CN219055825U - Rebound-proof type pressing telescopic pen knife - Google Patents
Rebound-proof type pressing telescopic pen knife Download PDFInfo
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- CN219055825U CN219055825U CN202222689151.5U CN202222689151U CN219055825U CN 219055825 U CN219055825 U CN 219055825U CN 202222689151 U CN202222689151 U CN 202222689151U CN 219055825 U CN219055825 U CN 219055825U
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Abstract
The utility model discloses an anti-rebound type pressing telescopic pen knife which comprises a pen container, a pen core pressing device, a pen core, a blade pressing device, a blade and a locking structure, wherein the pen container is provided with a pen core and a locking structure; the tail end of the pen container is provided with an outlet communicated with the interior of the pen container; the pen core pressing device is arranged on the pen container in a rebound manner and is used for driving a writing part of the pen core to extend out of the pen container or retract into the pen container through the outlet; the blade pressing device is arranged on the pen container in a rebound manner and is used for driving the blade to extend out of the pen container or retract into the pen container through the outlet; the lock catch structure is arranged between the pen container and the blade presser and used for locking the blade presser under the driving of external force so that the blade presser maintains a pressed state when the blade is under the cutting tension, and is used for unlocking the blade presser under the driving of external force so that the blade presser can be reset. The cutter can effectively prevent the cutter blade from rebounding into the pen container in the cutting process, and the use experience is improved.
Description
Technical Field
The utility model relates to the technical field of pressing telescopic pen knives, in particular to an anti-rebound pressing telescopic pen knife.
Background
The pressing telescopic pen knife on the market mainly comprises a pen container, a pen core, a blade and a pressing device, wherein the pressing device is movably arranged on the pen container along the length direction of the pen container and is connected with the pen core or the blade, and the pressing device is used for pressing to drive the pen core or the blade to extend out of a pen point of the pen container or drive the pen core or the blade to retract into the pen container so as to realize the function of hiding the pen core or the blade.
However, in practical application, in the process of cutting the blade, the blade is easily acted by a tensile force to release the locking of the pen core pressing device to the blade pressing device, so that the blade is rebounded and retracted into the pen container in the cutting process, and the use is affected.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide an anti-rebound type pressing telescopic pen knife which can effectively prevent a knife blade from rebounding into a pen container in a cutting process.
The utility model adopts the following technical scheme:
the rebound prevention type pressing telescopic pen knife comprises a pen container, a pen core pressing device, a pen core, a blade pressing device, a blade and a locking structure;
the tail end of the pen container is provided with an outlet communicated with the interior of the pen container;
the pen core pressing device is arranged on the pen container in a rebound manner and is used for driving a writing part of the pen core to extend out of the pen container or retract into the pen container through the outlet;
the blade pressing device is arranged on the pen container in a rebound manner and is used for driving the blade to extend out of the pen container or retract into the pen container through the outlet;
the locking structure is arranged between the pen container and the blade presser and is used for locking the blade presser under the drive of external force so that the blade presser maintains a pressed state when the blade is under the cutting tension, and is used for unlocking the blade presser under the drive of external force so that the blade presser can be reset.
Further, one of the pen refill pressing device and the blade pressing device can be matched with the other lock after being pressed down, and one of the pen refill pressing device and the blade pressing device can be reset along with the other pressed down after being pressed down;
the locking structure can lock the blade pressing device along with the pressing of the blade pressing device, and the locking structure can unlock the blade pressing device along with the pressing of the pen refill pressing device.
Further, the lock catch structure comprises a buckling part and a clamping groove, the buckling part is arranged on the blade pressing device, the clamping groove is arranged on the pen container, the buckling part is buckled with the clamping groove after the blade pressing device is pressed down, and the buckling part is separated from the clamping groove when the blade pressing device is unlocked by the pen core pressing device.
Further, a first clamping surface is arranged on the clamping part, a second clamping surface capable of being abutted against the first clamping surface is arranged on the clamping groove, and the first clamping surface is inclined towards the second clamping surface.
Further, the two ends of the blade presser along the length direction thereof are respectively a pressing end and a connecting end connected with the blade, the pressing end is provided with the clamping part, and the pressing end is inclined or bent towards the opening direction of the clamping groove.
Further, a locking structure is further arranged between the pen container and the blade pressing device, the locking structure is used for being driven by external force to lock the blade pressing device so that the blade can be kept in a retracted state in the pen container, and the locking structure is further used for being driven by external force to unlock the blade pressing device so that the blade can extend out of the pen container.
Further, the locking structure comprises a first locking piece, a second locking piece and an unlocking piece, wherein the first locking piece is connected with the blade pressing device, the second locking piece is connected with the unlocking piece and is provided with a locking state matched with the first locking piece and an unlocking state disengaged from the first locking piece, and the unlocking piece can be movably arranged on the pen container and can be driven by external force to enable the second locking piece to be switched between the locking state and the unlocking state.
Further, a positioning structure is further arranged between the unlocking piece and the pen container, and the positioning structure is used for enabling the second locking piece to maintain the locking state or the unlocking state.
Further, the positioning structure comprises a first positioning part arranged on the unlocking piece and two second positioning parts arranged on the pen container at intervals, and the first positioning part can be matched with any one of the second positioning parts.
Further, the unlocking piece is rotatably arranged on the pen container.
Compared with the prior art, the utility model has the beneficial effects that:
according to the rebound-prevention type pressing telescopic pen knife, the lock catch structure is arranged between the pen container and the blade pressing device, and the blade pressing device is locked and unlocked by the lock catch structure, so that the blade pressing device can be reliably locked when the blade extends out of the pen container, the blade is prevented from rebounding into the pen container under the action of tension force during cutting, and the use experience is improved.
Drawings
FIG. 1 is a schematic view of a structure of an anti-rebound push retractable pen knife in a first state;
FIG. 2 is a cross-sectional view of the anti-rebound type push-on telescopic pen knife shown in FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic view of the structure of the rebound prevention type push retractable pen knife in a second state;
FIG. 5 is a cross-sectional view of the anti-rebound type push-on telescopic pen knife shown in FIG. 4;
FIG. 6 is a partial enlarged view at B in FIG. 5;
FIG. 7 is a schematic view of the structure of the rebound prevention type pressing retractable pen knife in a third state;
FIG. 8 is a schematic view of the internal structure of the anti-rebound type push-button telescopic pen knife shown in FIG. 7;
FIG. 9 is an enlarged view of a portion at C in FIG. 8;
FIG. 10 is an exploded view of the anti-rebound push-on telescopic pen knife shown in FIG. 7;
FIG. 11 is a partial enlarged view at D in FIG. 10;
FIG. 12 is a schematic view of the structure of the pen cap of the present utility model;
FIG. 13 is a schematic view showing the structure of a blade presser in the present utility model
FIG. 14 is a schematic view of the unlocking member of the present utility model in a first view;
fig. 15 is a schematic structural view of the unlocking member in the second view angle.
In the figure:
10. a pen container; 11. a cap; 111. a second positioning portion; 112. a connecting column; 12. a cylinder is arranged; 121. a clamping groove; 1211. a second clamping surface; 122. a guide groove; 13. a lower cylinder; 131. an outlet; 20. a cartridge pressing device; 30. a pen core; 40. a blade presser; 41. a fastening part; 411. a first clamping surface; 42. a first locking member; 50. a blade; 60. an unlocking member; 61. a second locking member; 62. a first positioning portion; 63. a connection hole; 64. a guide protrusion; 70. a guide member; 80. an elastic member.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Referring to fig. 1 to 15, there is shown an anti-rebound type pressing telescopic pen knife according to a preferred embodiment of the present utility model, which comprises a pen container 10, a pen core pressing device 20, a pen core 30, a blade pressing device 40, a blade 50 and a locking structure; the tail end of the pen container 10 is provided with an outlet 131 communicated with the interior of the pen container; the pen core pressing device 20 is arranged on the pen container 10 in a rebound manner and is used for driving a writing part of the pen core 30 to extend out of the pen container 10 or retract into the pen container 10 through the outlet 131; the blade presser 40 is arranged on the pen container 10 in a rebound manner and is used for driving the blade 50 to extend out of the pen container 10 or retract into the pen container 10 through the outlet 131; the locking structure is arranged between the pen container 10 and the blade presser 40 and is used for locking the blade presser 40 under the driving of external force, so that the blade presser 40 maintains a pressed state when the blade 50 is under the cutting tension, and therefore the blade 50 can be reliably maintained to extend out of the pen container 10, the blade 50 is prevented from rebounding into the pen container 10, and the blade presser 40 is unlocked under the driving of external force, so that the blade presser 40 can be reset, and the blade 50 can be retracted into the pen container 10.
