of described rotating shaft comprises two the first planes and two first cambered surfaces of opposing parallel setting, and the endoporus of described gear has two the second planes and two the second cambered surfaces that match.
3. transmission component according to claim 1, is characterized in that, the cambered surface of described rotating shaft is provided with protrude from described cambered surface, can with the barb of the end face clamping of described gear.
4. transmission component according to claim 3, is characterized in that, the outer surface of described barb is provided with chamfering.
5. transmission component according to claim 3, is characterized in that, when described axle head is inserted in described endoporus, described barb extend out to outside described gear, and described barb abuts with the end face of described gear near a side of described gear.
6. transmission component according to claim 3, is characterized in that, the end face of described gear is provided with counterbore, and described counterbore and described female coaxial are arranged, and when described axle head is inserted in described endoporus, described barb is positioned at described counterbore.
7. transmission component according to claim 6, is characterized in that, the degree of depth of described counterbore is not less than the axial length of described barb.
8. the transmission component according to any one of claim 1 to 7, is characterized in that, also comprises axle sleeve, and described rotating shaft is plugged in described axle sleeve, and the axle head of described rotating shaft extends to the endoporus grafting with described gear outside described axle sleeve.
9. the transmission component according to any one of claim 1 to 7, is characterized in that, described rotating shaft is also fixedly installed glue-line outward.
10. a laminated medium processing unit, is characterized in that, comprises transmission component as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521077693.0U CN205220084U (en) | 2015-12-22 | 2015-12-22 | Drive assembly and thin slice class medium processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521077693.0U CN205220084U (en) | 2015-12-22 | 2015-12-22 | Drive assembly and thin slice class medium processing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205220084U true CN205220084U (en) | 2016-05-11 |
Family
ID=55895173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521077693.0U Active CN205220084U (en) | 2015-12-22 | 2015-12-22 | Drive assembly and thin slice class medium processing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205220084U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109775340A (en) * | 2019-01-23 | 2019-05-21 | 广州华研制药设备有限公司 | A kind of pallet rotation drive device |
-
2015
- 2015-12-22 CN CN201521077693.0U patent/CN205220084U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109775340A (en) * | 2019-01-23 | 2019-05-21 | 广州华研制药设备有限公司 | A kind of pallet rotation drive device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |