CN202914468U - Square tube connecting piece - Google Patents
Square tube connecting piece Download PDFInfo
- Publication number
- CN202914468U CN202914468U CN 201220588245 CN201220588245U CN202914468U CN 202914468 U CN202914468 U CN 202914468U CN 201220588245 CN201220588245 CN 201220588245 CN 201220588245 U CN201220588245 U CN 201220588245U CN 202914468 U CN202914468 U CN 202914468U
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- CN
- China
- Prior art keywords
- square
- square tubular
- tubular link
- pipe fitting
- connecting end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
A square tube connecting piece comprises an inserting end and at least two connecting ends placed on the side portion of the inserting end. The cross sections of the inserting end and the connecting ends are all in a square shape, the connecting ends are inserted into an end opening of a square pipe which are to be butted in a detachable mode, and the connecting ends are provided with connecting parts which are fixedly connected with the side wall of the square pipe. Compared with the prior art, when the square tube connecting piece is used for abutting against the square pipe, quick inserting can be achieved, mounting and dismounting are quick, repetitive using can be achieved, and strong generality is achieved. The square tube connecting piece can guarantee the abutting connection portion of the square tube to have strong stability.
Description
Technical field
The utility model relates to a kind of link, especially a kind of square tubular link.
Background technique
When the long strip shape object spares such as square paper tube, wooden square beam are made frame structure, the end of rectangular object need to be docked according to predetermined angle, in the docking operation, all be directly object to be fixed by link, this Placement, disassembly process are comparatively complicated, can not accomplish Reusability, and versatility is relatively poor, and means of fixation is comparatively single, and the docking location of framework produces the phenomenon that gets loose easily.
The model utility content
For the deficiencies in the prior art, the purpose of this utility model is intended to provide a kind of square tubular link, and its installation, unloading process are comparatively convenient, can realize Reusability, and the frame structure after can guaranteeing to connect has stronger stability.
For achieving the above object, the utility model adopts following technological scheme:
A kind of square tubular link, comprise an insertion end, and at least two connecting ends that are positioned at the insertion end sidepiece, the cross section of insertion end and connecting end all is square, in the square pipe fitting of the pre-docking of the dismountable insertion of connecting end open-ended, be provided with the connected element that is fixedly connected with the sidewall of square pipe fitting on it.
Have an inner fovea part on the sidewall of connecting end, connected element is the spring sheet that is arranged in the inner fovea part, and an end of spring sheet is shaped in inner fovea part one side, and the other end is free end, has a lug boss at this free-ended outer surface.
The outer surface of lug boss is an inclined-plane, and this inclined-plane is extremely outward-dipping gradually away from a side of connecting end outer end wall by the side near the connecting end outer end wall.
Connecting end inside is provided with crisscross reinforcement gusset, and connected element is to be arranged on pin hole or the screw hole of strengthening gusset intersection; The reinforcement gusset two ends of cross setting are separately fixed on the two side, and the two ends of the reinforcement gusset that vertically arranges are separately fixed on inner end wall and the outer end wall.
This square tubular union comprises two connecting ends, and the plane that the straight line at the bearing of trend place of these two connecting ends consists of is vertical with the straight line at insertion end bearing of trend place, and the straight line at the bearing of trend place of two connecting ends is orthogonal.
The outer surface of insertion end is provided with many fins that extend along its length direction.
The beneficial effects of the utility model are:
Than prior art, model utility can realize fast inserted when being used for square pipe fitting docking, and it is more convenient to mount and dismount, and can Reusability, has stronger versatility; Guarantee that square pipe fitting joint has stronger stability.
Description of drawings
Fig. 1 is the utility model embodiment one structural representation;
Fig. 2 is the utility model embodiment two structural representation;
Fig. 3 is the use view of square tubular link shown in Figure 2;
Wherein: 1, square tubular link; 11, connecting end; 111, sidewall; 112, inner fovea part; 113, spring sheet; 1131, lug boss; 114, outer end wall; 115, cross reinforcing plate; 116, waling plate; 12, insertion end; 121, fin; 2, square tubular link; 21, connecting end; 211, sidewall; 214 outer end wall; 215, cross reinforcing plate; 216, waling plate; 217, screw hole; 22, insertion end.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the utility model is described further:
Fig. 1 shows the structure of the utility model embodiment one square tubular link 1, it comprises an insertion end 12 and two connecting ends 11, the cross section of insertion end 12 and connecting end 11 all is square, be specifically square, to mate general square pipe fitting, the bearing of trend place straight line of two connecting ends 11 is orthogonal, and the plane that its two bearing of trend place straight line consists of is vertical with the straight line at insertion end 12 bearing of trend places, for three connections that are mutually the square pipe fitting of 90 degree angles.On each connecting end 11, all has connected element, connecting end 11 be inserted into the square pipe fitting of pre-docking open-ended in, connected element can be fixed on square pipe fitting on the connecting end 11, and guarantees that square pipe fitting can realize quick mounting, the dismounting with square tubular link 1.Concrete is, sidewall 111 at connecting end 11 has an inner fovea part 112, connected element is the spring sheet 113 that is arranged in the inner fovea part 112, the medial extremity of this spring sheet 113 is shaped in the medial extremity of inner fovea part 112, its outboard end is a free end, has a lug boss 1131 at this free-ended outer surface, the outer surface of lug boss 1131 is an inclined-plane, the true dip direction on this inclined-plane is, and is extremely outward-dipping gradually away from a side of connecting end 11 outer end wall 114 by the side near connecting end 11 outer end wall 114.
Above-mentioned connecting end 11 is when being connected with square pipe fitting, with the open-ended aligning connecting end 11 of square pipe fitting, guarantee that its two length direction is consistent, push along its length afterwards square pipe fitting, it is enclosed within on the connecting end 11, in the fit process, the inwall expression lobes section 1131 of square pipe fitting, force spring sheet 113 that deformation occurs, when square pipe fitting cooperates with connecting end 11 when putting in place, spring sheet 113 resiliences make the step surface of lug boss 1131 inner ends cooperate with the step surface that square pipe fitting inner wall is preset, and realize being fastenedly connected of connecting end 11 and square pipe fitting.
Above-mentioned lug boss 1131 also can be curved, mainly is the inwall extruding that utilizes its arc top and square pipe fitting, thereby produces the mutually power of compressing.
In order to increase the intensity of connecting end 11, between its two side 111, be connected with a cross reinforcing plate 115, between its outer end wall 114 and inner end wall, be connected with a waling plate 116.In addition, can be with good fit with its equipped square pipe fitting in order to make insertion end 12, at the outer surface of insertion end 12 many fins 121 that extend along its length direction are set.
Fig. 2 shows the structure of the utility model embodiment two square tubular link 2, its structure is identical with above-mentioned square tubular link 1 cardinal principle, and the structure of above-mentioned reinforcement gusset also is applicable to this square tubular union 2, concrete is, between the two side 211 of the connecting end 21 of square tubular link 2, two cross reinforcing plates 215 parallel to each other are set, be connected with a waling plate 216 between its outer end wall 214 and inner end wall, connected element is the screw hole 217 that is arranged on waling plate 216 and cross reinforcing plate 215 intersections.
Referring to Fig. 3, square tubular link 2 is enclosed within square pipe fitting on the connecting end 21 in use, and makes the alignment screw hole, hole 217 on the square pipe fitting, utilizes hole and screw hole 217 on the square pipe fitting of screw cross-under, and square pipe fitting and connecting end 21 are tightened together.
Certainly, the outer surface of insertion end 22 that also can be on square tubular link 2 arranges a plurality of fins that extend along its length direction, and fin can be to be formed by the bump and the inner fovea part that arrange along insertion end 22 length directions.In above-described embodiment, also can pin hole be set at waling plate 216 and cross reinforcing plate 215 intersections, when connecting, utilize pin to connect.
Above-mentioned two embodiments of the present utility model all are the square pipe fittings that are applicable to vertical butt joint, above-mentioned square tubular link can according to the shape of framework, be arranged to connecting end and the angle of insertion end different angles or the angle of two connecting ends is arranged to different angles; Also can according to structure and the shape of framework, the connecting end of varying number be set.
Those skilled in the art can according to technological scheme described above and design, make other various corresponding changes and deformation, and these all changes and deformation should belong within the protection domain of the utility model claim all.
Claims (6)
1. square tubular link, it is characterized in that, comprise an insertion end, and at least two connecting ends that are positioned at the insertion end sidepiece, the cross section of insertion end and connecting end all is square, in the square pipe fitting of the pre-docking of the dismountable insertion of connecting end open-ended, be provided with the connected element that is fixedly connected with the sidewall of square pipe fitting on it.
2. square tubular link as claimed in claim 1, it is characterized in that, has an inner fovea part on the sidewall of connecting end, connected element is the spring sheet that is arranged in the inner fovea part, one end of spring sheet is shaped in inner fovea part one side, the other end is free end, has a lug boss at this free-ended outer surface.
3. square tubular link as claimed in claim 2 is characterized in that, the outer surface of lug boss is an inclined-plane, and this inclined-plane is extremely outward-dipping gradually away from a side of connecting end outer end wall by the side near the connecting end outer end wall.
4. square tubular link as claimed in claim 1 is characterized in that, connecting end inside is provided with crisscross reinforcement gusset, and connected element is to be arranged on pin hole or the screw hole of strengthening gusset intersection; The reinforcement gusset two ends of cross setting are separately fixed on the two side, and the two ends of the reinforcement gusset that vertically arranges are separately fixed on inner end wall and the outer end wall.
5. such as each described square tubular link of claim 1-4, it is characterized in that, this square tubular union comprises two connecting ends, the plane that the straight line at the bearing of trend place of these two connecting ends consists of is vertical with the straight line at insertion end bearing of trend place, and the straight line at the bearing of trend place of two connecting ends is orthogonal.
6. such as each described square tubular link of claim 1-4, it is characterized in that the outer surface of insertion end is provided with many fins that extend along its length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220588245 CN202914468U (en) | 2012-11-08 | 2012-11-08 | Square tube connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220588245 CN202914468U (en) | 2012-11-08 | 2012-11-08 | Square tube connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202914468U true CN202914468U (en) | 2013-05-01 |
Family
ID=48162787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220588245 Expired - Lifetime CN202914468U (en) | 2012-11-08 | 2012-11-08 | Square tube connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202914468U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105821964A (en) * | 2016-04-07 | 2016-08-03 | 苏州罗普斯金铝业股份有限公司 | Aluminum alloy section |
| WO2019237206A1 (en) * | 2018-06-15 | 2019-12-19 | Cecol Domenic | Modular frame assembly |
| WO2021027005A1 (en) * | 2019-08-15 | 2021-02-18 | 常州灵特尔轻便展示系统有限公司 | Adapter |
-
2012
- 2012-11-08 CN CN 201220588245 patent/CN202914468U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105821964A (en) * | 2016-04-07 | 2016-08-03 | 苏州罗普斯金铝业股份有限公司 | Aluminum alloy section |
| WO2019237206A1 (en) * | 2018-06-15 | 2019-12-19 | Cecol Domenic | Modular frame assembly |
| WO2021027005A1 (en) * | 2019-08-15 | 2021-02-18 | 常州灵特尔轻便展示系统有限公司 | Adapter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510000, 817, Tian An technology development building, Panyu energy saving Science Park, No. 555 Panyu Avenue, Panyu District, Guangdong, Guangzhou, China Patentee after: GUANGZHOU HAIFANG TECHNOLOGY Co.,Ltd. Address before: 510000, 817, Tian An technology development building, Panyu energy saving Science Park, No. 555 Panyu Avenue, Panyu District, Guangdong, Guangzhou, China Patentee before: GUANGZHOU HAIFANG PAPER PRODUCT TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130501 |
|
| CX01 | Expiry of patent term |