CN206841002U - Watercolor pencil charging head - Google Patents
Watercolor pencil charging head Download PDFInfo
- Publication number
- CN206841002U CN206841002U CN201720314315.2U CN201720314315U CN206841002U CN 206841002 U CN206841002 U CN 206841002U CN 201720314315 U CN201720314315 U CN 201720314315U CN 206841002 U CN206841002 U CN 206841002U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- piston
- fixed block
- cavity
- watercolor pencil
- 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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Abstract
It the utility model is related to technical field of stationery, more particularly to a kind of watercolor pencil charging head, including sleeve, upper plenum and lower cavity are provided with sleeve, sleeve top is charge door, cavity is connected with threaded sleeve under sleeve, threaded sleeve inwall is provided with screw thread, is provided with piston in upper plenum, top land is located at charge door, top land is hollow, and there is fluid passage hollow lower section；Piston base side wall has the boss of annular, the upper plenum of corresponding sleeve and lower cavity junction limited location step, and limited step is spacing to the boss of piston, there is sealing ring at limited step；The lower surface of piston base is connected with spring, and lower spring end is fixed block, and fixed block is arranged on the inwall of lower cavity, and leaves passage.Watercolor pencil charging head provided by the utility model, by being threadably mounted on Watercolor pen container, adding will not reveal when pigment, be also used as sealing termination use, prevent pigment from flowing backwards.
Description
Technical field
Technical field of stationery is the utility model is related to, more particularly to a kind of watercolor pencil charging head.
Background technology
Colorant in watercolor pencil is using, it is necessary to feed, general material is the pigment of liquid, traditional watercolor pencil after a period of time
Feed way is all that directly pigment injection tube is injected into the pen container of watercolor pencil, easily causes the leakage of pigment, and watercolor
The termination of pen relies solely on end socket, and pigment, which easily backflows out of, to be come.
Utility model content
The problem of the utility model exists for prior art, there is provided a kind of termination that can be fed, and have well
Sealing.
Specifically technical scheme is：
Watercolor pencil charging head, including sleeve, described sleeve is interior to be provided with upper plenum and lower cavity, and sleeve top is charging
Mouthful, cavity is connected with threaded sleeve under sleeve, and threaded sleeve inwall is provided with screw thread, for being connected to watercolor pencil；
Piston is provided with upper plenum, described top land is located at charge door, and top land is hollow, and there is liquid hollow lower section
Passage, fluid passage one end open with top land is hollow connects, one end open is on piston side wall；Piston base side wall has ring
The boss of shape, the upper plenum of corresponding sleeve and lower cavity junction limited location step, limited step is spacing to the boss of piston,
There is sealing ring at limited step；
The lower surface of piston base is connected with spring, and lower spring end is fixed block, and described fixed block is arranged on lower cavity
Inwall on, and leave passage.
There is lid outside described charge door.
Further, described fixed block excircle has a screw thread, and cavity is put into inwall and is provided with connection under corresponding sleeve
Block, there is internal thread on described contiguous block, fixed block leaves logical by being threadably mounted on contiguous block on described contiguous block
Road, contiguous block upper and lower is connected.
Watercolor pencil charging head provided by the utility model, by being threadably mounted on Watercolor pen container, when adding pigment not
It can reveal, be also used as sealing termination use, prevent pigment from flowing backwards.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Specific embodiment of the present utility model is described with reference to the drawings.
Embodiment 1
As shown in figure 1, watercolor pencil charging head, including sleeve 2, sleeve 2 is interior to be provided with upper plenum and lower cavity, the top of sleeve 2
For charge door, charge door has lid 1 outside, and 2 times cavitys of sleeve are connected with threaded sleeve 3, and the inwall of threaded sleeve 3 is provided with screw thread, uses
In being connected on watercolor pencil；
Piston 4 is provided with upper plenum, the described top of piston 4 is located at charge door, and the top of piston 4 is hollow, and hollow lower section has
Fluid passage 5, the one end open of fluid passage 5 connect with hollow at the top of piston 4, and one end open is in the side wall of piston 4；The bottom of piston 4
Portion's side wall has the boss 6 of annular, the upper plenum of corresponding sleeve 2 and lower cavity junction limited location step, and limited step is to work
The boss 6 of plug 4 is spacing, there is sealing ring 10 at limited step；
The lower surface of the bottom of piston 4 is connected with spring 7, and the lower end of spring 7 is fixed block 8, and fixed block 8 is arranged on lower cavity
On inwall, and leave passage.
The top outer wall of piston 4 forms piston interface with overhead cavity wall, and contact surface sealing coordinates, while installs sealing
Circle 10, also acts as sealing function, prevents charge door to be contaminated, charge door 2 is cased with lid 1 outside end；Piston 4 and fixed block 8 it
Between connected by spring 7, spring 7 leans piston 4 upwards so that the boss 6 of the limited step of sleeve 2 and piston 4 is mutual
Against and it is in sealing contact, prevent the liquid in crayon from flowing out.
When not feeding, piston 4 is tightly connected under the abutment action of fixed block 8 and spring 7 with the limited step of sleeve 2,
So that lower cavity seals off with extraneous, when needing charging, lid 1 is removed, inserts pigment injection tube, injection tube downwards will
Pushed away under piston 4, until fluid passage 5 enters lower cavity, the outlet of injection tube is tightly connected with charge door, and pigment liquid is along piston
Space enters threaded sleeve 3 between the 4 hollow, fluid passages 5 in top and lower cavity, finally enters in the pen container of crayon.Charging knot
Shu Hou, piston 4 reset cavity under closing under the effect of spring 7.
Embodiment 2
On the basis of above-mentioned technical proposal, further, the described excircle of fixed block 8 has screw thread, corresponding sleeve 2
Lower cavity is put into inwall and is provided with contiguous block 9, has internal thread on described contiguous block 9, fixed block 8 is by being threadably mounted at connection
On block 9, passage is left on described contiguous block 9, the upper and lower of contiguous block 9 is connected.
Fixed block 8 and piston 4 can be removed as needed, the passage of charging can be increased, for situation about largely feeding
Use.
Claims (3)
1. watercolor pencil charging head, including sleeve, it is characterised in that：Upper plenum and lower cavity, sleeve top are provided with described sleeve
Hold as charge door, cavity is connected with threaded sleeve under sleeve, and threaded sleeve inwall is provided with screw thread, for being connected to watercolor pencil；
Piston is provided with upper plenum, described top land is located at charge door, and top land is hollow, and hollow lower section has liquid to lead to
Road, fluid passage one end open with top land is hollow connects, one end open is on piston side wall；Piston base side wall has annular
Boss, the upper plenum of corresponding sleeve and lower cavity junction limited location step, limited step is spacing to the boss of piston, limit
There is sealing ring at the step of position；
The lower surface of piston base is connected with spring, and lower spring end is fixed block, and described fixed block is arranged on the interior of lower cavity
On wall, and leave passage.
2. watercolor pencil charging head according to claim 1, it is characterised in that：There is lid outside described charge door.
3. watercolor pencil charging head according to claim 1, it is characterised in that：Described fixed block excircle has screw thread, right
Cavity is put into inwall and is provided with contiguous block under the sleeve answered, and has internal thread on described contiguous block, and fixed block is installed by screw thread
On contiguous block, passage is left on described contiguous block, contiguous block upper and lower is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720314315.2U CN206841002U (en) | 2017-03-29 | 2017-03-29 | Watercolor pencil charging head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720314315.2U CN206841002U (en) | 2017-03-29 | 2017-03-29 | Watercolor pencil charging head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206841002U true CN206841002U (en) | 2018-01-05 |
Family
ID=60791715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720314315.2U Expired - Fee Related CN206841002U (en) | 2017-03-29 | 2017-03-29 | Watercolor pencil charging head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206841002U (en) |
-
2017
- 2017-03-29 CN CN201720314315.2U patent/CN206841002U/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 |
Granted publication date: 20180105 Termination date: 20190329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |