CN209553962U - Pigment packaging with extruder - Google Patents

Abstract

The utility model discloses a kind of pigment packaging with extruder, including container, there is the pigment chamber for accommodating pigment inside the container, one end of the container is provided with the discharge port being connected to the pigment chamber, the container includes: inner tube, and open at one end, the other end is with end cap, it is provided with discharge port on the end cap, is provided with structure on the discharge port；Outer tube, open at one end, the other end has bottom cover, and open one end is sheathed on said inner tube outer wall, and is threadedly coupled between said inner tube；Piston, including stick harness and the push rod connecting with the stick harness, the push rod is located at the outer tube；The stick harness and the sealing of said inner tube inner wall cooperate, and can be axially moveable in inner tube with the relative rotary motion of operation portion and inner tube.It solves pigment in the prior art and squeezes out uncontrollable, inconvenient the problems such as causing waste, realize that extrusion output is controllable, and flexible operation, automatic sealing.

Description

Pigment packaging with extruder

Technical field

The utility model relates to art designing's auxiliary implement technical field, specifically a kind of pigment packaging with extruder.

Background technique

There are some defects when palette for painter, painting box at present: pigment generallys use the packaging of metal or PP material Bag, discharge port are sealed by lid, are had the following deficiencies: in use

1, after pigment is opened, squeezing sack overflows pigment from discharge port, the bad grasp of the dynamics of extruding, and especially one A little children, it is often many in sack relatively completely Shi Yici extrusion output, considerably beyond dosage, in the state that sack is half-full, It squeezes and does not come out again, it is inconvenient；

2, it needs repeatedly to open lid in use and squeezes pigment, then close the lid again, it is more troublesome, if do not covered Pigment cannot be put long inside it if upper, put long Yi Gan and cannot be used, easily waste pigment, and lid is smaller, also holds It is easy to be lost；

3, the pigment stayed in carrying process outside packaging is easy pollution box and other articles.

Utility model content

The utility model provides a kind of band extruder pigment packaging, for overcome in the prior art it is inconvenient, be not easy to deposit The defects of putting realizes that discharging is controllable, facilitates operation, reduces waste and convenient for storage.

To achieve the above object, the utility model provides a kind of pigment packaging with extruder, including container, the container Inside has the pigment chamber for accommodating pigment, and one end of the container is provided with the discharge port being connected to the pigment chamber, institute Stating container includes:

Inner tube, open at one end, the other end have end cap, are provided with discharge port on the end cap, are arranged on the discharge port There is sealing structure；

Outer tube, open at one end, the other end has bottom cover, and open one end is sheathed on said inner tube outer wall, and with institute It states and is threadedly coupled between inner tube；

Piston, including stick harness and the push rod connecting with the stick harness, the push rod is located at the outer tube；The stick harness It seals and cooperates with said inner tube inner wall, and can be axially moveable in inner tube with the relative rotary motion of operation portion and inner tube.

Preferably, the operation portion includes outer tube, and the push rod contradicts on the bottom cover away from one end of the stick harness, Step is provided on said inner tube outer wall, the part of open end to the step of said inner tube is provided with to be cooperated with the outer tube External screw thread；

The end cap is detachably connected on the step.

Preferably, the end cap has arcwall face, and the discharge port is arranged on the arcwall face；

The stick harness of the arcwall face and inner tube and piston encloses jointly is set as pigment chamber；

One end that the arcwall face is directed away from the stick harness protrudes out, and the piston is under external force along said inner tube Axial movement is for squeezing out the intracavitary pigment of the pigment from the discharge port；

The top surface of the stick harness and the arcwall face cooperate.

Preferably, the discharge port is axially toward one end far from the piston and extends, the sealing structure installation On the discharge port.

Preferably, there is ring-shaped slide position limiting structure between the push rod and the bottom cover；

The ring-shaped slide position limiting structure includes the annular groove being arranged on the bottom cover and is arranged on the push rod At least three sliding blocks or slide plate cooperated with the annular groove；

The sliding block or slide plate are located in the annular groove.

Preferably, the push rod includes center-pole and at least three pieces support plate, the support plate side are axially fixed to On the center-pole, the other side radially extends the simultaneously close outer tube wall along the outer tube, each support plate Bottom is provided with the protrusion extended downwardly, and the protrusion is located in the annular groove.

Preferably, the push rod bottom end rotation is connected on the bottom cover of the outer tube；

Rotation is connected with bolt-revolving on the bottom cover, described bolt-revolving one end pass through from bottom to top after the bottom cover with it is described Push rod is detachably connected, and the other end is located at the bottom cover lower part.

Preferably, further include chassis positioned at the push rod bottom, it is described on the chassis towards on the face of the bottom cover It is provided with protrusion, the chassis that partially passes through that the bolt-revolving protrudes into outer tube is threadedly coupled with the push rod, the rotation Bolt is located at the part outside the outer tube and forms rotation button；

Limited step is provided in said inner tube bottom interior wall, the stick harness passes through the limited step in the axial direction and limited It is scheduled in said inner tube.

Preferably, the operation portion includes outer tube, and the push rod is fixed on the outer tube away from one end of the stick harness On bottom cover；

The stick harness and the push rod are sequentially connected, and are provided between said inner tube and the stick harness for limiting the plug The position-limit mechanism relatively rotated between column and said inner tube.

Preferably, the push rod passes through the outer pipe bottom away from one end of the stick harness and extends outwardly；

The operation portion is fixedly connected with one end of the protruding outer pipe bottom of the push rod；The push rod with it is described It is threadedly coupled between outer tube.

Pigment packaging provided by the utility model with extruder, encloses the space shape set between inner and outer pipe, end cap and piston , can be by discharge port to the intracavitary injection pigment of pigment at pigment chamber, last installation sealing structure (can certainly install close Pigment is injected from the open end of inner tube after seal structure, then piston and outer tube are installed), as long as in use, rotation process gently Portion, operation portion squeeze out the sealed structure of the intracavitary pigment of pigment, operation portion rotates one with slowly moving in piston inside pipe The displacement of all pistons in the axial direction is smaller, realizes stepless micro pigment out, and realize and slowly, at the uniform velocity squeeze out, sealing structure can To use silica gel or check valve, the pigment intracavitary to pigment seals in real time, prevents the pigment close to discharge outlet dry and hard；It can root According to needs, realize just squeezed with how much pigment it is how many, will not the too many pigment of residue in paint box, especially child will not make At too many waste；Inner and outer pipe and piston can also be dismantled, easy cleaning can repeat in pipe, pigment is repeatedly perfused and can It is easy to clean；It is small to screw power, can easily screw out pigment；The utility model mechanical device is simple, stability and high reliablity.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the perspective exploded view for the pigment packaging with extruder that the utility model embodiment one provides；

Fig. 2 is the longitudinal sectional view in Fig. 1 after each component assembling；

Fig. 3 is the longitudinal sectional view for the pigment packaging with extruder that the utility model embodiment two provides；

Fig. 4 a is the perspective exploded view for the pigment packaging with extruder that the utility model embodiment three provides；

Fig. 4 b is another visual angle figure of Fig. 4 a；

Fig. 5 is the longitudinal sectional view in Fig. 4 b after each component assembling；

Fig. 6 is the perspective exploded view for the pigment packaging with extruder that the utility model embodiment four provides；

Fig. 7 is the longitudinal sectional view in Fig. 6 after each component assembling；

Fig. 8 is the perspective exploded view for the pigment packaging with extruder that the utility model embodiment five provides；

Fig. 9 is the longitudinal sectional view in Fig. 8 after each component assembling.

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention, It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also To be electrical connection, physical connection or wireless communication connection can also be；It can be directly connected, it can also be by between intermediary It connects connected, can be the connection inside two elements or the interaction relationship of two elements, unless otherwise restricted clearly.It is right For those skilled in the art, can understand as the case may be above-mentioned term in the present invention specifically contain Justice.

It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.

Embodiment one

As shown in Figure 1 and Figure 2, the utility model embodiment provides a kind of pigment packaging with extruder, including sealing structure 1, end cap 2, inner tube 3, outer tube 4, piston 5, bottom cover 6, wherein 3 open at one end of inner tube, the other end are fixedly connected or removable with end cap 2 Connection is unloaded, discharge port 21, installation sealing structure 1 on the discharge port 21 are provided on the end cap 2；4 open at one end of outer tube, separately One end is fixedly connected or is detachably connected with bottom cover 6, and open one end is sheathed on 3 outer wall of said inner tube, and with it is described interior It is threadedly coupled between pipe 3；Piston 5 includes stick harness 51 and the push rod 52 connecting with the stick harness 51, and the push rod 52 is located at described Inside outer tube 4 and contradict on the bottom cover 6；The stick harness 51 cooperates with the sealing of 3 inner wall of said inner tube, and can be with inner tube 3 It is axially moveable in inner tube 3 with the relative motion of outer tube 4.

Pigment packaging provided by the utility model with extruder, encloses between inner tube 3, outer tube 4, end cap 2 and piston 5 and to set Space forms pigment chamber, can be by discharge port 21 to the intracavitary injection pigment of pigment, and last installation sealing structure 1 (certainly may be used Pigment is injected from the open end of inner tube 3 after sealing structure 1 to install, then piston 5 and outer tube 4 are installed), as long as in use, Spun outer tube 4 gently is slowly moved in inner tube 3 by outer tube 4 with piston 5, by the sealed knot of the intracavitary pigment of pigment Structure 1 squeezes out, and the displacement (being a screw pitch of screw thread) of piston 5 in the axial direction that rotates a circle of outer tube 4 is smaller, can be achieved substantially immeasurable The micro pigment out of grade, and realize and slowly, at the uniform velocity squeeze out, sealing structure 1 can use silica gel or check valve, intracavitary to pigment Pigment seals in real time, prevents the pigment at discharge port 21 dry and hard；It can according to need, realize just crowded more with how much pigment It is few, will not remaining too many pigment in paint box, especially child not will cause too many waste；Inner tube can also be dismantled 3, outer tube 4 and piston 5, easy cleaning can repeat in pipe, pigment are repeatedly perfused and can be easy to clean；It is small to screw power, it can be with Easily screw out pigment；The utility model mechanical device is simple, stability and high reliablity.

In the present embodiment, inner tube 3 is cylindrical, and inner wall smooth, is equipped with sealing ring around the stick harness 51 of piston 5, uses While realizing sealing, the flexibility of operation can be improved in the smooth sliding of 3 inner wall of inner tube.The push rod of inner tube 3 and piston 5 52 constitute piston extrusion device；Sealing structure 1 is made of silica gel material, open at one end, is set on discharge port 21, the other end It is skidded off on face at least one seam (can be linear type or cross), this two sides stitched fitting under nature (not stressing) Together, pigment can be gone out by being strutted in stress by pigment, utilize the elastic packing of silica gel.

Preferably, step 31, open end to the portion of the step 31 of said inner tube 31 are provided on 3 outer wall of said inner tube Set up the external screw thread being equipped with the outer tube 4 cooperation separately；The end cap 2 is detachably connected on the step 31.Step 31 1 On the other hand aspect is used for the axially position of outer tube 4 for carrying end cap 2, end cap 2 can be mounted on step 31 by bolt On, it can also be connected through a screw thread by being arranged between screw thread, with end cap 2 in the part of 31 or more step.

Preferably, the end cap 2 has for enclosing the end face for setting pigment chamber, in an embodiment of the utility model, the end Face is plane, and the setting of discharge port 21 is on the end surface；The stick harness 51 of the end face and inner tube 3 and piston 5 encloses jointly to be set At pigment chamber；The piston 5 under external force along said inner tube 3 move axially for by the intracavitary pigment of the pigment from The discharge port 21 squeezes out；The top surface (positioned at the one side of pigment chamber) and the end face of the stick harness 51 cooperate.

In use, spun outer tube 4, outer tube 4 is mobile relative to inner tube with piston 5, and it is intracavitary that the stick harness 51 of piston 5 squeezes pigment Pigment, when pigment is squeezed, pigment is flowed out from the gap on the silica gel head of the device, flows directly to paint box disk In, it is used for user.The top surface (positioned at the one side of pigment chamber) of stick harness 51 is with end face cooperation for so that pigment is intracavitary Pigment all squeezed out from the gap of silica gel sealing structure under the state of being squeezed as far as possible, avoid waste of material.

Preferably, the discharge port 21 is axially toward one end far from the piston 5 and extends, the sealing structure 1 It is mounted on the discharge port 21.This structure facilitates the installation of sealing structure 1, further, it is also possible to which one is arranged on end cap 2 Accommodating chamber, discharge port 21 are located at the central part of accommodating chamber, and the pigment come out from sealing structure 1 within the receiving cavity, eliminates Pigment disk.

Preferably, there is ring-shaped slide position limiting structure between the push rod 52 and the bottom cover 6.Since outer tube 4 is rotating During, piston 5 remained static due to the stiction between stick harness 51 and inner tube 3, and piston 5 pushes away in order to prevent Bar 52 leads to stick harness 51 and inner tube in other direction stress (direction other than axial thrust) in the movement with outer tube 4 3 activity unsmooth (cause out pigment have some setbacks) causes two matching piece stress deformations, the work of this annular stop structure With the relative movement orbit being between restriction piston and outer tube 4, prevent outer tube 4 from generating non-axis to push rod 52 in rotary course Xiang Li.

Preferably, the ring-shaped slide position limiting structure includes that the annular groove 61 being arranged on the bottom cover 6 and setting exist At least three sliding blocks or slide plate cooperated with the annular groove 61 on the push rod 52；The sliding block or slide plate are located at the ring 61 in connected in star.

In 4 rotary course of outer tube, sliding block or slide plate slide in annular groove 61, other direction freedom degrees are defined.For Ball, ball and annular groove 61 can also be arranged in reduction force of sliding friction between sliding block or slide plate and annular groove 61 The opposite frictional force that is slidably matched of rolling cooperation be greatly diminished, improve the flexibility for squeezing out the operation of pigment.

Preferably, the push rod 52 includes center-pole 521 and at least three pieces support plate 522,522 1 lateral edge of support plate It is axially fixed on the center-pole 521, the other side radially extends simultaneously close to 4 inner wall of outer tube, often along the outer tube 4 The bottom of a support plate 522 is provided with the protrusion 523 extended downwardly, and described raised 523 are located at the annular groove 61 It is interior.

Support chip 522 is evenly distributed with along axial, on the one hand increases axially loaded intensity, on the other hand improves anti-bending strength, and live The overall weight of plug 5 not will increase.

Preferably, in order to improve the stability between piston 5 and outer tube 4, and piston 5 and outer can be realized from outside The installation of pipe 4,52 bottom end of the push rod rotation are connected on the bottom cover 6 of the outer tube 4.Piston 5 and outer tube 4 and inner tube 3 Central axis needs to be overlapped, and registration is higher, and the performance of the structure is better, flexibility and service life including operation etc., The structure can reduce the installation error of centering between three.

Preferably, bolt-revolving 7 (being equipped with bearing between bottom cover 6 and bolt-revolving 7), the rotation are installed on the bottom cover 6 Turn to be detachably connected after 7 one end of bolt passes through the bottom cover 6 from bottom to top with the push rod 52 (be threadedly coupled or grafting), the other end Positioned at 6 lower part of bottom cover.

Preferably, the part 71 that the bolt-revolving 7 protrudes into outer tube 4 is threadedly coupled with the push rod 52, the bolt-revolving 7 Part outside the outer tube 4 forms the manual knob 72 for being used for manual rotary operation.

When screwing manual knob 72, piston push rod propelling extrusion pigment is pushed by ball, manual knob is pushed away with piston Power is transmitted by ball between bar 52, the friction of the two is rolling friction, and friction is small.

Embodiment two

Referring to Fig. 3, the difference with embodiment one is, end cap 2 sets the end face to form pigment chamber for enclosing as arcwall face, institute Discharge port 21 is stated to be arranged on the arcwall face；The stick harness 51 of the arcwall face and inner tube 3 and piston 5 encloses jointly is set as pigment Chamber；One end that the arcwall face is directed away from the stick harness protrudes out, and the piston 5 is under external force along 3 axis of said inner tube To mobile for squeezing out the intracavitary pigment of the pigment from the discharge port 21；The top surface of the stick harness 51 (is located at pigment chamber One side) with the arcwall face cooperate.

The liquid surface shape of arcwall face and fluid pigment under stress coincide, so that pigment is equal in squeezed state lower stress Weighing apparatus, reduces the abrasion of piston, is conducive to uniformly squeeze out pigment.

Embodiment three

A, Fig. 4 b, Fig. 5 referring to fig. 4, the difference with embodiment one are that 52 bottom of push rod of piston 5 further includes a chassis 53, the whole bottom of push rod 52 is fixed on chassis 53 by bolt-revolving 7, and the bottom on chassis 53 is provided with downward (axial direction) and extends Formation protrusion 523 (can specifically include salient point, convex block or the pillar of three or more central point lines not on the same line, Or ring-type), described raised 523 are located on the bottom cover 6, due to during spun outer tube 4, piston 5 and inner tube 3 It is in stationary state, therefore outer tube 4 and the rotation of 6 opposing pistons 5 of bottom cover, protrusion 523 are interior for improving the wearability of piston 5 3 inner wall bottom of pipe radially protrudes out to form limited step 8, and during reversely rotating outer tube 4, limited step 8 is for preventing Piston 5 and inner tube 3 are detached from, influence using.

In the present embodiment, push rod 52 includes center-pole 521 and at least three pieces support plate 522,522 side of support plate It being axially fixed on the center-pole 521, the other side radially extends simultaneously close 4 inner wall of outer tube along the outer tube 4, Effect is evenly distributed with embodiment two, support chip 522 along axial, is on the one hand increased axially loaded intensity, is on the other hand improved flexing resistance Can, and the overall weight of piston 5 not will increase.

Installation process is as follows:

Chassis 53 is mounted on 4 bottom of outer tube first, the top surface of the radial step 53a of the first of the chassis 53 for being and outer tube 4 The bottom surface of the second radial step 8 contradict, the stick harness 51 of piston 5 is partially installed in inner tube 3, in 52 part of push rod extends downwardly Outside pipe 3, then push rod 52 is protruded into inside outer tube 4 from top opening, the bottom of inner tube 3 and 4 screw top of outer tube cooperate, precession Bottom with push rod 52 and chassis 53 contradict, and by bottom cover 6 and 4 bottom centering of outer tube, pass through bolt-revolving 7 and 6 bottom centre of bottom cover Tapping rotation connection, part that bolt-revolving 7 stretches out is passed through from the centre bore on chassis 53 and is threaded in push rod 52 In heart hole, the installation of piston 5, inner tube 3 and outer tube 4 is completed；In use process, during the filler pigment into inner tube 3, instead To spun outer tube 4, piston 5 moves down limited step 8 in inner tube 3 prevents the disengaging of piston 5 Yu inner tube 3.

It further include a sealing cover 32, In to improve the flexibility of pigment packaging used on the basis of above structure When not in use, top cover 2 and the sealing structure being mounted in top cover 21 are disassembled from inner tube 3,32 screw thread of sealing cover can be connected It connects in inner tube 3, improves the sealing performance of packaging, extend the pot-life of internal pigment.

Example IV

As shown in Figure 6, Figure 7, the operation portion includes outer tube 4, and the push rod 52 is fixed away from one end of the stick harness 51 On the bottom cover 6 of the outer tube 4；The stick harness 51 is threadedly coupled with the push rod 52, between said inner tube 4 and the stick harness 51 It is provided with for limiting the position-limit mechanism relatively rotated between the stick harness 51 and said inner tube 4.Here position-limit mechanism includes The inner wall of inner tube 3, two axis are arranged in two axial projections 512 and two axial notches 513, two of them axial projection 512 The outer wall of sealing shroud 511 is set to groove 513, sealing shroud 511 is set on stick harness 51, an entirety is formed with stick harness 51, For improving the sealing effect between inner tube 3, two grooves 513 are respectively aligned to two axial projections 512 when installation, so that Axial projection 512 is inserted into axial notch 513.

Operating process is as follows:

Spun outer tube 4 drives push rod 52 to rotate, and cannot rotate relative to inner tube 3 since position-limit mechanism limits stick harness 51, by This can only be moved axially when push rod 52 rotates on push rod 52, with the counterclockwise of outer tube 4 or clockwise and in outer tube It is moved up in 3 (for squeezing out the pigment in inner tube 3) or is moved down (for the filler pigment into inner tube 3), pass through rotation Turn the micro extrusion of action control pigment.

Embodiment five

As shown in Figure 8, Figure 9, the push rod 52 away from one end of the stick harness 51 passes through 4 bottom of outer tube and to extension It stretches；The operation portion 53 is fixedly connected with one end of protruding 4 bottom of outer tube of the push rod 52；The push rod 52 and institute It states and is threadedly coupled between outer tube 4 by nut 54.Nut 54 is fixed on 6 center of bottom cover, is provided on push rod 52 and nut The external screw thread of 54 cooperations.It is arranged sealing shroud 511 on stick harness 51, an entirety is formed with stick harness 51, for improving between inner tube 3 Sealing effect.The setting of operation portion 53 is in hex nut shape, convenient for can be manually rotated.

Operating process is as follows:

Rotation process portion 53 drives push rod 52 and stick harness 51 to rotate, and by the cooperation with nut 54, stick harness 51 is in rotation It is moved axially while rotation in inner tube 3 in the process, with the counterclockwise of operation portion 53 or clockwise and in outer tube 3 It moves up (for squeezing out the pigment in inner tube 3) or moves down (for the filler pigment into inner tube 3), it is dynamic by rotating Make the control micro extrusion of pigment.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the design of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or Directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of pigment packaging with extruder, including container, the container inside have the pigment chamber for accommodating pigment, institute The one end for stating container is provided with the discharge port being connected to the pigment chamber, which is characterized in that the container includes:

Inner tube, open at one end, the other end have end cap, are provided with discharge port on the end cap, are provided on the discharge port close Seal structure；

Outer tube, open at one end, the other end has bottom cover, and open one end is sheathed on said inner tube outer wall, and with it is described interior It is threadedly coupled between pipe；

Piston, including stick harness and the push rod connecting with the stick harness, the push rod is located at the outer tube；The stick harness and institute Inner tube wall sealing cooperation is stated, and can be axially moveable in inner tube with the relative rotary motion of operation portion and inner tube.

2. the pigment packaging with extruder as described in claim 1, which is characterized in that the operation portion includes outer tube, described Push rod contradicts on the bottom cover away from one end of the stick harness, and step is provided on said inner tube outer wall, and said inner tube opens The part of mouth end to the step is provided with the external screw thread with outer tube cooperation；

The end cap is detachably connected on the step.

3. the pigment packaging with extruder as claimed in claim 2, which is characterized in that the end cap has arcwall face, described Discharge port is arranged on the arcwall face；

The stick harness of the arcwall face and inner tube and piston encloses jointly is set as pigment chamber；

One end that the arcwall face is directed away from the stick harness protrudes out, and the piston is under external force along said inner tube axial direction Movement is for squeezing out the intracavitary pigment of the pigment from the discharge port；

The top surface of the stick harness and the arcwall face cooperate.

4. the pigment packaging with extruder as claimed in claim 3, which is characterized in that the discharge port is axially toward far One end from the piston extends, and the sealing structure is mounted on the discharge port.

5. as claim 2~4 it is described in any item with extruder pigment packaging, which is characterized in that the push rod with it is described There is ring-shaped slide position limiting structure between bottom cover；

The ring-shaped slide position limiting structure includes the annular groove being arranged on the bottom cover and is arranged on the push rod at least Three sliding blocks or slide plate cooperated with the annular groove；

The sliding block or slide plate are located in the annular groove.

6. the pigment packaging with extruder as claimed in claim 5, which is characterized in that the push rod includes center-pole and at least Three pieces support plate, the support plate side are axially fixed on the center-pole, and the other side is prolonged along the radial direction of the outer tube It stretches and the close outer tube wall, the bottom of each support plate is provided with the protrusion extended downwardly, the protrusion is located at In the annular groove.

7. such as the described in any item pigment packagings with extruder of claim 2~4, which is characterized in that the push rod bottom end rotation Turn to be connected on the bottom cover of the outer tube；

Rotation is connected with bolt-revolving on the bottom cover, described bolt-revolving one end pass through from bottom to top after the bottom cover with the push rod It is detachably connected, the other end is located at the bottom cover lower part.

8. the pigment packaging with extruder as claimed in claim 7, which is characterized in that further include being located at the push rod bottom Chassis, it is described on the chassis towards protrusion is provided on the face of the bottom cover, the part that the bolt-revolving protrudes into outer tube is worn It crosses the chassis to be threadedly coupled with the push rod, the bolt-revolving is located at the part outside the outer tube and forms rotation button；

Limited step is provided in said inner tube bottom interior wall, the stick harness passes through the limited step in the axial direction and is limited at In said inner tube.

9. the pigment packaging with extruder as described in claim 1, which is characterized in that the operation portion includes outer tube, described Push rod is fixed on the bottom cover of the outer tube away from one end of the stick harness；

The stick harness and the push rod are sequentially connected, be provided between said inner tube and the stick harness for limit the stick harness with The position-limit mechanism relatively rotated between said inner tube.

10. the pigment packaging with extruder as described in claim 1, which is characterized in that the push rod is away from the stick harness One end passes through the outer pipe bottom and extends outwardly；

The operation portion is fixedly connected with one end of the protruding outer pipe bottom of the push rod；The push rod and the outer tube Between be threadedly coupled.