CN105074307B - Pipe joint having watertight structure - Google Patents
Pipe joint having watertight structure Download PDFInfo
- Publication number
- CN105074307B CN105074307B CN201380004631.4A CN201380004631A CN105074307B CN 105074307 B CN105074307 B CN 105074307B CN 201380004631 A CN201380004631 A CN 201380004631A CN 105074307 B CN105074307 B CN 105074307B
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- CN
- China
- Prior art keywords
- pipe
- diameter insertion
- gripping member
- pipe joint
- ring
- 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.)
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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
- 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
- F16L19/06—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 in which radial clamping is obtained by wedging action on non-deformed pipe ends
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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
- 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
- F16L19/08—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 with metal rings which bite into the wall of the pipe
- F16L19/083—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 with metal rings which bite into the wall of the pipe the longitudinal cross-section of the ring not being modified during clamping
- F16L19/086—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 with metal rings which bite into the wall of the pipe the longitudinal cross-section of the ring not being modified during clamping with additional sealing means
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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
- 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
- F16L19/06—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 in which radial clamping is obtained by wedging action on non-deformed pipe ends
- F16L19/065—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 in which radial clamping is obtained by wedging action on non-deformed pipe ends the wedging action being effected by means of a ring
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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
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
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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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/091—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a ring provided with teeth or fingers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints With Sleeves (AREA)
Abstract
The present invention relates to a pipe joint having a watertight structure. The pipe joint includes: a coupling cap in which a hollow is formed so as to allow a pipe to pass therethrough; a grip means disposed so as to contact the inner surface of the coupling cap and passing the pipe; a hollow body, one end of which is coupled to the inner surface of the coupling cap in a state facing one end of the grip means; and an end coupling means coupled to the inner surface of the body so as to allow one end of the pipe to be inserted. The end coupling means includes an internal diameter insertion part coupled to the inner circumferential surface of the pipe using an internal o-ring that is disposed therebetween, an external diameter insertion part coupled to the outer circumferential surface of the pipe using an external o-ring that is disposed therebetween, and a connection part connecting an end of the internal diameter insertion part and an end of the external diameter insertion part to each other. The internal diameter insertion part has a length longer than that of the external diameter insertion part. An internal o-ring groove part, in which the internal o-ring is disposed, is formed in the internal diameter insertion part, and an external o-ring groove part, in which the external o-ring is disposed, is formed in the external diameter insertion part. Therefore, the pipe joint may completely seal the internal and external portions of the pipe so as to block perfusate from being introduced to the end of the pipe, thereby preventing the cut end of the pipe from being corroded and firmly fixing the pipe.
Description
Invention field
The present invention relates to a kind of pipe joint with waterproof construction, and more specifically, it is related to one kind and firmly seals
The pipe joint of the flowing of the fluid of end section of inside and outside inflow pipe of another pipe being connected from it, thus prevent
The corroding and firmly fix described pipe of the nick end of described pipe.
Background technology
In general, as shown in figure 1, pipe joint has a structure in which：Pipe 1 passes through to be connected lid 110 with body 150 and grabs
Hold device 120 and form contact, and the O-ring 140 being inserted between the external diameter of pipe 1 and body 150 prevents fluid from leaking.
Meanwhile, pipe 1 is divided into plastic conduit, metal tube and has the combination that synthetic resin covers metal tubular formula
Pipe.In the case of using metal tube or compound tube, be exposed to the metal part of end section 1a of Pipe Cutting (cut pipe) 1 with
The fluid contact of flowing in pipe 1, and therefore cause pipe to be corroded or metal ion is eluted to the serious problems in fluid.
And, conventional leakage protection structure adopts an O-ring, but it has a problem that, that is, because elasticity reduces
And form gap, and leakage can be caused when for a long time using described O-ring.
Additionally, conventional grip device 120 is formed with toroidal with predetermined thickness, but there is some problem in it：Cause
Internal diameter for grip device 120 is not consistent, so grip is not strengthened, although connect lid 110 effectively connecting
It is connected to body 150；Also have when user's excessive compression and be rotatably connected lid 110 when, grip device 120 deforms.
Content of the invention
Therefore, carried out the present invention to solve the problems referred to above existing in the prior art, and a mesh of the present invention
Be that a kind of pipe joint with waterproof construction is provided, described pipe joint firmly seals in another pipe that it is connected
Portion and the flowing of the outside fluid of end section flowing into pipe, thus prevent the corrosion and securely of the nick end of described pipe
Fixing described pipe.
In order to realize object above, according to the present invention, provide a kind of pipe joint with waterproof construction, it includes：Connect
Lid, its have be in therein with allow pipe through hollow space；Grip device, described pipe passes through and it is mounted
Come and the described inner faces contact connecting lid；Hollow body, in the described body shape relative with the end section of described grip device
Under state, its one end connects to the described inner face connecting lid；And end attachment means, its connect to described body inner face and
It is adapted to an end section of described pipe, wherein said end attachment means include：Internal diameter insertion portion, it passes through to be inserted in
The interior O-ring that contacts between the inner circumferential surface of described pipe and described internal diameter insertion portion connects to the inner circle weekly form of described pipe
Face；External diameter insertion portion, it is by being inserted in outer contacting O between the external peripheral surface of described pipe and described external diameter insertion portion
Shape ring connects to the external peripheral surface of described pipe；And coupling part, it is used for making the end section of described internal diameter insertion portion
It is connected to each other with the end section of described external diameter insertion portion, and described internal diameter insertion portion is longer than described external diameter insertion section
Point, and wherein said internal diameter insertion portion has described interior contact O-ring interior contact O-ring groove mounted thereto, and
And described external diameter insertion portion has described outer contacting O-ring outer contacting O-ring groove mounted thereto.
Described grip device includes the gap being formed by cutting in a circumferential direction in side.
Described grip device includes multiple slits being spaced formation in a circumferential direction.
Described grip device includes：Interior contact noggin piece, it includes being formed at its end section in a circumferential direction
Contact groove in the gripping member of part-conical shape；Board-like gripping member, its side contacts groove with described gripping member
Contact；And outer contacting noggin piece, its in the state of described board-like gripping member inserts betwixt with described grasping structure
Relatively, described outer contacting noggin piece has and is formed at its end section so that described board-like gripping member contact groove in part
The gripping member outer contacting groove that contacts with described gripping member outer contacting groove of opposite side.
The zigzag that described board-like gripping member includes protruding inwardly from from its inner periphery grasps blade.
Described grip device includes：Noggin piece with the described inner faces contact connecting lid；And with described noggin piece one
Body is formed and inwardly projecting board-like gripping member.
The zigzag that described board-like gripping member includes protruding inwardly from from its inner periphery grasps blade.
Described board-like gripping member is become by insertion injection moulding or by intermetallic composite coating or metal with described noggin piece
Shape is integrally formed.
The plurality of board-like gripping member is formed on the longitudinal direction of described pipe.
Can firmly be sealed according to the pipe joint with waterproof construction of the preferred embodiments of the invention and be connected from it
The flowing of the fluid of end section of inside and outside inflow pipe of another pipe pipe joint, thus preventing cutting of described pipe
The corroding and firmly fix described pipe of mouthful end.
And, the grip device of the described pipe joint with waterproof construction according to the preferred embodiments of the invention has
By cutting and the gap opened and formed and/or the slit being spaced formation in a circumferential direction in side, so that described
When connection lid is threadeded with described body, described grip device is extruded in radial directions and deforms and extrude described
Pipe, thus more increase the grip of described pipe.
Additionally, described grip device has the grasping being formed on its inner circumferential surface projecting and board-like gripping member, with
Described pipe joint is allow to increase the grip of described pipe and prevent from described tube capacity from changing places separating with described body, because making
It is easy that described pipe is inserted in described body, but it is difficult for so that described pipe is separated with described body.
In addition, described board-like gripping member has the excircle partly grasping described pipe and entirely outer with described pipe
The grasping blade of circular contact, so that the crackle of described pipe and cut can be minimized by described pipe joint.
In addition, because described supporting member is inserted between described grip device and described O-ring, described pipe joint is permissible
Prevent described O-ring from moving on the longitudinal direction of described pipe, and because described O-ring is compressed into described body, described
Pipe joint enhances sealing property.
Brief description
The above and other purpose of the present invention, feature and advantage, by by below in conjunction with described in the present invention of accompanying drawing
The detailed description of preferred embodiment and become apparent, wherein：
Fig. 1 is the substantially section view of conventional pipe joint.
Fig. 2 is that the longitudinal cross-section of the pipe joint with waterproof construction of first preferred embodiment according to the present invention regards
Figure.
Fig. 3 is the exploded perspective of the pipe joint with waterproof construction of first preferred embodiment according to the present invention
Figure.
Fig. 4 is the exploded cross-sectional of the pipe joint with waterproof construction of first preferred embodiment according to the present invention
Perspective view.
Fig. 5 be illustrate first preferred embodiment according to the present invention the pipe joint with waterproof construction another
The perspective view of embodiment.
Fig. 6 is that the longitudinal cross-section of the pipe joint with waterproof construction of second preferred embodiment according to the present invention regards
Figure.
Fig. 7 is the exploded perspective of the pipe joint with waterproof construction of second preferred embodiment according to the present invention
Figure.
Fig. 8 is the exploded cross-sectional of the pipe joint with waterproof construction of second preferred embodiment according to the present invention
Perspective view.
Fig. 9 is the grasping dress of the pipe joint with waterproof construction illustrating second preferred embodiment according to the present invention
The perspective view put.
Figure 10 is the grasping of the pipe joint with waterproof construction illustrating the 3rd preferred embodiment according to the present invention
The perspective view of device.
Figure 11 is the grasping of the pipe joint with waterproof construction illustrating the 3rd preferred embodiment according to the present invention
The perspective view of another embodiment of device.
Specific embodiment
Referring to figs. 2 to Figure 11, the preferred embodiments of the invention will be described in detail below.
(embodiment 1)
Fig. 2 to Fig. 5 illustrates the pipe joint with waterproof construction of first preferred embodiment according to the present invention.
As shown in drawings, the pipe joint with waterproof construction of first preferred embodiment according to the present invention includes：
Connect lid 10, its have be in therein to allow the hollow space that passes through of pipe 1；Grip device 20, pipe 1 passes through and it
The inner faces contact being installed to and being connected lid 10；Hollow body 50 is relative with the end section of grip device 20 in body 50
Under state, its one end connects to the inner face connecting lid 10；And end attachment means 30, its connect to body 50 inner face and
It is adapted to an end section of pipe 1.
Body 50 has and is formed at the male thread portion 51 that the external peripheral surface of body 50 part is partly gone up, and connects lid
10 have the female thread portion 11 being formed on its inner face so that body 50 and connection lid 10 pass through male thread portion 51 He
Female thread portion 11 threaded and link together.
The external peripheral surface of grip device 20 formed with part-conical shape and connect lid 10 inner circumferential surface also with
Part-conical shape is formed so that when grip device 20 be connected lid 10 connect when, the inner circumferential surface of grip device 20 with
The external peripheral surface of pipe 1 is in close contact.
Preferred embodiment according to the present invention, in order to prevent when the nick end part contact of fluid and pipe 1
The corrosion causing, is provided for the end attachment means 30 of robust seal performance to the described end section of pipe 1.
End attachment means 30 are made up of metal material, and include：Extend to predetermined length with the inner circle weekly form with pipe 1
The internal diameter insertion portion 31 of the cylindrical shape that face connects；Extend to the cylinder that predetermined length is connected with the external peripheral surface with pipe 1
The external diameter insertion portion 32 of shape；And for making the end section of internal diameter insertion portion 31 and the end of external diameter insertion portion 32
The coupling part 33 that part is connected to each other.
In this case, internal diameter insertion portion 31 has one or more interior contacts being formed on its external peripheral surface
O-ring groove 311, and interior contact O-ring 312 is inserted and engaged into interior contact in O-ring groove 311.External diameter insertion portion
32 have one or more outer contacting O-ring grooves 321 being formed on its external peripheral surface, and outer contacting O-ring 322 is inserted
Enter and be joined in outer contacting O-ring groove 321.
The space that interior contact O-ring 312 is sealed between the inner circumferential surface of pipe 1 and internal diameter insertion portion 31 is next to prevent
From the leakage of the fluid of pipe 1, and outer contacting O-ring 322 be sealed in space between body 50 and external diameter insertion portion 32 in case
Only described fluid is incorporated in O-ring 40 along the inner circumferential surface of body 50.
Internal diameter insertion portion 31 is longer than external diameter insertion portion 32 to increase the sealing property within the pipe 1 not having O-ring 40.
Be discharged if as fluid and pipe 1 may body 50 and connect move inside lid 10 and shake and in body
50 have gap with the inside connecting lid 10, then need the structure that anti-thing here occurs.
That is, in order to prevent, pipe 1 is mobile, mitigate pipe 1 shakes and reinforced pipe 1 sealing property, is connecting lid 10
Additionally mounted grip device 20 between inner face and pipe 1 outside.
Grip device 20 is contacted with by the pipe 1 at center, to prevent the separation of pipe 1.
The end section of the end section of external diameter insertion portion 32 and grip device 20 toward each other, and is used for seal pipe
The O-ring 40 in the space between 1 outside and body 50 is arranged on end section and the grip device 20 of external diameter insertion portion 32
Between end section.
And, in addition arrange supporting member 45 to prevent O-ring 40 in pipe 1 between grip device 20 and O-ring 40
Move on longitudinal direction, and by easily compressing to increase the sealing property of O-ring 40 to body 50 by O-ring 40.
The described pipe joint with waterproof construction can be made into such structure：In the case of there is no supporting member 45
Grip device 20 and O-ring 40 directly contact.
As shown in figure 3, grip device 20 has the gap 25 being formed by cutting in a circumferential direction in side.
Meanwhile, as shown in figure 5, grip device 20 can include multiple slit 25a being spaced formation in a circumferential direction.
Additionally, grip device 20 further includes multiple to be formed on its inner circumferential surface and extend in a circumferential direction
Grasping project 201, and grasp prominent 201 be formed obliquely on some or all inner surfaces of grip device 20 with
The side that the detaching direction of pipe 1 is contrary projects upwards, in order to easy insertion tube 1 and be difficult to separating pipe 1.
In order to increase connect lid 10 and body 50 threaded each other when attachment force, grip device 20 is cut in side
Or there is slit 25a.When grip device 20 is extruded in radial directions and deforms, gap 25 narrows to increase grasping
Power.
Grip device 20 is made up of homogenous material such as synthetic resin material or metal material.
The Joining Technology of the pipe joint of first preferred embodiment according to the present invention is as follows.
First, as shown in Figures 2 to 4, internal diameter insertion portion 31 is longer than external diameter insertion portion 32.Internal diameter insertion portion 31 has
There are two interior contact O-ring grooves 311 being formed at its external peripheral surface, and external diameter insertion portion 32 has two and is formed at
The outer contacting O-ring groove 321 of its external peripheral surface, and contact O-ring 312 and 322 points of two outer contacting O-ring in two
Do not fit on interior contact O-ring groove 311 and outer contacting O-ring groove 321, to form end attachment means 30.
End attachment means 30 are inserted into body 50 in the way of body 50 projects upwards by internal diameter insertion portion 31.
Hereafter, O-ring 40 is inserted in body 50 in the way of being contacted with end attachment means 30.
Then, grip device 20 is joined to body 50 top, and afterwards, connects the outer spiral shell that lid 10 is with respect to described body
Line part 51 rotates to partial cross section, to keep a state temporarily fixed.
Certainly, when grip device 20 connects to body 50, cylindrical with the grip device 20 of part-conical shape formation
Perimeter surface is corresponding with the inner circumferential surface of the connection lid 10 being formed with cone shape.
Then, the end section of another pipe 1 to be connected is inserted through the hollow space connecting lid 10.
Here, it is inserted into the internal diameter insertion portion 31 of end attachment means 30 through the pipe 1 connecting lid 10 and external diameter is inserted
Enter and contacted with carrying out surface with internal diameter insertion portion 31 and external diameter insertion portion 32 between part 32, and then, the otch of pipe 1
End section is continued into until being contacted with coupling part 33 formation to be connected.
Hereafter, when the connection between connection lid 10 and pipe 1 completes, rotation on fixed-direction is in temporary fixing state
Connection lid 10.That is, being rotatably connected in lid 10 with respect to the male thread portion 51 of body 50 in the clockwise direction
Threaded portion 11, thus complete described pipe connecting structure.
When as described above, together with connecting lid 10 and being threadedly coupled to body 50, because grip device 20 is in radial direction side
It is extruded upwards and deform, and extruded tube 1, which greatly increases the grip of pipe.
As described above, the pipe joint according to the preferred embodiments of the invention is due to the interior contact of end attachment means 30
O-ring 312 and outer contacting O-ring 322, O-ring 40 and grip device 20 and provide firm waterproof construction, to prevent
Leak in the fluid of Bottomhole pressure and prevent the fluid in the outer flowing of pipe from flowing into.
Additionally, after described pipe joint installs completely, when applying power on the detached direction of pipe 1, being formed at and grab
Hold the grasping on the circumferencial direction on the inner circumferential surface of device 20 and project 201 generation resistance forces.
Meanwhile, the outer contacting O-ring 322 of end attachment means 30 is contacted with body 50 to stop pipe 1 in the side of separation
Move up, thus increasing grip.
(embodiment 2)
Fig. 6 to Fig. 9 illustrates the pipe joint with waterproof construction of second preferred embodiment according to the present invention.
As shown in Figures 6 to 9, the structure that the pipe joint of second preferred embodiment according to the present invention is adopted be for
Strengthen grip and change the structure of the grip device 20 according to first preferred embodiment.
Board-like gripping member 22, interior contact noggin piece are included according to the grip device 20 of second preferred embodiment
23 and outer contacting noggin piece 21.
The interior contact noggin piece 23 of part-conical shape includes the grasping structure being formed on its end section circumferencial direction
Contact groove 231 in part.
And, the board-like gripping member 22 with the side being formed with part-conical shape is arranged in such a way
On contact groove 231 in gripping member, that is, the side of board-like gripping member 22 is interior with gripping member contacts groove 231 and contacts.
In addition, being formed at the grasping of outer contacting noggin piece 21 end section together with the opposite side of board-like gripping member 22
Component outer contacting groove 211 is interior with gripping member to contact groove 231 relatively.
Moreover it is preferred that gripping member 22, interior contact noggin piece 23 and outer contacting noggin piece 21 are in circumference side
It is respectively cut in side upwards and opened.Because when grip device 20 is extruded and deforms, gap 25 narrows, so grabbing
Grip can be maintained.
If grip device 20 is not cut in side and opens, when body 50 is with being connected lid 10 connection, due to
Grip device 20 is wrinkling because of the compression of grip device 20 or distorts, so grip rapid decrease.
Meanwhile, including the grasping dress of board-like gripping member 22, interior contact noggin piece 23 and outer contacting noggin piece 21
Put 20 further include multiple grasp prominent 201, the plurality of grasp prominent 201 be formed at interior contact noggin piece 23 and/or
On the inner circumferential surface of outer contacting noggin piece 21, and extend in a circumferential direction to increase the grip of pipe 1.
Specifically, grip device 20 grasp prominent 201 be inclined upwardly in the side contrary with the detaching direction of pipe 1 prominent
Go out so that being easily inserted pipe 1 and being difficult to separating pipe 1.
Therefore, in addition to gripping member 22, the external peripheral surface grasping prominent 201 grasping pipes 1 is more to increase
Grip.
And, gripping member 22 further includes to protrude inwardly from the grip more to increase pipe 1 from its inner periphery
Zigzag grasps blade 22B (referring to Fig. 9 a).
In addition, when grasping the excircle that blade 22B partly grasps pipe 1, the whole excircle of gripping member 22 and pipe 1
Contact is to minimize the crackle of pipe 1 and cut.
Multiple gripping members 22 can form (referring to Fig. 9 b) on the longitudinal direction of pipe 1.
Additionally, as shown in Fig. 8 and 9 (b), one or more board-like gripping members 22 can contact noggin piece 23 1 with interior
Body is formed, and remainder can have by with contact the structure that groove 231 connects in gripping member.
Here, board-like gripping member 22 with interior contact noggin piece 23 pass through to insert injection moulding or by intermetallic composite coating or
Metal forming is integrally formed.
(embodiment 3)
Figure 10 and Figure 11 shows the pipe joint with waterproof construction of the 3rd preferred embodiment according to the present invention
Grip device 20 another embodiment.
Here, grip device 20 has interior contact noggin piece 23 integrally formed with one another and outer contacting noggin piece 21,
And including the noggin piece 20A with the interior side contacts being connected lid 10 and prominent on noggin piece 20A inner periphery board-like grab
Hold component 22A.
Board-like gripping member 22A is made up of metal material, and noggin piece 20A is made up of synthetic resin material, and plate
Formula gripping member 22A and noggin piece 20A is not integrally manufactured by inserting injection moulding using any assembling process.
Or, noggin piece 20A and grip device 20 are that (ripple adds by intermetallic composite coating (Metal Cutting) or metal forming
Work or die casting) be made into integration by metal material.
In addition, gripping member 22A further includes to protrude inwardly from the grip more to increase pipe 1 from its inner periphery
Zigzag grasps blade 22B.
And, when grasping the excircle that blade 22B partly grasps pipe 1, gripping member 22A is entirely cylindrical with pipe 1
Week contacts, and the crackle of pipe 1 and cut are minimized.
Additionally, multiple gripping member 22A with grasping blade 22B can be formed on the longitudinal direction of pipe 1.
Certainly, as shown in figure 11, gripping member 22 and noggin piece 20A can be respectively provided with by side in circumferencial direction
Upper cutting and formed gap 25 and the multiple slit 25a being spaced formation in a circumferential direction.
Other structures and operation and first preferred embodiment of the present invention and the structure of second preferred embodiment
It is same or analogous with operation, detailed description thereof will be omitted.
Meanwhile, to the 3rd preferred embodiment, described pipe connects first preferred embodiment according to the present invention
The grip device 20 of head has the gap 25 cut in a circumferential direction and formed in side, or has gap 25 and slit 25a,
But grip device 20 can only have slit 25a without gap 25.
Even if that is, grip device 20 only has slit 25a, when threaded described connection lid 10, grasp dress
Put 20 also can shrink, so gap 25 can be omitted sufficiently flexiblely.
Although the exemplary with reference to the present invention specifically illustrates and describes the present invention, this area common
It should be understood to the one skilled in the art that the present invention can be made in the case of the technical concept without departing from the present invention and scope various changes and
Modification, and this kind of change and modification belong to the claim of the present invention.
Claims (9)
1. a kind of pipe joint with waterproof construction, it includes：
Connect lid, its have be in therein with allow pipe through hollow space；
Grip device, described pipe passes through and it is installed to and the described inner faces contact connecting lid；
Hollow body, in the state of described body is relative with the end section of described grip device, its one end connects to described company
Connect the described inner face of lid；And
End attachment means, it is connected the described inner face to described body and is adapted to an end section of described pipe,
Wherein said end attachment means include：Internal diameter insertion portion, its inner circumferential surface and institute by being inserted in described pipe
The interior contact O-ring stated between internal diameter insertion portion connects to the described inner circumferential surface of described pipe；External diameter insertion portion, it leads to
Cross the outer contacting O-ring being inserted between the external peripheral surface of described pipe and described external diameter insertion portion to be connected to the institute of described pipe
State external peripheral surface；And coupling part, it is used for making the end section of described internal diameter insertion portion and described external diameter insertion section
The end section dividing is connected to each other, and described internal diameter insertion portion is longer than described external diameter insertion portion, and
Wherein said internal diameter insertion portion has described interior contact O-ring interior contact O-ring groove mounted thereto, and institute
State external diameter insertion portion and there is described outer contacting O-ring outer contacting O-ring groove mounted thereto.
2. pipe joint according to claim 1, wherein said grip device include by side on outer circumferencial direction
The gap cut and formed.
3. pipe joint according to claim 1 and 2, wherein said grip device includes being spaced shape on described circumferencial direction
The multiple slits becoming.
4. pipe joint according to claim 2, wherein said grip device includes：
Interior contact noggin piece, it includes being formed at grabbing of the part-conical shape on described circumferencial direction of its end section
Hold contact groove in component；
Board-like gripping member, contacts groove in its side and described gripping member and contacts；And
Outer contacting noggin piece, it contacts with described gripping member in the state of described board-like gripping member inserts betwixt
Relatively, described outer contacting noggin piece has and is formed at its end section so that the opposite side of described board-like gripping member groove
The gripping member outer contacting groove contacting with described gripping member outer contacting groove.
5. pipe joint according to claim 4, wherein said board-like gripping member includes inwardly projecting from its inner periphery
Zigzag grasps blade.
6. pipe joint according to claim 2, wherein said grip device includes：
Noggin piece, it is contacted with the described described inner face connecting lid；And
Board-like gripping member, it is integrally formed with described noggin piece and protrudes inwardly from.
7. pipe joint according to claim 6, wherein said board-like gripping member includes inwardly dashing forward from its described inner periphery
The zigzag going out grasps blade.
8. the pipe joint according to claim 6 or 7, wherein said board-like gripping member and described noggin piece pass through insertion
Injection moulding or be integrally formed by Metal Cutting or corrugating processing or die casting.
9. the pipe joint according in claim 4 to 7, wherein said multiple board-like gripping members are vertical in described pipe
It is upwardly formed to side.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20120142792 | 2012-12-10 | ||
| KR10-2012-0142792 | 2012-12-10 | ||
| KR10-2013-0053934 | 2013-05-13 | ||
| KR1020130053934A KR101338185B1 (en) | 2012-12-10 | 2013-05-13 | Pipe connector with the watertight compartment |
| PCT/KR2013/011107 WO2014092371A1 (en) | 2012-12-10 | 2013-12-03 | Pipe joint having watertight structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105074307A CN105074307A (en) | 2015-11-18 |
| CN105074307B true CN105074307B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380004631.4A Active CN105074307B (en) | 2012-12-10 | 2013-12-03 | Pipe joint having watertight structure |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101338185B1 (en) |
| CN (1) | CN105074307B (en) |
| WO (1) | WO2014092371A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101870214B1 (en) | 2016-08-08 | 2018-06-22 | (주)준성이엔씨 | Pipe connecting assembly |
| KR102181354B1 (en) * | 2019-12-13 | 2020-11-20 | 주식회사 정상산업 | Prefabricated pipe device |
| CN114731929B (en) * | 2022-04-12 | 2023-11-24 | 银川润泽源节水科技有限公司 | Drip irrigation pipe convenient to connect |
| KR20240020075A (en) | 2022-08-05 | 2024-02-14 | 주식회사 새롬테크 | Connecting structure of pipe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2292958Y (en) * | 1997-04-23 | 1998-09-30 | 王新平 | Quick mounting-and-dismounting mouthpiece joint |
| CN1259195A (en) * | 1997-04-15 | 2000-07-05 | 斯瓦戈洛克公司 | Ferrule with relief to reduce galling |
| CN1390285A (en) * | 1999-09-13 | 2003-01-08 | 斯瓦戈洛克公司 | Tube fitting with indicating means |
| CN102330723A (en) * | 2010-07-13 | 2012-01-25 | 新秩序投资119股份有限公司 | Pipe fitting |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001082655A (en) * | 1999-09-17 | 2001-03-30 | Taiheiyo Tokushu Chuzo Kk | Electrically insulated pipe joint |
| KR200390468Y1 (en) * | 2005-04-23 | 2005-07-21 | 사회복지법인 안동 시온재단 | The widen-holder for pipes connection |
| WO2006126774A1 (en) * | 2005-04-23 | 2006-11-30 | Andong Zion Foudation Of Social Welfare Facilities | Holder for pipe fittings |
| KR200409053Y1 (en) * | 2005-08-30 | 2006-02-20 | 유현상 | A pipe holding device |
-
2013
- 2013-05-13 KR KR1020130053934A patent/KR101338185B1/en active IP Right Grant
- 2013-12-03 CN CN201380004631.4A patent/CN105074307B/en active Active
- 2013-12-03 WO PCT/KR2013/011107 patent/WO2014092371A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1259195A (en) * | 1997-04-15 | 2000-07-05 | 斯瓦戈洛克公司 | Ferrule with relief to reduce galling |
| CN2292958Y (en) * | 1997-04-23 | 1998-09-30 | 王新平 | Quick mounting-and-dismounting mouthpiece joint |
| CN1390285A (en) * | 1999-09-13 | 2003-01-08 | 斯瓦戈洛克公司 | Tube fitting with indicating means |
| CN102330723A (en) * | 2010-07-13 | 2012-01-25 | 新秩序投资119股份有限公司 | Pipe fitting |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014092371A1 (en) | 2014-06-19 |
| KR101338185B1 (en) | 2013-12-09 |
| CN105074307A (en) | 2015-11-18 |
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