CN203888491U - Electric pencil sharpener - Google Patents
Electric pencil sharpener Download PDFInfo
- Publication number
- CN203888491U CN203888491U CN201420342493.2U CN201420342493U CN203888491U CN 203888491 U CN203888491 U CN 203888491U CN 201420342493 U CN201420342493 U CN 201420342493U CN 203888491 U CN203888491 U CN 203888491U
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- conducting strip
- knife rest
- pencil
- switch assembly
- thing
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Abstract
The utility model relates to an electric pencil sharpener and belongs to the technical field of planing devices. The electric pencil sharpener comprises a body, a motor, a transmission assembly, a cutting assembly and a tool carrier and further comprises a circuit control device. The circuit control device comprises a first switch assembly and a second switch assembly. The motor, the first switch assembly and the second switch assembly are connected in series through wires. The first switch assembly is installed at a pencil extending inlet, and the second switch assembly is installed above the motor. A U-shaped elastic piece is arranged in the pencil extending inlet and used for controlling the first switch assembly to be opened or closed. The two switch assemblies are arranged, by the adoption of the level principle, in cooperation with plastic, the length of a conducting strip is reduced, and therefore reliability is improved. In addition, when sharpness reaches a certain standard, the second switch assembly is disconnected, and planing is stopped.
Description
Technical field
The utility model relates to a kind of planing device, relates more specifically to a kind of electric pencil-sharpening unit of being fined away in the end of lip pencil thing.
Background technology
When existing general electric pencil-sharpening unit is fined away at the lip pencil thing to pencil and so on, often only with user feel judge whether to fine away, the easy so sharp degree of lip pencil thing that causes is planed not or is planed excessively, the former sharp degree planing need to again be placed in lip pencil thing not in Knife for stripping cable and continue to plane again, virtually time consumption and energy consumption; And the planing of the latter's lip pencil thing excessively, easily cause pen core to disconnect or strengthen its consumptive material.When existing electric pencil-sharpener is fined away in addition, ubiquity can not regulate the thickness of the lip pencil thing of pencil and so on, and often the sensation with user judges thickness.Meanwhile, the positive and negative conducting strip on existing electric pencil-sharpening unit is generally longer, uses after a period of time, and conducting strip is often pressed easily to deform afterwards, causes positive and negative conducting strip loose contact, and reliability reduces.
Therefore, being necessary to provide a kind of guarantees that sharp degree reaches and automatically stops the electric pencil-sharpener that planing and contact switch have more reliability after certain standard.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of and guarantee that sharp degree reaches and automatically stop the electric pencil-sharpener that planing and contact switch have more reliability after certain standard.
Technical solution adopted in the utility model is: a kind of electric pencil-sharpening unit, comprise body, motor, transmission component, cutting assembly and knife rest, described knife rest offers the planing chamber of stretching into for lip pencil thing, described cutting assembly is fixed on knife rest and cutting blade stretches in described planing chamber lip pencil thing is planed, described knife rest is vertically arranged on body, bodies top directly over knife rest is provided with lip pencil thing and stretches into mouth, and knife rest is through transmission component and motor interlock; Electric pencil-sharpening unit also comprises circuit control device, circuit control device comprises the first switch module and second switch assembly, motor, the first switch module, second switch assembly are connected in series through wire, and the first switch module is arranged on lip pencil thing and stretches porch, and second switch assembly is arranged on motor top; Lip pencil thing stretches into mouth and is provided with the unlatching of control the first switch module or the U-shaped shell fragment of closing.
The first described switch module comprises the first conducting strip, the second conducting strip, and the first conducting strip and the second conducting strip are positioned at the side that lip pencil thing stretches into mouth, and the second conducting strip is zigzag, and the free end of the second conducting strip faces the side of the first conducting strip.
Described U-shaped shell fragment is comprised of left holder and right holder, on left holder and right holder, be equipped with Non-slip material, left holder is connected with right holder afterbody and reverses and forms an annular cover, body interior is provided with a limited post in the annular cover corresponding position, position of U-shaped shell fragment, U-shaped shell fragment is enclosed within on limited post by annular cover, between left holder and right holder, form lip pencil thing clamp port, clamp port is positioned at the below that lip pencil thing stretches into mouth; The gap size of clamp port is less than the diameter of lip pencil thing.
Also comprise the first conducting strip and the second conducting strip, left holder and body are fixedly linked, and the free end of right holder connects a pushing block, and pushing block and the second conducting strip are inconsistent, and right holder can drive the second conducting strip close to the first conducting strip.
Described transmission component comprises gear train, rotation seat is installed, gear train is respectively at motor and rotation seat gear engagement interlock is installed, install to rotate be positioned at knife rest under, rotation seat is installed and is provided with cross bore, knife rest lower end is provided with the cross matching with cross bore, the lower end of knife rest is plugged on installs on rotation seat, and knife rest circumferentially links with installation rotation seat; The cross bore that rotation seat is installed vertically connects setting, and the cross of knife rest lower end is provided with through hole and communicates with the planing chamber of knife rest, in the cross bore of installation rotation seat, is provided with the thimble that can move up and down, and thimble upper end communicates with planing chamber.
Described second switch assembly comprises the 3rd conducting strip, the 4th conducting strip, push rod, swing arm, the 3rd conducting strip is positioned at the 4th conducting strip top, push rod vertically arranges, the upper end of push rod is fixed on the 3rd conducting strip, the lower end of push rod is connected with one end of swing arm, and the middle part of swing arm is hinged on body.
Also comprise thimble, the other end of swing arm is connected with the lower end of thimble.
Described body bottom is provided with battery cover, and the inner of battery cover is hinged with the cavity wall that holds battery.
The beneficial effects of the utility model are: the utility model electric pencil-sharpening unit, be provided with two switch modules, adopt the principle of lever to coordinate plastics to shorten in the future the length of conducting strip, improve reliability, and after sharp degree reaches certain standard, second switch assembly disconnects, and stops the advantages such as planing.
Accompanying drawing explanation
Fig. 1 is that the utility model removes waste material and topples over the schematic diagram while covering.
Fig. 2 is that the utility model removes waste material and topples over lid and schematic diagram during knife rest.
Fig. 3 is that the utility model knife rest and lip pencil thing are in conjunction with schematic diagram.
Fig. 4 is the utility model cross-sectional schematic.
Fig. 5 is that the utility model removes schematical top view.
Fig. 6 is the utility model private side view.
In figure, 1, body, 1.1, lip pencil thing stretches into mouth, 1.2, limited post, 2, motor, 3.1, gear train, 3.2, rotation seat is installed, 3.2.1, cross bore, 4, cutting assembly, 5, knife rest, 5.1, cross, 6, lip pencil thing, 7.1, the first conducting strip, the 7.2, second conducting strip, 8.1, left holder, 8.2, right holder, 8.3, Non-slip material, 8.4, annular cover, 8.5, clamp port, 8.6, pushing block, 9.1, the 3rd conducting strip, the 9.2, the 4th conducting strip, 9.3, push rod, 9.4, swing arm, 9.5, thimble.
The specific embodiment
Shown in Fig. 1-Fig. 6, a kind of electric pencil-sharpening unit, comprise body 1, motor 2, transmission component, cutting assembly 4 and knife rest 5, described knife rest 5 offers the planing chamber of stretching into for lip pencil thing 6, described cutting assembly 4 is fixed on knife rest 5 and cutting blade stretches in described planing chamber lip pencil thing 6 is planed, described knife rest 5 is vertically arranged on body 1, body 1 top directly over knife rest 5 is provided with lip pencil thing and stretches into mouth 1.1, knife rest 5 is through transmission component and motor 2 interlocks, electric pencil-sharpening unit also comprises circuit control device, circuit control device comprises the first switch module and second switch assembly, motor 2, the first switch module, second switch assembly is connected in series through wire, the first switch module is arranged on lip pencil thing and stretches into mouthful 1.1 places, second switch assembly is arranged on motor 2 tops, lip pencil thing stretches in mouth 1.1 and is provided with and controls the unlatching of the first switch module or the U-shaped shell fragment of closing.In body 1, be also provided with battery installation cavity, in installation cavity, be provided with battery, by wire, be electrically connected to motor 2.Body 1 bottom is provided with battery cover, and the inner of battery cover is hinged with the cavity wall that holds battery, prevents that battery cover from dropping.
The first described switch module comprises the first conducting strip 7.1, the second conducting strip 7.2, the first conducting strip 7.1 and the second conducting strip 7.2 are positioned at the side that lip pencil thing stretches into mouth 1.1, the second conducting strip 7.2 is zigzag, and the free end of the second conducting strip 7.2 faces the side of the first conducting strip 7.1.
Described U-shaped shell fragment is comprised of left holder 8.1 and right holder 8.2, on left holder 8.1 and right holder 8.2, be equipped with Non-slip material 8.3, left holder 8.1 is connected with right holder 8.2 afterbodys and reverses and forms an annular cover 8.4, body 1 inside is overlapped 8.4 corresponding positions, position in the annular of U-shaped shell fragment and is provided with a limited post 1.2, and U-shaped shell fragment overlaps 8.4 by annular and is enclosed within on limited post 1.2; Between left holder 8.1 and right holder 8.2, form the clamp port 8.5 of lip pencil thing 6, clamp port 8.5 is positioned at the below that lip pencil thing stretches into mouth 1.1; The gap size of clamp port 8.5 is less than the diameter of lip pencil thing 6.
Left holder 8.1 is fixedly linked with body 1, and the free end of right holder 8.2 connects a pushing block 8.6, and pushing block 8.6 and the second conducting strip 7.2 are inconsistent, and right holder 8.2 can drive the second conducting strip 7.2 close to the first conducting strip 7.1.
Described transmission component comprises gear train 3.1, rotation seat 3.2 is installed, gear train 3.1 is respectively at motor 2 and rotation seat 3.2 gear engagement interlocks are installed, install and rotate seat 3.2 under knife rest 5, rotation seat 3.2 is installed and is provided with cross bore 3.2.1, knife rest 5 lower ends are provided with the cross 5.1 matching with cross bore 3.2.1, the lower end of knife rest 5 is plugged on installs on rotation seat 3.2, knife rest 5 circumferentially links with installation rotation seat 3.2, cross connects realizes circumferentially rotation, has greatly improved the reliability of transmission; The cross bore 3.2.1 that rotation seat 3.2 is installed vertically connects setting, the cross 5.1 of knife rest 5 lower ends is provided with through hole and communicates with the planing chamber of knife rest 5, in the cross bore 3.2.1 of installation rotation seat 3.2, be provided with the thimble 9.5 that can move up and down, thimble 9.5 upper ends communicate with planing chamber.
Described second switch assembly comprises the 3rd conducting strip 9.1, the 4th conducting strip 9.2, push rod 9.3, swing arm 9.4, the 3rd conducting strip 9.1 is positioned at the 4th conducting strip 9.2 tops, push rod 9.3 vertically arranges, the upper end of push rod 9.3 is fixed on the 3rd conducting strip 9.1, the lower end of push rod 9.3 is connected with one end of swing arm 9.4, and the middle part of swing arm 9.4 is hinged on body 1.
Also comprise thimble 9.5, the other end of swing arm 9.4 is connected with the lower end of thimble 9.5.
During the utility model original state, connection or position relationship between each critical piece are as follows, and as shown in Figure 5, the first conducting strip 7.1 does not have the free end contact of the second conducting strip 7.2; Shown in Fig. 4, the 3rd conducting strip 9.1 and the 4th conducting strip 9.2 are in contact with one another, and the 3rd conducting strip 9.1 does not contact with the push rod 10.3 of push switch 10, and the lower end of thimble 9.5 contacts with swing arm 9.4.
Operation principle of the present utility model is: the lip pencil thing that lip pencil thing 6 is inserted to body 1 stretches into mouth 1.1, lip pencil thing 6 passes from the clamp port 8.5 of U-shaped shell fragment, because the diameter of lip pencil thing 6 is greater than the gap of clamp port 8.5, so lip pencil thing 6 is pushed right holder 8.2 open, the pushing block 8.6 being connected with right holder 8.2 drives the second conducting strip 7.2 close to the first conducting strip 7.1, the free end of the second conducting strip 7.2 contacts with the first conducting strip 7.1, circuit is connected, motor 2 is started working, through gear train 3.1, drive rotation seat 3.2 rotations are installed, rotation seat 3.2 band movable knife rack 5 rotations are installed, start lip pencil thing 6 to cut, lip pencil thing 6 is clamped by left holder 8.1 and right holder 8.2, can prevent that lip pencil thing 6 from rotating.Along with the end of lip pencil thing 6 is cut thinner and thinner, lip pencil thing 6 moving downward slowly, the pencil-lead of lip pencil thing 6 ends can push up thimble 9.5 downwards, thimble 9.5 moves downward, top is to one end of swing arm 9.4, the other end of swing arm 9.4 is sticked up, this end that swing arm 9.4 sticks up drives push rod 9.3 to move upward, push rod 9.3 moves upward and drives separated the 4th conducting strip 9.2 of the 3rd conducting strip 9.1, circuit disconnects, motor 2 quits work, and stock removal action stops, and completes and has cut rear automatic hold function; Extract lip pencil thing 6 out, push rod 9.3 is return under Action of Gravity Field.
Claims (8)
1. an electric pencil-sharpening unit, comprise body (1), motor (2), transmission component, cutting assembly (4) and knife rest (5), described knife rest (5) offers the planing chamber of stretching into for lip pencil thing (6), described cutting assembly (4) is fixed on the upper and cutting blade of knife rest (5) and stretches in described planing chamber lip pencil thing (6) is planed, described knife rest (5) is vertically arranged on body (1), body (1) top directly over knife rest (5) is provided with lip pencil thing and stretches into mouthful (1.1), knife rest (5) is through transmission component and motor (2) interlock, it is characterized in that: electric pencil-sharpening unit also comprises circuit control device, circuit control device comprises the first switch module and second switch assembly, motor (2), the first switch module, second switch assembly is connected in series through wire, the first switch module is arranged on lip pencil thing and stretches into mouthful (1.1) and locate, second switch assembly is arranged on motor (2) top, lip pencil thing stretches into mouthful (1.1) and is provided with the U-shaped shell fragment of controlling the first switch module unlatching or closing.
2. electric pencil-sharpening unit according to claim 1, it is characterized in that: the first described switch module comprises the first conducting strip (7.1), the second conducting strip (7.2), the first conducting strip (7.1) and the second conducting strip (7.2) are positioned at the side that lip pencil thing stretches into mouthful (1.1), the second conducting strip (7.2) is zigzag, and the free end of the second conducting strip (7.2) faces the side of the first conducting strip (7.1).
3. electric pencil-sharpening unit according to claim 1, it is characterized in that: described U-shaped shell fragment is comprised of left holder (8.1) and right holder (8.2), on left holder (8.1) and right holder (8.2), be equipped with Non-slip material (8.3), left holder (8.1) is connected with right holder (8.2) afterbody and reverses and forms an annular cover (8.4), body (1) is inner is provided with a limited post (1.2) in annular cover (8.4) corresponding position, position of U-shaped shell fragment, and U-shaped shell fragment overlaps (8.4) by annular and is enclosed within on limited post (1.2); Between left holder (8.1) and right holder (8.2), form the clamp port (8.5) of lip pencil thing (6), clamp port (8.5) is positioned at the below that lip pencil thing stretches into mouthful (1.1); The gap size of clamp port (8.5) is less than the diameter of lip pencil thing (6).
