CN205654936U - Dredging pipe valve - Google Patents
Dredging pipe valve Download PDFInfo
- Publication number
- CN205654936U CN205654936U CN201620490902.2U CN201620490902U CN205654936U CN 205654936 U CN205654936 U CN 205654936U CN 201620490902 U CN201620490902 U CN 201620490902U CN 205654936 U CN205654936 U CN 205654936U
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- Prior art keywords
- valve body
- valve
- filler seat
- connector
- filler
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- Expired - Fee Related
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Abstract
The utility model relates to a dredging pipe valve belongs to valve technical field. A dredging pipe valve including valve body, disk seat, case, upper valve rod, lower valve rod and filler device, is equipped with the valve pocket in the valve body, disk seat and case assemble in the valve pocket, and case bottom support is on the lower valve rod, and the case top is connected with the upper valve rod, disk seat and the sealed cooperation of case, and upper valve rod and the sealed cooperation of filler device, the valve body includes middle valve body, and the connector is installed at middle valve body both ends, is equipped with the grafting end on the connector to and be located the flange at grafting end rear, and the grafting end cartridge of connector is in middle valve body, and middle valve body and flange joint, middle valve body both ends hole are equipped with the internal thread, be equipped with the external screw thread on the grafting end of connector, the internal thread and the external screw thread of middle valve body close soon. The utility model discloses a valve body three -section structure design has each some convenient assembling, firm, reliable, advantage that the leakproofness is good.
Description
Technical field
This utility model relates to a kind of pipe cleaning valve, for pipeline being constructed, cleaning, maintenance, the special equipment that detects and manage, belong to valve technology field.
Background technology
Pipe cleaning valve is that one is launched as wiper (spherical pig, leather cup wiper, foam pig etc.) or receives the novel of deviceValve, it also has general two formulas simultaneously and blocksBall valveFunction.It is widely used in the long-distance transport pipes such as water, oil, natural gas, it is pipeline is constructed, to clean, maintenance, detect and manage requisite special equipment, use pipe cleaning valve also to coordinate corresponding wiper, can more easily control complete in duct cleaning, emptying, lattice and the sequentially work such as pumped (conveying) medium.
" a kind of novel pipe cleaning valve " (authorizing publication number: CN 203868395 U) as disclosed in patent documentation that China Patent No. is 201420309261.7, its valve body uses three stage structure design, including center valve body and two ends connector, center valve body uses simple Flange joint with connector, there is connection reliability and the defect of sealing difference.
Summary of the invention
The present utility model purpose: for the defect overcoming prior art to exist, this utility model provides a kind of valve body three stage structure design, and each several part is easy to assembly, firm, reliable, the pipe cleaning valve of good airproof performance.
For achieving the above object, this utility model provides following technical scheme:
A kind of pipe cleaning valve, include valve body, valve seat, spool, upper valve rod, lower valve rod and filler device, valve pocket it is provided with in valve body, valve seat and spool are assemblied in valve pocket, spool bottom supporting is on lower valve rod, spool top is connected with upper valve rod, valve seat coordinates with seal spool, upper valve rod seals with filler device and coordinates, described valve body includes center valve body, center valve body two ends are provided with connector, connector is provided with grafting termination, and it is positioned at the flange at rear, grafting termination, the grafting termination of connector is plugged in center valve body, center valve body and Flange joint, it is characterized in that: described center valve body two ends endoporus is provided with female thread, the grafting termination of described connector is provided with external screw thread, the female thread of center valve body screws with external screw thread.
By using technique scheme, valve body uses three stage structure design, and except traditional Flange joint locking between center valve body and connector, when assembling, center valve body uses threaded engagement with connector, realizing pre-aligned fixing, center valve body is solid and reliable with connector assembling；And threaded engagement improves the sealing effectiveness after center valve body is connected with connector.
Preferably, the grafting termination of described connector also has the axially-extending portion being positioned at external screw thread front, axially-extending portion is provided with ring packing ring recess, radially valve seals it is provided with in ring packing ring recess, radially valve seals seals with center valve body and coordinates, and is provided with valve body axial sealing ring between axial end portion and the flange of described center valve body.
By using above-mentioned further scheme, all using sealing ring to seal at screw thread two ends between connector and center valve body, and be the sealing of both direction axially and radially, sealing is reliably.
Preferably, being provided with intermediate annular seal groove between described center valve body and connector, intermediate annular seal groove is between ring packing ring recess and external screw thread.
By using above-mentioned further technical scheme, intermediate annular seal groove improves the sealing effectiveness between center valve body and connector.
Preferably, the external diameter of described axially-extending portion is less than the external thread section external diameter of grafting termination, there is between axially-extending portion and external thread section First terrace, it is provided with diameter holes inside the internal thread hole of described center valve body, internal thread hole is provided with technique groove towards diameter holes one end, diameter holes and axially-extending portion corresponding matching, second step face is formed between internal thread hole and the diameter holes of center valve body, First terrace and interval, second step face form interval trough, and interval trough combination corresponding with technology groove constitutes described intermediate annular seal groove.
By using above-mentioned further technical scheme, due to the existence of step, external screw thread on grafting termination is facilitated to be processed to form, and internal thread machining on center valve body, and self-assembling formation intermediate annular seal groove, simple in construction.
Preferably, described filler device includes filler seat and gland, upper valve rod is plugged in filler seat, it is provided with airtight and watertight padding between filler seat and upper valve rod, center valve body top is provided with the filler seat installing hole for filler seat plug-in mounting, axially extending path plug-in mounting termination, described filler seat bottom portion, path plug-in mounting termination external diameter is less than the external diameter of filler seat, and described filler seat, gland are locked on center valve body through clamping screw.
By using above-mentioned further technical scheme, filler seat uses plug-in assembling, it is securely fitted on valve body through clamping screw, filler seat is assemblied on valve body so that accessory form is fixing, easy to process, the path plug-in mounting termination of filler seat is plugged in filler seat installing hole and realizes location, solid and reliable after facilitating the assembling of filler seat, and assembling.
Preferably, described path plug-in mounting termination periphery wall is provided with filler seat seal groove, in ring packing ring recess, radial direction seal ring is installed, the path plug-in mounting termination of filler seat is plugged in filler seat installing hole, seal through radial direction seal ring between path plug-in mounting termination and the filler seat installing hole of filler seat, it is provided with axial seal ring recess around filler seat installing hole on described center valve body, the axial sealing ring coordinated with filler seat end seal is installed in axial seal ring recess.
By using above-mentioned further technical scheme, realize between filler seat and center valve body axially, radially two way seal, there is the reliable advantage of sealing.
Below in conjunction with the accompanying drawings this utility model is further described.
Accompanying drawing explanation
Fig. 1 is this utility model specific embodiment structural representation；
Fig. 2 is the sectional view of line A-A cutting along Fig. 1；
Fig. 3 is this utility model specific embodiment center valve body structural representation；
Fig. 4 is this utility model specific embodiment connector structural representation.
Detailed description of the invention
nullSee accompanying drawing 1 to accompanying drawing 4，A kind of pipe cleaning valve disclosed in this utility model，Include valve body 1、Valve seat 2、Spool 3、Upper valve rod 4、Lower valve rod 5 and filler device 6，It is provided with valve pocket in valve body 1，Valve seat 2 and spool 3 are assemblied in valve pocket，Spool 3 bottom supporting is on lower valve rod 5，Spool 3 top is connected with upper valve rod 4，Valve seat 2 seals with spool 3 and coordinates，Upper valve rod 4 seals with filler device 6 and coordinates，Described valve body 1 includes center valve body 11，Center valve body 11 two ends are provided with connector 12，Connector 12 is provided with grafting termination 121，And it is positioned at the flange 122 at rear, grafting termination 121，The grafting termination 121 of connector 12 is plugged in center valve body 11，Center valve body 11 is connected with flange 122，Described center valve body 11 two ends endoporus is provided with female thread 111，The grafting termination 121 of described connector 12 is provided with external screw thread 1211，The female thread 111 of center valve body 11 screws with external screw thread 1211.Valve body uses three stage structure design, and except traditional Flange joint locking between center valve body and connector, when assembling, center valve body uses threaded engagement with connector, it is achieved pre-aligned fixing, and center valve body is solid and reliable with connector assembling；And threaded engagement improves the sealing effectiveness after center valve body is connected with connector.
For improving the installation reliability between center valve body and connector, the grafting termination 121 of described connector 12 also has the axially-extending portion being positioned at external screw thread 1211 front, axially-extending portion is provided with ring packing ring recess 1212, radially valve seals 123 it is provided with in ring packing ring recess 1212, radially valve seals 123 seals with center valve body 11 and coordinates, and is provided with valve body axial sealing ring 124 between axial end portion and the flange 122 of described center valve body 11.All use sealing ring to seal at threaded engagement two ends between connector and center valve body, and be the sealing of both direction axially and radially, seal reliable.Setting intermediate annular seal groove 125 between described center valve body 11 and connector 12, intermediate annular seal groove 125 is between ring packing ring recess 1212 and external screw thread 1211.Wherein, the external diameter of described axially-extending portion is less than 1211 sections of external diameters of external screw thread of grafting termination 121, between axially-extending portion and external screw thread 1211 sections, there is First terrace 1213, it is provided with diameter holes 112 inside the internal thread hole 111 of described center valve body 11, internal thread hole 111 is provided with technique groove 113 towards diameter holes 112 one end, diameter holes 112 and axially-extending portion corresponding matching, second step face 114 is formed between internal thread hole 111 and the diameter holes 112 of center valve body 11, First terrace 1213 and interval, second step face 114 form interval trough, interval trough combination corresponding with technology groove constitutes described intermediate annular seal groove 125.Due to the existence of step, external screw thread on grafting termination is facilitated to be processed to form, and internal thread machining on center valve body, and self-assembling formation intermediate annular seal groove, simple in construction.Certainly also directly can offer groove on center valve body or connector forms described intermediate annular seal groove.
The filler seat of traditional filler device uses and center valve body Integral design, makes troubles to processing, for ease of the processing of valve.This utility model uses following design: described filler device 6 includes filler seat 61 and gland 62, upper valve rod 4 is plugged in filler seat 61, it is provided with airtight and watertight padding between filler seat 61 and upper valve rod 4, center valve body 11 top is provided with the filler seat installing hole 115 for filler seat 61 plug-in mounting, axially extending path plug-in mounting termination 611 bottom described filler seat 61, path plug-in mounting termination 611 external diameter is less than the external diameter of filler seat 61, described center valve body 11 is provided with screwed hole 116, filler seat 61 is provided with the bolt hole corresponding with screwed hole position, gland 62 is provided with the assembling through hole corresponding with bolt hole position, described filler seat 61, gland 62 is locked on center valve body 11 through clamping screw 63.Filler seat uses plug-in assembling, is securely fitted on valve body through clamping screw, and filler seat is assemblied on valve body so that accessory form is fixing, easy to process, the path plug-in mounting termination of filler seat is plugged in filler seat installing hole and realizes location, solid and reliable after facilitating the assembling of filler seat, and assembling.
Further, described path plug-in mounting termination 611 periphery wall is provided with filler seat seal groove, in filler seat seal groove, radial direction seal ring 612 is installed, the path plug-in mounting termination 611 of filler seat 61 is plugged in filler seat installing hole 115, seal through radial direction seal ring 612 between path plug-in mounting termination 611 and the filler seat installing hole 115 of filler seat 61, it is provided with axial seal ring recess 117 around filler seat installing hole 115 on described center valve body 11, the axial sealing ring 118 coordinated with filler seat 61 end seal is installed in axial seal ring recess 117.Realize between filler seat and center valve body axially, radially two way seal, there is the reliable advantage of sealing.
Claims (6)
1. a pipe cleaning valve, include valve body, valve seat, spool, upper valve rod, lower valve rod and filler device, valve pocket it is provided with in valve body, valve seat and spool are assemblied in valve pocket, spool bottom supporting is on lower valve rod, spool top is connected with upper valve rod, valve seat coordinates with seal spool, upper valve rod seals with filler device and coordinates, described valve body includes center valve body, center valve body two ends are provided with connector, connector is provided with grafting termination, and it is positioned at the flange at rear, grafting termination, the grafting termination of connector is plugged in center valve body, center valve body and Flange joint, it is characterized in that: described center valve body two ends endoporus is provided with female thread, the grafting termination of described connector is provided with external screw thread, the female thread of center valve body screws with external screw thread.
Pipe cleaning valve the most according to claim 1, it is characterized in that: the grafting termination of described connector also has the axially-extending portion being positioned at external screw thread front, axially-extending portion is provided with ring packing ring recess, radially valve seals it is provided with in ring packing ring recess, radially valve seals seals with center valve body and coordinates, and is provided with valve body axial sealing ring between axial end portion and the flange of described center valve body.
Pipe cleaning valve the most according to claim 2, it is characterised in that: being provided with intermediate annular seal groove between described center valve body and connector, intermediate annular seal groove is between ring packing ring recess and external screw thread.
Pipe cleaning valve the most according to claim 3, it is characterized in that: the external diameter of described axially-extending portion is less than the external thread section external diameter of grafting termination, there is between axially-extending portion and external thread section First terrace, it is provided with diameter holes inside the internal thread hole of described center valve body, internal thread hole is provided with technique groove towards diameter holes one end, diameter holes and axially-extending portion corresponding matching, second step face is formed between internal thread hole and the diameter holes of center valve body, First terrace and interval, second step face form interval trough, interval trough combination corresponding with technology groove constitutes described intermediate annular seal groove.
5. according to pipe cleaning valve described in claim 1 or 2 or 3, it is characterized in that: described filler device includes filler seat and gland, upper valve rod is plugged in filler seat, it is provided with airtight and watertight padding between filler seat and upper valve rod, center valve body top is provided with the filler seat installing hole for filler seat plug-in mounting, axially extending path plug-in mounting termination, described filler seat bottom portion, path plug-in mounting termination external diameter is less than the external diameter of filler seat, and described filler seat, gland are locked on center valve body through clamping screw.
Pipe cleaning valve the most according to claim 5, it is characterized in that: described path plug-in mounting termination periphery wall is provided with filler seat seal groove, in ring packing ring recess, radial direction seal ring is installed, the path plug-in mounting termination of filler seat is plugged in filler seat installing hole, seal through radial direction seal ring between path plug-in mounting termination and the filler seat installing hole of filler seat, it is provided with axial seal ring recess around filler seat installing hole on described center valve body, the axial sealing ring coordinated with filler seat end seal is installed in axial seal ring recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620490902.2U CN205654936U (en) | 2016-05-26 | 2016-05-26 | Dredging pipe valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620490902.2U CN205654936U (en) | 2016-05-26 | 2016-05-26 | Dredging pipe valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205654936U true CN205654936U (en) | 2016-10-19 |
Family
ID=57405256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620490902.2U Expired - Fee Related CN205654936U (en) | 2016-05-26 | 2016-05-26 | Dredging pipe valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205654936U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547990A (en) * | 2018-07-17 | 2018-09-18 | 江苏应流机械制造有限责任公司 | A kind of end cap of forging ball valve |
| CN113915366A (en) * | 2021-09-18 | 2022-01-11 | 湖南联诚轨道装备有限公司 | A multilayer sealing ball valve for track traffic |
-
2016
- 2016-05-26 CN CN201620490902.2U patent/CN205654936U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547990A (en) * | 2018-07-17 | 2018-09-18 | 江苏应流机械制造有限责任公司 | A kind of end cap of forging ball valve |
| CN113915366A (en) * | 2021-09-18 | 2022-01-11 | 湖南联诚轨道装备有限公司 | A multilayer sealing ball valve for track traffic |
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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: 20161019 Termination date: 20170526 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |