CN205278496U - Pottery valve case - Google Patents
Pottery valve case Download PDFInfo
- Publication number
- CN205278496U CN205278496U CN201521062424.7U CN201521062424U CN205278496U CN 205278496 U CN205278496 U CN 205278496U CN 201521062424 U CN201521062424 U CN 201521062424U CN 205278496 U CN205278496 U CN 205278496U
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- main casing
- connecting tube
- ceramic
- casing
- housing parts
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- Sliding Valves (AREA)
Abstract
This patent belongs to ceramic valve field, and including the main casing body, main casing body both sides all are equipped with the branch casing, and the main casing is personally experienced sth. Part of the body and is divided the casing to be ceramic casing, main casing body both sides tip all is equipped with the connecting pipe, and the connecting pipe be the iron pipe, and the one end of connecting pipe inlays that to locate the main casing internal, and connecting pipe and main casing physically communicate with each other, the one end of dividing the casing to be close to the main casing body is equipped with the connecting cylinder, and the connecting cylinder be the work durm, in the connecting cylinder inlays and locates the branch casing, and the one end of connecting cylinder with divide the casing to be close to the one end that the main casing personally experienced sth. Part of the body to flush, the one end that the connecting cylinder is close to the main casing body is equipped with annular recess, the one end that the main casing body was kept away from to the connecting pipe is located in the recess, and the interior rampart screw -thread fit of connecting pipe and recess, the ceramic layer be equipped with between the outer rampart of connecting pipe and recess, the both ends of the main casing body offset with two branch casings respectively, and the main casing body is equipped with the ceramic joining body with a minute casing counterbalance department. The pottery valve case's that this patent provided forming die is simple, and the processing cost is low, and this pottery valve case inside does not have the hole moreover, and intensity is high, the leakproofness is good.
Description
Technical field
This utility model belongs to ceramic valve field, is specifically related to a kind of ceramic valve housing.
Background technology
Ceramic valve refers to the valve of ceramic material, it is for now widely used metal valve, there is the performances such as high tenacity, high intensity, high rigidity, high-wearing feature and highly corrosion resistant, and the features such as the surface smoothness (Ra is up to 0.01um) that also self lubricity is good, pyroconductivity is low, fabulous, life-span can reach more than 10 times of common metal valve, and cost performance is high, therefore, in recent years, the application of ceramic valve is more and more extensive.
The same with metal valve, ceramic valve also includes spool, valve rod, valve seat and housing, its middle shell in order to coordinate with spool, valve rod, valve seat, and with the connection of other pipelines, its shape is typically more complicated, and inside can arrange more hole, groove or projection. But, existing ceramic valve housing is all form with ceramic size one slip casting, sintering, but when adopting this kind of mode to produce ceramic valve, its mould is complex, and processing cost is high; And, in the process of slip casting, because slurry stream is not smooth, its internal poles likely causes that some places cannot fill slurry, thus causing that the ceramic valve enclosure interior eventually formed exists some holes, affect intensity and the sealing of ceramic valve housing.
Utility model content
This utility model is intended to provide a kind of ceramic valve housing, and the mould of this ceramic valve housing is simple, and processing cost is low, and this ceramic valve enclosure interior does not have hole, and intensity is high, good airproof performance.
Ceramic valve housing in this programme, including main casing, main casing both sides are equipped with housing parts, main casing and housing parts and are ceramic shell; Main casing both side ends is equipped with connecting tube, and connecting tube is iron pipe, and one end of connecting tube is embedded in main casing, and connecting tube communicates with main casing; Described housing parts is provided with connecting cylinder near one end of main casing, and connecting cylinder is work durm, and connecting cylinder is embedded in housing parts, and one end of connecting cylinder flushes near one end of main casing with housing parts; Connecting cylinder is provided with the groove of annular near one end of main casing, and described connecting tube is positioned at described groove and the internal ring wall threaded engagement of connecting tube and groove away from one end of main casing, is provided with ceramic layer between connecting tube and the external annulus of groove; The two ends of described main casing offset with two housing parts respectively, and main casing and the housing parts place of offseting are provided with ceramic joining body.
Adopting the ceramic valve housing in this programme, including main casing, main casing both sides are equipped with housing parts, and main casing mainly coordinates with valve rod, spool, and two housing parts mainly coordinate with valve seat, and are attached coordinating with other pipelines. Three shell combination just form a complete ceramic valve housing together, and namely whole ceramic valve housing is divided into three sections to carry out injection forming respectively, the respective mould of three for integrated mould, simple in construction, processing cost is low; Being additionally, since mould relatively simple, therefore, slurry circulates smooth and easy after being injected in mould, it is to avoid the enclosure interior of last sinter molding forms hole, it is ensured that the intensity of ceramic valve housing and sealing.
Main casing both side ends is equipped with connecting tube, housing parts is provided with connecting cylinder near one end of main casing, the end of connecting cylinder is provided with the internal ring wall threaded engagement of the groove that can hold connecting tube end, connecting tube and groove, thus when merging sintering after main casing and two housing parts molding respectively, three can realize a preliminary connection, it is easy to last sinter molding, and when carrying after pasting before sintering, can avoid rupturing from junction between the two, break into pieces, cause waste. The internal ring wall of groove refers to the annular groove sidewall near the center of circle herein, the external annulus of groove refers to the annular groove sidewall away from the center of circle, connecting tube and internal ring wall threaded engagement but not with external annulus threaded engagement, it is fit tightly for the ease of connecting tube and internal ring wall, leave no gaps, and ceramic size enters between connecting tube and external annulus, fill the gap between connecting tube and external annulus, it is ensured that the intensity of connecting tube and connecting cylinder junction. Being provided with ceramic layer between connecting tube and the external annulus of groove, this ceramic layer is the ceramic size molding entered between connecting tube and external annulus and obtains.
The two ends of main casing offset with two housing parts respectively, and main casing and the housing parts place of offseting are provided with ceramic joining body. Ceramic joining body is before three is merged sintering, and in the connector of the adjacent slurry sinter molding smeared between the two, it achieves main casing and the final connection of two housing parts so that three forms one.
The following is the preferred version based on such scheme:
Preferred version one: the tube wall of described connecting tube is provided with multiple through hole. Multiple through holes be easy to ceramic joining body formed before slurry stream to connecting tube inwall, it is achieved in connecting tube, main casing and two housing parts offset finally the connecting of place, it is ensured that the intensity of the ceramic valve housing eventually formed.
Preferred version two: based on preferred version one, the width of described groove is equal to the pipe thickness of connecting tube. Thus the outer wall of connecting tube can with the groove sidewall contact away from annular side, the center of circle, it is to avoid leave space between recess sidewall and connecting tube sidewall, it is ensured that the intensity of the ceramic valve housing eventually formed.
Preferred version three: based on preferred version two, described connecting tube offsets away from one end of main casing and the bottom of groove. Space is left between main casing end and bottom portion of groove, it is ensured that the intensity of the ceramic valve housing eventually formed thus avoiding.
Preferred version four: based on preferred version three, the degree of depth of described groove is 2-3cm. If groove is excessively deep, the space that connecting cylinder occupies within housing parts is excessive, and the intensity of housing parts is more weak; If groove is excessively shallow, the preliminary bonding strength between main casing and two housing parts is more weak again.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment ceramic valve housing;
Fig. 2 is the enlarged drawing at A place in Fig. 1.
Detailed description of the invention
Below by detailed description of the invention, this utility model is described in further detail:
Accompanying drawing labelling in Figure of description includes: housing parts 1, connecting cylinder 2, groove 3, connecting tube 4, through hole 5, ceramic joining body 6, main casing 7.
As shown in Figure 1 and Figure 2, ceramic valve housing, including main casing 7, main casing 7 both sides are equipped with housing parts 1, main casing 7 and housing parts 1 and are ceramic shell; Main casing 7 both side ends is equipped with connecting tube 4, and connecting tube 4 is iron pipe, and the tube wall of connecting tube 4 is evenly equipped with multiple through hole 5, and one end of connecting tube 4 is embedded in main casing 7, and connecting tube 4 communicates with main casing 7; Housing parts 1 is provided with connecting cylinder 2 near one end of main casing 7, and connecting cylinder 2 is work durm, and the length of connecting cylinder 2 is 4cm, and connecting cylinder 2 is embedded in housing parts 1, and one end of connecting cylinder 2 flushes near one end of main casing 7 with housing parts 1; Connecting cylinder 2 is provided with the groove 3 of annular near one end of main casing 7, the degree of depth of groove 3 is 3cm, the width of groove 3 is equal to the pipe thickness of connecting tube 4, connecting tube 4 is positioned at groove 3 away from one end of main casing 7, and with groove 3 bottom offset, connecting tube 4 and the internal ring wall threaded engagement of groove 3, be provided with ceramic layer between the external annulus of connecting tube 4 and groove 3; The two ends of main casing 7 offset with two housing parts 1 respectively, and main casing 7 is provided with ceramic joining body 6 with housing parts 1 place of offseting.
In specific implementation process, by main casing 7 molding together with two connecting tubes 4, by housing parts 1 molding together with connecting cylinder 2, two housing parts 1 are connected to respectively through the threaded engagement of connecting tube 4 and connecting cylinder 2 two ends of main casing 7 again, the two ends making main casing 7 offset with two housing parts 1 respectively, ceramic size is spread in the place's of offseting painting in main casing 7 and housing parts 1, after sizing material forming, the main casing 7 linked together and two housing parts 1 are together fed through in kiln and are sintered, slurry is sintered into ceramic joining body 6, realize main casing 7 and the final connection of two housing parts 1, form a complete ceramic valve housing.
It should be noted that, the sintering temperature of pottery is generally 800-1000 DEG C, and the fusing point of ferrum is 1535 DEG C, therefore, connecting tube 4 and connecting cylinder 2 in this utility model are respectively adopted iron pipe and work durm, can ensure that three also can be played the effect of connection by main casing 7 and two housing parts 1 in last merging sinter molding, it is to avoid three separately cannot molding in the process of sintering.
For a person skilled in the art; under the premise without departing from this utility model structure; can also making some deformation and improvement, these also should be considered as protection domain of the present utility model, and these are all without affecting effect and the practical applicability that this utility model is implemented.
Claims (5)
1. ceramic valve housing, it is characterised in that: including main casing, main casing both sides are equipped with housing parts, main casing and housing parts and are ceramic shell; Main casing both side ends is equipped with connecting tube, and connecting tube is iron pipe, and one end of connecting tube is embedded in main casing, and connecting tube communicates with main casing; Described housing parts is provided with connecting cylinder near one end of main casing, and connecting cylinder is work durm, and connecting cylinder is embedded in housing parts, and one end of connecting cylinder flushes near one end of main casing with housing parts; Connecting cylinder is provided with the groove of annular near one end of main casing, and described connecting tube is positioned at described groove and the internal ring wall threaded engagement of connecting tube and groove away from one end of main casing, is provided with ceramic layer between connecting tube and the external annulus of groove; The two ends of described main casing offset with two housing parts respectively, and main casing and the housing parts place of offseting are provided with ceramic joining body.
2. ceramic valve housing according to claim 1, it is characterised in that: the tube wall of described connecting tube is provided with multiple through hole.
3. ceramic valve housing according to claim 2, it is characterised in that: the width of described groove is equal to the pipe thickness of connecting tube.
4. ceramic valve housing according to claim 3, it is characterised in that: described connecting tube offsets away from one end of main casing and the bottom of groove.
5. ceramic valve housing according to claim 4, it is characterised in that: the degree of depth of described groove is 2-3cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521062424.7U CN205278496U (en) | 2015-12-20 | 2015-12-20 | Pottery valve case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521062424.7U CN205278496U (en) | 2015-12-20 | 2015-12-20 | Pottery valve case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205278496U true CN205278496U (en) | 2016-06-01 |
Family
ID=56063074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521062424.7U Active CN205278496U (en) | 2015-12-20 | 2015-12-20 | Pottery valve case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205278496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422946A (en) * | 2015-12-20 | 2016-03-23 | 重庆市万通仪器仪表有限公司 | Ceramic valve housing |
-
2015
- 2015-12-20 CN CN201521062424.7U patent/CN205278496U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422946A (en) * | 2015-12-20 | 2016-03-23 | 重庆市万通仪器仪表有限公司 | Ceramic valve housing |
| CN105422946B (en) * | 2015-12-20 | 2017-11-03 | 重庆市万通仪器仪表有限公司 | Ceramic valve chest |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |