CN212776177U

CN212776177U - Anti-drop elbow joint

Info

Publication number: CN212776177U
Application number: CN202021646750.3U
Authority: CN
Inventors: 张增鑫; 张甲山; 岳建英
Original assignee: Shandong Baishun Fire Technology Co ltd
Current assignee: Shandong Baishun Fire Technology Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-03-23
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses an anti-drop elbow joint, which comprises an elbow joint main body and a straight pipe main body, wherein one side of the elbow joint main body is fixedly connected with a first flange ring, and one side of the straight pipe main body, which is close to the elbow joint main body, is fixedly connected with a second flange ring; a fixing bolt is arranged between the first flange ring and the second flange ring, and a fixing nut is connected to the outer side of the fixing bolt in a threaded manner; two groups of connecting blocks are symmetrically and fixedly arranged on the outer surface of the top and the outer surface of the bottom of the first flange ring; two sets of outer wall fixedly connected with two sets of branches on one side of the connecting block, the utility model discloses in, through being provided with the sealing rubber circle, meeting water expansion type device such as sealed glue, set up flutedly in the first flange ring and second flange ring outside and the corresponding position of sealing rubber circle, cup joint the sealing rubber circle in the outside of first flange ring and second flange ring, scribble water expansion type sealed glue at clearance department again and seal up, improve the leakproofness greatly, be worth widely promoting.

Description

Anti-drop elbow joint

Technical Field

The utility model relates to an elbow connects technical field, especially relates to an anticreep elbow connects.

Background

In a pipeline system, an elbow is a pipe fitting for changing the direction of a pipeline, the elbow is divided into three types of 45-degree and 90-degree 180-degree most common elbows according to angles, the elbow further comprises other abnormal angle elbows of 60-degree and the like according to engineering requirements, the elbow is made of cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, nonferrous metal, plastics and the like, and the elbow is connected with the pipe in a way that: direct welding (the most common way) flange joint, hot melt connection, electric smelting connection, threaded connection, socket type connection and the like, and can be divided into the following steps according to the production process: welding elbows, stamping elbows, pushing elbows, casting elbows, butt welding elbows, and the like, and other names: the elbow is a commonly used connecting pipe fitting in water heating installation, is used for connecting the corner of a pipeline and is used for changing the direction of the pipeline.

The existing elbow joint is connected by components such as a fixing bolt, a fixing nut and the like, but the fixing component can be loosened after a long time, so that the elbow joint falls off, and a sealing ring is only added between the two joints in the sealing problem of elbow connection, so that the sealing effect is general, and a new anti-falling elbow joint needs to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an anti-drop elbow joint.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an anti-falling elbow joint comprises an elbow joint main body and a straight pipe main body, wherein a first flange ring is fixedly connected to one side of the elbow joint main body, and a second flange ring is fixedly connected to one side, close to the elbow joint main body, of the straight pipe main body;

a fixing bolt is arranged between the first flange ring and the second flange ring, and a fixing nut is connected to the outer side of the fixing bolt in a threaded manner; two groups of connecting blocks are symmetrically and fixedly arranged on the outer surface of the top and the outer surface of the bottom of the first flange ring;

two groups of supporting rods are fixedly connected to the outer wall of one side of each connecting block, sleeves are fixedly connected to the outer surfaces of the ends, close to the two groups of supporting rods, of the two groups of supporting rods, telescopic springs are arranged inside the two groups of sleeves, and telescopic bolts are fixedly connected to the ends, far away from the sleeves, of the telescopic springs;

and sealing rubber rings are fixedly sleeved on the peripheral outer surfaces of the first flange ring and the second flange ring.

As a further description of the above technical solution:

the elbow joint main body and the first flange ring as well as the straight pipe main body and the second flange ring are fixedly connected through welding.

As a further description of the above technical solution:

the number of the fixing bolts is two, and the two groups of fixing bolts are symmetrical about the central axis of the first flange ring.

As a further description of the above technical solution:

grooves are formed in the positions, corresponding to the sealing rubber rings, of the outer surface of the periphery of the first flange ring and the outer surface of the periphery of the second flange ring.

As a further description of the above technical solution:

and the outer surface of the top and the outer surface of the bottom of the second flange ring are provided with positioning grooves corresponding to the telescopic bolts, and the positioning grooves are in isosceles trapezoid structures.

As a further description of the above technical solution:

and water-swelling type sealant is arranged between the sealing rubber ring and the first flange ring and between the sealing rubber ring and the second flange ring.

The utility model discloses following beneficial effect has:

1. the utility model provides a pair of anticreep elbow connects compares with traditional device, through being provided with devices such as connecting block, branch, sleeve, expanding spring, flexible bolt, drive flexible bolt through expanding spring and insert the constant head tank for can closely laminate between first flange ring and the second flange ring, it is fixed with first flange ring and second flange ring to set up fixing bolt and fixation nut again, prevent to take place between elbow joint main part and the straight tube main part to drop, the device simple structure, convenient and practical.

2. Compared with the traditional device, the device has great innovation and improvement in structure and design, through the arrangement of the sealing rubber ring, the water-swelling type sealant and other devices, the grooves are formed in the positions, corresponding to the sealing rubber ring, of the outer sides of the first flange ring and the second flange ring, the sealing rubber ring is sleeved on the outer sides of the first flange ring and the second flange ring, and the water-swelling type sealant is coated on the gap for sealing, so that the sealing performance is greatly improved, and the device is worthy of great popularization.

Drawings

Fig. 1 is a front view structural diagram of an anti-drop elbow joint provided by the utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a partially enlarged view of fig. 2 at B.

Illustration of the drawings:

1. an elbow joint body; 2. a first flange ring; 3. a second flange ring; 4. a straight tube body; 5. fixing the bolt; 6. fixing a nut; 7. a strut; 8. connecting blocks; 9. a water-swellable sealant; 10. sealing the rubber ring; 11. a telescopic bolt; 12. a sleeve; 13. a tension spring; 14. and (6) positioning a groove.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated 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. 1-3, the present invention provides an embodiment: an anti-drop elbow joint comprises an elbow joint main body 1 and a straight pipe main body 4, wherein one side of the elbow joint main body 1 is fixedly connected with a first flange ring 2, and one side of the straight pipe main body 4, which is close to the elbow joint main body 1, is fixedly connected with a second flange ring 3;

a fixing bolt 5 is arranged between the first flange ring 2 and the second flange ring 3, and a fixing nut 6 is connected to the outer side of the fixing bolt 5 in a threaded manner; two groups of connecting blocks 8 are symmetrically and fixedly arranged on the outer surface of the top and the outer surface of the bottom of the first flange ring 2;

two groups of supporting rods 7 are fixedly connected to the outer wall of one side of each group of connecting blocks 8, sleeves 12 are fixedly connected to the outer surfaces of the ends, close to the two groups of supporting rods 7, of the two groups of supporting rods 12, telescopic springs 13 are arranged inside the two groups of sleeves 12, and telescopic bolts 11 are fixedly connected to the ends, far away from the sleeves 12, of the telescopic springs 13;

the peripheral outer surfaces of the first flange ring 2 and the second flange ring 3 are fixedly sleeved with a sealing rubber ring 10.

The elbow joint main body 1 and the first flange ring 2 as well as the straight pipe main body 4 and the second flange ring 3 are fixedly connected through welding, so that the elbow joint main body 1 and the straight pipe main body 4 are fixedly connected through the fixed connection between the first flange ring 2 and the second flange ring 3, the number of the fixing bolts 5 is two, the two groups of fixing bolts 5 are symmetrical about the central axis of the first flange ring 2, so that the fixed connection between the first flange ring 2 and the second flange ring 3 is convenient, grooves are arranged on the peripheral outer surface of the first flange ring 2 and the peripheral outer surface of the second flange ring 3 corresponding to the sealing rubber ring 10, so that the sealing rubber ring 10 is conveniently sleeved and installed, positioning grooves 14 are arranged on the top outer surface and the bottom outer surface of the second flange ring 3 corresponding to the telescopic bolts 11, the positioning grooves 14 are in an isosceles trapezoid structure, so that the first flange ring 2 and the second flange ring 3 are conveniently and tightly attached, the main aim at is anti-loosening, is provided with water expansion type sealed glue 9 between sealing rubber circle 10 and first flange ring 2 and the second flange ring 3, is convenient for improve the leakproofness between elbow joint main part 1 and the straight tube main part 4.

The working principle is as follows: the utility model provides an anticreep elbow connects has great improvement innovation with traditional device, when using this anticreep elbow to connect, at first relative first flange ring 2 and second flange ring 3, insert fixing bolt 5 in the preformed hole of two rings again, it is fixed with fixing bolt 5 to sheathe fixation nut 6 in fixing bolt 5's both sides afterwards, be about to first flange ring 2 and second flange ring 3 looks fixed connection get up, then with telescopic pin 11 through expanding spring 13 bullet in constant head tank 14, prevent that first flange ring 2 and second flange ring 3 from taking place the pine and take off, cup joint sealing rubber circle 10 in first flange ring 2 and the 3 outsides of second flange ring, at last again sealing rubber circle 10 with first flange ring 2 and the expansion type of meeting water of the sealed glue 9 of clearance department spraying of second flange ring 3 and strengthen the leakproofness.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an anticreep elbow connects, includes elbow joint main part (1) and straight tube main part (4), its characterized in that: a first flange ring (2) is fixedly connected to one side of the elbow joint main body (1), and a second flange ring (3) is fixedly connected to one side, close to the elbow joint main body (1), of the straight pipe main body (4);

a fixing bolt (5) is arranged between the first flange ring (2) and the second flange ring (3), and a fixing nut (6) is connected to the outer side of the fixing bolt (5) in a threaded manner; two groups of connecting blocks (8) are symmetrically and fixedly arranged on the outer surface of the top and the outer surface of the bottom of the first flange ring (2);

two groups of supporting rods (7) are fixedly connected to the outer wall of one side of each group of connecting blocks (8), sleeves (12) are fixedly connected to the outer surfaces of the two groups of supporting rods (7) close to one ends, telescopic springs (13) are arranged inside the two groups of sleeves (12), and telescopic bolts (11) are fixedly connected to the ends, far away from the sleeves (12), of the telescopic springs (13);

the peripheral outer surfaces of the first flange ring (2) and the second flange ring (3) are fixedly sleeved with sealing rubber rings (10).

2. The anti-drop elbow fitting of claim 1, wherein: the elbow joint main body (1) is fixedly connected with the first flange ring (2) and the straight pipe main body (4) is fixedly connected with the second flange ring (3) through welding.

3. The anti-drop elbow fitting of claim 1, wherein: the number of the fixing bolts (5) is two, and the two groups of fixing bolts (5) are symmetrical about the central axis of the first flange ring (2).

4. The anti-drop elbow fitting of claim 1, wherein: grooves are formed in the positions, corresponding to the sealing rubber rings (10), of the peripheral outer surface of the first flange ring (2) and the peripheral outer surface of the second flange ring (3).

5. The anti-drop elbow fitting of claim 1, wherein: and the outer surface of the top and the outer surface of the bottom of the second flange ring (3) correspond to the telescopic bolts (11) and are provided with positioning grooves (14), and the positioning grooves (14) are in isosceles trapezoid structures.

6. The anti-drop elbow fitting of claim 1, wherein: and a water expansion type sealant (9) is arranged between the sealing rubber ring (10) and the first flange ring (2) and between the sealing rubber ring and the second flange ring (3).