CN216467075U - Time delay mechanism of electric pencil sharpener and electric pencil sharpener - Google Patents
Time delay mechanism of electric pencil sharpener and electric pencil sharpener Download PDFInfo
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- CN216467075U CN216467075U CN202123136178.3U CN202123136178U CN216467075U CN 216467075 U CN216467075 U CN 216467075U CN 202123136178 U CN202123136178 U CN 202123136178U CN 216467075 U CN216467075 U CN 216467075U
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Abstract
The utility model relates to a time delay mechanism of electronic penknife, include: the movable seat is provided with a first tooth part; the power-off mechanism is arranged adjacent to the movable seat; the turntable is provided with a second tooth part, the second tooth part can be meshed with the first tooth part under the action of external force, and the turntable is in driving connection with a driving device of the electric pencil sharpener so that the turntable is driven to rotate by the driving device to drive the movable seat to move towards the power-off mechanism to be in contact with the power-off mechanism; in addition, after the external force of the rotary disc disappears, the movable seat is not pressed by the rotary disc any more so that the second tooth part is disengaged from the first tooth part; and the elastic piece acts on the movable seat, so that the movable seat always has the tendency of moving towards the direction far away from the power-off mechanism. An electric pencil sharpener is also disclosed. The delay mechanism of the electric pencil sharpener is simple in structure, stable in structure and low in cost, and can realize the function of a delay light pencil without complex parts.
Description
Technical Field
The utility model relates to an electronic technical field that cuts especially relates to an electronic penknife's time delay mechanism and electronic penknife.
Background
The traditional pencil sharpening work is to sharpen the pencil through manual work, which looks like simple pencil sharpening work, various problems of broken core, no sharpening, labor waste, dirty hands, poor use and the like still occur, and along with the development of the technology, the electric pencil sharpener occurs. The electric pencil sharpener cuts a pencil by rotating the hob, and because a cutting surface is rough, sawdust, core scraps and the like are easy to remain, and the pencil sharpening operation is needed to polish and sharpen the cutting surface.
But because the existing electric pencil sharpener has no pencil sharpening time-delay pencil sharpening function, the pencil sharpener can run idle or stop immediately after sharpening, in order to solve the technical problem, the utility model discloses a time delay structure of electronic ware of cutting, chinese utility model with application number 201920582031.0 (the authorization notice number is CN 209888498U), including the hobbing cutter, the hob head, touch-control rod and motor, the hob head is used for installing the hobbing cutter and has the hole of cutting a pen, the hole wall that the hole of cutting a pen is close to the hobbing cutter has the mouth of cutting a pen, the hob head still has the opening that is located the hole of cutting a pen below, the upper end of touch-control rod is inserted and is established on the hob head and can remove in the opening of hob head, motor drive hobbing cutter rotates, still include push switch, circuit board and elastic component, push switch just links to each other with the circuit board with the lower extreme cooperation of touch-control rod, the circuit board has the circuit module of control motor time delay outage time and links to each other with the motor, the elastic component supports touch-control rod and makes touch-control rod upwards keep breaking away push switch's trend. According to the time delay structure, after the pencil is cut to a certain degree, the pencil core touches the touch rod downwards, the touch rod moves downwards to trigger the micro switch, the circuit module on the circuit board starts timing, the circuit module is used for delaying time, and although the electric pencil sharpener also realizes light pen processing, the electronic time delay is high in cost and not beneficial to popularization and use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the first technical problem that provides a simple structure, time delay mechanism of electronic penknife with low costs to above-mentioned prior art.
The utility model aims to solve the second technical problem that an electronic penknife with above-mentioned time delay mechanism is provided to above-mentioned prior art, and this electronic penknife has sharpening time delay light pen function.
The utility model provides a technical scheme that above-mentioned first technical problem adopted does: the utility model provides a delay mechanism of electronic penknife which characterized in that: the method comprises the following steps:
the movable seat is provided with a first tooth part;
a power-off mechanism disposed adjacent to the movable seat;
the turntable is provided with a second tooth part, the second tooth part on the turntable is in a separation state with the first tooth part on the movable seat under the natural state without external force, the turntable can enable the second tooth part to be meshed with the first tooth part under the external force, and the turntable is in driving connection with a driving device of the electric pencil sharpener, so that the turntable is driven to rotate by the driving device to drive the movable seat to move towards the power-off mechanism to be in contact with the power-off mechanism; in addition, after the external force of the turntable disappears, the movable seat is not pressed by the turntable any more, so that the second tooth part is disengaged from the first tooth part and is in a natural state; and
and the elastic piece acts on the movable seat so that the movable seat always has the tendency of moving towards the direction far away from the power-off mechanism.
In order to ensure the installation of the movable seat, the movable seat preferably further comprises a base with a cavity with an open upper part, the power-off mechanism is arranged in the cavity of the base, two clamping blocks which are oppositely arranged are further arranged on one side of the power-off mechanism in the cavity, and the movable block is arranged between the two clamping blocks and can move along the length direction of the clamping blocks to be in contact with the power-off mechanism.
In order to ensure that the movable seat can reset, the movable seat is also provided with an inner cavity, the elastic piece is a spring which is arranged in the inner cavity of the movable seat, a resisting part which is arranged along the moving direction of the movable seat is arranged in the base, the first end of the spring is propped against the resisting part, and the second end of the spring is propped against the inner wall of the movable seat.
In order to ensure the position of the movable seat, preferably, the bottom wall of the base is provided with a sliding groove, and the lower end of the movable seat is provided with an elastic clamping pin which can be clamped in the sliding groove.
In order to ensure the installation of the power-off mechanism, preferably, the power-off mechanism is a power-off switch, and a supporting column for fixedly installing the power-off switch is further arranged in the base.
Preferably, the turntable is located above the movable seat, a spiral protruding portion is arranged on the lower wall surface of the turntable, the spiral protruding portion is a second tooth portion, and correspondingly, a plurality of protruding ribs are arranged on the upper wall surface of the movable seat along the length direction of the movable seat, and the protruding ribs are first tooth portions.
In order to ensure the installation of the rotating disc, the rotating disc installing device preferably further comprises a top cover matched with the base, and the top cover is provided with a through hole for installing the rotating disc.
The utility model provides a technical scheme that above-mentioned second technical problem adopted does: an electric pencil sharpener comprising:
the pencil sharpener comprises a knife rest, a pencil sharpener and a pencil sharpening device, wherein the knife rest is driven by a driving device to rotate around the axis of the knife rest, the knife rest is provided with a pencil sharpening hole for inserting a pencil, a pencil stopping block capable of moving up and down is arranged below the pencil sharpening hole, and a hob for sharpening the pencil is further arranged on the knife rest;
the touch rod can synchronously rotate along with the tool rest, and the upper end of the touch rod is abutted against the pen stopping block;
the microswitch is used for controlling whether the driving device works or not;
the method is characterized in that: the lower end of the touch rod is abutted to the rotary disc in the time delay mechanism, so that a downward force is applied to the pencil when the pencil is inserted, the second tooth part is meshed with the first tooth part, the movable seat is driven to move towards the power-off mechanism to be in contact with the power-off mechanism when the rotary disc rotates, and the microswitch is controlled to be in a disconnected state through the power-off mechanism.
In order to ensure the touch effect, the middle part of the rotary disc is provided with a jack, and the lower end of the touch rod is inserted into the jack and is abutted against the rotary disc.
Preferably, the cross section of the jack is square, and correspondingly, the cross section of the lower end of the touch rod is also square matched with the jack. Of course, the socket and the trip lever may have other shapes.
Compared with the prior art, the utility model has the advantages of: the touch rod is pressed down by the pen point after the pencil is sharpened, the touch rod moves downwards to trigger the rotary table to move downwards to enable the second tooth part on the rotary table to be meshed with the first tooth part on the movable seat, the rotary table rotates for a circle along with the knife rest to push the first tooth part of the movable seat to move by one tooth position until the movable seat moves to be in contact with the power-off mechanism to trigger the driving device to stop rotating, and in addition, after the pencil is drawn out, the movable seat is not pressed by the rotary table any more, namely, the movable seat is reset to the initial position under the action of the elastic piece to be separated from the power-off mechanism. Therefore, the delay mechanism of the electric pencil sharpener has simple structure, can realize the function of the delay light pencil without complex parts, and has stable structure and low cost.
Drawings
Fig. 1 is a schematic structural view of an electric pencil sharpener in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of a portion of the structure of FIG. 1;
FIG. 4 is a schematic structural diagram of the delay mechanism of FIG. 1;
FIG. 5 is an exploded view of FIG. 4;
FIG. 6 is a cross-sectional view of FIG. 4;
FIG. 7 is a schematic structural view of the turntable in FIG. 5;
fig. 8 is a top view of the base of fig. 5.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 3, in order to provide a preferred embodiment of the present invention, the electric pencil sharpener in this embodiment includes a micro switch 10, a tool rest 7, a driving device 8, a touch rod 9 and a time delay mechanism, wherein the tool rest 7 is driven by the driving device 8 to rotate around its axis, the tool rest 7 has a pencil sharpening hole 71 for inserting a pencil, a pencil stopping block 72 capable of moving up and down is disposed below the pencil sharpening hole 71, and a hob 73 for sharpening the pencil is further disposed on the tool rest 7; the touch rod 9 can rotate synchronously with the knife rest 7, the upper end of the touch rod 9 is abutted against the pen stopping block 72, and the micro switch 10 is used for controlling the driving device 8 to work or not.
The micro switch 10 is arranged above the tool holder 7 and is provided with a touch piece 101 connected with the micro switch 10 near the entrance of the pencil sharpening hole 71, so as to sense whether a pencil is inserted into the pencil sharpening hole 71 through the touch piece 101, and thus the driving device 8 is controlled to work after the pencil is inserted. The driving device 8 in this embodiment is composed of a driving motor 81 and a gear set connected to an output shaft of the driving motor 81, as shown in fig. 3, the gear set includes a plurality of gears 82 engaged with each other, and since the driving device is conventional, it is not described herein again. As shown in fig. 2, the synchronized rotation of the trip lever 9 with the tool holder 7 is achieved by inserting the trip lever 9 in a central shaft in a gear 82 for driving the tool holder 7.
As shown in fig. 4 to 8, the delay mechanism of the electric pencil sharpener in this embodiment includes a movable seat 1, a power-off mechanism 2, a rotary plate 3 and an elastic member 4, wherein the lower end of a touch rod 9 abuts against the rotary plate 3, a first tooth portion 11 is disposed on the movable seat 1, the power-off mechanism 2 is disposed adjacent to the movable seat 1, a second tooth portion 31 is disposed on the rotary plate 3, and in a natural state without an external force, the second tooth portion 31 on the rotary plate 3 and the first tooth portion 11 on the movable seat 1 are in a disengaged state, and the disengaged state at this position may be a partially disengaged state or a completely disengaged state; the rotary disc 3 can apply external force to the pencil when the pencil is inserted so that the second tooth part 31 is meshed with the first tooth part 11, and the rotary disc 3 is in driving connection with the driving device 8 of the electric pencil sharpener, so that the rotary disc 3 drives the movable seat 1 to move towards the power-off mechanism 2 to be in contact with the power-off mechanism 2 under the driving rotation of the driving device 8; in addition, after the external force of the rotating disc 3 disappears, the movable seat 1 is not pressed by the rotating disc 3 any more, so that the second tooth part 31 is disengaged from the first tooth part 11 and is in a natural state; the elastic element 4 acts on the movable seat 1 to make the movable seat 1 always have a tendency of moving towards a direction away from the power-off mechanism 2, and the power-off mechanism 2 is electrically connected with the micro switch 10 to control the micro switch 10 to be switched on or switched off.
In order to realize the installation of the movable seat 1 and the power-off mechanism 2, in this embodiment, the power-off mechanism further includes a base 5 having a cavity 51 with an open upper portion, and the power-off mechanism 2 is disposed in the cavity 51 of the base 5, wherein in this embodiment, the power-off mechanism 2 is a power-off switch, and a support column 54 for fixedly installing the power-off switch is disposed in the base 5; two opposite clamping blocks 511 are further arranged on one side of the power-off mechanism 2 in the cavity 51, and the movable block 1 is arranged between the two clamping blocks 511 and can move along the length direction of the clamping blocks 511 to be in contact with the power-off mechanism 2. In addition, the movable seat 1 is also provided with an inner cavity 13, the elastic element 4 is a spring, the spring is arranged in the inner cavity 13 of the movable seat 1, a resisting part 52 arranged along the moving direction of the movable seat 1 is arranged in the base 5, a first end of the spring is abutted against the resisting part 52, and a second end of the spring is abutted against the inner wall of the movable seat 1; the bottom wall of the base 5 is provided with a sliding groove 53, and the lower end of the movable seat 1 is provided with an elastic clamping leg 12 which can be clamped in the sliding groove 53.
In this embodiment, the rotary plate 3 is located above the movable seat 1, the lower wall surface of the rotary plate 3 is provided with a spiral protrusion, which is the second tooth portion 31, and correspondingly, the upper wall surface of the movable seat 1 is provided with a plurality of ribs, which are the first tooth portions 11, along the length direction of the movable seat 1. The number of the convex ribs can be determined according to specific delay time, and the number of the convex ribs is 6 in the embodiment. Under the action of no external force, due to the gravity of the rotating disc 3, the first tooth portion 11 on the rotating disc 3 and the second tooth portion 31 on the movable seat 1 are partially contacted but are not completely meshed, so that the rotating disc 3 does not drive the movable seat 1 without the pressure force to move, and the movable seat 1 can move along with the rotating disc 3 only when the rotating disc 3 applies the pressure force to the movable seat 1.
In addition, in order to realize the installation of the rotary table 3, in this embodiment, the rotary table further includes a top cover 6 matched with the base 5, an upper portion of the rotary table 3 is cylindrical, a through hole 61 matched with the cylindrical portion is formed in the top cover 6, and an insertion hole 32 for inserting the lower end of the touch rod 9 is formed in the middle of the cylindrical portion of the rotary table 3, so that the rotary table 3 can rotate synchronously with the tool holder 7, as shown in fig. 4, the cross section of the insertion hole 32 is square, that is: the cross section of the lower end of the touch rod 9 is also square which is matched with the insertion hole 32, and the touch rod 9 is inserted into the insertion hole 32, of course, other shapes can be adopted.
The electric pencil sharpener has the use principle that: the pencil is inserted into the pencil sharpening hole 71 of the electric pencil sharpener, the microswitch 10 is opened to control the driving device 8 to work, the knife rest 7 rotates under the driving action of the driving device 8, the internal teeth drive the hob 73 to do planetary cutting motion around the pencil, the nib of the pencil after sharpening is abutted against the pencil blocking block 72, the pencil lead is pressed downwards, meanwhile, the pencil blocking block 72 presses the touch rod 9 downwards, the touch rod 9 moves downwards to trigger the turntable 3 to move downwards so that the second tooth part 31 on the turntable 3 is meshed with the first tooth part 11 on the movable seat 1, the turntable 3 rotates for one circle along with the knife rest 7, namely, the first tooth part 11 of the movable seat 1 is pushed to move by one tooth position until the movable seat 1 moves to be in contact with the power-off mechanism 2 to trigger the driving device 8 to stop rotating, after the pencil is drawn out, the movable seat 1 is not pressed by the turntable 3 any more so that the second tooth part 31 is disengaged from the first tooth part 11, in addition, the movable seat 1 is reset to the initial position under the action of the elastic piece 4 to be separated from the power-off mechanism 2, the power-off switch is reset to be in a normally closed state, and the process is repeated.
Claims (10)
1. The utility model provides a delay mechanism of electronic penknife which characterized in that: the method comprises the following steps:
the movable seat (1) is provided with a first tooth part (11);
the power-off mechanism (2) is arranged adjacent to the movable seat (1);
the turntable (3) is provided with a second tooth part (31), the second tooth part (31) on the turntable (3) and the first tooth part (11) on the movable seat (1) are in a separated state under the natural state without external force, the turntable (3) can enable the second tooth part (31) to be meshed with the first tooth part (11) under the external force, and the turntable (3) is in driving connection with a driving device (8) of the electric pencil sharpener, so that the turntable (3) is driven to rotate by the driving device (8) to drive the movable seat (1) to move towards the power-off mechanism (2) to be in contact with the power-off mechanism (2); in addition, after the external force of the rotary disc (3) disappears, the movable seat (1) is not pressed by the rotary disc (3) any more, so that the second tooth part (31) is disengaged from the first tooth part (11) and is in a natural state; and
the elastic piece (4) acts on the movable seat (1) so that the movable seat (1) always has the trend of moving towards the direction far away from the power-off mechanism (2).
2. The delay mechanism of an electric pencil sharpener of claim 1, wherein: still including base (5) that have open chamber in upper portion (51), outage mechanism (2) are located in chamber (51) of base (5), one side that lies in outage mechanism (2) in chamber (51) still is equipped with two fixture blocks (511) that set up relatively, sliding seat (1) are located between two fixture blocks (511) and can move and contact with outage mechanism (2) along the length direction of fixture block (511).
3. The delay mechanism of an electric pencil sharpener of claim 2, wherein: the movable seat (1) is further provided with an inner cavity (13), the elastic piece (4) is a spring, the spring is arranged in the inner cavity (13) of the movable seat (1), a blocking portion (52) arranged in the moving direction of the movable seat (1) is arranged in the base (5), the first end of the spring is abutted to the blocking portion (52), and the second end of the spring is abutted to the inner wall of the movable seat (1).
4. The delay mechanism of an electric pencil sharpener of claim 3, wherein: the bottom wall of the base (5) is provided with a sliding groove (53), and the lower end of the movable seat (1) is provided with an elastic clamping pin (12) which can be clamped in the sliding groove (53).
5. The delay mechanism of an electric pencil sharpener of claim 2, wherein: the power-off mechanism (2) is a power-off switch, and a supporting column (54) for fixedly mounting the power-off switch is further arranged in the base (5).
6. The delay mechanism of an electric pencil sharpener according to any one of claims 1-5, wherein: carousel (3) are located the top of sliding seat (1), the lower wall of carousel (3) is equipped with the heliciform bellying, and this heliciform bellying is second tooth portion (31), correspondingly, the upper wall of sliding seat (1) is equipped with many beads along the length direction of sliding seat (1), and this bead is first tooth portion (11).
7. The delay mechanism of an electric pencil sharpener according to any one of claims 2-5, wherein: still include with base (5) matched with top cap (6), be equipped with through-hole (61) that supply carousel (3) to install on top cap (6).
8. An electric pencil sharpener comprising:
the pencil sharpener comprises a tool rest (7) driven by a driving device (8) to rotate around the axis of the tool rest, wherein the tool rest (7) is provided with a pencil sharpening hole (71) for inserting a pencil, a pencil blocking block (72) capable of moving up and down is arranged below the pencil sharpening hole (71), and a hob (73) for sharpening the pencil is further arranged on the tool rest (7);
the touch rod (9) can synchronously rotate along with the knife rest (7), and the upper end of the touch rod (9) is abutted against the pen blocking block (72);
a microswitch (10) for controlling whether the driving device (8) works or not;
the method is characterized in that: the time delay mechanism further comprises the time delay mechanism as claimed in any one of claims 1 to 7, wherein the lower end of the touch rod (9) abuts against the rotary disc (3) in the time delay mechanism, so that a downward force is applied to the pencil when the pencil is inserted to enable the second tooth part (31) to be meshed with the first tooth part (11), and the movable seat (1) is driven to move towards the power failure mechanism (2) to be in contact with the power failure mechanism (2) when the rotary disc (3) rotates, so that the microswitch (10) is controlled to be in an off state through the power failure mechanism (2).
9. The electric pencil sharpener of claim 8, wherein: the middle part of the rotary table (3) is provided with an insertion hole (32), and the lower end of the touch rod (9) is inserted into the insertion hole (32) and is abutted against the rotary table (3).
10. The electric pencil sharpener of claim 9, wherein: the cross section of the insertion hole (32) is square, and correspondingly, the cross section of the lower end of the touch rod (9) is also square matched with the insertion hole (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123136178.3U CN216467075U (en) | 2021-12-14 | 2021-12-14 | Time delay mechanism of electric pencil sharpener and electric pencil sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123136178.3U CN216467075U (en) | 2021-12-14 | 2021-12-14 | Time delay mechanism of electric pencil sharpener and electric pencil sharpener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216467075U true CN216467075U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123136178.3U Active CN216467075U (en) | 2021-12-14 | 2021-12-14 | Time delay mechanism of electric pencil sharpener and electric pencil sharpener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216467075U (en) |
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2021
- 2021-12-14 CN CN202123136178.3U patent/CN216467075U/en active Active
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