CN206145198U - Printing machine supplies black anti -return valve - Google Patents
Printing machine supplies black anti -return valve Download PDFInfo
- Publication number
- CN206145198U CN206145198U CN201621203677.6U CN201621203677U CN206145198U CN 206145198 U CN206145198 U CN 206145198U CN 201621203677 U CN201621203677 U CN 201621203677U CN 206145198 U CN206145198 U CN 206145198U
- Authority
- CN
- China
- Prior art keywords
- arc
- mesh plate
- valve
- slide bar
- shaped seat
- 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
The utility model discloses a printing machine supplies black anti -return valve, including male joint and female joint, the inside that the front end is close to in the male joint is equipped with the case installation cavity, and the cover is equipped with hollow case in the case installation cavity, and the case is close to that the front end is inside to be equipped with the step hole, and the cover is equipped with the hollow mesh plate voltage cover that matees with the step hole in the step hole, is equipped with the mesh board between the bottom and the mesh plate voltage in step hole overlap, the front end of mesh plate voltage cover is equipped with the arc chamber, is equipped with the valve rod in the arc chamber, the valve rod includes the arc -shaped seat of front end, connects at the connecting rod of arc -shaped seat rear end and the slide bar is connected with the connecting rod rear end, and arc -shaped seat's front end is annular boss, and arc -shaped seat's rear end is the cambered surface with arc chamber matching, wears out in the through -hole of slide bar follow mesh board, and the end of slide bar is equipped with the screw rod, and the screw rod is equipped with lock nut soon, and the outer circumference suit of the slide bar between lock nut and the mesh board has the spring. The utility model discloses a composite structure, simple structure, easy dismounting have the better effect against the current of preventing.
Description
Technical field
This utility model belongs to printer technology field, relates generally to a kind of printer ink supply anti-backflow valve.
Background technology
Printer is the machine of printing word and image.Printer is typically by locing up, inking, impressing, defeated paper(Including folding
It is folded)Deng mechanism's composition.Its operation principle is:The writings and image that first will be printed makes printing plate, fills on the printer, then
Ink is coated on printing plate by artificial or printer have where writings and image, then be directly or indirectly transferred to paper or other
Stock(Such as textile, metallic plate, plastic cement, leather, plank, glass and ceramics)On, so as to copy and printing plate identical print
Brush product.The ink of printer can usually occur the phenomenon for flowing back during conveying from ink fountain to stock, the backflow of ink is tight
Ghost image rings printing quality.
Utility model content
In order to solve above-mentioned technical problem, this utility model provides a kind of printer ink supply anti-backflow valve.
The technical solution of the utility model is:
A kind of printer ink supply anti-backflow valve, including male joint and female joint, the front end of male joint is provided with external screw thread, female
The front end of joint is provided with the female thread matched with the external screw thread of male joint;Male joint is provided with valve element and installs near the inside of front end
Chamber, is set with hollow valve element in valve element installation cavity, valve element is provided with stepped hole inside front end, is set with stepped hole and platform
The hollow mesh plate gland of rank hole matching, is provided with mesh plate, in mesh plate between the bottom of stepped hole and mesh plate gland
Portion is provided with through hole;The front end of mesh plate gland is provided with arc-shaped cavity, and valve rod is provided with arc-shaped cavity;Valve rod includes the arc-shaped seat of front end,
Be connected to arc base rear end connecting rod and with the slide bar for being connected rod rear end connection, the front end of arc-shaped seat is annular boss, arc
The rear end of seat is the cambered surface matched with arc-shaped cavity, and slide bar is passed from the through hole of mesh plate, and the end of slide bar is provided with screw rod, screw rod
Locking nut is installed with, the excircle of the slide bar between locking nut and mesh plate is set with spring.
Preferably, the front end of described female joint is provided with valve handle activity chamber, the internal diameter in valve handle activity chamber is less than mesh plate
The external diameter of gland.
Preferably, the front end face of described mesh plate gland is provided with the first seal groove, the diameter of the first seal groove
Less than the external diameter of annular boss, the first sealing ring is installed with the first seal groove.
Preferably, the bottom of described valve element installation cavity is provided with the second seal groove, it is installed with the second seal groove
Second sealing ring.
Preferably, described male joint and female joint are adapter of plastic, valve element, mesh plate, mesh plate gland and valve
Bar is hard plastics making, and the first sealing ring and the second sealing ring are rubber ring.
The beneficial effects of the utility model are:
Printer ink supply anti-backflow valve of the present utility model be fabricated structure, simple structure, easy accessibility, with compared with
Good counterflow-preventing effect.
Description of the drawings
Fig. 1 is the sectional view of structural representation of the present utility model;
In figure:1. male joint, 2. female joint, 3. valve element, 4. mesh plate, 5. mesh plate gland, 6. valve rod, 7. spring, 8.
Locking nut, 9. the first sealing ring, 10. the second sealing ring;21. valve handle activity chambers, 51. arc-shaped cavities, 61. arc-shaped seats, 62. connections
Bar, 63. slide bars.
Specific embodiment
Specific embodiment of the present utility model referring to Fig. 1, a kind of printer ink supply anti-backflow valve, including male joint 1
With female joint 2, the front end of male joint 1 is provided with external screw thread, in the front end of female joint 2 is provided with and matched with the external screw thread of male joint 1
Screw thread;Male joint 1 is provided with the installation cavity of valve element 3 near the inside of front end, and hollow valve element 3, valve element are set with the installation cavity of valve element 3
3 are provided with stepped hole inside front end, and the hollow mesh plate gland 5 matched with stepped hole, stepped hole are set with stepped hole
Bottom and mesh plate gland 5 between be provided with mesh plate 4, the middle part of mesh plate 4 is provided with through hole;The front end of mesh plate gland 5 sets
There is arc-shaped cavity 51, valve rod 6 is provided with arc-shaped cavity 51;Valve rod 6 includes the arc-shaped seat 61 of front end, is connected to the company of the rear end of arc-shaped seat 61
Extension bar 62 and the slide bar 63 being connected with the rear end of connecting rod 62, the front end of arc-shaped seat 61 is annular boss, and the rear end of arc-shaped seat 61 is
The cambered surface matched with arc-shaped cavity 51, slide bar 63 is passed from the through hole of mesh plate 4, and the end of slide bar 63 is provided with screw rod, screw rod rotation
Equipped with locking nut 8, the excircle of the slide bar 63 between locking nut 8 and mesh plate 4 is set with spring 7.
The front end of female joint 2 is provided with valve handle activity chamber 21, and the internal diameter in valve handle activity chamber 21 is outer less than mesh plate gland 5
Footpath.Referring to Fig. 1, valve element 3 and mesh plate gland 5 are firmly pushed down by female joint 2, prevent valve element 3 and mesh plate gland 5 from moving vertically
It is dynamic.
The front end face of mesh plate gland 5 is provided with the groove of the first sealing ring 9, and the diameter of the groove of the first sealing ring 9 is less than annular boss
External diameter, the first sealing ring 9 is installed with the groove of the first sealing ring 9.The bottom of the installation cavity of valve element 3 is provided with the groove of the second sealing ring 10,
The second sealing ring 10 is installed with the groove of second sealing ring 10.Two-stage is sealed, and improves counterflow-preventing effect.
Male joint 1 and female joint 2 are adapter of plastic, and valve element 3, mesh plate 4, mesh plate gland 5 and valve rod 6 are hard
Plastic material makes, and the first sealing ring 9 and the second sealing ring 10 are rubber ring, and plastics and elastomeric material are readily available, cost
It is cheap.
The course of work:Male joint 1 is connected by conduit with ink fountain, and female joint 2 is connected by conduit with shower nozzle out of ink, Fig. 1
In arrow for ink normal flow direction, ink flows in the direction of the arrow, and ink extrudes the cambered surface of arc-shaped seat 61, and spring 7 is pressed
Contracting, valve rod 6 to the direction of female joint 2 is moved, and is flowed out in space of the ink between valve rod 6 and mesh plate gland 5.Without ink
When, valve rod 6 is drawn in the arc-shaped cavity 51 of mesh plate gland 5 in the presence of spring 7.Mesh plate 4 plays filtration and fixed work
With.The cambered surface for being provided with arc-shaped cavity 51 and matching with arc-shaped cavity 51, sealing will get well compared with the structure of other shapes.
Embodiment described above is only that preferred implementation of the present utility model is described, without departing from this reality
On the premise of new design spirit, the various modifications that those of ordinary skill in the art make to the technical solution of the utility model
And improvement, all should fall in the protection domain of this utility model claims determination.
Claims (5)
1. a kind of printer ink supply anti-backflow valve, it is characterised in that including male joint and female joint, the front end of male joint is provided with
External screw thread, the front end of female joint is provided with the female thread matched with the external screw thread of male joint;Male joint is provided near the inside of front end
Valve element installation cavity, is set with hollow valve element in valve element installation cavity, valve element is provided with stepped hole inside front end, covers in stepped hole
Equipped with the hollow mesh plate gland matched with stepped hole, between the bottom of stepped hole and mesh plate gland mesh plate, net are provided with
Through hole is provided with the middle part of orifice plate;The front end of mesh plate gland is provided with arc-shaped cavity, and valve rod is provided with arc-shaped cavity;Valve rod includes front end
Arc-shaped seat, be connected to arc base rear end connecting rod and with the slide bar for being connected rod rear end connection, the front end of arc-shaped seat is convex annular
Platform, the rear end of arc-shaped seat is the cambered surface matched with arc-shaped cavity, and slide bar is passed from the through hole of mesh plate, and the end of slide bar is provided with spiral shell
Bar, screw rod is installed with locking nut, and the excircle of the slide bar between locking nut and mesh plate is set with spring.
2. printer ink supply anti-backflow valve according to claim 1, it is characterised in that the front end of described female joint sets
There is valve handle activity chamber, the internal diameter in valve handle activity chamber is less than the external diameter of mesh plate gland.
3. printer ink supply anti-backflow valve according to claim 2, it is characterised in that before described mesh plate gland
End face is provided with the first seal groove, and the diameter of the first seal groove is less than the external diameter of annular boss, clamp in the first seal groove
There is the first sealing ring.
4. printer ink supply anti-backflow valve according to claim 3, it is characterised in that the bottom of described valve element installation cavity
Portion is provided with the second seal groove, and the second sealing ring is installed with the second seal groove.
5. printer ink supply anti-backflow valve according to claim 4, it is characterised in that described male joint and female joint
It is adapter of plastic, valve element, mesh plate, mesh plate gland and valve rod are hard plastics making, the first sealing ring and the
Two sealing rings are rubber ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621203677.6U CN206145198U (en) | 2016-11-08 | 2016-11-08 | Printing machine supplies black anti -return valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621203677.6U CN206145198U (en) | 2016-11-08 | 2016-11-08 | Printing machine supplies black anti -return valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206145198U true CN206145198U (en) | 2017-05-03 |
Family
ID=58624034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621203677.6U Expired - Fee Related CN206145198U (en) | 2016-11-08 | 2016-11-08 | Printing machine supplies black anti -return valve |
Country Status (1)
Country | Link |
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CN (1) | CN206145198U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113085360A (en) * | 2021-04-27 | 2021-07-09 | 江苏凤凰通达印刷有限公司 | Environment-friendly printing process and equipment for paper products |
-
2016
- 2016-11-08 CN CN201621203677.6U patent/CN206145198U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113085360A (en) * | 2021-04-27 | 2021-07-09 | 江苏凤凰通达印刷有限公司 | Environment-friendly printing process and equipment for paper products |
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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: 20170503 Termination date: 20171108 |