CN205468068U - Automatic knockout pen - Google Patents
Automatic knockout pen Download PDFInfo
- Publication number
- CN205468068U CN205468068U CN201620045140.5U CN201620045140U CN205468068U CN 205468068 U CN205468068 U CN 205468068U CN 201620045140 U CN201620045140 U CN 201620045140U CN 205468068 U CN205468068 U CN 205468068U
- Authority
- CN
- China
- Prior art keywords
- knockout
- collar
- shell fragment
- shaft
- writing brush
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012634 fragment Substances 0.000 claims abstract description 58
- 230000002093 peripheral effect Effects 0.000 claims abstract description 16
- 230000008602 contraction Effects 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 239000011258 core-shell material Substances 0.000 abstract 3
- 238000000034 method Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
The utility model relates to an automatic knockout pen, including the shaft of a writing brush shaft -like and well expert, toper nib and knockout mechanism, the shaft of a writing brush is worn to locate by knockout mechanism, knockout mechanism is including the knockout pipe that holds the refill, the knockout pipe is provided with the knockout mouth that can open with the tip that shaft of a writing brush head corresponds, the knockout mouth presss from both sides the core shell fragment by a plurality of that sets up along the circumference to be constituteed, the knockout pipe is located double -layered core shell fragment periphery and still is provided with the beam set, be provided with the guide breach between the adjacent double -layered core shell fragment, the beam set inner peripheral surface is provided with the bootstrap block with the position that the guide breach corresponds, guide breach area is along with the direction of keeping away from shaft of a writing brush head diminishes gradually. When the scheme is adopted, the utility model provides a long service life's automatic knockout pen.
Description
Technical field
This utility model relates to a kind of pen, is specifically related to a kind of automatic propelling pencil.
Background technology
Automatic propelling pencil is pen common in a kind of daily life, it is for replacing traditional pencil and color lead, avoid traditional pencil and color lead after disconnected core, need the inconvenience utilizing pencil sharper just can be continuing with after head is carried out grinding, this automatic propelling pencil only needs the button of pressing pen body tail end that pen core can be allowed to stretch out from head, reaches the convenient purpose continuing and writing.
Traditional automatic propelling pencil include shaft-like and in the logical shaft of a writing brush, shaft of a writing brush head is provided with taper nib, wear in the shaft of a writing brush and be equipped with knockout mechanism, this knockout mechanism includes the knockout pipe of accommodating pen refill, the end that knockout pipe is corresponding with shaft of a writing brush head is provided with openable knockout mouth, the sandwich shell fragment that knockout mouth is flicked from trend side by both sides forms, the holes for clamping suitable with pen core is constituted during the shell fragment Guan Bi of both sides, knockout pipe is positioned at sandwich shell fragment periphery and is additionally provided with collar, when user presses the tail end of knockout pipe, collar is spacing by taper nib institute, shell fragment clamping pen core continues to advance to nib, until shell fragment is away from collar, sandwich shell fragment is opened, pen core reaches precalculated position, unclamp hands to refer to, the reset assembly arranged on knockout pipe is returned to reversely mobile for shell fragment in collar, clamp next section of pen core, thus complete a whole knockout action.
Such knockout mode, open laterally owing to being completely dependent on the elasticity of sandwich shell fragment self, therefore after when automatic propelling pencil is long-time, sandwich shell fragment is repeatedly opened or draws in and resulted in elastic fatigue, after exceeding elastic strength, sandwich shell fragment cannot be opened to predetermined aperture, may result in sandwich shell fragment and cannot depart from pen core, cause the pen core when sandwich shell fragment return as well as synchronizing return, to cause automatic propelling pencil to lose function.
Summary of the invention
The deficiency existed for prior art, the purpose of this utility model is to provide the automatic propelling pencil of length in a kind of service life.
For achieving the above object, this utility model provides following technical scheme: include shaft-like and in the logical shaft of a writing brush, taper nib and knockout mechanism, described knockout mechanism is arranged in the shaft of a writing brush, described knockout mechanism includes the knockout pipe of accommodating pen refill, the end that described knockout pipe is corresponding with shaft of a writing brush head is provided with openable knockout mouth, described knockout mouth is made up of several sandwich shell fragments circumferentially arranged, described knockout pipe is positioned at sandwich shell fragment periphery and is additionally provided with collar, it is characterized in that: between adjacent described sandwich shell fragment, be provided with guiding breach, the position that described collar inner peripheral surface is corresponding with guiding breach is provided with bootstrap block, the described breach area that guides tapers into along with the direction away from shaft of a writing brush head.
By using technique scheme, when sandwich shell fragment stretches out collar, sandwich shell fragment bootstrap block while Automatic-expanding can extrude the guiding breach of bootstrap block, i.e. extrude sandwich shell fragment circumferentially deploying and launch laterally, such physical engagement makes sandwich shell fragment after flexibility decrease, the aperture of sandwich shell fragment also can be protected, and is greatly increased the service life of chamber sandwich shell fragment；Secondly, the sandwich shell fragment of this kind of structure can be by tradition sandwich shell fragment repacking, additional designs and manufacture collar, cost-effective and material.
This utility model is further arranged to: described bootstrap block is provided with limiting section and guide part relative on the circumferential two ends end face of knockout pipe, the limiting section of described bootstrap block two ends end face be arranged in parallel, and the guide part of described bootstrap block extends from limiting section to the direction away from nib and moves closer to the guide part of other end end face.
By using technique scheme, the maximum that the position of spacing army adjacent sandwich shell fragment carries out leaving gap is spacing, the guide part being obliquely installed then makes guiding breach more preferably fit with it, guides sandwich shell fragment to launch with more preferable gradient, optimizes the smoothness of knockout work.
This utility model is further arranged to: described sandwich shell fragment cross section is sector, constitutes the fan-shaped chamber suitable with sandwich shell fragment shape between adjacent described bootstrap block.
By using technique scheme, fan-shaped chamber coordinates fan-shaped sandwich shell fragment, forms the automatic spacing of sandwich shell fragment, it is to avoid sandwich shell fragment sandwich shell fragment when stretching out collar is guided the inner side that is pressed against of block and tilts.
This utility model is further arranged to: be provided with reset assembly in described knockout mechanism, described reset assembly includes being fixed on taper nib and being sheathed on knockout pipe and the reset transistor of collar periphery, reseting disk circumferentially it is provided with on described knockout pipe outer peripheral face, described knockout pipe outer peripheral face is arranged with back-moving spring, and described back-moving spring pressure is located between reset transistor end face and reseting disk away from taper nib.
By using technique scheme, knockout pipe is as the installation position of back-moving spring, and multitube is nested increase contact area, increase flexible stability and the mounting stability of back-moving spring, owing to reset transistor is sheathed on knockout pipe and collar periphery, back-moving spring pressure is located between reset transistor and reseting disk and i.e. increases size, make to be easy to during assembling take and install, substantially increase efficiency of assembling.
This utility model is further arranged to: be provided with slipping block on the position that described knockout pipe outer peripheral face overlaps with reset transistor, and the position that described reset transistor is corresponding with slipping block is provided with the sliding mouth supplying slipping block along knockout pipe axial slip.
By using technique scheme, slipping block coordinates sliding mouth without departing from nib while ensureing knockout pipe axial slip, it is ensured that the stability of use.
This utility model is further arranged to: being provided with the sliding pin that pressing can be shunk to inner side between described knockout Guan Shangyu slipping block, described knockout Guan Shangyu slipping block is corresponding is provided with knockout pipe contraction mouth.
By using technique scheme, sliding pin coordinates knockout pipe contraction mouth, and slipping block can be shunk by Manual press, consequently facilitating the nib dismounting relatively of knockout pipe.
This utility model is further arranged to: be provided with mounting blocks with reset transistor on the position that described collar overlaps, and the position that described reset transistor is corresponding with collar is provided with the installing port supplying mounting blocks along knockout pipe axial slip.
By using technique scheme, mounting blocks coordinates installing port without departing from nib while ensureing collar axial slip, it is ensured that the stability of use.
This utility model is further arranged to: is provided with the installation pin that pressing can be shunk to inner side on described collar and between mounting blocks, corresponding with mounting blocks on described collar is provided with collar contraction mouth.
By using technique scheme, installing pin and coordinate collar contraction mouth, mounting blocks can be shunk by Manual press, consequently facilitating go out collar nib dismounting relatively.
This utility model is further arranged to: being positioned at small end in described taper nib and be coaxially arranged with duct-like guide pin bushing, described guide pin bushing is inclined to set towards the end face of the shaft of a writing brush, and this end face moves closer to the small end of taper nib along with diameter diminishes.
By using technique scheme, guide pin bushing end face is inclined to be re-registrated by the guiding of guide pin bushing end face when making pen core trace offset, it is to avoid pen core is stuck, it is ensured that smooth and easy knockout.
This utility model is further arranged to: described guide pin bushing inner peripheral surface is provided with and supports, with pen core, the cambered surface salient point joined.
By using technique scheme, cambered surface salient point is joined a little as supporting of pen core, reduces the contact area between pen core and guide pin bushing, increases the smoothness of knockout while reducing pen core abrasion.
With detailed description of the invention, this utility model is further described below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of this utility model detailed description of the invention；
Fig. 2 is the explosive view of this utility model detailed description of the invention；
Fig. 3 is the sectional view of this utility model detailed description of the invention；
Fig. 4 is the enlarged drawing of A in Fig. 3；
Fig. 5 is the axonometric chart of knockout pipe in this utility model detailed description of the invention；
Fig. 6 is the axonometric chart of collar in this utility model detailed description of the invention；
Fig. 7 is the axonometric chart of taper nib in this utility model detailed description of the invention.
Detailed description of the invention
nullAs shown in Fig. 1 Fig. 7，The utility model discloses a kind of automatic propelling pencil，Including shaft-like and in the logical shaft of a writing brush 1、Taper nib 2 and knockout mechanism，The shaft of a writing brush 1 and taper nib 2 threaded engagement，Knockout mechanism is arranged in the shaft of a writing brush 1，Knockout mechanism includes the knockout pipe 3 of accommodating pen refill，Knockout pipe 3 tail end is provided with the button 37 for sealing，The end that knockout pipe 3 is corresponding with the shaft of a writing brush 1 head is provided with openable knockout mouth，Knockout mouth is made up of several sandwich shell fragments 31 circumferentially arranged，Knockout pipe 3 is positioned at sandwich shell fragment 31 periphery and is additionally provided with collar 4，Guiding breach 311 it is provided with between adjacent sandwich shell fragment 31，The position that collar 4 inner peripheral surface is corresponding with guiding breach 311 is provided with bootstrap block 41，Breach 311 area is guided to taper into along with the direction away from the shaft of a writing brush 1 head，When sandwich shell fragment 31 stretches out collar 4，Sandwich shell fragment 31 bootstrap block 41 while Automatic-expanding can extrude the guiding breach 311 of bootstrap block 41，I.e. extrude sandwich shell fragment 31 circumferentially deploying and launch laterally，Such physical engagement makes sandwich shell fragment 31 after flexibility decrease，The aperture of sandwich shell fragment 31 also can be protected，It is greatly increased the service life of chamber sandwich shell fragment 31；Secondly, the sandwich shell fragment 31 of this kind of structure can be reequiped by tradition sandwich shell fragment 31, additional designs and manufacture collar 4, cost-effective and material.
It is provided with limiting section 411 and guide part 412 on the circumferential two ends end face of the relative knockout pipe of bootstrap block 41, the limiting section 411 of described bootstrap block two ends end face be arranged in parallel, the guide part 412 of described bootstrap block extends from limiting section 411 to the direction away from nib and moves closer to the guide part 412 of other end end face, the maximum that the position of limiting section 411 team adjacent sandwich shell fragment carries out leaving gap is spacing, the guide part 412 being obliquely installed then makes guiding breach more preferably fit with it, guide sandwich shell fragment to launch with more preferable gradient, optimize the smoothness of knockout work.
Sandwich shell fragment 31 cross section is sector, the fan-shaped chamber 42 suitable with sandwich shell fragment 31 shape is constituted between adjacent bootstrap block 41, fan-shaped chamber 42 coordinates the sandwich shell fragment 31 of sector, form the automatic spacing of sandwich shell fragment 31, it is to avoid sandwich shell fragment 31 sandwich shell fragment 31 when stretching out collar 4 is guided the inner side that is pressed against of block 41 and tilts.
It is provided with reset assembly in knockout mechanism, reset assembly includes being fixed on taper nib 2 and being sheathed on knockout pipe 3 and the reset transistor 21 of collar 4 periphery, reseting disk 32 circumferentially it is provided with on knockout pipe 3 outer peripheral face, knockout pipe 3 outer peripheral face is arranged with back-moving spring 33, back-moving spring 33 pressure is located at reset transistor 21 away between end face and the reseting disk 32 of taper nib 2, knockout pipe 3 is as the installation position of back-moving spring 33, and multitube is nested increase contact area, increase flexible stability and the mounting stability of back-moving spring 33, owing to reset transistor 21 is sheathed on knockout pipe 3 and collar 4 periphery, back-moving spring 33 pressure is located between reset transistor 21 and reseting disk 32 and i.e. increases size, make to be easy to during assembling take and install, substantially increase efficiency of assembling.
It is provided with slipping block 34 on the position that knockout pipe 3 outer peripheral face overlaps with reset transistor 21, the sliding mouth 211 supplying slipping block 34 along knockout pipe 3 axial slip it is provided with on the position that reset transistor 21 is corresponding with slipping block 34, slipping block 34 coordinates sliding mouth 211 without departing from nib while ensureing knockout pipe 3 axial slip, it is ensured that the stability of use.
The sliding pin 35 that pressing can be shunk it is provided with to inner side on knockout pipe 3 and between slipping block 34, corresponding with slipping block 34 on knockout pipe 3 it is provided with knockout pipe contraction mouth 36, sliding pin 35 coordinates knockout pipe contraction mouth 36, slipping block 34 can be shunk by Manual press, consequently facilitating knockout pipe 3 nib dismounting relatively.
It is provided with mounting blocks 43 on the position that collar 4 overlaps with reset transistor 21, the installing port 212 supplying mounting blocks 43 along knockout pipe 3 axial slip it is provided with on the position that reset transistor 21 is corresponding with collar 4, mounting blocks 43 coordinates installing port 212 without departing from nib while ensureing collar 4 axial slip, it is ensured that the stability of use.
The installation pin 44 that pressing can be shunk it is provided with to inner side on collar 4 and between mounting blocks 43, corresponding with mounting blocks 43 on collar 4 it is provided with collar contraction mouth 45, pin 44 is installed and coordinates collar contraction mouth 45, mounting blocks 43 can be shunk by Manual press, consequently facilitating go out collar 4 nib dismounting relatively.
It is positioned at small end in taper nib 2 and is coaxially arranged with duct-like guide pin bushing 22, guide pin bushing 22 is inclined to set towards the end face 221 of the shaft of a writing brush 1, this end face 221 moves closer to the small end of taper nib 2 along with diameter diminishes, guide pin bushing 22 end face is inclined to be guided by guide pin bushing 22 end face when making pen core trace offset and re-registrates, avoid pen core stuck, it is ensured that smooth and easy knockout.
Guide pin bushing 22 inner peripheral surface is provided with and supports, with pen core, the cambered surface salient point 222 joined, and cambered surface salient point 222 is joined a little as supporting of pen core, reduces the contact area between pen core and guide pin bushing 22, increases the smoothness of knockout while reducing pen core abrasion.
Often for the ease of lock pin and saving material, can circumferentially offer 223 guide pin bushing breach on guide pin bushing 22, reset transistor 21 periphery be provided with and the external screw thread 23 of the shaft of a writing brush 1 threaded engagement.
Claims (10)
1. an automatic propelling pencil, including shaft-like and in the logical shaft of a writing brush, taper nib and knockout mechanism, described knockout mechanism is arranged in the shaft of a writing brush, described knockout mechanism includes the knockout pipe of accommodating pen refill, the end that described knockout pipe is corresponding with shaft of a writing brush head is provided with openable knockout mouth, described knockout mouth is made up of several sandwich shell fragments circumferentially arranged, described knockout pipe is positioned at sandwich shell fragment periphery and is additionally provided with collar, it is characterized in that: between adjacent described sandwich shell fragment, be provided with guiding breach, the position that described collar inner peripheral surface is corresponding with guiding breach is provided with bootstrap block, the described breach area that guides tapers into along with the direction away from shaft of a writing brush head.
Automatic propelling pencil the most according to claim 1, it is characterized in that: described bootstrap block is provided with limiting section and guide part relative on the circumferential two ends end face of knockout pipe, the limiting section of described bootstrap block two ends end face be arranged in parallel, and the guide part of described bootstrap block extends from limiting section to the direction away from nib and moves closer to the guide part of other end end face.
Automatic propelling pencil the most according to claim 1, it is characterised in that: described sandwich shell fragment cross section is sector, constitutes the fan-shaped chamber suitable with sandwich shell fragment shape between adjacent described bootstrap block.
Automatic propelling pencil the most according to claim 1 and 2, it is characterized in that: in described knockout mechanism, be provided with reset assembly, described reset assembly includes being fixed on taper nib and being sheathed on knockout pipe and the reset transistor of collar periphery, reseting disk circumferentially it is provided with on described knockout pipe outer peripheral face, described knockout pipe outer peripheral face is arranged with back-moving spring, and described back-moving spring pressure is located between reset transistor end face and reseting disk away from taper nib.
Automatic propelling pencil the most according to claim 4, it is characterized in that: on the position that described knockout pipe outer peripheral face overlaps with reset transistor, be provided with slipping block, the position that described reset transistor is corresponding with slipping block is provided with the sliding mouth supplying slipping block along knockout pipe axial slip.
Automatic propelling pencil the most according to claim 5, it is characterised in that: being provided with the sliding pin that pressing can be shunk to inner side between described knockout Guan Shangyu slipping block, described knockout Guan Shangyu slipping block is corresponding is provided with knockout pipe contraction mouth.
Automatic propelling pencil the most according to claim 4, it is characterised in that: it is provided with mounting blocks on the position that described collar overlaps with reset transistor, the position that described reset transistor is corresponding with collar is provided with the installing port supplying mounting blocks along knockout pipe axial slip.
Automatic propelling pencil the most according to claim 7, it is characterised in that: it is provided with the installation pin that pressing can be shunk to inner side on described collar and between mounting blocks, corresponding with mounting blocks on described collar is provided with collar contraction mouth.
Automatic propelling pencil the most according to claim 1, it is characterized in that: be positioned at small end in described taper nib and be coaxially arranged with duct-like guide pin bushing, described guide pin bushing is inclined to set towards the end face of the shaft of a writing brush, and this end face moves closer to the small end of taper nib along with diameter diminishes.
Automatic propelling pencil the most according to claim 9, it is characterised in that: described guide pin bushing inner peripheral surface is provided with and supports, with pen core, the cambered surface salient point joined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620045140.5U CN205468068U (en) | 2016-01-18 | 2016-01-18 | Automatic knockout pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620045140.5U CN205468068U (en) | 2016-01-18 | 2016-01-18 | Automatic knockout pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205468068U true CN205468068U (en) | 2016-08-17 |
Family
ID=56669908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620045140.5U Expired - Fee Related CN205468068U (en) | 2016-01-18 | 2016-01-18 | Automatic knockout pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205468068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691037A (en) * | 2016-01-18 | 2016-06-22 | 南中德 | Automatic propelling pencil |
-
2016
- 2016-01-18 CN CN201620045140.5U patent/CN205468068U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691037A (en) * | 2016-01-18 | 2016-06-22 | 南中德 | Automatic propelling pencil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |