CN213117856U - Stainless steel pipe fitting convenient to installation - Google Patents
Stainless steel pipe fitting convenient to installation Download PDFInfo
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- CN213117856U CN213117856U CN202021963088.4U CN202021963088U CN213117856U CN 213117856 U CN213117856 U CN 213117856U CN 202021963088 U CN202021963088 U CN 202021963088U CN 213117856 U CN213117856 U CN 213117856U
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- steel pipe
- concave ring
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Abstract
A stainless steel pipe fitting convenient to install comprises a stainless steel pipe and a pipe joint, wherein an external thread is arranged at the connecting end of the stainless steel pipe, a flanging is further arranged on the end face of the connecting end, a first concave ring is arranged on the outer wall of the stainless steel pipe, close to the external thread, a second concave ring and a third concave ring are arranged on the first concave ring, and a first sealing ring is arranged at the first concave ring; the pipe joint is characterized in that an internal thread is arranged at the connecting end of the pipe joint, an expanding opening is further arranged on the end face of the connecting end, a baffle ring table is arranged on the inner wall of the pipe joint and on the right side of the internal thread, an internal convex ring is arranged on the right side of the internal thread and on the left side of the baffle ring table, and a second sealing ring is arranged on the left side of the baffle ring table and corresponding to; the utility model discloses simple structure, interior tooth and outer tooth cooperation carry out the thread joint, connect and dismantle conveniently, and the sealing washer adopts polytetrafluoroethylene, and the anti corrosion type is strong, high temperature resistant, for the deformation sealing washer design after being extruded has concave ring and bulge loop, guarantees the life of sealing washer when reaching sealed effect.
Description
Technical Field
The utility model relates to a technical field is connected to nonrust steel pipe, concretely relates to nonrust steel pipe fitting convenient to installation.
Background
The stainless steel pipe is a hollow long-strip round steel material, and is mainly widely used for industrial conveying pipelines, mechanical structural parts and the like in petroleum, chemical industry, medical treatment, food, light industry, mechanical instruments and the like. In addition, since the steel sheet is light in weight when it is bent and has the same torsional strength, it is widely used for manufacturing machine parts and engineering structures. In drinking water, stainless steel pipes are clearly the first resort. Therefore, the connection between the stainless steel pipes is indispensable.
At present, the connection mode of clamping pressure is generally adopted for the connection between stainless steel pipes, the connection mode comprises double clamping pressure, ring pressure and single clamping pressure, certain pressure is applied to the connection mode by extra equipment, and the connection mode is troublesome to operate and cannot be disassembled. If a connection error occurs during the connection process, the pipe is easily deformed, and finally the pipe is scrapped.
SUMMERY OF THE UTILITY MODEL
In order to solve the above background technical problem, the utility model provides a stainless steel pipe fitting convenient to installation is applicable to the less occasion that perhaps does not have pressure of pressure, can connect at any time and dismantle as required, need not be with the help of extra instrument, and sealing performance is reliable.
The utility model adopts the following technical scheme:
a stainless steel pipe fitting convenient to install comprises a stainless steel pipe and a pipe joint, wherein an external thread is arranged at the connecting end of the stainless steel pipe, a flanging is further arranged on the end face of the connecting end, a first concave ring is arranged on the outer wall of the stainless steel pipe, close to the external thread, a second concave ring and a third concave ring are arranged on the first concave ring, and a first sealing ring is arranged at the first concave ring; the pipe joint is characterized in that an internal thread is arranged at the connecting end of the pipe joint, an expanding opening is further formed in the end face of the connecting end, a retaining ring table is arranged on the right side of the internal thread on the inner wall of the pipe joint, an inner convex ring is arranged on the left side of the retaining ring table on the right side of the internal thread, and a second sealing ring is arranged on the left side of the retaining ring table and corresponds to the inner.
As an optimized technical scheme of the utility model, first sealing washer with the second sealing washer is polytetrafluoroethylene.
As an optimal technical scheme of the utility model, the flaring inclination is 1 ~ 3.
As an optimized technical scheme of the utility model, interior bulge loop is the trapezium structure.
As a preferred technical solution of the present invention, the second concave ring and the third concave ring are rectangular structures.
The utility model discloses simple structure, interior tooth and outer tooth cooperation carry out the thread joint, connect and dismantle conveniently, and the sealing washer adopts polytetrafluoroethylene, and the anti corrosion type is strong, high temperature resistant, for the deformation sealing washer design after being extruded has concave ring and bulge loop, guarantees the life of sealing washer when reaching sealed effect.
Drawings
FIG. 1 is a schematic cross-sectional view of a stainless steel pipe fitting of the present invention, which is easy to install;
FIG. 2 is a schematic view of a cross-section of a stainless steel pipe fitting of the present invention for easy installation;
FIG. 3 is a concave ring diagram of a stainless steel pipe fitting easy to install according to the present invention;
the symbols in the drawings illustrate that:
1: stainless steel pipe, 2: pipe joint, 3: external thread, 4: flanging, 5: first concave ring, 6: second concave ring, 7: third concave ring, 8: first seal ring, 9: internal thread, 10: flare, 11: retaining ring platform, 12: inner collar, 13: and a second seal ring.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the stainless steel pipe fitting convenient to mount comprises a stainless steel pipe 1 and a pipe joint 2, wherein an external thread 3 is arranged at the connecting end of the stainless steel pipe 1, a flange 4 is further arranged on the end face of the connecting end, a first concave ring 5 is arranged on the outer wall of the stainless steel pipe 1 close to the external thread 3, a second concave ring 6 and a third concave ring 7 are arranged on the first concave ring 5, the second concave ring 6 and the third concave ring 7 are of rectangular structures, and a first sealing ring 8 is arranged on the first concave ring 5. The pipe joint is characterized in that an internal thread 9 is arranged at the connecting end of the pipe joint 2, a flaring 10 is further arranged on the end face of the connecting end, the inclination of the flaring 10 is 1-3 degrees, a retaining ring table 11 is arranged on the right side of the internal thread 9 on the inner wall of the pipe joint 2, an inner collar 12 is arranged on the right side of the internal thread 9 and on the left side of the retaining ring table 11, the inner collar 12 is of a trapezoidal structure, a second sealing ring 13 is arranged on the left side of the retaining ring table 11 and corresponding to the inner collar 12, and the first sealing ring 8 and the second sealing ring. The design of the concave ring and the convex ring provides space for the sealing ring after being extruded.
Carrying out threaded connection with stainless steel pipe 1 and coupling 2, turn-ups 4 and the second sealing washer 13 contact in the coupling 2 of stainless steel pipe 1, extrude second sealing washer 13 under the effect of screw thread power and seal, the second sealing washer 13 partly gets into trapezoidal inner collar 12 department after being extruded, simultaneously, first sealing washer 8 on the stainless steel pipe 1 outer wall is through flaring 10, carry out the sealed between stainless steel pipe 1 outer wall and the coupling 2 inner wall under the effect of screw thread power, 8 partly entering rectangle second concave ring 6 and the third concave ring 7 of the first sealing washer of after being extruded.
Interior tooth carries out threaded connection with the cooperation of outer tooth, and it is convenient to connect and dismantle, and the sealing washer adopts polytetrafluoroethylene, and the corrosion-resistant type is strong, high temperature resistant, for the deformation sealing washer design after being extruded has concave ring and bulge loop, guarantees the life of sealing washer when reaching sealed effect.
Finally, it should be noted that: these embodiments are merely illustrative of the present invention and do not limit the scope of the invention. In addition, other variations and modifications will be apparent to persons skilled in the art based on the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.
Claims (5)
1. A stainless steel pipe fitting convenient to install comprises a stainless steel pipe (1) and a pipe joint (2), wherein an external thread (3) is arranged at the connecting end of the stainless steel pipe (1), a flanging (4) is further arranged on the end face of the connecting end, a first concave ring (5) is arranged on the outer wall of the stainless steel pipe (1) close to the external thread (3), a second concave ring (6) and a third concave ring (7) are arranged on the first concave ring (5), and a first sealing ring (8) is arranged on the first concave ring (5); the pipe joint is characterized in that an inner thread (9) is arranged at the connecting end of the pipe joint (2), a flaring (10) is further arranged on the end face of the connecting end, a retaining ring table (11) is arranged on the right side of the inner wall of the pipe joint (2) and the inner thread (9), an inner collar (12) is arranged on the right side of the inner thread (9) and the left side of the retaining ring table (11), and a second sealing ring (13) is arranged on the left side of the retaining ring table (11) and corresponds to the inner collar (12.
2. Stainless steel pipe fitting for easy installation according to claim 1, wherein the first sealing ring (8) and the second sealing ring (13) are of teflon.
3. Stainless steel pipe fitting easy to install according to claim 1, wherein the inclination of the flaring (10) is 1-3 degrees.
4. Stainless steel pipe fitting for easy installation according to claim 1, wherein the inner collar (12) has a trapezoidal structure.
5. Stainless steel pipe fitting for easy installation according to claim 1, wherein the second female ring (6) and the third female ring (7) are of rectangular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021963088.4U CN213117856U (en) | 2020-09-10 | 2020-09-10 | Stainless steel pipe fitting convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021963088.4U CN213117856U (en) | 2020-09-10 | 2020-09-10 | Stainless steel pipe fitting convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213117856U true CN213117856U (en) | 2021-05-04 |
Family
ID=75661112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021963088.4U Active CN213117856U (en) | 2020-09-10 | 2020-09-10 | Stainless steel pipe fitting convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213117856U (en) |
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2020
- 2020-09-10 CN CN202021963088.4U patent/CN213117856U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |