CN203628075U - Combined type cutting sleeve joint for gas path - Google Patents
Combined type cutting sleeve joint for gas path Download PDFInfo
- Publication number
- CN203628075U CN203628075U CN201320877768.8U CN201320877768U CN203628075U CN 203628075 U CN203628075 U CN 203628075U CN 201320877768 U CN201320877768 U CN 201320877768U CN 203628075 U CN203628075 U CN 203628075U
- Authority
- CN
- China
- Prior art keywords
- ferrule
- cutting ferrule
- cutting sleeve
- gas path
- sealing unit
- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 210000004907 gland Anatomy 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 13
- 229920002449 FKM Polymers 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 abstract 5
- 238000007906 compression Methods 0.000 abstract 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- 229910000975 Carbon steel Inorganic materials 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 241000521257 Hydrops Species 0.000 description 6
- 206010030113 Oedema Diseases 0.000 description 6
- 239000010962 carbon steel Substances 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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- Gasket Seals (AREA)
Abstract
The utility model discloses a combined type cutting sleeve joint for a gas path. The joint comprises a cutting sleeve compression nut, a cutting sleeve, a compression unit, a sealing unit and a cutting sleeve joint body which are mutually connected, wherein a conical surface which can compact the cutting sleeve is arranged in an inner cavity of the cutting sleeve compression nut; a groove in which the sealing unit is placed is formed in the cutting sleeve joint body; the cutting sleeve compression nut and the cutting sleeve joint body are in threaded connection to form a space, and the cutting sleeve, the compression unit and the sealing unit are arranged in the space. Through the adoption of the joint, the problems that the connection of the cutting sleeve joint is not reliable and the cutting sleeve joint is easy to leak in the current gas pipeline are solved.
Description
Technical field
The utility model relates to a kind of combined gas path ferrule fitting.
Background technique
When low-pressure gas pipeline connects, general method is the mode that adopts (sphere or conical surface cutting ferrule) pure cutting ferrule to connect.But the process using in reality, finds owing to being subject to the impact of the factors such as installation personnel qualification, field installation, cutting ferrule part quality of processing, that the connection of this ferrule fitting exists is unreliable, the problem of easy leakage.
Therefore for the problems referred to above, the technological scheme of ferrule fitting for a kind of knockdown gas circuit of current needs.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of combined gas path ferrule fitting, has problem unreliable, easy leakage to solve the connection of ferrule fitting in current gas piping.
In order to address the above problem, the utility model provides a kind of combined gas path ferrule fitting, comprise interconnective cutting ferrule gland nut, cutting ferrule, compressing unit, sealing unit and ferrule fitting body, the inner chamber of described cutting ferrule gland nut is provided with the conical surface that can compress described cutting ferrule, on described ferrule fitting body, be provided with the groove of placing described sealing unit, described cutting ferrule gland nut is with ferrule fitting body for being threaded and forming a space, and described cutting ferrule, compressing unit and sealing unit are in described space.
Combinations thereof formula gas circuit also can comprise with ferrule fitting, and described sealing unit is O RunddichtringO, and described seal ring is positioned in the groove of described ferrule fitting body.
Combinations thereof formula gas circuit also can comprise with ferrule fitting, and the material of described sealing unit is VITON quality of rubber materials.
Combinations thereof formula gas circuit also can comprise with ferrule fitting, the packing washer that described compressing unit is flat pattern.
Combinations thereof formula gas circuit also can comprise with ferrule fitting, in described ferrule fitting body, is provided with the outside thread for connecting described cutting ferrule gland nut, and described cutting ferrule gland nut inner chamber is provided with the internal thread being connected with described ferrule fitting body.
Combinations thereof formula gas circuit also can comprise with ferrule fitting, and the top of described cutting ferrule is spherical surface body, and bottom is plane.
Compared with prior art, application the utility model, compared with pure ferrule structure in the past, effectively reduces the installation difficulty of installation personnel, and easy and simple to handle, the part difficulty of processing such as cutting ferrule reduce; If O type sealing unit lost efficacy, can only change O type sealing unit, needn't change other parts such as cutting ferrule, reduce user cost; Owing to using the O type sealing unit of VITON quality of rubber materials, for the hydrops in gas circuit pipeline, as methanol gasoline, ethanol petrol hydrops etc., can effective sealing, improve the seal of pipeline.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment's technological scheme, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of combined gas path of the present utility model ferrule fitting;
Fig. 2 is the working state figure of the combined gas path ferrule fitting before cutting ferrule nut of the present utility model compresses;
Fig. 3 is the working state figure of the combined gas path ferrule fitting after cutting ferrule nut of the present utility model compresses.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the structural representation of ferrule fitting for combined gas path of the present utility model, combined gas path at least comprises with ferrule fitting: interconnective cutting ferrule gland nut 1, cutting ferrule 2, compressing unit 3, sealing unit 4 and ferrule fitting body 5, the inner chamber of described cutting ferrule gland nut 1 is provided with the conical surface that can compress described cutting ferrule 2, on described ferrule fitting body 5, be provided with the groove of placing described sealing unit 4, described cutting ferrule gland nut 1 with ferrule fitting body 5 for being threaded and forming a space, described cutting ferrule 2, compressing unit 3 and sealing unit 4 are in described space.
Described sealing unit 4 can be O RunddichtringO, and described seal ring is positioned in the groove of described ferrule fitting body 5.Sealing unit 4 can be the Sealings such as seal ring, can be used for the utility model as long as the structure that can seal, and the utility model is not limited in any way this.For low pressure gas circuit, O RunddichtringO can play good seal action.Can be VITON rubber or the common nitrile rubber of resistance to methyl alcohol or ethanol, the utility model be limited in any way this.Wherein the material of O RunddichtringO is preferably VITON quality of rubber materials, uses the O type sealing unit of VITON quality of rubber materials, for the hydrops in gas circuit pipeline, and as methanol gasoline, ethanol petrol hydrops etc., can effective sealing, improve the seal of pipeline.
The packing washer that described compressing unit 3 is flat pattern, packing washer can be zinc-plated or copper etc. the metal plain cushion of carbon steel, and it is zinc-plated that the material of packing washer is preferably carbon steel, and the utility model is not as restriction.
In described ferrule fitting body 5, be provided with the outside thread for connecting described cutting ferrule gland nut 1, described cutting ferrule gland nut 1 inner chamber has the internal thread being connected with described ferrule fitting body 5.Ferrule fitting body 5 is metal material, for example: the materials such as copper, steel or carbon steel are zinc-plated, be preferably carbon steel zinc-plated, the utility model is not as restriction.
The top of described cutting ferrule 2 is spherical surface body, and bottom is plane, and cutting ferrule 2 can make whole joint and being connected of tracheae not throw off.Cutting ferrule 2 is metal material, for example: the materials such as copper H59 or aluminium, be preferably copper H59, the utility model is not as restriction.
Cutting ferrule gland nut 1 is metal material, for example: the materials such as copper, steel or carbon steel are zinc-plated, be preferably carbon steel zinc-plated, the utility model is not as restriction.
The concrete structure of ferrule fitting for combined gas path of the present utility model, comprising: on ferrule fitting body 5, have and place the groove of O type sealing unit 4 and the outside thread for connecting sleeve gland nut 1.Compressing unit 3 is zinc-plated plain cushion.Cutting ferrule 2 tops are spherical surface body, and bottom is plane, and cutting ferrule gland nut 1 inner chamber has the conical surface that can compress cutting ferrule 2, the internal thread being connected with ferrule fitting body 5 in addition.
Fig. 2 is the working state figure of the combined gas path ferrule fitting before cutting ferrule nut compresses, Fig. 3 is the working state figure of the combined gas path ferrule fitting after cutting ferrule nut compresses, successively each is fitted together with the tracheae 6 of copper or steel matter according to the assemble sequence shown in structural representation, precession cutting ferrule gland nut 1, promote cutting ferrule 2, compressing unit 3, O type sealing unit 4 moves down together, make O type sealing unit 4 enter the groove of ferrule fitting body 5, after compressing unit 3 contacts with ferrule fitting body 5, O type sealing unit 4 is compacted, hug on tracheae 6, play seal action, now cutting ferrule 2 and compressing unit 3 no longer continue to move down, continue precession cutting ferrule gland nut 1, the conical surface of cutting ferrule gland nut 1 makes cutting ferrule 2 that plastic deformation occur, and tightly clip, on tracheae 6, has guaranteed that tracheae and ferrule fitting body link together, can delamination.Compressing unit 3 can guarantee that O type sealing unit 4 is evenly compacted.
Combined gas path ferrule fitting of the present utility model, compared with pure ferrule structure in the past, has the following advantages:
Effectively reduce the installation difficulty of installation personnel, easy and simple to handle, the part difficulty of processing such as cutting ferrule reduce;
If O type sealing unit lost efficacy, can only change O type sealing unit, needn't change other parts such as cutting ferrule, reduce user cost;
Owing to using the O type sealing unit of VITON quality of rubber materials, for the hydrops in gas circuit pipeline, as methanol gasoline, ethanol petrol hydrops etc., can effective sealing, improve the seal of pipeline.
Each embodiment in this specification is general, and the mode of going forward one by one that adopts is described, and what each embodiment stressed is and other embodiments' difference, between each embodiment identical similar part mutually referring to.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or control panel, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, commodity or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, commodity or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, commodity or the equipment that comprises described key element and also have other identical element.
Applied principle and the mode of execution of specific case to the application herein and set forth, above embodiment's explanation is just for helping to understand the application's method and main thought thereof; , for one of ordinary skill in the art, according to the application's thought, all will change in specific embodiments and applications, in sum, this description should not be construed as the restriction to the application meanwhile.
Claims (6)
1. a combined gas path ferrule fitting, it is characterized in that, comprise interconnective cutting ferrule gland nut, cutting ferrule, compressing unit, sealing unit and ferrule fitting body, the inner chamber of described cutting ferrule gland nut is provided with the conical surface that can compress described cutting ferrule, on described ferrule fitting body, be provided with the groove of placing described sealing unit, described cutting ferrule gland nut is with ferrule fitting body for being threaded and forming a space, and described cutting ferrule, compressing unit and sealing unit are in described space.
2. combined gas path ferrule fitting as claimed in claim 1, is characterized in that, described sealing unit is O RunddichtringO, and described seal ring is positioned in the groove of described ferrule fitting body.
3. combined gas path ferrule fitting as claimed in claim 1, is characterized in that, the material of described sealing unit is VITON quality of rubber materials.
4. combined gas path ferrule fitting as claimed in claim 1, is characterized in that, the packing washer that described compressing unit is flat pattern.
5. combined gas path ferrule fitting as claimed in claim 1, it is characterized in that, in described ferrule fitting body, be provided with the outside thread for connecting described cutting ferrule gland nut, described cutting ferrule gland nut inner chamber is provided with the internal thread being connected with described ferrule fitting body.
6. combined gas path ferrule fitting as claimed in claim 1, is characterized in that, the top of described cutting ferrule is spherical surface body, and bottom is plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877768.8U CN203628075U (en) | 2013-12-26 | 2013-12-26 | Combined type cutting sleeve joint for gas path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877768.8U CN203628075U (en) | 2013-12-26 | 2013-12-26 | Combined type cutting sleeve joint for gas path |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203628075U true CN203628075U (en) | 2014-06-04 |
Family
ID=50814552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320877768.8U Expired - Lifetime CN203628075U (en) | 2013-12-26 | 2013-12-26 | Combined type cutting sleeve joint for gas path |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203628075U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667997A (en) * | 2018-12-06 | 2019-04-23 | 中国建筑第五工程局有限公司 | Pipe fitting |
| CN114294112A (en) * | 2021-10-20 | 2022-04-08 | 中国航发四川燃气涡轮研究院 | Double-channel pipeline device with switching sealing structure |
-
2013
- 2013-12-26 CN CN201320877768.8U patent/CN203628075U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667997A (en) * | 2018-12-06 | 2019-04-23 | 中国建筑第五工程局有限公司 | Pipe fitting |
| CN114294112A (en) * | 2021-10-20 | 2022-04-08 | 中国航发四川燃气涡轮研究院 | Double-channel pipeline device with switching sealing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 101299 15 Jianshe West Street, Pinggu District, Beijing Patentee after: Jiwei Transportation Technology (Beijing) Co.,Ltd. Address before: 101200 15 Jianshe West Street, Pinggu District, Beijing Patentee before: GILBARCO CHINA Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |
|
| CX01 | Expiry of patent term |