CN205534749U - Metal hose pipe fitting - Google Patents
Metal hose pipe fitting Download PDFInfo
- Publication number
- CN205534749U CN205534749U CN201620187164.4U CN201620187164U CN205534749U CN 205534749 U CN205534749 U CN 205534749U CN 201620187164 U CN201620187164 U CN 201620187164U CN 205534749 U CN205534749 U CN 205534749U
- Authority
- CN
- China
- Prior art keywords
- pipe
- cutting ferrule
- pipe fitting
- flexible pipe
- metal hose
- 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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- Revetment (AREA)
Abstract
The utility model relates to a pipeline connection technology. Concretely relates to metal hose pipe fitting includes that one has the intraductal pipe fitting who props of one end at least, and the intraductal fore -end that props is not more than the metal hose internal diameter, and back tip is equipped with the protruding muscle that is greater than the metal hose internal diameter, still is equipped with a flash pipe groove, still including smooth tight cutting ferrule, smooth tight cutting ferrule installation after -fixing is in protruding muscle upper end, intraductal prop the rear end be equipped with one outside the threaded portion, still include one with outer the threaded portion complex hexagonal nuts, the extension of hexagonal nuts inner wall ring withstands the tight cutting ferrule of cunning. The utility model discloses the installation need not professional instrument just can be realized to a flexible pipe fitting of creating, through size interference fit only tubular product be out of shape and realize sealing connection, flash pipe groove solves the problem of the smooth tight flash of metal hose, the pine does not take off, safe and reliable, and installation high efficiency are replenishment and the development of sliding compact form plumbing fitting mode to prior art.
Description
Technical field
The invention relates to pipeline connection area, is specifically related to flexible pipe pipe fitting.
Background technology
Building pipe technology quickly grows, new material and the application of technique, and tubing new product is constantly released.Resistant to elevated temperatures tubing on market, has the rigid pipe that hardness is higher, how to be displayed on market with straight tube, as PPR pipe, copper multiple tube, glass meet pipe etc., also there is flexible pipe, how to occur commercially with coil form, including PE-X, PE-RT, PB, aluminium-plastic pipe etc..Flexible pipe has preferable resistance to elevated temperatures, and flexible, and workability is good, it is adaptable to architecture indoor heating or supply line.
Flexible pipe connected pipe fitting structure is many, and main flow divides three kinds, pincers-pressed type structure, such as technology disclosed in " a kind of plastic-aluminum combined effective clipper type plastic pipe fitting " patent of CN 2510708Y；C-type Spring Clip, such as " aluminium-plastic tube joint " structure of CN 201715133 U；Sliding compact form is also had to connect, such as " sliding type aluminium plastic composite pipe fittings " of license ZL 200810163020.5.Sliding tight type pipe fitting belongs to emerging pipe interconnection technique, and its safe and reliable, simple for structure, applicable bright dress secretly buries and without sealing ring, and ageing resistace is good, connects market development at flexible pipe rapid.
Pincers-pressed type and the pipe fitting of c-type Spring Clip, pipe fitting internal stay part is inserted directly into tubing on earth, cutting ferrule or collar by parcel tubing are deformed, reach to be fastenedly connected, such attachment structure construction stress difference, deformation component material and hardness are different,, there is the defect lacking connection standard in crimp difference, this also causes construction stability poor；Pipe fitting uses O to make up adjustment deflection, and O itself exists problem of aging, and life-time service exists installation risk.
And slide tight type pipe fitting and connect, without O, realize sealing by the deformation of tubing, safe and reliable.But in its installation process, troublesome poeration and specialty, need with corresponding tube expander tubing to carry out reaming, and with special sliding clamping tool, pipe fitting slided tight effect.The construction tool price of specialty is high, and constructing operation personnel need professional training, which has limited the promotion and application of sliding tight type pipe fitting.
Summary of the invention
The defect that the invention is installed for tight type pipe fitting sliding on existing flexible pipe, it is provided that a kind of novel pipe fitting structure that only can be achieved with sliding tight installation with common spanner.This fitting structure is novel, and left-hand seat is simple, is not only suitable for the workmen of specialty, also is adapted for family DIY and connects.This infrastructure product has higher market popularization value.
The technical scheme that the invention is used is:
A kind of flexible pipe pipe fitting, including the main pipe body of at least one end pipe internal stay, pipe internal stay fore-end is not more than flexible pipe internal diameter, and rear end part is provided with at least three convex tendon, and convex tendon is more than flexible pipe internal diameter, is additionally provided with an overflow pipe groove, is positioned at pipe internal stay bottom；Also including supporting with pipe internal stay matched in clearance to be inserted in the sliding tight cutting ferrule of annular of flexible pipe external diameter, sliding tight cutting ferrule left end inner wall port is provided with chamfering, and sliding tight cutting ferrule is fixed on convex tendon upper end after installing；It is provided with a male thread portion in pipe internal stay rear end；Also including a hexagonal nuts coordinated with male thread portion, the extended loop of hexagonal nuts inwall withstands sliding tight cutting ferrule.
The technical scheme of the invention it may also is that
Above-mentioned cunning tight cutting ferrule inner diameter wall is provided with pawl groove.
The invention by flexible pipe is inserted directly into pipe internal stay, and by the threaded engagement of hexagonal nuts with pipe internal stay rear end, will advance ring-shaped clamping sleeve, it is achieved slides and fastens.The tight cutting ferrule of cunning of this pipe fitting, without cashing, makes only pipe deformations realize being tightly connected by tolerance fit, removes collar from and cash the risk of difference；Most importantly, only can install with common spanner instrument, and remove the operations such as expander, install efficiently, simple to operate, safe and reliable.This fitting structure is important the supplementing and development of sliding tight type pipe fitting.
Accompanying drawing explanation
Sliding tight pipe fitting complete section schematic diagram is advanced at the screw thread that Fig. 1 is the invention；
Fig. 2 is that the screw thread of the invention advances sliding tight pipe fitting part exploded perspective schematic diagram.
Detailed description of the invention
With embodiment, the invention is further described below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of screw thread of the invention advances sliding tight pipe fitting, being a tee pipe fitting, including main pipe body 1, in main pipe body 1, three ends are provided with pipe internal stay 10；This pipe internal stay 10 fore-end 11 is not more than flexible pipe 4 internal diameter, and rear end part 12 is provided with three convex tendons 13, and convex tendon 13 is more than flexible pipe 4 internal diameter, for strengthening drawing and sealing property, convex tendon 13 can design four or more, is additionally provided with an overflow pipe groove 15, is positioned at pipe internal stay 10 bottom；This pipe fitting also includes supporting with pipe internal stay 10 matched in clearance to be inserted in the tight cutting ferrule of cunning 3 of annular of flexible pipe 4 external diameter, and sliding tight cutting ferrule 3 left end inner wall port is provided with chamfering 30, and sliding tight cutting ferrule 3 is fixed on convex tendon 13 upper end after installing；It is provided with a male thread portion 14 in pipe internal stay 10 rear end；Also including a hexagonal nuts 2 coordinated with male thread portion 14, the extended loop 20 of hexagonal nuts 2 inwall withstands sliding tight cutting ferrule 3, and certainly, according to specification size or wrench shape, hexagonal nuts 2 can replace with octagonal cap or Abnormal cap, and the internal structure such as screw thread and extended loop 20 is constant.
Tubular type does not limits, and can be threeway, it is also possible to be elbow, directly or screw thread directly etc., at least provided with above-mentioned pipe internal stay 10 structure.
Flexible pipe 4 is in sliding tight installation process, because convex tendon 13 is more than flexible pipe 4 internal diameter, interference fit can be further driven to flexible pipe 4 and advance, if bringing into too many, flexible pipe 4 flash at sliding tight cutting ferrule 3 with pipe internal stay 10 butt can be caused, existing and reveal hidden danger, the invention solves flexible pipe 4 flash problem by the overflow pipe groove 15 arranging relatively flexible pipe 4 wall thickness bottom pipe internal stay 10 thick.This problem does not haves in the pipe fitting of pincers-pressed type and c-type Spring Clip, because flexible pipe 4 is without sliding tight process；And c-type collar pipe fitting there is also groove, it is mainly used in collar and holds the tubing of longer distance tightly, solve purpose different.
The invention uses the extended loop 20 of hexagonal nuts 2 to hold sliding tight cutting ferrule 3, flexible pipe 4 junction is avoided to get loose during use, this does not has in the sliding tight type pipe fitting of prior art, and certainly anti-loose for strengthening, sliding tight cutting ferrule 3 inner diameter wall is provided with pawl groove 31 and can further function as effect.
As in figure 2 it is shown, be a bend pipe tools, including main pipe body 1, in main pipe body 1, two ends are provided with pipe internal stay 10；This pipe internal stay 10 fore-end 11 is not more than flexible pipe 4 internal diameter, and rear end part 12 is provided with three convex tendons 13, and convex tendon 13 is more than flexible pipe 4 internal diameter, is additionally provided with an overflow pipe groove 15, is positioned at the bottom of pipe internal stay 10；This pipe fitting also includes a sliding tight cutting ferrule 3, and sliding tight cutting ferrule 3 is fixed on convex tendon 13 upper end after installing；It is provided with a male thread portion 14 in pipe internal stay 10 rear end；Also including a hexagonal nuts 2 coordinated with male thread portion 14, the extended loop 20 of hexagonal nuts 2 inwall withstands sliding tight cutting ferrule 3.Fore-end 11 inserts compared with flexible pipe 4 little more than the 0.5mm of endoporus, the guiding flexible pipe 4 that can be more prone to, and fore-end 11 can be set to the cylinder that front end is tapered, and overall dimensions is all not more than flexible pipe 4 internal diameter.Sliding tight cutting ferrule 3 is after installing, and two ends contact with bottom hexagonal nuts 2 and pipe internal stay 10 respectively.
A kind of flexible pipe of the invention, can be achieved with installing without professional tool, realize being tightly connected by size interference fit only pipe deformations, the problem that overflow pipe groove solves the sliding tight flash of flexible pipe, pipe fitting connection does not gets loose, safe and reliable, and install efficiently, it is that existing sliding tight type pipe fitting mounting technique is supplemented and developed.
Claims (2)
1. a flexible pipe pipe fitting, main pipe body (1) including at least one end pipe internal stay (10), it is characterized in that pipe internal stay (10) fore-end (11) is not more than flexible pipe (4) internal diameter, rear end part (12) is provided with at least three convex tendon (13), and convex tendon (13) is more than flexible pipe (4) internal diameter, it is additionally provided with an overflow pipe groove (15), is positioned at pipe internal stay (10) bottom；Also include supporting with pipe internal stay (10) matched in clearance to be inserted in the tight cutting ferrule of the cunning (3) of annular of flexible pipe (4) external diameter, sliding tight cutting ferrule (3) left end inner wall port is provided with chamfering (30), and sliding tight cutting ferrule (3) is fixed on convex tendon (13) upper end after installing；It is provided with a male thread portion (14) in pipe internal stay (10) rear end；Also including a hexagonal nuts (2) coordinated with male thread portion (14), the extended loop (20) of hexagonal nuts (2) inwall withstands sliding tight cutting ferrule (3).
2. a kind of flexible pipe pipe fitting as claimed in claim 1, it is characterised in that: described cunning tight cutting ferrule (3) inner diameter wall is provided with pawl groove (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620187164.4U CN205534749U (en) | 2016-03-11 | 2016-03-11 | Metal hose pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620187164.4U CN205534749U (en) | 2016-03-11 | 2016-03-11 | Metal hose pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205534749U true CN205534749U (en) | 2016-08-31 |
Family
ID=56782182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620187164.4U Expired - Fee Related CN205534749U (en) | 2016-03-11 | 2016-03-11 | Metal hose pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205534749U (en) |
-
2016
- 2016-03-11 CN CN201620187164.4U patent/CN205534749U/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: 20160831 Termination date: 20190311 |