CN211779592U - Elbow capable of preventing outer surface from falling off - Google Patents
Elbow capable of preventing outer surface from falling off Download PDFInfo
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- CN211779592U CN211779592U CN201922376723.2U CN201922376723U CN211779592U CN 211779592 U CN211779592 U CN 211779592U CN 201922376723 U CN201922376723 U CN 201922376723U CN 211779592 U CN211779592 U CN 211779592U
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- pipe section
- nickel
- straight pipe
- falling
- elbow
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Abstract
The utility model relates to a return bend that prevents that surface from droing passes through nickel-plated zinc alloy layer in the surface of whole pipeline, and control nickel-zinc alloy layer thickness more than 35mm, because nickel is hard and have good ductility, consequently the pipeline can prevent effectively that the surface department of bending from droing at the in-process of bending, the outward appearance nature of keeping the pipeline, also control below thickness 50mm simultaneously, guarantee cost can not be too high, the raw materials can not be extravagant, the length of the first straight tube section of rethread control both sides and second straight tube section is 85mm ~ 217mm, the angle of bending 45 ~ 90 degrees further prevent that the angle is too big and lead to the zinc layer of surface to drop.
Description
[ technical field ] A method for producing a semiconductor device
The application relates to a bent pipe, in particular to a bent pipe capable of preventing a zinc layer on the outer surface from falling off.
[ background of the invention ]
The return bend all can be used to the pipeline often in the concatenation of corner, and the return bend is exactly through bending the straight tube pipeline in proportion and forming the return bend, but the process of bending makes the zinc layer of both sides drop easily and influences the outward appearance of pipeline surface and feels.
Therefore, how to design a bent pipe for preventing the zinc layer on the outer surface from falling off becomes a problem to be solved.
[ Utility model ] content
The utility model discloses a purpose aims at solving among the prior art and bends the straight tube pipeline into the return bend and lead to the problem that the zinc layer of the department of bending drops easily, and this technical scheme provides a return bend that prevents the surface and drop.
In order to achieve the purpose, the technical scheme is as follows:
the utility model provides a prevent return bend that surface drops, includes first straight tube section, second straight tube section and locates first straight tube section with bend section between the second straight tube section, first straight tube section second straight tube section with the bend section surface is equipped with the nickel-zinc alloy layer, the nickel-zinc alloy layer thickness is 35mm ~ 50mm, first straight tube section length is 85mm ~ 217mm, second straight tube section length is 85mm ~ 217mm, the angle of bend section is 45 ~ 90 degrees.
Furthermore, a threaded connecting part is arranged on one side of the first straight pipe section, a sealing ring is further arranged on the first straight pipe section, and a groove for placing the sealing ring is further formed in the first straight pipe section.
Furthermore, the groove extends to the sealing ring to form a limiting part, and the height of the limiting part is lower than that of the sealing ring.
Further, the inner side of the limiting part is arc-shaped.
Further, the recess is equipped with the through-hole, the sealing washer downside is equipped with and inserts the plug connector of through-hole, the plug connector downside is equipped with the buckle that can take place deformation.
Furthermore, the inner walls of the first straight pipe section, the second straight pipe section and the bent pipe section are all provided with a nickel-based alloy anticorrosive coating.
Further, the thickness of the nickel-based alloy anticorrosive layer is 3-5 mm.
The utility model has the advantages that:
1. the utility model discloses a nickel-plated zinc alloy layer is in the surface of whole pipeline, and control nickel-plated zinc alloy layer thickness more than 35mm, because nickel is hard and have good ductility, consequently the pipeline can prevent effectively that the surface department of bending from droing at the in-process of bending, the outward appearance nature of pipeline keeps, also control below thickness 50mm simultaneously, the cost of assurance can not be too high, the raw materials can not be extravagant, the length of the first straight tube section of rethread control both sides and second straight tube section is 85mm ~ 217mm, the angle 45 ~ 90 degrees of bending prevent further that the angle is too big and lead to the zinc layer of surface to drop.
2. The utility model discloses be provided with the recess of putting the sealing washer in the front end of first straight tube section, make concatenation department have good sealed effect through the extrusion sealing washer during the concatenation.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of an elbow construction of the present application for preventing the outer surface from falling off;
FIG. 2 is an exploded view of an elbow of the present application for preventing the outer surface from falling out.
[ detailed description ] embodiments
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the terms are used for distinguishing only when they do express the ordinal order in context.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 2, the elbow capable of preventing the outer surface from falling off includes a first straight pipe section 1, a second straight pipe section 2, and a bent pipe section 4 disposed between the first straight pipe section 1 and the second straight pipe section 2, wherein a nickel-zinc alloy layer is disposed on the outer surfaces of the first straight pipe section 1, the second straight pipe section 2, and the bent pipe section 4, the thickness of the nickel-zinc alloy layer is 35mm to 50mm, the length of the first straight pipe section 1 is 85mm, the length of the second straight pipe section 2 is 85mm, and the angle of the bent pipe section 4 is 45 degrees.
The utility model discloses a nickel-plated zinc alloy layer is in the surface of whole pipeline, and control nickel-plated zinc alloy layer thickness more than 35mm, because nickel is hard and have good ductility, consequently the pipeline can prevent effectively that the surface department of bending from droing at the in-process of bending, the outward appearance nature of pipeline keeps, also control below thickness 50mm simultaneously, the cost of assurance can not be too high, the raw materials can not be extravagant, the length of the first straight tube section of rethread control both sides and second straight tube section is 85mm ~ 217mm, the angle 45 ~ 90 degrees of bending prevent further that the angle is too big and lead to the zinc layer of surface to drop.
Preferably, one side of the first straight pipe section 1 is provided with a connecting part 101 with a thread 3, the first straight pipe section 1 is further provided with a sealing ring 5, the first straight pipe section 1 is further provided with a groove 6 for placing the sealing ring 5, the sealing ring is usually placed on a joint in the prior art, the sealing ring is extruded through a pipeline after splicing to ensure that the spliced part has a good sealing effect, the splicing has some defects, when the sealing ring is deformed after being extruded for a long time and needs to be replaced, the sealing ring is usually placed in the joint for long time and is extruded for a long time, a little adhesion is difficult to take out, a tool is difficult to stretch into, and the sealing ring is difficult to be placed in a proper position in the joint when being installed, so that the sealing ring is arranged on the pipeline, the sealing ring 5 is sleeved on the connecting part 101 and then placed on the groove 6 between the outer wall of the connecting part, a good sealing effect can be achieved by squeezing the sealing ring 5 through the joint.
Preferably, the groove 6 extends to the sealing ring 5 to form a limiting portion 61, the height of the limiting portion 61 is lower than the height of the sealing ring 5, the limiting portion 61 is used for clamping a main sealing ring, and after the limiting portion 61 is lower than the sealing ring 5, a part of the upper side of the sealing ring 5 deforms to the upper side of the limiting portion to further enhance the sealing effect.
Preferably, the inner side of the limiting part 61 is arc-shaped, and since a part of the upper side of the sealing ring 5 is deformed to the upper side of the limiting part after being pressed, if the inner side of the limiting part 61 is right-angled, the sealing ring is easy to damage after being placed for a long time, and therefore, the inner side of the limiting part 61 is arc-shaped, and the sealing ring is damaged after being placed.
Preferably, recess 6 is equipped with through-hole 62, sealing washer 5 downside is equipped with and inserts through-hole 62's plug connector 51, plug connector 51 downside is equipped with buckle 52 that can take place deformation, and plug connector 51 is the plastics material with buckle 52, can take place deformation, can fix the sealing washer after inserting through-hole 62 with plug connector 51, and the sealing washer location of also saying prevents that the error of mounted position leads to sealed effect not good.
Preferably, the inner walls of the first straight pipe section 1, the second straight pipe section 2 and the bent pipe section 4 are all provided with nickel-based alloy anticorrosive coatings, so that the high-strength and high-corrosion-resistance steel pipe has high strength and can still keep high working performance and long service life under severe working conditions.
Preferably, the thickness of the nickel-based alloy anticorrosive layer is 3-5 mm, the appropriate thickness has high strength and good corrosion resistance, good working performance and service life can be still kept under severe working conditions, and low cost can be guaranteed.
The utility model discloses a nickel-plated zinc alloy layer is in the surface of whole pipeline, and control nickel-plated zinc alloy layer thickness more than 35mm, because nickel is hard and have good ductility, consequently the pipeline can prevent effectively that the surface department of bending from droing at the in-process of bending, the outward appearance nature of pipeline keeps, also control below thickness 50mm simultaneously, the cost of assurance can not be too high, the raw materials can not be extravagant, the length of the first straight tube section of rethread control both sides and second straight tube section is 85mm ~ 217mm, the angle 45 ~ 90 degrees of bending prevent further that the angle is too big and lead to the zinc layer of surface to drop.
The above description is only for the purpose of illustrating the preferred embodiments of the present application and is not intended to limit the scope of the present application, which is within the scope of the present application, except that the same or similar principles and basic structures as the present application may be used.
Claims (7)
1. The utility model provides a prevent return bend that surface drops which characterized in that: the nickel-zinc alloy bent pipe comprises a first straight pipe section (1), a second straight pipe section (2) and a bent pipe section (4) arranged between the first straight pipe section (1) and the second straight pipe section (2), wherein a nickel-zinc alloy layer is arranged on the outer surface of the first straight pipe section (1) and the outer surface of the second straight pipe section (2) and the outer surface of the bent pipe section (4), the thickness of the nickel-zinc alloy layer is 35 mm-50 mm, the length of the first straight pipe section (1) is 85 mm-217 mm, the length of the second straight pipe section (2) is 85 mm-217 mm, and the bending angle of the bent pipe section (4) is 45-90 degrees.
2. The elbow pipe according to claim 1, wherein the outer surface of the elbow pipe is prevented from falling off: one side of the first straight pipe section (1) is provided with a connecting part (101) with threads (3), the first straight pipe section (1) is further provided with a sealing ring (5), and the first straight pipe section (1) is further provided with a groove (6) for placing the sealing ring (5).
3. The elbow pipe according to claim 2, wherein the outer surface of the elbow pipe is prevented from falling off: the groove (6) extends towards the sealing ring (5) to form a limiting part (61), and the height of the limiting part (61) is lower than that of the sealing ring (5).
4. A pipe bend according to claim 3 for preventing the falling of the outer surface, wherein: the inner side of the limiting part (61) is arc-shaped.
5. The elbow pipe according to claim 4, wherein the outer surface of the elbow pipe is prevented from falling off: recess (6) are equipped with through-hole (62), sealing washer (5) downside is equipped with and inserts plug connector (51) of through-hole (62), plug connector (51) downside is equipped with buckle (52) that can take place deformation.
6. The elbow pipe according to claim 5, wherein the outer surface of the elbow pipe is prevented from falling off: and the inner walls of the first straight pipe section (1), the second straight pipe section (2) and the bent pipe section (4) are all provided with a nickel-based alloy anticorrosive coating.
7. The elbow pipe according to claim 6, wherein the outer surface of the elbow pipe is prevented from falling off: the thickness of the nickel-based alloy anticorrosive layer is 3-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922376723.2U CN211779592U (en) | 2019-12-25 | 2019-12-25 | Elbow capable of preventing outer surface from falling off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922376723.2U CN211779592U (en) | 2019-12-25 | 2019-12-25 | Elbow capable of preventing outer surface from falling off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211779592U true CN211779592U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922376723.2U Active CN211779592U (en) | 2019-12-25 | 2019-12-25 | Elbow capable of preventing outer surface from falling off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211779592U (en) |
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2019
- 2019-12-25 CN CN201922376723.2U patent/CN211779592U/en active Active
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