CN103291705B - Tube stock fastening connection fitting - Google Patents
Tube stock fastening connection fitting Download PDFInfo
- Publication number
- CN103291705B CN103291705B CN201310224753.6A CN201310224753A CN103291705B CN 103291705 B CN103291705 B CN 103291705B CN 201310224753 A CN201310224753 A CN 201310224753A CN 103291705 B CN103291705 B CN 103291705B
- Authority
- CN
- China
- Prior art keywords
- tubing
- swelling
- swelling part
- fastenedly connected
- tie
- 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.)
- Active
Links
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a tube stock fastening connection fitting which comprises an expanding piece and a fastening screw. The expanding piece comprises a bent pulling plate and expanding side plates which are arranged on the two sides of the pulling plate. The fastening screw is in threaded connection with a bent part of the pulling plate. When the fastening screw is screwed, the fastening screw drives the edges of the two expanding side plates through the pulling plate to press the inner wall of a tube stock tightly and drives the pulling plate to be unfolded to drive the two expanding side plates to expand a pair of inner walls of the tube stock tightly towards the two sides. The tube stock fastening connection fitting has the advantages of being simple in structure, attractive in appearance and capable of effectively protecting a fastening piece against damage.
Description
Technical field
The present invention relates to the package technique that tubing connects, particularly relate to a kind of tubing and be fastenedly connected accessory.
Background technique
In the prior art, the structure being connected 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 the fastening piece such as screw, rivet, when adopting said method to connect tubing, the stressed of joint mainly concentrates on 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 overcomes the deficiencies in the prior art, provide a kind of structure simple, handsome in appearance, accessory can be fastenedly connected by the not impaired tubing of available protecting fastening piece.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of tubing is fastenedly connected accessory, comprise swelling part and fastening screw, described swelling part comprises the arm-tie in kink shape and is located at the swelling side plate of described arm-tie both sides, described fastening screw is threaded with the kink of arm-tie, when described fastening screw screws, the edge of two swelling side plates is driven to compress an inwall of described tubing and order about the pair of inner wall of arm-tie expansion drive two swelling side plate to tubing described in the swelling of both sides through arm-tie.
Described arm-tie to swelling part inner recess, and is α with the angle of adjacent swelling side plate, 45 ° of < α < 90 °; Or described arm-tie is to swelling part outer projection, and be β with the angle of adjacent swelling side plate, 90 ° of < β < 135 °.
One end of described swelling side plate is bent with the connecting bottom board for being fastenedly connected with tubing.
Described connecting bottom board is provided with the through hole connecting tubing for wearing fastening piece.
As a further improvement on the present invention:
These connection fittings also comprise for the coated connecting sleeve covering at tubing connecting port.
Described connecting sleeve is provided with for plugging tubing and orthogonal two interfaces, and wherein an interface inside is provided with the baffle plate for being connected with swelling part.
One end of described connecting sleeve is provided with the interface for plugging tubing, is provided with the baffle plate for being connected with swelling part in described interface.
Described connecting sleeve is provided with for plugging tubing and orthogonal three interfaces, wherein two inner baffle plates be provided with for being connected with swelling part of interface.
Described connecting sleeve is provided with three interfaces for plugging tubing, wherein two interfaces are parallel to each other and run through, and inside is provided with the back-up ring for propping up pipe end, two interfaces that another interface runs through perpendicular to being parallel to each other are arranged, and inside is provided with the baffle plate for being connected with swelling part.
Described baffle plate is provided with the matching hole connecting swelling part for wearing fastening piece.
Described baffle plate is provided with for the boss to connection swelling part location.
Compared with prior art, the invention has the advantages that:
Tubing of the present invention is fastenedly connected accessory, its structure is simple, handsome in appearance, can available protecting fastening piece not impaired, during assembling, first swelling part is fastenedly connected on the outer wall of a tubing, then another tubing is set in swelling part outside, by in this tubing of fastening screw precession and swelling part, nut is made to prop up this outer pipe wall, the edge of two swelling side plates can be made to compress an inwall of tubing through arm-tie drive when tightening fastening screw, tighten fastening screw further, fastening screw can order about arm-tie and launch the pair of inner wall of drive two swelling side plate to both sides swelling tubing, thus reach and form three swellings with the inwall of this tubing and be connected, when this tubing is damaged power, the power that these connection fittings bear can not mainly concentrate on fastening screw, but offset by the tension force between swelling part and pipe material inner wall, thus fastening screw can be prevented to be subject to shearing force and to rupture, avoid the Joint failure of two sections of tubing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the perspective view of swelling part in the embodiment of the present invention 1.
Fig. 3 is the perspective view of connecting sleeve in the embodiment of the present invention 1.
Fig. 4 is the structural representation of the embodiment of the present invention 2.
Fig. 5 is the perspective view of connecting sleeve in the embodiment of the present invention 2.
Fig. 6 is the structural representation of the embodiment of the present invention 3.
Fig. 7 is the perspective view of swelling part in the embodiment of the present invention 3.
Fig. 8 is the structural representation of the embodiment of the present invention 4.
Fig. 9 is the perspective view of connecting sleeve in the embodiment of the present invention 4.
Figure 10 is the structural representation of the embodiment of the present invention 5.
Figure 11 is the perspective view of swelling part in the embodiment of the present invention 5.
Figure 12 is the perspective view of connecting sleeve in the embodiment of the present invention 5.
In figure, each label represents:
1, swelling part; 11, arm-tie; 12, swelling side plate; 13, connecting bottom board; 131, through hole; 132, positioning hole; 2, fastening screw; 3, tubing; 4, fastening piece; 5, connecting sleeve; 51, interface; 52, baffle plate; 521, boss; 522, matching hole; 53, back-up ring.
Embodiment
Below with reference to Figure of description and specific embodiment, the present invention is described in further details.
embodiment 1:
Fig. 1 to Fig. 3 shows the first embodiment that tubing of the present invention is fastenedly connected accessory; these connection fittings comprise swelling part 1 and fastening screw 2; swelling part 1 comprises the arm-tie 11 in kink shape and is located at the swelling side plate 12 of arm-tie 11 both sides; fastening screw 2 is threaded with the kink of arm-tie 11; when fastening screw 2 screws; drive the edge of two swelling side plates 12 compress an inwall of tubing 3 and order about arm-tie 11 and launch the pair of inner wall of drive two swelling side plate 12 to both sides swelling tubing 3 through arm-tie 11, its structure be simple, can available protecting fastening piece not impaired.During assembling, first swelling part 1 is fastenedly connected on the outer wall of a tubing 3, then another tubing 3 is set in swelling part 1 outside, by in this tubing 3 of fastening screw 2 precession and swelling part 1, nut is made to prop up the outer wall of this tubing 3, when tightening fastening screw 2, the edge of two swelling side plates 12 can be made to compress an inwall of tubing 3 through arm-tie 11 drive, tighten fastening screw 2 further, fastening screw 2 can order about arm-tie 11 and launch the pair of inner wall of drive two swelling side plate 12 to both sides swelling tubing 3, thus form three swellings with the inwall of this tubing 3 and be connected, when this tubing 3 is damaged power, the power that these connection fittings bear can not mainly concentrate on fastening screw 2, but offset by the tension force between swelling part 1 and tubing 3 inwall, thus can prevent fastening screw 2 from rupturing by shearing force, avoid the Joint failure of two sections of tubing 3.
In the present embodiment, arm-tie 11 is further to swelling part 1 inner recess, arm-tie 11 is α with the angle of two swelling side plates 12 respectively, 45 ° of < α < 90 °, the present embodiment α=75 °, arrange arm-tie 11 like this and make whole swelling part 1 reach better swelling effect with tubing 3 inwall.
In the present invention, one end of swelling side plate 12 is bent with the connecting bottom board 13 for being fastenedly connected with tubing 3, connecting bottom board 13 is provided with further the through hole 131 connecting tubing 3 for wearing fastening piece 4, connecting bottom board 13 is affixed on the outer wall of tubing 3, make swelling part 1 and firm the linking together of this tubing 3 with fastening piece 4 through the through hole 131 on connecting bottom board 13, its stabilized structure, install also very convenient.
In the present invention, these connection fittings also comprise for the coated connecting sleeve 5 covering at tubing 3 connecting port further, during assembling, first a tubing 3 is inserted in one end of connecting sleeve 5, then be fastenedly connected with this tubing 3 outer wall in the other end swelling part 1 being placed in connecting sleeve 5, now, containing groove is formed between the inwall of swelling part 1 meeting and this end of connecting sleeve 5, again another tubing 3 is inserted in this containing groove, the outer wall of this tubing 3 can fit tightly with the inwall of this end of connecting sleeve 5, and the connecting sleeve 5 being coated on tubing 3 connecting port makes whole handsome in appearancely, resistance to see.
In the present invention, connecting sleeve 5 is provided with for plugging tubing 3 and orthogonal two interfaces 51, and wherein interface 51 inside is provided with the baffle plate 52 for being connected with swelling part 1, and baffle plate 52 is provided with the matching hole 522 connecting swelling part 1 for wearing fastening piece 4, baffle plate 52 is also provided with the boss 521 for locating swelling part 1, the connecting bottom board 13 of swelling part 1 arranges positioning hole 132, boss 521 is connected with the positioning hole 132 on connecting bottom board 13, play the effect of positioning expander gripping members 1, make easier for installation, fastening piece 4 passes through hole 131 successively and matching hole 522 is rear and tubing 3 is fastenedly connected, make swelling part 1, tubing 3 and connecting sleeve 5 are all fastened together, two orthogonal interfaces 51 make two tubing 3 be fastened together, and it is mutually vertical, while serving the effect of being fastenedly connected, reach again the effect of decorative appearance.
embodiment 2:
Fig. 4 to Fig. 5 shows the second embodiment that tubing of the present invention is fastenedly connected accessory, these connection fittings are substantially the same manner as Example 1, difference is only: one end of connecting sleeve 5 is provided with the interface 51 for plugging tubing 3, being provided with the baffle plate 52 for being connected with swelling part 1 in interface 51, baffle plate 52 being provided with equally the matching hole 522 connecting swelling part 1 for wearing fastening piece 4; And the boss 521 be also provided with for connecting swelling part 1, fastening piece 4 is fastenedly connected with tubing 3 outer wall through after through hole 131 and matching hole 522 successively, swelling part 1, tubing 3 and connecting sleeve 5 are all fastened together, again another tubing 3 is inserted in containing groove that swelling part 1 and interface 51 formed, two tubing 3 are made to be fastened together equally and mutually vertical, while serving the effect of being fastenedly connected, reach again the effect of decorative appearance.
embodiment 3:
Fig. 6 to Fig. 7 shows the third embodiment that tubing of the present invention is fastenedly connected accessory, these connection fittings are substantially the same manner as Example 2, difference is only: arm-tie 11 is to swelling part 1 outer projection, and be β with the angle of adjacent swelling side plate 12,90 ° of < β < 135 °, the present embodiment β=105 °, arrange arm-tie 11 like this and make whole swelling part 1 reach good swelling effect with tubing 3 inwall equally.
embodiment 4:
Fig. 8 to Fig. 9 shows the 4th kind of embodiment that tubing of the present invention is fastenedly connected accessory, these connection fittings are substantially the same manner as Example 1, difference is only: connecting sleeve 5 is provided with for plugging tubing 3 and orthogonal three interfaces 51 wherein two interface 51 inside are provided with the baffle plate 52 for being connected with swelling part 1, one tubing 3 is inserted in an interface 51, this tubing 3 offers tapped hole, two swelling parts 1 are placed in respectively in two other interface 51, be fastenedly connected with this tubing 3 respectively through after the through hole 131 on connecting bottom board 13 and tapped hole successively with fastening piece 4, again other two tubing 3 are inserted in respectively in containing groove that swelling part 1 and interface 51 formed, make three tubing 3 be fastened together simultaneously, and it is mutually vertical, while serving the effect of being fastenedly connected, reach again the effect of decorative appearance.
embodiment 5:
Figure 10 to Figure 12 shows the 5th kind of embodiment that tubing of the present invention is fastenedly connected accessory, these connection fittings are substantially the same manner as Example 1, difference is only: connecting sleeve 5 is provided with three interfaces 51 for plugging tubing 3, wherein two interfaces 51 are parallel to each other and run through, and inside is provided with the back-up ring 53 for propping up tubing 3 end, two interfaces 51 that another interface 51 runs through perpendicular to being parallel to each other are arranged, and inside is provided with the baffle plate 52 for being connected with swelling part 1, one this swelling part 1 of swelling part 1(is not established connecting bottom board 13) be placed in two interfaces 51 that are parallel to each other and run through, then two tubing 3 are inserted in the containing groove that this swelling part 1 and two interfaces 51 are formed from two ends respectively, now, the end of two tubing 3 can prop up back-up ring 53, this back-up ring 53 plays positioning action, with in the arm-tie 11 of fastening screw 2 precession tubing 3 and swelling part 1, the inwall expanded joint of this swelling part 1 and two tubing 3 connects, another swelling part 1 is placed in another interface 51, with fastening screw 2 through the through hole 131 on connecting bottom board 13, and be threaded with the arm-tie 11 on the swelling part 1 in two interfaces 51 that run through of being parallel to each other, thus reach swelling effect further, then the 3rd root tubing 3 is inserted in containing groove that another swelling part 1 and another interface 51 formed, use in this tubing 3 of fastening screw 2 precession and the arm-tie 11 of this swelling part 1 again, this swelling part 1 is connected with the inwall swelling of this tubing 3, this structure makes three tubing 3 be fastened together, wherein, two tubing 3 are parallel to each other, and it is vertical with another root tubing 3, while serving the effect of being fastenedly connected, reach again the effect of decorative appearance.
Although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention.Any those of ordinary skill in the art, when not departing from technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or being revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.
Claims (9)
1. a tubing is fastenedly connected accessory, it is characterized in that: comprise swelling part (1) and fastening screw (2), described swelling part (1) comprises the arm-tie (11) in kink shape and is located at the swelling side plate (12) of described arm-tie (11) both sides, described fastening screw (2) is threaded with the kink of arm-tie (11), when described fastening screw (2) screws, the edge of two swelling side plates (12) is driven to compress an inwall of a tubing (3) through arm-tie (11), and order about the pair of inner wall of arm-tie (11) expansion drive two swelling side plate (12) to this tubing of both sides swelling (3), described arm-tie (11) is to swelling part (1) inner recess, and be α with the angle of adjacent swelling side plate (12), 45 ° of < α < 90 °, or described arm-tie (11) is to swelling part (1) outer projection, and be β with the angle of adjacent swelling side plate (12), 90 ° of < β < 135 °, one end of described swelling side plate (12) is bent with the connecting bottom board (13) for being fastenedly connected with another tubing (3).
2. tubing according to claim 1 is fastenedly connected accessory, it is characterized in that: described connecting bottom board (13) is provided with the through hole (131) connecting another tubing (3) for wearing fastening piece (4).
3. tubing according to claim 1 and 2 is fastenedly connected accessory, it is characterized in that: also comprise for the coated connecting sleeve (5) covering at this tubing (3) connecting port.
4. tubing according to claim 3 is fastenedly connected accessory, it is characterized in that: described connecting sleeve (5) is provided with for plugging this tubing (3) and orthogonal two interfaces (51), and wherein an interface (51) inside is provided with the baffle plate (52) for being connected with swelling part (1).
5. tubing according to claim 3 is fastenedly connected accessory, it is characterized in that: one end of described connecting sleeve (5) is provided with the interface (51) for plugging this tubing (3), is provided with the baffle plate (52) for being connected with swelling part (1) in described interface (51).
6. tubing according to claim 3 is fastenedly connected accessory, it is characterized in that: described connecting sleeve (5) is provided with for plugging this tubing (3) and orthogonal three interfaces (51), wherein two interface (51) inside is provided with the baffle plate (52) for being connected with swelling part (1).
7. tubing according to claim 3 is fastenedly connected accessory, it is characterized in that: described connecting sleeve (5) is provided with three interfaces (51) for plugging this tubing (3), wherein two interfaces (51) are parallel to each other and run through, and inside is provided with the back-up ring (53) for propping up tubing 3 end, two interfaces (51) that another interface (51) runs through perpendicular to being parallel to each other are arranged, and inside is provided with the baffle plate (52) for being connected with swelling part (1).
8. the tubing according to any one of claim 4 to 7 is fastenedly connected accessory, it is characterized in that: described baffle plate (52) is provided with the matching hole (522) connecting swelling part (1) for wearing fastening piece (4).
9. tubing according to claim 8 is fastenedly connected accessory, it is characterized in that: described baffle plate (52) is provided with the boss (521) for locating swelling part (1), described swelling part (1) is provided with the positioning hole (132) coordinated with boss (521).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310224753.6A CN103291705B (en) | 2013-06-07 | 2013-06-07 | Tube stock fastening connection fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310224753.6A CN103291705B (en) | 2013-06-07 | 2013-06-07 | Tube stock fastening connection fitting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103291705A CN103291705A (en) | 2013-09-11 |
| CN103291705B true CN103291705B (en) | 2015-07-01 |
Family
ID=49093095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310224753.6A Active CN103291705B (en) | 2013-06-07 | 2013-06-07 | Tube stock fastening connection fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103291705B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696522B (en) * | 2013-12-18 | 2015-12-16 | 江苏标榜装饰新材料股份有限公司 | The two-way syndeton of rack furred ceiling |
Family Cites Families (6)
| 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 |
| NL7811946A (en) * | 1978-12-07 | 1980-06-10 | Auping Bv | CONNECTING ELEMENT OF THE EXPANDABLE TYPE. |
| CN2542870Y (en) * | 2002-05-31 | 2003-04-02 | 厦门新技术集成有限公司 | Expanding fittings for connecting pipe and fixing member |
| CN102619830A (en) * | 2012-03-31 | 2012-08-01 | 湖南省金为型材有限公司 | Two-way connection assembly used for connecting tubing |
| CN203362744U (en) * | 2013-06-07 | 2013-12-25 | 湖南省金为型材有限公司 | Pipe fastening connection fitting |
-
2013
- 2013-06-07 CN CN201310224753.6A patent/CN103291705B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103291705A (en) | 2013-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2680442C2 (en) | Device for connecting structural element with holding element spaced apart | |
| WO2012044930A3 (en) | Knock down furniture with locking joints | |
| JP6461153B2 (en) | Improvement of pipe support system and peripheral equipment | |
| CN203431327U (en) | Spliced pipe clamp | |
| CN103225640B (en) | Tubing is with being fastenedly connected accessory | |
| CN103291705B (en) | Tube stock fastening connection fitting | |
| CN203362744U (en) | Pipe fastening connection fitting | |
| CN207609662U (en) | A kind of detachable expanding screw | |
| CN209082887U (en) | A kind of indoor and outdoor heat-preserving decorative wall board mounting structure | |
| CN103410823A (en) | Fastening connection fittings for pipe with pre-punching hole | |
| CN103233955A (en) | Fastening and connecting assembly for pipe | |
| CN104006248B (en) | A kind of direct insertion slip-knot Fast-mounting tube fitting | |
| PL2106984T3 (en) | Folded lining | |
| CN108999868A (en) | Component with threaded hole | |
| CN103216503B (en) | Tubular product fastening connection accessory | |
| CN102678697B (en) | A kind of pipe connection fitting | |
| CN203757235U (en) | Cutting sleeve rapid connector | |
| CN203560232U (en) | Expanding fitting for fastening connection of pipes | |
| CN104487752A (en) | Pipe fitting | |
| CN203701475U (en) | Guard bar with face pipe and stand column in expansion connection | |
| CN103711761B (en) | Tubing is fastenedly connected assembly | |
| CN203230685U (en) | Fastening connecting assembly for pipes | |
| CN202091314U (en) | Straight tube butting structure for office furniture | |
| KR200385731Y1 (en) | a pipe joint structure | |
| CN203627450U (en) | Fastening connecting assembly for pipes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |