CN211175846U

CN211175846U - Combined stainless steel bent pipe

Info

Publication number: CN211175846U
Application number: CN201921787250.9U
Authority: CN
Inventors: 杨家海
Original assignee: Nanjing Chuangtong Pipe Co Ltd
Current assignee: Nanjing Chuangtong Pipe Co Ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-08-04
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a combination stainless steel return bend belongs to the nonrust steel pipe field, a combination stainless steel return bend, including the return bend, the upper and lower both ends of return bend all are connected with the straight tube, be equipped with pipeline connection mechanism between straight tube and the return bend, pipeline connection mechanism includes the semi-ring down, it has last semi-ring to articulate on the semi-ring down, all cut on the intra-annular inner wall of lower semi-ring and last semi-ring with return bend and straight tube assorted seal groove, fixedly connected with sealing strip in the seal groove, the one end fixedly connected with extension plate of last semi-ring, threaded connection has set screw on the extension plate, cut on the outer wall of lower semi-ring have with set screw assorted thread groove, the lower extreme fixedly connected with base of lower semi-ring, it has a pair of spout to cut on the lateral wall of base, sliding connection has L type mounting panel in the spout, can realize that the junction that makes stainless steel.

Description

Combined stainless steel bent pipe

Technical Field

The utility model relates to a nonrust steel pipe field, more specifically say, relate to a combination stainless steel return bend.

Background

Stainless steel bent pipes are also one type of stainless steel special pipes, which are widely used for various structural members, tools and mechanical parts. Compared with a round pipe, the stainless steel special pipe generally has larger inertia moment and section modulus, has larger bending resistance and torsion resistance, can greatly reduce the structural weight and save steel.

When present stainless steel return bend straight tube is connected, its junction can install the seal frame additional mostly and seal, and present ordinary sealing member is mostly O type circle, uses in machinery, pipeline joint portion recess more, gets into recess and machinery or pipeline in close contact with play sealed effect through the extrusion mode, but the sealing member of this structure is relatively poor with the contact compactness of machinery, pipeline, and the space appears easily in the contact site, leads to gaseous or liquid to reveal, and sealed effect is poor.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a combination stainless steel return bend, it can realize making the junction of stainless steel return bend and straight tube have higher leakproofness, makes things convenient for the installation of pipeline.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a combination stainless steel return bend, includes the return bend, the upper and lower both ends of return bend all are connected with the straight tube, be equipped with pipeline coupling mechanism between straight tube and the return bend, pipeline coupling mechanism includes semi-ring down, it has last semi-ring to articulate on the semi-ring down, all cut on the intra-annular inner wall of semi-ring and last semi-ring down have with return bend and straight tube assorted seal groove, fixedly connected with sealing strip in the seal groove, the one end fixedly connected with extension board of last semi-ring, threaded connection has set screw on the extension board, cut on the outer wall of lower semi-ring have with set screw assorted thread groove, the lower extreme fixedly connected with base of semi-ring down, it has a pair of spout to cut on the lateral wall of base, sliding connection has L type mounting panel in the spout, threaded connection has locking screw on the L type mounting panel, cut on the spout have a plurality ofly and locking screw assorted spacing hole, make the junction of stainless steel return bend and straight tube have higher leakproofness.

Furthermore, lay the resin layer on the inner wall of return bend, be connected with the reinforcement ring on the resin layer, easily improve the structural strength of return bend.

Furthermore, a pair of reinforcing ribs is connected to the L type mounting plate, so that the L type mounting plate is not easy to bend.

Furthermore, the return bend is close to the one end of straight tube and digs annular groove, fixedly connected with and annular groove assorted snap ring on the straight tube, a plurality of sealing rings of fixedly connected with on the outer wall of snap ring make things convenient for the high-speed joint of straight tube and return bend, easily improve the leakproofness of being connected between straight tube and the return bend.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme makes the junction of stainless steel return bend and straight tube have higher leakproofness, makes things convenient for the installation of pipeline.

(2) The resin layer is laid on the inner wall of the bent pipe, and the reinforcing ring is connected to the resin layer, so that the structural strength of the bent pipe is easily improved.

(3) The L type mounting plate is connected with a pair of reinforcing ribs, so that the L type mounting plate is not easy to bend.

(4) The ring channel is dug to the one end that the return bend is close to the straight tube, fixedly connected with and ring channel assorted snap ring on the straight tube, fixedly connected with a plurality of sealing rings on the outer wall of snap ring make things convenient for the high-speed joint of straight tube and return bend, easily improve the leakproofness of being connected between straight tube and the return bend.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2;

fig. 4 is a cross-sectional view of the pipeline connecting mechanism of the present invention.

The reference numbers in the figures illustrate:

the structure comprises 1 bent pipe, 101 reinforcing rings, 102 resin layers, 2 straight pipes, 201 sealing rings, 3 pipeline connecting mechanisms, 301 lower half ring, 302 upper half ring, 303 sealing strip, 304 base, 305 extending plate, 4 fixing screws, 5L type mounting plate and 6 locking screws.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be 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.

Example 1:

referring to fig. 1, 2 and 3, a combined stainless steel elbow includes an elbow 1, a resin layer 102 is laid on an inner wall of the elbow 1, a reinforcing ring 101 is connected to the resin layer 102, the structural strength of the elbow 1 is easily improved, straight pipes 2 are connected to upper and lower ends of the elbow 1, an annular groove is cut at one end of the elbow 1 close to the straight pipes 2, a snap ring matched with the annular groove is fixedly connected to the straight pipes 2, and a plurality of sealing rings 201 are fixedly connected to an outer wall of the snap ring, so that the straight pipes 2 and the elbow 1 can be quickly connected, and the sealing performance of connection between the straight pipes 2 and the elbow 1 is easily improved.

Referring to fig. 2, 3 and 4, a pipeline connecting mechanism 3 is disposed between the straight pipe 2 and the bent pipe 1, the pipeline connecting mechanism 3 includes a lower half ring 301, an upper half ring 302 is hinged to the lower half ring 301, sealing grooves matched with the bent pipe 1 and the straight pipe 2 are formed in inner walls of the lower half ring 301 and the upper half ring 302, a sealing strip 303 is fixedly connected in the sealing groove, an extension plate 305 is fixedly connected to one end of the upper half ring 302, a fixing screw 4 is connected to the extension plate 305 through a thread, a thread groove matched with the fixing screw 4 is formed in an outer wall of the lower half ring 301, a base 304 is fixedly connected to a lower end of the lower half ring 301, a pair of sliding grooves are formed in a side wall of the base 304, an L-type mounting plate 5 is slidably connected to the sliding grooves, a pair of reinforcing ribs is connected to the L-type mounting plate 5, so that the L-type mounting plate 5 is not easily bent, a locking screw 6 is connected to the L.

The connecting part of the elbow pipe 1 and the straight pipe 2 is processed and sealed through the pipeline connecting mechanism 3, so that the connecting part of the straight pipe 2 and the elbow pipe 1 has high sealing performance, when the connecting part is installed, the connecting part of the straight pipe 2 and the elbow pipe 1 is tightly clamped through the lower half ring 301 and the upper half ring 302, then the fixing screw 4 is installed on the extending plate 305 to fix the lower half ring 301 and the upper half ring 302, after the lower half ring 301 and the upper half ring 302 are fixed through the fixing screw 4, the connecting part of the elbow pipe 1 and the straight pipe 2 is tightly clamped and sealed through the sealing strip 303 in the lower half ring 301 and the upper half ring 302, the sealing of the connecting part of the straight pipe 2 and the elbow pipe 1 is realized, a user can loosen the locking screw 6 and pull the L type mounting plate 5 to enable the locking screw 6 to be matched with limiting holes at different positions on the base 304, so that the distance of the elbow pipe 1 relative to the wall surface.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a combination stainless steel return bend, includes return bend (1), its characterized in that the upper and lower both ends of return bend (1) all are connected with straight tube (2), be equipped with between straight tube (2) and return bend (1) pipeline coupling mechanism (3), pipeline coupling mechanism (3) are including lower semi-ring (301), it has last semi-ring (302) to articulate on lower semi-ring (301), all open on the inner wall in lower semi-ring (301) and last semi-ring (302) chisel have with return bend (1) and straight tube (2) assorted seal groove, fixedly connected with sealing strip (303) in the seal groove, the one end fixedly connected with extension board (305) of going up semi-ring (302), threaded connection has set screw (4) on extension board (305), it has with set screw (4) assorted thread groove to open on the outer wall of semi-ring (301) down, the lower extreme fixedly connected with base (304) of lower semi-ring (301), it has a pair of spout on the lateral wall of base (304), sliding connection has L type mounting panel (5) to slide connection, L type mounting panel (5) go up thread connection has a plurality of screw and the matched with the locking screw (6) of cutting, a plurality of spout (6.

2. The composite stainless steel elbow according to claim 1, wherein: a resin layer (102) is laid on the inner wall of the bent pipe (1), and a reinforcing ring (101) is connected to the resin layer (102).

3. The combined stainless steel elbow pipe according to claim 1, wherein a pair of reinforcing ribs are connected to the L-shaped mounting plate (5).

4. The composite stainless steel elbow according to claim 1, wherein: the one end that return bend (1) is close to straight tube (2) is dug and is had the annular groove, fixedly connected with and annular groove assorted snap ring on straight tube (2), a plurality of sealing rings of fixedly connected with (201) on the outer wall of snap ring.