According to the rebound prevention type pressing telescopic pen knife, the lock catch structure is arranged between the pen container 10 and the blade pressing device 40, and the blade pressing device 40 is locked and unlocked by the lock catch structure, so that the blade pressing device 40 can be reliably locked when the blade 50 extends out of the pen container 10, the blade 50 is prevented from rebounding into the pen container 10 under the action of pulling force during cutting, and the use experience is improved.
Specifically, in the present embodiment, one of the cartridge pusher 20 and the blade pusher 40 is capable of being engaged with the other lock after being depressed, and one of the two is capable of being reset as the other is depressed, that is, the depressing operation of one of the cartridge pusher 20 and the blade pusher 40 is linked with the rebound reset of the other, only one of the writing part of the cartridge 30 and the blade 50 is allowed to protrude out of the barrel 10 through the outlet 131 at a time.
Specifically, in this embodiment, the latch structure can latch the blade presser 40 as the blade presser 40 is pressed down, and the latch structure can release the latch for the blade presser 40 as the pen core presser 20 is pressed down, so that the blade 50 is driven to extend out of the pen container 10 by pressing the blade presser 40 to latch the blade presser 40, and the latch effect of the latch structure on the blade presser 40 can be released by pressing the pen core presser 20, so that the operation is simple and convenient, and the efficiency is high.
Referring to fig. 2, 3, 5 and 6, the latch structure includes a latch portion 41 and a latch groove 121, the latch portion 41 is disposed on the blade presser 40, the latch groove 121 is disposed on the barrel 10, the latch portion 41 is pressed down by the blade presser 40 and is buckled with the latch groove 121, thereby implementing latch of the blade presser 40, preventing the blade 50 from rebounding into the barrel 10 when cutting, and the latch portion 41 is disengaged from the latch groove 121 when the blade presser 40 is unlocked by the cartridge presser 20, so that the blade presser 40 can rebounding and reset to drive the blade 50 to retract into the barrel 10.
More specifically, referring to fig. 3 and 6, the fastening portion 41 is provided with a first fastening surface 411, the fastening groove 121 is provided with a second fastening surface 1211 capable of abutting against the first fastening surface 411, the first fastening surface 411 is inclined towards the second fastening surface 1211, the blade presser 40 is reliably limited by abutting against the first fastening surface 411 and the second fastening surface 1211, and the blade presser 40 is prevented from being rebounded and reset, and meanwhile, the first fastening surface 411 is a wedge-shaped surface inclined towards the second fastening surface 1211, so that the fastening portion 41 and the fastening groove 121 are matched more reliably, the reliability of locking the blade presser 40 can be improved, and the blade 50 can be prevented from rebounded into the pen container 10 during cutting more effectively.
Referring to fig. 6 and 13, in the present embodiment, the two ends of the blade presser 40 along the length direction thereof are respectively a pressing end and a connecting end connected with the blade 50, the pressing end is provided with a buckling portion 41, and the pressing end is inclined towards the opening direction close to the clamping groove 121, so that the buckling portion 41 is closer to the clamping groove 121, and the depth of the buckling portion 41 embedded into the clamping groove 121 can be deepened when the buckling portion 41 is matched with the clamping groove 121, so that the buckling portion 41 is matched with the clamping groove 121 more reliably, and the buckling reliability of the blade presser 40 is further improved. Of course, in other embodiments, the pressing end may be bent in a direction approaching the opening of the card slot 121, and the pressing end provided in a bent manner may also make the fastening portion 41 closer to the opening of the card slot 121.
In this embodiment, a locking structure is further provided between the barrel 10 and the blade presser 40, the locking structure is used for being driven by an external force to lock the blade presser 40 so as to maintain the state that the blade 50 is retracted into the barrel 10, and the locking structure is also used for being driven by an external force to unlock the blade presser 40 so as to enable the blade 50 to extend out of the barrel 10. Through setting up locking structure, when blade 50 is located in pen container 10, accessible operation locking structure locks blade presser 40, avoids the maloperation blade presser 40 and makes blade presser 40 remove and drive blade 50 and stretch out for blade 50 reliably contracts into pen container 10 in, has improved the safety in utilization.
Referring to fig. 8 to 9, in the present embodiment, the locking structure includes a first locking member 42, a second locking member 61 and an unlocking member 60, the first locking member 42 is connected to the blade presser 40, the second locking member 61 is connected to the unlocking member 60 and has a locking state engaged with the first locking member 42 and an unlocking state disengaged from the first locking member 42, and the unlocking member 60 is movably provided on the barrel 10 and can be driven by an external force to switch the second locking member 61 between the locking state and the unlocking state. That is, the unlocking member 60 is operated to lock or unlock the blade presser 40, so that the operation is convenient, the working reliability is high, the structure is simple and practical, and the cost is low.
Specifically, in the present embodiment, a positioning structure for maintaining the second locking piece 61 in the locked state or the unlocked state is further provided between the unlocking piece 60 and the barrel 10, so that the blade presser 40 is reliably locked or unlocked.
Referring to fig. 12 and 14, in the present embodiment, the positioning structure includes a first positioning portion 62 provided on the unlocking member 60 and two second positioning portions 111 provided on the barrel 10 at intervals, the first positioning portion 62 can be engaged with any one of the second positioning portions 111, that is, when the first positioning portion 62 is engaged with one of the second positioning portions 111, the blade presser 40 is reliably locked, and when the first positioning portion 62 is engaged with the other second positioning portion 111, the blade presser 40 is reliably unlocked.
Specifically, in the present embodiment, one of the first positioning portion 62 and the second positioning portion 111 is a protrusion, and the other is a recess, so that the unlocking member 60 can be driven to move only by slightly applying force to the unlocking member 60, thereby effectively avoiding misoperation of children and further improving use safety.
Of course, in other embodiments, both the first positioning portion 62 and the second positioning portion 111 may be slightly convex protrusions, and the contact between the first positioning portion 62 and any one of the second positioning portions 111 may also enable reliable locking or unlocking of the blade presser 40.
In the present embodiment, the first locking member 42 and the second locking member 61 are protrusions, and the other is a groove, which is simple and practical in structure and high in reliability. In other embodiments, both the first locking member 42 and the second locking member 61 may be protrusions.
In this embodiment, a guiding structure is further disposed between the unlocking member 60 and the pen container 10, and the guiding structure is used for movably guiding the unlocking member 60, so that the unlocking member 60 moves more smoothly and is more convenient to operate.
Specifically, in the present embodiment, the guide structure includes a guide protrusion 64 provided on the unlocking member 60 and a guide groove 122 provided on the barrel 10, and the guide protrusion 64 is slidably provided in the guide groove 122.
In this embodiment, the unlocking member 60 is rotatably disposed on the pen container 10, that is, the blade presser 40 can be locked or unlocked by driving the unlocking member 60 to rotate, and the structure is simple and practical, and the operation is convenient.
Specifically, in the present embodiment, the barrel 10 is provided with the connecting post 112, the unlocking member 60 is provided with the connecting hole 63, the connecting post 112 is rotatably inserted into the connecting hole 63, and the rotatable connection between the unlocking member 60 and the barrel 10 is achieved by using the cooperation of the connecting post 112 and the connecting hole 63.
In other embodiments, the unlocking member 60 may be movably provided to the barrel 10, but is not limited thereto.
In other embodiments, the locking structure may also be an automatic structure, for example, an electric cylinder may be specifically configured, a cylinder body of the electric cylinder is fixedly connected with the pen container 10, the blade presser 40 is locked by driving the rod body of the electric cylinder to extend to abut against the blade presser 40, and the blade presser 40 is unlocked by driving the rod body of the electric cylinder to retract to disengage from the abutment against the blade presser 40.
Specifically, in the present embodiment, the pen container 10 is further provided therein with a guide 70, both the cartridge holder 20 and the blade holder 40 are movably provided on the guide 70, and elastic members 80 are provided between the cartridge holder 20 and the guide 70 and between the blade holder 40 and the guide 70. The cartridge holder 20 and the blade holder 40 can be guided in a movable manner by means of the guide 70, while the provision of the elastic member 80 facilitates the return of both the cartridge holder 20 and the blade holder 40 from the depressed position to the retracted position in the unlocked condition. Wherein the elastic member 80 is a spring.
Specifically, in the present embodiment, for convenience of installation, the pen container 10 includes a cap 11, an upper barrel 12 and a lower barrel 13 which are sequentially connected from top to bottom.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (10)
1. The rebound prevention type pressing telescopic pen knife is characterized by comprising a pen container, a pen core pressing device, a pen core, a blade pressing device, a blade and a locking structure;
the tail end of the pen container is provided with an outlet communicated with the interior of the pen container;
the pen core pressing device is arranged on the pen container in a rebound manner and is used for driving a writing part of the pen core to extend out of the pen container or retract into the pen container through the outlet;
the blade pressing device is arranged on the pen container in a rebound manner and is used for driving the blade to extend out of the pen container or retract into the pen container through the outlet;
the locking structure is arranged between the pen container and the blade presser and is used for locking the blade presser under the drive of external force so that the blade presser maintains a pressed state when the blade is under the cutting tension, and is used for unlocking the blade presser under the drive of external force so that the blade presser can be reset.
2. The anti-rebound type pressing retractable pen knife according to claim 1, wherein one of the pen core pressing device and the blade pressing device can be matched with the other lock after being pressed down, and one of the pen core pressing device and the blade pressing device can be reset along with the other pen core pressing device after being pressed down;
the locking structure can lock the blade pressing device along with the pressing of the blade pressing device, and the locking structure can unlock the blade pressing device along with the pressing of the pen refill pressing device.
3. The rebound prevention type pressing telescopic pencil sharpener of claim 2, wherein the locking structure comprises a buckling part and a clamping groove, the buckling part is arranged on the pencil sharpener, the clamping groove is arranged on the pencil vase, the buckling part is buckled with the clamping groove after the pencil sharpener is pressed down, and the buckling part is disengaged from the clamping groove when the pencil sharpener is unlocked by the pencil lead sharpener.
4. The rebound prevention type pressing telescopic pencil sharpener of claim 3 wherein said clamping portion is provided with a first clamping surface, said clamping groove is provided with a second clamping surface capable of abutting against said first clamping surface, and said first clamping surface is inclined toward said second clamping surface.
5. The rebound prevention type pressing telescopic pencil sharpener of claim 3, wherein the two ends of the blade presser along the length direction are respectively a pressing end and a connecting end connected with the blade, the pressing end is provided with the buckling part, and the pressing end is inclined or bent towards the opening direction close to the clamping groove.
6. The rebound prevention type pressing telescopic pen knife according to claim 1, wherein a locking structure is further arranged between the pen container and the blade pressing device, the locking structure is used for being driven by external force to lock the blade pressing device so as to enable the blade to maintain a state of being retracted into the pen container, and the locking structure is also used for being driven by external force to unlock the blade pressing device so as to enable the blade to extend out of the pen container.
7. The anti-rebound type push telescopic pencil sharpener of claim 6, wherein the locking structure comprises a first locking member, a second locking member and an unlocking member, the first locking member is connected with the blade presser, the second locking member is connected with the unlocking member and has a locking state matched with the first locking member and an unlocking state disengaged from the first locking member, and the unlocking member is movably arranged on the pencil vase and can be driven by external force to switch the second locking member between the locking state and the unlocking state.
8. The anti-rebound type push telescopic pen knife according to claim 7, wherein a positioning structure is further arranged between the unlocking piece and the pen container, and the positioning structure is used for enabling the second locking piece to maintain the locking state or the unlocking state.
9. The rebound prevention type pressing telescopic pencil sharpener of claim 8 wherein said positioning structure comprises a first positioning portion provided on said unlocking member and two second positioning portions provided on said pencil vase at intervals, said first positioning portion being capable of being engaged with any one of said second positioning portions.
10. The anti-rebound type compression telescopic pen knife according to claim 7, wherein the unlocking piece is rotatably arranged on the pen container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222689151.5U CN219055825U (en) | 2022-10-12 | 2022-10-12 | Rebound-proof type pressing telescopic pen knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222689151.5U CN219055825U (en) | 2022-10-12 | 2022-10-12 | Rebound-proof type pressing telescopic pen knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219055825U true CN219055825U (en) | 2023-05-23 |
Family
ID=86343539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222689151.5U Active CN219055825U (en) | 2022-10-12 | 2022-10-12 | Rebound-proof type pressing telescopic pen knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219055825U (en) |
-
2022
- 2022-10-12 CN CN202222689151.5U patent/CN219055825U/en active Active
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