CN205606076U - Awl O shape circle internal expanding sealing end coupling - Google Patents
Awl O shape circle internal expanding sealing end coupling Download PDFInfo
- Publication number
- CN205606076U CN205606076U CN201521079579.1U CN201521079579U CN205606076U CN 205606076 U CN205606076 U CN 205606076U CN 201521079579 U CN201521079579 U CN 201521079579U CN 205606076 U CN205606076 U CN 205606076U
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- CN
- China
- Prior art keywords
- terminal end
- sealed terminal
- hole
- nut
- cone
- 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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Abstract
The utility model relates to an awl O shape circle internal expanding sealing end coupling. Current terminal coupling weight is big, and the consumptive material is many. The utility model discloses a cutting ferrule formula connects the body, and the outer wall that the cutting ferrule formula connects the body is provided with the external screw thread, and this cutting ferrule formula connects internal being provided with and connects body through -hole, and its characteristics are: still include sealing end, O shape circle and nut, the anterior outside -in who connects body through -hole is frustum -shaped holes and cylindrical hole in proper order, be equipped with the blind hole among the sealing end, sealing end's outer wall is provided with the sealing of round platform shape and the tight portion in top of round platform shape, be provided with the round recess on the sealing, be provided with the nut through -hole in the nut, the nut through -hole is including the internal thread portion that connects gradually, the locking portion and the columniform portion of cup jointing of round platform shape, O shape circle is installed on the recess, nut and cutting ferrule formula connect body threaded connection and fix sealing end, sealing end's front portion is located the joint body through -hole that the cutting ferrule formula connects the body. The utility model has the advantages of reasonable structure design, light in weight, the consumptive material is economized.
Description
Technical field
This utility model relates to a kind of terminal conduit joint, especially relates to a kind of cone O internal expanding sealed terminal end pipe joint.
Background technology
Connect in formation hydropneumatic pipe-line system closed-loop path by meeting the ferrule-type compression joint of ISO 8434-1 (GB/T 3733～3765-2008) standard, there are many occasions need to leave spare duct interface, or reserve pipe interface for meeting the technological process requirements such as aerofluxus, blowdown, shunting, pipeline maintenance.When these reserved pipe interfaces do not come into operation, needing to use terminal conduit joint to seal, there is resistance to forcing down in the most conventional terminal conduit joint, sealing reliability is poor, and owing to being real core body, weight is big, the shortcomings such as consumptive material is many.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency present in prior art, and provides a kind of reasonable in design, lightweight, and consumptive material saves, the cone O internal expanding sealed terminal end pipe joint of good seal performance.
nullThe technical scheme in the invention for solving the above technical problem is: this cone O internal expanding sealed terminal end pipe joint includes collar joint body，The outer wall of described collar joint body is provided with external screw thread，It is provided with fittings body through hole in this collar joint body，Its construction features is: also include sealed terminal end、O and nut，The anterior ecto-entad of described fittings body through hole is followed successively by truncated cone-shaped hole and cylindrical hole，Described sealed terminal end is provided with blind hole，What the outer wall of described sealed terminal end was provided with the sealing of truncated cone-shaped and truncated cone-shaped holds out against portion，A circle it is provided with for installing the groove of O on described sealing，Described nut is provided with nut through hole，Described nut through hole includes the internal thread part being sequentially connected with、The tight lock part of truncated cone-shaped and cylindrical socket part，Described O is arranged on groove，Described nut and collar joint body are threaded and fixed by sealed terminal end，The front portion of described sealed terminal end is positioned at the fittings body through hole of collar joint body，The sealing of this sealed terminal end and the truncated cone-shaped hole of collar joint body coordinate，The portion that holds out against of described sealed terminal end and the tight lock part of nut coordinate.
As preferably, the length of blind hole described in the utility model accounts for more than 1/3rd of sealed terminal end length.
As preferably, the length of blind hole described in the utility model is more than the length of sealing.
As preferably, in collar joint body described in the utility model, the number of degrees of angle between two buses on the shaft section in truncated cone-shaped hole are 24 degree, and in described sealed terminal end, the number of degrees of angle between two buses on the shaft section of the sealing of truncated cone-shaped are 24 degree.
As preferably, in sealed terminal end described in the utility model, the number of degrees of angle between two buses on the shaft section holding out against portion of truncated cone-shaped are 90 degree, and in described nut, the number of degrees of angle between two buses on the shaft section of the tight lock part of truncated cone-shaped are 90 degree.
As preferably, it is 24 degree that this utility model one encloses the number of degrees of the angle between two buses on the shaft section in the truncated cone-shaped that the bottom of groove is formed.
As preferably, the blind hole ecto-entad in sealed terminal end described in the utility model is followed successively by cylinder and cone.
