CN205504021U - Take high temperature governing valve of wear -resisting graphite guide ring - Google Patents
Take high temperature governing valve of wear -resisting graphite guide ring Download PDFInfo
- Publication number
- CN205504021U CN205504021U CN201620281890.2U CN201620281890U CN205504021U CN 205504021 U CN205504021 U CN 205504021U CN 201620281890 U CN201620281890 U CN 201620281890U CN 205504021 U CN205504021 U CN 205504021U
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- Prior art keywords
- valve
- wear
- sleeve
- resisting
- graphite annulus
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Abstract
The utility model discloses a take high temperature governing valve of wear -resisting graphite guide ring, including valve body, valve gap, disk seat, sleeve, case and valve rod, disk seat and sleeve are compressed tightly by the valve gap and fix in the valve pocket of valve body, the case activity sets up downtheholely in telescopic, and the case is connected with the valve rod lower extreme, the case upper end is provided with the balancing hole, the valve gap setting is stretched out to the valve rod upper end, the sleeve includes sleeve and lower sleeve, be provided with wear -resisting graphite annulus between case and the last sleeve, upward be provided with the graphite annulus mounting groove on the sleeve internal face, wear -resisting graphite annulus is installed in the graphite annulus mounting groove, lower sleeve upper end edge is provided with the location breach, it cup joints on the breach of location to go up the sleeve lower extreme, and the lower sleeve up end withstands terminal surface under the wear -resisting graphite annulus, the case side is connected with wear -resisting graphite annulus internal face. Above -mentioned technical scheme, structural design is reasonable, simple structure, processing are convenient, and can guarantee well to seal effect and sealing reliability under high temperature high pressure condition.
Description
Technical field
This utility model relates to regulating valve technology field, is specifically related to a kind of high temperature adjustable valve with wear-resisting graphite guide rings.
Background technology
The most existing high temperature adjustable valve great majority all select sleeve regulating valve of two-seater, this structure is to process two seal receptacles on spool and sleeve to realize sealing, this sealing structure must assure that the processing dimension between two sealing surfaces accurately can be only achieved good sealing effectiveness, by sleeve and spool as guiding, under worst hot case, material easily expands, when sleeve and spool fit clearance are too small, valve is easily stuck, and fit clearance big time trim easily shake the fracture causing valve rod, so this seal form makes product leakage amount increase, when processing coordinates, precision prescribed is the highest, difficulty of processing is bigger, increase production cost.
Summary of the invention
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of reasonable in design, simple in construction, easy to process and can guarantee that the high temperature adjustable valve with wear-resisting graphite guide rings of excellent sealing effect and sealing reliability under high-temperature and high-pressure conditions.
nullFor achieving the above object，This utility model provides following technical scheme: a kind of high temperature adjustable valve with wear-resisting graphite guide rings，Including valve body、Valve gap、Valve seat、Sleeve、Spool and valve rod，Described valve seat and sleeve are pressed abd fixed in the valve pocket of valve body by valve gap，Described spool is movably arranged in the endoporus of sleeve，And spool is connected with valve rod lower end，Spool upper end is provided with balance pipe，Valve rod upper end is stretched out valve gap and is arranged，Described sleeve includes upper bush and lower sleeve，Wear-resisting graphite annulus it is provided with between spool and upper bush，And it is provided with graphite annulus mounting groove on described upper bush internal face，Described wear-resisting graphite annulus is arranged in graphite annulus mounting groove，Described lower sleeve upper end-face edge is provided with locating notch，Described upper bush lower end is socketed on locating notch，And lower sleeve upper surface withstands wear-resisting graphite annulus lower surface，Described spool side is connected with wear-resisting graphite annulus internal face.
By using technique scheme, use wear-resisting graphite annulus as guiding, owing to graphite self-lubricating is good, can be high temperature resistant, contact the phenomenon not havinging jam through high temperature back valve core with wear-resisting graphite annulus, can guarantee that valve opening and closing reliable operation；Reasonable in design, simple in construction, easy to process and under high-temperature and high-pressure conditions, can guarantee that excellent sealing effect and sealing reliability, also solve the difficult problem that machining accuracy that existing structure produces because of metal sealing is high simultaneously, greatly reduce production cost.
This utility model is further arranged to: described wear-resisting graphite annulus is made up of rustless steel reinforcement and graphite material, and the thickness of wear-resisting graphite annulus is 2-12mm.By this setting, wear-resisting graphite annulus structure arranges rationally, and sturdy and durable, service life is long.
This utility model is further arranged to: be provided with spirotallic gasket between described upper bush upper surface and valve gap lower surface, and the thickness of described spirotallic gasket is 3-6mm.By this setting, spirotallic gasket arranges rationally so that good seal performance between upper bush and valve gap.
This utility model is further arranged to: be wholely set positioning convex ring on the endoporus internal face of described valve gap, described positioning convex ring upper surface is disposed with filler spacer, soft graphite and gland from bottom to up, and described filler spacer and gland are all socketed on valve rod.By this setting, structure arranges more reasonable, is convenient to mount and dismount, easy to maintenance.
This utility model is further arranged to: be provided with several screws on described valve body upper surface, it is directed at screwhole position on described valve gap and is all vertically arranged with a connecting hole, all being equipped with a bolt in each connecting hole, described valve gap is connected fixing by bolt with valve body.By this setting, structure arranges more reasonable, is convenient to mount and dismount, easy to maintenance.
The utility model has the advantages that: compared with prior art, it is more reasonable that this utility model structure is arranged, use wear-resisting graphite annulus as guiding, owing to graphite self-lubricating is good, can be high temperature resistant, contact the phenomenon not havinging jam through high temperature back valve core with wear-resisting graphite annulus, can guarantee that valve opening and closing reliable operation；Simple in construction, easy to process and under high-temperature and high-pressure conditions, can guarantee that excellent sealing effect and sealing reliability, also solve the difficult problem that machining accuracy that existing structure produces because of metal sealing is high simultaneously, greatly reduce production cost.
Below in conjunction with Figure of description and specific embodiment, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment；
Fig. 2 is the enlarged diagram in I portion in Fig. 1.
Detailed description of the invention
nullSee Fig. 1 and Fig. 2，A kind of high temperature adjustable valve with wear-resisting graphite guide rings disclosed in this utility model，Including valve body 1、Valve gap 2、Valve seat 3、Sleeve、Spool 4 and valve rod 5，Described valve seat 3 and sleeve are pressed abd fixed in the valve pocket of valve body 1 by valve gap 2，Described spool 4 is movably arranged in the endoporus of sleeve，And spool 4 is connected with valve rod 5 lower end，Spool 4 upper end is provided with balance pipe 41，Valve rod 5 upper end is stretched out valve gap 2 and is arranged，Described sleeve includes upper bush 6 and lower sleeve 7，Wear-resisting graphite annulus 8 it is provided with between spool 4 and upper bush 6，And it is provided with graphite annulus mounting groove 61 on described upper bush 6 internal face，Described wear-resisting graphite annulus 8 is arranged in graphite annulus mounting groove 61，Described lower sleeve 7 upper end-face edge is provided with locating notch 71，Described upper bush 6 lower end is socketed on locating notch 71，And lower sleeve 7 upper surface withstands wear-resisting graphite annulus 8 lower surface，Described spool 4 side is connected with wear-resisting graphite annulus 8 internal face.
As preferably, valve rod 5 lower end described in the present embodiment is locked with spool 4 by existing nut after the connecting hole of spool 4, and spool 4 lower end is tightly connected with valve seat 3.
For making this utility model structure more reasonable, as preferably, described in the present embodiment, wear-resisting graphite annulus 8 is made up of rustless steel reinforcement and graphite material, and the thickness of wear-resisting graphite annulus 8 is 2-12mm.
Being provided with spirotallic gasket 9 between described upper bush 6 upper surface and valve gap 2 lower surface, the thickness of described spirotallic gasket 9 is 3-6mm.Spirotallic gasket 9 described in the present embodiment is existing product on market.
It has been wholely set positioning convex ring 21 on the endoporus internal face of described valve gap 2, described positioning convex ring 21 upper surface is disposed with filler spacer 10, soft graphite 11 and gland 12 from bottom to up, and described filler spacer 10 and gland 12 are all socketed on valve rod 5.
Being provided with several screws 13 on described valve body 1 upper surface, described valve gap 2 is directed at screwhole position and is all vertically arranged with a connecting hole 22, be all equipped with a bolt 14 in each connecting hole 22, described valve gap 2 is connected fixing by bolt 14 with valve body 1.
During actual application, use wear-resisting graphite annulus as guiding, owing to graphite self-lubricating is good, can be high temperature resistant, contact the phenomenon not havinging jam through high temperature back valve core with wear-resisting graphite annulus, can guarantee that valve opening and closing reliable operation；Simple in construction, easy to process and under high-temperature and high-pressure conditions, can guarantee that excellent sealing effect and sealing reliability, also solve the difficult problem that machining accuracy that existing structure produces because of metal sealing is high simultaneously, greatly reduce production cost.
Above-described embodiment is to specific descriptions of the present utility model; it is served only for this utility model is further described; it is not intended that the restriction to this utility model protection domain, this utility model is made some nonessential improvement according to the content of above-mentioned utility model and within adjustment each falls within protection domain of the present utility model by the technician of this area.
Claims (5)
- null1. the high temperature adjustable valve with wear-resisting graphite guide rings，Including valve body (1)、Valve gap (2)、Valve seat (3)、Sleeve、Spool (4) and valve rod (5)，Described valve seat (3) and sleeve are pressed abd fixed in the valve pocket of valve body (1) by valve gap (2)，Described spool (4) is movably arranged in the endoporus of sleeve，And spool (4) is connected with valve rod (5) lower end，Spool (4) upper end is provided with balance pipe (41)，Valve rod (5) upper end is stretched out valve gap (2) and is arranged，It is characterized in that: described sleeve includes upper bush (6) and lower sleeve (7)，Wear-resisting graphite annulus (8) it is provided with between spool (4) and upper bush (6)，And it is provided with graphite annulus mounting groove (61) on described upper bush (6) internal face，Described wear-resisting graphite annulus (8) is arranged in graphite annulus mounting groove (61)，Described lower sleeve (7) upper end-face edge is provided with locating notch (71)，Described upper bush (6) lower end is socketed on locating notch (71)，And lower sleeve (7) upper surface withstands wear-resisting graphite annulus (8) lower surface，Described spool (4) side is connected with wear-resisting graphite annulus (8) internal face.
- A kind of high temperature adjustable valve with wear-resisting graphite guide rings the most according to claim 1, it is characterised in that: described wear-resisting graphite annulus (8) is made up of rustless steel reinforcement and graphite material, and the thickness of wear-resisting graphite annulus (8) is 2-12mm.
- A kind of high temperature adjustable valve with wear-resisting graphite guide rings the most according to claim 2, it is characterized in that: be provided with spirotallic gasket (9) between described upper bush (6) upper surface and valve gap (2) lower surface, the thickness of described spirotallic gasket (9) is 3-6mm.
- A kind of high temperature adjustable valve with wear-resisting graphite guide rings the most according to claim 3, it is characterized in that: on the endoporus internal face of described valve gap (2), be wholely set positioning convex ring (21), described positioning convex ring (21) upper surface is disposed with filler spacer (10), soft graphite (11) and gland (12) from bottom to up, and described filler spacer (10) and gland (12) are all socketed on valve rod (5).
- A kind of high temperature adjustable valve with wear-resisting graphite guide rings the most according to claim 4, it is characterized in that: on described valve body (1) upper surface, be provided with several screws (13), described valve gap (2) upper alignment screwhole position is all vertically arranged with a connecting hole (22), all being equipped with a bolt (14) in each connecting hole (22), described valve gap (2) is connected fixing by bolt (14) with valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620281890.2U CN205504021U (en) | 2016-04-07 | 2016-04-07 | Take high temperature governing valve of wear -resisting graphite guide ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620281890.2U CN205504021U (en) | 2016-04-07 | 2016-04-07 | Take high temperature governing valve of wear -resisting graphite guide ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205504021U true CN205504021U (en) | 2016-08-24 |
Family
ID=56736900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620281890.2U Expired - Fee Related CN205504021U (en) | 2016-04-07 | 2016-04-07 | Take high temperature governing valve of wear -resisting graphite guide ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205504021U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654678A (en) * | 2017-11-03 | 2018-02-02 | 无锡斯考尔自动控制设备有限公司 | A kind of high-temperature molten salt regulating valve with self-cleaning function |
| CN111396580A (en) * | 2019-08-29 | 2020-07-10 | 浙江中控技术股份有限公司 | Double-guide high-temperature molten salt regulating valve |
-
2016
- 2016-04-07 CN CN201620281890.2U patent/CN205504021U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654678A (en) * | 2017-11-03 | 2018-02-02 | 无锡斯考尔自动控制设备有限公司 | A kind of high-temperature molten salt regulating valve with self-cleaning function |
| CN111396580A (en) * | 2019-08-29 | 2020-07-10 | 浙江中控技术股份有限公司 | Double-guide high-temperature molten salt regulating valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20210407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |