CN214368379U

CN214368379U - Stainless steel flange with good sealing performance

Info

Publication number: CN214368379U
Application number: CN202120609890.1U
Authority: CN
Inventors: 张志坚
Original assignee: Zhejiang Haibo Flange Manufacturing Co ltd
Current assignee: Zhejiang Haibo Flange Manufacturing Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-10-08
Anticipated expiration: 2031-03-25

Abstract

The utility model belongs to the field of flanges, in particular to a stainless steel flange with good sealing performance, aiming at the problem that when the existing stainless steel flange is connected with a pipeline, the pipeline still slides transversely and then drops off, thereby leading to poor sealing performance, the proposal is provided, which comprises two stainless steel flange connecting edges, one side of the stainless steel flange connecting edge which is close to each other is fixedly connected with a connecting through column, one side of the connecting through column which is close to each other is fixedly connected with a fixed connecting edge, a plurality of connecting fixing holes are arranged inside the fixed connecting edge and the stainless steel flange connecting edge, in the utility model, a plurality of extruding plates extrude and clamp the pipeline by inserting the pipeline, so that the two pipelines are butted more firmly, and a fixing component is additionally arranged, and the connecting fixing holes are connected with the nut threads which are matched with each other by bolts, the clamping block is clamped with the through hole, and the butt joint stability of the pipeline is further ensured.

Description

Stainless steel flange with good sealing performance

Technical Field

The utility model relates to a flange technical field especially relates to a stainless steel flange that sealing performance is good.

Background

A flange, also known as 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 (screw thread 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, the connection is only a part of equipment, such as the connection between a flange and a water pump, and the water pump is not easy to be called as a flange part. The small-sized valve can be called as a flange part.

Notice No. is CN 211289105U's utility model discloses a stainless steel flange that sealing performance is good relates to stainless steel flange technical field, and sealing performance is not good enough when solving current stainless steel flange and use, the inconvenient problem of connecting. First connection leads to the post is installed to one side on first stainless steel flange joint limit, first fixed connection limit is installed to the opposite side that first connection leads to the post, sealed piece is installed to the opposite side on first fixed connection limit, second fixed connection limit is installed to the opposite side of sealed piece, the inside on second fixed connection limit is provided with connects the fixed orifices, second connection leads to the post is installed to the opposite side on second fixed connection limit, second stainless steel flange joint limit is installed to the opposite side that the post is led to in the second connection.

The flange is needed when the hard pipelines are butted, but when the stainless steel flange is connected with the pipelines, the pipelines still slide transversely and then fall off, so that the sealing performance is poor, and the stainless steel flange with good sealing performance is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a stainless steel flange with good sealing performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a stainless steel flange with good sealing performance comprises two stainless steel flange connecting edges, wherein one side, close to each other, of each stainless steel flange connecting edge is fixedly connected with a connecting through column, one side, close to each other, of each connecting through column is fixedly connected with a fixing connecting edge, a plurality of connecting fixing holes are formed in the fixing connecting edges and the stainless steel flange connecting edges, the inner wall of each fixing connecting edge is fixedly connected with a plurality of arc-shaped blocks in an annular equal distance mode, one side, close to each other, of each arc-shaped block is fixedly connected with the same sealing ring, a first mounting groove is formed in each arc-shaped block, a plurality of third mounting grooves which are respectively communicated with the first mounting groove are formed in the inner wall of each fixing connecting edge, clamping assemblies used for clamping pipelines are arranged in each third mounting groove, and pushing assemblies used for pushing the clamping assemblies are arranged in each first mounting groove, and a second mounting groove communicated with the connecting fixing hole is formed in the fixed connecting edge, and a fixing component for fixing the pushing component is arranged in the second mounting groove.

Preferably, the clamping assembly comprises a tension spring fixedly connected to the inner wall of one side of the third mounting groove, an extrusion plate is fixedly connected to one end of the tension spring, two sliding grooves symmetrically formed in the extrusion plate are formed in the extrusion plate, multiple groups of sliding rods symmetrically formed in the inner wall of the fixed connecting edge are connected to the sliding grooves in a sliding mode, and a triangular rod is fixedly connected to one side of the extrusion plate.

Preferably, promote the subassembly and include the first spring of fixed connection at first mounting groove one side inner wall, the one end fixedly connected with U template of first spring, the both sides of U template respectively with the both sides inner wall sliding connection of first mounting groove, the one end fixedly connected with of U template is located the three hornblocks of third mounting groove, one side inclined plane of three hornblocks is inconsistent with the one end inclined plane of three horn bars.

Preferably, the fixed subassembly includes the second spring of fixed connection at second mounting groove one side inner wall, the other one end fixedly connected with diaphragm of second spring, the diaphragm is kept away from one side fixedly connected with who connects the fixed orifices and is run through the fixture block of second spring, the one end of fixture block runs through the second mounting groove and extends to in the first mounting groove.

Preferably, the U-shaped plate is internally provided with a through hole matched with the clamping block.

Preferably, one side of the transverse plate close to the connecting and fixing hole is fixedly connected with a hemispherical convex block positioned in the connecting and fixing hole.

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

1. inserting two pipelines to be butted into the connecting edges of the two stainless steel flanges respectively, extruding a sealing ring at one end of each pipeline and pushing a plurality of U-shaped plates to move transversely, extruding a first spring by the U-shaped plates and driving a triangular block to move transversely, driving a plurality of triangular rods to approach each other by the triangular blocks, stretching a tension spring by the triangular rods and driving a plurality of extrusion plates to approach each other, and extruding the pipelines and clamping the pipelines by the extrusion plates;

2. align two fixed connection limits to pass the nut threaded connection who connects fixed orifices and looks adaptation with the bolt, and then two fixed connection limits of fixed connection, the bolt promotes the hemisphere lug, and the hemisphere lug drives the diaphragm case and keeps away from the direction removal of connecting the fixed orifices, and the diaphragm drives the fixture block case and keeps away from the direction removal of connecting the fixed orifices and extrudees the second spring, fixture block and through-hole block this moment for prevent that the pipeline from droing.

The utility model discloses in, insert through the pipeline, and then make a plurality of stripper plates extrusion and press from both sides tight pipeline for two pipeline docks more firmly, and add and established fixed subassembly, pass the nut threaded connection who connects fixed orifices and looks adaptation through the bolt, make fixture block and through-hole block, further guaranteed the stability of pipeline butt joint.

Drawings

Fig. 1 is a three-dimensional view of a stainless steel flange with good sealing performance provided by the utility model;

FIG. 2 is a schematic sectional view of the fixed connecting edge of the present invention;

fig. 3 is an enlarged view of the portion a of the present invention.

In the figure: 1. a stainless steel flange connecting edge; 2. fixing the connecting edge; 3. connecting the fixing holes; 4. connecting the through columns; 5. a seal ring; 6. an arc-shaped block; 7. a U-shaped plate; 8. a first mounting groove; 9. a first spring; 10. a clamping block; 11. a second spring; 12. a transverse plate; 13. a hemispherical bump; 14. a second mounting groove; 15. a through hole; 16. a triangular block; 17. a tension spring; 18. a slide bar; 19. a chute; 20. a pressing plate; 21. a triangular rod; 22. and a third mounting 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.

Example one

Referring to fig. 1-3, a stainless steel flange with good sealing performance comprises two stainless steel flange connecting edges 1, wherein one side of each stainless steel flange connecting edge 1, which is close to each other, is fixedly connected with a connecting through column 4, one side of each connecting through column 4, which is close to each other, is fixedly connected with a connecting edge 2, the inner parts of the connecting edges 2 and the stainless steel flange connecting edges 1 are respectively provided with a plurality of connecting and fixing holes 3, the inner wall of each connecting edge 2 is fixedly connected with a plurality of arc-shaped blocks 6 in an annular equidistant manner, one side of each arc-shaped block 6, which is close to each other, is fixedly connected with a same sealing ring 5, the inner parts of the arc-shaped blocks 6 are respectively provided with a first mounting groove 8, the inner wall of each connecting edge 2 is provided with a plurality of third mounting grooves 22 which are respectively communicated with the first mounting grooves 8, and the inner parts of the plurality of the third mounting grooves 22 are respectively provided with a clamping component for clamping a pipeline, the inside of a plurality of first mounting grooves 8 all is provided with the promotion subassembly that is used for promoting clamping component, and the inside on fixed connection limit 2 is seted up and is connected the second mounting groove 14 that fixed orifices 3 is linked together, and the inside of second mounting groove 14 is provided with the fixed subassembly that is used for fixed promotion subassembly.

Example two

The embodiment is improved on the basis of the first embodiment: the clamping assembly comprises a tension spring 17 fixedly connected to the inner wall of one side of a third mounting groove 22, one end of the tension spring 17 is fixedly connected with an extrusion plate 20, two sliding grooves 19 which are symmetrically arranged are formed in the extrusion plate 20, a plurality of groups of two sliding rods 18 which are symmetrically arranged are fixedly connected to the inner wall of a fixed connecting edge 2, the sliding rods 18 are slidably connected with the sliding grooves 19, one side of the extrusion plate 20 is fixedly connected with a triangular rod 21, the pushing assembly comprises a first spring 9 fixedly connected to the inner wall of one side of the first mounting groove 8, one end of the first spring 9 is fixedly connected with a U-shaped plate 7, two sides of the U-shaped plate 7 are respectively slidably connected with the inner walls of two sides of the first mounting groove 8, one end of the U-shaped plate 7 is fixedly connected with a triangular block 16 positioned in the third mounting groove 22, one side inclined plane of the triangular block 16 is abutted to one end inclined plane of the triangular rod 21, the fixing assembly comprises a second spring 11 fixedly connected to the inner wall of one side of the second mounting groove 14, another one end fixedly connected with diaphragm 12 of second spring 11, one side fixedly connected with that diaphragm 12 is kept away from to be connected fixed orifices 3 runs through fixture block 10 of second spring 11, and the one end of fixture block 10 runs through second mounting groove 14 and extends to in the first mounting groove 8.

EXAMPLE III

The embodiment is improved on the basis of the first embodiment: through holes 15 matched with the clamping blocks 10 are formed in the U-shaped plate 7, and the transverse plate 12 is fixedly connected with a hemispherical convex block 13 located inside the connecting fixing hole 3 and close to one side of the connecting fixing hole 3.

The working principle is as follows: when the pipeline clamping device is used, two pipelines to be butted are respectively inserted into two stainless steel flange connecting edges 1, one end of each pipeline extrudes a sealing ring 5 and pushes a plurality of U-shaped plates 7 to move transversely, at the moment, the U-shaped plates 7 extrude a first spring 9 and drive a triangular block 16 to move transversely, the triangular block 16 drives a plurality of triangular rods 21 to approach each other, at the moment, the triangular rods 21 stretch a tension spring 17 and drive a plurality of extrusion plates 20 to approach each other, at the moment, the extrusion plates 20 extrude the pipelines and clamp the two fixed connecting edges 2 to be aligned, bolts penetrate through the connecting fixing holes 3 to be in threaded connection with matched nuts, so as to fix the two fixed connecting edges 2, the bolts push the hemispherical convex blocks 13, the hemispherical convex blocks 13 drive the transverse plates 12 to move in the direction far away from the connecting fixing holes 3, the transverse plates 12 drive the clamping blocks 10 to move in the direction far away from the connecting fixing holes 3 and extrude the second springs 11, at this time, the latch 10 is engaged with the through hole 15 to prevent the pipe from falling off.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A stainless steel flange with good sealing performance comprises two stainless steel flange connecting edges (1), wherein one side of each stainless steel flange connecting edge (1) close to each other is fixedly connected with a connecting through column (4), one side of each connecting through column (4) close to each other is fixedly connected with a fixed connecting edge (2), a plurality of connecting and fixing holes (3) are formed in the fixed connecting edges (2) and the stainless steel flange connecting edges (1), the stainless steel flange sealing device is characterized in that the inner wall of each fixed connecting edge (2) is fixedly connected with a plurality of arc-shaped blocks (6) in an annular equidistant manner, one side of each arc-shaped block (6) close to each other is fixedly connected with a same sealing ring (5), a plurality of first mounting grooves (8) are formed in the inner parts of the arc-shaped blocks (6), a plurality of third mounting grooves (22) communicated with the first mounting grooves (8) respectively are formed in the inner wall of each fixed connecting edge (2), a plurality of the inside of third mounting groove (22) all is provided with the clamping component who is used for pressing from both sides tight pipeline, and is a plurality of the inside of first mounting groove (8) all is provided with the promotion subassembly that is used for promoting clamping component, second mounting groove (14) that are linked together with being connected fixed orifices (3) are seted up to the inside on fixed connection limit (2), the inside of second mounting groove (14) is provided with the fixed subassembly that is used for fixed promotion subassembly.

2. The stainless steel flange with good sealing performance according to claim 1, wherein the clamping assembly comprises a tension spring (17) fixedly connected to the inner wall of one side of a third mounting groove (22), one end of the tension spring (17) is fixedly connected with an extrusion plate (20), two sliding grooves (19) symmetrically arranged are formed in the extrusion plate (20), a plurality of groups of two sliding rods (18) symmetrically arranged are fixedly connected to the inner wall of the fixed connecting edge (2), the sliding rods (18) are slidably connected with the sliding grooves (19), and a triangular rod (21) is fixedly connected to one side of the extrusion plate (20).

3. The stainless steel flange with good sealing performance according to claim 1, wherein the pushing assembly comprises a first spring (9) fixedly connected to the inner wall of one side of the first mounting groove (8), one end of the first spring (9) is fixedly connected with a U-shaped plate (7), two sides of the U-shaped plate (7) are respectively in sliding connection with the inner walls of two sides of the first mounting groove (8), one end of the U-shaped plate (7) is fixedly connected with a triangular block (16) positioned in the third mounting groove (22), and one side inclined surface of the triangular block (16) is abutted to one end inclined surface of the triangular rod (21).

4. The stainless steel flange with good sealing performance according to claim 1, wherein the fixing assembly comprises a second spring (11) fixedly connected to the inner wall of one side of the second mounting groove (14), a transverse plate (12) is fixedly connected to the other end of the second spring (11), a clamping block (10) penetrating through the second spring (11) is fixedly connected to one side, far away from the connecting and fixing hole (3), of the transverse plate (12), and one end of the clamping block (10) penetrates through the second mounting groove (14) and extends into the first mounting groove (8).

5. The stainless steel flange with good sealing performance according to claim 3, wherein the U-shaped plate (7) is internally provided with a through hole (15) matched with the clamping block (10).

6. The stainless steel flange with good sealing performance according to claim 4, wherein one side of the transverse plate (12) close to the connecting and fixing hole (3) is fixedly connected with a hemispherical convex block (13) positioned inside the connecting and fixing hole (3).