CN217683774U

CN217683774U - Combined flange with sealing structure

Info

Publication number: CN217683774U
Application number: CN202221478839.2U
Authority: CN
Inventors: 刘培江
Original assignee: Cangzhou Chuangtuo Pipe Fittings Co ltd
Current assignee: Cangzhou Chuangtuo Pipe Fittings Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-10-28
Anticipated expiration: 2032-06-14

Abstract

The utility model belongs to the technical field of the flange, especially, be a combination formula flange with seal structure, including upper base and lower base, the upper end of upper base is provided with the nut, and the upper end of upper base is provided with the screw hole, the lower extreme of nut is connected with the threaded rod, and the distolateral draw-in groove of having seted up of threaded rod, the lower extreme of threaded rod is connected with the fixed block, and the week side of upper base is provided with the antirust coat, annular seal groove under the inside of upper base has been seted up, and the internally mounted of annular seal groove has seal ring down, screw hole down has been seted up to the inside of base down, and the upper end of base is provided with the protruding axle down. This combination formula flange with seal structure adopts the combination form to connect the flange that constitutes, when effectively avoiding a certain damage of flange body, will lead to whole flange to scrap, and material saving guarantees two flange chunk zonulae occludens, and just sealing performance is better, can use for a long time, and the practicality is high.

Description

Combined flange with sealing structure

Technical Field

The utility model relates to a flange technical field specifically is a combination formula flange with seal structure.

Background

The flange is a part for connecting pipes and is used for connecting pipe ends; there are flanges on the equipment import and export too, be used for the connection between two equipment, flange joint convenient to use can bear great pressure, and flange joint's use is very extensive in industrial pipeline, but present flange has some problems:

1. however, due to the change of the air pressure in the pipeline, the flange sealing surfaces can move along the directions separated from each other, the sealing element is easy to slide after being used for a long time, and the concentricity of the sealing element and the pipeline is difficult to ensure, so that the sealing property is influenced;

2. present flange all is holistic partly, when certain of flange body damaged, will lead to whole flange to scrap, extravagant material increases the cost, and is more troublesome at dismantlement and replacement in-process, makes its convenience low.

In order to solve the problems, innovative design is urgently needed on the basis of the original combined flange with a sealing structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combination formula flange with seal structure to propose the extravagant material of current combination formula flange with seal structure in solving above-mentioned background art, the incremental cost, sealed effect is poor, the low problem of practicality.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a combination formula flange with seal structure, includes upper base and lower base, the upper end of upper base is provided with the nut, and the upper end of upper base is provided with the screw hole to the intermediate position of upper base reserves has the bolt hole, the lower extreme of nut is connected with the threaded rod, and the distolateral draw-in groove of having seted up of threaded rod, the lower extreme of threaded rod is connected with the fixed block, the week side of upper base is provided with the antirust coat, and the inside of upper base has seted up down the annular seal groove to the internally mounted of annular seal groove has seal ring down, the centre of upper base is provided with connecting device, and connecting device's lower extreme installs lower base, connecting device's inside is provided with the connecting piece, and the week side of connecting piece is provided with the rubber circle, screw hole down has been seted up to the inside of lower base, and the upper end of lower base is provided with the protruding axle to the inside of lower base has seted up down the draw-in groove.

Preferably, a connecting and mounting structure is formed between the upper base and the lower base through a connecting piece, and the upper base and the lower base are arranged in parallel.

Preferably, the threaded rod and the nut are arranged in an embedded mode, and the threaded rod and the fixing block are arranged in a mutually perpendicular mode.

Preferably, the antirust layer and the upper base are arranged in an axis superposition mode, and the antirust layer and the lower base are arranged in an axis superposition mode.

Preferably, the lower annular sealing groove and the sealing washer are arranged in an embedded mode, and the two lower annular sealing grooves are symmetrically arranged by taking the connecting piece as an axis.

Preferably, the connecting piece and the rubber ring are tightly attached, and the connecting piece and the rubber ring are connected by glue.

