CN2315383Y - Multifunctional check valve - Google Patents
Multifunctional check valve Download PDFInfo
- Publication number
- CN2315383Y CN2315383Y CN 97235000 CN97235000U CN2315383Y CN 2315383 Y CN2315383 Y CN 2315383Y CN 97235000 CN97235000 CN 97235000 CN 97235000 U CN97235000 U CN 97235000U CN 2315383 Y CN2315383 Y CN 2315383Y
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- CN
- China
- Prior art keywords
- valve
- valve body
- groove
- seal
- valve plate
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a novel multifunctional check valve. A valve plate and a valve cover of the utility model are changed into conical surface seal, an annular sealing groove is arranged on the valve plate, and a sealing ring is arranged in the groove. The inner part of a valve body or the valve cover is provided with a slow-closing cylinder, a cylinder sleeve is arranged in the slow-closing cylinder, and a piston is arranged in the cylinder sleeve. Simultaneously, one end of the valve body is provided with a clamping flange and an expansion pipe, and the expansion pipe, the inner wall of the valve body and the clamping flange are in clearance fit. The utility model has the advantages of good tightness, simple and compact structure, small size, low cost, complete function and long service life, and has two purposes of lying and standing and has the functions of expansion and slow closing.
Description
The utility model relates to a kind of safety check, relates in particular to a kind of good multifunctional non-return valve.
The normal plane sealing that adopts of existing safety check valve plate sealing, its poor sealing performance, and adopted the safety check of Sealing, its Sealing is fragile, does not reach the non-return effect.Buffer valve in the market, its Slow Close cylinder is positioned at the valve body outside, and is bulky, and complex structure brings inconvenience for packing and transportation, and involves great expense.Simultaneously, itself does not possess Telescopic safety check in the market, and large-scale safety check must be set up expansion bend in addition in installing and using process, and complex structure spends high again.
The purpose of this utility model is: a kind of good seal performance, simple in structure, compact multifunctional non-return valve are provided.
The technical solution of the utility model is: for improving the sealability of safety check, change valve plate and valve cover chamber into conical surface seal, and offer the ring packing groove on valve plate, be provided with seal ring in the groove.
The utility model has the Slow Close function for making safety check, and make its compact structure, be provided with the Slow Close cylinder at its valve body or valve gap inside by link bar, be provided with cylinder sleeve in the Slow Close cylinder, be provided with piston in the cylinder sleeve, piston is provided with the ring packing groove, is provided with seal ring in the sealed groove, and the connecting pipe of piston and valve plate is provided with overflow hole.
The utility model is provided with folder orchid and telescopic pipe at valve body one end, so that safety check itself has Telescopic.Folder is blue, form the delta seal groove between valve body and the telescopic pipe, in establish seal ring.
The utility model is evenly equipped with some guiding ribs at valve interior wall, and the motion of valve plate is had leading role.
The utility model is the sealing that is connected of improving valve body and valve gap, and forms the delta seal groove structure between valve body and the valve gap, is provided with seal ring in the groove.
The utlity model has good seal performance, simple and compact for structure, volume is little, cost is low, it is upright dual-purpose to crouch and have flexible Slow Close function, multiple functional, long service life.
Accompanying drawing 1: be embodiment's 1 of the present utility model structural representation
Accompanying drawing 2: be embodiment's 2 of the present utility model structural representation
Accompanying drawing 3: be embodiment's 3 of the present utility model structural representation
Accompanying drawing 4: be embodiment's 4 of the present utility model structural representation
Accompanying drawing 5: be embodiment's 5 of the present utility model structural representation
Accompanying drawing 6: be embodiment's 6 of the present utility model structural representation
Contrasting accompanying drawing below in conjunction with embodiment is elaborated to the utility model.
Embodiment 1: valve inner is provided with the buffer valve of the band telescopic pipe of Slow Close cylinder
Present embodiment is become by valve body 1, valve gap 7, valve plate 4 and other enclosure group.7 of valve plate 4 and valve gaps are conical surface seal, and offer ring packing groove 5 on valve plate 4, are provided with seal ring 6 in the sealed groove 5.Valve body 1 inner wall even distribution has some guiding ribs 10.Inside at valve body 1 is provided with Slow Close cylinder 14 by link bar, is provided with cylinder sleeve 13 in the Slow Close cylinder 14, is provided with the piston 2, the piston 2 that are connected as a single entity with valve plate 4 in the cylinder sleeve 13 and is provided with ring packing groove 11, is provided with seal ring 12 in the sealed groove 11.Piston 2 is provided with overflow hole 3 with the connecting pipe of valve plate 4.One end of valve body 1 is provided with folder blue 17 and telescopic pipe 18.Folder is blue 17, form delta seal groove 15 between valve body 1 and the telescopic pipe 18, in establish seal ring 16.One end of telescopic pipe 18 inserts in valve body 1, the folder blue 17 simultaneously, and forms Spielpassung with valve body 1 and folder blue 17.Between the surface of contact of valve body 1 and valve gap 7, form delta seal groove 8, be provided with seal ring 9 in the sealed groove 8.
Embodiment 2: valve gap inside is provided with the buffer valve of the band telescopic pipe of Slow Close cylinder
Present embodiment is become by valve body 1, valve gap 7, valve plate 4 and other enclosure group.7 of valve plate 4 and valve gaps are conical surface seal, and offer ring packing groove 5 on valve plate 4, are provided with seal ring 6 in the sealed groove 5.Valve body 1 inner wall even distribution has some guiding ribs 10.Valve body 1 inside center is provided with pilot hole by link bar, and pilot hole is embedded with sliding sleeve 19, is provided with valve rod 20 in the sliding sleeve 19, and an end of valve rod 20 is connected with valve plate 4 by nut.Inside at valve gap 7 is provided with Slow Close cylinder 14 by link bar, is provided with cylinder sleeve 13 in the Slow Close cylinder 14, is provided with the piston 2, the piston 2 that are connected as a single entity with valve plate 4 in the cylinder sleeve 13 and is provided with ring packing groove 11, is provided with seal ring 12 in the sealed groove 11.On the connecting pipe of piston 2 and valve plate 4, be provided with overflow hole 3.One end of valve body 1 is provided with folder blue 17 and telescopic pipe 18.Folder is blue 17, form delta seal groove 15 between valve body 1 and the telescopic pipe 18, in establish seal ring 16.One end of telescopic pipe 18 inserts in valve body 1, the folder blue 17 simultaneously, and forms Spielpassung with valve body 1 and folder blue 17.Between the surface of contact of valve body 1 and valve gap 7, form delta seal groove 8, be provided with seal ring 9 in the sealed groove 8.
Embodiment 3: the safety check of band telescopic pipe
Present embodiment is become by valve body 1, valve gap 7, valve plate 4 and other enclosure group.7 of valve plate 4 and valve gaps are conical surface seal, and offer ring packing groove 5 on valve plate 4, are provided with seal ring 6 in the sealed groove 5.Valve body 1 inner wall even distribution has some guiding ribs 10.Valve body 1 inside center is provided with pilot hole by link bar, and pilot hole is embedded with sliding sleeve 19, is provided with valve rod 20 in the sliding sleeve 19, and an end of valve rod 20 is connected with valve plate 4 by nut.Valve body one end is provided with folder blue 17 and telescopic pipe 18.Folder is blue 17, form delta seal groove 15 between valve body 1 and the telescopic pipe 18, in establish seal ring 16.One end of telescopic pipe 18 inserts in valve body 1, the folder blue 17 simultaneously, and forms Spielpassung with valve body 1, folder blue 17.Between the surface of contact of valve body 1 and valve gap 7, form delta seal groove 8, be provided with seal ring 9 in the sealed groove 8.
Embodiment 4: not with the bottom valve of telescopic pipe
Present embodiment is become by valve body 1, valve gap 7, valve plate 4 and other enclosure group.7 of valve plate 4 and valve gaps are conical surface seal, and offer ring packing groove 5 on valve plate 4, are provided with seal ring 6 in the sealed groove 5.Valve body 1 inner wall even distribution has some guiding ribs 10.Valve body 1 inside center is provided with pilot hole by link bar, and pilot hole is embedded with sliding sleeve 19, is provided with valve rod 20 in the sliding sleeve 19, and an end of valve rod 20 is connected with valve plate 4 by nut.Between the surface of contact of valve body 1 and valve gap 7, form delta seal groove 8, be provided with seal ring 9 in the sealed groove 8.The bottom of valve gap 7 is provided with filter screen.
Embodiment 5, not with the safety check of telescopic pipe
Present embodiment is become by valve body 1, valve gap 7, valve plate 4 and other enclosure group.7 of valve plate 4 and valve gaps are conical surface seal, and offer ring packing groove 5 on valve plate 4, are provided with seal ring 6 in the sealed groove 5.The inside center of valve body 1 is provided with pilot hole by link bar, and pilot hole is embedded with sliding sleeve 19, is provided with valve rod 20 in the sliding sleeve 19, and an end of valve rod 20 is connected with valve plate 4 by nut.
Embodiment 6: not with the buffer valve of telescopic pipe
Present embodiment is become by valve body 1, valve gap 7, valve plate 4 and other enclosure group.7 of valve plate 4 and valve gaps are conical surface seal, and offer ring packing groove 5 on valve plate 4, are provided with seal ring 6 in the sealed groove 5.Valve body 1 inner wall even distribution has some guiding ribs 10.Inside at valve body 1 is provided with Slow Close cylinder 14 by link bar, is provided with cylinder sleeve 13 in the Slow Close cylinder 14, is provided with the piston 2, the piston 2 that are connected as a single entity with valve plate 4 in the cylinder sleeve 13 and is provided with ring packing groove 11, is provided with seal ring 12 in the sealed groove 11.On the connecting pipe of piston 2 and valve plate 4, be provided with overflow hole 3.Between the surface of contact of valve body 1 and valve gap 7, form delta seal groove 8, be provided with seal ring 9 in the sealed groove 8.
Claims (9)
1, a kind of non-return valve, become by valve body (1), valve gap (7), valve plate (4) and other enclosure group, it is characterized in that: be conical surface seal between valve plate (4) and valve gap (7), and on valve plate (4), offer ring packing groove (5), be provided with seal ring (6) in the sealed groove (5).
2, non-return valve according to claim 1, it is characterized in that valve body (1) or valve gap (7) inside is provided with Slow Close cylinder (14) by link bar, be provided with cylinder sleeve (13) in the Slow Close cylinder (14), be provided with the piston (2) that is connected as a single entity with valve plate (4) in the cylinder sleeve (13), piston (2) is provided with overflow hole (3) with the connecting pipe of valve plate (4).
3, non-return valve according to claim 1 and 2, it is characterized in that: an end of valve body (1) is provided with folder blue (17) and telescopic pipe (18), formation delta seal groove (15) between folder blue (17), valve body (1) and the telescopic pipe (18), in establish seal ring (16), telescopic pipe (18) one ends insert in valve body (1), the folder blue (17) simultaneously, and form Spielpassung with valve body (1), folder blue (17).
4, non-return valve according to claim 1 and 2 is characterized in that: valve body (1) inner wall even distribution has some guiding ribs (10).
5, non-return valve according to claim 3 is characterized in that: valve body (1) inner wall even distribution has some guiding ribs (10).
6, non-return valve according to claim 1 and 2 is characterized in that: valve body (1) inside center is provided with pilot hole by link bar, and pilot hole is embedded with sliding sleeve (19).
7, non-return valve according to claim 3 is characterized in that: valve body (1) inside center is provided with pilot hole by link bar, and pilot hole is embedded with sliding sleeve (19).
8, non-return valve according to claim 1 and 2 is characterized in that: form delta seal groove (8) between the surface of contact of valve body (1) and valve gap (7), be provided with seal ring (9) in the sealed groove (8).
9, non-return valve according to claim 2 is characterized in that: piston (2) is provided with ring packing groove (11), is provided with seal ring (12) in the sealed groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97235000 CN2315383Y (en) | 1997-07-09 | 1997-07-09 | Multifunctional check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97235000 CN2315383Y (en) | 1997-07-09 | 1997-07-09 | Multifunctional check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2315383Y true CN2315383Y (en) | 1999-04-21 |
Family
ID=33946216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97235000 Expired - Fee Related CN2315383Y (en) | 1997-07-09 | 1997-07-09 | Multifunctional check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2315383Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105036042A (en) * | 2015-08-11 | 2015-11-11 | 玉环县和成铜业有限公司 | Barrel dispenser |
-
1997
- 1997-07-09 CN CN 97235000 patent/CN2315383Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105036042A (en) * | 2015-08-11 | 2015-11-11 | 玉环县和成铜业有限公司 | Barrel dispenser |
| CN105036042B (en) * | 2015-08-11 | 2018-01-19 | 塔罗斯控股有限公司 | A kind of fat distributor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |