CN2777329Y - Anti drawn-off type expansion means - Google Patents
Anti drawn-off type expansion means Download PDFInfo
- Publication number
- CN2777329Y CN2777329Y CN 200520000989 CN200520000989U CN2777329Y CN 2777329 Y CN2777329 Y CN 2777329Y CN 200520000989 CN200520000989 CN 200520000989 CN 200520000989 U CN200520000989 U CN 200520000989U CN 2777329 Y CN2777329 Y CN 2777329Y
- Authority
- CN
- China
- Prior art keywords
- body pipe
- pipe
- flange plate
- telescopic body
- fastening force
- 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 - Lifetime
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Abstract
The utility model relates to an anti drawn-off type expansion device which comprises an expansion body pipe, an expansion inner pipe a force fastening tray, a sealing element, a limiting screw bolt, a fastening screw bolt and a pressure table, wherein both ends of the expansion body pipe are respectively provided with a flange tray, the pressure table is fixedly arranged in the expansion body pipe, the force fastening tray is composed of flange trays and stop opening rings fixed on the flange trays, the sealing element is arranged on the pressure table, the stop opening rings on the force fastening trays are abutted and pressed on the sealing element, the flange tray on the force fastening tray is connected with the flange trays of the expansion body pipe through the fastening screw bolt and the end part of the limiting screw bolt is provided with a limiting stop block. Owing to the adoption of the design scheme, the stress phenomenon of the tension and the distortion of a pipe line is eliminated, and the problems of poor seal and leakage are solved; the phenomenon that the expansion inner pipe is disengaged from the expansion body pipe because the moment pressure is increased is eliminated in the process of use under the function of the limiting screw bolt and the limiting stop block. The utility model has the advantages of simple structure, safety, no leakage and convenient use.
Description
Technical field
The utility model relates to a kind of pipeline connection fittings, particularly relates to a kind of anti-slip expansion bend.
Background technique
At present in industrial pipeline and tap water pipeline, adopt the steel expansion bend mostly, in the prior art, its structure is comparatively complicated, poorly sealed, easily produce leakage problems, in use, especially when this expansion bend was installed in the pump discharge place, the unlatching instantaneous pressure of pump was big, flexible interior pipe is deviate from from the telescopic body pipe, caused serious accident.
Summary of the invention
The purpose of this utility model provides a kind of anti-slip expansion bend, thereby has eliminated stretching and the distortion that causes because of pipeline stress, makes the connection of pipeline more safe and reliable, to remedy the deficiencies in the prior art.
The utility model is realized as follows: a kind of anti-slip expansion bend, it includes the telescopic body pipe, pipe in flexible, it also includes the fastening force dish, Sealing, caging bolt, clamping bolt and binder platform, described telescopic body pipe two ends are respectively arranged with flange plate, in the telescopic body pipe, be installed with the binder platform, the fastening force dish is made of flange plate and the seam circle that is fixed on the flange plate, be installed with flange plate on the pipe in flexible, seam circle on the described fastening force dish and flexible interior pipe, ecto-entad is inserted in the telescopic body pipe successively, described Sealing is arranged on the binder platform, seam circle on the fastening force dish is pressed on the Sealing, flange plate on the described fastening force dish is connected with the telescopic body pipe flange by clamping bolt, and an end of described caging bolt passes the flange plate on the flexible interior pipe; The other end of caging bolt passes telescopic body pipe upper flange plate spacing hole, and is provided with spacing stops in its end.
The transitional surface that described telescopic body pipe links to each other with the binder platform is a concave arc surface, the described seam circle that is pressed on the Sealing, and end of external diameter is provided with chamfered edge in it.
The Sealing that described binder platform is provided with is 2 O-ring seals.
An end of the flexible interior pipe of plug-in mounting is provided with flange plate on the described telescopic body pipe, and its diameter of bore matches with the seam circle of fastening force dish, and the diameter of telescopic body pipe the other end upper flange plate endoporus is consistent with the internal diameter of flexible interior pipe.
The utility model anti-slip expansion bend good effect is: owing to adopted present design, eliminated the stress phenomena of the stretching and the distortion of pipeline, solved poorly sealed and leakage problems, under the effect of caging bolt and spacing stops, stopped in use to increase because of instantaneous pressure, the phenomenon that causes flexible interior pipe from the telescopic body pipe, to deviate from, product of the present utility model, it is simple in structure, and is safe and reliable, non-leakage, easy to use.
Description of drawings
Fig. 1 is a sectional structure schematic representation of the present utility model.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is a flexible inner tube structure schematic representation in the utility model.
Fig. 4 is a fastening force dish structural representation in the utility model.
Fig. 5 is a telescopic body tubular construction schematic representation in the utility model.
Among the figure, 1 flexible interior pipe, 2 fastening force dishes, 3 telescopic body pipes, 4 caging bolts, 5 spacing stops, 6 binder platforms, 7 Sealings, 8 clamping bolts, 9 flange plate, 10 seam circles, 11 chamfered edges, 12 concave arcs.
Below in conjunction with accompanying drawing the utility model is described further.
Embodiment
As shown in the figure, anti-slip expansion bend of the present utility model, it includes telescopic body pipe 3, pipe 1 in flexible, it also includes fastening force dish 2, Sealing 7, caging bolt 4, clamping bolt 8 and binder platform 6, described telescopic body pipe 3 two ends are respectively arranged with flange plate 9, in telescopic body pipe 3, be installed with binder platform 6, fastening force dish 2 is made of flange plate 9 and the seam circle 10 that is fixed on the flange plate 9, be installed with flange plate 9 on the pipe 1 in flexible, seam circle 10 on the described fastening force dish 2 and flexible interior pipe 1, ecto-entad is inserted in the telescopic body pipe 3 successively, described Sealing 7 is arranged on the binder platform 6, seam circle 10 on the fastening force dish 2 is pressed on the Sealing 7, flange plate 9 on the described fastening force dish 2 is connected with the flange plate 9 of telescopic body pipe 3 by clamping bolt 8, and an end of described caging bolt 4 passes the flange plate 9 on the flexible interior pipe 1; The other end of caging bolt 4 passes the flange plate spacing hole on the telescopic body pipe 3, and is provided with spacing stops 5 in its end.
One end of described caging bolt 4 passes the flange plate 9 on the flexible interior pipe 1, and the other end of caging bolt 4 is penetrated by fastening force dish 2 and telescopic body pipe 3 upper flange plates 9 spacing holes, and is provided with spacing stops 5 in its end.
The transitional surface that described telescopic body pipe 3 links to each other with binder platform 6 is a concave arc surface 12, the described seam circle 10 that is pressed on the Sealing 7, and end of external diameter is provided with chamfered edge 11 in it.
The Sealing 7 that described binder platform 6 is provided with is 2 O-ring seals.
An end of the flexible interior pipe 1 of plug-in mounting is provided with flange plate 9 on the described telescopic body pipe 3, and its diameter of bore matches with the seam circle 10 of fastening force dish 2, and the diameter of flange plate 9 endoporus on telescopic body pipe 3 the other ends is consistent with the internal diameter of flexible interior pipe 1.
Among a kind of embodiment of anti-slip expansion bend of the present utility model, flexible interior pipe 1 outer wall and its inwall have adopted plating plastic cement composite membrane, and the clamping bolt 8 of fastening force dish 2 adopts stainless steel materials to make.
Claims (4)
1. anti-slip expansion bend, it includes the telescopic body pipe, pipe in flexible, it is characterized in that: it also includes the fastening force dish, Sealing, caging bolt, clamping bolt and binder platform, described telescopic body pipe two ends are respectively arranged with flange plate, in the telescopic body pipe, be installed with the binder platform, the fastening force dish is made of flange plate and the seam circle that is fixed on the flange plate, be installed with flange plate on the pipe in flexible, seam circle on the described fastening force dish and flexible interior pipe ecto-entad are inserted in the telescopic body pipe successively, described Sealing is arranged on the binder platform, seam circle on the fastening force dish is pressed on the Sealing, flange plate on the described fastening force dish is connected with the telescopic body pipe flange by clamping bolt, one end of described caging bolt passes the flange plate on the flexible interior pipe, the other end of caging bolt passes telescopic body pipe upper flange plate spacing hole, and is provided with spacing stops in its end.
2. anti-slip expansion bend according to claim 1 is characterized in that: the transitional surface that described telescopic body pipe links to each other with the binder platform is a concave arc surface, describedly is pressed on seam circle on the Sealing, and end of external diameter is provided with chamfered edge in it.
3. anti-slip expansion bend according to claim 1 is characterized in that: the Sealing that described binder platform is provided with is 2 O-ring seals.
4. anti-slip expansion bend according to claim 1, it is characterized in that: an end of the flexible interior pipe of plug-in mounting is provided with flange plate on the described telescopic body pipe, its diameter of bore matches with the seam circle of fastening force dish, and the diameter of telescopic body pipe the other end upper flange plate endoporus is consistent with the internal diameter of flexible interior pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520000989 CN2777329Y (en) | 2005-01-18 | 2005-01-18 | Anti drawn-off type expansion means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520000989 CN2777329Y (en) | 2005-01-18 | 2005-01-18 | Anti drawn-off type expansion means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2777329Y true CN2777329Y (en) | 2006-05-03 |
Family
ID=36744713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520000989 Expired - Lifetime CN2777329Y (en) | 2005-01-18 | 2005-01-18 | Anti drawn-off type expansion means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2777329Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832727A (en) * | 2014-02-11 | 2015-08-12 | 上海中林给水材料有限公司 | Large-deflection steel pulling-off-prevention expansion joint |
| DE202020103581U1 (en) | 2020-06-22 | 2021-06-24 | Hollnack & Steinbach GmbH & Co. KG | Flange connection arrangement for a pipeline |
| DE102022124148A1 (en) | 2022-09-20 | 2024-03-21 | Lothar Schütz | Connection system and connection method |
-
2005
- 2005-01-18 CN CN 200520000989 patent/CN2777329Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832727A (en) * | 2014-02-11 | 2015-08-12 | 上海中林给水材料有限公司 | Large-deflection steel pulling-off-prevention expansion joint |
| DE202020103581U1 (en) | 2020-06-22 | 2021-06-24 | Hollnack & Steinbach GmbH & Co. KG | Flange connection arrangement for a pipeline |
| DE102021115904A1 (en) | 2020-06-22 | 2021-12-23 | Hollnack & Steinbach GmbH & Co. KG | FLANGE CONNECTION ARRANGEMENT FOR A PIPE |
| DE102022124148A1 (en) | 2022-09-20 | 2024-03-21 | Lothar Schütz | Connection system and connection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150118 Granted publication date: 20060503 |