As preferably, the sealing of sealed terminal end described in the utility model contacts with the wall in the truncated cone-shaped hole of collar joint body, and the portion that holds out against of described sealed terminal end contacts with the tight lock part of nut.
As preferably, O described in the utility model contacts with the wall in the truncated cone-shaped hole of collar joint body.
As preferably, the afterbody of sealed terminal end described in the utility model is exposed at outside nut.
This utility model is compared with prior art, have the following advantages and effect: have employed blind hole design, effect because of intrinsic pressure tension Fa in pipeline, it is reduced to the limit by the gap between 24 ° of conical surfaces can be made, the sealing property of O significantly improves, can be effectively improved pressure grade, increase sealing reliability, owing to have employed blind hole design, this utility model can effectively alleviate weight, reduce consumptive material.
Sealing principle of the present utility model: 24 ° of internal taper holes of the collar joint body meeting ISO 8434-1 (GB/T 3733～3765-2008) standard can be utilized, sealed terminal end nut screwing clamping is assembled, nut promotes the sealed terminal end of 24 ° of cone O internal expandings to enter 24 ° of internal taper holes of collar joint body, until male cone (strobilus masculinus) laminating compresses seal with O ring in 24 °, in pipeline under the effect of intrinsic pressure tension Fa, by the gap between 24 ° of conical surfaces can be made to be reduced to the limit, the sealing property of O can be significantly improved.
Making of the present utility model is simple, easy for installation, there is rated operating pressure (pressure) height, seal reliable, highly versatile, the pipe interface that when can be directly mounted at spare duct interface or pipe-line system maintenance in the pipe-line system of the ferrule-type compression joint connection meeting ISO 8434-1 (GB/T 3733～3765-2008) standard, palpus is closed.
Installation method of the present utility model: by the interface nut screwing clamping of collar joint body corresponding for the sealed terminal end of nut and 24 ° of cone O internal expandings, when reaching moment of torsion sharp increase point, then nut screwing clamping 1/8～1/6 is enclosed.
This utility model is adapted to conform with the hydropneumatic pipe-line system use of ISO 8434-1 (the GB/T 3733～3765-2008) ferrule-type compression joint of standard, tube outer diameter φ 6～φ 42 (extending to φ 60), operating pressure 6～40MPa.
Accompanying drawing explanation
Fig. 1 is the structural representation boring O internal expanding sealed terminal end pipe joint in this utility model embodiment.
Fig. 2 is the structural representation of collar joint body in this utility model embodiment.
Fig. 3 is the structural representation of sealed terminal end in this utility model embodiment.
Fig. 4 is the structural representation of O in this utility model embodiment.
Fig. 5 is the structural representation of nut in this utility model embodiment.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following example are that this utility model is not limited to following example to explanation of the present utility model.
Embodiment.
Seeing Fig. 1 to Fig. 5, the cone O internal expanding sealed terminal end pipe joint in the present embodiment includes collar joint body 1, sealed terminal end 2, O 3 and nut 4.
In the present embodiment, the outer wall of collar joint body 1 is provided with external screw thread 14, is provided with fittings body through hole 11 in this collar joint body 1.The anterior ecto-entad of fittings body through hole 11 is followed successively by truncated cone-shaped hole 12 and cylindrical hole 13.
Being provided with blind hole 21 in the sealed terminal end 2 of the present embodiment, the outer wall of sealed terminal end 2 is provided with the sealing 23 of truncated cone-shaped and the portion that holds out against 25 of truncated cone-shaped, sealing 23 is provided with a circle for installing the groove 22 of O 3.
Being provided with nut through hole 41 in the nut 4 of the present embodiment, nut through hole 41 includes internal thread part 42, the tight lock part 43 of truncated cone-shaped and the socket part 44 of cylinder being sequentially connected with.
O 3 in the present embodiment is arranged on groove 22, nut 4 and collar joint body 1 is threaded and is fixed by sealed terminal end 2, the front portion of sealed terminal end 2 is positioned at the fittings body through hole 11 of collar joint body 1, the sealing 23 of this sealed terminal end 2 and the truncated cone-shaped hole 12 of collar joint body 1 coordinate, and the portion that holds out against 25 of sealed terminal end 2 and the tight lock part 43 of nut 4 coordinate.
In collar joint body 1 in the present embodiment, the number of degrees of angle α 1 between two buses on the shaft section in truncated cone-shaped hole 12 are 24 degree, and in sealed terminal end 2, the number of degrees of angle α 2 between two buses on the shaft section of the sealing 23 of truncated cone-shaped are 24 degree.In sealed terminal end 2, the number of degrees of angle β 1 between two buses on the shaft section in the portion that holds out against 25 of truncated cone-shaped are 90 degree, and in nut 4, the number of degrees of angle β 2 between two buses on the shaft section of the tight lock part 43 of truncated cone-shaped are 90 degree.
Under normal circumstances, the length of the blind hole 21 in the present embodiment accounts for more than 1/3rd of sealed terminal end 2 length；The length of blind hole 21 is more than the length of sealing 23；The number of degrees of the angle γ between two buses on shaft section in the truncated cone-shaped that the bottom of one circle groove 22 is formed are 24 degree；Blind hole 21 ecto-entad in sealed terminal end 2 is followed successively by cylinder and cone；The sealing 23 of sealed terminal end 2 contacts with the wall in the truncated cone-shaped hole 12 of collar joint body 1, and the portion that holds out against 25 of sealed terminal end 2 contacts with the tight lock part 43 of nut 4；O 3 contacts with the wall in the truncated cone-shaped hole 12 of collar joint body 1；The afterbody of sealed terminal end 2 is exposed at outside nut 4.
Claims (10)
- null1. a cone O internal expanding sealed terminal end pipe joint，Including collar joint body，The outer wall of described collar joint body is provided with external screw thread，It is provided with fittings body through hole in this collar joint body，It is characterized in that: also include sealed terminal end、O and nut，The anterior ecto-entad of described fittings body through hole is followed successively by truncated cone-shaped hole and cylindrical hole，Described sealed terminal end is provided with blind hole，What the outer wall of described sealed terminal end was provided with the sealing of truncated cone-shaped and truncated cone-shaped holds out against portion，A circle it is provided with for installing the groove of O on described sealing，Described nut is provided with nut through hole，Described nut through hole includes the internal thread part being sequentially connected with、The tight lock part of truncated cone-shaped and cylindrical socket part，Described O is arranged on groove，Described nut and collar joint body are threaded and fixed by sealed terminal end，The front portion of described sealed terminal end is positioned at the fittings body through hole of collar joint body，The sealing of this sealed terminal end and the truncated cone-shaped hole of collar joint body coordinate，The portion that holds out against of described sealed terminal end and the tight lock part of nut coordinate.
- Cone O internal expanding sealed terminal end pipe joint the most according to claim 1, it is characterised in that: the length of described blind hole accounts for more than 1/3rd of sealed terminal end length.
- Cone O internal expanding sealed terminal end pipe joint the most according to claim 1, it is characterised in that: the length of described blind hole is more than the length of sealing.
- Cone O internal expanding sealed terminal end pipe joint the most according to claim 1, it is characterized in that: in described collar joint body, the number of degrees of angle between two buses on the shaft section in truncated cone-shaped hole are 24 degree, in described sealed terminal end, the number of degrees of angle between two buses on the shaft section of the sealing of truncated cone-shaped are 24 degree.
- Cone O internal expanding sealed terminal end pipe joint the most according to claim 1, it is characterized in that: in described sealed terminal end, the number of degrees of angle between two buses on the shaft section holding out against portion of truncated cone-shaped are 90 degree, in described nut, the number of degrees of angle between two buses on the shaft section of the tight lock part of truncated cone-shaped are 90 degree.
- Cone O internal expanding sealed terminal end pipe joint the most according to claim 1, it is characterised in that: the number of degrees of the angle between two buses on shaft section in the truncated cone-shaped that the bottom of a circle groove is formed are 24 degree.
- Cone O internal expanding sealed terminal end pipe joint the most according to claim 1, it is characterised in that: the blind hole ecto-entad in described sealed terminal end is followed successively by cylinder and cone.
- Cone O internal expanding sealed terminal end pipe joint the most according to claim 1, it is characterised in that: the sealing of described sealed terminal end contacts with the wall in the truncated cone-shaped hole of collar joint body, and the portion that holds out against of described sealed terminal end contacts with the tight lock part of nut.
- Cone O internal expanding sealed terminal end pipe joint the most according to claim 1, it is characterised in that: described O contacts with the wall in the truncated cone-shaped hole of collar joint body.
- Cone O internal expanding sealed terminal end pipe joint the most according to claim 1, it is characterised in that: the afterbody of described sealed terminal end is exposed at outside nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521079579.1U CN205606076U (en) | 2015-12-22 | 2015-12-22 | Awl O shape circle internal expanding sealing end coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521079579.1U CN205606076U (en) | 2015-12-22 | 2015-12-22 | Awl O shape circle internal expanding sealing end coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205606076U true CN205606076U (en) | 2016-09-28 |
Family
ID=56959851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521079579.1U Expired - Fee Related CN205606076U (en) | 2015-12-22 | 2015-12-22 | Awl O shape circle internal expanding sealing end coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205606076U (en) |
-
2015
- 2015-12-22 CN CN201521079579.1U patent/CN205606076U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20201222 |