CN103216504A - Expansion type connection part for pipe connection - Google Patents
Expansion type connection part for pipe connection Download PDFInfo
- Publication number
- CN103216504A CN103216504A CN2013101540036A CN201310154003A CN103216504A CN 103216504 A CN103216504 A CN 103216504A CN 2013101540036 A CN2013101540036 A CN 2013101540036A CN 201310154003 A CN201310154003 A CN 201310154003A CN 103216504 A CN103216504 A CN 103216504A
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- Prior art keywords
- tubing
- jackscrew
- top board
- connection
- expansion link
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Abstract
The invention discloses an expansion type connection part for pipe connection. The expansion connection part comprises an expansion joint and a jackscrew used for enabling the expansion joint to be expanded. The expansion joint comprises a connection bottom board, a jacking board is bent at the lower end of the connection bottom board, two side boards are bent on two sides of the connection bottom board, top boards bent on the upper portion of the connection bottom board are arranged at the upper ends of the two side boards, one end of the jackscrew is in thread connection with the jacking board, and the other end of the jackscrew is connected with the two top boards. When the jackscrew is screwed tightly, the jacking board is expanded downward, the top boards are expanded upward, and the two side boards are driven to be expanded towards two sides to form four-face expanding connection with the inner wall of a pipe. The expansion type connection part for pipe connection has the advantages of being simple in structure, convenient to install, and capable of effectively preventing a fastener from being damaged.
Description
Technical field
The present invention relates to the package technique that tubing connects, relate in particular to a kind of expansion link that tubing connects that is used for.
Background technique
In the prior art, the structure that connects tubing by connection fittings has a variety of, after comparatively commonly tubing being inserted connection fittings, directly tubing and connection fittings are connected and fixed by fastening pieces such as screw, rivets, when adopting said method to connect tubing, installation steps are more numerous and diverse, and the stressed of joint mainly concentrates on the fastening piece, and the force bearing point place of fastening piece is subject to shearing force and fracture failure.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provide a kind of simple in structure, be convenient to install, can effectively protect fastening piece not impaired be used for the expansion link that tubing connects.
For solving the problems of the technologies described above, the technological scheme that the present invention proposes is:
A kind of expansion link that is used for the tubing connection, comprise swelling joint and the jackscrew that is used to make swelling joint distending, described swelling joint comprises the connection base plate, described connection base plate lower end is bent with raising plate, described raising plate one lateral buckling has side plate, described side plate upper end is provided with and is bent to the top board that connects base plate top, described jackscrew one end is threaded with raising plate, the other end and top board join, when screwing described jackscrew, the downward distending of raising plate, the top board distending that makes progress is connected with described pipe material inner wall swelling.
The middle part of described top board is provided with the depressed part to the raising plate depression, and the length of run of described top board is greater than the width of described tubing pair of inside wall.
The middle part of described top board is provided with broken line, and described depressed part is provided with forming V-shape along broken line, and the termination of described jackscrew is contacted with the broken line below of top board.
The end of described broken line is provided with joint-cutting.
Described connection base plate is provided with and is used to wear the through hole that fastening piece connects tubing.
Described expansion link also comprises the sheathing that is sheathed on outside the tubing joint, offers on the described sheathing to be used to the handle hole that the instrument that stretches into rotates described jackscrew.
Compared with prior art, the invention has the advantages that:
The expansion link that is used for the tubing connection of the present invention; it is simple in structure; be convenient to install; can effectively protect fastening piece not impaired; during assembling; by fastening piece a swelling joint and an outer pipe wall are fastenedly connected earlier; again with jackscrew precession swelling joint; and an end of jackscrew and the top board of swelling joint are joined; then another tubing is inserted in the outside of swelling joint; the perforate of passing this tubing with instrument continues to screw jackscrew; make the downward distending of raising plate; the top board distending that makes progress forms swelling with this pipe material inner wall and is connected; when two sections tubing are damaged power; the power that this link bears is not concentrated on the jackscrew; but offset, thereby can prevent that jackscrew is subjected to shearing force and ruptures, and avoids the connection of two sections tubing to lose efficacy by the tension force between swelling joint and the pipe material inner wall.The middle part of top board is provided with the depressed part to the raising plate depression, the length of run of top board is greater than the width of tubing pair of inside wall, jackscrew is when the jacking top board, at top board with after the tubing side wall contacts, the depressed part of top board is launched gradually, contact with the pair of inside wall of tubing, advance one one and tighten jackscrew the top board two ends will be connected with the pair of inside wall swelling of tubing up to the top board two ends, thereby the four sides swelling of formation and pipe material inner wall reaches more reliable and more stable connection effect.The middle part of top board is provided with broken line, and depressed part is provided with forming V-shape along broken line, and the termination of jackscrew is contacted with the broken line below of top board, the end of broken line is provided with joint-cutting, joint-cutting can reduce the top board mounted resistance, makes top board easier expansion distortion under the jacking effect of jackscrew, reduces installation difficulty.
Description of drawings
Fig. 1 is the structural representation that the present invention is used for the expansion link of tubing connection.
Fig. 2 is the stereochemical structure schematic views that the present invention is used for the expansion link swelling joint of tubing connection.
Fig. 3 is the main TV structure schematic representation that the present invention is used for the expansion link swelling joint of tubing connection.
Fig. 4 is the structural representation that the present invention is used for two sections tubing of expansion link connection of tubing connection.
Each label is represented among the figure:
1, swelling joint; 2, jackscrew; 3, tubing; 4, sheathing; 11, connect base plate; 12, raising plate; 13, top board; 14, side plate; 15, broken line; 16, joint-cutting; 41, handle hole; 111, through hole.
Embodiment
Below in conjunction with Figure of description and concrete preferred embodiment the present invention is further described.
Fig. 1 to Fig. 4 shows a kind of expansion link embodiment that tubing connects that is used for of the present invention; this expansion link comprises swelling joint 1 and is used to make the jackscrew 2 of swelling joint 1 distending; swelling joint 1 comprises connection base plate 11; connect base plate 11 lower ends and be bent with raising plate 12; raising plate 12 1 lateral bucklings have side plate 14; side plate 14 upper ends are provided with and are bent to the top board 13 that connects base plate 11 tops; jackscrew 2 one ends are threaded with raising plate 12; the other end and top board 13 join; when screwing jackscrew 2; raising plate 12 downward distendings; top board 13 upwards distending is connected with tubing 3 inwall swellings, and it is simple in structure; be convenient to install; can effectively protect fastening piece not impaired.During assembling, by fastening piece swelling joint 1 and a tubing 3 outer walls are fastenedly connected earlier, again with jackscrew 2 precession swelling joints 1, and an end of jackscrew 2 and the top board 13 of swelling joint 1 are joined, then another tubing 3 is inserted in the outside of swelling joint 1, the perforate of passing this tubing 3 with instrument continues to screw jackscrew 2, make raising plate 12 downward distendings, top board 13 upwards distending is connected with this tubing 3 inwalls formation swelling, when two sections tubing 3 are damaged power, the power that this link bears is not concentrated on the jackscrew 2, but offset by the tension force between swelling joint 1 and tubing 3 inwalls, thereby can prevent jackscrew 2 to be subjected to shearing force and rupture, avoid the connection of two sections tubing 3 to lose efficacy.
In the present embodiment, the middle part of top board 13 is provided with the depressed part to raising plate 12 depressions, the length of run of top board 13 is greater than the width of tubing 3 pair of inside walls, jackscrew 2 is when jacking top board 13, at top board 13 with after tubing 3 side wall contact, the depressed part of top board 13 is launched gradually, contact with the pair of inside wall of tubing 3 up to top board 13 two ends, advancing one one tightens jackscrew 2 top board 13 two ends will be connected with the pair of inside wall swelling of tubing 3, thereby the four sides swelling of formation and tubing 3 inwalls reaches more reliable and more stable connection effect.
In the present embodiment, the middle part of top board 13 is provided with broken line 15, depressed part is provided with forming V-shape along broken line 15, the termination of jackscrew 2 is contacted with broken line 15 belows of top board 13, the end of broken line 15 is provided with joint-cutting 16, joint-cutting 16 can reduce top board 13 mounted resistances, makes top board 13 easier expansion distortion under the jacking effect of jackscrew 2, reduces installation difficulty.
In the present embodiment, further be provided with the through hole 111 that is used to wear fastening piece connection tubing 3 on the connection base plate 11; This tubing is fastenedly connected assembly and also further comprises the sheathing 4 that is sheathed on outside tubing 3 joints, offers the handle hole 41 that is used to stretch into instrument rotation jackscrew 2 on the sheathing 4, and sheathing 4 can play and beautify outward appearance and certain seal action.
Though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention.Any those of ordinary skill in the art under the situation that does not break away from the technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement that technical solution of the present invention is made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solution of the present invention, all should drop in the scope of technical solution of the present invention protection any simple modification, equivalent variations and modification that above embodiment did according to the technology of the present invention essence.
Claims (7)
1. one kind is used for the expansion link that tubing connects, it is characterized in that: comprise swelling joint (1) and be used to make the jackscrew (2) of swelling joint (1) distending, described swelling joint (1) comprises connection base plate (11), described connection base plate (11) lower end is bent with raising plate (12), described raising plate (12) one lateral bucklings have side plate (14), described side plate (14) upper end is provided with and is bent to the top board (13) that connects base plate (11) top, described jackscrew (2) one ends are threaded with raising plate (12), the other end and top board (13) join, when screwing described jackscrew (2), raising plate (12) is distending downwards, top board (13) upwards distending is connected with described tubing (3) inwall swelling.
2. the expansion link that is used for the tubing connection according to claim 1, it is characterized in that: the middle part of described top board (13) is provided with the depressed part to raising plate (12) depression, and the length of run of described top board (13) is greater than the width of described tubing (3) pair of inside wall.
3. the expansion link that is used for the tubing connection according to claim 2, it is characterized in that: the middle part of described top board (13) is provided with broken line (15), described depressed part is provided with forming V-shape along broken line (15), and the termination of described jackscrew (2) is contacted with broken line (15) below of top board (13).
4. the expansion link that is used for the tubing connection according to claim 3, it is characterized in that: the end of described broken line (15) is provided with joint-cutting (16).
5. according to each described expansion link that is used for the tubing connection in the claim 1 to 4, it is characterized in that: described connection base plate (11) is provided with and is used to wear the through hole (111) that fastening piece connects tubing (3).
6. according to each described expansion link that is used for the tubing connection in the claim 1 to 4, it is characterized in that: described expansion link also comprises the sheathing (4) that is sheathed on outside tubing (3) joint, offers the handle hole (41) that is used to the instrument that stretches into and rotates described jackscrew (2) on the described sheathing (4).
7. the expansion link that is used for the tubing connection according to claim 5, it is characterized in that: described expansion link also comprises the sheathing (4) that is sheathed on outside tubing (3) joint, offers the handle hole (41) that is used to the instrument that stretches into and rotates described jackscrew (2) on the described sheathing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154003.6A CN103216504B (en) | 2013-04-28 | 2013-04-28 | For the expansion type connecting piece that tubing connects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154003.6A CN103216504B (en) | 2013-04-28 | 2013-04-28 | For the expansion type connecting piece that tubing connects |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103216504A true CN103216504A (en) | 2013-07-24 |
| CN103216504B CN103216504B (en) | 2016-02-10 |
Family
ID=48814572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310154003.6A Active CN103216504B (en) | 2013-04-28 | 2013-04-28 | For the expansion type connecting piece that tubing connects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103216504B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410823A (en) * | 2013-08-14 | 2013-11-27 | 湖南省金为型材有限公司 | Fastening connection fittings for pipe with pre-punching hole |
| CN103790298A (en) * | 2014-01-22 | 2014-05-14 | 湖南省金为型材有限公司 | Telescopic face tube assembly |
| CN103790299A (en) * | 2014-01-22 | 2014-05-14 | 湖南省金为型材有限公司 | Retractable face pipe assembly for guard bar |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2850304A (en) * | 1955-10-20 | 1958-09-02 | R & B Wagner Inc | Pipe coupling having an internal expanding sleeve |
| US3547475A (en) * | 1967-11-03 | 1970-12-15 | Carl E Gingher | Valet rack post |
| US3606408A (en) * | 1969-04-01 | 1971-09-20 | Adolph A Wagner | Coupling device for tubular members |
| US3884588A (en) * | 1971-04-08 | 1975-05-20 | Metafab Ind Inc | Tube joining system |
| CN203230689U (en) * | 2013-04-28 | 2013-10-09 | 湖南省金为型材有限公司 | Expansion-type connecting member used for pipe connection |
-
2013
- 2013-04-28 CN CN201310154003.6A patent/CN103216504B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2850304A (en) * | 1955-10-20 | 1958-09-02 | R & B Wagner Inc | Pipe coupling having an internal expanding sleeve |
| US3547475A (en) * | 1967-11-03 | 1970-12-15 | Carl E Gingher | Valet rack post |
| US3606408A (en) * | 1969-04-01 | 1971-09-20 | Adolph A Wagner | Coupling device for tubular members |
| US3884588A (en) * | 1971-04-08 | 1975-05-20 | Metafab Ind Inc | Tube joining system |
| CN203230689U (en) * | 2013-04-28 | 2013-10-09 | 湖南省金为型材有限公司 | Expansion-type connecting member used for pipe connection |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410823A (en) * | 2013-08-14 | 2013-11-27 | 湖南省金为型材有限公司 | Fastening connection fittings for pipe with pre-punching hole |
| CN103410823B (en) * | 2013-08-14 | 2016-08-10 | 湖南省金为型材有限公司 | It is fastenedly connected accessory for band pre-punched hole tubing |
| CN103790298A (en) * | 2014-01-22 | 2014-05-14 | 湖南省金为型材有限公司 | Telescopic face tube assembly |
| CN103790299A (en) * | 2014-01-22 | 2014-05-14 | 湖南省金为型材有限公司 | Retractable face pipe assembly for guard bar |
| CN103790298B (en) * | 2014-01-22 | 2015-10-28 | 湖南省金为型材有限公司 | Telescopic surface pipe component |
| CN103790299B (en) * | 2014-01-22 | 2015-10-28 | 湖南省金为型材有限公司 | For the telescopic surface pipe component of guardrail |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103216504B (en) | 2016-02-10 |
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| C14 | Grant of patent or utility model | ||
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