CN101713427A - Expansion connector for pipes - Google Patents
Expansion connector for pipes Download PDFInfo
- Publication number
- CN101713427A CN101713427A CN200810200902A CN200810200902A CN101713427A CN 101713427 A CN101713427 A CN 101713427A CN 200810200902 A CN200810200902 A CN 200810200902A CN 200810200902 A CN200810200902 A CN 200810200902A CN 101713427 A CN101713427 A CN 101713427A
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- expansion
- watt
- pipes
- isosceles
- triangular prism
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Abstract
The invention discloses an expansion connector for pipes. The expansion connector comprises an expansion pipe body which is formed by two to four expansion tiles and is provided with a cavity inside, wherein prismatic notches are formed at seams when the expansion tiles are combined to form the expansion pipe body; the inside of the cavity of the expansion pipe body is provided with two sliding blocks; the side surfaces of each sliding block are provided with isosceles triangular prismatic protuberances which extend to the prismatic notches; the inner side of each of the two sliding blocks is provided with an inclined plane notch; an isosceles triangular prismatic wedge block is arranged at the inclined plane notches between the sliding blocks; the middle part of one expansion tile is provided with a threaded hole; and a screw mandrel is arranged in the threaded hole. The expansion connector has the advantages of convenient assembly, easy operation, closer connection and beautiful and elegant appearance; and the connector is concealed inside the pipes after the pipes are connected.
Description
Technical field
The invention belongs to tubing interconnection technique field, especially a kind of expansion connector for pipes.
Background technique
At present, the product of sectional furniture, composite goods rack class is many, often needs tubing is connected together, and traditional assembling Placement mainly adopts welding, nut to connect or the flange connecting means.Adopt the method for welding not dismantle, can not satisfy the technological requirement of combination product; The method that adopts nut to be connected with flange thicker link occurs at link position, influences also trouble of visual appearance and assembling.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of expansion connector for pipes is provided, it has simple in structure, and is easy to assembly, and operation easily connects closely reliably, and link is hidden in pipe fitting inside, visual appearance.
The object of the present invention is achieved like this, a kind of expansion connector for pipes, it comprises expanding by 2～4 and watt constitutes the expansion body that there is cavity inside, it is characterized in that: there is vee at each two side margin place of expanding watt, expand watt to lump together when constituting the expansion body and be the prismatic breach at its seam crossing, two slide blocks are arranged in the expansion body cavity, there is the triangular prism shaped projection of the isosceles that extend to the prismatic indentation, there side of each slide block, the medial extremity of two slide blocks all has the inclined-plane breach, inclined-plane indentation, there between slide block has the triangular prism shaped voussoir of isosceles, be provided with tapped hole at a middle part of expanding watt, the screw push rod is installed in tapped hole, the medial extremity of screw push rod has the connection ball, and the connection ball is placed in the connecting groove of triangular prism shaped voussoir bottom.
In order to realize that " T " font connects, the top of tubing is connected to the side of a plane or tubing, as a kind of improvement of the present invention, the outboard end of a slide block therein is provided with lead screw or tapped hole.
In order to realize a kind of expansion connector for pipes of specification, can connect being connected of different tube diameters and shape tubing, as a further improvement on the present invention, the present invention also comprises the abnormity pad that is installed in watt two ends of expanding by keyway, and expanding, the abnormity pad outer rim shape at its two ends adapts with the pipe end internal diameter that needs be connected with size when watt lumping together.
As a kind of improvement of the present invention, at the outer annular recess that is with of abnormity pad, the outer bipassage ring shape groove that is with that is expanding watt.The abnormity pad with expand and watt to be fastened on mounted extrusion block and the screw pull bar, be wrapped on the annular recess with rubber band or textile rope, can conveniently install and use, also be convenient to packing and storage.
Further improve as the present invention, the drift angle of described isosceles triangle projection is 20 °～40 °, preferably 30 ° again.
Its main body of described slide block generally all is cylindrical and prismatic, and the internal cavities of the body that expands accordingly also is cylindrical and prismatic.Certainly its main body of its slide block can also be other obform body, to guarantee that slide block can slide to two ends swimmingly but its prerequisite is the internal cavities of expansion body, and guarantee that the side of the triangular prism shaped projection of isosceles of slide block side is the main support face that makes watt expansion of expanding.
As a kind of improvement of the present invention, it comprises expanding by two and watt constitutes the expansion body that there is cavity inside, two slide blocks of cavity inside are a kind of deformable bodys on positive hexagon basis, each slide block is that the center has the triangular prism shaped projection of the isosceles that extend to the prismatic indentation, there with the corner angle of two symmetries, the upper end of two faces parallel with these two symmetrical rib place faces tilts and makes its face parallel with the ipsilateral of the triangular prism shaped projection of isosceles to axial direction, and expansion body internal cavities is a shape compatible with two slide block shapes and that be slidingly matched.
As another kind of improvement the of the present invention, it comprises expanding by three and watt constitutes the expansion body that there is cavity inside, two slide blocks of cavity inside are a kind of deformable bodys on positive hexagon basis, the triangular prism shaped projection of the isosceles that extend to the prismatic indentation, there is arranged on the side at each three interval of slide block, other three at interval the upper end on plane tilt and make its face parallel to axial direction with the same side of the triangular prism shaped projection of isosceles, expansion body internal cavities is a shape compatible with two slide block shapes and that be slidingly matched.
The present invention has following advantage: it has easy to assembly, easily operation, and after pipe fitting connected, link was hidden in tubing inside, connected tightr, and elegant in appearance.The outboard end of a slide block therein is provided with lead screw or tapped hole, can realize that " T " font connects.At watt two ends of expanding the abnormity pad is installed, can realizes being connected of different tube diameters and shape tubing with a kind of expansion connector for pipes of specification.This expansion connector also has simple in structure, advantages such as easy processing and fabricating.
The present invention is described in more detail below in conjunction with accompanying drawing and instantiation.
Description of drawings
Fig. 1 is the embodiment of the invention 1 an expansion connector perspective view;
Fig. 2 is each parts deployed condition perspective view of the embodiment of the invention 1 expansion connector;
Fig. 3 is the embodiment of the invention 2 expansion connector perspective view;
Fig. 4 is each parts deployed condition perspective view of the embodiment of the invention 2 expansion connectors.
Embodiment
Embodiment 1: shown in Figure 2 as Fig. 1, a kind of expansion connector for pipes, it comprises expanding by two and watt 1 constitutes the expansion body that there is cavity inside, it is 150 ° isoceles triangle v notch v 2 that there is drift angle at each two side margin place of watt 1 of expanding, expands watt 1 to lump together when constituting the expansion body at its seam crossing and be the prismatic breach that interior angle is two 150 ° and two 30 °.Two slide blocks 5,8 are arranged in the expansion body cavity, the outboard end of one of them slide block 8 has lead screw 9, two slide blocks the 5, the 8th, a kind of deformable body on positive hexagon basis, each slide block 5,8 is that the center has that to extend to prismatic indentation, there drift angle be that 30 ° isosceles are triangular prism shaped protruding 6 with the corner angle of two symmetries, and the upper end of two faces parallel with these two symmetrical rib place faces tilts and makes triangular prism shaped protruding 6 the ipsilateral of its face and isosceles parallel to axial direction.Expansion body internal cavities is a shape compatible with two slide blocks, 5,8 shapes and that be slidingly matched.The medial extremity of two slide blocks all has inclined-plane breach 7, inclined-plane indentation, there between slide block has the triangular prism shaped voussoir 10 of isosceles, be provided with tapped hole 4 at a middle part of watt 1 of expanding, screw push rod 12 is installed in tapped hole 4, the medial extremity of screw push rod 12 has the ball 13 of connection, connects the connecting groove interior 11 that ball 13 is placed on triangular prism shaped voussoir 10 bottoms.Also have the abnormity pad of installing by keyway 14 at two two ends of watt 1 of expanding, the abnormity pad 14 at watt 1 its two ends when lumping together of expanding is four prism type.At the outer annular recess 15 that is with of abnormity pad 14, expanding watt 1 the outer bipassage ring shape groove 3 that is with.
Embodiment 2: shown in Figure 4 as Fig. 3, a kind of expansion connector for pipes, it comprises expanding by three and watt 1 constitutes the expansion body that there is cavity inside, it is 150 ° isoceles triangle v notch v 2 that there is drift angle at each two side margin place of watt 1 of expanding, expands watt 1 to lump together when constituting the expansion body at its seam crossing and be the prismatic breach that interior angle is two 150 ° and two 30 °.Two slide blocks 5,8 are arranged in the expansion body cavity, the outboard end of one of them slide block 8 has tapped hole 16, two slide blocks the 5, the 8th, a kind of deformable body on positive hexagon basis, have on the side at each 5,8 three interval of slide block that to extend to prismatic indentation, there drift angle be 30 ° isosceles triangular prism shaped protruding 6, the upper end on plane, other three intervals is to the axial direction inclination and make triangular prism shaped protruding 6 the same side of its face and isosceles parallel, and expansion body internal cavities is a shape compatible with two slide blocks, 5,8 shapes and that be slidingly matched.The medial extremity of two slide blocks all has inclined-plane breach 7, there is the triangular prism shaped voussoir 10 of isosceles at inclined-plane breach 7 places between slide block, be provided with tapped hole 4 at a middle part of expanding watt, screw push rod 12 is installed in tapped hole, the medial extremity of screw push rod 12 has the ball 13 of connection, connects the connecting groove interior 13 that ball 13 is placed on triangular prism shaped voussoir 10 bottoms.Also have the abnormity pad of installing by keyway 14 at three two ends of watt 1 of expanding, the abnormity pad 14 at its two ends that expands when watt lumping together is cylindrical.At the outer annular recess 15 that is with of abnormity pad 14, the outer bipassage ring shape groove 3 that is with that is expanding watt.
Claims (7)
1. expansion connector for pipes, it comprises by 2～4 inner expansion bodys that cavity is arranged of watt structures (1) one-tenth that expand, it is characterized in that: there is vee (2) at two side margin places of each expand watt (1), expansion watt (1) lumps together when constituting the expansion body and is the prismatic breach at its seam crossing, two slide blocks (5 are arranged in the expansion body cavity, 8), each slide block (5,8) there is the triangular prism shaped projection of the isosceles that extend to the prismatic indentation, there (6) side, the medial extremity of two slide blocks all has inclined-plane breach (7), inclined-plane breach (7) between slide block has been located the triangular prism shaped voussoir of isosceles (10), middle part one expand watt (1) is provided with tapped hole (4), screw push rod (12) is installed in tapped hole (4), the medial extremity of screw push rod (12) has connection ball (13), connects the connecting groove interior (11) that ball (13) is placed on triangular prism shaped voussoir (10) bottom.
2. according to the described expansion connector for pipes of claim 1, it is characterized in that: the outboard end of a slide block (8) therein is provided with lead screw (9) or tapped hole (16).
3. according to claim 1 or 2 described expansion connector for pipes, it is characterized in that: it also comprises the abnormity pad (14) that is installed in watt (1) two ends of expanding by keyway, and abnormity pad (14) the outer rim shape at expansion watt (1) its two ends when lumping together adapts with the pipe end internal diameter that needs be connected with size.
4. according to the described expansion connector for pipes of claim 3, it is characterized in that: at the outer annular recess (15) that is with of abnormity pad (14), at the outer bipassage ring shape groove (3) that is with of watt (1) that expands.
5. according to the described expansion connector for pipes of claim 4, it is characterized in that: the drift angle of described isosceles triangle projection (6) is 20 °～40 °.
6. according to the described expansion connector for pipes of claim 5, it is characterized in that: it comprises by two watt inner expansion bodys that cavity is arranged of (1) formation that expand, two slide blocks (5 of cavity inside, 8) be a kind of deformable body on positive hexagon basis, each slide block (5,8) corner angle with two symmetries are that the center has the triangular prism shaped projection of the isosceles that extend to the prismatic indentation, there (6), the upper end of two faces parallel with these two symmetrical rib place faces is to the axial direction inclination and make the ipsilateral of the triangular prism shaped projection of its face and isosceles (6) parallel, and expansion body internal cavities is and two slide blocks (5,8) the compatible and shape that is slidingly matched of shape.
7. according to the described expansion connector for pipes of claim 5, it is characterized in that: it comprises by three watt inner expansion bodys that cavity is arranged of (1) formation that expand, two slide blocks (5 of cavity inside, 8) be a kind of deformable body on positive hexagon basis, each slide block (5,8) the triangular prism shaped projection of the isosceles that extend to the prismatic indentation, there (6) is arranged on the side at three intervals, the upper end on plane, other three intervals is to the axial direction inclination and make the same side of the triangular prism shaped projection of its face and isosceles (6) parallel, and expansion body internal cavities is and two slide blocks (5,8) the compatible and shape that is slidingly matched of shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810200902A CN101713427A (en) | 2008-10-08 | 2008-10-08 | Expansion connector for pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810200902A CN101713427A (en) | 2008-10-08 | 2008-10-08 | Expansion connector for pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101713427A true CN101713427A (en) | 2010-05-26 |
Family
ID=42417331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810200902A Pending CN101713427A (en) | 2008-10-08 | 2008-10-08 | Expansion connector for pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101713427A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985489A (en) * | 2019-12-20 | 2020-04-10 | 北京空天技术研究所 | Connection structure and connection system |
| CN115419643A (en) * | 2022-10-26 | 2022-12-02 | 广东图特家居科技股份有限公司 | Connecting piece and plywood connection structure |
-
2008
- 2008-10-08 CN CN200810200902A patent/CN101713427A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985489A (en) * | 2019-12-20 | 2020-04-10 | 北京空天技术研究所 | Connection structure and connection system |
| CN110985489B (en) * | 2019-12-20 | 2021-09-14 | 北京空天技术研究所 | Connection structure and connection system |
| CN115419643A (en) * | 2022-10-26 | 2022-12-02 | 广东图特家居科技股份有限公司 | Connecting piece and plywood connection structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20100526 |
|
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |