CN209126370U - A kind of Telescopic pencil - Google Patents
A kind of Telescopic pencil Download PDFInfo
- Publication number
- CN209126370U CN209126370U CN201821041402.6U CN201821041402U CN209126370U CN 209126370 U CN209126370 U CN 209126370U CN 201821041402 U CN201821041402 U CN 201821041402U CN 209126370 U CN209126370 U CN 209126370U
- Authority
- CN
- China
- Prior art keywords
- penholder
- long hole
- nib
- sleeve
- connecting cylinder
- 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
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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model provides a kind of Telescopic pencil, more particularly to pencil technical field, including core knock-out device structure, hollow penholder and nib, one end of the core knock-out device structure removably connects the nib, the core knock-out device structure and the nib can be movable in the cavity of the penholder, the penholder is equipped with long hole along its length, the long hole is connected to the cavity of the penholder, the core knock-out device structure is equipped with the connecting shaft outwardly protruded, one end of the connecting shaft passes through the long hole and is equipped with lantern ring, and the set ring set is in the outside of the penholder.The utility model has retractility, and when use extends pencil, convenient for writing, when not in use, shrinks pencil, memory space is small.
Description
Technical field
The utility model belongs to pencil technical field, and in particular to a kind of Telescopic pencil.
Background technique
Pencil is for being write, it includes propelling pencil and non-automatic pencil, and existing propelling pencil generally refers to
After being discharged by dynamic pressure, pencil that spring sets back.Propelling pencil is divided into thick core (being greater than 0.9mm) by pencil-lead diameter
With thin core (being less than 0.9mm) propelling pencil.Core mode is pressed out, knock type, rotary, pulsating and automatic compensation type can be divided into.
Its length is generally longer, for limited memory space, does not store, and needs biggish memory space, and for straight
It connects and shorter propelling pencil is made in use, being inconvenient to write, because pencil needs certain length, it is just comfortable to hold writing.
Therefore it is badly in need of a kind of Telescopic pencil for being able to solve existing issue.
Utility model content
The purpose of the utility model is to provide a kind of Telescopic pencil, there is retractility, when use extends pencil, is convenient for book
It writes, when not in use, shrinks pencil, memory space is small.
The utility model provides the following technical solution:
A kind of Telescopic pencil, including core knock-out device structure, hollow penholder and nib, one end of the core knock-out device structure is detachable
The connection nib, the core knock-out device structure and the nib can be movable in the cavity of the penholder, and the penholder is along long
It spends direction and is equipped with long hole, the long hole is connected to the cavity of the penholder, and the core knock-out device structure is equipped with the connecting shaft outwardly protruded,
One end of the connecting shaft passes through the long hole and is equipped with lantern ring, and the set ring set is in the outside of the penholder.When the use pencil
When, by pushing the lantern ring manually, by one end of the core knock-out device structure and the nib release in the cavity of the penholder into
It exercises and uses, in use, resisting the lantern ring using finger, the nib is avoided to be retracted in the cavity of the penholder；When not using
When the pencil, by pushing the lantern ring that the core knock-out device structure and the nib are fully advanced to the cavity of the penholder manually
It is interior, memory space is reduced, is convenient for carrying.
Preferably, the core knock-out device structure include connecting cylinder, cylinder identical with the diameter of pen core thimble and be equipped with institute
The sleeve of connecting shaft is stated, the both ends of the connecting cylinder are connect with the sleeve and the nib respectively, and the connecting cylinder is covered in institute
It states the outside of one end of nib and is threadably secured connection, the sleeve covers outside the connecting cylinder and the two being capable of opposite fortune
Dynamic, one end of the thimble is equipped with transmission mechanism, and the transmission mechanism can be for linear motion with the thimble, so that described
One end far from the transmission mechanism of thimble passes through the connecting cylinder and enters in the nib.In use, according to
The length of pen core adjusts the thimble and exposes length outside the connecting cylinder, so that adjust pen core goes out core.
Preferably, one end far from the connecting cylinder of the sleeve is equipped with the first ball screw, first ball wire
Bar is located at the sleeve inner, and first ball screw includes the first screw rod and the first spiral shell on first screw rod
Mother, one end of first screw rod is fixed on one end of the sleeve and the axis of the axis of first screw rod and the sleeve
Line is overlapped, and is equipped with the first connecting plate on first nut, is equipped with the thimble on first connecting plate, and described first
Ball screw constitutes the transmission mechanism.This is a kind of mode of core out, in use, can be manually rotated the penholder, due to described
Ring set is covered on the penholder, and the sleeve is equipped with the connecting shaft and passes through the long hole connection lantern ring, so described
When penholder rotates, the side wall of the long hole on the penholder can push the connecting shaft rotation, and then will drive the sleeve
Rotation, the sleeve rotation can then be rotated with first screw rod, according to the action principle of ball screw it is found that when screw rod turns
The nut that will drive on screw rod when dynamic is for linear motion, and therefore, first nut can be for linear motion, connects with described first
Fishplate bar is for linear motion, and then for linear motion with the thimble.
Preferably, the one end of the connecting cylinder being located in the sleeve is equipped with the second ball screw, second ball
Screw rod is located inside the connecting cylinder, second ball screw include the second screw rod and on second screw rod second
Nut, one end of second screw rod is fixed on one end of the connecting cylinder and the axis of second screw rod and the connection
The axis of cylinder is overlapped, and is equipped with the second connecting plate on second nut, the thimble, institute are equipped on second connecting plate
It states the second ball screw and constitutes the transmission mechanism.By can be manually rotated the connecting cylinder, and then second screw rod is driven to turn
It is dynamic, according to the action principle of ball screw it is found that second nut can be by with for linear motion, and then with described second
Connecting plate is for linear motion, and the thimble also can be by with for linear motion.
Preferably, the locker room for storing pen core is equipped with inside one end far from the nib of the penholder, it is described
The opening of locker room is equipped with pen cover, and seal is carved in the outer surface of the end of the pen cover.The locker room can store pen core,
The seal can affix one's seal.
Preferably, there is certain interval, the pen positioned at the both ends of the long hole between the lantern ring and the penholder
It is respectively provided with a groove on the outside of bar, is equipped with elastic ball in the groove, the two sides of the lantern ring are equipped with a through-hole, work as institute
When stating lantern ring and being moved to the lower end of the long hole, the downside of the lantern ring is sprung into positioned at the elastic ball of the lower end of the long hole
The through-hole in, the elastic ball when the lantern ring is moved to the upper end of the long hole, positioned at the upper end of the long hole
It springs into the through-hole of the upside of the lantern ring.In use, the elastic ball can be caught in the through-hole, is kept away
Exempt from hand always according to the lantern ring.
The beneficial effects of the utility model are: having retractility, when use, extends pencil, convenient for writing, when not in use, receives
Contracting pencil, memory space are small.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the main view of the utility model contraction state；
Fig. 2 is the main view of the use state in Fig. 1；
Fig. 3 is the exploded view in Fig. 2；
Fig. 4 is the structural schematic diagram equipped with the first transmission mechanism of penholder；
Fig. 5 is the structural schematic diagram equipped with second of transmission mechanism of penholder.
Wherein in the figure, it is marked as 1, penholder；2, written；3, long hole；4, connecting shaft；5, lantern ring；6, connecting cylinder；7, thimble；
8, sleeve；9, the first ball screw；91, the first screw rod；92, the first nut；10, the first connecting plate；11, the second ball screw；
111, the second screw rod；112, the second nut；12, the second connecting plate；13, locker room；14, pen cover；141, seal；15, through-hole；
16, groove；17, elastic ball.
Specific embodiment
As shown in Figs. 1-5, a kind of Telescopic pencil, including core knock-out device structure, hollow penholder 1 and nib 2, core knock-out device structure
One end removably connects nib 2, and core knock-out device structure and nib 2 can be movable in the cavity of penholder 1, and penholder 1 is along its length
Equipped with long hole 3, long hole 3 is connected to the cavity of penholder 1, and core knock-out device structure is equipped with the connecting shaft 4 outwardly protruded, one end of connecting shaft 4
Lantern ring 5,5 sets of the lantern ring outsides in penholder 1 are equipped with across long hole 3.
Specifically, core knock-out device structure include connecting cylinder 6, cylinder identical with the diameter of pen core thimble 7 and be equipped with connection
The sleeve 8 of axis 4, the both ends of connecting cylinder 6 are connect with sleeve 8 and nib 2 respectively, and the outside of 6 sets of connecting cylinder one end in nib 2 is simultaneously
Be threadably secured connection, 8 sets of sleeve outer in connecting cylinder 6 and the two can relative motion, one end of thimble 7 is equipped with driver
Structure, transmission mechanism can be for linear motion with thimble 7 so that one end of the separate transmission mechanism of thimble 7 pass through connecting cylinder 6 into
Enter into nib 2.In use, the length outside the exposing connecting cylinder 6 of thimble 7 is adjusted according to the length of pen core, to adjust
Pen core goes out core.
Transmission mechanism includes following two:
The first is: one end of the separate connecting cylinder 6 of sleeve 8 is equipped with the first ball screw 9, and the first ball screw 9 is located at
Inside sleeve 8, the first ball screw 9 includes the first screw rod 91 and the first nut 92 on the first screw rod 91, the first screw rod
91 one end is fixed on the axis of the axis of the first screw rod 91 and sleeve 8 on one end of sleeve 8 and is overlapped and is located at the axis of sleeve 8
On, the first connecting plate 10 is installed on first nut 92, thimble 7 is installed on first connecting plate 10, the first ball screw 9 is constituted
Transmission mechanism.This is a kind of mode of core out, in use, can be manually rotated penholder 1, since 5 sets of lantern ring on penholder 1, and sleeve 8
Long hole 3 is passed through equipped with connecting shaft 4 and connects lantern ring 5, so the side wall of the long hole 3 on penholder 1 can push connection when penholder 1 rotates
Axis 4 rotates, and then will drive the rotation of sleeve 8, and the rotation of sleeve 8 can then be rotated with the first screw rod 91, according to the work of ball screw
With principle it is found that the nut that will drive on screw rod when screw rod rotation is for linear motion, therefore, the first nut 92 can make straight line fortune
It is dynamic, it is for linear motion with the first connecting plate 10 and then for linear motion with thimble 7.
Second is: the one end of connecting cylinder 6 being located in sleeve 8 is equipped with the second ball screw 11, the second ball screw 11
Inside connecting cylinder 6, the second ball screw 11 includes the second screw rod 111 and the second nut on the second screw rod 111
112, one end of the second screw rod 111 is fixed on one end of connecting cylinder 6 and the axis of the axis of the second screw rod 111 and connecting cylinder 6
It is overlapped, second connecting plate 12 is installed on the second nut 112, thimble 7, the second ball screw 11 are installed on second connecting plate 12
Constitute transmission mechanism.By can be manually rotated connecting cylinder 6, and then the rotation of the second screw rod 111 is driven, it is former according to the effect of ball screw
Reason it is found that the second nut 112 can be by with for linear motion and then for linear motion with the second connecting plate 12, also can by thimble 7
By with for linear motion.
Specifically, being equipped with the locker room 13 for storing pen core, locker room 13 inside one end far from nib 2 of penholder 1
Opening be equipped with pen cover 14, seal 141 is carved in the outer surface of the end of pen cover 14.Locker room 13 can store pen core, seal
141 can affix one's seal.
Specifically, having certain interval between lantern ring 5 and penholder 1, the outside positioned at the penholder 1 at the both ends of long hole 3 is respectively set
There is a groove 16, is equipped with elastic ball 17 in groove 16, the two sides of lantern ring 5 are equipped with a through-hole 15, when lantern ring 5 is moved to length
When the lower end in hole 3, in the through-hole 15 of the downside that springs into lantern ring 5 of elastic ball 17 of the lower end of long hole 3, when lantern ring 5 is moved to
When the upper end of long hole 3, in the through-hole 15 of the upside that springs into lantern ring 5 of elastic ball 17 of the upper end of long hole 3.In use process
In, elastic ball 17 can be caught in through-hole 15, avoid hand always according to lantern ring 5.
Application method:
When using the pencil, by pushing lantern ring 5 to move downward along long hole 3 manually, by one end of core knock-out device structure and pen
It is carried out in the cavity of first 2 release penholder 1 using avoiding nib 2 from being retracted the skies of penholder 1 in use, resist lantern ring 5 using finger
In chamber；It is by pushing lantern ring 5 to move upwards along long hole 3 manually, core knock-out device structure and nib 2 is complete when not using the pencil
In the cavity for promoting penholder 1, memory space is reduced, is convenient for carrying.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, although referring to before
Embodiment is stated the utility model is described in detail, it for those skilled in the art, still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features.It is all this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of Telescopic pencil, which is characterized in that including core knock-out device structure, hollow penholder and nib, the core knock-out device structure
One end removably connects the nib, and the core knock-out device structure and the nib can be movable in the cavity of the penholder, institute
It states penholder and is equipped with long hole along its length, the long hole is connected to the cavity of the penholder, and the core knock-out device structure is equipped with convex
Connecting shaft out, one end of the connecting shaft pass through the long hole and are equipped with lantern ring, and the set ring set is in the outside of the penholder.
2. Telescopic pencil according to claim 1, which is characterized in that the core knock-out device structure includes connecting cylinder and pen core
The identical cylinder of diameter thimble and sleeve equipped with the connecting shaft, the both ends of the connecting cylinder respectively with the sleeve
With the nib connection, the connecting cylinder covers the outside in one end of the nib and is threadably secured connection, the sleeve
Cover outside the connecting cylinder and the two can relative motion, one end of the thimble is equipped with transmission mechanism, the transmission mechanism energy
It is enough for linear motion with the thimble so that one end far from the transmission mechanism of the thimble pass through the connecting cylinder into
Enter into the nib.
3. Telescopic pencil according to claim 2, which is characterized in that one end far from the connecting cylinder of the sleeve
Equipped with the first ball screw, first ball screw is located at the sleeve inner, and first ball screw includes first
Bar and the first nut on first screw rod, one end of first screw rod is fixed on one end of the sleeve and institute
The axis of the axis and the sleeve of stating the first screw rod is overlapped, and is equipped with the first connecting plate on first nut, and described first
The thimble is installed, first ball screw constitutes the transmission mechanism on connecting plate.
4. Telescopic pencil according to claim 2, which is characterized in that one be located in the sleeve of the connecting cylinder
End is equipped with the second ball screw, and second ball screw is located inside the connecting cylinder, and second ball screw includes the
One end of two screw rods and the second nut on second screw rod, second screw rod is fixed on one end of the connecting cylinder
The axis of upper and described second screw rod and the axis of the connecting cylinder are overlapped, and are equipped with the second connecting plate on second nut,
The thimble is installed, second ball screw constitutes the transmission mechanism on second connecting plate.
5. Telescopic pencil according to claim 1, which is characterized in that in one end far from the nib of the penholder
Portion is equipped with the locker room for storing pen core, and the opening of the locker room is equipped with pen cover, the outer surface of the end of the pen cover
It is carved with seal.
6. Telescopic pencil according to claim 1, which is characterized in that have between the lantern ring and the penholder certain
Gap is respectively provided with a groove on the outside of the penholder at the both ends of the long hole, is equipped with elastic ball, institute in the groove
The two sides for stating lantern ring are equipped with a through-hole, when the lantern ring is moved to the lower end of the long hole, under the long hole
In the through-hole for the downside that the elastic ball at end springs into the lantern ring, when the lantern ring is moved to the upper end of the long hole
When, in the through-hole of the elastic ball upside that springs into the lantern ring of the upper end of the long hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821041402.6U CN209126370U (en) | 2018-07-03 | 2018-07-03 | A kind of Telescopic pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821041402.6U CN209126370U (en) | 2018-07-03 | 2018-07-03 | A kind of Telescopic pencil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209126370U true CN209126370U (en) | 2019-07-19 |
Family
ID=67228080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821041402.6U Expired - Fee Related CN209126370U (en) | 2018-07-03 | 2018-07-03 | A kind of Telescopic pencil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209126370U (en) |
-
2018
- 2018-07-03 CN CN201821041402.6U patent/CN209126370U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190719 Termination date: 20200703 |