CN202186203U - Electric pencil sharpener - Google Patents
Electric pencil sharpener Download PDFInfo
- Publication number
- CN202186203U CN202186203U CN2011202157396U CN201120215739U CN202186203U CN 202186203 U CN202186203 U CN 202186203U CN 2011202157396 U CN2011202157396 U CN 2011202157396U CN 201120215739 U CN201120215739 U CN 201120215739U CN 202186203 U CN202186203 U CN 202186203U
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- switch
- short
- push rod
- spring
- transmission push
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Abstract
An electric pencil sharpener comprises a three-in-one mechanism integrating automatic stopping, resetting and broken lead discharging, which comprises a switch base (11), a stopping switch (10) and a switch transmission push rod (8). A long cylindrical rod and two short cylindrical rods are arranged at the lower end of the switch transmission push rod (8), and each cylindrical rod is inserted into a corresponding hole arranged in the switch base (11). The electric pencil sharpener is characterized in that two springs (9) are sleeved on the two short cylindrical rods at the lower end of a T-shaped flat crossbeam on the switch transmission push rod (8) respectively, radial protruded rings used for supporting the springs (9) are arranged in slots on the switch base (11) corresponding to the two short cylindrical rods, the bore diameter of each protruded ring is larger than the diameter of each short cylindrical rod and smaller than that of each spring (9), the top ends of the springs (9) are abutted to the crossbeams of the short cylindrical rods, and the bottom ends of the springs (9) are abutted to the upper end faces of the radial protruded rings. The electric pencil sharpener can effectively solve the technical problem that microswitches of existing electric pencil sharpeners are short in service lives.
Description
Technical field
The utility model relates to a kind of electric pencil planer, specifically be a kind of electric pencil planer of finger device on electric pencil planer autostop with reset and disconnected core is got rid of mechanism.。
Background technology
Electric pencil planer is claimed an electronic volume machine again, is a kind of electronic stationery of being made planetary motion milling pencil by the motor-driven hobboing cutter, and the electric pencil planer of prior art is to carry the electronic spoke shave movement of standard of packing in the housing at the pencil-knife that is designed to various moulding to process; When cutting, pencil inserted cut pen mouthful, electric pencil planer can the milling automatic pencil; But when cut, only cut the time, during down to actual the use with user's feel or estimation volume; Cutting the author needs to extract pencil out inspection repeatedly; In addition in cutting a process automatically when pencil pen core occurs and fractures, disconnected core causes machine stuck easily, and disconnected core is difficult for taking out.
To above technical problem; At present; Prior art has a kind of autostop of electric pencil planer and resets and disconnected core eliminating mechanism; Granted publication is number for the utility model of CN201559454U promptly is the patent about the type instrument that the applicant has authorized, it disclose a kind of electric pencil planer autostop, reset and disconnected core is got rid of mechanism, this mechanism comprises switch base, halt switch, push rod, a resistance piece and electronic spoke shave movement; The front end of described switch base is provided with the countersunk head step through-hole, open rearward end, and inside is provided with chamber, the guiding blind hole that cooperates said push rod guide post of settling said halt switch, the thin wall cylindrical shape member that passes the through hole of stock; Described halt switch is miniature from resetting the touching button switch; Described push rod is the engineering plastics member; Member is provided with the flat crossbeam of T font; The front of circular-arc horizontal shoulder two ends of T word is respectively equipped with short guide cylinder bar; The front of the pin portion termination of T word is provided with long columniform stock, and the axis of one long two short three cylindrical bars is parallel to each other, and the back at the flat crossbeam of T font center is provided with a columniform short feeler lever; The axis of short feeler lever is the central axis of push rod, and is parallel to each other with the axis of above-mentioned one long two short three cylindrical bars; A said resistance piece is the step blocks that engineering plastics are processed; Described electronic spoke shave movement is served as reasons and is cut the electronic spoke shave movement of standard of a mouthpart, hobboing cutter, motor, starting switch, train of reduction gears, internal tooth composition, and the front end of wherein cutting a mouthpart has additional the chute that cooperates a said resistance piece to seesaw; Each parts mutual alignment and annexation do, the touching button of halt switch is packed in the switch base backwards, and pin is with normally closed wiring and motor circuit polyphone; One long two short three cylindrical bars of push rod front insert respectively in the hole separately that is provided with in the switch base; The front end of the stock of push rod passes from the through hole of switch base; And the front end face that exposes switch base; The pin portion front of the flat crossbeam of T font of push rod contacts with the touching button of halt switch, and touching button is in unfolds state, has more than formed mechanism assembly; A resistance piece places a chute of mouthpart front end of cutting of electronic spoke shave movement; When using assembling, carry the electronic spoke shave movement of packing in the housing at pencil-knife by routine; Mechanism assembly is fixed in a front end of mouthpart chute mouth of cutting of electronic spoke shave movement, and the short feeler lever of the push rod back of mechanism assembly slides to insert and cuts in the mouthpart chute mouth and contact with a resistance piece in the chute; Row's core connecting rod that contacts with the push rod stock of the front end face that exposes switch base of device in carrying housing.
After actual the use; Though the applicant finds that above-mentioned utility model has effectively overcome propelling pencil and dug in cutting a process automatically when pencil pen core occurs and fractures; Disconnected core causes machine stuck easily, and the difficult technical problem of taking out of disconnected core, but still there is following weak point in it in practical application: this mechanism resetting of mechanism in operation relies on the reseting elasticity of halt switch touching button fully; Cause the halt switch touching button to be used by transition, shorten the service life of mechanism.
Summary of the invention
The autostop that the utility model provides a kind of improved electric pencil planer with reset and disconnected core is got rid of mechanism, with the autostop that solves existing electric pencil planer with reset and disconnected core is got rid of mechanism's halt switch touching button and used the technical problem that causes mechanism's lost of life by transition.
For solving the problems of the technologies described above; The technical scheme that the utility model provides is: a kind of electric pencil planer, and comprise autostop, reset and Trinity formula mechanism that disconnected core is got rid of, this mechanism comprises switch base, halt switch and switch transmission push rod; Described switch transmission push rod is the engineering plastics member; Member is provided with the flat crossbeam of T font, and the lower end at circular-arc horizontal shoulder two of T word is respectively equipped with short guide cylinder bar, and the lower end of the pin portion termination of the flat crossbeam of T font is provided with long cylindrical bar; And the axis of one long two short three cylindrical bars is parallel to each other; The upper end at the flat crossbeam of T font center is provided with a cylindrical short feeler lever, and the axis of short feeler lever is the central axis of switch transmission push rod, and is parallel to each other with the axis of above-mentioned one long two short three cylindrical bars; One long two short three cylindrical bars of switch transmission push rod lower end insert respectively in the hole separately that is provided with in the switch base; The front end of the stock of the flat crossbeam of T font passes from the through hole of switch base on the switch transmission push rod; And the front end face that exposes switch base; The pin portion front of the flat crossbeam of T font of switch transmission push rod contacts with the touching button of halt switch; Touching button is in unfolds state, it is characterized in that: be with spring respectively on two short cylindrical bars of the flat crossbeam of T font lower end on the switch transmission push rod, be provided with the radial convex loop that is used for support spring in the jack of corresponding two short cylindrical bars on the switch base; The aperture of radial convex loop is greater than the diameter of short cylindrical bar, less than the diameter of spring; The top of spring is against on the crossbeam of short cylindrical bar, and the bottom of spring is against on the upper surface of radial convex loop.
As preferably, the first lap of spring and the diameter of last lap are less than the diameter of other circle of spring, and this structure can make spring that deflection does not take place at work, to guarantee the steady operation of mechanism.
As preferably, height is between 7～10mm under the spring nature, and this structure does not influence switch transmission push rod position when can make spring keep best elastic force.
Can find out according to such scheme and the utlity model has following advantage: on the cylindrical bar of two weak points in transmission push rod lower end, increase special spring respectively; The autostop of electric pencil planer with reset and disconnected core is got rid of mechanism's bounce that resets through spring of running part in operation and realized; No longer rely on the reseting elasticity of halt switch touching button; Alleviate the live load of halt switch touching button greatly, efficiently solved the autostop and the technical problem that resets and disconnected core eliminating mechanism halt switch touching button is used by transition of existing electric pencil planer.
Description of drawings
Fig. 1 be the utility model electric pencil planer autostop with reset and disconnected core is got rid of the assembling sketch map of mechanism.
Fig. 2 be the utility model electric pencil planer autostop with reset and disconnected core is got rid of the structural representation of mechanism.
Shown in the figure: 1, gear, 2, cutter shaft, 3, knife rest, 4, hobboing cutter, 5, a resistance piece, 6, support gear, 7, wear-resistant sleeve, 8, switch transmission push rod, 9, spring, 10, halt switch, 11, switch base.
The specific embodiment
Elaborate below in conjunction with the specific embodiment of accompanying drawing to the utility model.
A kind of electric pencil planer comprises autostop, resets and Trinity formula mechanism that disconnected core is got rid of, and this mechanism comprises switch base 11, halt switch 10, switch transmission push rod 8, a resistance piece 5 and electronic spoke shave movement again; The front end of said switch base 11 is provided with the countersunk head step through-hole, open rearward end, and inside is provided with chamber, the guiding blind hole that cooperates said push rod guide post of settling said halt switch, the thin wall cylindrical shape member that passes the through hole of stock; Described halt switch 10 is the miniature touching button switch that resets certainly; Described switch transmission push rod 8 is the engineering plastics member; Member is provided with the flat crossbeam of T font; The lower end at circular-arc horizontal shoulder two of T word is respectively equipped with short guide cylinder bar; The lower end of the pin portion termination of the flat crossbeam of T font is provided with long cylindrical bar, and the axis of one long two short three cylindrical bars is parallel to each other, and the upper end at the flat crossbeam of T font center is provided with a cylindrical short feeler lever; The axis of short feeler lever is the central axis of switch transmission push rod 8, and is parallel to each other with the axis of above-mentioned one long two short three cylindrical bars; The step blocks that a said resistance piece 5 is processed for engineering plastics; Described electronic spoke shave movement is served as reasons and is cut the electronic spoke shave movement of standard of a mouthpart, hobboing cutter, motor, starting switch, train of reduction gears, internal tooth composition, and the front end of wherein cutting a mouthpart has additional the chute that cooperates a said resistance piece 5 to seesaw; Each parts mutual alignment and annexation do, the touching button of halt switch 10 is packed in the switch base up, and pin is with normally closed wiring and motor circuit polyphone; One long two short three cylindrical bars of switch transmission push rod 8 lower ends insert respectively in the hole separately that is provided with in the switch base; The front end of the stock of the flat crossbeam of T font passes from the through hole of switch base 11 on the switch transmission push rod 8; And the front end face that exposes switch base; The pin portion bottom surface of the flat crossbeam of T font of switch transmission push rod 8 contacts with the touching button of halt switch 10, and touching button is in unfolds state, has more than formed mechanism assembly; A resistance piece 5 places a chute of mouthpart front end of cutting of electronic spoke shave movement; When using assembling, carry the electronic spoke shave movement of packing in the housing at pencil-knife by routine; Mechanism assembly is fixed in a front end of mouthpart chute mouth of cutting of electronic spoke shave movement, and the short feeler lever of switch transmission push rod 8 upper ends of mechanism assembly slides to insert and cuts in the mouthpart chute mouth and contact with a resistance piece in the chute; Row's core connecting rod that contacts with the push rod stock of the front end face that exposes switch base of device in carrying housing.The complete machine structure is added the electric pencil planer that shell body constitutes the utility model together.
By accompanying drawing provide the utility model be at electric pencil planer autostop, reset and the switch transmission push rod 8 of the Trinity formula mechanism that disconnected core is got rid of on be with spring 9 respectively on two short cylindrical bars of the flat crossbeam of T font lower end, be provided with the radial convex loop that is used for support spring 9 in the jack of corresponding two short cylindrical bars on the switch base 11; The aperture of radial convex loop is greater than the diameter of short cylindrical bar, less than the diameter of spring 9; The top of spring 9 is against on the crossbeam of short cylindrical bar, and the bottom of spring 9 is against on the upper surface of radial convex loop.The first lap of spring 9 and the diameter of last lap are less than the diameter of spring 9 other circles; Height is between 7～10mm under the spring nature; First lap can adopt 1.65mm with the diameter of last circle during practical implementation; Loop diameter except that first lap and last lap can adopt 2.8mm, and height can adopt 8.25mm under the spring nature.
The operation principle of the utility model is: when cutting, pencil inserted cut in the pen mouthful, be positioned at the start switch motor circuit of cutting a metastomium porch, motor drives hobboing cutter milling pencil through train of reduction gears; When pencil sharper was good, the pen core point touched a resistance piece 5 under the gravity effect, and a resistance piece 5 touches the halt switch touching button through switch transmission push rod 8, the Pencil planer autostop, and a resistance piece 5 produces downward moving with switch transmission push rod 8 under the effect of pen core gravity simultaneously; When the pencil that will cut is extracted out from cut the pen mouth; The pressure of the spring 9 on the two short cylindrical bars in switch transmission push rod 8 lower ends is released; The reseting elasticity of the spring 9 pull switch transmission push rod that makes progress sets back a switch transmission push rod 8 and a resistance piece 5, simultaneously the motor circuit closed reduction; When the pen core that breaks down fractures; Under action of centrifugal force; Disconnected core can throw away from forward tip of cutting pen mouthful inner chamber and the chip removal mouth place that the hobboing cutter tangent plane is provided with automatically; When special circumstances can not throw away, can push away snapping in the disconnected core of cutting in the pen mouth through the stock end that is exposed at switch base with hand propelled switch transmission push rod outward.
Claims (3)
1. electric pencil planer; Comprise autostop, reset and Trinity formula mechanism that disconnected core is got rid of; This mechanism comprises switch base (11), halt switch (10) and switch transmission push rod (8), and described switch transmission push rod (8) is the engineering plastics member, and member is provided with the flat crossbeam of T font; The lower end at circular-arc horizontal shoulder two of T word is respectively equipped with short guide cylinder bar; The lower end of the pin portion termination of the flat crossbeam of T font is provided with long cylindrical bar, and the axis of one long two short three cylindrical bars is parallel to each other, and the upper end at the flat crossbeam of T font center is provided with a cylindrical short feeler lever; The axis of short feeler lever is the central axis of switch transmission push rod (8), and is parallel to each other with the axis of above-mentioned one long two short three cylindrical bars; One long two short three cylindrical bars of switch transmission push rod (8) lower end insert respectively in the hole separately that is provided with in the switch base; The front end of the stock of the last flat crossbeam of T font of switch transmission push rod (8) passes from the through hole of switch base (11); And the front end face that exposes switch base; The pin portion bottom surface of the flat crossbeam of T font of switch transmission push rod (8) contacts with the touching button of halt switch (10); Touching button is in unfolds state, it is characterized in that: be with spring (9) respectively on two short cylindrical bars of the last flat crossbeam of the T font lower end of switch transmission push rod (8), be provided with the radial convex loop that is used for support spring (9) in the jack of the upward corresponding two short cylindrical bars of switch base (11); The aperture of radial convex loop is greater than the diameter of short cylindrical bar, less than the diameter of spring (9); The top of spring (9) is against on the crossbeam of short cylindrical bar, and the bottom of spring (9) is against on the upper surface of radial convex loop.
2. according to the said electric pencil planer of claim 1, it is characterized in that: the first lap of spring (9) and the diameter of last lap are less than the diameter of other circle of spring (9).
3. according to the said electric pencil planer of claim 1, it is characterized in that: height is between 7～10mm under spring (9) nature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202157396U CN202186203U (en) | 2011-06-24 | 2011-06-24 | Electric pencil sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202157396U CN202186203U (en) | 2011-06-24 | 2011-06-24 | Electric pencil sharpener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202186203U true CN202186203U (en) | 2012-04-11 |
Family
ID=45917672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202157396U Expired - Fee Related CN202186203U (en) | 2011-06-24 | 2011-06-24 | Electric pencil sharpener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202186203U (en) |
-
2011
- 2011-06-24 CN CN2011202157396U patent/CN202186203U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120411 Termination date: 20140624 |
|
| EXPY | Termination of patent right or utility model |