4. electric pencil-sharpening unit according to claim 3, it is characterized in that: also comprise the first conducting strip (7.1) and the second conducting strip (7.2), left holder (8.1) is fixedly linked with body (1), the free end of right holder (8.2) connects a pushing block (8.6), pushing block (8.6) is inconsistent with the second conducting strip (7.2), and right holder (8.2) can drive the second conducting strip (7.2) close to the first conducting strip (7.1).
5. electric pencil-sharpening unit according to claim 1, it is characterized in that: described transmission component comprises gear train (3.1), rotation seat (3.2) is installed, gear train (3.1) is respectively at motor (2) and rotation seat (3.2) gear engagement interlock is installed, install and rotate seat (3.2) under knife rest (5), rotation seat (3.2) is installed and is provided with cross bore (3.2.1), knife rest (5) lower end is provided with the cross (5.1) matching with cross bore (3.2.1), the lower end of knife rest (5) is plugged on installs on rotation seat (3.2), knife rest (5) circumferentially links with installation rotation seat (3.2), the vertical perforation of cross bore (3.2.1) that rotation seat (3.2) is installed arranges, the cross (5.1) of knife rest (5) lower end is provided with through hole and communicates with the planing chamber of knife rest (5), in the cross bore (3.2.1) of installation rotation seat (3.2), be provided with the thimble (9.5) that can move up and down, thimble (9.5) upper end communicates with planing chamber.
6. electric pencil-sharpening unit according to claim 1, it is characterized in that: described second switch assembly comprises the 3rd conducting strip (9.1), the 4th conducting strip (9.2), push rod (9.3), swing arm (9.4), the 3rd conducting strip (9.1) is positioned at the 4th conducting strip (9.2) top, push rod (9.3) vertically arranges, the upper end of push rod (9.3) is fixed on the 3rd conducting strip (9.1), the lower end of push rod (9.3) is connected with one end of swing arm (9.4), and the middle part of swing arm (9.4) is hinged on body (1).
7. electric pencil-sharpening unit according to claim 6, is characterized in that: also comprise thimble (9.5), the other end of swing arm (9.4) is connected with the lower end of thimble (9.5).
8. electric pencil-sharpening unit according to claim 1, is characterized in that: described body (1) bottom is provided with battery cover, and the inner of battery cover is hinged with the cavity wall that holds battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420342493.2U CN203888491U (en) | 2014-06-17 | 2014-06-17 | Electric pencil sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420342493.2U CN203888491U (en) | 2014-06-17 | 2014-06-17 | Electric pencil sharpener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203888491U true CN203888491U (en) | 2014-10-22 |
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ID=51714937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420342493.2U Active CN203888491U (en) | 2014-06-17 | 2014-06-17 | Electric pencil sharpener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203888491U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160922A (en) * | 2017-07-06 | 2017-09-15 | 无锡市南长实验中学 | A kind of pencil sharpener with clearing function |
| CN107175973A (en) * | 2017-07-06 | 2017-09-19 | 无锡市南长实验中学 | A kind of pencil sharpener with automatic clearing function |
-
2014
- 2014-06-17 CN CN201420342493.2U patent/CN203888491U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160922A (en) * | 2017-07-06 | 2017-09-15 | 无锡市南长实验中学 | A kind of pencil sharpener with clearing function |
| CN107175973A (en) * | 2017-07-06 | 2017-09-19 | 无锡市南长实验中学 | A kind of pencil sharpener with automatic clearing function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |