CN214662846U

CN214662846U - Cold expanding type elbow of welding sliding clamping sleeve

Info

Publication number: CN214662846U
Application number: CN202120939056.9U
Authority: CN
Inventors: 王国平; 王梦澜; 詹仙囡; 黄赛格
Original assignee: Fispute Hangzhou Pipeline Technology Co ltd
Current assignee: Fispute Hangzhou Pipeline Technology Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-09
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses a cold formula elbow that expands of tight cutting ferrule that welds, including alloy elbow and sealing ring, inside sealing ring and the reference column of being provided with of left end of alloy elbow, and the reference column runs through the sealing ring, the left end of alloy elbow is connected with the bottom block of first connection straight tube, and the outline of first connection straight tube is provided with the locating hole to locating hole and reference column interconnect, the right-hand member surface welding fixed mounting of alloy elbow has spacing sleeve, and the inside of spacing sleeve is provided with the sealing washer, spacing sleeve's outline is provided with the connecting hole, and the internally mounted of connecting hole has the spliced pole. This cold formula elbow that expands of smooth tight cutting ferrule of welding is connected through the block between locating hole and the reference column, and the position when can assembling first connection straight tube carries out positioning work, avoids first connection straight tube to take place pivoted phenomenon at the back, has improved holistic stability, makes things convenient for subsequent fixed equipment work.

Description

Cold expanding type elbow of welding sliding clamping sleeve

Technical Field

The utility model relates to the technical field of pipe fittings, specifically be a cold formula elbow that expands of smooth tight cutting ferrule of welding.

Background

The pipe fitting is mainly used for connecting, controlling and turning parts in the whole set of system of the pipeline, so that the type and specification of the pipe fitting are different according to different use requirements, the pipe fitting comprises a welding sliding clamping sleeve cold expansion type elbow, and the welding sliding clamping sleeve cold expansion type elbow in the current market still has the following problems:

1. in the process of butt joint assembly of the existing cold-expansion elbow with the welding slip clamping sleeve, preliminary positioning work is generally carried out only after simple butt joint clamping, so that the phenomenon of subsequent easy dislocation is caused, and the whole assembly work is not stable enough;

2. the operation when installing is convenient inadequately, and the artificial manual fixed operation that carries out of demand to increase holistic operating procedure, be unfavorable for fast assembly's work.

Aiming at the problems, the novel design is carried out on the basis of the original welding sliding clamping sleeve cold expansion type elbow.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cold formula elbow that expands of smooth tight cutting ferrule of welding to solve the cold formula elbow that expands of the smooth tight cutting ferrule of common welding on the existing market that proposes in the above-mentioned background art, carrying out the in-process of butt joint equipment, generally only carry out preliminary positioning work after through simple butt joint block, lead to the phenomenon of follow-up easy emergence dislocation, holistic equipment work is stable problem inadequately.

In order to achieve the above object, the utility model provides a following technical scheme: a cold expanding elbow of a welding sliding and tight clamping sleeve comprises an alloy elbow and a sealing ring, wherein the sealing ring and a positioning column are arranged inside the left end of the alloy elbow, the positioning column penetrates through the sealing ring, the left end of the alloy elbow is clamped and connected with the bottom end of a first connecting straight pipe, the outer frame of the first connecting straight pipe is provided with a positioning hole, the positioning hole is connected with the positioning column, the outer surface of the right end of the alloy elbow is fixedly welded with a limiting sleeve, a sealing ring is arranged inside the limiting sleeve, the outer frame of the limiting sleeve is provided with a connecting hole, a connecting column is arranged inside the connecting hole, a cross groove is formed in the top surface of the connecting column, a limiting hole is formed in the center of the top of the connecting column, an accommodating hole is formed in the center of the bottom of the connecting column, a positioning shaft is arranged inside the accommodating hole, and a positioning rod is fixedly installed on the central thread of the positioning shaft, and the outside of locating lever cup joints and installs expanding spring to expanding spring is located the inside of accomodating the hole, and the top and the spacing hole interconnect of locating lever simultaneously, spacing sleeve cup joints the outside of installing at the second connection straight tube, and the second connection straight tube cup joints and installs in the right-hand member outside of alloy elbow, the constant head tank has been seted up to the surface of second connection straight tube, and constant head tank and location axle interconnect.

Preferably, the connection mode of the positioning hole and the positioning column is clamping connection, the top end of the positioning column is arranged in an arc-shaped structure, the positioning hole is distributed at equal angles on the first connection straight pipe, and meanwhile the depth of the positioning hole is larger than the height of the positioning column.

Preferably, the connection mode of connecting hole and spliced pole is threaded connection, and the equal angular distribution of spliced pole on spacing sleeve.

Preferably, the location axle passes through expanding spring and accomodates the hole and constitute extending structure with the spliced pole, and the connected mode of location axle and constant head tank is connected for the block to the bottom of location axle is the arc column structure setting.

Preferably, the connecting mode of locating lever and connecting post is sliding connection, and the top diameter of locating lever is greater than the bottom diameter of locating lever to the top diameter of locating lever is less than the diameter in spacing hole.

Compared with the prior art, the beneficial effects of the utility model are that: the welding sliding clamping sleeve cold expanding type elbow,

1. the positioning holes are connected with the positioning columns in a clamping manner, so that the positioning work can be performed on the position of the first connecting straight pipe during assembling, the phenomenon that the first connecting straight pipe rotates after the first connecting straight pipe rotates is avoided, the overall stability is improved, and the subsequent fixing and assembling work is facilitated;

2. the positioning groove is connected with the positioning shaft in a clamping manner, so that the second connecting straight pipe can be conveniently assembled and fixed, the loosening phenomenon is prevented, meanwhile, the left side of the second connecting straight pipe is arranged in an inclined structure, the second connecting straight pipe can conveniently extrude and push the positioning shaft, the automatic clamping and fixing work is facilitated, and the quick assembly work is convenient;

3. the subsequent staff accessible makes spliced pole and connecting hole carry out the work of separation aversion to the rotation of spliced pole, is favorable to carrying out holistic split operation.

Drawings

FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the right-side cross-sectional structure of the spacing sleeve of the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3B according to the present invention;

FIG. 5 is a schematic top view of the connecting column of the present invention;

fig. 6 is a schematic view of a three-dimensional structure of the first connecting straight pipe according to the present invention.

In the figure: 1. alloy elbows; 2. a seal ring; 3. a positioning column; 4. a first connecting straight pipe; 5. positioning holes; 6. a limiting sleeve; 7. a seal ring; 8. connecting holes; 9. connecting columns; 10. a cross groove; 11. a limiting hole; 12. a receiving hole; 13. positioning the shaft; 14. positioning a rod; 15. a tension spring; 16. a second connecting straight pipe; 17. 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.

Referring to fig. 1-6, the present invention provides a technical solution: a cold expanding elbow of a welding sliding and tight clamping sleeve comprises an alloy elbow 1 and a sealing ring 2, wherein the sealing ring 2 and a positioning column 3 are arranged inside the left end of the alloy elbow 1, the positioning column 3 penetrates through the sealing ring 2, the left end of the alloy elbow 1 is connected with the bottom end of a first connecting straight pipe 4 in a clamping manner, the outer frame of the first connecting straight pipe 4 is provided with a positioning hole 5, the positioning hole 5 is connected with the positioning column 3, the outer surface of the right end of the alloy elbow 1 is fixedly welded with a limiting sleeve 6, a sealing ring 7 is arranged inside the limiting sleeve 6, the outer frame of the limiting sleeve 6 is provided with a connecting hole 8, a connecting column 9 is arranged inside the connecting hole 8, the top surface of the connecting column 9 is provided with a cross groove 10, the center of the top of the connecting column 9 is provided with a limiting hole 11, the center of the bottom of the connecting column 9 is provided with a containing hole 12, and a positioning shaft 13 is arranged inside the containing hole 12, the central thread fixed mounting of location axle 13 has locating lever 14, and the outside of locating lever 14 cup joints and installs expanding spring 15, and expanding spring 15 is located the inside of accomodating hole 12, the top and the spacing hole 11 interconnect of locating lever 14 simultaneously, spacing sleeve 6 cup joints the outside of installing at second connection straight tube 16, and second connection straight tube 16 cup joints and installs in the right-hand member outside of alloy elbow 1, constant head tank 17 has been seted up to the surface of second connection straight tube 16, and constant head tank 17 and location axle 13 interconnect.

The connected mode of locating hole 5 and reference column 3 is the block and is connected, and the top of reference column 3 sets up for arc column structure to locating hole 5 is angular distribution such as on first connection straight tube 4, and the degree of depth of locating hole 5 is greater than the height of reference column 3 simultaneously, is favorable to fixing a position to first connection straight tube 4 after the block equipment, prevents to take place rotatory phenomenon, avoids taking place the phenomenon of jack-up simultaneously.

The connecting mode of connecting hole 8 and spliced pole 9 is threaded connection, and spliced pole 9 is equidistance on spacing sleeve 6 and distributes, is favorable to the equipment and the split work to spliced pole 9 to make things convenient for holistic use.

Location axle 13 constitutes extending structure through expanding spring 15 and accomodate hole 12 and spliced pole 9, and location axle 13 is connected for the block with the connected mode of constant head tank 17 to the bottom of location axle 13 is the arc column structure setting, and the location axle 13 of being convenient for promotes through expanding spring 15's elasticity and carries out automatic expansion work, thereby convenient and constant head tank 17's automatic block location is favorable to holistic fast assembly.

The connection mode of locating lever 14 and spliced pole 9 is sliding connection, and the top diameter of locating lever 14 is greater than the bottom diameter of locating lever 14 to the top diameter of locating lever 14 is less than the diameter of spacing hole 11, and the locating lever 14 of being convenient for slides and shifts, can restrict the position of location axle 13 through locating lever 14 simultaneously, avoids location axle 13 and accomodates hole 12 and takes place the separation.

The working principle is as follows: according to fig. 1 and fig. 6, firstly, a worker slides a first connecting straight pipe 4 into an inlet at one end of an alloy elbow 1 for clamping connection, so that a positioning hole 5 on the first connecting straight pipe 4 is butted with a positioning column 3, the positioning column 3 slides into the positioning hole 5 for clamping and fixing, and meanwhile, the first connecting straight pipe 4 is attached and connected with a sealing ring 2, so that the subsequent worker can conveniently perform welding and fixing work;

according to the figures 1-5, after the worker slides the second connecting straight pipe 16 into the circular groove formed by the alloy elbow 1 and the limiting sleeve 6, the second connecting straight pipe 16 is contacted with the positioning shaft 13, the positioning shaft 13 is extruded, the positioning shaft 13 is contracted and operated through the accommodating hole 12, so that the positioning shaft 13 pushes the expansion spring 15 to contract, meanwhile, the positioning shaft 13 pushes the positioning rod 14 to slide, when the second connecting straight pipe 16 is attached and connected with the sealing ring 7, the positioning shaft 13 is aligned with the positioning groove 17, so that the positioning shaft 13 is pushed by the elastic force of the expansion spring 15 to reset, the positioning shaft 13 is conveniently slid into the positioning groove 17 to be clamped and connected, so that the fixing work is carried out, the loosening phenomenon is avoided, the subsequent worker can rotate the connecting column 9 through the connection of the screwdriver and the cross groove 10, and the connecting column 9 is conveniently separated from the connecting hole 8 by rotation, the disassembly is convenient, which is the working process of the whole device, and the content which is not described in detail in the specification belongs to the prior art which is known by the person skilled in the art.

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 cold formula elbow that expands of smooth tight cutting ferrule of welding, includes alloy elbow (1) and sealing ring (2), its characterized in that: the left end of the alloy elbow (1) is internally provided with a sealing ring (2) and a positioning column (3), the positioning column (3) penetrates through the sealing ring (2), the left end of the alloy elbow (1) is connected with the bottom end of a first connecting straight pipe (4) in a clamping manner, the outer frame of the first connecting straight pipe (4) is provided with a positioning hole (5), the positioning hole (5) is connected with the positioning column (3) in an interconnection manner, the outer surface of the right end of the alloy elbow (1) is fixedly welded with a limiting sleeve (6), a sealing ring (7) is arranged inside the limiting sleeve (6), the outer frame of the limiting sleeve (6) is provided with a connecting hole (8), a connecting column (9) is arranged inside the connecting hole (8), the top surface of the connecting column (9) is provided with a cross groove (10), and the top center of the connecting column (9) is provided with a limiting hole (11), the bottom center of spliced pole (9) is provided with and accomodates hole (12), and the internally mounted of accomodating hole (12) has location axle (13), the central screw thread fixed mounting of location axle (13) has locating lever (14), and the outside of locating lever (14) cup joints and installs expanding spring (15) to expanding spring (15) are located the inside of accomodating hole (12), the top and spacing hole (11) interconnect of locating lever (14) simultaneously, spacing sleeve (6) cup joint and install the outside at second connection straight tube (16), and second connection straight tube (16) cup joint the right-hand member outside of installing in alloy elbow (1), constant head tank (17) have been seted up to the surface that straight tube (16) was connected to the second, and constant head tank (17) and location axle (13) interconnect.

2. The cold expanding elbow with the sliding clamping sleeve for welding according to claim 1, is characterized in that: the positioning hole (5) is connected with the positioning column (3) in a clamping mode, the top end of the positioning column (3) is arranged in an arc-shaped structure, the positioning hole (5) is distributed at equal angles on the first connecting straight pipe (4), and meanwhile the depth of the positioning hole (5) is larger than the height of the positioning column (3).

3. The cold expanding elbow with the sliding clamping sleeve for welding according to claim 1, is characterized in that: the connecting mode of the connecting hole (8) and the connecting column (9) is threaded connection, and the connecting column (9) is distributed on the limiting sleeve (6) at equal angles.

4. The cold expanding elbow with the sliding clamping sleeve for welding according to claim 1, is characterized in that: location axle (13) constitute extending structure through expanding spring (15) and accomodate hole (12) and spliced pole (9), and location axle (13) are connected for the block with the connected mode of constant head tank (17) to the bottom of location axle (13) is the arc column structure setting.

5. The cold expanding elbow with the sliding clamping sleeve for welding according to claim 1, is characterized in that: the connecting mode of locating lever (14) and spliced pole (9) is sliding connection, and the top diameter of locating lever (14) is greater than the bottom diameter of locating lever (14) to the top diameter of locating lever (14) is less than the diameter of spacing hole (11).