CN203666216U - Electric pencil sharpener - Google Patents
Electric pencil sharpener Download PDFInfo
- Publication number
- CN203666216U CN203666216U CN201420013914.7U CN201420013914U CN203666216U CN 203666216 U CN203666216 U CN 203666216U CN 201420013914 U CN201420013914 U CN 201420013914U CN 203666216 U CN203666216 U CN 203666216U
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- CN
- China
- Prior art keywords
- transmission shaft
- power transmission
- knife rest
- taper
- blind hole
- 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 - Lifetime
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- 230000005540 biological transmission Effects 0.000 claims abstract description 97
- 230000007704 transition Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
An electric pencil sharpener comprises a body. A knife rest (1), a transmission shaft (2), a transmission mechanism and a motor are arranged in the body, one end of the knife rest (1) is connected with one end of the transmission shaft (2), the other end of the transmission shaft (2) is connected with the motor through the transmission mechanism, the knife rest (1) and the transmission shaft (2) are connected in an inserted mode, a blind hole (3) is formed in the end face of the end, close to the transmission shaft (2), of the knife rest (1), and at least two first conical guide blocks (4) are evenly distributed at the bottom of the blind hole (3) in the circumferential direction. The diameter of the end, close to the knife rest (1), of the transmission shaft (2) is smaller than the diameter of the blind hole (3), a sector structure matched with the first conical guide blocks (4) is arranged at the end, close to the knife rest (1), of the transmission shaft (2), and after the transmission shaft (2) is inserted into the blind hole (3), the two ends of the sector structure are placed between the two adjacent first conical guide blocks (4).
Description
Technical field
The utility model relates to stationery field, is specifically a kind of power-driven sharpener.
Background technology
At present, power-driven sharpener on market is that knife rest is connected with power transmission shaft, again by motor or the rotation of driven by motor power transmission shaft, and then band movable knife rack rotates and pencil is cut, operate more convenient, operating efficiency is higher, the connection end of the knife rest of above-mentioned power-driven sharpener and power transmission shaft is square structure, when end part of driving shaft inserts after knife rest connecting through hole, can prevent power transmission shaft idle running, connect more firm, the part but it still comes with some shortcomings: because traditional end part of driving shaft and knife rest connecting through hole are square structure, in the time of assembling, after power transmission shaft carefully need to being aimed at knife rest, could insert, in assembling process, power transmission shaft may block with the connecting through hole of knife rest, connect cumbersome.
Utility model content
Technical problem to be solved in the utility model: provide a kind of power transmission shaft that can make to be connected fairly simple power-driven sharpener with knife rest.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of power-driven sharpener, it comprises body, in body, be provided with knife rest, power transmission shaft, transmission mechanism and motor, knife rest one end is connected with one end of power transmission shaft, and the other end of power transmission shaft is connected with motor by transmission mechanism, and knife rest and power transmission shaft are pegged graft, one end end face of the nearly power transmission shaft of knife rest is provided with blind hole, and blind hole bottom is along circumferential uniform at least two first " taper " bootstrap blocks; One end diameter of the nearly knife rest of described power transmission shaft is less than the diameter of blind hole, end, power transmission shaft nearly knife rest one end is to coordinate the sector structure of pegging graft with first " taper " bootstrap block, and after power transmission shaft insertion blind hole, the two ends of sector structure lay respectively between two adjacent first " taper " bootstrap blocks.
Adopt said structure, the advantage that the utility model has is: one section of end face of the nearly power transmission shaft of described knife rest is provided with blind hole, and blind hole bottom is provided with first " taper " bootstrap block, described first " taper " bootstrap block is for falling " turriform " structure, first " taper " bootstrap block is used for guiding power transmission shaft to take advantage of a situation in insertion blind hole, because one end of the nearly power transmission shaft of the first " taper " bootstrap block is needle point structure, shared small volume, one end diameter that power transmission shaft is provided with the sector structure that coordinates with first " taper " bootstrap block and the nearly knife rest of power transmission shaft is less than the diameter of blind hole, therefore, as long as power transmission shaft is put into blind hole, power transmission shaft inserts gradually blind hole bottom under the guiding of first " taper " bootstrap block, without deliberately aiming at, more convenient, after power transmission shaft inserts in blind hole, the two ends of sector structure snap in respectively between adjacent two first " taper " bootstrap blocks, realize the circumferentially spacing of cutter setting frame, are with movable knife rack rotation to carry out cutwork under the cooperation of transmission device, prevent power transmission shaft rotation in blind hole, structure is simpler.
As preferably, described first " taper " bootstrap block is connected with knife rest integral type, makes first " taper " bootstrap block in the time that power transmission shaft band movable knife rack rotates, be not easy damage or drop, and connects more firm.
As preferably, one end of described sector structure is provided with second " taper " bootstrap block coordinating with first " taper " bootstrap block, sector structure is provided with one end of second " taper " bootstrap block higher than the other end of sector structure, and second " taper " bootstrap block coordinates power transmission shaft can be inserted in blind hole more quickly with first " taper " bootstrap block, make power transmission shaft and knife rest easy to connect, and structure is simpler.
As preferably, described blind hole is frustum cone structure, one end diameter of the nearly power transmission shaft of round platform is greater than one end diameter of round platform away from power transmission shaft, one end of the nearly power transmission shaft of round platform is connected by chamfered transition away from one end of power transmission shaft with round platform, the aligning blind hole that frustum cone structure can be more prone to power transmission shaft, under the effect of inclined-plane and first " taper " bootstrap block, take advantage of a situation and be inserted into blind hole bottom, complete connection, so make power transmission shaft and knife rest easy to connect, smooth and easy.
As preferably, in the middle part of the nearly knife rest of described power transmission shaft one end, be provided with cylindrical guide pillar, cylindrical guide pillar is positioned at the center of blind hole after power transmission shaft inserts knife rest, has the effect of axial lead.
Accompanying drawing explanation
Fig. 1 is the blast structural representation that the knife rest of a kind of power-driven sharpener of the utility model is connected with power transmission shaft.
Fig. 2 is the cutter frame structure schematic diagram of a kind of power-driven sharpener of the utility model.
Fig. 3 is the structural representation of the power transmission shaft of a kind of power-driven sharpener of the utility model.
As shown in the figure: 1-knife rest, 2-power transmission shaft, 3-blind hole, 4-first " taper " bootstrap block, 5-second " taper " bootstrap block, the cylindrical guide pillar of 6-.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1 and Figure 2, a kind of power-driven sharpener, it comprises body, in body, be provided with knife rest 1, power transmission shaft 2, transmission mechanism and motor, knife rest 1 one end is connected with one end of power transmission shaft 2, and the other end of power transmission shaft 2 is connected with motor by transmission mechanism, and knife rest 1 is pegged graft with power transmission shaft 2, one end end face of knife rest 1 nearly power transmission shaft 2 is provided with blind hole 3, and blind hole 3 bottoms are along circumferential uniform at least two first " taper " bootstrap blocks 4; One end diameter of described power transmission shaft 2 nearly knife rests 1 is less than the diameter of blind hole 3, the nearly knife rest of power transmission shaft 21 end, one end is to coordinate the sector structure of pegging graft with first " taper " bootstrap block 4, and the two ends that power transmission shaft 2 inserts blind hole 3 rear sector structures lay respectively between two adjacent first " taper " bootstrap blocks 4.
One section of end face of described knife rest 1 nearly power transmission shaft 2 is provided with blind hole 3, and blind hole 3 bottoms are provided with first " taper " bootstrap block 4, described first " taper " bootstrap block 4 is for falling " turriform " structure, first " taper " bootstrap block 4 inserts in blind hole 3 for guiding power transmission shaft 2 to take advantage of a situation, because one end of first " taper " bootstrap block, 4 nearly power transmission shafts 2 is needle point structure, shared small volume, one end diameter that power transmission shaft 2 is provided with the sector structure that coordinates with first " taper " bootstrap block 4 and power transmission shaft 2 nearly knife rests 1 is less than the diameter of blind hole 3, therefore, as long as power transmission shaft 2 is put into blind hole 3, power transmission shaft 2 inserts gradually blind hole 3 bottoms under the guiding of first " taper " bootstrap block 4, without deliberately aiming at, more convenient, power transmission shaft 2 insert blind hole 3 interior after, the two ends of sector structure snap in respectively between adjacent two first " taper " bootstrap blocks 4, realize the circumferentially spacing of cutter setting frame 1, are with movable knife rack 1 rotation to carry out cutwork under the cooperation of transmission device, prevent that power transmission shaft 2 is in the interior rotation of blind hole 3, structure is simpler.
Described first " taper " bootstrap block 4 is connected with knife rest 1 integral type, makes first " taper " bootstrap block 4 in the time that power transmission shaft 2 is with movable knife rack 1 to rotate, be not easy damage or drop, and connects more firm.
One end of described sector structure is provided with second " taper " bootstrap block 5 coordinating with first " taper " bootstrap block 4, sector structure is provided with one end of second " taper " bootstrap block 5 higher than the other end of sector structure, and second " taper " bootstrap block 5 coordinates power transmission shaft 2 can be inserted in blind hole 3 more quickly with first " taper " bootstrap block 4, make power transmission shaft 2 and knife rest 1 easy to connect, and structure is simpler.
Described blind hole 3 is frustum cone structure, one end diameter of the nearly power transmission shaft 2 of round platform is greater than one end diameter of round platform away from power transmission shaft 2, one end of the nearly power transmission shaft 2 of round platform is connected by chamfered transition away from one end of power transmission shaft 2 with round platform, the aligning blind hole 3 that frustum cone structure can be more prone to power transmission shaft 2, under the effect of inclined-plane and first " taper " bootstrap block 4, take advantage of a situation and be inserted into blind hole 3 bottoms, complete connection, and then make power transmission shaft 2 and knife rest 1 easy to connect, smooth and easy.
The nearly knife rest of described power transmission shaft 21 middle part, one end is provided with cylindrical guide pillar 6, and cylindrical guide pillar 6 is positioned at the center of blind hole 3 after power transmission shaft 2 inserts knife rest 1, has the effect of axial lead.
Above the utility model and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this.If generally speaking those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (5)
1. a power-driven sharpener, it comprises body, in body, be provided with knife rest (1), power transmission shaft (2), transmission mechanism and motor, knife rest (1) one end is connected with one end of power transmission shaft (2), the other end of power transmission shaft (2) is connected with motor by transmission mechanism, it is characterized in that: knife rest (1) is pegged graft with power transmission shaft (2), one end end face of the nearly power transmission shaft (2) of knife rest (1) is provided with blind hole (3), circumferentially uniform at least two first " taper " bootstrap blocks (4) of edge, blind hole (3) bottom; One end diameter of the nearly knife rest (1) of described power transmission shaft (2) is less than the diameter of blind hole (3), the nearly knife rest (1) of power transmission shaft (2) end, one end is to coordinate the sector structure of pegging graft with first " taper " bootstrap block (4), and the two ends that power transmission shaft (2) inserts the rear sector structure of blind hole (3) lay respectively between two adjacent first " taper " bootstrap blocks (4).
2. a kind of power-driven sharpener according to claim 1, is characterized in that: described first " taper " bootstrap block (4) is connected with knife rest (1) integral type.
3. a kind of power-driven sharpener according to claim 1, is characterized in that: one end of described sector structure is provided with second " taper " bootstrap block (5) coordinating with first " taper " bootstrap block (4).
4. a kind of power-driven sharpener according to claim 1, it is characterized in that: described blind hole (3) is frustum cone structure, one end diameter of the nearly power transmission shaft of round platform (2) is greater than one end diameter of round platform away from power transmission shaft (2), and one end of the nearly power transmission shaft of round platform (2) is connected by chamfered transition away from one end of power transmission shaft (2) with round platform.
5. a kind of power-driven sharpener according to claim 1, is characterized in that: middle part, the nearly knife rest (1) of described power transmission shaft (2) one end is provided with cylindrical guide pillar (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420013914.7U CN203666216U (en) | 2014-01-09 | 2014-01-09 | Electric pencil sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420013914.7U CN203666216U (en) | 2014-01-09 | 2014-01-09 | Electric pencil sharpener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203666216U true CN203666216U (en) | 2014-06-25 |
Family
ID=50962544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420013914.7U Expired - Lifetime CN203666216U (en) | 2014-01-09 | 2014-01-09 | Electric pencil sharpener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203666216U (en) |
-
2014
- 2014-01-09 CN CN201420013914.7U patent/CN203666216U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |