CN215950729U - Crimping type connecting thin-wall carbon steel double 90-degree elbow pipe fitting - Google Patents
Crimping type connecting thin-wall carbon steel double 90-degree elbow pipe fitting Download PDFInfo
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- CN215950729U CN215950729U CN202120891500.4U CN202120891500U CN215950729U CN 215950729 U CN215950729 U CN 215950729U CN 202120891500 U CN202120891500 U CN 202120891500U CN 215950729 U CN215950729 U CN 215950729U
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Abstract
The utility model discloses a crimping type connecting thin-wall carbon steel double-90-degree elbow pipe fitting which comprises an elbow pipe fitting body, wherein the elbow pipe fitting body comprises an upper pipe part, the upper pipe part is formed by stretching and extruding a thin-wall steel pipe and is bent by 90 degrees, one end of the upper pipe part is provided with a welding line, and the other end of the upper pipe part is provided with an upper bell mouth; the lower pipe part is formed by stretching and extruding a thin-wall steel pipe and is bent by 90 degrees, one end of the lower pipe part is provided with a welding line, and the other end of the lower pipe part is provided with a lower bellmouth; the upper pipe part and the lower pipe part are welded through welding seams, and the planes of the upper bellmouth and the lower bellmouth are not on the same plane. The upper pipe part and the lower pipe part which are formed by stretching and extruding the thin-wall steel pipe are welded with each other to form the double-90-degree elbow pipe fitting body, so that the double-90-degree elbow pipe fitting body can be used in a narrow space, can realize the steering of a pipeline on two planes, and has the advantages of low cost and reduction of the number of connecting points from 4 to 2.
Description
Technical Field
The utility model belongs to the technical field of elbow connecting pipe fittings, and particularly relates to a crimping type connecting thin-wall carbon steel double-90-degree elbow pipe fitting.
Background
The pipe fitting is a general name of parts which play the roles of connection, control, diversion and the like in a pipeline system, the steel pipe fitting is a pressure-bearing pipe fitting, and the steel pipe fitting generally comprises the following components according to the purposes: butt joint, elbow, tee joint, four-way joint, flange, loose joint and the like, wherein the elbow generally comprises 90-degree and 45-degree elbow pipe fittings which are elbows on the same plane.
Under the actual installation and construction situation, when the direction of a pipeline needs to be vertically changed at the same point, the pipeline is generally connected by two 90-degree elbow pipe fittings.
In a fire-fighting spraying system of an overhead goods shelf, a pipeline needs to turn at two different planes, and when the adjacent distance between the two planes is small, the requirement of a narrow space is difficult to meet by using two 90-degree elbow pipe fittings, so that the utility model provides a compression joint type connection thin-wall carbon steel double 90-degree elbow pipe fitting for the overhead goods shelf aiming at the situation.
SUMMERY OF THE UTILITY MODEL
In view of the above, the technical problem to be solved by the present invention is to provide a crimping type thin-wall carbon steel double 90 ° elbow pipe fitting, which is used for avoiding the inconvenience of using two 90 ° elbow pipe fittings in a narrow space to butt joint a pipeline.
In order to solve the technical problem, the utility model discloses a crimping type connecting thin-wall carbon steel double-90-degree elbow pipe fitting which comprises an elbow pipe fitting body, wherein the elbow pipe fitting body comprises an upper pipe part, the upper pipe part is formed by stretching and extruding a thin-wall steel pipe and is bent by 90 degrees, one end of the upper pipe part is provided with a welding line, and the other end of the upper pipe part is provided with an upper bell mouth;
the lower pipe part is formed by stretching and extruding a thin-wall steel pipe and is bent by 90 degrees, one end of the lower pipe part is provided with a welding line, and the other end of the lower pipe part is provided with a lower bellmouth;
the upper pipe part and the lower pipe part are welded through welding seams, and the planes of the upper bellmouth and the lower bellmouth are not on the same plane.
According to an embodiment of the present invention, the upper socket includes:
a first pipe portion having an inner diameter greater than an inner diameter of the upper pipe portion;
the second end portion extends in first pipe portion, and has the indent slot, and the indent slot is used for inlaying and establishes the sealing washer.
According to an embodiment of the present invention, the inner end of the second end portion extends to the first pipe portion, and the inner diameter of the outer end of the second end portion is larger than the inner diameter of the inner end.
According to an embodiment of the present invention, the lower socket structure is the same as the upper socket structure.
According to an embodiment of the present invention, the lower socket structure is different from the upper socket structure, and the lower socket is configured as an internal threaded socket or an external threaded socket or a socket.
According to an embodiment of the present invention, the first pipe portion and the inner wall of the upper pipe portion form a step having a curved shape.
According to an embodiment of the present invention, the inner diameters of the upper socket and the lower socket are different.
According to an embodiment of the present invention, the inner diameters of the upper socket and the lower socket are the same.
Compared with the prior art, the utility model can obtain the following technical effects:
the upper pipe part and the lower pipe part which are formed by stretching and extruding the thin-wall steel pipe are welded with each other to form a double-90-degree elbow pipe fitting body, so that the double-90-degree elbow pipe fitting body can be used in a narrow space, the steering of the pipeline in two planes can be realized, and the double-90-degree elbow pipe fitting has the advantages that the cost is low, and the number of connecting points is reduced to 2 by 4.
Of course, it is not necessary for any one product in which the utility model is practiced to achieve all of the above-described technical effects simultaneously.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a perspective view of a crimp-type connection thin-walled carbon steel double 90-degree elbow fitting of an embodiment of the utility model;
FIG. 2 is a cross-sectional view of the upper tubular portion of an embodiment of the present invention.
Reference numerals
The upper pipe part 10, the lower pipe part 20, the upper bell mouth 30, the first pipe part 31, the second end part 32, the lower bell mouth 40 and the arc step 50.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings and examples, so that how to implement the technical means for solving the technical problems and achieving the technical effects of the present invention can be fully understood and implemented.
Referring to fig. 1 and fig. 2 together, fig. 1 is a perspective view of a crimping connection thin-walled carbon steel double 90-degree elbow pipe fitting according to an embodiment of the present invention; FIG. 2 is a cross-sectional view of the upper tubular portion of an embodiment of the present invention.
As shown in the figure, the crimping type connecting thin-wall carbon steel double-90-degree elbow pipe fitting comprises an elbow pipe fitting body, wherein the elbow pipe fitting body comprises an upper pipe part 10 and a lower pipe part 20, the upper pipe part 10 is formed by stretching and extruding a thin-wall steel pipe and is bent by 90 degrees, one end of the upper pipe part is provided with a welding line, and the other end of the upper pipe part is provided with an upper bell mouth 30; the lower pipe part 20 is formed by stretching and extruding a thin-wall steel pipe, and is bent by 90 degrees, one end of the lower pipe part is provided with a welding line, and the other end of the lower pipe part is provided with a lower bellmouth 40.
In an embodiment of the present invention, the upper pipe portion 10 and the lower pipe portion 20 are welded by a weld seam to realize the butt joint of two thin-walled steel pipes, and the thin-walled steel pipes are blanked from a carbon steel plate, pressed, rolled, welded and formed, so that the design is light in weight and materials are saved. And the planes of the upper bellmouth 30 and the lower bellmouth 40 are not in the same plane, so that the requirement of narrow space is met when the adjacent distance between the two planes is small when the trend of the pipeline is changed vertically. Especially in the fire sprinkler system of overhead goods shelves, the pipeline position that often appears need turn round in two different planes, and then realizes turning to, has with low costs, the tie point reduces to 2 advantage by 4.
The upper socket 30 of the present invention includes: a first tube part 31 and a second end part 32. Wherein the first pipe portion 31 has an inner diameter larger than that of the upper pipe portion 10, is expanded from the end of the upper pipe portion 10, and is formed by drawing and extrusion. And second tip 32 extends in first pipe portion 31, and has indent slot, and indent slot is used for inlaying and establishes the sealing washer, realizes accomplishing closely laminating in the butt joint pipeline, guarantees the leakproofness.
It should be understood that, this upper socket 30 is the mode that adopts the crimping formula when the butt joint pipeline, and crimping formula connected mode is also called card pressure formula connected mode, cup joints on the pipeline through first pipe portion 31, utilizes calliper crimping, realizes then the connection of pipeline, uses extensively, and the practicality is strong.
In addition, the inner end of the second end portion 32 extends the first pipe portion 31, and the inner diameter of the outer end of the second end portion 32 is larger than that of the inner end, so that the opening of the pipe fitting is slightly large, the pipe fitting is convenient to conduct and butt joint, the pipe fitting is convenient to install quickly, and the use convenience is improved.
In a preferred embodiment, the lower socket 40 has the same structure as the upper socket 30, and both ends of the lower socket are connected with the socket in a compression mode, so that the installation is convenient.
In another embodiment, the lower socket 40 has a structure different from that of the upper socket 30, and the lower socket 40 is provided as an internal thread or an external thread or a socket or a movable thread, so as to meet various pipeline scene requirements and improve the application range.
In addition, first pipe portion 31 and the inner wall of upper tube portion 10 form the radian step, make things convenient for the low spacing of pressing of inside pipeline, are favorable to closely docking, strengthen the use.
In other embodiments, the upper socket 30 and the lower socket 40 have different inner diameters. In addition, the inner diameters of the upper socket 30 and the lower socket 40 can be the same, and the upper socket and the lower socket can be adjusted adaptively according to different pipelines, which is not limited by the utility model.
In conclusion, the upper pipe part 10 and the lower pipe part 20 which are formed by stretching and extruding the thin-wall steel pipe are welded with each other to form the double-90-degree elbow pipe fitting body, so that the double-90-degree elbow pipe fitting body can meet the use requirement of a narrow space, can realize the steering of the pipeline on two planes, and has the advantages of low cost and reduction of the number of connecting points from 4 to 2.
While the foregoing description shows and describes several preferred embodiments of the utility model, it is to be understood, as noted above, that the utility model is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (7)
1. The utility model provides a double 90 elbow pipe fittings of thin wall carbon steel are connected to crimping formula, includes elbow pipe fitting body, its characterized in that, elbow pipe fitting body includes:
the upper pipe part is formed by stretching and extruding a thin-wall steel pipe and is bent by 90 degrees, one end of the upper pipe part is provided with a welding line, and the other end of the upper pipe part is provided with an upper bell mouth;
the lower pipe part is formed by stretching and extruding a thin-wall steel pipe and is bent by 90 degrees, one end of the lower pipe part is provided with a welding line, and the other end of the lower pipe part is provided with a lower bellmouth;
the upper pipe part and the lower pipe part are welded through welding seams of the upper pipe part and the lower pipe part, and the planes of the upper bellmouth and the lower bellmouth are not on the same plane; wherein the upper socket comprises:
a first pipe portion having an inner diameter greater than the upper pipe portion inner diameter;
the second end portion, the second end portion extend in first pipe portion, and have the indent slot, the indent slot is used for inlaying and establishes the sealing washer.
2. A crimp connection thin-walled carbon steel double 90 ° elbow fitting as claimed in claim 1 wherein an inner end of the second end portion extends beyond the first tube portion and an outer end inner diameter of the second end portion is greater than an inner end inner diameter.
3. A crimp connection thin-walled carbon steel double 90 ° elbow fitting as claimed in claim 2 wherein the lower socket structure is the same as the upper socket structure.
4. A crimp connection thin-walled carbon steel double 90 ° elbow fitting as claimed in claim 2 wherein the lower socket formation is different from the upper socket formation, the lower socket being provided as an internal or external socket or spigot.
5. A crimp connection thin-walled carbon steel double 90 ° elbow fitting as claimed in claim 2 wherein the first tube section forms a curved step with the upper tube section inner wall.
6. A crimp connection thin-walled carbon steel double 90 ° elbow fitting as claimed in claim 3 wherein the upper socket and the lower socket are of different internal diameters.
7. A crimp connection thin-walled carbon steel double 90 ° elbow fitting as claimed in claim 3 wherein the upper socket and the lower socket are of the same internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120891500.4U CN215950729U (en) | 2021-04-27 | 2021-04-27 | Crimping type connecting thin-wall carbon steel double 90-degree elbow pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120891500.4U CN215950729U (en) | 2021-04-27 | 2021-04-27 | Crimping type connecting thin-wall carbon steel double 90-degree elbow pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215950729U true CN215950729U (en) | 2022-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120891500.4U Active CN215950729U (en) | 2021-04-27 | 2021-04-27 | Crimping type connecting thin-wall carbon steel double 90-degree elbow pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215950729U (en) |
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2021
- 2021-04-27 CN CN202120891500.4U patent/CN215950729U/en active Active
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