CN217874735U

CN217874735U - Split type conveying hinge elbow

Info

Publication number: CN217874735U
Application number: CN202221665781.2U
Authority: CN
Inventors: 陈焱杰; 陈波
Original assignee: Gucheng Zhanwang Machinery Co ltd
Current assignee: Gucheng Zhanwang Machinery Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-11-22
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a hinge return bend is carried to split formula, including the outer tube, inboard return bend and inboard straight tube are installed to the inboard of outer tube, and inboard return bend is close to inboard straight tube one end and is fixed with first joint, and inboard straight tube is close to inboard return bend one end and is fixed with the second joint. The utility model discloses, when inboard return bend and inboard straight tube were assembled in the inboard of outer tube, insert its inboard with inboard return bend from outer tube bottom opening, later make inboard straight tube pass through outer tube other end opening and get into its inboard, later make inboard return bend and inboard straight tube carry out fixed connection through the screw thread, inboard straight tube drives the inboard that the sealed tube got into inboard return bend simultaneously, the sealed tube constitutes sealing connection through first sealing washer and inboard return bend, be connected inboard return bend and inboard straight tube and seal, it is inboard to avoid the material to get into the outer tube through the clearance between inboard return bend and the inboard straight tube, so that later stage is dismantled inboard return bend and inboard straight tube.

Description

Split type conveying hinge elbow

Technical Field

The utility model relates to a hinge return bend technical field specifically is a hinge return bend is carried to split formula.

Background

The hinge return bend is used for carrying the concrete, and the hinge return bend includes outer tube and inner tube, and the outer tube adopts low-carbon steel, and the inner tube adopts wear-resisting material, and general outer tube and inner tube are through welded fastening, nevertheless in order to make the outer tube can recycle, need use the split formula to carry the hinge return bend.

When the existing split conveying hinge bent pipe is used, for example, the split conveying hinge bent pipe has the following publication number: CN211421863U provides a but hinge return bend of split, through dividing into inside lining return bend and the inside lining straight tube that can dismantle the connection with the inner tube, can accomplish the dismantlement of inner tube and outer tube to be connected, but the inside lining return bend is relatively poor with the connection leakproofness of inside lining straight tube, when carrying material pressure when too big, the material overflows in the clearance between outer tube and the inner tube easily, and the material solidifies the back, causes outer tube and inner tube unable dismantlement, inconvenient use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hinge return bend is carried to split formula has solved prior art's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a split type conveying hinge bent pipe comprises an outer pipe, wherein an inner side bent pipe and an inner side straight pipe are arranged on the inner side of the outer pipe, a first joint is fixed at one end, close to the inner side straight pipe, of the inner side bent pipe, a second joint is fixed at one end, close to the inner side bent pipe, of the inner side straight pipe, and the second joint is fixed at one end, close to the inner side bent pipe, of the inner side straight pipe,

a sealing pipe is fixed on the inner wall, close to the inner bent pipe, of the inner straight pipe, a first sealing ring is sleeved on the outer side, located in the inner bent pipe, of the sealing pipe, a first limiting groove is formed in the bottom end of the outer pipe, and a first limiting plate is fixed on the end, corresponding to the first limiting groove, of the inner bent pipe;

the outer pipe is fixed with the flange in the one end outside of keeping away from first spacing groove, the second spacing groove has been seted up to the one end that the first spacing groove was kept away from to the outer pipe, the end fixing that inboard straight tube corresponds the second spacing groove has the second limiting plate, the cover has the dish spring on the inboard straight tube of second spacing inslot.

Preferably, the first joint and the second joint form a detachable connection through threaded connection.

Preferably, the sealing pipe is fixed on the inner side of the inner straight pipe by welding, and the sealing pipe abuts against the inner wall of the inner bent pipe through the first sealing ring.

Preferably, the outer diameter of the second limiting plate is larger than that of the disc spring, and the second limiting plate abuts against the inner wall of the second limiting groove through the disc spring.

Preferably, the second sealing rings are installed on the outer sides of the first limiting plate and the second limiting plate, and the auxiliary slots are symmetrically formed in the ring side of the second limiting plate.

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

1. the utility model discloses, when inboard return bend and inboard straight tube were assembled in the inboard of outer tube, insert its inboard with inboard return bend from outer tube bottom opening, later make inboard straight tube pass through outer tube other end opening and get into its inboard, later make inboard return bend and inboard straight tube carry out fixed connection through the screw thread, inboard straight tube drives the inboard that the sealed tube got into inboard return bend simultaneously, the sealed tube constitutes sealing connection through first sealing washer and inboard return bend, be connected inboard return bend and inboard straight tube and seal, it is inboard to avoid the material to get into the outer tube through the clearance between inboard return bend and the inboard straight tube, so that later stage is dismantled inboard return bend and inboard straight tube.

2. The utility model discloses, before inboard return bend and inboard straight tube equipment, with the dish spring housing in the inboard straight tube outside, when inboard return bend and inboard straight tube assembled through threaded connection, the second limiting plate supported the dish spring, made dish spring compressive deformation, produced elasticity, and the elasticity that produces through the dish spring applys the pretightning force to threaded connection, avoids inboard straight tube to take place to invert and leads to connecting not hard up.

3. The utility model discloses, inboard return bend is accomplished with the installation of inboard straight tube, and when the outer tube both ends were assembled with the conveyer pipe, seals through being connected of second sealing washer inboard return bend, inboard straight tube and conveyer pipe, avoids the material to get into the inboard of outer tube.

Drawings

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

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;

fig. 4 is a schematic view of the enlarged structure of the part B in fig. 1 according to the present invention.

In the figure: 1. an outer tube; 2. bending the inner side; 3. an inner straight tube; 4. a first joint; 5. a second joint; 6. a sealing tube; 7. a first seal ring; 8. a first limit groove; 9. a first limit plate; 10. a flange; 11. a second limit groove; 12. a second limiting plate; 13. a disc spring; 14. a second seal ring; 15. and an auxiliary slot.

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.

Example (b):

referring to fig. 1 to 4, the present invention provides a technical solution: a split type conveying hinge elbow comprises an outer pipe 1, an inner side elbow 2 and an inner side straight pipe 3 are arranged on the inner side of the outer pipe 1, a first joint 4 is fixed at one end of the inner side elbow 2 close to the inner side straight pipe 3, a second joint 5 is fixed at one end of the inner side straight pipe 3 close to the inner side elbow 2, wherein,

a sealing pipe 6 is fixed on the inner wall of the inner side straight pipe 3 close to the inner side bent pipe 2, a first sealing ring 7 is sleeved on the outer side of the sealing pipe 6 positioned in the inner side bent pipe 2, a first limiting groove 8 is formed in the bottom end of the outer pipe 1, and a first limiting plate 9 is fixed on the end portion, corresponding to the first limiting groove 8, of the inner side bent pipe 2;

the outer tube 1 is kept away from the one end outside of first spacing groove 8 and is fixed with flange 10, and the outer tube 1 is kept away from the one end of first spacing groove 8 and has been seted up second spacing groove 11, and the end fixing that inboard straight tube 3 corresponds second spacing groove 11 has second limiting plate 12, and the cover has dish spring 13 on the inboard straight tube 3 of second spacing inslot 11.

Referring to fig. 1 to 4, a first joint 4 and a second joint 5 are connected by threads to form a detachable connection, a sealing pipe 6 is fixed on the inner side of an inner straight pipe 3 by welding, the sealing pipe 6 abuts against the inner wall of the inner bent pipe 2 through a first sealing ring 7, when the inner bent pipe 2 and the inner straight pipe 3 are assembled on the inner side of an outer pipe 1, the inner bent pipe 2 is inserted into the inner side of the outer pipe 1 from the bottom opening of the outer pipe 1, the inner straight pipe 3 enters the inner side of the outer pipe 1 through the opening at the other end of the outer pipe 1, the inner bent pipe 2 and the inner straight pipe 3 are fixedly connected by threads, the inner straight pipe 3 drives the sealing pipe 6 to enter the inner side of the inner bent pipe 2, the sealing pipe 6 and the inner bent pipe 2 form a sealing connection through the first sealing ring 7, the connection between the inner bent pipe 2 and the inner straight pipe 3 is sealed, and materials are prevented from entering the inner side of the outer pipe 1 through the gap between the inner bent pipe 2 and the inner straight pipe 3, so that the inner bent pipe 2 and the inner straight pipe 3 can be disassembled later.

Referring to fig. 1 to 4, the outer diameter of the second limiting plate 12 is larger than the outer diameter of the disc spring 13, the second limiting plate 12 abuts against the inner wall of the second limiting groove 11 through the disc spring 13, before the inner bent pipe 2 and the inner straight pipe 3 are assembled, the disc spring 13 is sleeved on the outer side of the inner straight pipe 3, when the inner bent pipe 2 and the inner straight pipe 3 are assembled through threaded connection, the second limiting plate 12 abuts against the disc spring 13, the disc spring 13 is compressed and deformed to generate elastic force, the elastic force generated by the disc spring 13 applies pre-tightening force to the threaded connection, the situation that the inner straight pipe 3 is reversely rotated to cause loose connection is avoided, the second sealing rings 14 are installed on the outer sides of the first limiting plate 9 and the second limiting plate 12, the auxiliary slots 15 are symmetrically formed in the annular side of the second limiting plate 12, when the inner bent pipe 2 and the inner straight pipe 3 are assembled, and when the outer pipe 1 is assembled with the conveying pipe, the inner bent pipe 2, the inner straight pipe 3 and the conveying pipe are connected through the second sealing rings 14 to seal the inner bent pipe 3, and the inner straight pipe 3 is disassembled.

The working principle is as follows: this hinge return bend is carried to split formula, when inboard return bend 2 assembles at the inboard of outer tube 1 with inboard straight tube 3, insert inboard return bend 2 its inboard from outer tube 1 bottom opening, later make inboard straight tube 3 get into its inboard through outer tube 1 other end opening, later make inboard return bend 2 and inboard straight tube 3 carry out fixed connection through the screw thread, inboard straight tube 3 drives sealed tube 6 and gets into the inboard of inboard return bend 2 simultaneously, sealed tube 6 constitutes sealing connection through first sealing washer 7 and inboard return bend 2, seal the connection of inboard return bend 2 and inboard straight tube 3, avoid the material to get into the outer tube 1 inboard through the clearance between inboard return bend 2 and inboard straight tube 3, so that dismantle inboard return bend 2 and inboard straight tube 3 in the later stage, and inboard return bend 2 and inboard straight tube 3 before assembling, overlap the inboard straight tube 3 outside, when inboard return bend 2 assembles through threaded connection with inboard straight tube 3, second limiting plate 12 supports disc spring 13, make disc spring 13 compression deformation, produce elasticity, the elasticity that disc spring 13 produced exerts the pretightning force to the threaded connection, avoid inboard straight tube 3 to take place the not hard up through disc spring to turn over.

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 hinge return bend is carried to split formula, includes outer tube (1), its characterized in that: an inner side bent pipe (2) and an inner side straight pipe (3) are arranged on the inner side of the outer pipe (1), a first joint (4) is fixed at one end of the inner side bent pipe (2) close to the inner side straight pipe (3), a second joint (5) is fixed at one end of the inner side straight pipe (3) close to the inner side bent pipe (2), wherein,

a sealing pipe (6) is fixed on the inner wall, close to the inner side bent pipe (2), of the inner side straight pipe (3), a first sealing ring (7) is sleeved on the outer side, located in the inner side bent pipe (2), of the sealing pipe (6), a first limiting groove (8) is formed in the bottom end of the outer pipe (1), and a first limiting plate (9) is fixed on the end, corresponding to the first limiting groove (8), of the inner side bent pipe (2);

the one end outside of keeping away from first spacing groove (8) in outer tube (1) is fixed with flange (10), second spacing groove (11) have been seted up to the one end that first spacing groove (8) were kept away from in outer tube (1), the end fixing that inboard straight tube (3) correspond second spacing groove (11) has second limiting plate (12), the cover has dish spring (13) on inboard straight tube (3) in second spacing groove (11).

2. The split conveying hinge elbow of claim 1, wherein: the first connector (4) and the second connector (5) are connected in a detachable mode through threads.

3. The split conveying hinge elbow according to claim 1, wherein: the sealing pipe (6) is fixed on the inner side of the inner side straight pipe (3) through welding, and the sealing pipe (6) abuts against the inner wall of the inner side bent pipe (2) through a first sealing ring (7).

4. The split conveying hinge elbow of claim 1, wherein: the outer diameter of the second limiting plate (12) is larger than that of the disc spring (13), and the second limiting plate (12) abuts against the inner wall of the second limiting groove (11) through the disc spring (13).

5. The split conveying hinge elbow according to claim 1, wherein: and second sealing rings (14) are installed on the outer sides of the first limiting plate (9) and the second limiting plate (12), and auxiliary slots (15) are symmetrically formed in the ring side of the second limiting plate (12).