CN210190972U - Core breaking preventing device of pencil sharpener - Google Patents
Core breaking preventing device of pencil sharpener Download PDFInfo
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- CN210190972U CN210190972U CN201920646327.4U CN201920646327U CN210190972U CN 210190972 U CN210190972 U CN 210190972U CN 201920646327 U CN201920646327 U CN 201920646327U CN 210190972 U CN210190972 U CN 210190972U
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Abstract
The utility model relates to a pencil sharpener technical field discloses a pencil sharpener prevent disconnected core device, including: the hob holder is provided with a hob holder cavity for mounting the hob, the side wall of the hob holder is provided with a chip groove, and the pencil holding cavity is communicated with the mounting cavity and the chip groove; a clamping groove is also formed in the tool rest and is positioned below the chip groove; the seat body is arranged in the clamping groove, the seat body is provided with a sliding groove, the sliding block is arranged in the sliding groove, and the sliding block can slide up and down along the sliding groove. The utility model has the advantages of, this prevent disconnected core device can prevent effectively that the saw-dust card from breaking the refill, and easy dismounting.
Description
Technical Field
The utility model relates to a pencil sharpener field especially relates to a pencil sharpener prevent disconnected core device.
Background
When a pencil is sharpened, nibs with different thicknesses and lengths are sometimes required to be sharpened, a pencil supporting block is arranged at the bottom of a tool rest of the electric pencil sharpener and moves up and down, and the thickness of the nibs is further adjusted; however, with the structure, the situation that the pen core is blocked and broken due to the fact that the pen scraps fall on the knife rest frequently occurs.
For example, patent No. CN203623249U discloses an electric pencil sharpener capable of cutting a pencil point to a predetermined thickness and having high energy saving performance. In an electric sharpener (1) for sharpening a pencil inserted into a cylindrical member (20) by a cutting blade (30), a detection section for detecting that a pencil point inserted into the cylindrical member has reached a predetermined position is configured to include a contact point member (40) with which the pencil point is abutted, and a point adjustment mechanism formed by a moving member (50) and a switch member (60), the moving member (50) having an inclined surface (52) and moving in a direction orthogonal to a pencil insertion direction, and the switch member (60) being connected to a drive section for driving the cutting blade in a state of being urged toward the moving member (50) to abut on the inclined surface (52), and the electric sharpener is configured to stop an operation of the cutting blade by pressing the contact point member. The knife rest of the electric pencil sharpener is easy to accumulate wood chips to break the pencil point of the pencil.
In order to solve the above problems of the conventional electric pencil sharpener, a pencil sharpener breaking prevention device capable of preventing the pencil from breaking is required to be designed.
Disclosure of Invention
An object of the utility model is to provide a can prevent that the pencil sharpener of core breaking prevents disconnected core device to the aforesaid of prior art.
The utility model provides a technical scheme that its technical problem adopted is, provides a pencil sharpener prevent disconnected core device, a serial communication port, including:
the hob holder is provided with a hob containing cavity, the hob holder is provided with an installation cavity for installing a hob, a chip groove is formed in the side wall of the hob holder, and the pencil containing cavity is communicated with the installation cavity and the chip groove; a clamping groove is also formed in the tool rest and is positioned below the chip groove;
the base body is arranged in the clamping groove, a sliding groove is formed in the base body, the sliding block is arranged in the sliding groove, and the sliding block can slide up and down along the sliding groove.
In the core breaking preventing device of the pencil sharpener, positioning grooves are formed in two sides of the sliding block, positioning blocks are arranged in the sliding grooves, and the positioning blocks are arranged in the positioning grooves.
In the above core breakage preventing device for the pencil sharpener, the section of the sliding block is in an I shape, and a top block extends outwards from the bottom of the sliding block; the seat body is provided with a limiting block, and the limiting block is positioned above the top block.
In the above core breakage preventing device for the pencil sharpener, the upper section of the pencil accommodating cavity is cylindrical, and the lower section of the pencil accommodating cavity is conical; the sliding groove is obliquely arranged, and the inclination angle of the sliding groove is half of the cone angle value of the cone.
In the core breakage preventing device of the pencil sharpener, the number of the clamping grooves is two, and the two clamping grooves are symmetrically arranged on the sharpener frame; two sides of the seat body are respectively provided with a clamping block in an outward protruding manner, the clamping block on one side of the seat body is arranged in one clamping groove, and the clamping block on the other side of the seat body is arranged in the other clamping groove;
the tool rest is also symmetrically provided with two buckling grooves, two sides of the seat body are respectively provided with a buckling block, and the buckling blocks are arranged in the buckling grooves; the buckling block and the clamping block are arranged in parallel, and an inclined plane is arranged on one side, away from the clamping block, of the buckling block.
In the above core breakage preventing device for the pencil sharpener, the top of the sharpener frame is provided with a positioning cylinder, and the outer surface of the positioning cylinder is provided with a circle of limiting groove.
In the above anti-core-breaking device for the pencil sharpener, the pencil sharpener further comprises an installation seat and a limiting piece, wherein the installation seat is provided with a first installation groove and a second installation groove in parallel, and a through hole communicated with the first installation groove and the second installation groove is formed between the first installation groove and the second installation groove;
a limiting piece is arranged in each of the first mounting groove and the second mounting groove; the positioning cylinder is arranged in the through hole, and the two limiting pieces are positioned in the limiting groove.
In the above-mentioned core breaking preventing device for the pencil sharpener, the middle parts of the first mounting groove and the second mounting groove are respectively provided with an accommodating cavity.
The core breaking preventing device of the pencil sharpener further comprises a top cover, a fixed sleeve, a gear ring and a hob with a transmission gear, wherein the top cover is arranged on the mounting base, two limiting plates extend downwards from the top cover, and the limiting plates abut against the limiting parts; the fixed sleeve is connected below the mounting seat, the gear ring is arranged in the mounting seat, the hob is arranged in the mounting cavity, and the transmission gear is meshed with the gear ring.
Compared with the prior art, the utility model discloses following beneficial effect has:
in the utility model, the holder body and the slide block are arranged in the knife rest, so that the holder body can effectively prevent wood chips from being accumulated in the knife rest and the pencil lead of the pencil from being blocked and broken; the sliding block can move up and down along the sliding groove of the base body, and the pencil is pressed down to drive the sliding block to trigger the switch so as to open the pencil sharpener; the inclination of spout is half of conical angle value, when guaranteeing the slider up-and-down motion, and the nib supports and leans on the same point of slider, and the pencil can not take place the removal of other directions, and is relative static between pencil and the slider promptly, also can prevent effectively that the nib from breaking. The locating parts in the first mounting groove and the second mounting groove are also in the limiting groove, and when the top cover is removed, the knife rest can be taken out together, so that the knife rest can be conveniently disassembled, assembled and replaced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 1 with the top cover removed;
FIG. 4 is an assembly view of the position limiting member, the tool post, the seat body and the slide block;
FIG. 5 is a schematic view of the construction of the tool holder;
FIG. 6 is a schematic plan view of FIG. 5;
FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;
FIG. 8 is a schematic view of the assembly of the base and the slider;
FIG. 9 is an exploded view of FIG. 8;
FIG. 10 is a schematic view of the mounting base;
fig. 11 is a schematic structural view of the top cover.
In the figure, 1, a tool holder; 10. a pen accommodating cavity; 11. a mounting cavity; 12. a chip groove; 13. a card slot; 14. buckling the groove; 15. a positioning cylinder; 150. a limiting groove; 2. a base body; 20. a chute; 21. positioning blocks; 22. a limiting block; 23. a clamping block; 24. buckling blocks; 240. a bevel; 25. positioning a plate; 3. a slider; 30. positioning a groove; 31. a top block; 4. a mounting seat; 40. a first mounting groove; 41. a second mounting groove; 42. a through hole; 43. an accommodating chamber; 44. a connecting frame; 5. a limiting member; 6. a top cover; 60. a limiting plate; 61. a positioning sleeve; 7. fixing a sleeve; 8. a ring gear; 9. hobbing cutters; 90. a transmission gear; 100. a pencil.
Detailed Description
The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and the detailed description, but the present invention is not limited to these examples.
As shown in fig. 1 to 4, a core breaking preventing device for a pencil sharpener comprises: knife rest 1, pedestal 2, slider 3, mount pad 4, locating part 5, top cap 6, fixed cover 7, ring gear 8 and hobbing cutter 9.
As shown in fig. 5-7, the tool rest 1 is provided with a pen containing cavity 10, a mounting cavity 11 for mounting the hob 9 is arranged on the tool rest 1, a chip groove 12 is arranged on the side wall of the tool rest 1, and the pen containing cavity 10 is communicated with the mounting cavity 11 and the chip groove 12; the tool rest 1 is also provided with a clamping groove 13, and the clamping groove 13 is positioned below the chip groove 12. Preferably, the upper section of the pen accommodating cavity 10 is cylindrical, and the lower section is conical; the number of the clamping grooves 13 is two, and the two clamping grooves 13 are symmetrically arranged on the tool rest 1.
As shown in fig. 8-9, the seat body 2 and the sliding block 3, the seat body 2 is disposed in the slot 13, the sliding groove 20 is disposed on the seat body 2, the sliding block 3 is disposed in the sliding groove 20, and the sliding block 3 can slide up and down along the sliding groove 20. When the pencil 100 is pressed downward, the slider 3 moves downward, so that a trigger switch (not shown) of the pencil sharpener is turned on, and the motor is further started to operate the pencil sharpener. Positioning grooves 30 are formed in two sides of the sliding block 3, positioning blocks 21 are arranged in the sliding grooves 20, and the positioning blocks 21 are arranged in the positioning grooves 30; the sliding groove 20 is obliquely arranged, and the inclination angle of the sliding groove 20 is half of the taper angle value of the pencil cavity 10, so that when the sliding block 3 moves up and down, the pen point of the pencil 100 abuts against the same point of the sliding block 3, the pencil 100 cannot move in other directions, namely, the pencil 100 and the sliding block 3 are relatively static, and the pen point of the pencil 100 can be effectively prevented from being broken. On the other hand, the seat body 2 is arranged to prevent sawdust falling from the pencil from being accumulated on the knife rest 1, so as to prevent the pen point of the pencil from being broken. Preferably, two sides of the seat body 2 are respectively protruded with a fixture block 23, the fixture block 23 on one side of the seat body 2 is arranged in one clamping groove 13, the fixture block 23 on the other side is arranged in the other clamping groove 13, the cross section of the sliding block 3 is in an i shape, and the bottom of the sliding block 3 is extended with an ejector block 31; be provided with stopper 22 on the pedestal 2, stopper 22 is located the top of kicking block 31, and stopper 22 is used for restricting the upper limit position of kicking block 31, and prevents that slider 3 from breaking away from spout 20 from the top.
Preferably, the knife rest 1 is further symmetrically provided with two fastening grooves 14, the two sides of the seat body 2 are respectively provided with a fastening block 24, and the fastening blocks 24 are arranged in the fastening grooves 14; the fastening block 24 and the fixture block 23 are arranged in parallel, and one side of the fastening block 24 away from the fixture block 23 is provided with an inclined plane 240, the arrangement of the inclined plane 240 is convenient for the fixture block 23 to be smoothly fastened into the fastening groove 14, and simultaneously, the fastening block 24 is ensured not to be separated from the fastening groove 14, and only when the base body 2 needs to be disassembled, the fastening block 24 is separated from the fastening groove 14; the top of the tool rest 1 is provided with a positioning cylinder 15, and the outer surface of the positioning cylinder 15 is provided with a circle of limiting groove 150.
As shown in fig. 1-4 and fig. 10-11, the core breakage preventing device further includes an installation seat 4 and a limiting member 5, the installation seat 4 is provided with a first installation groove 40 and a second installation groove 41 in parallel, and a through hole 42 communicated with both the first installation groove 40 and the second installation groove 41 is arranged between the first installation groove 40 and the second installation groove 41; a limiting piece 5 is arranged in each of the first mounting groove 40 and the second mounting groove 41; the positioning cylinder 15 is disposed in the through hole 42, and the two position-limiting members 5 are disposed in the position-limiting grooves 150. Preferably, the first mounting groove 40 and the second mounting groove 41 each have a receiving cavity 43 at the middle portion thereof. When the tool changing frame 1 or the hob 9 needs to be changed, the lower pull tool rest 1 enables the limiting part 5 to deform, the middle part of the limiting part 1 is extruded into the accommodating cavity 43, the limiting part 1 is separated from the limiting groove 150, the tool changing frame can be changed, and the tool changing frame and the hob 9 are convenient and fast to use and high in changing efficiency due to the arrangement mode.
The core breaking prevention device further comprises a top cover 6, a fixed sleeve 7, a gear ring 8 and a hob 9 with a transmission gear 90, the top cover 6 is arranged on the mounting base 4, the top cover 6 extends downwards to form two limiting plates 60, the limiting plates 60 abut against the upper side of the limiting part 5, the limiting part 5 is prevented from deforming and separating from the mounting base 4 from the upper side, and when the limiting part 5 deforms, the middle part of the limiting part 5 enters the accommodating cavity 43; the top cover 6 further extends downwards to form a positioning sleeve 61, the positioning sleeve 61 is inserted into the pen accommodating cavity 10 of the tool holder 1, and a pen insertion opening is also formed in the middle of the positioning sleeve 61. The fixed sleeve 7 is connected below the mounting seat 4, the gear ring 8 is arranged in the mounting seat 4, the hob 9 is arranged in the mounting cavity 11, and the transmission gear 90 is meshed with the gear ring 8.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. The utility model provides a pencil sharpener prevent disconnected core device which characterized in that, including:
the hob holder is provided with a hob containing cavity, the hob holder is provided with an installation cavity for installing a hob, a chip groove is formed in the side wall of the hob holder, and the pencil containing cavity is communicated with the installation cavity and the chip groove; a clamping groove is also formed in the tool rest and is positioned below the chip groove;
the base body is arranged in the clamping groove, a sliding groove is formed in the base body, the sliding block is arranged in the sliding groove, and the sliding block can slide up and down along the sliding groove.
2. The device of claim 1, wherein the slide block has positioning grooves formed on both sides thereof, and the sliding groove has positioning blocks disposed therein, and the positioning blocks are disposed in the positioning grooves.
3. The core breaking preventing device of the pencil sharpener as claimed in claim 1 or 2, wherein the cross section of the sliding block is in an I shape, and a top block extends outwards from the bottom of the sliding block; the seat body is provided with a limiting block, and the limiting block is positioned above the top block.
4. The device of claim 2, wherein the upper section of the pencil holding cavity is cylindrical and the lower section is conical; the sliding groove is obliquely arranged, and the inclination angle of the sliding groove is half of the cone angle value of the cone.
5. The core breaking preventing device of the pencil sharpener of claim 2, wherein the number of the slots is two, and the two slots are symmetrically arranged on the sharpener frame; two sides of the seat body are respectively provided with a clamping block in an outward protruding manner, the clamping block on one side of the seat body is arranged in one clamping groove, and the clamping block on the other side of the seat body is arranged in the other clamping groove;
the tool rest is also symmetrically provided with two buckling grooves, two sides of the seat body are respectively provided with a buckling block, and the buckling blocks are arranged in the buckling grooves; the buckling block and the clamping block are arranged in parallel, and an inclined plane is arranged on one side, away from the clamping block, of the buckling block.
6. The device of claim 1, wherein the top of the holder has a positioning cylinder, and the outer surface of the positioning cylinder has a circle of limiting groove.
7. The device of claim 6, further comprising a mounting seat and a limiting member, wherein the mounting seat is provided with a first mounting groove and a second mounting groove in parallel, and a through hole is formed between the first mounting groove and the second mounting groove and is communicated with both the first mounting groove and the second mounting groove;
a limiting piece is arranged in each of the first mounting groove and the second mounting groove; the positioning cylinder is arranged in the through hole, and the two limiting pieces are positioned in the limiting groove.
8. The device of claim 7, wherein the first and second mounting grooves each have a receiving cavity at a middle portion thereof.
9. The device of claim 7, further comprising a top cover, a fixing sleeve, a gear ring and a hob with a transmission gear, wherein the top cover is disposed on the mounting base, and two limiting plates extend downwards from the top cover and abut against the limiting member; the fixed sleeve is connected below the mounting seat, the gear ring is arranged in the mounting seat, the hob is arranged in the mounting cavity, and the transmission gear is meshed with the gear ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920646327.4U CN210190972U (en) | 2019-05-07 | 2019-05-07 | Core breaking preventing device of pencil sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920646327.4U CN210190972U (en) | 2019-05-07 | 2019-05-07 | Core breaking preventing device of pencil sharpener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210190972U true CN210190972U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920646327.4U Active CN210190972U (en) | 2019-05-07 | 2019-05-07 | Core breaking preventing device of pencil sharpener |
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| CN (1) | CN210190972U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439058A (en) * | 2020-04-16 | 2020-07-24 | 宁海县金益文具有限公司 | Electric pencil sharpener |
| CN111497508A (en) * | 2020-04-29 | 2020-08-07 | 谢凤良 | Pencil sharpener mechanism with replaceable hob and visible sharpening tip and assembling method thereof |
| CN114431579A (en) * | 2020-11-06 | 2022-05-06 | 明门瑞士股份有限公司 | Buckling alarm device, buckling alarm system and buckling alarm method |
-
2019
- 2019-05-07 CN CN201920646327.4U patent/CN210190972U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439058A (en) * | 2020-04-16 | 2020-07-24 | 宁海县金益文具有限公司 | Electric pencil sharpener |
| CN111497508A (en) * | 2020-04-29 | 2020-08-07 | 谢凤良 | Pencil sharpener mechanism with replaceable hob and visible sharpening tip and assembling method thereof |
| CN114431579A (en) * | 2020-11-06 | 2022-05-06 | 明门瑞士股份有限公司 | Buckling alarm device, buckling alarm system and buckling alarm method |
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