CN213954643U

CN213954643U - Sealing device of wear-resistant straight pipe

Info

Publication number: CN213954643U
Application number: CN202022519265.6U
Authority: CN
Inventors: 吴逸; 顾大刚
Original assignee: Wuxi Gangzheng Environmental Protection Equipment Co ltd
Current assignee: Wuxi Gangzheng Environmental Protection Equipment Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-08-13
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a sealing device of wear-resisting straight tube, including the straight tube, the straight tube outside is equipped with the external screw thread, the straight tube junction is equipped with first connecting tube and second connecting tube, first connecting tube and second connecting tube are inside to be equipped with the internal thread identical with the external screw thread, be equipped with the connection structure who is used for first connecting tube of high-speed joint and second connecting tube on first connecting tube and the second connecting tube, this sealing device of wear-resisting straight tube through connection structure, can connect the straight tube fast, also can change and dismantle the straight tube simultaneously when later stage maintenance and change fast to the maintenance of the maintenance personal of being convenient for reduces maintenance personal's work load.

Description

Sealing device of wear-resistant straight pipe

Technical Field

The utility model relates to the field of pipelines, specifically a sealing device of wear-resisting straight tube.

Background

Pipelines are devices for transporting gases, liquids or fluids with solid particles, connected by pipes, pipe couplings and valves, mainly used in water supply, drainage, heating, gas supply, long-distance transportation of oil and gas, agricultural irrigation, hydraulic engineering and various industrial devices.

When general straight tube was used for carrying the object, because the distance is longer, needed a plurality of straight tubes to connect, rethread welding or connecting piece pass through threaded connection fixed, when the later stage staff maintenance of being not convenient for like this or overhauls, dismantle or change the pipeline, for this reason, we provide a wear-resisting pipeline's sealing device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealing device of wear-resisting straight tube, including the straight tube, the straight tube outside is equipped with the external screw thread, the straight tube junction is equipped with first connecting tube and second connecting tube, first connecting tube and second connecting tube are inside to be equipped with the internal thread identical with the external screw thread, be equipped with the connection structure who is used for first connecting tube of high-speed joint and second connecting tube on first connecting tube and the second connecting tube, through connection structure, can connect the straight tube fast, also can change and dismantle the straight tube when later stage maintenance and change simultaneously fast to the maintenance of the maintenance personal of being convenient for reduces maintenance personal's work load.

Preferably, the connection structure comprises a first fixing ring, the first fixing ring is fixed on the first connection pipeline and is away from the inner thread end, a conduction ring matched with the second connection pipeline is fixed at the right end of the first fixing ring, the second connection pipeline is close to the end of the first connection pipeline and is fixed with a second fixing ring matched with the first fixing ring, connecting pieces used for connecting the first fixing ring and the second fixing ring are arranged on the first fixing ring and the second fixing ring, a first insertion groove and a second insertion groove which are convenient for the connection of the connecting pieces are formed in the first fixing ring and the second fixing ring respectively, and a fixing structure used by matching the connecting pieces is arranged on the first fixing ring and the second fixing ring.

Preferably, the fixing structure comprises two first fixing blocks, the two first fixing blocks are symmetrically and slidably connected to two sides of a first inserting groove on the first fixing ring, a first chute convenient for the first fixed block to slide is arranged in the first fixed ring, a first spring is fixedly connected between the first fixed block and the first fixed ring, a limiting block for limiting the first fixed block is arranged between the two first fixed blocks, the lower end of the limiting block is provided with a second spring, one end of the second spring is fixed at the lower end of the limiting block, the other end of the second spring is fixed on the first fixing ring, a second fixing block is arranged in the second fixing ring at the two sides of the second inserting groove, second fixed block sliding connection is in the solid fixed ring of second, the solid fixed ring of second is equipped with the gliding second spout of second fixed block of being convenient for, be equipped with the third spring between solid fixed ring of second fixed block and second.

Preferably, the connecting piece includes the flexure strip, the flexure strip is kept away from each other and is equipped with the fourth spring between the end, the inside fixed column that is used for fixed fourth spring that cup joints of fourth spring, the flexure strip outside is equipped with the fixed slot of placing the second fixed block, can connect first solid fixed ring and the solid fixed ring of second fast.

Preferably, the end, far away from the third spring, of the second fixing block is an oblique angle, so that the second fixing block is fixed on the fixing groove conveniently.

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

the utility model discloses, through connection structure, can connect the straight tube fast, also can change and dismantle the straight tube fast when later stage maintenance and change simultaneously to the maintenance of the maintenance personal of being convenient for reduces maintenance personal's work load.

Drawings

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

FIG. 2 is a right side view of the overall structure of the present invention;

fig. 3 is a sectional view of a second fixing ring of the present invention;

fig. 4 is a cross-sectional view of a first fixing ring of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 2;

FIG. 6 is an enlarged view of FIG. 3 at B;

fig. 7 is an enlarged view of fig. 4 at C.

In the figure: 1-straight pipe; 2-external thread; 3-a first connecting conduit; 4-a second connecting pipe; 5-internal thread; 6-a linking structure; 7-a first retaining ring; 8-conducting ring; 9-a second retaining ring; 10-a connector; 11-a first plug groove; 12-a second plug groove; 13-a fixed structure; 14-a first fixed block; 15-a first runner; 16-a first spring; 17-a limiting block; 18-a second spring; 19-a second fixed block; 20-a second chute; 21-a third spring; 22-an elastic sheet; 23-a fourth spring; 24-fixed columns; 25-fixed 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.

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a sealing device of wear-resisting straight tube, includes

straight tube

1, 1 outside of straight tube is equipped with

external screw thread

2, 1 junction of straight tube is equipped with first connecting tube 3 and second connecting tube 4, first connecting tube 3 and second connecting tube 4 are inside to be equipped with the internal thread 5 identical with external screw thread 2, straight tube 1 is through threaded connection in first connecting tube 3 and second connecting tube 4.

The first fixing ring 7 and the second fixing ring 9 are respectively provided with a first inserting groove 11 and a second inserting groove 12 which are convenient for inserting a connecting piece 10, the first connecting pipeline 3 and the second connecting pipeline 4 are provided with a connecting structure 6 for quickly connecting the first connecting pipeline 3 and the second connecting pipeline 4, the connecting structure 6 comprises the first fixing ring 7, the first fixing ring 7 is fixed at the end of the first connecting pipeline 3 far away from the internal thread 5, the right end of the first fixing ring 7 is fixed with a conducting ring 8 which is matched with the second connecting pipeline 4, the end of the second connecting pipeline 4 close to the first connecting pipeline 3 is fixed with a second fixing ring 9 which is matched with the first fixing ring 7, the radius of the conducting ring 8 is slightly smaller than the inner diameter of the second fixing ring 9, so that the circulation and leakage of objects in the straight pipe 1 are convenient, and after the straight pipe 1 is in threaded connection with the first connecting pipeline 3 and the second connecting pipeline 4, when the first fixing ring 7 and the second fixing ring 9 are butted, the first fixing ring 7 and the second fixing ring 9 are rotated to align the first insertion groove 11 and the second insertion groove 12 thereon.

The first fixing ring 7 and the second fixing ring 9 are provided with fixing structures 13 matched with the connecting piece 10 for use, each fixing structure 13 comprises a first fixing block 14, two first fixing blocks 14 are arranged, the two first fixing blocks 14 are symmetrically and slidably connected to two sides of a first inserting groove 11 on the first fixing ring 7, a first sliding groove 15 facilitating sliding of the first fixing blocks 14 is arranged inside the first fixing ring 7, a first spring 16 is fixedly connected between each first fixing block 14 and the first fixing ring 7, a limiting block 17 limiting the first fixing blocks 14 is arranged between the two first fixing blocks 14, the lower end of the limiting block 17 is provided with a second spring 18, one end of the second spring 18 is fixed to the lower end of the limiting block 17, the other end of the second spring is fixed on the first fixing ring 7, and after the first inserting grooves 11 and the second inserting grooves 12 are aligned, the elastic piece 22 is pinched, the fourth spring 23 is compressed and inserted into the first inserting groove 11 and the second inserting groove 12, when the elastic sheet 22 reaches the limit block 17, the limit block 17 is pushed inwards, at this time, the first fixing block 14 loses the limit of the limit block 17, and under the action of the first spring 16, the front end of the elastic sheet 22 is clamped, so that the elastic sheet is fixed with the first fixing ring 7.

A second fixing block 19 is arranged inside the second fixing ring 9 at the two sides of the second inserting groove 12, the end of the second fixed block 19, which is far away from the third spring 21, is set to be an oblique angle, the second fixed block 19 is connected with the second fixed ring 9 in a sliding way, a second chute 20 convenient for the second fixed block 19 to slide is arranged on the second fixed ring 9, a third spring 21 is arranged between the second fixed block 19 and the second fixed ring 9, the first fixing ring 7 and the second fixing ring 9 have the same length, the outer diameter of the first fixing ring 7 is equal to the inner diameter of the second fixing ring 9, so that the connection is convenient, after the front end of the elastic piece 22 is fixed on the first fixing ring 7, and then the elastic piece 22 is released, the elastic piece 22 will be expanded under the action of the fourth spring 23, at this time, the second fixing block 19 slides into the fixing groove 25 by the second spring 18, so that the elastic piece 22 is fixed to the second fixing ring 9.

Be equipped with the connecting piece 10 that is used for connecting the solid fixed ring 9 of first solid fixed ring 7 and second on the solid fixed ring 9 of first solid fixed ring 7 and second, connecting piece 10 includes flexure strip 22, flexure strip 22 is kept away from each other and is equipped with fourth spring 23 between the end, the inside fixed column 24 that is used for fixed fourth spring 23 that has cup jointed of fourth spring 23, flexure strip 22 outside is equipped with the fixed slot 25 of placing second fixed block 19, when needs dismantle straight tube 1, only need pinch tight flexure strip 22, just can lift second connecting tube 4 from first connecting tube 3.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sealing device of wear-resisting straight tube, includes straight tube (1), straight tube (1) outside is equipped with external screw thread (2), its characterized in that: the straight tube (1) junction is equipped with first connecting tube (3) and second connecting tube (4), first connecting tube (3) and second connecting tube (4) inside be equipped with identical internal thread (5) of external screw thread (2), be equipped with connection structure (6) that are used for first connecting tube (3) of high-speed joint and second connecting tube (4) on first connecting tube (3) and second connecting tube (4).

2. A seal for a wear resistant straight pipe as claimed in claim 1 wherein: the connecting structure (6) comprises a first fixing ring (7), the first fixing ring (7) is fixed at the end of the first connecting pipeline (3) far away from the internal thread (5), a conducting ring (8) which is matched with the second connecting pipeline (4) is fixed at the right end of the first fixing ring (7), a second fixing ring (9) which is matched with the first fixing ring (7) is fixed at the end of the second connecting pipeline (4) close to the first connecting pipeline (3), the first fixing ring (7) and the second fixing ring (9) are provided with connecting pieces (10) for connecting the first fixing ring (7) and the second fixing ring (9), a first inserting groove (11) and a second inserting groove (12) which are convenient for the insertion of the connecting piece (10) are respectively arranged on the first fixing ring (7) and the second fixing ring (9), and the first fixing ring (7) and the second fixing ring (9) are provided with fixing structures (13) matched with the connecting piece (10) for use.

3. A seal for a wear resistant straight pipe as claimed in claim 2 wherein: the fixing structure (13) comprises first fixing blocks (14), the number of the first fixing blocks (14) is two, the two first fixing blocks (14) are symmetrically and slidably connected to two sides of a first inserting groove (11) on the first fixing ring (7), a first sliding groove (15) convenient for the first fixing block (14) to slide is arranged in the first fixing ring (7), a first spring (16) is fixedly connected between the first fixing block (14) and the first fixing ring (7), a limiting block (17) limiting the first fixing block (14) is arranged between the two first fixing blocks (14), a second spring (18) is arranged at the lower end of the limiting block (17), one end of the second spring (18) is fixed at the lower end of the limiting block (17), the other end of the second spring is fixed on the first fixing ring (7), and second fixing blocks (19) are arranged in the second fixing ring (9) and located at two sides of the second inserting groove (12), second fixed block (19) sliding connection is in the solid fixed ring of second (9), be equipped with on the solid fixed ring of second (9) and be convenient for the gliding second spout (20) of second fixed block (19), be equipped with third spring (21) between solid fixed ring of second (19) and the solid fixed ring of second (9).

4. A seal for a wear resistant straight pipe as claimed in claim 2 wherein: the connecting piece (10) comprises an elastic sheet (22), a fourth spring (23) is arranged between the ends, far away from each other, of the elastic sheet (22), a fixing column (24) used for fixing the fourth spring (23) is sleeved inside the fourth spring (23), and a fixing groove (25) used for placing a second fixing block (19) is arranged outside the elastic sheet (22).

5. A seal for a wear resistant straight pipe as claimed in claim 3 wherein: the end, far away from the third spring (21), of the second fixed block (19) is an oblique angle.