CN221113306U - Automatic reset pen - Google Patents
Automatic reset pen Download PDFInfo
- Publication number
- CN221113306U CN221113306U CN202322472976.6U CN202322472976U CN221113306U CN 221113306 U CN221113306 U CN 221113306U CN 202322472976 U CN202322472976 U CN 202322472976U CN 221113306 U CN221113306 U CN 221113306U
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- pen
- shell
- reset
- transmission device
- automatic reset
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- 230000005540 biological transmission Effects 0.000 claims abstract description 52
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 9
- 230000013011 mating Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model discloses an automatic reset pen, which comprises a pen core, a shell, a counterweight, a first transmission device, a reset device and a second transmission device, wherein the pen core is provided with a first transmission device and a second transmission device; the pen core is provided with a pen point for writing, the shell is provided with a pen point hole, and the pen core can move relative to the shell by the counterweight and the resetting device, so that the pen point can be extended or retracted from the pen point hole. When the automatic reset pen is used, a user writes normally, the automatic reset pen is vertically and downwards placed, and the counterweight moves relative to the first direction, so that the pen core is driven to move relative to the shell to the first direction through the first transmission device, the reset device and the second transmission device, and the pen point extends out of the pen point hole; after the user normally finishes writing, the automatic reset pen is horizontally placed, and the reset device drives the pen core to move towards the second direction relative to the shell through the second transmission device, so that the pen point is retracted from the pen point hole.
Description
Technical Field
The utility model relates to an automatic reset pen.
Background
The pen is a basic writing tool, and the pen is divided into: pressing the reset pen and the cap pen. When the reset pen is pressed for use, the nib is exposed and retracted by pressing. However, in practical use, after the nib is exposed by pressing, the user forgets to press the nib again to retract the nib, which easily causes damage to the nib or contaminates other objects.
Disclosure of utility model
Based on this, it is necessary to provide an automatic reset pen that can solve the above-described problems.
An automatic reset pen comprises a pen core, a shell sleeved outside the pen core, a balance weight in sliding connection with the shell, a first transmission device connected with the balance weight, a reset device connected with the first transmission device and a second transmission device respectively connected with the reset device and the pen core;
The pen refill is provided with a pen point used for writing, a pen point hole which is matched with the pen point and is positioned at the end part is formed in the shell, the balance weight and the reset device can enable the pen refill to move relative to the shell, and therefore the pen point can extend out of or retract into the pen point hole;
When the automatic reset pen is vertically placed downwards, the counterweight moves towards a first direction relative to the shell, so that the pen refill is driven to move towards the first direction relative to the shell through the first transmission device, the reset device and the second transmission device, and the pen point extends out of the pen point hole;
When the automatic reset pen is horizontally placed, the reset device drives the pen core to move towards the second direction relative to the shell through the second transmission device, so that the pen point is retracted from the pen point hole.
In one embodiment, the reset device is an elastic member or a magnetic assembly.
In one embodiment, the counterweight is cylindrical, and the counterweight is slidably sleeved outside the pen core.
In one embodiment, the inner side of the housing is provided with a blocking portion;
When the automatic reset pen is vertically downwards placed and the pen point is used for writing, the second transmission device is abutted with the blocking part, so that the pen point is prevented from retracting.
In one embodiment, the second transmission device comprises a first connecting piece, a connecting rod and a first rotating piece which are connected in sequence;
The first connecting piece is arranged at one end of the pen refill, which is far away from the pen point, one end of the connecting rod is rotationally connected with the first connecting piece, the first rotating piece is rotationally arranged on the shell, the other end of the connecting rod is rotationally connected with the peripheral area of the first rotating piece, and the first rotating piece is connected with the reset device;
When the automatic reset pen is placed vertically downwards, the counterweight drives the first transmission device, the reset device, the first rotating piece, the connecting rod and the first connecting piece to move in sequence, so that the other end of the connecting rod is in contact with the blocking part.
In one embodiment, the reset device is a spring;
The spiral spring comprises a spiral spring shell arranged on the shell, a second rotating piece arranged on the spiral spring shell and rotationally connected with the spiral spring shell, and a spiral spring arranged in the spiral spring shell, wherein a winding shaft is arranged in the central area of one surface of the second rotating piece, which is close to the spiral spring shell, one end of the spiral spring is wound on the winding shaft, and the other end of the spiral spring is fixedly connected with the peripheral area of the spiral spring shell;
The second rotating member is rotationally connected with the first rotating member, and the peripheral area of the second rotating member is connected with the first transmission device, so that the first transmission device can drive the second rotating member to rotate relative to the spring barrel, and meanwhile, the spring is deformed.
In one embodiment, the central area of the second rotating member remote from the face of the barrel is provided with a toothed shaft coaxial with the winding shaft, the first rotating member being a gear, the toothed shaft being in engagement with the first rotating member.
In one embodiment, the first transmission device includes a second connecting member and a third connecting member, the second connecting member is cylindrical and sleeved at the end of the counterweight, and the third connecting member is connected to the second connecting member and the peripheral area of the second rotating member respectively.
In one embodiment, the first connecting piece is sleeved at one end of the pen core far away from the pen point, and the third connecting piece is of a flexible strip-shaped structure.
In one embodiment, the automatic reset pen further comprises a locking member;
The shell is provided with a sliding through groove, the locking piece is slidably arranged at the sliding through groove, and the locking piece comprises an operation part positioned at the outer side and a locking part positioned at the inner side;
The locking piece can move back and forth between the locking position and the unlocking position along the sliding through groove, and when the locking piece slides to the locking position, the reset device is in buckling connection with the locking part, so that the reset device cannot move.
In one embodiment, the locking part is provided with a buckling structure, and the resetting device is provided with a buckling matching structure matched with the buckling structure;
The clamping structure and the clamping matching structure are both clamping protrusions; or the buckling structure and the buckling matching structure are respectively one of a clamping protrusion and a clamping groove.
In one embodiment, the locking part is provided with a locking positioning part and an unlocking positioning part, and the shell is provided with a locking positioning matching part matched with the locking positioning part and an unlocking positioning matching part matched with the unlocking positioning part.
In one embodiment, the locking detent and the locking detent mating portion are each a rib;
and/or, the unlocking positioning part and the unlocking positioning matching part are ribs.
In one embodiment, the unlocking positioning part is two strip-shaped blocks which are parallel to each other and are arranged at intervals, a first salient point is arranged on one surface of each strip-shaped block, which is far away from each other, the unlocking positioning matching part is a clamping groove, and a second salient point matched with the two first salient points is arranged on the inner side wall of the clamping groove;
Or the locking positioning part is two strip-shaped blocks which are parallel to each other and are arranged at intervals, one surface of each strip-shaped block, which is far away from each other, is provided with a first salient point, the locking positioning matching part is a clamping groove, and the inner side wall of the clamping groove is provided with a second salient point matched with the two first salient points.
When the automatic reset pen is used, a user writes normally, the automatic reset pen is vertically downwards placed, and the counterweight moves towards a first direction relative to the shell, so that the pen core is driven to move towards the first direction relative to the shell through the first transmission device, the reset device and the second transmission device, and the pen point extends out of the pen point hole; after the user normally finishes writing, the automatic reset pen is horizontally placed, and the reset device drives the pen core to move towards the second direction relative to the shell through the second transmission device, so that the pen point is retracted from the pen point hole.
Compared with the traditional pressing reset pen, the automatic reset pen can automatically retract the pen point, so that the situation that a user forgets to press the pen point again to retract the pen point is avoided, and the condition that the pen point is damaged or other objects are polluted is avoided.
Drawings
Fig. 1 is a schematic perspective view illustrating a state of an automatic reset pen according to an embodiment.
Fig. 2 is a schematic view of an internal structure of the automatic reset pen shown in fig. 1 in one direction.
Fig. 3 is a schematic view of an internal structure of the automatic reset pen shown in fig. 1 in another direction.
Fig. 4 is a schematic perspective view of another state of the automatic reset pen shown in fig. 1.
Fig. 5 is a schematic view illustrating an internal structure of the automatic reset pen shown in fig. 4 in one direction.
Fig. 6 is a schematic view of an internal structure of the automatic reset pen shown in fig. 4 in another direction.
Fig. 7 is an enlarged schematic view of the area a in fig. 2.
Fig. 8 is an enlarged schematic view of the area B in fig. 5.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1, 2, 3, 4, 5 and 6, the utility model discloses an automatic reset pen according to an embodiment, which comprises a pen core 10, a housing 20 sleeved outside the pen core 10, a counterweight 30 slidably connected with the housing 20, a first transmission device 40 connected with the counterweight 30, a reset device 50 connected with the first transmission device 40, and a second transmission device 60 connected with the reset device 50 and the pen core 10 respectively.
The pen core 10 has a pen tip 12 for writing, a pen tip hole 22 is formed in the housing 20, which is matched with the pen tip 12 and is positioned at the end, and the weight 30 and the reset device 50 can enable the pen core 10 to move relative to the housing 20, so that the pen tip 12 can be extended or retracted from the pen tip hole 22.
Referring to fig. 1 to 3, when the automatic reset pen is placed vertically downward, the weight 30 moves in a first direction relative to the housing 20, so that the first transmission device 40, the reset device 50 and the second transmission device 60 drive the pen core 10 to move in the first direction relative to the housing 20, and further the pen tip 12 protrudes from the pen tip hole 22, at this time, the reset device 50 has a tendency to drive the pen core 10 to move in a second direction relative to the housing 20 through the second transmission device 60, and the first direction and the second direction are opposite.
Referring to fig. 4 to 6, when the automatic reset pen is horizontally placed, the reset device 50 drives the counterweight 30 to move in the second direction relative to the housing 20 through the first transmission device 40, and simultaneously the reset device 50 drives the pen core 10 to move in the second direction relative to the housing 20 through the second transmission device 60, so that the pen point 12 is retracted from the pen point hole 22.
Note that, the automatic reset pen in fig. 1 to 3 is in a state in which the pen tip 12 is protruded from the pen tip hole 22, and the automatic reset pen in fig. 4 to 6 is in a state in which the pen tip 12 is retracted from the pen tip hole 22.
It should be noted that, in the present embodiment, the direction of movement of the weight 30 toward the nib hole 22 is a first direction, and the direction of movement of the weight 30 away from the nib hole 22 is a second direction.
When the automatic reset pen is used, a user writes normally, the automatic reset pen is placed vertically downwards, the counterweight 30 moves in a first direction relative to the casing 20, and the pen core 10 is driven to move in the first direction relative to the casing 20 by the first transmission device 40, the reset device 50 and the second transmission device 60, so that the pen point 12 extends out of the pen point hole 22. After the user normally completes writing, the automatic reset pen is horizontally placed, and the reset device 50 drives the pen core 10 to move in a second direction relative to the housing 20 through the second transmission device 60, so that the pen point 12 is retracted from the pen point hole 22.
Compared with the traditional pressing reset pen, the automatic reset pen can automatically retract the pen point 12, so that the situation that the user forgets to press the pen point again to retract the pen point is avoided, and the condition that the pen point is damaged or other objects are polluted is avoided.
Typically, the reset device 50 is an elastic member or a magnetic assembly.
In the present embodiment, the weight 30 is cylindrical, and the weight 30 is slidably fitted over the pen core 10.
Referring to fig. 7 and 8, the inner side of the housing 20 is provided with a blocking portion 24.
When the automatic reset pen is placed vertically downward and the nib 12 is writing, the second transmission 60 abuts the blocking portion 24, thereby preventing the nib 12 from retracting.
Referring to fig. 7 and 8, in the present embodiment, the second transmission 60 includes a first connecting member 62, a connecting rod 64, and a first rotating member 66, which are sequentially connected.
The first connecting member 62 is disposed at an end of the cartridge 10 remote from the nib 12, one end of the connecting rod 64 is rotatably connected to the first connecting member 62, the first rotating member 66 is rotatably disposed on the housing 20, the other end of the connecting rod 64 is rotatably connected to a peripheral region of the first rotating member 66, and the first rotating member 66 is connected to the reset device 50.
When the automatic reset pen is placed vertically downward, the weight 30 sequentially drives the first transmission device 40, the reset device 50, the first rotating member 66, the connecting rod 64 and the first connecting member 62 to move, so that the other end of the connecting rod 64 contacts the blocking portion 24.
In the present embodiment, the reset device 50 is a spring, referring to the drawings.
The wind spring comprises a wind spring shell 52 arranged on the outer shell 20, a second rotating piece 54 arranged on the wind spring shell 52 and rotationally connected with the wind spring shell 52, and a wind spring 56 arranged in the wind spring shell 52, wherein a winding shaft 57 is arranged in the central area of one surface of the second rotating piece 54 close to the wind spring shell 52, one end of the wind spring 56 is wound on the winding shaft 57, and the other end of the wind spring 56 is fixedly connected with the peripheral area of the wind spring shell 52.
The second rotating member 54 is rotatably connected to the first rotating member 66, and the peripheral area of the second rotating member 54 is connected to the first transmission device 40, so that the first transmission device 40 can rotate the second rotating member 54 relative to the barrel 52, and simultaneously deform the barrel spring 56. At this time, the mainspring 56 has a restoring force, that is, the mainspring 56 has a tendency to drive the second rotary member 54 to rotate reversely with respect to the maincase 52.
Preferably, in this embodiment, the central area of the second rotating member 54 remote from the face of the barrel 52 is further provided with a toothed shaft 58 coaxial with the winding shaft 57, the first rotating member 66 being a gear, the toothed shaft 58 being in mesh with the first rotating member 66.
Specifically, in the present embodiment, the second rotating member 54 is a turntable.
Referring to the drawings, in the present embodiment, the first transmission device 40 includes a second connecting member 42 and a third connecting member 44, the second connecting member 42 is cylindrical and sleeved at the end of the counterweight 30, and the third connecting member 44 is connected to peripheral regions of the second connecting member 42 and the second rotating member 54, respectively.
Specifically, in the present embodiment, the first connecting member 62 is sleeved on the end of the pen core 10 away from the pen tip 12, and the third connecting member 44 has a flexible strip structure.
Specifically, the third connector 44 is a strip-like soft object such as a rope. In the present embodiment, the third link 44 is fixed to the outer sidewall of the second rotating member 54.
In other embodiments, the first connector 62, the second connector 42, and the third connector 44 may have other shapes or structures, as long as the above-described functions are achieved.
In this embodiment, the automatic reset pen further includes a locking member 70, in conjunction with the drawings.
The housing 20 is provided with a sliding through groove 26, and the locking member 70 is slidably disposed in the sliding through groove 26, and the locking member 70 includes an operation portion 72 located on the outer side and a locking portion 74 located on the inner side.
It should be noted that, in the automatic reset pen shown in fig. 1 to 6, the locking member 70 is located at the locking position.
With reference to the drawings, only the dial-up of the locking member 70 is required to slide the locking member 70 from the locked position to the unlocked position.
The locking member 70 is movable along the sliding channel 26 back and forth between the locked position and the unlocked position, and when the locking member 70 is slid to the locked position, the reset device 50 is snap-engaged with the locking portion 74, thereby disabling movement of the transmission device 50.
Referring to fig. 7 and 8, the locking portion 74 is provided with a locking structure 742, and the reset device 50 is provided with a snap-fit structure 59 matching the locking structure 742.
In this embodiment, both the snap-fit structure 742 and the snap-fit structure 59 are snap-fit protrusions. In other embodiments, the catch 742 and the catch 59 may be one of a catch and a slot, respectively.
Specifically, in the present embodiment, with reference to the drawings, the snap-fit structure 59 is provided on the outer side wall of the second rotation member 54.
In this embodiment, the locking portion 74 is provided with a locking position portion and an unlocking position portion 746, and the housing 20 is provided with a locking position engaging portion (not shown) for engaging with the locking position portion (not shown) and an unlocking position engaging portion 28 for engaging with the unlocking position portion 746, so that the locking member 70 can be positioned in the locking position and the unlocking position.
In this embodiment, the locking portion and the locking mating portion are each a rib, referring to the drawings.
Referring to the drawings, in this embodiment, the unlocking positioning portion 746 is two bar-shaped blocks parallel to each other and arranged at intervals, one surface of each of the two bar-shaped blocks, which is far away from each other, is provided with a first bump, the unlocking positioning matching portion 28 is a clamping groove, and the inner side wall of the clamping groove is provided with a second bump matched with the two first bumps.
In other embodiments, the unlocking detent 746 and unlocking detent mating portion 28 may each be a rib.
In other embodiments, the locking positioning portion may be two strip-shaped blocks parallel to each other and arranged at intervals, the surfaces of the two strip-shaped blocks away from each other are provided with first protruding points, the locking positioning matching portion may be a clamping groove, and the inner side wall of the clamping groove is provided with second protruding points matched with the two first protruding points.
The above embodiments represent only a few embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the present utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. An automatic reset pen is characterized by comprising a pen core, a shell sleeved outside the pen core, a counterweight connected with the shell in a sliding manner, a first transmission device connected with the counterweight, a reset device connected with the first transmission device and a second transmission device connected with the reset device and the pen core respectively;
The pen refill is provided with a pen point used for writing, a pen point hole which is matched with the pen point and is positioned at the end part is formed in the shell, the balance weight and the reset device can enable the pen refill to move relative to the shell, and therefore the pen point can extend out of or retract into the pen point hole;
When the automatic reset pen is vertically placed downwards, the counterweight moves towards a first direction relative to the shell, so that the pen refill is driven to move towards the first direction relative to the shell through the first transmission device, the reset device and the second transmission device, and the pen point extends out of the pen point hole;
When the automatic reset pen is horizontally placed, the reset device drives the pen core to move towards the second direction relative to the shell through the second transmission device, so that the pen point is retracted from the pen point hole.
2. The automatic reset pen of claim 1 wherein the reset device is an elastic member or a magnetic assembly.
3. The automatic reset pen according to claim 2, wherein the weight is cylindrical and slidably sleeved outside the pen core.
4. The automatic reset pen according to any one of claims 1 to 3, wherein a blocking portion is provided on an inner side of the housing;
When the automatic reset pen is vertically downwards placed and the pen point is used for writing, the second transmission device is abutted with the blocking part, so that the pen point is prevented from retracting.
5. The automatic reset pen of claim 4, wherein the second transmission means comprises a first connecting member, a connecting rod and a first rotating member connected in sequence;
The first connecting piece is arranged at one end of the pen refill, which is far away from the pen point, one end of the connecting rod is rotationally connected with the first connecting piece, the first rotating piece is rotationally arranged on the shell, the other end of the connecting rod is rotationally connected with the peripheral area of the first rotating piece, and the first rotating piece is connected with the reset device;
When the automatic reset pen is placed vertically downwards, the counterweight drives the first transmission device, the reset device, the first rotating piece, the connecting rod and the first connecting piece to move in sequence, so that the other end of the connecting rod is in contact with the blocking part.
6. The automatic reset pen of claim 5, wherein the reset device is a spring;
The spiral spring comprises a spiral spring shell arranged on the shell, a second rotating piece arranged on the spiral spring shell and rotationally connected with the spiral spring shell, and a spiral spring arranged in the spiral spring shell, wherein a winding shaft is arranged in the central area of one surface of the second rotating piece, which is close to the spiral spring shell, one end of the spiral spring is wound on the winding shaft, and the other end of the spiral spring is fixedly connected with the peripheral area of the spiral spring shell;
The second rotating member is rotationally connected with the first rotating member, and the peripheral area of the second rotating member is connected with the first transmission device, so that the first transmission device can drive the second rotating member to rotate relative to the spring barrel, and meanwhile, the spring is deformed.
7. The automatic reset pencil of claim 6, wherein a center area of a face of the second rotating member remote from the barrel is provided with a gear shaft coaxial with the winding shaft, and the first rotating member is a gear, and the gear shaft is engaged with the first rotating member.
8. The automatic reset pen according to claim 6, wherein the first transmission device comprises a second connecting piece and a third connecting piece, the second connecting piece is cylindrical and sleeved at the end part of the counterweight, and the third connecting piece is respectively connected with the second connecting piece and the peripheral area of the second rotating piece.
9. The automatic resetting pen of claim 8, wherein the first connecting piece is sleeved at one end of the pen core far away from the pen point, and the third connecting piece is of a flexible strip-shaped structure.
10. The automatic reset pen of claim 4, further comprising a locking member;
The shell is provided with a sliding through groove, the locking piece is slidably arranged at the sliding through groove, and the locking piece comprises an operation part positioned at the outer side and a locking part positioned at the inner side;
The locking piece can move back and forth between the locking position and the unlocking position along the sliding through groove, and when the locking piece slides to the locking position, the reset device is in buckling connection with the locking part, so that the reset device cannot move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322472976.6U CN221113306U (en) | 2023-09-12 | 2023-09-12 | Automatic reset pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322472976.6U CN221113306U (en) | 2023-09-12 | 2023-09-12 | Automatic reset pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221113306U true CN221113306U (en) | 2024-06-11 |
Family
ID=91365031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322472976.6U Active CN221113306U (en) | 2023-09-12 | 2023-09-12 | Automatic reset pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221113306U (en) |
-
2023
- 2023-09-12 CN CN202322472976.6U patent/CN221113306U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |