CN213576083U

CN213576083U - Low-pressure jacket flange

Info

Publication number: CN213576083U
Application number: CN202022356018.9U
Authority: CN
Inventors: 王直成
Original assignee: Jianhu Xincheng Hydraulic Machinery Co ltd
Current assignee: Jianhu Xincheng Hydraulic Machinery Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-06-29
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses a low pressure presss from both sides cover flange, including pressing from both sides cover, ring flange and through-hole, the equal fixed welding in cover both ends has the ring flange, press from both sides the cover and the ring flange inner chamber has seted up the through-hole, ring flange side surface homogeneous body shaping has the intubate, intubate lateral wall surface is all inlayed and is had a sealing washer, intubate one side is fixed has seted up a spacing groove, a spacing groove inner chamber activity is inlayed and is had No. two sealing washers. The utility model discloses intubate outer wall fixed surface inlays and has a sealing washer, can seal intubate and pipeline inner wall junction through a sealing washer, mutually support through three sealing washers of group, can effectively promote the sealed effect of butt clamp cover flange and pipe connection department, can fix the apron through No. two fixing bolt, and the apron seals through No. four sealing washers with the connecting hole junction, dismantle the back with the apron, but the person of facilitating the use increases connecting tube on pressing from both sides the cover flange, promote the flexibility when using.

Description

Low-pressure jacket flange

Technical Field

The utility model relates to a press from both sides cover flange technical field specifically is a low pressure presss from both sides cover flange.

Background

A Flange (Flange), also known as a Flange collar or Flange. The flange is a part for connecting pipes 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. Relatively small, e.g. valves, so-called "flange parts"

However, the existing low-pressure jacket flange has the following disadvantages in use:

the current low pressure presss from both sides the cover flange and adopts a set of sealing washer to seal in the use, and can't carry on spacingly to the sealing washer to lead to in the use, sealed effect is relatively poor, simultaneously in the use, can't carry out nimble addition connecting tube, uses the flexibility not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low pressure presss from both sides cover flange to it adopts a set of sealing washer to seal to propose current low pressure to press from both sides the cover flange in the use in solving above-mentioned background art, and can't carry on spacingly to the sealing washer, thereby leads to in the use, and sealed effect is relatively poor, simultaneously in the use, can't carry out nimble interpolation connecting tube, uses the not good problem of flexibility.

In order to solve the technical problem, the utility model provides a following technical scheme: a low-pressure jacket flange comprises a jacket, flange plates and through holes, wherein the flange plates are fixedly welded at two ends of the jacket, the through holes are formed in the inner cavities of the jacket and the flange plates, an insertion pipe is integrally formed on the surface of one side of each flange plate, a first sealing ring is embedded on the surface of the side wall of the insertion pipe, a first limiting groove is fixedly formed on one side of the insertion pipe, a second sealing ring is movably embedded in the inner cavity of the first limiting groove, a second limiting groove is fixedly formed on one side of the first limiting groove, a third sealing ring is fixedly embedded in the inner cavity of the second limiting groove, mounting holes are fixedly formed in the surfaces of the flange plates and are positioned between the first limiting groove and the second limiting groove, the flange plates are fixedly welded at two ends of the jacket and can be connected with two pipelines through the flange plates, the insertion pipe is integrally formed in the surfaces of the flange plates, when, can inject the intubate into pipe inner chamber, and intubate outer wall fixed surface inlays and has a sealing washer, can seal intubate and pipe inner wall junction through a sealing washer, the flange dish docks with the flange of pipeline one end simultaneously, the flange dish surface is all fixed No. two sealing washers and No. three sealing washers through a spacing groove and No. two spacing grooves, can be connected flange dish and flange through fixing bolt, through squeezing No. two sealing washers and No. three sealing washers, and mutually support through three sealing washers of group, can effectively promote the sealed effect of pressing from both sides cover flange and pipe connection department.

Furthermore, a limiting groove is fixedly formed in the surface of one end of the mounting hole, and the nut of the first fixing bolt can be limited through the limiting groove, so that the problem that the first bolt is loosened in the using process to cause water leakage or air leakage of the joint is avoided.

Furthermore, a fixing bolt is inserted into the inner cavity of the mounting hole, a reinforcing ring is fixedly welded on the inner wall of the mounting hole, the clamping sleeve flange can be connected with a pipeline through the fixing bolt, the structural strength of the mounting hole can be increased through the reinforcing ring, and the phenomenon that the mounting hole is torn due to the fact that the fixing bolt is dismounted for multiple times is avoided.

Furthermore, the middle part of the surface of the jacket is fixedly provided with a connecting hole, and the connecting hole can facilitate a user to add a connecting pipeline on the flange of the jacket, thereby improving the flexibility in use.

Furthermore, the connecting hole surface has the apron through No. two fixing bolt demountable installation, can install the dismantlement to the apron through No. two fixing bolt.

Furthermore, the surface of the bottom of the cover plate is fixedly embedded with a fourth sealing ring, and the joint of the cover plate and the connecting hole is sealed through the fourth sealing ring.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses when butt joint ring flange and pipeline, can inject the intubate into pipe inner chamber, and intubate outer wall fixed surface inlays and has a sealing washer, can seal intubate and pipe inner wall junction through a sealing washer, the flange dish docks with the flange of pipeline one end simultaneously, the ring flange surface is all fixed No. two sealing washers and No. three sealing washers through a spacing groove and No. two spacing grooves, can connect ring flange and flange through fixing bolt, extrude No. two sealing washers and No. three sealing washers, and mutually support through three sealing washers of group, can effectively promote the sealed effect of pressing from both sides cover flange and pipe connection department.

2. The utility model discloses a No. two fixing bolt can be fixed the apron, and the apron seals through No. four sealing washers with the connecting hole junction, dismantles the back with the apron, can the person of facilitating the use increase connecting tube on pressing from both sides the cover flange, promotes the flexibility when using.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic side view of the present invention;

fig. 4 is a schematic structural view of the cover plate and the fourth seal ring of the present invention;

in the figure: 1. a jacket; 101. a flange plate; 102. a through hole; 2. inserting a tube; 201. a first sealing ring; 202. a first limit groove; 203. a second sealing ring; 204. a second limiting groove; 205. a third sealing ring; 3. a limiting groove; 301. a first fixing bolt; 302. mounting holes; 303. reinforcing rings; 4. connecting holes; 401. a cover plate; 402. a second fixing bolt; 403. and a fourth sealing 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. 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. 1-4, the present invention provides a technical solution: a low-pressure jacket flange comprises a jacket 1, flange plates 101 and through holes 102, wherein the flange plates 101 are fixedly welded at two ends of the jacket 1, the through holes 102 are formed in the inner cavities of the jacket 1 and the flange plates 101, an insertion pipe 2 is integrally formed on the surface of one side of the flange plates 101, a first sealing ring 201 is embedded on the surface of the side wall of the insertion pipe 2, a first limiting groove 202 is fixedly arranged on one side of the insertion pipe 2, a second sealing ring 203 is movably embedded in the inner cavity of the first limiting groove 202, a second limiting groove 204 is fixedly arranged on one side of the first limiting groove 202, a third sealing ring 205 is fixedly embedded in the inner cavity of the second limiting groove 204, mounting holes 302 are fixedly arranged on the surface of the flange plates 101, the mounting holes 302 are located between the first limiting groove 202 and the second limiting groove 204, the flange plates 101 are fixedly welded at two ends of the jacket 1, and two pipelines can be connected, wherein the equal integrated into one piece in ring flange 101 surface has intubate 2, when carrying out the butt joint with ring flange 101 and pipeline, can inject intubate 2 into the pipe inner chamber, and 2 outer wall fixed surface of intubate inlays and has a sealing washer 201, can seal intubate 2 and pipeline inner wall junction through a sealing washer 201, ring flange 101 docks with the flange of pipeline one end simultaneously, ring flange 101 surface is all fixed No. two sealing washers 203 and No. three sealing washers 205 through a spacing groove 202 and No. two spacing grooves 204, can connect ring flange 101 and flange through fixing bolt 301, extrude No. two sealing washers 203 and No. three sealing washers 205, and mutually support through three sealing washers, can effectively promote the sealed effect of pressing from both sides cover flange and pipeline junction.

Limiting groove 3 is all fixed to be seted up on mounting hole 302 one end surface, can carry on spacingly to fixing bolt 301's nut through limiting groove 3 to avoid taking place not hard up in the use for a bolt, cause the junction leak water or leak gas.

The mounting hole 302 inner chamber is all pegged graft and is had fixing bolt 301 No. one, the equal fixed welding of mounting hole 302 inner wall has reinforcing ring 303, can be connected jacket flange and pipeline through fixing bolt 301 No. one, through reinforcing ring 303 multiplicable mounting hole 302's structural strength, avoids fixing bolt 301 to cause the tearing of mounting hole 302 after a lot of dismouting.

The middle part of the surface of the jacket 1 is fixedly provided with a connecting hole 4, the connecting hole 4 can be convenient for a user to add a connecting pipeline on a jacket flange, and the flexibility in use is improved.

The cover plate 401 is detachably mounted on the surface of the connecting hole 4 through a second fixing bolt 402, and the cover plate 401 can be mounted and dismounted through the second fixing bolt 402.

A fourth sealing ring 403 is fixedly embedded on the surface of the bottom of the cover plate 401, and the joint of the cover plate 401 and the connecting hole 4 is sealed through the fourth sealing ring 403.

The utility model discloses a theory of operation: the two ends of the jacket 1 are fixedly welded with flange plates 101, two pipelines can be connected through the flange plates 101, the surfaces of the flange plates 101 are integrally formed with insertion pipes 2, when the flange plates 101 are butted with the pipelines, the insertion pipes 2 can be inserted into the inner cavities of the pipelines, the outer wall surfaces of the insertion pipes 2 are fixedly embedded with first sealing rings 201, the joints of the insertion pipes 2 and the inner walls of the pipelines can be sealed through the first sealing rings 201, meanwhile, the flange plates 101 are butted with flanges at one ends of the pipelines, the surfaces of the flange plates 101 are fixed with second sealing rings 203 and third sealing rings 205 through first limiting grooves 202 and second limiting grooves 204, the flange plates 101 and the flange can be connected through first fixing bolts 301, the second sealing rings 203 and the third sealing rings 205 are extruded and are matched with each other through the three groups of sealing rings, the sealing effect of the joints of the jacket flanges and the pipelines can be effectively improved, and the mounting hole 302 one end is fixed and is seted up spacing groove 3, can carry on spacingly to the nut of fixing bolt 301 one number through spacing groove 3, thereby avoid in the use that bolt one number is not hard up, cause the leakage or gas leakage of junction, reinforcing ring 303 has all been welded to the mounting hole 302 inner wall, structural strength through reinforcing ring 303 multiplicable mounting hole 302, avoid fixing bolt 301 one number after many dismouting, cause the tearing of mounting hole 302, can fix apron 401 through No. two fixing bolt 402, and apron 401 seals through No. four sealing washer 403 with connecting hole 4 junction, dismantle apron 401 after, can the person of facilitating the use increase connecting tube on pressing from both sides the cover flange, promote the flexibility when using

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.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a low pressure presss from both sides cover flange, includes and presss from both sides cover (1), ring flange (101) and through-hole (102), the equal fixed welding in cover (1) both ends has ring flange (101), through-hole (102), its characterized in that have been seted up to cover (1) and ring flange (101) inner chamber: the equal integrated into one piece in ring flange (101) side surface has intubate (2), intubate (2) lateral wall surface all inlays and has a sealing washer (201), spacing groove (202) have been seted up to fixed intubate (2) one side, spacing groove (202) inner chamber activity is inlayed and is had No. two sealing washers (203), No. two spacing grooves (204) have been seted up to fixed spacing groove (202) one side, No. two spacing groove (204) inner chamber fixed are inlayed and have been had No. three sealing washer (205), mounting hole (302) have been seted up to ring flange (101) surface equal fixed, and mounting hole (302) are located between a spacing groove (202) and No. two spacing grooves (204).

2. A low pressure jacket flange as claimed in claim 1, wherein: and a limiting groove (3) is fixedly formed in the surface of one end of each mounting hole (302).

3. A low pressure jacket flange as claimed in claim 1, wherein: a fixing bolt (301) is inserted into the inner cavity of the mounting hole (302), and reinforcing rings (303) are fixedly welded on the inner wall of the mounting hole (302).

4. The low-pressure jacket flange as claimed in claim 1, wherein a connecting hole (4) is fixedly formed in the middle of the surface of the jacket (1).

5. A low pressure jacket flange according to claim 4, wherein: and a cover plate (401) is detachably mounted on the surface of the connecting hole (4) through a second fixing bolt (402).

6. A low pressure jacket flange according to claim 5, wherein: a fourth sealing ring (403) is fixedly embedded on the surface of the bottom of the cover plate (401).