CN207593454U - A kind of valve seat grinding table with liquid collecting and liquor charging structure - Google Patents
A kind of valve seat grinding table with liquid collecting and liquor charging structure Download PDFInfo
- Publication number
- CN207593454U CN207593454U CN201721703732.2U CN201721703732U CN207593454U CN 207593454 U CN207593454 U CN 207593454U CN 201721703732 U CN201721703732 U CN 201721703732U CN 207593454 U CN207593454 U CN 207593454U
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- liquid
- valve seat
- grinding
- pedestal
- round platform
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Abstract
The utility model is related to a kind of valve seat grinding tables with liquid collecting and liquor charging structure, including pedestal, the middle of the base sets installation cavity, it is isolated to form upper chamber and lower chambers by shading ring in the middle part of installation cavity, the lower chambers lower end is connect by bottom plate with whorl of base seals lower chambers, the bottom plate upper end is fixed with rotary electric machine by fixing screws, the shaft of rotary electric machine is vertically arranged, the pedestal upper surface is located at upper chamber both sides and is symmetrical arranged there are two gripping mechanism, upper chamber is disposed with Rotary tray and fixed plate from the bottom up, end surface grinding round platform is provided in the middle part of dead plate upper end, the upper end of end surface grinding round platform is provided with bevel ground round platform, shaft is fixedly connected with Rotary tray lower end.The utility model is simple in structure small, the operable more simultaneous grindings of a people, cost and low energy consumption, and valve seat clamping is stablized, and when grinding also ensures that valve seat is at the uniform velocity ground so that grinding is more accurate, and grinding effect is good, precision is high.
Description
Technical field
The utility model is related to grinding devices, belong to technical field of mechanical processing, more specifically, the utility model is related to
A kind of valve seat grinding table with liquid collecting and liquor charging structure.
Background technology
Valve is for being opened and closed pipeline, control flow direction, the parameter (temperature, pressure and flow) for adjusting and controlling pumped (conveying) medium
Pipeline fittings, according to its function, shut-off valve, check-valves, regulating valve etc. can be divided into.Valve is the control in fluid delivery system
Component has the function of cut-off, adjusting, water conservancy diversion, prevents adverse current, voltage stabilizing, shunting or overflow pressure relief etc..
Valve generally all includes valve body, sealing cover, valve seat, spool (flap) and valve rod, is integrally formed fluid seal structure,
Wherein, valve seat is detachable face component in valve, is used to support spool closed positions, and form sealing pair.General valve-seat diameter
As valve maximum flow diameter.Valve seat is typically all loop configuration, has one or more sealing surfaces, sealing surface is inclined-plane
Or plane, since sealing surface of seat needs to match to form sealing pair with spool, the sealing surface of valve seat is equal before being assembled
It needs to carry out rough lapping, half smooth grinding and the several steps of smooth grinding, wherein sealing surface is needed with regard to seal request can be reached after fine grinding,
In fine grinding, frequently with manually being refined, which is more demanding to worker, can not largely popularize, and part manufacturer can also
Refined using equipment, but the most build of present equipment is larger, grind cost and high energy consumption every time, and be all mostly with
The valve pairing of single model, it is poor for applicability.And in grinding, it is necessary to add in lapping liquid or abrasive pastes carry out auxiliary and grind
Mill, these lapping liquids or abrasive pastes after grinding if removed not in time, it will the waste liquid with metallic particles is formed, in grinding
The grinding waste liquid do not removed is contacted with sealing surface, so as to which the metallic particles of Yin Qinei may cause its sealing surface to scratch, influences to grind
Precision is ground, entire abradant surface can be damaged when serious, valve seat is caused to be scrapped.
Utility model content
More than technical problem is based on, the utility model provides a kind of valve seat grinding table with liquid collecting and liquor charging structure,
Persistently addition lapping liquid or abrasive pastes, grinding waste liquid it can not can not remove and return in time so as to solve previous valve seat milling apparatus
The technical issues of receipts.
For solution more than technical problem, the technical solution adopted in the utility model is as follows：
A kind of valve seat grinding table with liquid collecting and liquor charging structure, including pedestal, the middle of the base setting installation cavity, installation
It is isolated to form upper chamber and lower chambers by shading ring in the middle part of cavity, the lower chambers lower end is connect by bottom plate with whorl of base
Lower chambers to be sealed, the bottom plate upper end is fixed with rotary electric machine by fixing screws, and the shaft of rotary electric machine is vertically arranged,
The pedestal upper surface is located at upper chamber both sides and is symmetrical arranged there are two gripping mechanism, and gripping mechanism includes positioning
Plate, positioning plate are provided with knob bolts, and with positioning plate thread fitting and through positioning plate, the knob bolts are located at knob bolts
End on the inside of positioning plate is also connected with metal gasket, the arc-shaped structure in metal gasket end face；
The upper chamber is disposed with Rotary tray and fixed plate from the bottom up, and end face is provided in the middle part of dead plate upper end
Grind round platform, the upper end of end surface grinding round platform is provided with bevel ground round platform, and the periphery of bevel ground round platform is inclined surface, institute
Shaft is stated to be fixedly connected with Rotary tray lower end；
The shading ring upper surface is recessed inner concave, and collecting tank is formed in the middle part of inner concave, is set in the pedestal
There is the liquid pushing tube connected with collecting tank, the pedestal is additionally provided with atrium, and extensible liquid-collecting box, institute are provided in atrium
The port of export for stating liquid pushing tube is located at liquid accumulating box upper end；
The pedestal upper surface is additionally provided with door shaped stent, and liquid-adding device, liquid feeding dress are threaded in the middle part of door shaped stent
Setting in end surface grinding round platform upper center, which includes the outlet tube set gradually from the bottom up, liquid pushing tube and deposits
Storage cylinder, the liquor charging tube outer surface are provided with external screw thread, and the liquid-adding device passes through external screw thread and door shaped stent thread fitting, institute
It states there are two outlet tube is symmetrical arranged；
The outlet tube is metal snake-like hose, and two outlet tubes are equipped with Row control with liquid pushing tube connecting pin and open
It closes.
Based on above technical scheme, the connecting plate lower end is axially provided with sliding block, and the base side is provided with sliding
The sliding slot of block cooperation.
Based on above technical scheme, the knob bolts end set has jack, and the metal gasket is provided with card column, the two
Clamping is realized by card column and jack cooperation.
Based on above technical scheme, insulation set between the knob bolts and metal gasket, the metal gasket is also associated with
Electrical heating power cord, electrical heating power cord are stretched out by knob bolts and connect external power supply.
Based on above technical scheme, the chassis interior is additionally provided with the controller and timing module of mutual signal connection,
The controller is connect with the rotary electric machine signal, and the susceptor surface is additionally provided with the control panel of controller.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are：
1st, the utility model is simple in structure small, the operable more simultaneous grindings of a people, cost and low energy consumption, and valve seat
Clamping is stablized, and when grinding also ensures that valve seat is at the uniform velocity ground so that grinding is more accurate, and grinding effect is good, precision is high.
2nd, the utility model end surface grinding round platform and bevel ground round platform can be respectively to close with flat seal face or inclined-plane
The invention of cover is ground, so as to use with different types of valve seat, and end surface grinding round platform can not will also have plane
The valve seat end face of sealing surface polishes, and improves its levelness subsequently assembled, and ensures installation accuracy or the fitness of valve seat and spool.
3rd, the utility model is by setting inner concave, collecting tank, liquid pushing tube and liquid-collecting box to form the liquor collecting system completed, from
And by the collections such as the lapping liquid added in process of lapping, abrasive pastes recycle, can not only prevent lapping liquid, abrasive pastes accumulation and
Be mingled with grinding generate metallic particles cause sealing surface of seat cross grind or sealing surface scratch the problem of, while can also by lapping liquid,
Abrasive pastes utilize after collecting reprocessing, further reduce the cost.
4th, the outlet tube of the utility model is metal snake-like hose, so as to arbitrary flexural deformation, facilitates and adjusts out liquid
Pipe goes out the position of liquid so that drain position utilizes Row control switch control lapping liquid, abrasive pastes closer to abradant surface
Go out flow velocity, play the purpose uniformly added and uniformly ground.
5th, the utility model can heat metal gasket by electrical heating power cord, can to the valve seat that is ground into
Row preheating, valve seat abradant surface temperature is excessively high when can prevent grinding and local deformation, ensure that the integrally-built stability of valve seat.
6th, the utility model controller and timing module can control timing rotation and the rotating of rotary electric machine, so as to grind
It need to only be set during mill, it is extremely convenient without manually adjusting.
Description of the drawings
Fig. 1 is the structure diagram of utility model；
Fig. 2 is the vertical view of bevel ground round platform；
Fig. 3 is the structure diagram of retaining strip；
Fig. 4 is knob bolts and the assembling structure schematic diagram of metal gasket；
It is marked in figure：1st, door shaped stent；2nd, metal gasket；3rd, knob bolts；4th, positioning plate；5th, retaining strip；6th, pedestal；7th, it controls
Panel processed；8th, controller；9th, timing module；10th, shading ring；11st, bottom plate；12nd, rotary electric machine；13rd, collecting tank；14th, liquid-collecting box；
15th, liquid pushing tube；16th, gear teeth structure；17th, Rotary tray；18th, fixed plate；19th, end surface grinding round platform；20th, bevel ground round platform；
21st, outlet tube；22nd, Row control switchs；23rd, liquid pushing tube；24th, storage barrel；25th, fan-shaped platform；26th, gear teeth head is engaged；27th, it connects
Plate；28th, sliding block.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings.The embodiment of the utility model includes but unlimited
In the following example.
A kind of valve seat grinding table with liquid collecting and liquor charging structure as Figure 1-Figure 4, including pedestal 6,6 middle part of pedestal
Installation cavity is set, is isolated in the middle part of installation cavity by shading ring 10 and forms upper chamber and lower chambers, the lower chambers lower end leads to
It crosses bottom plate 11 and is threadedly coupled with pedestal 6 and seal lower chambers, 11 upper end of bottom plate is fixed with rotary electric machine by fixing screws
12, the shaft of rotary electric machine 12 is vertically arranged,
6 upper surface of pedestal is located at upper chamber both sides and is symmetrical arranged there are two gripping mechanism, and gripping mechanism includes positioning
Plate 4, positioning plate 4 are provided with knob bolts 3, and knob bolts 3 are with 4 thread fitting of positioning plate and through positioning plate 4, the knob spiral shell
The end that nail 3 is located at 4 inside of positioning plate is also connected with metal gasket 2, the arc-shaped structure in 2 end face of metal gasket；
The upper chamber is disposed with Rotary tray 17 and fixed plate 18, the setting of 18 upper center of fixed plate from the bottom up
There is end surface grinding round platform 19, the upper end of end surface grinding round platform 19 is provided with bevel ground round platform 20, the circle of bevel ground round platform 20
Circumferential surface is inclined surface, and the shaft is fixedly connected with 17 lower end of Rotary tray；
10 upper surface of shading ring is recessed inner concave, is formed with collecting tank 13 in the middle part of inner concave, in the pedestal 6
The liquid pushing tube 15 connected with collecting tank 13 is provided with, the pedestal 6 is additionally provided with atrium, is provided in atrium extensible
Liquid-collecting box 14, the port of export of the liquid pushing tube 15 are located at 14 upper end of liquid accumulating box；
6 upper surface of pedestal is additionally provided with door shaped stent 1, and 1 middle part of door shaped stent is threaded with liquid-adding device, liquid feeding
Device is located at 19 upper center of end surface grinding round platform, which includes the outlet tube 21, the liquor charging that set gradually from the bottom up
Pipe 23 and storage barrel 24,23 outer surface of liquid pushing tube are provided with external screw thread, and the liquid-adding device passes through external screw thread and gate branch
1 thread fitting of frame, the outlet tube 21 be symmetrical arranged there are two；
The outlet tube 21 is metal snake-like hose, and two outlet tubes 21 are equipped with flow control with 15 connecting pin of liquid pushing tube
System switch 22.
The operation principle of the present embodiment is：Valve seat is lain against on end surface grinding round platform 19, and is adjusted it is positioned such that tiltedly
Face grinding round platform 20 can correspond to the sealing surface of valve seat, and valve seat can be clamped with coaxial clamping piece etc. and is coaxially disposed and is justified in end surface grinding
On platform 19, knob bolts 3 are adjusted after having good positioning, is bonded by metal gasket 2 with valve seat outer end face by valve seat clamping, is started turn at this time
Dynamic motor 12, rotary electric machine 12 drive Rotary tray 17,20 circumference of fixed plate 18, end surface grinding round platform 19 and bevel ground round platform
Uniform rotation, by end surface grinding round platform 19 and bevel ground round platform 20 to the lower end fitting surface of valve seat and inside angular sealing surface
It is ground, in process of lapping, valve seat height is adjusted according to grinding situation in due course, and be properly added lapping liquid or abrasive pastes.
The present embodiment is simple in structure, and clamping is stablized, and when grinding also ensures that valve seat is at the uniform velocity ground so that and grinding is more accurate,
Grinding effect is good, precision is high, and operating personnel can operate multiple devices simultaneously and be ground during grinding, and grinding is automatically performed, and saves
Human cost improves effect, also, while grinding to valve seat end face and angular sealing surface can be carried out at the same time grinding simultaneously, from
And ensure the surface smoothness of valve seat assembly precision and sealing surface.
Based on above example, in order to further solve the problems, such as the matching degree of valve seat and bevel ground round platform 20, this implementation
End surface grinding round platform 19 in example is scroll chuck structure, and the bevel ground round platform 20 is three fan-shaped platforms 25, the end face
Grinding round platform 19 can drive three fan-shaped platforms 25 to move radially to form complete circular configuration.Pass through scroll chuck structure, end
Face grinding round platform 19 can drive three fan-shaped platforms 25 to move along the radial, and so as to which three fan-shaped platforms 25 are driven, be formed
It completes round or is formed separately three independent individuals with identical spacing, grinding for bevel ground round platform 20 is changed with this
Radius is ground, is used so as to be suitable for the valve seat of different radii, the compactness higher of valve seat and bevel ground round platform 20 ensure that
The precision of grinding.
Based on above example, further to solve the problems, such as time and the required precision ground, the present embodiment it is described
17 lower circumferential side of Rotary tray is additionally provided with a circle gear teeth structure 16, and 6 periphery of pedestal is additionally provided with retaining strip 5,
Retaining strip 5 includes connecting plate 27 and the engagement gear teeth head 26 for being connected to 27 end of connecting plate, and the connecting plate 27 runs through pedestal (6)
Afterwards clamping Rotary tray 17 is intermeshed with gear teeth structure 16 by engaging gear teeth head 26.Current embodiment require that Rotary tray 17
When being fixed and preventing its rotation, retaining strip 5 can be inserted into upper chamber, it is mutual with gear teeth structure 16 by engaging gear teeth head 26
Meshing clamped Rotary tray 17 makes fixed plate 18 fixed, needs to extract retaining strip during rotation, easy to operate,
So as to when loading and unloading valve seat Rotary tray will not arbitrarily rotate, it is easy for installation, can also avoid because stop not in time due to caused to grind
Situation, ensure that the sealed precision and dimensional accuracy of abradant surface.
Based on above example, further to solve the problems, such as that grinding waste liquid causes sealing surface to scratch during grinding, described
10 upper surface of shading ring is recessed inner concave, and collecting tank 13 is formed in the middle part of inner concave, is provided in the pedestal 6 and liquid collecting
The liquid pushing tube 15 that slot 13 connects, the pedestal 6 are additionally provided with atrium, extensible liquid-collecting box 14, institute are provided in atrium
The port of export for stating liquid pushing tube 15 is located at 14 upper end of liquid accumulating box.By setting inner concave, collecting tank 13, liquid pushing tube 15 and liquid-collecting box 14
The liquor collecting system completed is formed, it, not only can be to prevent so as to which the collections such as the lapping liquid added in process of lapping, abrasive pastes be recycled
Only lapping liquid, abrasive pastes accumulation and be mingled with grinding generate metallic particles cause sealing surface of seat cross grind or sealing surface scratch ask
Topic, while utilized after can also lapping liquid, abrasive pastes being collected reprocessing, it further reduces the cost.
Based on above example, further to solve the problems, such as how abrasive pastes or lapping liquid persistently add, the present embodiment
Door shaped stent 1 is additionally provided in 6 upper surface of pedestal, 1 middle part of door shaped stent is threaded with liquid-adding device, liquid-adding device position
In 19 upper center of end surface grinding round platform, the liquid-adding device include the outlet tube 21 set gradually from the bottom up, liquid pushing tube 23 and
Storage barrel 24,23 outer surface of liquid pushing tube are provided with external screw thread, and the liquid-adding device passes through external screw thread and 1 screw thread of door shaped stent
Cooperation, the outlet tube 21 be symmetrical arranged there are two.The present embodiment is by setting liquid-adding device, 24 memory storage lapping liquid of storage barrel
Or abrasive pastes, lapping liquid or abrasive pastes flow into outlet tube 21, then drop in valve seat and inclined-plane by outlet tube 21 by liquid pushing tube 23
The abradant surface of grinding round platform 20, assisted milling, it is achieved thereby that the purpose of automatic liquid-feeding, and liquid pushing tube 23 and 1 spiral shell of door shaped stent
Line connect so that liquid-adding device can integral elevating, may be height adjusted hence for the valve seat of different height, ensure inhomogeneity
The valve seat of type in use, outlet tube 21 can correspond to abradant surface goes out liquid.
Based on above example, further to solve the problems, such as lapping liquid or abrasive pastes are even measures liquid, the outlet tube 21
For metal snake-like hose, and two outlet tubes 21 are equipped with Row control switch 22 with 15 connecting pin of liquid pushing tube.The present embodiment goes out
Liquid pipe 21 is metal snake-like hose, so as to arbitrary flexural deformation, adjustment outlet tube is facilitated to go out the position of liquid so that go out liquid level
It puts closer to abradant surface, while goes out flow velocity using 22 control lapping liquids of Row control switch, abrasive pastes, play uniform addition
The purpose uniformly ground.
Based on above example, further to solve the problems, such as 5 stop stability of retaining strip, the 27 lower end axis of connecting plate
To sliding block 28 is provided with, 6 side of pedestal is provided with the sliding slot coordinated with sliding block 28.The present embodiment is stuck in cunning by sliding block 28
In slot, 27 horizontal movement of collateral security connecting plate ensure that the accurate stop of retaining strip 5 without rotating.
Based on above example, further to solve the problems, such as that valve seat clamping is unstable, 3 end set of knob bolts
There is jack, the metal gasket 2 is provided with card column, and the two realizes clamping by card column and jack cooperation.Metal gasket 2 and knob bolts
3 are attached using snap fits, so as to which knob bolts 3 are when screwing, can guarantee that metal gasket 2 does not rotate, so as to ensure its with
The binding face of valve base surface ensures the stability and compactness of clamping.
Based on above example, further to solve the problems, such as valve seat construction stability, in the knob bolts 3 and metal
Insulation set between pad 2, the metal gasket 2 are also associated with electrical heating power cord, and electrical heating power cord is stretched out by knob bolts 3
And connect external power supply.The external power supply of the present embodiment can supply electrical heating by electrical heating power cord to metal gasket 2, to grinding
The valve seat of mill is preheated, and valve seat abradant surface temperature is excessively high when can prevent grinding and local deformation, ensure that valve seat is integrally tied
The stability of structure.
Based on above example, further to solve the problems, such as that the control of milling time and lapping mode is inconvenient, described
The controller 8 and timing module 9 of mutual signal connection, the controller 8 and the rotary electric machine 12 are additionally provided with inside pedestal 6
Signal connects, and 6 surface of pedestal is additionally provided with the control panel 7 of controller 8.The timing module 9 of the present embodiment can control
The switch time of rotary electric machine 12, controller 8 then can control timing module 9 and change the time, and go back controlling rotary motor
12 rotate and reverse, without manually adjusting and control, high degree of automation.
It is the embodiment of the utility model as described above.Each preferred embodiment described previously for the utility model,
Preferred embodiment in each preferred embodiment if not apparent contradictory or premised on a certain preferred embodiment,
Each preferred embodiment can arbitrarily stack combinations use, the design parameter in the embodiment and embodiment be only for
The utility model verification process of clear statement utility model people, not to limit the scope of patent protection of the utility model,
The scope of patent protection of the utility model is still subject to its claims, every specification with the utility model and attached
The equivalent structure variation that figure content is made, similarly should be included in the scope of protection of the utility model.
Claims (4)
1. including pedestal (6), installation cavity is set in the middle part of pedestal (6) for a kind of valve seat grinding table with liquid collecting and liquor charging structure,
Upper chamber and lower chambers are formed by shading ring (10) isolation in the middle part of installation cavity, the lower chambers lower end by bottom plate (11) with
Lower chambers are sealed in pedestal (6) threaded connection, and bottom plate (11) upper end is fixed with rotary electric machine (12) by fixing screws, are turned
The shaft of dynamic motor (12) is vertically arranged, it is characterised in that：
Pedestal (6) upper surface is located at upper chamber both sides and is symmetrical arranged there are two gripping mechanism, and gripping mechanism includes positioning plate
(4), positioning plate (4) is provided with knob bolts (3), knob bolts (3) and positioning plate (4) thread fitting and runs through positioning plate (4),
End of the knob bolts (3) on the inside of positioning plate (4) is also connected with metal gasket (2), and metal gasket (2) end face is in arc
Shape structure；
The upper chamber is disposed with Rotary tray (17) and fixed plate (18) from the bottom up, and fixed plate (18) upper center is set
End surface grinding round platform (19) is equipped with, the upper end of end surface grinding round platform (19) is provided with bevel ground round platform (20), bevel ground circle
The periphery of platform (20) is inclined surface, and the shaft is fixedly connected with Rotary tray (17) lower end；
Shading ring (10) upper surface is recessed inner concave, and collecting tank (13), the pedestal (6) are formed in the middle part of inner concave
The liquid pushing tube (15) connected with collecting tank (13) is inside provided with, the pedestal (6) is additionally provided with atrium, is provided in atrium
Extensible liquid-collecting box (14), the port of export of the liquid pushing tube (15) are located at liquid accumulating box (14) upper end；
Pedestal (6) upper surface is additionally provided with door shaped stent (1), is threaded with liquid-adding device in the middle part of door shaped stent (1), adds
Liquid device is located at end surface grinding round platform (19) upper center, which includes the outlet tube set gradually from the bottom up
(21), liquid pushing tube (23) and storage barrel (24), liquid pushing tube (23) outer surface are provided with external screw thread, and the liquid-adding device passes through
External screw thread and door shaped stent (1) thread fitting, there are two the outlet tube (21) is symmetrical arranged；
The outlet tube (21) is metal snake-like hose, and two outlet tubes (21) are equipped with flow with liquid pushing tube (15) connecting pin
Control switch (22).
2. a kind of valve seat grinding table with liquid collecting and liquor charging structure according to claim 1, it is characterised in that：The rotation
Button screw (3) end set has jack, and the metal gasket (2) is provided with card column, and the two realizes card by card column and jack cooperation
It connects.
3. a kind of valve seat grinding table with liquid collecting and liquor charging structure according to claim 2, it is characterised in that：The rotation
Insulation set between button screw (3) and metal gasket (2), the metal gasket (2) are also associated with electrical heating power cord, electrical heating power supply
Line is stretched out by knob bolts (3) and connects external power supply.
4. a kind of valve seat grinding table with liquid collecting and liquor charging structure according to claim 1, it is characterised in that：The bottom
The controller (8) and timing module (9) of mutual signal connection, the controller (8) and the rotation are additionally provided with inside seat (6)
Motor (12) signal connects, and pedestal (6) surface is additionally provided with the control panel (7) of controller (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721703732.2U CN207593454U (en) | 2017-12-10 | 2017-12-10 | A kind of valve seat grinding table with liquid collecting and liquor charging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721703732.2U CN207593454U (en) | 2017-12-10 | 2017-12-10 | A kind of valve seat grinding table with liquid collecting and liquor charging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207593454U true CN207593454U (en) | 2018-07-10 |
Family
ID=62764812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721703732.2U Expired - Fee Related CN207593454U (en) | 2017-12-10 | 2017-12-10 | A kind of valve seat grinding table with liquid collecting and liquor charging structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207593454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048643A (en) * | 2018-10-15 | 2018-12-21 | 江山市志成阀门有限公司 | A kind of process equipment for the ball valve seat promoting processing effect |
-
2017
- 2017-12-10 CN CN201721703732.2U patent/CN207593454U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048643A (en) * | 2018-10-15 | 2018-12-21 | 江山市志成阀门有限公司 | A kind of process equipment for the ball valve seat promoting processing effect |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 Termination date: 20181210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |