CN208997502U - A kind of tubing seal cutting ferrule - Google Patents
A kind of tubing seal cutting ferrule Download PDFInfo
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- CN208997502U CN208997502U CN201821225530.6U CN201821225530U CN208997502U CN 208997502 U CN208997502 U CN 208997502U CN 201821225530 U CN201821225530 U CN 201821225530U CN 208997502 U CN208997502 U CN 208997502U
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Abstract
The utility model discloses a kind of tubing seal cutting ferrules, including rear cutting ferrule and preceding cutting ferrule, the rear cutting ferrule includes the first conical section, first cylindrical section, second cylindrical section and the second conical section, the inside of first conical section is equipped with the first cone tank, first cylindrical section both ends and the junction of the first conical section and the second cylindrical section are respectively equipped with the first arc segment and the second arc segment, first cylindrical section is equipped with several elongated slots, the inside of second conical section is equipped with third arc section, the preceding cutting ferrule includes third conical section and the 4th conical section, the inside of the third conical section is equipped with the second cone tank, the inside of 4th conical section is equipped with third cone tank, sealing effect before improving between cutting ferrule and fitting body, nut motive force is set to be uniformly distributed, avoid the abrasion of preceding cutting ferrule excessive deformation and rear cutting ferrule, The flexibility for increasing rear cutting ferrule, the junction stress for avoiding the first cylindrical section and the first conical section and the second cylindrical section are concentrated.
Description
[technical field]
The utility model relates to the technical field of cutting ferrule, especially a kind of technical field of tubing seal cutting ferrule.
[background technique]
Pipeline cutting ferrule sealing technique be now widely used for petroleum, chemical industry, municipal administration, electric power etc. involve the interests of the state and the people it is important
Field has the advantages that no-welding, good seal performance, compact-sized, assembly and disassembly are fast and convenient.Axial precession cutting ferrule nut, it is rear to block
Set is axial to be promoted, squeezes preceding cutting ferrule, and preceding cutting ferrule, which is axially got into and radially holds cutting ferrule pipe tightly, completes sealing function, at the same time, after
Cutting ferrule generates appropriate deformation, holds cutting ferrule pipe tightly and completes to firmly grasp function, improves the property such as sealing performance and anti-vibration of pipe fitting
Energy.The major function of preceding cutting ferrule be under the action of certain thrust, generate elastic-plastic deformation, respectively with tube outer wall and fitting body
Inner cone hole face realizes sealing.Cutting ferrule is then to play for the fastening force of nut to be transmitted on preceding cutting ferrule, and promote preceding cutting ferrule to spy afterwards
Determine direction and enough elastic-plastic deformations occur, to form effective face sealing.But the mating surface of nut and rear cutting ferrule is in spiral shell
Abrasion caused by friction is often accompanied by cap rundown process, to increase operation torque.Cutting ferrule cannot generate appropriate afterwards
Deformation, assembly torque is larger, on the one hand workload is caused to increase, has aggravated labor intensity, is on the other hand difficult to ensure offer
Lasting larger operation torque may cause front and back cutting ferrule deformation deficiency, and influence is firmly grasped and sealing effect.Furthermore excessive operation
Torque equally will cause preceding cutting ferrule excessive deformation, reduce the sealing effect of double card set connection.
[utility model content]
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of tubing seal cutting ferrule, makes third
The cone angle of cone tank is greater than the cone angle of the first conical section, and the cone angle of the first conical section is greater than the cone angle of third conical section, third cone
The cone angle of shape section is greater than the cone angle of the 4th conical section, and the length of the first cone tank and the second cone tank is consistent with cone angle, setting
It is flared the second conical section towards right side, third arc section is set in the inside of the second conical section, nut is to rear card when making initial
The promotion ability of set is limited, so that preceding cutting ferrule be made to deform prior to rear cutting ferrule, with the progress of promotion, nut is bonded with rear cutting ferrule
Face is gradually increased, and preceding cutting ferrule deformation is gradually increased, and it is straight that pipe and joints body gradually passes to rear cutting ferrule to the resistance of preceding cutting ferrule
Starting to deform to rear cutting ferrule, the sealing effect before improving between cutting ferrule and fitting body enables nut motive force to be uniformly distributed,
Avoid the abrasion of preceding cutting ferrule excessive deformation and rear cutting ferrule；By the first cylindrical section both ends be respectively set the first arc section and
Second arc section is arranged elongated slot in the first cylindrical section, increases the flexibility of rear cutting ferrule, avoid the first cylindrical section and the first taper
The junction stress of section and the second cylindrical section is concentrated, and is enhanced the intensity of rear cutting ferrule, is extended service life.
To achieve the above object, the utility model proposes a kind of tubing seal cutting ferrule, including rear cutting ferrule and preceding cutting ferrule, institutes
The rear cutting ferrule stated includes the first conical section, the first cylindrical section, the second cylindrical section and the second conical section, first conical section, the
Perforation is equipped with first through hole in one cylindrical section, the second cylindrical section and the second conical section, and the inside of first conical section is equipped with the
The junction of one cone tank, first cylindrical section both ends and the first conical section and the second cylindrical section is respectively equipped with the first arc section
With the second arc section, first cylindrical section is equipped with several elongated slots, and the inside of second conical section is equipped with third arc section,
The preceding cutting ferrule includes third conical section and the 4th conical section, and perforation is equipped with second in the third conical section and the 4th conical section
Through-hole, the inside of the third conical section are equipped with the second cone tank, and the inside of the 4th conical section is equipped with third cone tank.
Preferably, the flaring direction of first conical section, third conical section and the 4th conical section is towards left side, it is described
The flaring direction of second conical section is towards right side, the flaring direction of first cone tank, the second cone tank and third cone tank
Towards left side.
Preferably, diameter of the diameter of first cylindrical section less than the second cylindrical section, first conical section are most left
The diameter at end is consistent with the diameter of the first cylindrical section, the diameter of the second conical section right end and the diameter one of the second cylindrical section
It causes.
Preferably, the cone angle of the third cone tank is greater than the cone angle of the first conical section, the cone of first conical section
Angle is greater than the cone angle of third conical section, and the cone angle of the third conical section is greater than the cone angle of the 4th conical section.
Preferably, the side is right angle close to axle center for first cone tank and the second cone tank left end, described
The length of one cone tank and the second cone tank is consistent with cone angle.
Preferably, the first through hole is consistent with the diameter of the second through-hole.
Preferably, first conical section, the first cylindrical section, the second cylindrical section and the second conical section are structure as a whole,
The third conical section and the 4th conical section are structure as a whole.
The utility model has the beneficial effects that this is practical newly by making the cone angle of third cone tank be greater than the cone of the first conical section
Angle, the cone angle of the first conical section are greater than the cone angle of third conical section, and the cone angle of third conical section is greater than the cone angle of the 4th conical section,
The length of first cone tank and the second cone tank is consistent with cone angle, and setting is flared the second conical section towards right side, second
Third arc section is arranged in the inside of conical section, and nut is limited to the promotion ability of rear cutting ferrule when making initial, so that cutting ferrule is first before making
It is deformed in rear cutting ferrule, with the progress of promotion, the binding face of nut and rear cutting ferrule is gradually increased, and preceding cutting ferrule deformation is gradually increased,
Pipe and joints body to the resistance of preceding cutting ferrule gradually pass to rear cutting ferrule until rear cutting ferrule start to deform, improve before cutting ferrule with
Sealing effect between fitting body enables nut motive force to be uniformly distributed, and avoids preceding cutting ferrule excessive deformation and rear cutting ferrule
Abrasion；By the way that the first arc segment and the second arc segment are respectively set at the first cylindrical section both ends, it is arranged in the first cylindrical section and grows
Slot increases the flexibility of rear cutting ferrule, avoids the junction stress collection of the first cylindrical section and the first conical section and the second cylindrical section
In, the intensity of rear cutting ferrule is enhanced, service life is extended.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of front sectional view of the rear cutting ferrule of tubing seal cutting ferrule of the utility model；
Fig. 2 is a kind of front sectional view of the preceding cutting ferrule of tubing seal cutting ferrule of the utility model；
Fig. 3 is a kind of main view of the rear cutting ferrule of tubing seal cutting ferrule of the utility model.
In figure: cutting ferrule, the first conical section of 11-, the first cone tank of 111-, the first cylindrical section of 12-, the first circular arc of 121- after 1-
Section, the second arc section of 122-, 123- elongated slot, the second cylindrical section of 13-, the second conical section of 14-, 141- third arc section, 15- first
Cutting ferrule, 21- third conical section, the second cone tank of 211-, the 4th tapered end 22-, 221- third cone tank and 23- before through-hole, 2-
Second through-hole.
[specific embodiment]
Refering to fig. 1, Fig. 2 and Fig. 3, a kind of tubing seal cutting ferrule of the utility model, including rear cutting ferrule 1 and preceding cutting ferrule 2, it is described
Rear cutting ferrule 1 include the first conical section 11, the first cylindrical section 12, the second cylindrical section 13 and the second conical section 14, it is described first cone
Perforation is equipped with first through hole 15, first cone in shape section 11, the first cylindrical section 12, the second cylindrical section 13 and the second conical section 14
The inside of shape section 11 is equipped with the first cone tank 111,12 both ends of the first cylindrical section and the first conical section 11 and the second cylindrical section
13 junction is respectively equipped with the first arc section 121 and the second arc section 122, and first cylindrical section 12 is equipped with several elongated slots
123, the inside of second conical section 14 is equipped with third arc section 141, and the preceding cutting ferrule 2 includes third conical section 21 and the 4th
Perforation is equipped with the second through-hole 23, the third conical section 21 in conical section 22, the third conical section 21 and the 4th conical section 22
Inside be equipped with the second cone tank 211, the inside of the 4th conical section 22 is equipped with third cone tank 221, first taper
Section 11, third conical section 21 and the 4th conical section 22 flaring direction towards left side, the flaring direction of second conical section 14
Towards right side, the flaring direction of first cone tank 111, the second cone tank 211 and third cone tank 221 is towards left side, institute
State diameter of the diameter less than the second cylindrical section 13 of the first cylindrical section 12, the diameter and first of 11 left end of the first conical section
The diameter of cylindrical section 12 is consistent, and the diameter of 14 right end of the second conical section is consistent with the diameter of the second cylindrical section 13, described
The cone angle of third cone tank 221 is greater than the cone angle of the first conical section 11, and the cone angle of first conical section 11 is greater than third taper
The cone angle of section 21, the cone angle of the third conical section 21 are greater than the cone angle of the 4th conical section 22, first cone tank 111 and the
Close to axle center, the side is right angle to two cone tanks, 211 left end, the length of first cone tank 111 and the second cone tank 211
Consistent with cone angle, the first through hole 15 is consistent with the diameter of the second through-hole 23, first conical section 11, the first cylindrical section
12, the second cylindrical section 13 and the second conical section 14 are structure as a whole, and the third conical section 21 and the 4th conical section 22 are integrated
Structure.
Utility model works process:
A kind of tubing seal cutting ferrule of the utility model during the work time, cutting ferrule before successively being packaged on pipe to be connected
2, pipe to be connected, is withstood the step of fitting body horn mouth bottom end by rear cutting ferrule 1 and nut.It is rear to block with screwing for nut
Cutting ferrule 2 moves forward before the third cone tank 221 of cutting ferrule 2 constantly pushes before first conical section 11 of set 1 is withstood, third taper
Section 21 contacts the horn mouth of fitting body first, and preceding cutting ferrule 2 continues to move forward, and the gap between the 4th conical section 22 and horn mouth is gradually
Reduction finally forces third conical section 21 inwardly to squeeze and be embedded in tube surface along the second cone tank 211, plays first of sealing
With the effect of fastening, after the current deformation to a certain extent of cutting ferrule 2, the first conical section 11 of rear cutting ferrule 1 starts along the first taper
Slot 111 inwardly squeezes and is embedded in tube surface, plays second sealing and fastening.
The utility model is by making the cone angle of third cone tank be greater than the cone angle of the first conical section, the cone angle of the first conical section
Greater than the cone angle of third conical section, the cone angle of third conical section is greater than the cone angle of the 4th conical section, the first cone tank and the second cone
The length of shape slot is consistent with cone angle, second conical section of the setting flaring towards right side, the setting the in the inside of the second conical section
Three-arc section, nut is limited to the promotion ability of rear cutting ferrule when making initial, so that preceding cutting ferrule be made to deform prior to rear cutting ferrule, with pushing away
Dynamic progress, the binding face of nut and rear cutting ferrule are gradually increased, and preceding cutting ferrule deformation is gradually increased, and pipe and joints body is to preceding cutting ferrule
Resistance gradually pass to rear cutting ferrule until rear cutting ferrule starts to deform, the sealing before improving between cutting ferrule and fitting body is imitated
Fruit enables nut motive force to be uniformly distributed, and avoids the abrasion of preceding cutting ferrule excessive deformation and rear cutting ferrule；By in the first circle
The first arc segment and the second arc segment are respectively set in shell of column both ends, and elongated slot is arranged in the first cylindrical section, increases the soft of rear cutting ferrule
Property, the junction stress concentration of the first cylindrical section and the first conical section and the second cylindrical section is avoided, the strong of rear cutting ferrule is enhanced
Degree, extends service life.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, and any pair of sheet is practical new
Scheme after type simple transformation belongs to the protection scope of the utility model.
Claims (7)
1. a kind of tubing seal cutting ferrule, it is characterised in that: including rear cutting ferrule (1) and preceding cutting ferrule (2), rear cutting ferrule (1) packet
Include the first conical section (11), the first cylindrical section (12), the second cylindrical section (13) and the second conical section (14), first conical section
(11), perforation is equipped with first through hole (15) in the first cylindrical section (12), the second cylindrical section (13) and the second conical section (14), described
The inside of first conical section (11) is equipped with the first cone tank (111), the first cylindrical section (12) both ends and the first conical section
(11) and the junction of the second cylindrical section (13) is respectively equipped with the first arc section (121) and the second arc section (122), and described first
Cylindrical section (12) is equipped with several elongated slots (123), and the inside of second conical section (14) is equipped with third arc section (141), institute
Stating preceding cutting ferrule (2) includes third conical section (21) and the 4th conical section (22), the third conical section (21) and the 4th conical section
(22) perforation is equipped with the second through-hole (23) in, and the inside of the third conical section (21) is equipped with the second cone tank (211), and described the
The inside of four conical sections (22) is equipped with third cone tank (221).
2. a kind of tubing seal cutting ferrule as described in claim 1, it is characterised in that: first conical section (11), third cone
Towards left side, the flaring direction direction of second conical section (14) is right in the flaring direction of shape section (21) and the 4th conical section (22)
Side, the flaring direction of first cone tank (111), the second cone tank (211) and third cone tank (221) is towards left side.
3. a kind of tubing seal cutting ferrule as described in claim 1, it is characterised in that: the diameter of first cylindrical section (12) is small
Diameter in the second cylindrical section (13), the diameter of the first conical section (11) left end and the diameter one of the first cylindrical section (12)
It causes, the diameter of the second conical section (14) right end is consistent with the diameter of the second cylindrical section (13).
4. a kind of tubing seal cutting ferrule as described in claim 1, it is characterised in that: the cone angle of the third cone tank (221)
Greater than the cone angle of the first conical section (11), the cone angle of first conical section (11) is greater than the cone angle of third conical section (21), institute
The cone angle for stating third conical section (21) is greater than the cone angle of the 4th conical section (22).
5. a kind of tubing seal cutting ferrule as described in claim 1, it is characterised in that: first cone tank (111) and second
Close to axle center, the side is right angle to cone tank (211) left end, first cone tank (111) and the second cone tank (211)
Length is consistent with cone angle.
6. a kind of tubing seal cutting ferrule as described in claim 1, it is characterised in that: the first through hole (15) and the second through-hole
(23) diameter is consistent.
7. a kind of tubing seal cutting ferrule as described in claim 1, it is characterised in that: first conical section (11), the first circle
Shell of column (12), the second cylindrical section (13) and the second conical section (14) are structure as a whole, the third conical section (21) and the 4th cone
Shape section (22) is structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821225530.6U CN208997502U (en) | 2018-08-01 | 2018-08-01 | A kind of tubing seal cutting ferrule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821225530.6U CN208997502U (en) | 2018-08-01 | 2018-08-01 | A kind of tubing seal cutting ferrule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208997502U true CN208997502U (en) | 2019-06-18 |
Family
ID=66796743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821225530.6U Active CN208997502U (en) | 2018-08-01 | 2018-08-01 | A kind of tubing seal cutting ferrule |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208997502U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000053A (en) * | 2018-08-01 | 2018-12-14 | 嘉兴新亚汽车零部件有限公司 | A kind of tubing seal cutting ferrule |
| CN112827751A (en) * | 2020-12-31 | 2021-05-25 | 南京理工大学 | Pure-mechanism sealed glue injection device and method |
-
2018
- 2018-08-01 CN CN201821225530.6U patent/CN208997502U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000053A (en) * | 2018-08-01 | 2018-12-14 | 嘉兴新亚汽车零部件有限公司 | A kind of tubing seal cutting ferrule |
| CN112827751A (en) * | 2020-12-31 | 2021-05-25 | 南京理工大学 | Pure-mechanism sealed glue injection device and method |
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| Date | Code | Title | Description |
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| 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: 314300 No. nine village level workshop No. 2, Zhuang village, Yuantong street, Haiyan County, Jiaxing, Zhejiang Patentee after: Jiaxing Xinya Technology Co.,Ltd. Address before: 314300 No. nine village level workshop No. 2, Zhuang village, Yuantong street, Haiyan County, Jiaxing, Zhejiang Patentee before: JIAXING XINYA AUTO PARTS Co.,Ltd. |