CN105757367B - A kind of ferrule fitting device - Google Patents
A kind of ferrule fitting device Download PDFInfo
- Publication number
- CN105757367B CN105757367B CN201610288133.2A CN201610288133A CN105757367B CN 105757367 B CN105757367 B CN 105757367B CN 201610288133 A CN201610288133 A CN 201610288133A CN 105757367 B CN105757367 B CN 105757367B
- Authority
- CN
- China
- Prior art keywords
- cutting ferrule
- pressing sleeve
- peripheral surface
- fittings body
- nut
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims description 26
- 238000009434 installation Methods 0.000 abstract description 10
- 238000012797 qualification Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0206—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the collar not being integral with the pipe
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints With Pressure Members (AREA)
Abstract
The invention discloses a kind of ferrule fitting devices.The technical solution adopted in the present invention is, including fittings body, cutting ferrule and nut, is mounted in fittings body on the left of the cutting ferrule, is mounted in pressing sleeve on the right side of cutting ferrule, and pressing sleeve is mounted in nut, and nut is mounted on fittings body.The ferrule fitting installation operation of the present invention is very simple, need to only briefly describe level that is both operable, and can reaching same qualification, efficiency is also very high, and is portable installation tool, lightly, cheap, easy to use.
Description
Technical field
The invention belongs to pipeline connection technique fields, and more specifically, it relates to a kind of ferrule fitting devices.
Background technology
Existing ferrule fitting group prejudice Fig. 1 and Fig. 2, are made of fittings body 1, cutting ferrule 2, nut 3, wherein have on fittings body
External screw thread has matched internal thread on nut, has inner conical surface 4 on fittings body, cutting ferrule left end has 5 right end of male cone (strobilus masculinus) to have the conical surface 6, interior
Hole left end cuts ring 7.After nut screws on fittings body, the conical surface 5 squeezes the receipts that deform by connector body cone 4 on cutting ferrule
Contracting is cut ring 7 and is just cut in 8 surface layer of pipeline, realizes that the connection and sealing of cutting ferrule and pipeline, the sealing between cutting ferrule and fittings body are leaned on
The compression of the conical surface 4 and the conical surface 5 realizes that the sealing between cutting ferrule and pipeline cuts 8 Surface realization of pipeline by cutting ring 7.
Existing ferrule fitting has some disadvantages：Only sealing ring together between cutting ferrule and pipeline, sealing effect be not it is fine,
Leakage is easy to happen in actual use；In addition, since cutting ferrule deflection is limited, this requires between outer diameter tube and cutting ferrule internal diameter
Gap cannot be larger, otherwise cutting ferrule incision pipeline depth can become smaller, clamping force becomes smaller, connection and sealing effect be deteriorated, because
Internal diameter size is certain after being processed for cutting ferrule, could be protected this requires outer diameter tube size can only change in the range of a very little
Card connection and sealing effect, to the required precision higher of pipeline, to increase the cost of pipeline.
Invention content
The purpose of the present invention is overcoming above-mentioned the deficiencies in the prior art, one kind is provided and effectively improves ferrule fitting connection
Connect the ferrule fitting device with sealing reliability.
Ferrule fitting device of the present invention the technical scheme adopted is that include fittings body, cutting ferrule and nut, it is characterized in that：
It is mounted in fittings body on the left of the cutting ferrule, is mounted in pressing sleeve on the right side of cutting ferrule, pressing sleeve is mounted in nut, and nut is mounted on and connects
On head body；
The cutting ferrule endoporus has three to cut ring, and the left end aperture sections Qie Huan are right angled triangle, and it is yes that ring section is cut in centre
Isosceles triangle, the right end aperture sections Qie Huan are trapezoidal, above-mentioned three equal, settings one in the middle part of cutting ferrule peripheral surface of cutting ring internal diameter
The step of rectangular section, step left side cutting ferrule peripheral surface is the single conical surface, from step right side to the card of cutting ferrule right end
Set peripheral surface is followed successively by cylindrical surface one, circular conical surface one, cylindrical surface two, is connected with circular conical surface between the cylindrical surface one and cylindrical surface two
It connects, at least one end at fittings body inner peripheral surface both ends is inner conical surface, the inner cone of the conical surface and fittings body inner peripheral surface of cutting ferrule left end
Face is fitted close；
The rectangular section outer diameter of step of the pressing sleeve outside diameter and cutting ferrule is equal in magnitude, and pressing sleeve right end peripheral surface is circular cone
Face, pressing sleeve inner peripheral surface are followed successively by cylindrical surface three, circular conical surface two, cylindrical surface four from left end to right end.
The nut inner peripheral surface right end is fitted close with pressing sleeve peripheral surface.
The beneficial effects of the invention are as follows：
Connection and sealing reliability higher, it is low to pipeline required precision, reduce piping cost.
Since there are three sealings to cut ring for the cutting ferrule in the ferrule fitting of the present invention, ring is cut in left end aperture, 17 and of ring is cut in centre
Ring is cut in right end aperture, wherein centre cuts ring and right end aperture cuts ring and moderate finite deformation can occur under the extruding of pressing sleeve, they
The diameter of bore amount of having a greater change ensures connection and sealing effect in this way, being clamped pipe diameter is smaller.It is right
The required precision of pipeline reduces, and the pipeline of relatively low accuracy class may be used, and the low pipeline price of precision is also low, saves
Project cost.In addition, the installation operation requirement of existing ferrule fitting is stringenter, operator will pass through special training, operation fiber crops
Tired, efficiency is low, be easy to cause quality of connection problem, meanwhile, installation equipment is complicated, heavy, expensive；The cutting ferrule of the present invention connects
Head installation operation is very simple, need to only briefly describe level that is both operable, and can reaching same qualification, efficiency
It is very high, and be portable installation tool, it is lightly, cheap, it is easy to use.
Description of the drawings
Fig. 1 is existing ferrule fitting and Pipe installing schematic diagram；
Fig. 2 is the partial enlarged view of Fig. 1；
Fig. 3 is ferrule fitting and Pipe installing schematic diagram of the present invention；
Fig. 4 is fittings body structural schematic diagram；
Fig. 5 is ferrule structure schematic diagram；
Fig. 6 is pressing sleeve structural schematic diagram；
Fig. 7 is nut structure diagram；
Fig. 8 is the partial enlarged view of Fig. 5；
Fig. 9 is the partial enlarged view of Fig. 6；
Figure 10 is the occlusion sectional view being fastened on pipeline.
Specific implementation mode
The present invention program is described in detail below in conjunction with the drawings and specific embodiments.
As shown in figs. 3-10, ferrule fitting of the present invention, including fittings body 1, cutting ferrule 2 and nut 3, cutting ferrule left side installation
It in fittings body, is mounted in pressing sleeve 11 on the right side of cutting ferrule, pressing sleeve is mounted in nut, and nut is mounted on fittings body；
As shown in Fig. 4,5,8 and 10, cutting ferrule endoporus has three to cut ring, and the left end aperture sections Qie Huan16 are right angled triangle,
It is isosceles triangle that centre, which cuts 17 section of ring to be, and the right end aperture sections Qie Huan18 are trapezoidal, above-mentioned three equal, cards of cutting ring internal diameter
The step 19 of one rectangular section of setting in the middle part of peripheral surface is covered, 19 left side cutting ferrule peripheral surface of the step is the conical surface 5, from described
Cutting ferrule peripheral surface on the right side of rank to cutting ferrule right end is followed successively by cylindrical surface 1, circular conical surface 1, cylindrical surface 2 22, the cylindrical surface
Connected with circular conical surface between one and cylindrical surface two, fittings body inner peripheral surface both ends be inner conical surface 4, the conical surface 5 of cutting ferrule left end with
The inner conical surface 4 of fittings body inner peripheral surface is fitted close；
As shown in Figure 6 and 9, the rectangular section outer diameter of step of pressing sleeve outside diameter and cutting ferrule is equal in magnitude, outside pressing sleeve right end
Circumferential surface is circular conical surface 24, and pressing sleeve inner peripheral surface is followed successively by cylindrical surface 3 25, circular conical surface 2 26, cylindrical surface 4 27 from left end to right end；
As shown in fig. 7, nut inner peripheral surface right end is fitted close with pressing sleeve peripheral surface.
Fig. 3 is the schematic diagram that pipeline couples with ferrule fitting, and ring 16 is cut in cutting ferrule left end aperture, ring 17 is cut in centre, right end hole
Mouth cuts the incision of ring 18 and 8 outer surface of clamping pipe, and the conical surface 5 of cutting ferrule left end is inserted into (pressing sleeve in the inner conical surface 4 of fittings body inner peripheral surface
It is pressed on cutting ferrule in advance), nut compresses cutting ferrule with being screwed on fittings body while compressing pressing sleeve, by pressing sleeve and clamps pipe always
Road, and ensure that cutting ferrule is compressed with fittings body.The structure of each part is shown in each independent drawings of Fig. 4 to Fig. 9 and the big figure of relevant hair.
The conical surface 5 of cutting ferrule left end compresses with the fittings body endoporus conical surface 4 and generates certain flexible deformation, due to the effect of elastic force
The two conical surfaces are adjacent to realization sealing always, and nut is tightened on fittings body, while ensureing that cutting ferrule clamps pipe always by pressing sleeve
It road and is compressed with fittings body, maintains pipeline and connector reliably connection and sealing.
The present invention is as follows using installation process：
Before construction and installation, first pressing sleeve is pressed on cutting ferrule in advance, at this moment pressing sleeve is to the compression very little of cutting ferrule, cutting ferrule hole size
It is basically unchanged, this step is not essential, and purpose is intended merely to that pressing sleeve and cutting ferrule is made to be integrally formed, and conveniently picks and places, this work
It is completed in connector factory.When construction and installation, the integral pressing sleeve of nut, precompressed and cutting ferrule are successively sleeved on pipeline in order
On, pipeline by construction requirement be inserted into cutting ferrule endoporus in, with dedicated hydraulic installation tool to after precompressed pressing sleeve and cutting ferrule into
The final pressing of row, pressing sleeve left side is contacted with the right side of cutting ferrule step 19 after pressing, sees Fig. 3, at this time on cutting ferrule three cut ring
Cut pipeline, cutting ferrule secured clamping pipe.Then, nut is sleeved on pressing sleeve, nut inner conical surface is pressed in pressing sleeve male cone (strobilus masculinus)
On 24, nut is tightened on fittings body, the cutting ferrule conical surface 5 is with regard on pressed joint body cone 4, because cutting ferrule has certain bullet
Property, and cutting ferrule left end includes the wall thickness of this segment structure of tapered portion, and being designed to existing sufficient intensity again has rational toughness,
With the compression of nut, certain flexible deformation can occur for the cutting ferrule conical surface, ensure that the cutting ferrule conical surface is tightly pressed against connector body cone 4
On, even if position there are small variations between cutting ferrule and fittings body, since cutting ferrule is resiliently flexible, still can ensure to seal.
Claims (2)
1. a kind of ferrule fitting, including fittings body, cutting ferrule and nut, it is characterized in that：It is mounted in fittings body on the left of the cutting ferrule,
It is mounted in pressing sleeve on the right side of cutting ferrule, pressing sleeve is mounted in nut, and nut is mounted on fittings body；
The cutting ferrule endoporus has three to cut ring, and the left end aperture sections Qie Huan are right angled triangle, and it is isosceles that centre, which cuts ring section to be,
Triangle, the right end aperture sections Qie Huan are trapezoidal, and above-mentioned three to cut ring internal diameter equal, and a rectangle is arranged in the middle part of cutting ferrule peripheral surface
The step in section, step left side cutting ferrule peripheral surface is the single conical surface, outside step right side to the cutting ferrule of cutting ferrule right end
Circumferential surface is followed successively by cylindrical surface one, circular conical surface one, cylindrical surface two, is connected with circular conical surface one between the cylindrical surface one and cylindrical surface two
It connects, at least one end at fittings body inner peripheral surface both ends is inner conical surface, the inner cone of the conical surface and fittings body inner peripheral surface of cutting ferrule left end
Face is fitted close；
The rectangular section outer diameter of step of the pressing sleeve outside diameter and cutting ferrule is equal in magnitude, and pressing sleeve right end peripheral surface is circular conical surface,
Pressing sleeve inner peripheral surface is followed successively by cylindrical surface three, circular conical surface two, cylindrical surface four from left end to right end.
2. ferrule fitting according to claim 1, it is characterized in that：The nut inner peripheral surface right end and pressing sleeve peripheral surface are close
Cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610288133.2A CN105757367B (en) | 2016-05-04 | 2016-05-04 | A kind of ferrule fitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610288133.2A CN105757367B (en) | 2016-05-04 | 2016-05-04 | A kind of ferrule fitting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105757367A CN105757367A (en) | 2016-07-13 |
| CN105757367B true CN105757367B (en) | 2018-08-17 |
Family
ID=56323240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610288133.2A Expired - Fee Related CN105757367B (en) | 2016-05-04 | 2016-05-04 | A kind of ferrule fitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105757367B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195494B (en) * | 2016-08-29 | 2019-10-18 | 杭州温格科技有限公司 | Quick coupling |
| CN107606345A (en) * | 2017-09-05 | 2018-01-19 | 煌盛集团重庆管业有限公司 | A kind of hole pattern steel strip-plastic composite pipe connector of convenient disassembly |
| CN112443710A (en) * | 2019-09-03 | 2021-03-05 | 大连中和聚能自动控制系统有限公司 | Steel pipe joint capable of being independently disassembled and repeatedly used |
| CN112013177A (en) * | 2020-09-21 | 2020-12-01 | 天津中瑞邦络克管道联接技术有限公司 | A reverse ferrule joint |
| CN113531236A (en) * | 2021-06-23 | 2021-10-22 | 广西防城港核电有限公司 | Joint switching assembly for instrument and pipeline system and system thereof |
| CN114284804B (en) * | 2021-12-20 | 2023-12-22 | 国网甘肃省电力公司庆阳供电公司 | Cable core joint identification mechanism and application method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205716105U (en) * | 2016-05-04 | 2016-11-23 | 天津创辉帮络克管道联接技术有限公司 | A kind of ferrule fitting device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001020830A (en) * | 1999-07-09 | 2001-01-23 | Usui Internatl Ind Co Ltd | High pressure fuel injection pipe for diesel engine |
| CN202510871U (en) * | 2012-04-11 | 2012-10-31 | 依格流体技术（嘉兴）有限公司 | Cutting ferrule joint |
| EP2843284B1 (en) * | 2012-04-27 | 2017-09-13 | Nasco Fitting Co., Ltd. | Pipe joint, closing valve and loosening tool |
| CN103807526B (en) * | 2012-11-13 | 2017-02-22 | 中车青岛四方机车车辆股份有限公司 | Clamping sleeve type metal sealing pipe joint and using method thereof |
| CN204358294U (en) * | 2014-12-29 | 2015-05-27 | 亿达日平机床有限公司 | Cutting ferrule rear end is with cutting edge sleeve and front end has the Bite type fittings of double blade |
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2016
- 2016-05-04 CN CN201610288133.2A patent/CN105757367B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205716105U (en) * | 2016-05-04 | 2016-11-23 | 天津创辉帮络克管道联接技术有限公司 | A kind of ferrule fitting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105757367A (en) | 2016-07-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300300, Tianjin Binhai New Area Free Trade test area (Airport Economic Zone), No. 369 West River Road, third floor, 313 Patentee after: Tianjin Shuyuan Technology Co.,Ltd. Address before: 300300, Tianjin Binhai New Area Free Trade test area (Airport Economic Zone), No. 369 West River Road, third floor, 313 Patentee before: TIANJIN CHUANGHUI BANGLUOKE PIPELINE CONNECTION TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200102 Address after: 300300, Tianjin Binhai New Area Free Trade Zone (Airport Economic Zone) No. 369 West River Road Patentee after: TIANJIN SINO-SWISS BONLOK PIPE CONNECTION TECHNOLOGY Co.,Ltd. Address before: 300300, Tianjin Binhai New Area Free Trade test area (Airport Economic Zone), No. 369 West River Road, third floor, 313 Patentee before: Tianjin Shuyuan Technology Co.,Ltd. |
|
| 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: 20180817 |