Compared with the prior art, the beneficial effects of the utility model are that: the combined flange with the sealing structure adopts the flange formed by combining connection, so that the whole flange is effectively prevented from being scrapped when one flange body is damaged, materials are saved, two flange blocks are ensured to be tightly connected, the sealing performance is good, the combined flange can be used for a long time, and the practicability is high;

1. the flange divides the whole piece into an upper base and a lower base, a threaded hole is arranged at the middle position of the upper base and the lower base, the upper base and the lower base are connected together by a connecting piece, the connecting piece is connected with the upper base and the lower base according to the grains of the lower base, then the threaded hole of the upper base is opposite to the connecting piece, so that the upper base and the lower base are connected into an integral flange for use, and in order to avoid the looseness of the connecting piece for a long time, threaded rods are arranged at the left end and the right end of the upper base and the lower base for connection, the upper ends of the threaded rods are fixed by nuts, the lower ends of the threaded rods are welded on the base of the lower base, fixing blocks are welded on the connecting piece and the threaded rods, and the connection fixation of the connecting piece and the threaded rods is double-acting;

2. this flange will wholly divide into upper base and lower base, the connection with the connecting piece, it has the rubber circle to paste in the outside of connecting piece, utilize the toughness of rubber circle, fill up the space of upper base lower base and connecting piece, and ring seal groove has been seted up down in the punishment of being connected of upper base and lower base, ring seal groove internally mounted has seal ring to make its zonulae occludens between the two down, good sealed effect has, and because the inside atmospheric pressure of pipeline changes, it is corroded easily to use the sealing member for a long time, so at the outer one deck antirust coat of coating of upper base and lower base, increase its life, be convenient for be used for a long time.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the lower base and the upper base of the present invention;

FIG. 3 is a schematic view of the connection structure of the lower base and the connecting member of the present invention;

fig. 4 is a schematic sectional view of the present invention.

In the figure: 1. an upper base; 2. a nut; 3. an upper threaded hole; 4. bolt holes; 5. a threaded rod; 6. an upper clamping groove; 7. a fixed block; 8. a rust-proof layer; 9. a lower annular seal groove; 10. a sealing gasket; 11. a connecting device; 12. a lower base; 13. a connecting member; 14. a rubber ring; 15. a lower threaded hole; 16. a protruding shaft; 17. a lower clamping 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a combined flange with a sealing structure comprises an upper base 1, a nut 2, an upper threaded hole 3, a bolt hole 4, a threaded rod 5, an upper clamping groove 6, a fixing block 7, an antirust layer 8, a lower annular sealing groove 9, a sealing washer 10, a connecting device 11, a lower base 12, a connecting piece 13, a rubber ring 14, a lower threaded hole 15, a convex shaft 16 and a lower clamping groove 17, wherein the nut 2 is arranged at the upper end of the upper base 1, the upper threaded hole 3 is arranged at the upper end of the upper base 1, the bolt hole 4 is reserved in the middle of the upper base 1, the threaded rod 5 is connected to the lower end of the nut 2, the upper clamping groove 6 is arranged on the end side of the threaded rod 5, the fixing block 7 is connected to the lower end of the threaded rod 5, the antirust layer 8 is arranged on the periphery of the upper base 1, the lower annular sealing groove 9 is arranged in the upper base 1, the sealing washer 10 is arranged in the lower annular sealing groove 9, the connecting device 11 is arranged in the middle of the upper base 1, the lower base 12 is provided with the lower base 12, the lower base 12 is provided with the lower clamping groove 13, the connecting piece 13 is provided with the rubber ring 14, the lower threaded hole 15 is arranged in the lower base 12, and the lower base 12 is provided with the lower clamping groove 17;

furthermore, a connecting and mounting structure is formed between the upper base 1 and the lower base 12 through a connecting piece 13, the upper base 1 and the lower base 12 are arranged in parallel, the whole piece is divided into the upper base 1 and the lower base 12, a threaded hole is formed in the middle of the upper base 1 and the lower base, the upper base 1 and the lower base 12 are connected together through the connecting piece 13, the connecting piece 13 is connected according to the lines of the lower base 12, then the threaded hole of the upper base 1 faces the connecting piece 13, the upper base 1 and the lower base 12 are connected into a whole through manual screwing, and the connecting structure is used in a combined mode and reduces material loss;

furthermore, the threaded rod 5 and the nut 2 are arranged in an embedded mode, the threaded rod 5 and the fixed block 7 are arranged in a mutually perpendicular mode, and in order to avoid the situation that the connecting piece 13 is loosened due to long-term use, the threaded rod 5 is installed at the left end and the right end of the upper base 1 and the lower base 12 to be connected, the upper end of the threaded rod 5 is fixed through the nut 2, the fixed block 7 is welded to the base, the lower end of the base is located on the lower base 12, and the connecting piece 13 and the threaded rod 5 are fixed to play a dual role, so that the fixing performance is improved;

furthermore, the antirust layer 8 and the upper base 1 are arranged in an axis superposition mode, the antirust layer 8 and the lower base 12 are arranged in an axis superposition mode, and due to the fact that air pressure inside the pipeline changes and is prone to corrosion after long-time use, the antirust layer 8 is coated on the outer surfaces of the upper base 1 and the lower base 12, the service life of the antirust layer is prolonged, and the antirust layer is convenient to use for a long time;

furthermore, the lower annular sealing grooves 9 and the sealing washers 10 are arranged in an embedded manner, two lower annular sealing grooves 9 are arranged in an axisymmetrical manner by taking the connecting piece 13 as an axis, the lower annular sealing grooves 9 are respectively arranged at the connecting parts of the upper base 1 and the lower base 12, and the sealing washers 10 are arranged in the lower annular sealing grooves 9, so that the lower annular sealing grooves and the lower base are tightly connected, the gaps at the connecting parts of the lower annular sealing grooves and the lower base are reduced, and a good sealing effect is achieved;

further, the connecting piece 13 is tightly attached to the rubber ring 14, the connecting piece 13 is connected with the rubber ring 14 through glue, the flange is integrally divided into the upper base 1 and the lower base 12, the rubber ring 14 is adhered to the outer portion of the connecting piece 13 through connection of the connecting piece 13, and gaps between the upper base 1 and the lower base 12 and the connecting piece 13 are filled by utilizing toughness of the rubber ring 14, so that the sealing performance of the flange is improved.

The working principle is as follows: when the combined flange with the sealing structure is used, firstly, the flange is integrally connected in a combined mode and is divided into an upper base 1 and a lower base 12, a layer of antirust layer 8 is coated on the outer surfaces of the upper base 1 and the lower base 12, the service life of the flange is prolonged, then, a threaded hole is formed in the middle of the upper base 1 and the lower base 12, the upper base 1 and the lower base 12 are connected together by using a connecting piece 13, the connecting piece 13 is firstly connected according to the lines of the lower base 12, then, the threaded hole of the upper base 1 faces the connecting piece 13, the upper base 1 and the lower base 12 are connected into a whole by manually screwing, wherein a rubber ring 14 is adhered to the outer part of the connecting piece 13, the gap between the upper base 1 and the lower base 12 and the connecting piece 13 is filled by using the toughness of the rubber ring 14, the gap is prevented from influencing the use, the connecting piece 13 is prevented from being loosened due to long-term use, therefore, the left end and the right end of the upper base 1 and the lower base 12 are connected by installing the connecting piece 5, the screw rod, the upper end of the screw rod 5 is fixed by using a nut 2, the lower base 12 is welded with a base 7, the connecting piece 13 and the screw rod 5, and the lower base 12 are provided with a sealing ring 9, and a sealing ring sealing gasket is arranged between the sealing groove with a sealing ring 9 with a sealing effect.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A combined flange with a sealing structure comprises an upper base (1) and a lower base (12), and is characterized in that: the upper end of going up base (1) is provided with nut (2), and the upper end of going up base (1) is provided with screw hole (3) to the intermediate position of going up base (1) reserves bolt hole (4), the lower extreme of nut (2) is connected with threaded rod (5), and the distolateral draw-in groove (6) of having seted up of threaded rod (5), the lower extreme of threaded rod (5) is connected with fixed block (7), and the week side of going up base (1) is provided with antirust coat (8), annular seal groove (9) down has been seted up to the inside of going up base (1), and the internally mounted of annular seal groove (9) has seal ring (10) down, the centre of going up base (1) is provided with connecting device (11), and the lower base (12) is installed to the lower extreme of connecting device (11), the inside of connecting device (11) is provided with connecting piece (13), and the week side of connecting piece (13) is provided with rubber ring (14), screw hole (15) down has been seted up to the inside of base (12) down, and the upper end of base (12) is provided with protruding axle (16) down to the inside of having seted up draw-in the lower draw-in groove (17).

2. A composite flange having a sealing structure according to claim 1, wherein: the upper base (1) and the lower base (12) form a connecting and mounting structure through a connecting piece (13), and the upper base (1) and the lower base (12) are arranged in parallel.

3. A composite flange having a sealing structure according to claim 1, wherein: the threaded rod (5) and the nut (2) are arranged in an embedded mode, and the threaded rod (5) and the fixing block (7) are arranged in a mutually perpendicular mode.

4. A composite flange having a sealing structure according to claim 1, wherein: the anti-rust layer (8) and the upper base (1) are arranged in an axis overlapping mode, and the anti-rust layer (8) and the lower base (12) are arranged in an axis overlapping mode.

5. A composite flange having a sealing structure according to claim 1, wherein: the lower annular sealing groove (9) and the sealing washer (10) are arranged in an embedded mode, and the lower annular sealing groove (9) is symmetrically arranged in an axial mode through the connecting piece (13).

6. A composite flange having a sealing structure according to claim 1, wherein: the connecting piece (13) is tightly attached to the rubber ring (14), and the connecting piece (13) is connected with the rubber ring (14) through glue.