CN212080429U

CN212080429U - Flange with pipeline stress relieving function

Info

Publication number: CN212080429U
Application number: CN202020375579.0U
Authority: CN
Inventors: 张志勇
Original assignee: Jiangsu Furuidi Machinery Manufacturing Co ltd
Current assignee: Jiangsu Furuidi Machinery Manufacturing Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-12-04
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a flange that possesses pipeline stress relieving function relates to flange technical field, for the flange of solving among the prior art be connected the back with pipeline, the pipeline can receive the impact that receives transmission medium for a long time with the junction of flange pipe, leads to being connected between flange and the pipeline to appear becoming flexible to cause the problem of transmission medium leakage. The flange bushing subassembly is including buffering montage sleeve pipe, buffering montage sheathed tube top is provided with the metal inner tube, the outside of metal inner tube one end is provided with the metal flange dish, and metal flange dish and metal inner tube fixed connection, the surface of metal flange dish is provided with fixed screw, the sheathed tube one end of buffering montage is provided with to accomodating the groove, the other end of metal inner tube is provided with covers the switching pipe outward, and covers the switching pipe outward and to accomodating groove built-up connection, the surface that covers switching pipe outward and buffering montage sleeve pipe all is provided with the screw.

Description

Flange with pipeline stress relieving function

Technical Field

The utility model relates to a flange technical field specifically is a flange that possesses pipeline stress relief function.

Background

The flange is also called a flange collar or flange. The flange is a part for connecting the shafts and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment for the connection between two pieces of equipment, such as reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. The pipeline flange is a flange for piping in a pipeline device, and is used on equipment to be an inlet and outlet flange of the equipment. The flanges are provided with holes, and the two flanges are tightly connected through bolts. The flanges are sealed with gaskets. The flange is divided into a threaded connection flange, a welding flange and a clamping flange. The flanges are used in pairs, the low-pressure pipeline can be screwed with the flanges, and the flanges are welded under the pressure of more than four kilograms. And a sealing gasket is arranged between the two flanges and then is fastened by bolts. The flanges of different pressures have different thicknesses and they use different bolts. When the water pump and the valve are connected with a pipeline, the parts of the equipment and equipment are also made into corresponding flange shapes, which are also called flange connection. The connecting parts which are connected by using bolts at the peripheries of two planes and are closed at the same time are generally called flanges, and for example, the connecting parts of the ventilating duct can be called flange parts.

However, after the existing flange is connected with a conveying pipeline, the joint of the pipeline and the flange pipe is impacted by a transmission medium for a long time, so that the connection between the flange and the pipeline is loosened, and the transmission medium is leaked; therefore, the existing requirements are not met, and a flange with a pipeline stress relieving function is provided for the flange.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flange that possesses pipeline stress relieving function to the flange that proposes in solving above-mentioned background art is being connected the back with pipeline, and the pipeline can receive transmission medium's impact with the junction of flange pipe for a long time, leads to being connected between flange and the pipeline to appear becoming flexible, thereby causes the problem of transmission medium leakage.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flange that possesses pipeline stress relief function, includes flange sleeve subassembly, flange sleeve subassembly includes buffering montage sleeve pipe, buffering montage sheathed tube top is provided with the metal inner tube, the outside of metal inner tube one end is provided with the metal flange dish, and metal flange dish and metal inner tube fixed connection, the surface of metal flange dish is provided with fixed screw, the sheathed tube one end of buffering montage is provided with to accomodating the groove, the other end of metal inner tube is provided with covers the switching pipe outward, and covers the switching pipe outward and to accomodating groove built-up connection.

Preferably, the outer surface of the outer covering adapter tube and the outer surface of the buffer assembly sleeve are both provided with screw holes, and the outer covering adapter tube is connected with the buffer assembly sleeve through an anchoring bolt.

Preferably, a sealing rubber ring is arranged between the buffer assembling sleeve and the metal inner tube, and the sealing rubber ring is connected with the buffer assembling sleeve and the metal inner tube through clamping grooves.

Preferably, the metal inner pipe is provided with an expansion surface inside, and one end of the expansion surface is provided with a trapezoidal buffer surface.

Preferably, the inside of the buffer assembly sleeve is provided with a wave-shaped buffer curved surface, and two ends of the wave-shaped buffer curved surface are both provided with parallel interfaces.

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

1. the utility model discloses a buffering montage sheathed tube inside mainly sets up to wave form buffering curved surface, and set up to parallel interface at wave form buffering curved surface's both ends, parallel interface is for the convenience sleeve pipe is connected between with pipeline and the flange pipe, the transmission medium of during operation pipeline inside can enter into buffering montage sheathed tube inside earlier, flow by the influence of wave form buffering curved surface afterwards, play a buffering effect through the special ripple shape in the sleeve pipe, reduce the impact force of medium, avoid leading to the interface to appear not hard up the condition of leaking because of the impact that the medium of pipeline inside brought;

2. the utility model discloses an inside dilatation face and trapezoidal buffering face of being of metal inner tube constitute, trapezoidal buffering face one end is connected with buffering montage sleeve pipe, the diameter of this department is close with the intraductal ripple diameter of cover, the condition of cutout card stopper appears because of the pipe diameter is poor too big when getting into the metal inner tube to the medium that can avoid the intraductal portion of cover like this, and the other end of trapezoidal buffering face then is the dilatation face, the diameter that expands the face that holds will be greater than trapezoidal buffering face, after the impact force of medium reduces, resume the flow again, ensure the normal transport efficiency of medium.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic structural diagram of the utility model a.

In the figure: 1. a flanged bushing assembly; 2. the buffer is connected with the sleeve; 3. a metal flange plate; 4. fixing screw holes; 5. a metal inner tube; 6. a capacity expanding surface; 7. a trapezoidal buffer surface; 8. a switching tube is externally covered; 9. butt-joint receiving grooves; 10. an anchor bolt; 11. a wave-shaped buffer curved surface; 12. a parallel interface; 13. and sealing the rubber ring.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a flange that possesses pipeline stress elimination function, including flange sleeve subassembly 1, flange sleeve subassembly 1 is including buffering montage sleeve pipe 2, buffering montage sleeve pipe 2's top is provided with metal inner tube 5, the outside of 5 one ends in the metal inner tube is provided with metal flange dish 3, and

metal flange dish

3 and 5 fixed connection in the metal inner tube, metal flange dish 3's surface is provided with fixed screw 4, can dock with the screw on another group's flange, buffering montage sleeve pipe 2's one end is provided with and receives groove 9 to the butt joint, metal inner tube 5's the other end is provided with covers the adapter pipe 8 outward, and cover adapter pipe 8 and receive groove 9 built-up connection to the butt joint.

Further, the outer surfaces of the outer covering adapter tube 8 and the buffer assembly sleeve 2 are provided with screw holes, and the outer covering adapter tube 8 is connected with the buffer assembly sleeve 2 through an anchoring bolt 10, so that the stability between the buffer assembly sleeve 2 and the metal inner tube 5 is enhanced.

Further, be provided with sealed rubber ring 13 between buffering montage sleeve pipe 2 and the metal inner tube 5, and sealed rubber ring 13 passes through the draw-in groove with buffering montage sleeve pipe 2 and metal inner tube 5 and is connected, and sealed rubber ring 13 itself has certain elasticity, even when the clearance appears changing, the leakproofness performance of laminating adaptation guarantee junction that the rubber ring also can be fine.

Further, the inside of metal inner tube 5 is provided with dilatation surface 6, and the diameter of dilatation surface 6 will be greater than trapezoidal buffering face 7, reduces the back at the impact force of medium, resumes the flow again, and the one end of dilatation surface 6 is provided with trapezoidal buffering face 7, and trapezoidal buffering face 7 one end is connected with buffering montage sleeve pipe 2, and the diameter of this department is close with the inside ripple diameter of sleeve pipe, can avoid the inside medium of sleeve pipe to appear the condition of cutout jam because of the pipe diameter difference is too big when getting into metal inner tube 5 like this.

Further, the inside of buffering montage sleeve pipe 2 is provided with wave form buffering curved surface 11, the inside transmission medium of pipeline can enter into buffering montage sleeve pipe 2's inside earlier, receive wave form buffering curved surface 11's influence afterwards to flow, play the effect of a buffering through the intraductal special ripple shape of cover, reduce the impact force of medium, and wave form buffering curved surface 11's both ends all are provided with parallel interface 12, the setting of the parallel interface 12 at both ends is for the convenience sleeve pipe and the pipeline and the flange pipe between be connected the use.

The working principle is as follows: when the buffer assembly sleeve is used, the outer coating adapter tube 8 at one end of the metal inner tube 5 is aligned to the butt-joint receiving groove 9 at one end of the buffer assembly sleeve 2 and inserted into the receiving groove, then the outer coating adapter tube 8 and the buffer assembly sleeve 2 are connected and fixed through the screw holes on the surfaces of the outer coating adapter tube 8 and the buffer assembly sleeve 2 through the anchor bolts 10, then the conveying pipeline is connected and connected at the other end of the buffer assembly sleeve 2, the inside of the buffer assembly sleeve 2 is provided with the wave-shaped buffer curved surface 11, the two ends of the wave-shaped buffer curved surface 11 are provided with the parallel interfaces 12, the parallel interfaces 12 are used for facilitating the connection between the sleeve and the pipeline and the flange tube, a transmission medium in the conveying pipeline firstly enters the buffer assembly sleeve 2 during working and then flows under the influence of the wave-shaped buffer curved surface 11, a buffer effect is achieved through the special wave shape in the sleeve, the impact force of the medium is reduced, and the, then the medium can flow into the metal inner pipe 5, the metal inner pipe 5 is internally composed of an expansion surface 6 and a trapezoidal buffer surface 7, one end of the trapezoidal buffer surface 7 is connected with the buffer assembly sleeve 2, the diameter of the position is close to the ripple diameter inside the sleeve, thus the situation of blocking due to cut-off caused by overlarge pipe diameter difference when the medium inside the sleeve enters the metal inner pipe 5 can be avoided, the other end of the trapezoidal buffer surface 7 is the expansion surface 6, the diameter of the expansion surface 6 is larger than that of the trapezoidal buffer surface 7, the flow is restored again after the impact force of the medium is reduced, and the normal conveying efficiency of the medium is ensured.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a flange that possesses pipeline stress relief function, includes flange thimble assembly (1), its characterized in that: flange bushing subassembly (1) is including buffering montage sleeve pipe (2), the top of buffering montage sleeve pipe (2) is provided with metal inner tube (5), the outside of metal inner tube (5) one end is provided with metal flange dish (3), and metal flange dish (3) and metal inner tube (5) fixed connection, the surface of metal flange dish (3) is provided with fixed screw (4), the one end of buffering montage sleeve pipe (2) is provided with to receiving groove (9), the other end of metal inner tube (5) is provided with covers switching pipe (8) outward, and covers switching pipe (8) outward and to receiving groove (9) built-up connection.

2. The flange with the pipeline stress relieving function as claimed in claim 1, wherein: the outer surface of the outer covering adapter tube (8) and the outer surface of the buffer assembly sleeve (2) are both provided with screw holes, and the outer covering adapter tube (8) is connected with the buffer assembly sleeve (2) through an anchoring bolt (10).

3. The flange with the pipeline stress relieving function as claimed in claim 1, wherein: a sealing rubber ring (13) is arranged between the buffer assembly sleeve (2) and the metal inner tube (5), and the sealing rubber ring (13) is connected with the buffer assembly sleeve (2) and the metal inner tube (5) through clamping grooves.

4. The flange with the pipeline stress relieving function as claimed in claim 1, wherein: the metal inner pipe (5) is internally provided with an expansion surface (6), and one end of the expansion surface (6) is provided with a trapezoidal buffer surface (7).

5. The flange with the pipeline stress relieving function as claimed in claim 1, wherein: the interior of the buffer assembly sleeve (2) is provided with a wave-shaped buffer curved surface (11), and two ends of the wave-shaped buffer curved surface (11) are provided with parallel interfaces (12).