CN208085311U

CN208085311U - Pigment pen

Info

Publication number: CN208085311U
Application number: CN201721080823.5U
Authority: CN
Inventors: 王亮; 李占杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-08-25
Filing date: 2017-08-25
Publication date: 2018-11-13
Anticipated expiration: 2027-08-25

Abstract

The utility model provides a kind of pigment pen, is related to the technical field of draw tool.Pigment pen includes nib and penholder, penholder include outer penholder and inner penholder；Cavity is provided on outer penholder, cavity runs through outer penholder along the length direction of outer penholder；Nib is removably connected to one end of cavity, and written one end far from outer penholder is drawing portion；Inner penholder is interspersed in cavity and one end far from nib is located at the outside of cavity, and the length direction that inner penholder can be along outer penholder in cavity moves.The length of water Chalk holder provided by the utility model is scalable, and nib is detachable, and the occupied space alleviated present in pigment pen in the prior art is big, inconvenient to carry, the technical issues of failing to make full use of resource.

Description

Pigment pen

Technical field

The utility model is related to the technical fields of draw tool, more particularly, to a kind of pigment pen.

Background technology

Pigment pen is a kind of important tool for drawing gouache；Gouache is drawn using water concocting silty pigment A kind of picture, picture can generate the artistic effects such as gorgeous, soft and moist, bright, simple and honest, be a kind of very popular form of painting；It paints Picture person improves the artistic level of drawn works to find inspiration, often need to run in the guide city street, park and building it Between, or be field, massif and the woods in countryside.In these active procedures, the upper draw tool of painter's needs carrying, one A little common draw tools include drawing board, gouache color and pigment pen, and outfit is more, carries very inconvenient；Especially It is that pigment pen includes nib and penholder, and penholder is longer, is taken up too much space；Pigment pen has been divided into a variety of according to the size of nib Model, and draw a width and draw, it must be carried including various models when needing the pigment pen of different model to be used cooperatively, therefore going out A whole set of pigment pen, keep carrying amount heavier, for carry add difficulty.In addition, the nib of pigment pen is easily damaged, and pen Head and penholder are integrally fixed at together, every time when nib damage, cannot be individually replaced nib, whole branch pen include nib and penholder all It throws away, wastes resource.In conclusion that there are occupied spaces is big for pigment pen in the prior art, and it is inconvenient to carry, fail to fill The technical issues of dividing using resource.

Utility model content

The purpose of this utility model is to provide a kind of pigment pens, to alleviate accounting for present in pigment pen in the prior art It is big with space, it is inconvenient to carry, the technical issues of failing to make full use of resource.

Pigment pen provided by the utility model includes nib and penholder, penholder include outer penholder and inner penholder；On outer penholder It is provided with cavity, cavity runs through outer penholder along the length direction of outer penholder；Nib is removably connected to one end of cavity, written One end far from outer penholder is drawing portion；Inner penholder is interspersed in cavity and one end far from nib is located at the outside of cavity, interior Penholder can be along outer penholder in cavity length direction move.

Further, it is provided with the interconnecting piece coordinated with cavity in nib, slot is provided on interconnecting piece, slot is along perpendicular to pen Interconnecting piece is run through in the direction of the length direction of head, and slot extends from the outer end of interconnecting piece towards drawing portion, and the outer wall of interconnecting piece leans on certainly The outer end face of one end to the interconnecting piece in nearly drawing portion is inclined outwardly.

Further, the outer wall of interconnecting piece is provided with first annular protrusion；The inner wall of cavity be provided with it is first annular convex Act the clamping groove being engaged by clamping.

Further, it is provided with external screw thread on the side in written separate drawing portion, is provided on the inner wall of cavity and pen The internal thread of external screw thread cooperation on head.

Further, the end set far from nib of the inner wall of cavity has the first inclined surface, the circumference of the first inclined surface Diameter gradually increases from one end far from nib to close to one end of nib；Inner penholder be located at cavity in end set have with The lock projection of first inclined surface cooperation.

Further, one end far from outer penholder of inner penholder connects crown cap, and top cap can prevent the separate outer of inner penholder One end of penholder is fallen into cavity.

Further, further include locking body, locking body is threadingly attached to one end far from nib of cavity；Locking body It is provided with through-hole along its length, inner penholder is interspersed in the through-hole of locking body；The inner wall of end far from nib of cavity is set It is equipped with the second inclined surface, the circle diameter of the second inclined surface is gradually reduced from one end far from nib to close to one end of nib； The end set of locking body being located in cavity has the multiple tightening bodies coordinated with the second inclined surface, tightens being tilted with second for body The outer wall of face contact, slopes inwardly from one end far from nib to close to one end of nib, tightens the side towards inner penholder of body Face is abutted with the outer wall of inner penholder, end face circumferentially-spaced of multiple tightening bodies along locking body.

Further, multiple second annular protrusions are provided on the outer wall of inner penholder, multiple second annular protrusions are along interior pen The length direction interval of bar is uniformly distributed.

Further, the inner wall of cavity is provided with spiral groove, and multiple limiting through hole are provided in spiral groove, limit The axis of position through-hole is vertical with the central axes of cavity and intersects, and multiple limiting through hole are spaced apart；Blind hole is provided on inner penholder, The axis of blind hole and the central axis of inner penholder and intersection；The interior setting of blind hole has elastic component and hoodle, and the one of elastic element End is contacted with the bottom surface of blind hole, and the other end is contacted with hoodle, and hoodle is embedded in spiral groove, and hoodle can be in spiral groove Sliding, the diameter of hoodle are more than the diameter of the limiting through hole on outer penholder.

Further, blind hole there are two being arranged on inner penholder, the both sides of the center line for the inner penholder that two blind holes are located at, and And its axis is mutually parallel；The distance of the length direction along outer penholder of two neighboring limiting through hole on outer penholder and two The distance between axis of blind hole is equal to the half pitch of spiral groove.

Pigment pen provided by the utility model, is related to the technical field of draw tool.Pigment pen includes nib and penholder, pen Bar includes outer penholder and inner penholder；Cavity is provided on outer penholder, cavity runs through outer penholder along the length direction of outer penholder；Nib It is removably connected to one end of cavity, written one end far from outer penholder is drawing portion；Inner penholder is interspersed in cavity and remote One end from nib is located at the outside of cavity, and the length direction that inner penholder can be along outer penholder in cavity moves.Using this reality When being painted with the pigment pen of novel offer, it can select the nib of suitable types according to the demand of current drawn part, be fixed to outer It draws a picture on the cavity of penholder, when needing to exchange the nib of another model, former nib need to only be removed and change institute Need the nib of model that can continue to draw a picture.So, in outgoing drawing, it is only necessary to carry the complete nib of model and one Penholder can meet needed for drawing.One pigment pen, penholder length are two to three times of nib, and the space occupied is much larger, because This reduces the quantity for carrying penholder, it is possible to reduce carrying amount.In addition, when nib appearance damage cannot be in use, only need to change new Nib, without throwing away whole pigment pen, penholder can also continue to use, and save resource.Pigment provided by the utility model The inner penholder of pen can be moved relative to outer penholder, realize the flexible of penholder, therefore in drawing, penholder can be adjusted to suitable length Degree is painted；When carrying, nib can be removed, and compress penholder, reduce the length of penholder, further decrease shared by penholder Space, to be convenient for carrying.The length of water Chalk holder provided by the utility model is scalable, and nib is detachable, The occupied space alleviated present in pigment pen in the prior art is big, inconvenient to carry, fails the technology for making full use of resource Problem.

To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, the utility model cited below particularly compared with Good embodiment, and coordinate appended attached drawing, it is described below in detail.

Description of the drawings

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, other drawings may also be obtained based on these drawings.

Fig. 1 is the structural schematic diagram for the pigment pen that the utility model embodiment provides；

Written structural schematic diagram in the pigment pen that Fig. 2 provides for the utility model embodiment；

Fig. 3 is the structural schematic diagram of inner penholder and outer penholder in the pigment pen that the utility model embodiment one provides；

Fig. 4 is the structural schematic diagram for the pigment pen that the utility model embodiment two provides；

Fig. 5 is the structural schematic diagram of locking body in the pigment pen that the utility model embodiment two provides；

Fig. 6 is the structural schematic diagram for the pigment pen China and foreign countries penholder that the utility model embodiment two provides；

Fig. 7 is the structural schematic diagram for the pigment pen that the utility model embodiment three provides；

Fig. 8 is the structural schematic diagram for the pigment pen China and foreign countries penholder that the utility model embodiment three provides；

Fig. 9 is the structural schematic diagram of inner penholder in the pigment pen that the utility model embodiment three provides.

Icon：01- nibs；011- interconnecting pieces；012- drawing portion；0111- slots；The first annular protrusions of 0112-；The outer pens of 02- Bar；021- clamping grooves；The second inclined surface 022-；023- spiral grooves；024- limiting through hole；025- cavitys；Pen in 03- Bar；031- tapered protrusions；The second annular protrusions of 032-；033- blind holes；04- connector sleeves；The first inclined surface 041-；05- top caps； 06- locking bodies；061- tightens body.

Specific implementation mode

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality Novel protected range.

It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition The concrete meaning of language in the present invention.

Referring to Fig.1 and 2, the pigment pen that the utility model embodiment provides includes nib 01 and penholder, penholder include Outer penholder 02 and inner penholder 03；Cavity 025 is provided on outer penholder 02, cavity 025 runs through outer along the length direction of outer penholder 02 Penholder 02；Nib 01 is removably connected to one end of cavity 025, and one end far from outer penholder 02 of nib 01 is drawing portion 012；Inner penholder 03 is interspersed in cavity 025 and one end far from nib 01 is located at the outside of cavity 025, and inner penholder 03 can be Length direction in cavity 025 along outer penholder 02 moves.

It, can be according to the demand of current drawn part, choosing when the pigment pen provided using the utility model embodiment is painted The nib 01 for selecting suitable types is drawn a picture on the cavity 025 fixed to outer penholder 02, when needing to exchange another type Number nib 01 when, former nib 01 need to only be removed and change the nib 01 of required model and can continue to draw a picture.So, outside When going out to paint, it is only necessary to which carrying the complete nib 01 of model and a penholder can meet needed for drawing.One pigment pen, penholder Length is two to three times of nib 01, and the space occupied is much larger, therefore reduces the quantity for carrying penholder, it is possible to reduce is carried Amount.In addition, when 01 appearance damage of nib cannot be in use, only need to change new nib 01, without throwing away whole pigment pen, pen Bar can also continue to use, and save resource.In addition, the inner penholder 03 for the pigment pen that the utility model embodiment provides can be opposite Outer penholder 02 moves, and realizes the flexible of penholder, therefore in drawing, can penholder be adjusted to appropriate length and painted；It takes When band, nib 01 can be removed, and compress penholder, reduce the length of penholder, further decrease the occupied space of penholder, with It is convenient for carrying.

Embodiment one：

Fig. 2 and Fig. 3 are please referred to, the interconnecting piece 011 coordinated with cavity 025 is provided in nib 01, is set on interconnecting piece 011 It is equipped with slot 0111, slot 0111 runs through interconnecting piece 011 along the direction of the length direction perpendicular to nib 01, and slot 0111 is from interconnecting piece 011 outer end extends towards drawing portion 012, and the outer wall of interconnecting piece 011 is from one end close to drawing portion 012 to interconnecting piece 011 Outer end face is inclined outwardly.

Specifically, the interconnecting piece 011 of nib 01 is made of resin material, has certain deformation behavior, interconnecting piece The size of the size ratio cavity 025 of 011 overhanging end is bigger, and interconnecting piece 011 is inserted into cavity 025, outside interconnecting piece 011 Wall is squeezed by the inner wall of cavity 025, flexible deformation occurs into slot 0111, while interconnecting piece 011 applies work to 025 inner wall of cavity Firmly, the frictional force for the length direction for being parallel to cavity 025 is generated between 025 inner wall of interconnecting piece 011 and cavity, prevents nib 01 It moves relative to outer penholder 02, is connected together between nib 01 and outer penholder 02.

As another embodiment, the slot 0111 in nib 01 arranged in a crossed manner can have multiple.

As another embodiment, the section of the length direction perpendicular to nib 01 of interconnecting piece 011 can also be more The section vertical with the length direction of cavity 025 of side shape, the part of cavity 025 coordinated with interconnecting piece 011 is corresponding matching Polygon.

Further, the outer wall of interconnecting piece 011 is provided with first annular raised 0112；The inner wall of cavity 025 be provided with The first annular raised 0112 clamping groove 021 being engaged by clamping.

Specifically, when nib 01 is connected in cavity 025, first annular raised 0112 drops into clamping groove 021, can Reinforce the connection between nib 01 and outer penholder 02；Clamping groove 021 along the inner wall of cavity 025 circumferentially extending, bottom surface Cross nib 01 axis section be it is arc-shaped, by nib 01 from cavity 025 dismantle under when, be pulled outwardly nib 01, interconnecting piece 011 deforms into slot 0111, and first annular raised 0112 skids off out of clamping groove 021, and pulling on nib 01 can be by pen First 01 removes.

It can also be arranged to along the multiple dotted convex of annular spread as another embodiment, first annular raised 0112 It rises.

Further, it is provided with external screw thread on the side in the separate drawing portion 012 of nib 01, is set on the inner wall of cavity 025 It is equipped with the internal thread with the external screw thread cooperation in nib 01.

Specifically, it is connected through a screw thread between nib 01 and outer penholder 02, it can be achieved that convenient disassemble and install, and connects Securely, the influence to painting creation caused by due to the loosening between nib 01 and outer penholder 02 can be reduced.

Further, the end set far from nib 01 of the inner wall of cavity 025 has the first inclined surface 041, and first tilts The circle diameter in face 041 gradually increases from one end far from nib 01 to close to one end of nib 01；Inner penholder 03 is located at sky End set in chamber 025 has the lock projection coordinated with the first inclined surface 041.

Specifically, hold the overhanging end of inner penholder 03 outer penholder 02 relatively and pull out inner penholder 03, make lock projection with The inner wall inclined-plane cooperation contact of first inclined surface 041, pulls on inner penholder 03, lock projection connects with the first inclined surface 041 Tiny deformation occurs for contacting surface, and generates interaction force, which will lock between inner penholder 03 and outer penholder 02, make penholder Keep longer length.

Specifically, lock projection can be the tapered protrusion 031 for having same slope with the first inclined surface 041, can also It is dotted protrusion that is cricoid or being distributed in a ring.

As another embodiment, the first inclined surface 041 separates independent with outer penholder 02.It is connected on cavity 025 There are connector sleeve 04, connector sleeve 04 to be threadedly coupled with cavity 025.The through-hole being connected to cavity 025, interior pen are provided on connector sleeve 04 Bar 03 passes through the through-hole；First inclined surface 041 is set on the through-hole wall of connector sleeve 04.

Shorten the length of penholder, opposing cavities 025 is only needed inwardly to enforce inner penholder 03, tapered protrusion 031 is detached from First inclined surface 041, inner penholder 03 can be slided into cavity 025, reduce the entire length of penholder, save space.

Further, one end far from outer penholder 02 of inner penholder 03 connects crown cap 05, and top cap 05 can prevent inner penholder 03 one end far from outer penholder 02 is fallen into cavity 025.

Specifically, the section of top cap 05 be more than cavity 025 perpendicular to the section of length direction.The company of being provided in top cap 05 Hole is connect, connecting hole is sleeved on inner penholder 03, and connecting hole inner wall and the end outer wall of inner penholder 03 fit closely, and utilize binding face phase It mutually squeezes and generates frictional force to achieve a fixed connection；It can also be connected through a screw thread between top cap 05 and inner penholder 03.

Embodiment two：

Fig. 4, Fig. 5 and Fig. 6 are please referred to, compared with embodiment one, the pigment pen that the utility model embodiment two provides, nib 01 is identical as the connection type of outer penholder 02, only different from the connection type of outer penholder 02 in inner penholder 03.The utility model The pigment pen that embodiment two provides further includes locking body 06, and locking body 06 is threadingly attached to the separate nib 01 of cavity 025 One end；Locking body 06 is provided with through-hole along its length, and inner penholder 03 is interspersed in the through-hole of locking body 06；Cavity 025 The inner wall of end far from nib 01 be provided with the second inclined surface 022, the circle diameter of the second inclined surface 022 is from far from nib 01 One end to close to nib 01 one end be gradually reduced；The end set of locking body 06 being located in cavity 025 has inclines with second Multiple tightening bodies 061 that inclined-plane 022 coordinates tighten the outer wall of body 061 contacted with the second inclined surface 022, from far from nib 01 One end slope inwardly to close to one end of nib 01, the side towards inner penholder 03 of tightening body 061 is outer with inner penholder 03 Wall abuts, end face circumferentially-spaced of multiple tightening bodies 061 along locking body 06.

Specifically, locking body 06 is threadedly coupled with cavity 025, inwardly screws locking body 06,06 opposing cavities 025 of locking body It moves inward, tightens body 061 and the second inclined surface 022 coordinates, tightening body 061 is pressed against inside by the second inclined surface 022 Deformation tightening, abuts with the outer wall of inner penholder 03, continues to screw locking body 06 into cavity 025, and tightening body 061 compresses inner penholder 03, the locking of inner penholder 03 and the length of penholder are fixed in realization.When the length of penholder need to be adjusted, only counter-rotating is needed to lock Body 06, tightening body 061 are detached from inner penholder 03, and inner penholder 03 can move freely in cavity 025.

Compared with embodiment one, in the embodiment, inner penholder 03 can be fixed any position in cavity 025, you can real The step-less adjustment of existing penholder length.In this way, user can according to personalized preference and custom, the adjusting penholder of freedom and flexibility Length meets individual needs.

Further, multiple second annular protrusions 032, multiple second annular protrusions are provided on the outer wall of inner penholder 03 032 is uniformly distributed along the length direction interval of inner penholder 03.

Specifically, the distance of the length direction along inner penholder 03 between two neighboring second annular protrusion 032 is equal to and receives The length of the length direction of the edge tightening body 061 for the side of tight body 061 abutted with 03 outer wall of inner penholder.Screw locking body 06 When, tightening body 061 is stuck between two adjacent second annular protrusions 032, can limit length direction of the inner penholder 03 along cavity 025 Movement.The connection between locking body 06 and inner penholder 03 can be reinforced in this way, make position of the inner penholder 03 in cavity 025 more It is firm, the just relatively outer sliding of penholder 02 of inner penholder 03 under the low-force for being not intended to apply is avoided, penholder length is caused to change.

Embodiment three：

Fig. 7, Fig. 8 and Fig. 9 are please referred to, compared with embodiment one, the pigment pen that the utility model embodiment two provides, nib 01 is identical as the connection type of outer penholder 02, only different from the connection type of outer penholder 02 in inner penholder 03.The utility model The pigment pen that embodiment three provides, the inner wall of cavity 025 are provided with spiral groove 023, are provided in spiral groove 023 more The axis of a limiting through hole 024, limiting through hole 024 is vertical with the central axes of cavity 025 and intersects, between multiple limiting through hole 024 Every distribution；Blind hole 033, the axis of blind hole 033 and the central axis of inner penholder 03 and intersection are provided on inner penholder 03；Blind hole Setting has elastic component in 033 and hoodle, one end of elastic element are contacted with the bottom surface of blind hole 033, and the other end is contacted with hoodle, Hoodle is embedded in spiral groove 023, and hoodle can slide in spiral groove 023, and the diameter of hoodle is more than on outer penholder 02 Limiting through hole 024 diameter.

Specifically, it holds with a firm grip outer penholder 02, rotates inner penholder 03, the relatively outer penholder 02 of inner penholder 03 is along spiral groove 023 Rise or declines, it can be achieved that inner penholder 03 changes the length of penholder relative to the movement of the length direction of outer penholder 02.Blind hole Elastic element in 033 applies hoodle the active force for being directed toward spiral groove 023, and hoodle is closely connected to spiral groove In 023；Hoodle is as inner penholder 03 is in the movement of spiral groove 023, when hoodle is moved at limiting through hole 024, elasticity member Hoodle is headed into limiting through hole 024 and is clamped with limiting through hole 024 by part；Limiting through hole 024 prevents hoodle from continuing along spiral shape Groove 023 moves, and so that inner penholder 03 is stopped in the position, cannot continue to move in cavity 025, penholder length is fixed.When need When adjusting penholder length, it only need to inwardly push hoodle to overcome the elastic force of elastic element from the outer wall of outer penholder 02, make hoodle It is detached from limiting through hole 024, and at the same time rotation inner penholder 03, you can so that hoodle is returned in the track of spiral groove 023 and continue It is moved along spiral groove 023, can thus be rotated further inner penholder 03, the relatively outer penholder 02 of inner penholder 03 is driven to move It is dynamic, adjust the length of penholder.

Above-mentioned elastic element can be helical spring, gas spring or rubber spring, be used for applying along blind hole to hoodle The active force away from 033 bottom surface of blind hole of 033 axis direction.

Further, there are two blind hole 033, the centers for the inner penholder 03 that two blind holes 033 are located at for setting on inner penholder 03 The both sides of line, and its axis is mutually parallel；The length along outer penholder 02 of two neighboring limiting through hole 024 on outer penholder 02 The distance between the axis for spending the distance and two blind holes 033 in direction, is equal to the half pitch of spiral groove 023.

Specifically, elastic element, the hoodle that two groups of blind holes 033 are arranged on inner penholder 03 and are disposed therein, make interior pen When bar 03 is moved relative to outer penholder 02, the both sides of inner penholder 03 are by equal-sized direction opposite effect power, and stress is more Equilibrium is avoided because only causing rotation to have some setbacks in side stress；When hoodle falls into limiting through hole 024, the hoodle of both sides is same When fall into, limited by limiting through hole 024, keep the locking between inner penholder 03 and outer penholder 02 more solid and reliable.

Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new The range of each embodiment technical solution of type.

Claims

1. a kind of pigment pen, which is characterized in that including：Nib and penholder, the penholder include outer penholder and inner penholder；It is described outer Cavity is provided on penholder, the cavity runs through the outer penholder along the length direction of the outer penholder；The nib is detachable It is connected to one end of the cavity, one end far from the outer penholder of the nib is drawing portion；The inner penholder is interspersed in In the cavity and one end far from the nib is located at the outside of the cavity, and the inner penholder can be in the cavity along institute State the length direction movement of outer penholder.

2. pigment pen according to claim 1, which is characterized in that be provided with the company coordinated with the cavity in the nib Socket part is provided with slot on the interconnecting piece, and the slot is along the direction of the length direction perpendicular to the nib through the connection Portion, the slot extend from the outer end of the interconnecting piece towards the drawing portion, and the outer wall of the interconnecting piece is from close to the drawing The outer end face of the one end in portion to the interconnecting piece is inclined outwardly.

3. pigment pen according to claim 2, which is characterized in that the outer wall of the interconnecting piece is provided with first annular convex It rises；The inner wall of the cavity is provided with the clamping groove being engaged by clamping with the first annular protrusion.

4. pigment pen according to claim 1, which is characterized in that set on the side far from the drawing portion of the nib It is equipped with external screw thread, the internal thread with the external screw thread cooperation in the nib is provided on the inner wall of the cavity.

5. pigment pen according to claim 1, which is characterized in that the end far from the nib of the inner wall of the cavity It is provided with the first inclined surface, the circle diameter of first inclined surface is from one end far from the nib to close to the nib One end gradually increases；The end set of the position of the inner penholder in the cavity has the locking coordinated with first inclined surface Protrusion.

6. pigment pen according to claim 5, which is characterized in that one end far from the outer penholder of the inner penholder connects It is connected to top cap, the top cap can prevent one end far from the outer penholder of the inner penholder from falling into the cavity.

7. pigment pen according to claim 1, which is characterized in that further include locking body, the locking body is connected by screw thread It is connected to one end far from the nib of the cavity；The locking body is provided with through-hole, the inner penholder along its length It is interspersed in the through-hole of the locking body；

The inner wall of end far from the nib of the cavity is provided with the second inclined surface, the circle diameter of second inclined surface It is gradually reduced from one end far from the nib to one end close to the nib；The position of the locking body is in the cavity End set has a multiple tightening bodies coordinated with second inclined surface, and the tightening body is contacted with second inclined surface Outer wall, from one end far from the nib in close to the inward slant of one end of the nib, the direction for tightening body is described The side of penholder is abutted with the outer wall of the inner penholder；End face circle spacing point of multiple tightening bodies along the locking body Cloth.

8. pigment pen according to claim 7, which is characterized in that be provided with multiple second rings on the outer wall of the inner penholder Shape protrusion, multiple second annular protrusions are uniformly distributed along the length direction interval of the inner penholder.

9. pigment pen according to claim 1, which is characterized in that the inner wall of the cavity is provided with spiral groove, institute It states and is provided with multiple limiting through hole in spiral groove, the axis of the limiting through hole is vertical with the central axes of the cavity and phase It hands over, multiple limiting through hole are spaced apart；

Blind hole, central axis and intersection of the axis of the blind hole with the inner penholder are provided on the inner penholder；It is described Setting has elastic component in blind hole and hoodle, one end of the elastic element are contacted with the bottom surface of the blind hole, the other end and institute Hoodle contact is stated, the hoodle is embedded in the spiral groove, and the hoodle can slide in the spiral groove, described The diameter of hoodle is more than the diameter of the limiting through hole on the outer penholder.

10. pigment pen according to claim 9, which is characterized in that the blind hole there are two settings on the inner penholder, two The both sides of the center line for the inner penholder that a blind hole is located at, and its axis is mutually parallel；Phase on the outer penholder The distance between the axis of the distance and two blind holes of the length direction along the outer penholder of adjacent two limiting through hole, It is equal to the half pitch of the spiral groove.