CN210770924U

CN210770924U - Novel double-clamping type elbow pipe fitting of carbon steel

Info

Publication number: CN210770924U
Application number: CN201921273373.0U
Authority: CN
Inventors: 王勇志; 何生; 孙英伟
Original assignee: Hebei Shenglong New Material Co ltd
Current assignee: Hebei Shenglong New Material Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-06-16
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a novel two clamp pressure formula elbow pipe fittings of carbon steel, including connecting bend, connecting bend's one end is connected with the card and presses the joint, connecting bend's the other end is connected with down the card and presses the joint, go up the inside that the card pressed the joint and the inside that the card pressed the joint down all including the joint body, the sealing washer standing groove has been seted up to the lateral wall tip that connects the body, O shape sealing washer has been placed to the inboard of sealing washer standing groove, go up the card and press and connect between the bend and be the integral type between joint and the connecting bend and press and connect the bend and lower card between be connected. The utility model discloses a set up the connected elbow, go up the card and press the joint, press joint, sealing washer standing groove and O shape sealing washer down, the connected mode of having solved connected elbow is not simple and convenient enough, the equipment of not being convenient for and the loaded down with trivial details problem that manufacturing cost that causes of manufacturing procedure is high.

Description

Novel double-clamping type elbow pipe fitting of carbon steel

Technical Field

The utility model relates to a piping installation technical field specifically is a novel two joint pressure formula elbow pipe fittings of carbon steel.

Background

The carbon steel pipe is made by perforating steel ingot or solid round steel to make into a hollow billet, and then hot rolling or cold rolling. Carbon steel pipes play an important role in the steel pipe industry in China. Carbon steel pipes are classified into hot rolled and cold rolled (drawn) steel pipes. The hot-rolled carbon steel pipe can be classified into general steel pipes, low and medium pressure boiler steel pipes, high pressure boiler steel pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes, geological steel pipes, other steel pipes, and the like. Carbon steel tubes are very common in life, and become a part of our daily life. The carbon steel pipe is used for pipe connecting pieces for connecting pipelines when in use, the pipe connecting pieces at the present stage can meet the basic use requirements, but still have defects and shortcomings in some aspects when in actual use.

Through the retrieval, patent publication No. CN201818949U discloses a stainless steel return bend connection pipe fitting of punching press manufacturing, including body, flange board and sealing washer, the body is gone into to the flange board cover, the sealing washer suit is on the body, and sealing washer one end gland flange board, sealing washer other end gland nut, it is provided with the bending body to connect the pipe fitting.

The stainless steel elbow connecting pipe fitting manufactured by stamping in the prior art has the following defects:

1. the connection mode of the connection elbow is not simple, labor and time cost are wasted during assembly, the connection elbow is not easy to use on site, and the connection elbow is not simple and convenient to process and needs to be formed by welding;

2. the connecting bent pipe has complex working procedures, more internal parts and more forming steps, wastes labor cost, time cost and material cost during production, and is not easy to popularize and use;

3. the pipe connection is not good in sealing performance and safety effect.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a novel two jam-on formula elbow pipe fittings of carbon steel has solved the connected elbow's connected mode simple and convenient enough, the equipment of not being convenient for and the loaded down with trivial details problem that manufacturing cost caused of manufacturing procedure is high.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel two jam pressure formula elbow pipe fittings of carbon steel, includes connecting bend, connecting bend's one end is connected with the card and presses the joint, connecting bend's the other end is connected with down the card and presses the joint, go up the inside that the card pressed the joint and all include the joint body with the inside that the card pressed the joint down, the sealing washer standing groove has been seted up to the lateral wall tip that connects the body, the O shape sealing washer has been placed to the inboard of sealing washer standing groove.

Preferably, the upper clamping and pressing joint and the connecting elbow pipe and the lower clamping and pressing joint and the connecting elbow pipe are integrally connected.

Preferably, through holes are formed in the connecting elbow, the upper clamping and pressing joint and the lower clamping and pressing joint, and the diameters of the through holes are consistent.

Preferably, the connecting bent pipe is formed by bending a pipe bender.

Preferably, the end parts of the outer side walls of the upper clamping and pressing joint and the lower clamping and pressing joint are both finished through water expansion forming operation.

Preferably, the outer wall of the connecting elbow, the outer wall of the upper clamping and pressing joint and the outer wall of the lower clamping and pressing joint are provided with anti-corrosion layers.

(III) advantageous effects

The utility model provides a novel two jam-on formula elbow pipe fittings of carbon steel possesses following beneficial effect:

(1) the utility model discloses a set up the connection return bend, go up the card and press the joint down, this elbow pipe fitting design is simple and convenient, the field assembly of the device of being convenient for, and then practice thrift the time and the human cost of installation, this device procedure is simple simultaneously, need not welding and take shape, the elbow pipe fitting adopts bending machine bending, go up card pressure joint and lower card pressure joint tip after the shaping and pass through the water expanding shaping, be suitable for the processing use of elbow pipe fitting, it is loaded down with trivial details to have solved the pipe connecting piece design, be difficult for the problem of installing field assembly, this elbow pipe fitting passes through the mode one shot forming of bending machine, the tip of elbow pipe fitting sets up to card pressure joint, direct mode and outside pipe connection through card pressure joint during the use, it.

(2) The utility model discloses a set up the connection elbow, go up the card pressure joint and block down the pressure joint, the procedure that this device adds man-hour is simple, connection elbow, go up the card pressure joint and block down and need not weld forming between the pressure joint, connection elbow, go up the card pressure joint and block down and buckle the shaping through the mode of bending machine between the pressure joint, efficient, can effectively practice thrift manpower, material resources and time cost, it is very simple and convenient, the cost of pipe connecting piece has been reduced, and then the popular use of the device of being convenient for.

(3) The utility model discloses a set up sealing washer standing groove and O shape sealing washer, the utility model discloses press to connect and press to connect the tip of lateral wall through the water shaping that rises at last calorie, the tip forms the sealing washer standing groove structure, through sealing washer standing groove installation O shape sealing washer during the use, can play sealed effect, makes the connection between the pipe fitting safe and reliable more to this has solved the not good problem of union coupling leakproofness.

Drawings

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

FIG. 2 is a schematic structural view of the upper clamping and pressing joint of the present invention;

fig. 3 is a schematic structural view of the connecting elbow of the present invention.

The reference numbers in the figures are: 1. connecting a bent pipe; 2. a pressure joint is clamped; 3. pressing the joint downwards; 4. a connector body; 5. a sealing ring placing groove; 6. an O-shaped sealing ring; 7. a through hole; 8. and an anti-corrosion layer.

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.

As shown in fig. 1-3, the utility model provides a technical solution: a novel carbon steel double-clamping-pressing type elbow pipe fitting comprises a connecting elbow pipe 1, wherein one end of the connecting elbow pipe 1 is connected with an upper clamping-pressing joint 2, the other end of the connecting elbow pipe 1 is connected with a lower clamping-pressing joint 3, the connecting elbow pipe 1 is connected with an external pipe body in a mode of the upper clamping-pressing joint 2 and the lower clamping-pressing joint 3 in use, the connecting elbow pipe 1 is formed by a pipe bending machine in a bending mode, the mode is very simple and convenient, welding is not needed, the end parts of the outer side walls of the upper clamping-pressing joint 2 and the lower clamping-pressing joint 3 are all completed through water expansion forming operation, the upper clamping-pressing joint 2 and the connecting elbow pipe 1 are connected in an integrated mode, through holes 7 are formed in the inside of the connecting elbow pipe 1, the inside of the upper clamping-pressing joint 2 and the inside of the lower clamping-pressing joint 3, the aperture of the through holes 7 is consistent, and anti-corrosion layers 8 are arranged on the outer walls of the outer, reducible corrosion effect, can adopt coating evenly densely and compactly to coat on the outer wall of the connection return bend 1 through the rust cleaning, go up on the outer wall of card pressure joint 2 and on the outer wall of lower card pressure joint 3, go up the inside of card pressure joint 2 and the inside of lower card pressure joint 3 and all including joint body 4, sealing washer standing groove 5 has been seted up to the lateral wall tip that connects body 4, O shape sealing washer 6 has been placed to the inboard of sealing washer standing groove 5, the seal of reinforcing means, the security is good.

The working principle is as follows: the device adopts a pipe bender to bend, after bending treatment of the pipe bender, a connecting bent pipe 1 is formed into a bent shape, one end of the connecting bent pipe 1 is provided with an upper clamping and pressing joint 2, the other end of the connecting bent pipe is provided with a lower clamping and pressing joint 3, the outer side wall of the upper clamping and pressing joint 2 and the end part of the outer side wall of the lower clamping and pressing joint 3 are formed by water expansion, the connecting bent pipe is connected with an external pipeline in a mode of the upper clamping and pressing joint 2 and the lower clamping and pressing joint 3 when in use, the end part of the upper clamping and pressing joint 2 and the end part of the lower clamping and pressing joint 3 form a sealing ring placing groove 5, an O-shaped sealing ring 6 is arranged inside the sealing ring placing groove 5, the O-shaped sealing ring 6 is made of rubber materials, the O-shaped sealing ring 6 is connected with the external pipeline when in use, a sealing effect is achieved, the connection safety between the device and the, procedures such as welding are not needed, time, labor and material cost can be saved, and the device is simple and convenient to design and convenient to popularize.

To sum up can, the utility model discloses a set up the joint bend 1, go up the card and press to connect 2, lower card and press to connect 3, sealing washer standing groove 5 and O shape sealing washer 6, solved the connected mode of joint bend not enough simple and convenient, be not convenient for assemble with and the loaded down with trivial details problem that manufacturing cost is high that causes of manufacturing procedure.

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 novel two jam-on formula elbow pipe fittings of carbon steel, includes connecting elbow (1), its characterized in that: the one end of connecting elbow (1) is connected with card pressure joint (2), the other end of connecting elbow (1) is connected with down card pressure joint (3), go up the inside of card pressure joint (2) and the inside of card pressure joint (3) down and all including joint body (4), sealing washer standing groove (5) have been seted up to the lateral wall tip that connects body (4), O shape sealing washer (6) have been placed to the inboard of sealing washer standing groove (5).

2. The novel double-clamping-pressing type elbow pipe fitting made of carbon steel as claimed in claim 1, wherein: the upper clamping pressure joint (2) and the connecting bent pipe (1) as well as the lower clamping pressure joint (3) and the connecting bent pipe (1) are integrally connected.

3. The novel double-clamping-pressing type elbow pipe fitting made of carbon steel as claimed in claim 1, wherein: the inside of connecting elbow (1), go up the inside of card pressure joint (2) and the inside of card pressure joint (3) down all are formed with through-hole (7), and the aperture of through-hole (7) is unanimous.

4. The novel double-clamping-pressing type elbow pipe fitting made of carbon steel as claimed in claim 1, wherein: the connecting bent pipe (1) is formed by bending a pipe bender.

5. The novel double-clamping-pressing type elbow pipe fitting made of carbon steel as claimed in claim 1, wherein: the end parts of the outer side walls of the upper clamping and pressing joint (2) and the lower clamping and pressing joint (3) are all finished through water expansion forming operation.

6. The novel double-clamping-pressing type elbow pipe fitting made of carbon steel as claimed in claim 1, wherein: and the outer wall of the connecting elbow (1), the outer wall of the upper clamping and pressing joint (2) and the outer wall of the lower clamping and pressing joint (3) are provided with anti-corrosion layers (8).