CN212776126U - Double-sealing pipe fitting capable of axially stretching - Google Patents
Double-sealing pipe fitting capable of axially stretching Download PDFInfo
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- CN212776126U CN212776126U CN202021321709.9U CN202021321709U CN212776126U CN 212776126 U CN212776126 U CN 212776126U CN 202021321709 U CN202021321709 U CN 202021321709U CN 212776126 U CN212776126 U CN 212776126U
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- tube
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- 238000007789 sealing Methods 0.000 title claims abstract description 48
- 238000003466 welding Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a double-sealing pipe fitting capable of axially stretching, which comprises an outer pipe and an inner pipe, wherein the first end of the inner pipe extends into the first end of the outer pipe, the gap between the inner wall of the outer pipe and the outer wall of the inner pipe is sealed by two groups of sealing rings, and the second end of the outer pipe and the second end of the inner pipe are both provided with joints; the length of adjustable inner tube in the outer tube during use, the whole adjustable length of pipe fitting makes things convenient for two sets of pipelines of connection interval variation in size, and the screwed joint that the pipe fitting both ends set up is convenient for with pipeline threaded connection, simple operation and sealed effectual simultaneously.
Description
Technical Field
The utility model relates to a pipe fitting field especially relates to a but double containment pipe fitting that axial is flexible.
Background
In the pipe network installation and laying environment, the parameters in the installation site environment, such as the position of each pipeline in the pipe network, the design size of the pipeline length and the like, need to be measured in advance, and then the pipeline with the corresponding length can be processed according to the parameters.
In actual construction, the actual length of the pipeline is shorter than the required length due to human errors or pipeline sources, so that the pipelines which are preset to be connected are too large in space and cannot be connected; the common method is that the third pipeline is directly adopted to fill the gap between the pipelines to be connected, the whole sealing performance of the pipelines is poor due to the mode, the third group of connecting pipelines needs to be cut again, and the operation is complex.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a but double containment pipe fitting that axial is flexible, its flexible length is adjustable in order to adapt to the different interval of treating between the connecting tube, is convenient for realize the sealing connection between the pipeline.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a but double containment pipe fitting of axial expansion, includes outer tube and inner tube, the first end of inner tube is followed the first end of outer tube extends to in the outer tube, the outer tube with through at least a set of sealing washer A of locating the outer tube inner wall and at least a set of sealing washer B sealing connection of locating the inner tube outer wall between the inner tube, the second end of outer tube with the second end of inner tube still all is equipped with screwed joint.
In some preferred embodiments, a second convex ring is arranged on the outer wall of the inner pipe, and the at least one group of sealing rings B are embedded in the outer wall of the second convex ring; the inner wall of the outer pipe between the second convex ring and the second end of the inner pipe is provided with a first convex ring, and the inner wall of the first convex ring is embedded with at least one group of sealing rings A.
In some preferred embodiments, the second collar has an outer diameter greater than an inner diameter of the first collar, and the first collar abuts the second collar when the double sealing pipe is extended to a maximum length.
In some preferred embodiments, the second convex ring is a sliding sleeve arranged at the first end of the inner pipe, and the at least one set of sealing rings B is embedded on the outer wall of the sliding sleeve.
In some preferred embodiments, the outer wall of the sliding sleeve is slidably connected with the inner wall of the outer tube.
In some preferred embodiments, the first protruding ring is a sealing sleeve disposed at the first end of the outer tube, and the at least one set of sealing rings a is embedded on the inner wall of the sealing sleeve.
In some preferred embodiments, the inner wall of the gland is in sliding connection with the outer wall of the inner tube.
In some preferred embodiments, the threaded joint is an internal or external threaded joint.
In some preferred embodiments, the sliding sleeve and the inner tube are connected by welding or integral molding.
In some preferred embodiments, the sealing sleeve is connected to the outer tube by welding, integral molding or screwing.
The utility model has the advantages of it is following:
the utility model discloses an axially telescopic double-seal pipe fitting, including outer tube and inner tube, the first end of inner tube extends to in the first end of outer tube, the clearance between the inner wall of outer tube and the outer wall of inner tube forms double-seal structure through two sets of seal rings, the second end of outer tube and the second end of inner tube all are equipped with the joint; the length of adjustable inner tube in the outer tube during use, the whole adjustable length of pipe fitting makes things convenient for two sets of pipelines of connection interval variation in size, and the screwed joint that the pipe fitting both ends set up is convenient for with pipeline threaded connection, simple operation and sealed effectual simultaneously.
Drawings
Fig. 1 is a schematic structural view of a double-sealing pipe fitting of the present invention;
in the figure: 1-outer tube, 100-sealing sleeve, 101-sealing ring A, 2-inner tube, 200-sliding sleeve, 201-sealing ring B, and 3-threaded joint.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1, a double-sealing pipe fitting capable of axially extending and retracting comprises an outer pipe 1 and an inner pipe 2, wherein a first end of the inner pipe 2 extends into the outer pipe 1 from a first end of the outer pipe 1, the outer pipe 1 is connected with the inner pipe 2 in a sealing manner through at least one group of sealing rings a101 arranged on the inner wall of the outer pipe 1 and at least one group of sealing rings B201 arranged on the outer wall of the inner pipe 2, and the at least one group of sealing rings a101 and the at least one group of sealing rings B201 form a double-sealing structure of the pipe fitting.
The second end of outer tube 1 and the second end of inner tube 2 all are equipped with screwed joint 3 in order to connect the pipeline, screwed joint 3 is interior screwed joint or outer screwed joint, is interior screwed joint in this embodiment.
In some preferred embodiments, a second convex ring is arranged on the outer wall of the inner pipe 2, and the at least one group of sealing rings B201 is embedded in the outer wall of the second convex ring; be located and be equipped with first bulge loop on the 1 inner wall of outer tube between the second end of second bulge loop and inner tube 2, at least a set of sealing washer A101 inlays and locates first bulge loop inner wall, and the aim at who sets up first bulge loop and second bulge loop avoids directly slotting on inner tube 2 and outer tube 1 and inlays and establish the sealing washer, reduces the structural strength of pipe fitting.
The outer diameter of the second convex ring is larger than the inner diameter of the first convex ring, when the double-sealing pipe fitting extends to the maximum length, the first convex ring is abutted against the second convex ring, so that the inner pipe 2 cannot be pulled out of the outer pipe 1.
The second convex ring can be arranged at any position of the outer wall of the inner pipe 2, as a preferred embodiment, the second convex ring is a sliding sleeve 200 arranged at the end part of the first end of the inner pipe 2, at least one group of sealing rings B201 is embedded on the outer wall of the sliding sleeve 200, the group of sealing rings B201 is a group in the embodiment, and the sliding sleeve 200 and the inner pipe 2 are connected in a welding or integrated forming mode, in the embodiment, the welding is adopted.
First bulge loop can set up in the optional position on the outer tube 1 inner wall between the second end of second bulge loop and inner tube 2, in this embodiment, first bulge loop is for locating the seal cover 100 of the first end tip of outer tube 1, at least a set of sealing washer A101 inlays to be located on the inner wall of seal cover 100, seal cover 100 with outer tube 1 adopts welding, integrated into one piece or threaded connection mode to link to each other, and during threaded connection, be equipped with the internal thread on the seal cover 100 and screw on the outer wall of son outer tube 1 first end with the mode of end cover.
The inner wall of the sealing sleeve 100 is in sliding connection with the outer wall of the inner tube 2, and the outer wall of the sliding sleeve 200 is in sliding connection with the inner wall of the outer tube 1, so that the inner tube 2 and the inner wall of the outer tube 1 can slide more smoothly and cannot shake.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a but double containment pipe fitting of axial telescope, includes outer tube (1) and inner tube (2), the first end of inner tube (2) is followed the first end of outer tube (1) extends to in outer tube (1), outer tube (1) with between inner tube (2) through at least a set of sealing washer A (101) of locating outer tube (1) inner wall and at least a set of sealing washer B (201) sealing connection of locating inner tube (2) outer wall, its characterized in that:
and the second end of the outer pipe (1) and the second end of the inner pipe (2) are both provided with threaded joints (3).
2. The double seal pipe member axially retractable as claimed in claim 1, wherein: a second convex ring is arranged on the outer wall of the inner pipe (2), and the at least one group of sealing rings B (201) are embedded in the outer wall of the second convex ring; the inner wall of the outer pipe (1) between the second end of the second convex ring and the second end of the inner pipe (2) is provided with a first convex ring, and the inner wall of the first convex ring is embedded with at least one group of sealing rings A (101).
3. The double seal pipe member axially retractable as claimed in claim 2, wherein: the outer diameter of the second convex ring is larger than the inner diameter of the first convex ring, and when the double-sealing pipe fitting extends to the maximum length, the first convex ring is abutted against the second convex ring.
4. The double seal pipe member axially extendable and retractable as claimed in claim 2 or 3, wherein: the second bulge loop is a sliding sleeve (200) arranged at the end part of the first end of the inner tube (2), and the at least one group of sealing rings B (201) are embedded on the outer wall of the sliding sleeve (200).
5. The double seal pipe member axially retractable as claimed in claim 4, wherein: the outer wall of the sliding sleeve (200) is in sliding connection with the inner wall of the outer pipe (1).
6. The double seal pipe member axially extendable and retractable as claimed in claim 2 or 3, wherein: the first convex ring is a sealing sleeve (100) arranged at the end part of the first end of the outer tube (1), and the at least one group of sealing rings A (101) are embedded on the inner wall of the sealing sleeve (100).
7. The double seal pipe member axially retractable as claimed in claim 6, wherein: the inner wall of the sealing sleeve (100) is in sliding connection with the outer wall of the inner pipe (2).
8. An axially retractable double seal pipe member as claimed in claim 1, 2 or 3, wherein: the threaded joint (3) is an internal thread joint or an external thread joint.
9. The double seal pipe member axially retractable as claimed in claim 4, wherein: the sliding sleeve (200) is connected with the inner pipe (2) in a welding or integrated forming mode.
10. The double seal pipe member axially retractable as claimed in claim 6, wherein: the sealing sleeve (100) is connected with the outer tube (1) in a welding, integral forming or threaded connection mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021321709.9U CN212776126U (en) | 2020-07-07 | 2020-07-07 | Double-sealing pipe fitting capable of axially stretching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021321709.9U CN212776126U (en) | 2020-07-07 | 2020-07-07 | Double-sealing pipe fitting capable of axially stretching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212776126U true CN212776126U (en) | 2021-03-23 |
Family
ID=75077336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021321709.9U Active CN212776126U (en) | 2020-07-07 | 2020-07-07 | Double-sealing pipe fitting capable of axially stretching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212776126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399376A (en) * | 2021-06-17 | 2021-09-17 | 安徽信息工程学院 | Suction head mechanism for internal elements of computer |
-
2020
- 2020-07-07 CN CN202021321709.9U patent/CN212776126U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399376A (en) * | 2021-06-17 | 2021-09-17 | 安徽信息工程学院 | Suction head mechanism for internal elements of computer |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 611230 north section of Hongye Road, Chongzhou Economic Development Zone, Chengdu, Sichuan Patentee after: Kangtai Plastic Technology Co.,Ltd. Address before: 611230 north section of Hongye Road, Chongzhou Economic Development Zone, Chengdu, Sichuan Patentee before: Kangtai Plastic Technology Group Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |