CN212156212U - Socket joint formula PVC arc return bend - Google Patents

Abstract

The utility model discloses a socket joint formula PVC arc return bend, including a return bend, a bell and spigot spare of return bend top end fixedly connected with, a bell and spigot spare surface is equipped with the connection external screw thread, return bend bottom fixedly connected with one-level flange, a return bend bottom is through one-level flange fixedly connected with one-level outer tube, a return bend top is equipped with No. two return bends, No. two return bends are close to the inside internal thread of being connected that is equipped with and is connected external screw thread looks adaptation of return bend one end, a return bend carries out threaded connection through the internal thread of being connected of connecting external screw thread and No. two return bends, a return bend and No. two return bend junction surface covers and is equipped with lantern ring mechanism, beneficial: this kind of structural design's arc return bend, connection work between the completion return bend that can be extremely convenient has better structural strength simultaneously, and the external sealing performance is good, can not take place to reveal the condition after using for a long time yet, and performance is strong, simple structure, and is rationally distributed, is fit for using widely.

Description

Socket joint formula PVC arc return bend

Technical Field

The utility model relates to a tubular product technical field especially relates to a specifically be socket joint formula PVC arc return bend.

Background

The water pipe is a water supply pipeline, modern decoration water pipes are constructed in a wall-buried mode, the water pipes are classified into three types, the first type is a metal pipe such as an inner-lined plastic hot-dip cast iron pipe, a copper pipe, a stainless steel pipe and the like, the second type is a plastic composite metal pipe such as a plastic composite steel pipe, an aluminum-plastic composite pipe and the like, and the third type is a plastic pipe such as PB, PP-R and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a socket joint formula PVC arc return bend to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: socket joint formula PVC arc return bend, including a return bend, a bell and spigot spare of return bend top end fixedly connected with, a bell and spigot spare surface is equipped with the connection external screw thread, return bend bottom fixedly connected with one-level flange, the return bend bottom is through one-level flange fixedly connected with one-level outer tube, a return bend top is equipped with No. two return bends, No. two return bends are close to the inside internal thread of being connected that is equipped with and is connected external screw thread looks adaptation of return bend one end, No. one return bend carries out threaded connection through the internal thread of being connected of connecting external screw thread and No. two return bends, a return bend and No. two return bend junction surface covers and is equipped with lantern ring mechanism.

Preferably, No. two return bends bottom has the second grade flange through fixing bolt fixed mounting, No. two return bends pass through second grade flange fixedly connected with second grade outer tube, No. one return bend and No. two return bends inside all is equipped with the supporting layer.

Preferably, the lantern ring mechanism includes the one-level lantern ring, the second grade lantern ring, sealed protection pad, lantern ring connecting seat and connecting bolt, the one-level lantern ring is the semi-circular structural design with the second grade lantern ring, equal fixed mounting has sealed protection pad on the one-level lantern ring and the second grade lantern ring inner wall, fixed mounting has the lantern ring connecting seat on the outer wall of both ends about the one-level lantern ring and the second grade lantern ring, and is adjacent through connecting bolt fixed connection between the lantern ring connecting seat.

Preferably, the sealing protection pad is made of elastic rubber materials, and the primary lantern ring and the secondary lantern ring jointly form a circular ring structure.

Preferably, the first bent pipe and the second bent pipe are both made of hard stainless steel materials.

Compared with the prior art, the beneficial effects of the utility model are that:

1. by arranging the first socket piece at the top end of the first elbow pipe, arranging the connecting external thread on the outer surface of the first socket piece, arranging the connecting internal thread inside the top end of the second elbow pipe, when the first elbow pipe and the second elbow pipe are required to be connected, the first socket piece of the first elbow pipe can be inserted into the through hole of the second elbow pipe, thereby the connecting external thread of the first socket piece is connected with the connecting internal thread of the second elbow pipe, thereby achieving the fixed connection effect of the elbow pipe, the support layers are arranged in the first bent pipe and the second bent pipe, so that the internal structural strength of the bent pipes can be improved through the arranged support layers, thereby effectively improve structural strength, have better compressive property, performance is good, and one-level outer tube and second grade outer tube can be connected through the one-level flange that sets up and second grade flange to conveniently carry out the pipe connection, it is convenient to use.

2. The sleeve ring mechanism is sleeved outside the joint of the first bent pipe and the second bent pipe, the sealing protection pads are arranged on the inner walls of the first-stage sleeve ring and the second-stage sleeve ring, the joint of the first bent pipe and the second bent pipe can be sealed and protected by the arranged sealing protection pads, so that water leakage caused by gaps at the joint can be effectively prevented, the sealing property of a pipeline is improved, the sleeve ring connecting seats are arranged on the first-stage sleeve ring and the second-stage sleeve ring, two adjacent sleeve ring connecting seats can be fixedly connected by the arranged connecting bolts, the connection work between the first-stage sleeve ring and the second-stage sleeve ring is finished, the using performance is strong, the disassembly is convenient, and in sum, the arc-shaped bent pipe with the structural design can extremely conveniently finish the connection work between the bent pipes, has better structural strength, has good external sealing performance, and can not leak after being used for a long time, the service performance is strong, simple structure, and is rationally distributed, is fit for using widely.

Drawings

In order to illustrate more clearly the embodiments of the invention or the solutions of the prior art, reference will now be made briefly to the attached drawings that are needed in the description of the embodiments or the prior art, it being understood that the drawings in the description illustrate only some embodiments of the invention and are therefore not to be considered limiting of its scope, and that, to a person skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the split structure of the present invention;

FIG. 3 is a schematic structural diagram of the collar mechanism of the present invention;

fig. 4 is a schematic view of the connection internal thread structure of the present invention.

Description of reference numerals: 1. a first bent pipe; 2. a collar mechanism; 21. a primary collar; 22. a secondary collar; 23. sealing the protection pad; 24. a ferrule connection base; 25. a connecting bolt; 3. a first socket piece; 4. connecting external threads; 5. a primary flange; 6. a primary outer tube; 7. a second bent pipe; 8. a secondary flange; 9. a secondary outer tube; 10. connecting the internal threads; 11. and (4) a support layer.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: socket joint formula PVC arc return bend, including return bend 1, a 1 top fixedly connected with socket joint spare 3 of return bend, 3 surface of socket joint spare are equipped with connection external screw thread 4, 1 bottom fixedly connected with one-level flange 5 of return bend, 1 bottom of return bend is through 5 fixedly connected with one-level outer tubes 6 of one-level flange, 1 top of return bend is equipped with No. two return bends 7, No. two return bends 7 are close to the inside internal thread 10 of being connected that is equipped with and is connected external screw thread 4 looks adaptation of 1 one end of return bend, return bend 1 carries out threaded connection through the internal thread 10 of being connected of connecting external screw thread 4 with No. two return bends 7, thereby can accomplish the jointing operation between the pipeline, conveniently dismantle and install simultaneously, the surface cover of the junction of No. one return bend 1 and No. two return bends 7 is equipped with lantern.

The bottom end of the second bent pipe 7 is fixedly provided with a second-level flange 8 through a fixing bolt, the second bent pipe 7 is fixedly connected with a second-level outer pipe 9 through the second-level flange 8, a supporting layer 11 is arranged inside the first bent pipe 1 and the second bent pipe 7, the internal structural strength of the bent pipe can be improved through the arranged supporting layer 11, the structural strength is effectively improved, the pressure resistance is good, the use performance is good, the lantern ring mechanism 2 comprises a first-level lantern ring 21, a second-level lantern ring 22, a sealing protection pad 23, a lantern ring connecting seat 24 and a connecting bolt 25, the first-level lantern ring 21 and the second-level lantern ring 22 are both in semicircular structural design, the sealing protection pad 23 is fixedly arranged on the inner walls of the first-level lantern ring 21 and the second-level lantern ring 22, the joint of the first bent pipe 1 and the second bent pipe 7 can be sealed and, increase the leakproofness of pipeline, fixed mounting has lantern ring connecting seat 24 on the outer wall of both ends about the one-level lantern ring 21 and the second grade lantern ring 22, through connecting bolt 25 fixed connection between the adjacent lantern ring connecting seat 24, and sealing protection pad 23 is made for elastic rubber material, and the one-level lantern ring 21 constitutes a ring structure with the second grade lantern ring 22 jointly, and No. 1 return bend and No. 7 return bends all adopt the stainless steel material of stereoplasm to make.

When in use, the first socket piece 3 is arranged at the top end of the first elbow 1, the outer surface of the first socket piece 3 is provided with the connecting external thread 4, the connecting internal thread 10 is arranged inside the top end of the second elbow 7, when the first elbow 1 and the second elbow 7 are required to be connected, the first socket piece 3 provided with the first elbow 1 can be inserted into the through hole of the second elbow 7, so that the connecting external thread 4 of the first socket piece 3 is connected with the connecting internal thread 10 of the second elbow 7, thereby achieving the fixed connection effect of the elbows, the supporting layers 11 are arranged inside the first elbow 1 and the second elbow 7, the internal structural strength of the elbows can be improved through the arranged supporting layers 11, thereby effectively improving the structural strength, having better compression resistance and good service performance, the first-level flange 5 and the second-level flange 8 can be connected with the first-level outer pipe 6 and the second-level outer pipe 9, thereby conveniently carrying out pipeline connection, the use is convenient, the lantern ring mechanism 2 is sleeved outside the joint of the first elbow pipe 1 and the second elbow pipe 7, the sealing protection pad 23 is arranged on the inner walls of the first-stage lantern ring 21 and the second-stage lantern ring 22, the joint of the first elbow pipe 1 and the second elbow pipe 7 can be sealed and protected by the arranged sealing protection pad 23, thereby effectively preventing the joint from generating gaps to cause water leakage and increasing the tightness of the pipeline, the lantern ring connecting seats 24 are arranged on the first-stage lantern ring 21 and the second-stage lantern ring 22, the two adjacent lantern ring connecting seats 24 can be fixedly connected by the arranged connecting bolts 25, thereby completing the connection work between the first-stage lantern ring 21 and the second-stage lantern ring 22, the service performance is strong, and the disassembly is convenient at the same time, in conclusion, the arc-shaped elbow pipe with the structural design can extremely conveniently complete the connection work between the elbow, have better structural strength simultaneously, and the external sealing performance is good, can not take place to reveal the condition after using for a long time yet, performance is strong, simple structure, and is rationally distributed, is fit for using widely.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments without departing from the spirit or scope of the present invention.

Claims (5)

1. The socket joint type PVC arc-shaped bent pipe is characterized by comprising a first bent pipe (1), the top end of the first elbow (1) is fixedly connected with a first socket piece (3), the outer surface of the first socket piece (3) is provided with a connecting external thread (4), the bottom end of the first bent pipe (1) is fixedly connected with a first-level flange (5), the bottom end of the first bent pipe (1) is fixedly connected with a first-level outer pipe (6) through the first-level flange (5), a second bent pipe (7) is arranged at the top end of the first bent pipe (1), a connecting internal thread (10) matched with the connecting external thread (4) is arranged inside one end of the second bent pipe (7) close to the first bent pipe (1), the first elbow (1) is in threaded connection with the connecting internal thread (10) of the second elbow (7) through the connecting external thread (4), the outer surface of the joint of the first elbow (1) and the second elbow (7) is sleeved with a lantern ring mechanism (2).

2. The socket-and-spigot PVC curved elbow pipe according to claim 1, wherein: no. two return bends (7) bottom has second grade flange (8) through fixing bolt fixed mounting, No. two return bends (7) are through second grade flange (8) fixedly connected with second grade outer tube (9), return bend (1) and No. two return bends (7) inside all is equipped with supporting layer (11).

3. The socket-and-spigot PVC curved elbow pipe according to claim 1, wherein: lantern ring mechanism (2) include the one-level lantern ring (21), the second grade lantern ring (22), sealed protection pad (23), lantern ring connecting seat (24) and connecting bolt (25), the one-level lantern ring (21) and the second grade lantern ring (22) are the semi-circular structural design, equal fixed mounting has sealed protection pad (23) on the one-level lantern ring (21) and the second grade lantern ring (22) inner wall, fixed mounting has lantern ring connecting seat (24) on the outer wall of both ends about the one-level lantern ring (21) and the second grade lantern ring (22), and is adjacent through connecting bolt (25) fixed connection between the lantern ring connecting seat (24).

4. The bell and spigot PVC arcuate elbow pipe of claim 3, wherein: the sealing protection pad (23) is made of elastic rubber materials, and the primary lantern ring (21) and the secondary lantern ring (22) jointly form a circular ring structure.

5. The socket-and-spigot PVC curved elbow pipe according to claim 1, wherein: the first bent pipe (1) and the second bent pipe (7) are both made of hard stainless steel materials.

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