CN207049338U - Ceramic bottom valve - Google Patents
Ceramic bottom valve Download PDFInfo
- Publication number
- CN207049338U CN207049338U CN201720893051.0U CN201720893051U CN207049338U CN 207049338 U CN207049338 U CN 207049338U CN 201720893051 U CN201720893051 U CN 201720893051U CN 207049338 U CN207049338 U CN 207049338U
- Authority
- CN
- China
- Prior art keywords
- valve
- bonnet
- valve core
- valve body
- rod
- 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.)
- Active
Links
Landscapes
- Valve Housings (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The utility model discloses a kind of ceramic bottom valve,Including valve body,The valve body lower portion is provided with valve seat,Trim ring is provided between the valve body and valve seat,It is bolted between the trim ring and valve seat,The valve seat top is provided with valve core head,The valve core head top is provided with valve core rod,The valve core head on the outside of valve core rod junction with being provided with valve core housing,Fixed between the valve core housing and valve core rod by pin,The valve core rod top is provided with valve rod,The top end of the valve body is provided with bonnet,The bonnet above valve body junction by bonnet trim ring with being fixed,Fixed between the bonnet trim ring and valve body by nut stud,The bonnet apical lateral is provided with support,Cantilever tip is provided with pneumatic actuator,Thin-film heads and push rod are provided with pneumatic actuator,The bonnet top is provided with gland,The gland top is provided with hold-down grid.It is the utility model high temperature resistant, high rigidity, impact resistance, corrosion-resistant.
Description
Technical field
Bottom valve technology field is the utility model is related to, specially a kind of ceramic bottom valve.
Background technology
Bottom valve is a kind of valve by pneumatic actuator control fluid flow, and pneumatic actuator presses control signal pressure
Size produce corresponding thrust, promote valve body action, valve body directly contacts with fluid, adjusts the flow of the fluid, bottom valve
Can frequent starting in the short time, have be quick on the draw, act the characteristics of accurate, be used widely in fluid applications.It is but existing
Bottom valve sealing effectiveness it is poor, it is non-refractory, not corrosion-resistant.
Utility model content
The purpose of this utility model is to provide a kind of ceramic bottom valve, asked with solve to propose in above-mentioned background technology
Topic.
To achieve the above object, the utility model provides following technical scheme：A kind of ceramic bottom valve, including valve body, institute
State valve body lower portion and be provided with valve seat, trim ring is provided between the valve body and valve seat, passes through bolt between the trim ring and valve seat
Fixed, the valve seat top is provided with valve core head, and the valve core head top is provided with valve core rod, and the valve core head connects with valve core rod
Valve core housing is provided with the outside of the place of connecing, is fixed between the valve core housing and valve core rod by pin, the valve core rod top is provided with valve
Bar, the top end of the valve body are provided with bonnet, and the bonnet above valve body junction by bonnet trim ring with being fixed, the bonnet pressure
Fixed between circle and valve body by nut stud, the bonnet apical lateral is provided with support, and cantilever tip, which is provided with, pneumatically to be held
Row mechanism, thin-film heads and push rod is provided with pneumatic actuator, the bonnet top is provided with gland, the filler pressure
Caping end is provided with hold-down grid, is fixed between hold-down grid and bonnet by nut stud, the valve rod sequentially pass through bonnet,
Gland and hold-down grid, are filled with filler between the valve rod and bonnet, filler bottom is provided with filler pad, the valve
Bar top is connected by the push rod of fixture block and pneumatic actuator.
Preferably, it is provided with cushion pad between the valve core head and valve core rod.
Preferably, pad is provided between the valve body and trim ring, the valve body and the junction on valve seat top are provided with
Pad, the junction of the bonnet and valve body are provided with pad.
Preferably, the filler is provided with three layers altogether, and spacer is provided between adjacent filler.
Preferably, the valve body is lined with ceramic layer.
Preferably, fixed between the support and bonnet by support nut.
Compared with prior art, the beneficial effects of the utility model are：The utility model valve body can ensure to be connected with pipeline,
Accept trim and upper lid position is fixed, the material such as lined ceramicses, strengthen wear-resisting, corrosion-resistant, flushing resistance；Valve element is adjustable
Save fluid flow；Upper lid is combined with valve body ensures that medium does not leak outside in valve；Valve core housing can fixed spool movement locus；Filler can
Sealed valve stem medium is played not leak outside；It is high temperature resistant, high rigidity, impact resistance, corrosion-resistant.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, the utility model provides a kind of technical scheme：A kind of ceramic bottom valve, including valve body 14, valve body 14
Bottom is provided with valve seat 15, and valve body 14 can ensure to be connected with pipeline, accepts trim and upper lid position is fixed, valve body 14 and valve
Trim ring 16 is provided between seat 15, is fixed between trim ring 16 and valve seat 15 by bolt 24, the top of valve seat 15 is provided with valve core head
13, the top of valve core head 13 is provided with valve core rod 11, and valve core head 13 on the outside of the junction of valve core rod 11 with being provided with valve core housing 22, valve element
Fixed between set 22 and valve core rod 11 by pin 12, valve core housing 22 can fixed spool movement locus；The top of valve core rod 11 is provided with
Valve rod 10, the top of valve body 14 are provided with bonnet 7, and bonnet 7 above the junction of valve body 14 by bonnet trim ring 9 with being fixed, bonnet pressure
Fixed between circle 9 and valve body 14 by nut stud 17, the apical lateral of bonnet 7 is provided with support 3, and the top of support 3 is provided with gas
Executing agency 1 is moved, is provided with thin-film heads and push rod on pneumatic actuator 1, the top of bonnet 7 is provided with gland 5, filler pressure
The top of lid 5 is provided with hold-down grid 18, is fixed between hold-down grid 18 and bonnet 7 by nut stud 17, and valve rod 10 passes through successively
Bonnet 7, gland 5 and hold-down grid 18 are worn, filler 20 is filled between valve rod 10 and bonnet 7, the bottom of filler 20 is provided with
Filler pad 8, the top of valve rod 10 are connected with the push rod of pneumatic actuator 1 by fixture block 2, set between valve core head and valve core rod 11
Cushion pad 23 is equipped with, pad 21 is provided between valve body 14 and trim ring 16, valve body 14 and the junction on the top of valve seat 15 are provided with
Pad 21, the junction of bonnet 7 and valve body 14 are provided with pad 21, and filler 20 is provided with three layers, set between adjacent filler 20 altogether
Spacer 19 is equipped with, valve body 14 is lined with ceramic layer, fixed between support 3 and bonnet 7 by support nut 6.
Operation principle：Locator controls the air conveyed to thin-film heads, pressure by receiving 4~20mA DC current signals
Power increase promotes film, and so as to control the lifting height of push rod, push rod is connected with valve rod 10 with fixture block 2, valve rod 10 and valve core rod 11
Be connected, that is, control the lifting height of valve element, valve element is special profiling, valve using gap between valve element action and valve seat 15 come
Control fluid flow；During no signal, thin-film heads close valve by the pushed down push rod of spring reset.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
- A kind of 1. ceramic bottom valve, it is characterised in that：Including valve body (14), valve body (14) bottom is provided with valve seat (15), Trim ring (16) is provided between the valve body (14) and valve seat (15), passes through bolt between the trim ring (16) and valve seat (15) (24) fixed, valve seat (15) top is provided with valve core head (13), and valve core head (13) top is provided with valve core rod (11), The valve core head (13) on the outside of valve core rod (11) junction with being provided with valve core housing (22), the valve core housing (22) and valve core rod (11) fixed by pin (12) between, valve core rod (11) top is provided with valve rod (10), valve body (14) the top installation There is bonnet (7), the bonnet (7) above valve body (14) junction by bonnet trim ring (9) with fixing, the bonnet trim ring (9) Fixed by nut stud (17) between valve body (14), bonnet (7) apical lateral is provided with support (3), support (3) top End is provided with pneumatic actuator (1), and thin-film heads and push rod, bonnet (7) the top peace are provided with pneumatic actuator (1) Equipped with gland (5), gland (5) top is provided with hold-down grid (18), hold-down grid (18) and bonnet (7) it Between it is fixed by nut stud (17), the valve rod (10) sequentially passes through bonnet (7), gland (5) and hold-down grid (18), Filler (20) is filled between the valve rod (10) and bonnet (7), filler (20) bottom is provided with filler pad (8), the valve Bar (10) top is connected by fixture block (2) with the push rod of pneumatic actuator (1).
- A kind of 2. ceramic bottom valve according to claim 1, it is characterised in that：Between the valve core head and valve core rod (11) It is provided with cushion pad (23).
- A kind of 3. ceramic bottom valve according to claim 1, it is characterised in that：Between the valve body (14) and trim ring (16) Be provided with pad (21), the junction on the valve body (14) and valve seat (15) top is provided with pad (21), the bonnet (7) with The junction of valve body (14) is provided with pad (21).
- A kind of 4. ceramic bottom valve according to claim 1, it is characterised in that：The filler (20) is provided with three layers altogether, Spacer (19) is provided between adjacent filler (20).
- A kind of 5. ceramic bottom valve according to claim 1, it is characterised in that：The valve body (14) is lined with ceramic layer.
- A kind of 6. ceramic bottom valve according to claim 1, it is characterised in that：Lead between the support (3) and bonnet (7) It is fixed to cross support nut (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720893051.0U CN207049338U (en) | 2017-07-21 | 2017-07-21 | Ceramic bottom valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720893051.0U CN207049338U (en) | 2017-07-21 | 2017-07-21 | Ceramic bottom valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207049338U true CN207049338U (en) | 2018-02-27 |
Family
ID=61498018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720893051.0U Active CN207049338U (en) | 2017-07-21 | 2017-07-21 | Ceramic bottom valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207049338U (en) |
-
2017
- 2017-07-21 CN CN201720893051.0U patent/CN207049338U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106151559B (en) | Flat gate valve with valve plate position indicating function | |
| CN101813192B (en) | High-flow adjustable ratio control valve | |
| CN207049338U (en) | Ceramic bottom valve | |
| CN204477318U (en) | Super large-scale high-performance balance cage type regulating valve | |
| CN203442151U (en) | Automatic compensation sleeve double-seat valve | |
| CN202074071U (en) | Nuclear-power straight-through diaphragm valve | |
| CN203963075U (en) | A kind of complex spring connects Wedge type double gate board gate valve | |
| CN206874954U (en) | Bellows regulating valve | |
| CN202381973U (en) | High-temperature high-pressure-steam hydrophobic valve | |
| CN202431990U (en) | Pneumatic hard seal quick switching valve | |
| CN206495933U (en) | Guiding mechanism inside a kind of damper | |
| CN105318025A (en) | Double-disc wedge gate valve adopting composite spring connection | |
| CN203906809U (en) | Novel single seated valve switched off precisely | |
| CN208793776U (en) | A kind of natural gas line tabular form switch valve | |
| CN209213051U (en) | A kind of regulating valve of high pressure resistant difference | |
| CN202109023U (en) | Nuclear power direct type diaphragm valve | |
| CN204739226U (en) | Novel pressure indicator type valve | |
| CN201057278Y (en) | Single seat regulating valve | |
| CN204704402U (en) | A kind of double-sealing low leakage low noise sound cage valve | |
| CN104879512A (en) | Novel pressure meter needle valve | |
| CN204852390U (en) | Novel fused salt dedicated valve | |
| CN204284460U (en) | Compensation sealing reduction valve | |
| CN201779283U (en) | Elastic metal hard sealing single-seat control valve | |
| CN205001545U (en) | Gate valve | |
| CN110131442A (en) | A kind of three-way control valve structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |