CN106065966A - A kind of quick-opened valve core - Google Patents
A kind of quick-opened valve core Download PDFInfo
- Publication number
- CN106065966A CN106065966A CN201610676743.XA CN201610676743A CN106065966A CN 106065966 A CN106065966 A CN 106065966A CN 201610676743 A CN201610676743 A CN 201610676743A CN 106065966 A CN106065966 A CN 106065966A
- Authority
- CN
- China
- Prior art keywords
- valve
- pottery
- valve rod
- quick
- groove
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
- F16K27/045—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members with pivotal obturating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
- F16K3/06—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages
- F16K3/08—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages with circular plates rotatable around their centres
- F16K3/085—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages with circular plates rotatable around their centres the axis of supply passage and the axis of discharge passage being coaxial and parallel to the axis of rotation of the plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a kind of quick-opened valve core, including valve seat, valve casing, valve rod, pottery moving plate, pottery still, rubber plug, cylindrically, its both ends of the surface are formed there through penetrating inner chamber to valve casing, and inner chamber is used for wearing valve rod and being close to successively insert pottery moving plate, pottery still, rubber plug；The fast heat water valve of the present invention drives pottery moving plate to rotate by rotation valve rod, and the Guan Bi of the water stream channel that control inlet opening, limbers, apopore are constituted realizes intaking and cutting off the water supply.Valve rod can intercept by limited boss after turning to certain angle, and now inlet opening, limbers, apopore are in fully on or closure state.The integral structure that valve seat is original compared with the split of valve casing setting, it has substantially reduction on difficulty of processing, decreases and scrap and repair rate, reduce cost；Machining accuracy after split is arranged also is largely increased so that it is dismount more smoothly, interchangeability is more preferable；While which reducing difficulty of processing, also improve production efficiency.
Description
Technical field
The present invention relates to water valve technical field, particularly to a kind of quick-opened valve core.
Background technology
Quick-opened valve core is modal a kind of spool in angle valve, and it is usually by valve casing, valve rod and pottery moving plate, pottery
Still form, valve casing sidepiece has apopore, and valve rod is arranged in valve casing, pottery open soon chip be arranged at apopore at valve
In shell and it is connected with valve rod, drives pottery moving plate to rotate by rotation valve rod and realize intaking and cutting off the water supply.
Currently marketed quick-opened valve core, its ectosome blank is all monoblock type, so causes during machine-shaping
There is a lot of inconvenience, especially rustless steel quick-opened valve core uses cold-heading or hot investment casting to be formed, and brings perhaps in later stage polish
Many inconvenience, its quality cannot guarantee that with precision aspect consistent, interchangeability is poor, and difficulty of processing great Yi reprocesses, scrappage is high
Cause processing cost high, also reduce production efficiency, decrease yield.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of be easy to processing, that rational in infrastructure, precision is high, interchangeability is good is fast
Valve opening core.
In order to solve above-mentioned technical problem, the technical scheme is that
A kind of quick-opened valve core, including valve seat, valve casing, valve rod, pottery moving plate, pottery still, rubber plug, valve casing is cylinder
Shape, its both ends of the surface are formed there through penetrating inner chamber, and inner chamber is used for wearing valve rod and being close to successively, and to insert pottery moving plate, pottery quiet
Sheet, rubber plug.
Valve seat is provided with installing hole, and installing hole runs through its both ends of the surface, and one end outer wall of valve seat is provided with screw thread, annular groove, annular groove
O RunddichtringO is inside set；Preferably, for ease of dismounting, the other end outer wall of valve seat uses cold heading technique to process hex nut
Outer wall construction；
Valve casing lateral wall is provided with the apopore run through, and the position that the apopore of inner chamber is corresponding is located at by pottery moving plate；In it
Being additionally provided with positive stop lug boss bottom wall, positive stop lug boss is for limiting the rotational angle of valve rod, convenient precisely reset, preferably to control
Valve rod drives pottery moving plate to rotate and realizes intaking and cutting off the water supply；Preferably, positive stop lug boss is two, is symmetrical arranged；Valve casing inwall
Stage casing is also relatively set with two positioning boss；
Pottery moving plate both sides are provided with limbers, and its outer wall is also relatively set with draw-in groove；Draw-in groove is installed with the claw on valve rod
Suitable, claw inserts in draw-in groove, and during to realize rotary valve rod, valve rod drives claw to rotate, claw drives draw-in groove to rotate, and reaches
Valve rod controls pottery moving plate and rotates；Relatively being provided with groove on pottery still outer wall, groove runs through pottery still upper and lower end face；Pottery
Still is additionally provided with the inlet opening running through upper and lower end face；Preferably, described inlet opening is two and is symmetrical arranged；Described inlet opening is also
It is provided with water conservancy diversion inclined-plane, linking pottery still upper surface, upper end, water conservancy diversion inclined-plane, linking inlet opening, lower end, forms similar counter sink knot
Structure；
Valve rod is column structure, and front end outer wall is provided with anti-skidding bar shaped and erects tooth, and inwall is provided with screwed hole；Tail end is provided with prominent circle
Platform, valve rod back segment when valve rod passes valve casing, is intercepted in valve casing by round platform external diameter more than the cylinder external diameter of remaining section, round platform
Chamber；It is additionally provided with some annular grooves, sheathed O RunddichtringO in annular groove on valve rod cylinder outer wall；Its round platform front end face is also fitted with glue
Pad, is used for sealing；Described round platform outer surface is additionally provided with claw；
Described positioning boss is suitable with the groove on the outer wall of pottery still, when valve shell cavity inserted by pottery still, recessed
Groove is engaged mutually with positioning boss；
Valve seat is connected with valve casing, and valve rod passes valve seat, valve shell cavity, and valve rod is connected with pottery moving plate, pottery moving plate laminating
Pottery still, rubber plug compresses pottery still；
Valve seat can be taked to weld with the connected mode of valve casing: laser welding, argon arc welding welding, ratio-frequency welding, solid solution soldering
Deng, mechanical presses rivet, liquid glue solidifies.
The fast heat water valve of the present invention drives pottery moving plate to rotate by rotation valve rod, controls inlet opening, limbers, apopore
The Guan Bi of the water stream channel constituted, realizes intaking and cutting off the water supply.Valve rod can intercept by limited boss after turning to certain angle, this
Time inlet opening, limbers, apopore be in fully on or closure state.
Relative to prior art, the invention have the benefit that the one that valve seat is original compared with the split of valve casing setting
Changing structure, it has substantially reduction on difficulty of processing, decreases and scraps and repair rate, reduces cost；Split arrange after add
Work precision is also largely increased so that it is dismount more smoothly, interchangeability is more preferable；While which reducing difficulty of processing, also carry
High production efficiency；
In terms of the installation location of pottery still, the groove of pottery still and the positioning boss of valve casing are arranged, its structure letter
Single, effectively, it is easy to processing.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of quick-opened valve core of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described further.At this it should be noted that for
The explanation of these embodiments is adapted to assist in and understands the present invention, but is not intended that the restriction to invention.Additionally, it is disclosed below
Just can be mutually combined as long as technical characteristic involved in each embodiment of the present invention does not constitutes conflict each other.
As it is shown in figure 1, a kind of quick-opened valve core, including valve seat 1, valve casing 2, valve rod 3, pottery moving plate 4, pottery still 5, rubber
Plug 6, cylindrically, its both ends of the surface are formed there through penetrating inner chamber to valve casing 2, and inner chamber is used for wearing valve rod 3 and being close to successively put
Enter pottery moving plate 4, pottery still 5, rubber plug 6.
Valve seat 1 is provided with installing hole, and installing hole runs through its both ends of the surface, and one end outer wall of valve seat 1 is provided with screw thread 11, annular groove one
12, O RunddichtringO 7 is set in annular groove 1；Preferably, for ease of dismounting, the other end outer wall of valve seat 1 uses cold heading technique
(or with milling machine) processes the outer wall construction 13 of hex nut；
Valve casing 2 lateral wall is provided with the apopore 21 run through, and the position that the apopore 21 of inner chamber is corresponding is located at by pottery moving plate 4
Put；Being additionally provided with positive stop lug boss 22 bottom its inwall, positive stop lug boss 22 is used for limiting the rotational angle of valve rod 3, convenient precisely reset,
Drive pottery moving plate 4 to rotate with preferably control valve rod 3 to realize intaking and cutting off the water supply；Preferably, positive stop lug boss 22 is two, right
Claim to arrange；Valve casing 2 inwall stage casing is also relatively set with two positioning boss 23, and axial symmetry is arranged.
Pottery moving plate 4 both sides are provided with limbers 41, and its outer wall is also relatively set with draw-in groove 42；On draw-in groove 42 and valve rod 3
Claw 33 is installed suitable, and claw 33 inserts in draw-in groove 42, and during to realize rotary valve rod 3, valve rod 3 drives claw 33 to rotate, block
Pawl 33 drives draw-in groove 42 to rotate, reach valve rod 3 control pottery moving plate 4 rotate；Groove 52 relatively it is provided with on pottery still 5 outer wall,
Groove 52 runs through pottery still 5 upper and lower end face；Pottery still 5 is additionally provided with the inlet opening 51 running through upper and lower end face；Preferably, described
Inlet opening 51 is two and is symmetrical arranged；Described inlet opening 51 is additionally provided with water conservancy diversion inclined-plane, upper end, water conservancy diversion inclined-plane linking pottery still 5
Upper surface, linking inlet opening, lower end 51, form similar counter sink structure；
Valve rod 3 is column structure, and front end outer wall is provided with anti-skidding bar shaped and erects tooth 34, and inwall is provided with screwed hole；Tail end is provided with prominent
Going out round platform 31, round platform 31 external diameter is more than the cylinder external diameter of remaining section, and round platform 31 is when valve rod 3 passes valve casing 2, after valve rod 3
Section intercepts at valve casing 2 inner chamber；Some annular grooves 32 it are additionally provided with, sheathed O RunddichtringO 7 in annular groove 32 on valve rod 3 cylinder outer wall；Its circle
Platform 31 front end face is also fitted with rubber cushion 8, is used for sealing；Described round platform 31 outer surface is additionally provided with claw 33；
Described positioning boss 23 is suitable with the groove 52 on the outer wall of pottery still 5, and pottery still 5 is inserted in valve casing 2
During chamber, groove 52 is engaged with positioning boss 23 phase；
Valve seat 1 is connected with valve casing 2, and valve rod 3 is connected through valve seat 1, valve casing 2 inner chamber, valve rod 3 with pottery moving plate 4, and pottery is dynamic
Sheet 4 fit pottery still 5, rubber plug 6 compress pottery still 5；
Rubber plug 6 is provided with through hole, and through hole runs through both ends of the surface, and rubber plug 6 blocks valve casing 2 one end；
Valve seat 1 can be taked to weld with the connected mode of valve casing 2: laser welding, argon arc welding welding, ratio-frequency welding, solid solution soldering
Deng, mechanical presses rivet, liquid glue solidifies.
Preferably, being additionally provided with jump ring 14 between valve rod 3 and valve seat 1, valve rod 3 is fixed by jump ring 14 with round platform 31 coordinated
It is limited on valve seat 1.
Preferably, described valve seat 1, valve rod 3 uses cold-heading to add or hot upsetting mode shapes；Valve casing 2 uses drawing process
Shape.
The fast heat water valve of the present invention by rotation valve rod 3 drive pottery moving plate 4 rotate, control inlet opening 51, limbers 41,
The Guan Bi of the water stream channel that apopore 21 is constituted, realizes intaking and cutting off the water supply.Valve rod 3 can be limited convex after turning to certain angle
Platform 22 intercepts, and now inlet opening 51, limbers 41, apopore 21 are in fully on or fully closed condition.
Above in association with accompanying drawing, embodiments of the present invention are explained in detail, but the invention is not restricted to described enforcement
Mode.For a person skilled in the art, in the case of without departing from the principle of the invention and spirit, to these embodiments
Carry out multiple change, revise, replace and modification, still fall within protection scope of the present invention.
Claims (9)
1. a quick-opened valve core, including valve seat, valve casing, valve rod, pottery moving plate, pottery still, rubber plug, it is characterised in that:
Cylindrically, its both ends of the surface are formed there through penetrating inner chamber to described valve casing, and inner chamber is used for wearing valve rod and being close to successively insert pottery
Porcelain moving plate, pottery still, rubber plug；
Described valve casing lateral wall is provided with the apopore run through, and is additionally provided with positive stop lug boss bottom its inwall；Positive stop lug boss is two, right
Claim to arrange；Valve casing inwall stage casing is also relatively set with two positioning boss, and axial symmetry is arranged；
Pottery moving plate both sides are provided with limbers, and its outer wall is also relatively set with draw-in groove；Draw-in groove is installed with the claw on valve rod and is fitted mutually
Joining, claw inserts in draw-in groove；Relatively being provided with groove on pottery still outer wall, groove runs through pottery still upper and lower end face；Pottery is quiet
Sheet is additionally provided with the inlet opening running through upper and lower end face；The position that the apopore of inner chamber is corresponding is located at by pottery moving plate；
Valve rod is column structure, and tail end is provided with prominent round platform, and round platform external diameter is used for valve rod more than the cylinder external diameter of remaining section, round platform
During through valve casing, valve rod back segment is intercepted at valve shell cavity；Described round platform outer surface is additionally provided with claw；
Described positioning boss is suitable with the groove on the outer wall of pottery still, and pottery still is when inserting valve shell cavity, groove with
Positioning boss is engaged mutually；
Valve seat is connected with valve casing, and valve rod passes valve seat, valve shell cavity, and valve rod is connected with pottery moving plate, pottery moving plate laminating pottery
Still, rubber plug compresses pottery still；
Rubber plug is provided with through hole, and through hole runs through both ends of the surface, rubber plug blocking valve casing one end.
Quick-opened valve core the most according to claim 1, it is characterised in that: described inlet opening is two, and is symmetrical arranged.
Quick-opened valve core the most according to claim 2, it is characterised in that: upper surface, described inlet opening is additionally provided with water conservancy diversion inclined-plane；
Linking pottery still upper surface, upper end, water conservancy diversion inclined-plane, linking inlet opening, lower end, form similar counter sink structure.
Quick-opened valve core the most according to claim 3, it is characterised in that: it is additionally provided with jump ring between described valve rod and valve seat, card
Spring is limited in fixing for valve rod on valve seat with round platform coordinated.
Quick-opened valve core the most according to claim 4, it is characterised in that: one end outer wall of described valve seat is provided with screw thread, ring
Groove one, arranges O RunddichtringO in annular groove one.
6. according to the quick-opened valve core according to any one of claim 1-5, it is characterised in that: described valve rod front end outer wall is provided with anti-
Draw runner shape erects tooth, and inwall is provided with screwed hole.
Quick-opened valve core the most according to claim 6, it is characterised in that: it is additionally provided with some rings on described valve rod cylinder outer wall
Groove, sheathed O RunddichtringO in annular groove；Described round platform front end face is also fitted with rubber cushion, is used for sealing.
8. according to the quick-opened valve core according to any one of claim 1-3, it is characterised in that: described valve seat and the connection side of valve casing
Formula can take laser welding, argon arc welding welding, ratio-frequency welding, solid solution soldering, mechanical presses rivet, liquid glue to solidify.
Quick-opened valve core the most according to claim 7, it is characterised in that: described valve seat, valve rod use cold-heading to add or hot upsetting side
Formula shapes；Valve casing uses drawing process to shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610676743.XA CN106065966A (en) | 2016-08-16 | 2016-08-16 | A kind of quick-opened valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610676743.XA CN106065966A (en) | 2016-08-16 | 2016-08-16 | A kind of quick-opened valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106065966A true CN106065966A (en) | 2016-11-02 |
Family
ID=57206882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610676743.XA Pending CN106065966A (en) | 2016-08-16 | 2016-08-16 | A kind of quick-opened valve core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106065966A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448634A (en) * | 2017-07-21 | 2017-12-08 | 日丰企业（佛山）有限公司 | The processing technology of valve cage, valve element group and valve cage |
| CN108895173A (en) * | 2018-08-07 | 2018-11-27 | 固始居机械有限公司 | A kind of angle valve and its assembly method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2278122Y (en) * | 1996-09-05 | 1998-04-08 | 张家博 | Control vavle for mixing cold and hot water |
| CN2428648Y (en) * | 2000-05-01 | 2001-05-02 | 李锦胜 | Cold-hot regulation tap core |
| CN2480645Y (en) * | 2001-05-13 | 2002-03-06 | 姜立人 | Double water outlet direction switching valve core |
| CN103277544A (en) * | 2013-05-21 | 2013-09-04 | 富山阀门实业(苏州)有限公司 | Check valve core device |
| CN104179998A (en) * | 2013-05-23 | 2014-12-03 | 翰优企业有限公司 | Ceramic control valve of faucet |
| CN104913072A (en) * | 2015-06-27 | 2015-09-16 | 开平市英卫建材有限公司 | Single-cold valve core |
| CN206054867U (en) * | 2016-08-16 | 2017-03-29 | 台州梦科卫浴有限公司 | A kind of quick-opened valve core |
-
2016
- 2016-08-16 CN CN201610676743.XA patent/CN106065966A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2278122Y (en) * | 1996-09-05 | 1998-04-08 | 张家博 | Control vavle for mixing cold and hot water |
| CN2428648Y (en) * | 2000-05-01 | 2001-05-02 | 李锦胜 | Cold-hot regulation tap core |
| CN2480645Y (en) * | 2001-05-13 | 2002-03-06 | 姜立人 | Double water outlet direction switching valve core |
| CN103277544A (en) * | 2013-05-21 | 2013-09-04 | 富山阀门实业(苏州)有限公司 | Check valve core device |
| CN104179998A (en) * | 2013-05-23 | 2014-12-03 | 翰优企业有限公司 | Ceramic control valve of faucet |
| CN104913072A (en) * | 2015-06-27 | 2015-09-16 | 开平市英卫建材有限公司 | Single-cold valve core |
| CN206054867U (en) * | 2016-08-16 | 2017-03-29 | 台州梦科卫浴有限公司 | A kind of quick-opened valve core |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448634A (en) * | 2017-07-21 | 2017-12-08 | 日丰企业（佛山）有限公司 | The processing technology of valve cage, valve element group and valve cage |
| CN107448634B (en) * | 2017-07-21 | 2024-02-02 | 日丰企业（佛山）有限公司 | Valve core group |
| CN108895173A (en) * | 2018-08-07 | 2018-11-27 | 固始居机械有限公司 | A kind of angle valve and its assembly method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107795611B (en) | Disk type brake device clamp | |
| CN106065966A (en) | A kind of quick-opened valve core | |
| CN106041131A (en) | Mechanical tool-changing permanent magnet synchronous electric spindle | |
| WO2008151565A1 (en) | A pressure control valve | |
| CN104913099B (en) | Conical surface seal type hydraulic pressure big flow high-speed figure valve | |
| CN206054867U (en) | A kind of quick-opened valve core | |
| JP2016518989A (en) | Piston for metal die casting | |
| CN103711934A (en) | Valve core sleeve in fast-opening valve core and machining method of valve core sleeve | |
| CN104373405B (en) | Servo valve body and machining method of servo valve body | |
| CN216758090U (en) | Crystallizer controlled by cooling water double channels | |
| CN203944856U (en) | A kind of efficient combination rose reamer | |
| CN206998450U (en) | A kind of silent oscillation guide pin bushing | |
| CN203067860U (en) | Counter-balance valve | |
| CN203035815U (en) | Braking device of eccentric rotary table | |
| CN208431383U (en) | A kind of plastic composite valve | |
| CN105966536A (en) | Quick-assembly pedal of spine structure | |
| CN207901565U (en) | Using the lower die of separate structure and using its hub mold | |
| CN209622084U (en) | Valve seat insert and its assembling structure | |
| CN104290022B (en) | Grinding device | |
| CN207229841U (en) | New swing type single-plate check valve entirety flap | |
| CN204739284U (en) | Can dismantle valve | |
| CN212297622U (en) | Water meter flow regulating valve and stainless steel water meter shell using same | |
| CN201399494Y (en) | Rotary die | |
| CN219176530U (en) | Hydraulic diaphragm metering pump | |
| CN104439188A (en) | Cylinder cast iron insert for aluminum alloy component |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161102 |
|
| RJ01 | Rejection of invention patent application after publication |