CN204512148U - A kind of flange bolt linkage structure - Google Patents
A kind of flange bolt linkage structure Download PDFInfo
- Publication number
- CN204512148U CN204512148U CN201520219967.9U CN201520219967U CN204512148U CN 204512148 U CN204512148 U CN 204512148U CN 201520219967 U CN201520219967 U CN 201520219967U CN 204512148 U CN204512148 U CN 204512148U
- Authority
- CN
- China
- Prior art keywords
- flange
- bushing pipe
- basic unit
- linkage structure
- cladding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model relates to a kind of flange bolt linkage structure, comprises composite sheet flange, stud, nut, bushing pipe; Described bushing pipe inserts flange threaded stud hole, with the basic unit of flange A and cladding by solder design; The material of described bushing pipe is identical with the cladding material of composite sheet flange; Described bushing pipe pipe thickness is 2mm; The utility model is inserted in bushing pipe in flange stud hole, and the dielectric impedance leaked out by the faying surface from sealing surface and composite plate multi-layer and basic unit, outside stud, effectively prevents medium to the corrosion of stud, extension device working life, increases economic benefit.
Description
Technical field
The utility model relates to a kind of flange bolt linkage structure, is applicable to flanged connecting structure in pressurized container, produces corrosion for preventing the leakage of pressurized container medium to stud.
Background technique
Pressurized container is widely used in oil, chemical industry, medicine and other fields, especially petrochemical industry, because the medium circulated in container has corrosivity, to working life and the Safety performance formation great threat of equipment.In order to tackle the corrosion of medium to equipment and materials, in chemical industry, composite sheet is widely used in equipment.Composite sheet refers to and cover the stronger sheet metal of another decay resistance on layer of metal plate, while reaching and meeting mechanical strength simultaneously, meets again the needs of decay resistance, plays and economize on resources, reduce the effect of energy consumption.
Flange bolt is by hexagon-head and flange plate (pad below hexagonal is fixed together with hexagonal) and screw rod (with an externally threaded cylindrical body) class fastening piece dimerous, need and nut screw connection, for being fastenedly connected two parts with through hole.In the composite sheet flanged connecting structure of equipment, after flange and equipment barrel or pipeline connect into entirety, then by flange and pad, fastening piece is had to connect.
But due to the croop property of material, stud can produce loosening after a certain period of use time, cause sealing surface place to produce a small amount of leakage, equipment or ducted medium ooze out.The medium oozed out, through flange cladding, flow to threaded stud hole position, produces corrosion to stud.Cause equipment failure, lead to unpredictable economic loss.
Model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of flange bolt linkage structure.
The utility model is achieved through the following technical solutions:
A kind of flange bolt linkage structure, comprises flange A, the flange B of this flange A setting relatively, and for connecting the stud of described flange A and described flange B; Described flange A and flange B is composite sheet flange, and define described flange A and be composited primarily of flange A basic unit and flange A cladding, described flange B is composited primarily of flange B basic unit and flange B cladding; Described stud has all been threaded in the outside of its flange A and flange B nut; Described flange bolt linkage structure comprises bushing pipe further, and described bushing pipe is arranged on the flange stud hole jointly formed by this flange A, flange B and stud; Described bushing pipe and described flange A or flange B solder design.
Preferably, described bushing pipe and described flange A solder design, the flange A basic unit solder design in one end of described bushing pipe and described flange A, the flange A cladding solder design in the other end and described flange A.
Preferably, described bushing pipe and described flange A are prepared from by stainless steel.
Preferably, the length of described bushing pipe is greater than the distance between the flange A basic unit of described flange A and the flange B cladding of described flange B, is less than the distance between the flange A basic unit of described flange A and the flange B basic unit of described flange B.
Preferably, described bushing pipe and described flange B solder design, the flange B basic unit solder design in one end of described bushing pipe and described flange B, the flange B cladding solder design in the other end and described flange B.
Preferably, described bushing pipe and described flange B are prepared from by stainless steel.
Preferably, the length of described bushing pipe is greater than the distance between the flange B basic unit of described flange B and the flange A cladding of described flange A, is less than the distance between the flange B basic unit of described flange B and the flange A basic unit of described flange A.
Preferably, described flange bolt linkage structure comprises pad further, and described pad is arranged between described flange A cladding and described flange B cladding.
Preferably, the external diameter of described bushing pipe is less by 2 than the internal diameter in described flange stud hole
~4mm.
Preferably, the pipe thickness of described bushing pipe is 2mm.
Compared with prior art, the utility model has following beneficial effect:
Flange bolt linkage structure of the present utility model, by being set with bushing pipe in flange stud hole, the dielectric impedance that the faying surface from sealing surface and composite plate multi-layer and basic unit can be leaked out is outside threaded stud hole, effectively prevent medium to the corrosion of stud, and then extension device working life, minimizing accident occurs, and enhances productivity, and increases economic benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, flange A basic unit; 2, flange A cladding; 3, pad; 4, flange B cladding; 5, flange B basic unit; 6, flange stud hole; 7, weld seam; 8, bushing pipe; 9, weld seam; 10, stud; 11, nut.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, a kind of flange bolt linkage structure that the present embodiment provides, comprise flange A, flange B, stud 10, nut 11 and bushing pipe 8, wherein said flange A and described flange B is oppositely arranged, described stud 10, through described flange A and flange B, serves the effect of adpting flange A and flange B; Described nut 11 is threaded in the two ends of described stud 10.
Wherein, described flange A and flange B is composite sheet flange, and define described flange A and be composited primarily of flange A basic unit 1 and flange A cladding 2, described flange B is composited primarily of flange B basic unit 4 and flange B cladding 5.This is implemented novel flange bolt linkage structure and be also provided with pad 3 between flange A cladding 2 and described flange B cladding 5.
Be appreciated that, described flange A, flange B and stud 10 together form a flange stud hole 6, flange bolt linkage structure of the present utility model is in order to prevent the equipment applying this flange bolt linkage structure, its medium leaked out from the faying surface of sealing surface and composite plate multi-layer and basic unit causes corrosion to stud 10, and then reduces the working life of equipment.The utility model is provided with bushing pipe 8 at flange stud hole 6 place, and wherein said bushing pipe 8 is connected with described flange A or flange B by the mode of welding.Wherein, the external diameter of described bushing pipe 8 2-4mm less of the internal diameter in described flange stud hole 6.The pipe thickness of the bushing pipe 8 of the present embodiment is 2mm.
As described in Figure 1, the bushing pipe 8 in the present embodiment welds with described flange A, and particularly, one end of described bushing pipe 8 is connected with flange A basic unit 1 weld seam 7 in described flange A, and the other end is connected with the flange A cladding weld seam 9 in described flange A.Wherein, described bushing pipe 8 is prepared from by identical material with described flange A, and the bushing pipe 8 in the utility model is prepared from by stainless steel with flange A.Be appreciated that the length of described bushing pipe 8 is greater than the distance between the flange A basic unit 1 of described flange A and the flange B cladding 5 of described flange B, be less than the distance between the flange A basic unit 1 of described flange A and the flange B basic unit 4 of described flange B.Namely one end that the length of described bushing pipe 8 enough inserts it into flange B exceedes basic unit and the cladding junction plane of flange B, and does not exceed the surface of contact of flange B basic unit 5 and nut.
When the bushing pipe 8 in the utility model welds with described flange B, in like manner known, just do not setting forth one by one at this.
Compared with prior art, the utility model has following beneficial effect: in flange stud hole 6, be inserted in bushing pipe 8, the dielectric impedance leaked out by faying surface from sealing surface and composite plate multi-layer and basic unit is outside flange stud hole 6, effectively prevent medium to the corrosion of stud 10, and then extension device working life, minimizing accident occurs, and enhances productivity, and increases economic benefit
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a flange bolt linkage structure, comprises flange A, the flange B of this flange A setting relatively, and for connecting the stud of described flange A and described flange B; Described flange A and flange B is composite sheet flange, and define described flange A and be composited primarily of flange A basic unit and flange A cladding, described flange B is composited primarily of flange B basic unit and flange B cladding; Described stud has all been threaded in the outside of its flange A and flange B nut; It is characterized in that: described flange bolt linkage structure comprises bushing pipe further, described bushing pipe is arranged on the flange stud hole jointly formed by this flange A, flange B and stud; Described bushing pipe and described flange A or flange B solder design.
2. flange bolt linkage structure according to claim 1, it is characterized in that: described bushing pipe and described flange A solder design, flange A basic unit solder design in one end of described bushing pipe and described flange A, the flange A cladding solder design in the other end and described flange A.
3. flange bolt linkage structure according to claim 2, is characterized in that: described bushing pipe and described flange A are prepared from by stainless steel.
4. the flange bolt linkage structure according to claims 1 or 2, it is characterized in that: the length of described bushing pipe is greater than the distance between the flange A basic unit of described flange A and the flange B cladding of described flange B, be less than the distance between the flange A basic unit of described flange A and the flange B basic unit of described flange B.
5. flange bolt linkage structure according to claim 1, it is characterized in that: described bushing pipe and described flange B solder design, flange B basic unit solder design in one end of described bushing pipe and described flange B, the flange B cladding solder design in the other end and described flange B.
6. flange bolt linkage structure according to claim 5, is characterized in that: described bushing pipe and described flange B are prepared from by stainless steel.
7. the flange bolt linkage structure according to claim 1 or 5, it is characterized in that: the length of described bushing pipe is greater than the distance between the flange B basic unit of described flange B and the flange A cladding of described flange A, be less than the distance between the flange B basic unit of described flange B and the flange A basic unit of described flange A.
8. flange bolt linkage structure according to claim 1, is characterized in that: described flange bolt linkage structure comprises pad further, and described pad is arranged between described flange A cladding and described flange B cladding.
9. flange bolt linkage structure according to claim 1, is characterized in that: the external diameter 2-4mm less of the internal diameter in described flange stud hole of described bushing pipe.
10. flange bolt linkage structure according to claim 1, is characterized in that: the pipe thickness of described bushing pipe is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520219967.9U CN204512148U (en) | 2015-04-13 | 2015-04-13 | A kind of flange bolt linkage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520219967.9U CN204512148U (en) | 2015-04-13 | 2015-04-13 | A kind of flange bolt linkage structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204512148U true CN204512148U (en) | 2015-07-29 |
Family
ID=53710130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520219967.9U Expired - Fee Related CN204512148U (en) | 2015-04-13 | 2015-04-13 | A kind of flange bolt linkage structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204512148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763732A (en) * | 2015-04-13 | 2015-07-08 | 苏州市博群生物科技有限公司 | Flange bolt connecting structure |
-
2015
- 2015-04-13 CN CN201520219967.9U patent/CN204512148U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763732A (en) * | 2015-04-13 | 2015-07-08 | 苏州市博群生物科技有限公司 | Flange bolt connecting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20160413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |