CN110107760A - A kind of bellows with socket self-locking function - Google Patents
A kind of bellows with socket self-locking function Download PDFInfo
- Publication number
- CN110107760A CN110107760A CN201910178537.XA CN201910178537A CN110107760A CN 110107760 A CN110107760 A CN 110107760A CN 201910178537 A CN201910178537 A CN 201910178537A CN 110107760 A CN110107760 A CN 110107760A
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- China
- Prior art keywords
- self
- locking ring
- locking
- peg
- connection
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Classifications
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- 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
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/04—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with a swivel nut or collar engaging the pipe
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Joints Allowing Movement (AREA)
Abstract
The present invention relates to a kind of bellowss with socket self-locking function, this has the bellows of socket self-locking function, including bellows main body, the both ends of the bellows main body are respectively equipped with bell and spigot joint and connection-peg, external member is wherein additionally provided on connection-peg, external member is threadedly engaged with bell and spigot joint；Bell and spigot joint is equipped with self-locking mechanism, which includes self-locking ring, and self-locking ring is located in the annular chamber on the tube wall of bell and spigot joint, and the tube wall of the bell and spigot joint on the outside of the annular chamber swells outward constitutes the domed annular protrusion in a circle cross section；The outside of connection-peg is equipped with the circle self-locking grooves U-shaped with the cross section of self-locking ring cooperation；The left end of external member is equipped with the inner conical surface backwards to the setting of connection-peg side；It is connected by way of grafting between bellows of the invention, and self-locking ring locked joints is cooperated by external member, installation quickly, can dismantle recovery, be worth promoting.
Description
Technical field
The invention belongs to Bellows Technology fields, and in particular to a kind of bellows with socket self-locking function.
Background technique
PE bellows, i.e. the plastic protective sleeve pipe of polyethylene material extrusion molding, because its inside and outside be it is annular corrugated again
It is bellows.It is without damage to play protection cable.The features such as wearability is good, corrosion-resistant.Because PE material is more resistant to corrosion, resistance to
Abrasion and aging, it is environmentally protective, so PE bellows is also commonly used for rain branch sewer.The plastic film capicitor of water channel drain is mostly
Soft structures, end are light wall straight tube, are generally connected by way of flaring welding between each other, and joint efficiency is low, and
Recovery can not be dismantled.
Summary of the invention
The object of the invention is that solve the above-mentioned problems and provide it is a kind of can be by grafting and the lock of external member
The connection between bellows is tightly fast implemented, and the bellows with socket self-locking function of recovery can be dismantled.
The present invention through the following technical solutions to achieve the above objectives:
A kind of bellows with socket self-locking function, including bellows main body, the both ends difference of the bellows main body
Equipped with bell and spigot joint and connection-peg, external member is wherein additionally provided on connection-peg, external member is threadedly engaged with bell and spigot joint；
Bell and spigot joint is equipped with self-locking mechanism, which includes self-locking ring, and self-locking ring is located on the tube wall of bell and spigot joint
In annular chamber, the tube wall of the bell and spigot joint on the outside of the annular chamber swells outward constitutes the domed annular protrusion in a circle cross section；
The outside of connection-peg is equipped with the circle self-locking grooves U-shaped with the cross section of self-locking ring cooperation；The left end of external member is equipped with
Backwards to the inner conical surface of connection-peg side setting.
As a further optimization solution of the present invention, the cross section of the self-locking ring is oval, by cross section in rectangular
The outer ring of the main part of shape, the inner ring of cross section semicircular in shape and cross section semicircular in shape is constituted；Self-locking ring includes symmetrical above and below
The upper self-locking ring and lower self-locking ring being arranged.
As a further optimization solution of the present invention, the inside of the annular protrusion is equipped with and the external cooperation of self-locking ring
Concave surface.
As a further optimization solution of the present invention, it is set between the upper self-locking ring of the self-locking ring and the end of lower self-locking ring
Spring is set, and is equipped with the blind hole with spring cooperation in the end of upper self-locking ring and lower self-locking ring, both ends of the spring is respectively arranged on
In the blind hole of self-locking ring and lower self-locking ring；When connection-peg is extracted, spring can jack up two parts self-locking ring, answer self-locking ring
Position.
As a further optimization solution of the present invention, rounded corner is arranged in the outer of the outer end face of the connection-peg.Make grafting
It is excessively passed through when head end face contact self-locking ring by the circular arc of chamfering.
As a further optimization solution of the present invention, the outer end of the connection-peg be equipped with male cone (strobilus masculinus), using the conical surface with it is self-locking
Ring contact makes axial force be converted into radial force, keeps self-locking ring jack-up annular protrusion logical to provide for connection-peg by squeezing self-locking ring
The space crossed.
As a further optimization solution of the present invention, the bellows main body is equipped with external seal mechanism, external seal mechanism
Including the stuffing-box constituted between bell and spigot joint and connection-peg, it is equipped in stuffing-box and covers the gland on connection-peg, bell and spigot joint and pressure
The right end of lid is equipped with mutually matched connecting flange, is connected between gland and bell and spigot joint by connecting flange, filling in stuffing-box
Airtight and watertight padding.
The beneficial effects of the present invention are:
1) it is connected by way of grafting between bellows of the invention, and self-locking ring locked joints is cooperated by external member,
Installation is quickly, easy to disassemble；
2) self-locking ring of the invention is arranged in the tube wall of bell and spigot joint, moves inward locking grafting using male cone (strobilus masculinus) extruding
Head have an impact self-locking mechanism will not for connection sealing, be conducive to improve leakproofness；
3) the further setting external seal mechanism of the present invention keeps improving sealing while detachability by packing seal
Property.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention in embodiment one；
Fig. 2 is enlarged drawing at the A of Fig. 1；
Fig. 3 is structural schematic diagram of the invention in embodiment one；
Fig. 4 is enlarged drawing at the B of Fig. 3；
Fig. 5 is the structural schematic diagram of self-locking ring of the invention in embodiment one；
Fig. 6 is structural schematic diagram of the invention in embodiment two；
Fig. 7 is structural schematic diagram of the invention in embodiment three；
Fig. 8 is the structural schematic diagram of self-locking ring of the invention in example IV；
Fig. 9 is structural schematic diagram of the invention in embodiment five；
Figure 10 is enlarged drawing at the C of Fig. 9.
Specific embodiment
The application is described in further detail with reference to the accompanying drawing, it is necessary to it is indicated herein to be, implement in detail below
Mode is served only for that the application is further detailed, and should not be understood as the limitation to the application protection scope, the field
Technical staff can make some nonessential modifications and adaptations to the application according to above-mentioned application content.
Embodiment one
As shown in Figs. 1-5, a kind of bellows with socket self-locking function, including bellows main body, the bellows master
The both ends of body are respectively equipped with bell and spigot joint 1 and connection-peg 2, and external member 3, external member 3 and 1 screw thread of bell and spigot joint are wherein additionally provided on connection-peg 2
Cooperation；
Bell and spigot joint 1 is equipped with self-locking mechanism, which includes self-locking ring 4, and self-locking ring 4 is located at the tube wall of bell and spigot joint 1
On annular chamber in, the tube wall of the bell and spigot joint 1 on the outside of the annular chamber swells outward constitutes a domed annular in circle cross section
Protrusion 5；
The cross section of self-locking ring 4 is oval, the inner ring of the main part, cross section semicircular in shape that are rectangle by cross section
It is constituted with the outer ring of cross section semicircular in shape；Self-locking ring 4 includes the upper self-locking ring 4-1 and lower self-locking ring 4-2 of setting symmetrical above and below；
The outside of connection-peg 2 is equipped with the circle self-locking grooves 6 U-shaped with the cross section of the cooperation of self-locking ring 4；
The left end of external member 3 is equipped with the inner conical surface 7 backwards to the setting of 2 side of connection-peg.
Above-mentioned, the inside of annular protrusion 5 is equipped with the external concave surface cooperated with self-locking ring 4.
Above-mentioned, self-locking ring 4 is an integral structure.
Above-mentioned, external member 3 is threadedly coupled with bell and spigot joint 1.
It is above-mentioned, sealing ring is equipped between bell and spigot joint 1 and connection-peg 2, sealing ring can be embedded in the O-shaped of 2 periphery of connection-peg
Sealing ring.
Above-mentioned, external member 3 extends internally close to one end of connection-peg 2 constitutes a circle stop collar, and connection-peg 2 is equipped with and limit
The shoulder of position ring cooperation.
This bellows main body application method interconnected: connection-peg 2 is inserted into bell and spigot joint 1 first, is then led to again
3 matching thread of rotary sleeve part is crossed gradually by 3 sets of external member on bell and spigot joint 1, with the inner conical surface 7 of 3 left end of mobile external member of external member 3
Gradually contacted with the annular protrusion 5 on bell and spigot joint 1, as external member 3 is further mobile, the inner conical surface 7 contacted with annular protrusion 5
Partial reduced diameter, so that external member 3 gradually reduces, annular protrusion 5 makes it be recessed inwardly, by upper and lower two parts self-locking ring 4
It to intermediate compression, is caught in self-locking ring 4 in the self-locking grooves 6 of connection-peg 2, limits self-locking ring 4 between connection-peg 2 and bell and spigot joint 1
Axial movement.
Embodiment two
Referring to attached drawing 6, the present invention is further optimized self-locking ring 4, in upper self-locking ring 4-1 and lower self-locking ring 4-2
End between be arranged spring 4-3, and the end of upper self-locking ring 4-1 and lower self-locking ring 4-2 be equipped with and spring 4-3 cooperate
Blind hole, the both ends spring 4-3 are respectively arranged in the blind hole of self-locking ring 4-1 and lower self-locking ring 4-2；When connection-peg 2 is extracted,
Spring 4-3 can jack up two parts self-locking ring 4, reset self-locking ring 4.
Above-mentioned, spring 4-3 can be connected upper self-locking ring 4-1 and lower self-locking ring 4-2.
Above-mentioned, blind hole is opened in the main part of self-locking ring 4-1 and lower self-locking ring 4-2, keeps 4 stress of self-locking ring more flat
Weighing apparatus.
Embodiment three
As shown in fig. 7, since self-locking ring 4 has the inner wall of part protrusion bell and spigot joint 1 before not connected, in order to avoid connection-peg
2 with self-locking ring 4 conflict cause connection-peg 2 can not grafting in place, connection-peg 2 outer end face outer be arranged rounded corner 21.Make
2 end face of connection-peg is excessively passed through when contacting self-locking ring 4 by the circular arc of chamfering.
Example IV
As shown in figure 8, being carried out to further avoid self-locking ring 4 from stopping the insertion of connection-peg 2 to 2 structure of connection-peg
The outer end of optimization, connection-peg 2 is equipped with male cone (strobilus masculinus) 31, and being contacted using the conical surface with self-locking ring 4 makes axial force be converted into radial force, leads to
Cross squeeze self-locking ring 4 make self-locking ring 4 jack up annular protrusion 5 come for connection-peg 2 provide by space.
Embodiment five
As shown in figs. 9-10, in order to make up the problem lower due to leakproofness caused by connecing fastly, the present invention designs external seal
Mechanism, external seal mechanism include the stuffing-box 41 constituted between bell and spigot joint 1 and connection-peg 2, are equipped with and are covered in grafting in stuffing-box 41
Gland 42 on first 2, the right end of bell and spigot joint 1 and gland 42 are equipped with mutually matched connecting flange 43, gland 42 and bell and spigot joint 1 it
Between connected by connecting flange 43, airtight and watertight padding 44 is filled in stuffing-box 41.
Above-mentioned, the material of airtight and watertight padding 44 is the prior art, and therefore not to repeat here.
Necessary, the limit ring mechanism in external member 3 needs to cancel at this time.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (7)
1. a kind of bellows with socket self-locking function, including bellows main body, it is characterised in that: the bellows main body
Both ends are respectively equipped with bell and spigot joint and connection-peg, and external member is wherein additionally provided on connection-peg, and external member is threadedly engaged with bell and spigot joint；
Bell and spigot joint is equipped with self-locking mechanism, which includes self-locking ring, and self-locking ring is located at the annular on the tube wall of bell and spigot joint
Intracavitary, the tube wall of the bell and spigot joint on the outside of the annular chamber swells outward constitutes the domed annular protrusion in a circle cross section；
The outside of connection-peg is equipped with the circle self-locking grooves U-shaped with the cross section of self-locking ring cooperation；The left end of external member is equipped with backwards
The inner conical surface of connection-peg side setting.
2. a kind of bellows with socket self-locking function according to claim 1, it is characterised in that: the self-locking ring
Cross section is oval, the inner ring and cross section semicircular in shape of the main part, cross section semicircular in shape that are rectangle by cross section
Outer ring constitute；Self-locking ring includes the upper self-locking ring and lower self-locking ring of setting symmetrical above and below.
3. a kind of bellows with socket self-locking function according to claim 1, it is characterised in that: the annular protrusion
Inside be equipped with the external concave surface cooperated with self-locking ring.
4. a kind of bellows with socket self-locking function according to claim 1 or 2, it is characterised in that: described self-locking
Spring is set between the upper self-locking ring of ring and the end of lower self-locking ring, and the end of upper self-locking ring and lower self-locking ring be equipped with
The blind hole of spring cooperation, both ends of the spring are respectively arranged in the blind hole of self-locking ring and lower self-locking ring；When connection-peg is extracted, spring
Two parts self-locking ring can be jacked up, self-locking ring is resetted.
5. a kind of bellows with socket self-locking function according to claim 1, it is characterised in that: the connection-peg
Rounded corner is arranged in the outer of outer end face.
6. a kind of bellows with socket self-locking function according to claim 1, it is characterised in that: the connection-peg
Outer end is equipped with male cone (strobilus masculinus), and being contacted using the conical surface with self-locking ring makes axial force be converted into radial force, is made by extruding self-locking ring self-locking
Ring jack up annular protrusion come for connection-peg provide by space.
7. a kind of bellows with socket self-locking function according to claim 1, it is characterised in that: the bellows master
Body is equipped with external seal mechanism, and external seal mechanism includes the stuffing-box constituted between bell and spigot joint and connection-peg, is equipped in stuffing-box
Cover the gland on connection-peg, the right end of bell and spigot joint and gland is equipped with mutually matched connecting flange, between gland and bell and spigot joint
It is connected by connecting flange, airtight and watertight padding is filled in stuffing-box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910178537.XA CN110107760B (en) | 2019-03-11 | 2019-03-11 | Corrugated pipe with sleeve self-locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910178537.XA CN110107760B (en) | 2019-03-11 | 2019-03-11 | Corrugated pipe with sleeve self-locking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110107760A true CN110107760A (en) | 2019-08-09 |
| CN110107760B CN110107760B (en) | 2021-04-06 |
Family
ID=67484247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910178537.XA Active CN110107760B (en) | 2019-03-11 | 2019-03-11 | Corrugated pipe with sleeve self-locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110107760B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043079A (en) * | 2021-11-02 | 2022-02-15 | 江阴标榜汽车部件股份有限公司 | Laser welding process for automobile corrugated pipe and joint |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3352576A (en) * | 1965-08-24 | 1967-11-14 | Olin Mathieson | Tube coupling having split ring locking means |
| US3389923A (en) * | 1967-11-08 | 1968-06-25 | Haveg Industries Inc | Joint connection |
| FR2079912A6 (en) * | 1970-02-17 | 1971-11-12 | Belles Ondes Forges | |
| DE2603566A1 (en) * | 1975-01-30 | 1976-08-05 | Tch Hycop Ab | COUPLING FOR PIPES OR HOSES |
| CN101220890A (en) * | 2008-01-14 | 2008-07-16 | 黄陈宝 | Improved connecting structure of bellows |
| CN102272506A (en) * | 2009-01-12 | 2011-12-07 | 克劳泽工业发展有限公司 | Pipe grip ring |
| CN103062543A (en) * | 2011-10-20 | 2013-04-24 | 霍尼韦尔国际公司 | O-ring shield system and method |
| CN104302959A (en) * | 2012-04-18 | 2015-01-21 | 奥维科雅控股有限公司 | Threadless pipe coupling |
-
2019
- 2019-03-11 CN CN201910178537.XA patent/CN110107760B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3352576A (en) * | 1965-08-24 | 1967-11-14 | Olin Mathieson | Tube coupling having split ring locking means |
| US3389923A (en) * | 1967-11-08 | 1968-06-25 | Haveg Industries Inc | Joint connection |
| FR2079912A6 (en) * | 1970-02-17 | 1971-11-12 | Belles Ondes Forges | |
| DE2603566A1 (en) * | 1975-01-30 | 1976-08-05 | Tch Hycop Ab | COUPLING FOR PIPES OR HOSES |
| CN101220890A (en) * | 2008-01-14 | 2008-07-16 | 黄陈宝 | Improved connecting structure of bellows |
| CN102272506A (en) * | 2009-01-12 | 2011-12-07 | 克劳泽工业发展有限公司 | Pipe grip ring |
| CN103062543A (en) * | 2011-10-20 | 2013-04-24 | 霍尼韦尔国际公司 | O-ring shield system and method |
| CN104302959A (en) * | 2012-04-18 | 2015-01-21 | 奥维科雅控股有限公司 | Threadless pipe coupling |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043079A (en) * | 2021-11-02 | 2022-02-15 | 江阴标榜汽车部件股份有限公司 | Laser welding process for automobile corrugated pipe and joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110107760B (en) | 2021-04-06 |
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