CN102392533B - Steel pipe scaffold connecting piece - Google Patents
Steel pipe scaffold connecting piece Download PDFInfo
- Publication number
- CN102392533B CN102392533B CN 201110314383 CN201110314383A CN102392533B CN 102392533 B CN102392533 B CN 102392533B CN 201110314383 CN201110314383 CN 201110314383 CN 201110314383 A CN201110314383 A CN 201110314383A CN 102392533 B CN102392533 B CN 102392533B
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- inclined tube
- vertical
- hole
- trapezoidal
- plug
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Abstract
The invention discloses a steel pipe scaffold connecting piece which comprises a sleeve and a vertical pipe joint, wherein the outer periphery of the sleeve is provided with four trapezoidal keys which are evenly distributed along the circumstance; two ends of the vertical pipe joint are respectively provided with an annular sockolet and a trapezoidal slot matched with the trapezoidal keys; and the trapezoidal keys are inserted into the trapezoidal slot. The steel pipe scaffold connecting piece is characterized in that the interface of the trapezoidal slot and the interface of the trapezoidal slot are provided with through holes or screw holes with the same direction, and fastening bolts and nuts are installed in the through holes or the screw holes. The steel pipe scaffold connecting piece has the advantages that the trapezoidal keys of the sleeve and the trapezoidal slot of the joint are mutually fastened by bolts and nuts to effectively prevent the trapezoidal keys from being separated from the trapezoidal slot so as to avoid potential safety hazards. A slot formed by the extruding parts of four vertical pipe joints is connected with horizontal and vertical inclined pipes, functions are increased, the steel pipe scaffold connecting piece is suitable for installing various scaffolds, and the application range is expanded.
Description
Technical field
The present invention relates to a kind of connector for steel-tube scaffold, the installation that is used for the building field scaffold connects.
Background technology
The scaffold fastenings of prior art mainly comprises sleeve and vertical tube joint, is provided with the trapezoidal key of four former circumference uniform distributions at the outer peripheral face of this sleeve; The dovetail groove that is respectively equipped with ring-type socket joint platform at the two ends of this vertical tube joint and coordinates with this trapezoidal key, this trapezoidal key inserts in this dovetail groove.During use, jacket casing is also welded on standpipe, the transverse pipe of the ring-type socket joint platform of vertical tube joint and horizontal plane is connected with the longitudinal pipe top, only the trapezoidal key of the vertical tube joint at transverse pipe and longitudinal pipe two ends need to be inserted in this dovetail groove during installation and get final product, very convenient.But also there is following shortcoming in this connector: although the connected mode of trapezoidal key insertion dovetail groove is simple, just in case be subject to external force, both are broken away from, have potential safety hazard; This connector does not have the connector with horizontal inclined tube and vertical inclined tube, has limited range of application.
Summary of the invention
The present invention aims to provide a kind of connector for steel-tube scaffold, inserts the connected mode of dovetail groove and just in case be subject to external force, both is broken away to solve trapezoidal key that prior art exists, has potential safety hazard; Not with the connector of horizontal inclined tube with vertical inclined tube, limited the problem of range of application.
Technical scheme of the present invention is: a kind of connector for steel-tube scaffold, comprise sleeve and vertical tube joint, and be provided with the trapezoidal key of four former circumference uniform distributions at the outer peripheral face of this sleeve; The dovetail groove that is respectively equipped with ring-type socket joint platform at the two ends of this vertical tube joint and coordinates with this trapezoidal key, this trapezoidal key inserts in this dovetail groove, it is characterized in that, be provided with through hole or the screw of equidirectional at the interface of described trapezoidal key and this dovetail groove, the fastening screw screw bolt and nut is installed in this through hole or screw.
Two at described vertical tube joint are equipped with protuberance with this dovetail groove relative edge in the same way, a side adjacent with its dovetail groove at this protuberance is provided with the circular arc concave surface, inserts vertical inclined tube joint or a horizontal inclined tube joint in the oblong slot that the circular arc concave surface of two adjacent vertical tube joint protuberances surrounds.
Described vertical inclined tube joint comprises plug and the vertical inclined tube engaging lug that is connected with the one side, the main body of this plug coordinates with described slot, top and bottom at this plug are respectively equipped with top cap and pin-and-hole, and this pin-and-hole exposes described slot bottom and inserts lock pin; This vertical inclined tube engaging lug is provided with vertical inclined tube connecting hole in the middle for vertically tabular.
Described horizontal inclined tube joint comprises plug and the horizontal inclined tube engaging lug that is connected with the one side, the main body of this plug coordinates with described slot, top and bottom at this plug are respectively equipped with top cap and pin-and-hole, and this pin-and-hole exposes described slot bottom and inserts lock pin; This horizontal inclined tube engaging lug is that level is tabular, is provided with in the middle horizontal inclined tube connecting hole.
The dovetail groove that the two ends of described vertical inclined tube joint are respectively equipped with connecting axle and coordinate with this trapezoidal key, this trapezoidal key inserts in this dovetail groove, and this connecting axle is hinged with an end of vertical inclined tube, is provided with pin-and-hole on the top of this connecting axle.
Described vertical inclined tube joint comprises wedge shape plug and U-shaped fork, be provided with respectively the wedge shape through hole corresponding with this wedge shape plug two ends at the two ends of this U-shaped fork, bottom at this U-shaped fork is provided with engaging lug, is provided with the connecting hole that is connected with vertical inclined tube one end on this engaging lug.
Large first end at described wedge shape plug is provided with unwarranted charge, is provided with pin-and-hole at microcephaly's one end of this wedge shape plug, and penetrates lock pin.
Advantage of the present invention is: utilize screw bolt and nut that the dovetail groove of the trapezoidal key of sleeve and joint is mutually fastening, effectively prevented from both mutually breaking away from, stopped potential safety hazard; The slot that utilizes four vertical tube joint protuberances to consist of is connected with the inclined tube of being connected with level, has increased function, goes for the installation of various scaffolds, has enlarged range of application.
Description of drawings
Fig. 1 is the general structure schematic diagram that adopts the scaffold of connection of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the general structure top view of the present invention enlarged drawing of place (in the Fig. 2 P);
Fig. 4 is the A-A sectional view (rotation 45 degree) of Fig. 3;
Fig. 5 is the B-B sectional view of Fig. 3;
Fig. 6 is the perspective view of sleeve pipe of the present invention;
Fig. 7 is the top view of Fig. 6;
Fig. 8 is the left view of Fig. 7;
Fig. 9 is the C-C sectional drawing of Fig. 8;
Figure 10 is the structural representation of vertical tube joint dovetail groove of the present invention one side;
Figure 11 is the left view of Figure 10;
Figure 12 is the rear elevation of Figure 10;
Figure 13 is the D-D sectional view of Figure 10;
Figure 14 is the front view of lock pin of the present invention;
Figure 15 is the right view of Figure 14;
Figure 16 is the front view of horizontal inclined tube joint of the present invention;
Figure 17 is the top view of Figure 16;
Figure 18 is the front view of vertical inclined tube joint of the present invention;
Figure 19 is the top view of Figure 18;
Figure 20 is the front view of the second embodiment of vertical inclined tube joint of the present invention;
Figure 21 is the left view of Figure 20;
Figure 22 is the left view of Figure 21;
Figure 23 is the top view of Figure 22;
Figure 24 is the front view of the 3rd embodiment of vertical inclined tube joint of the present invention;
Figure 25 is the E-E sectional view of Figure 24.
The specific embodiment
Referring to Fig. 3～Figure 19, a kind of connector for steel-tube scaffold of the present invention comprises sleeve 11 and vertical tube joint 12, is provided with the trapezoidal key 111 of four former circumference uniform distributions at the outer peripheral face of this sleeve 11; Be respectively equipped with the dovetail groove 121 and the ring-type socket joint platform 125 that coordinate with this trapezoidal key 111 at the two ends of this vertical tube joint 12, this trapezoidal key 111 inserts in this dovetail groove 121.Be provided with the half slot 112 of equidirectional on the top of described trapezoidal key 111, be provided with half slot 123 in the bottom surface of this dovetail groove 121, composition through hole relative to half slot 112 or screw are installed fastening bolt 13 and nut 16 in this through hole or screw.This fastening bolt 13 can adopt plain bolt or bolt with one end bent back, and the elbow of bolt with one end bent back or the nut of plain bolt can block the trapezoidal key 111 that vertical tube joint 12 breaks away from sleeve 11.
Two at described vertical tube joint 12 are equipped with protuberance 122 with its dovetail groove 121 relative edge in the same way, a side adjacent with its dovetail groove at this protuberance 122 is provided with circular arc concave surface 124, inserts vertical inclined tube joint 15 or a horizontal inclined tube joint 14 in the oblong slot F that the circular arc concave surface 124 of the protuberance 122 of two adjacent vertical tube joints surrounds.
Referring to Figure 16 and Figure 17, described horizontal inclined tube joint 14 comprises plug 142 and the horizontal inclined tube engaging lug 144 that is connected with the one side, the main body of this plug 142 coordinates with described slot F, top and bottom at this plug 142 are respectively equipped with top cap 141 and pin-and-hole 143, and this pin-and-hole 143 exposes described slot F bottom and inserts lock pin shown in Figure 14 17.This horizontal inclined tube engaging lug 144 is that level is tabular, is provided with in the middle horizontal inclined tube connecting hole 145.
Referring to Figure 18 and Figure 19, described vertical inclined tube joint 15 comprises plug 152 and the vertical inclined tube engaging lug 154 that is connected with the one side, the main body of this plug 152 coordinates with described slot F, top and bottom at this plug 152 are respectively equipped with top cap 151 and pin-and-hole 153, and this pin-and-hole 153 exposes described slot F bottom and inserts lock pin shown in Figure 14.This vertical inclined tube engaging lug 154 is provided with vertical inclined tube connecting hole 155 in the middle for vertically tabular.
Referring to Figure 20-Figure 23, the structure of the vertical inclined tube joint 18 of the second embodiment is, the dovetail groove 181 that is respectively equipped with connecting axle 182 at its two ends and coordinates with trapezoidal key 111 on sleeve 11, this trapezoidal key 111 inserts in this dovetail groove 181, this connecting axle 182 is hinged with an end of vertical inclined tube 4 in use, be provided with pin-and-hole 183 on the top of this connecting axle 182, be used for inserting lock pin shown in Figure 14 17.Mounting method with vertical tube joint 12 during use is identical.
Referring to Figure 24-Figure 25, the structure of the vertical inclined tube joint 19 of the third embodiment is, comprise wedge shape plug 191 and U-shaped fork 192, be provided with respectively the wedge shape through hole corresponding with this wedge shape plug 191 two ends at the two ends of this U-shaped fork 192, the wedge shape through hole 195 of upper end is larger, the wedge shape through hole 196 of lower end is less, is provided with engaging lug 193 in the bottom of this U-shaped fork 192, is provided with the connecting hole 194 that is connected with vertical inclined tube 4 one ends on this engaging lug 193.Large first end at described wedge shape plug 191 is provided with unwarranted charge, is provided with pin-and-hole 197 at microcephaly's one end of this wedge shape plug, and penetrates lock pin and carry out fastening.
Referring to Fig. 1-Figure 19, the present invention is enclosed within on standpipe 3 sleeve 11 and welding when using, and ring-type socket joint platform 125 and the transverse pipe of horizontal plane of vertical tube joint 12 is connected the top is connected with longitudinal pipe.Only the dovetail groove 121 of the vertical tube joint 12 of transverse pipe and longitudinal pipe 2 two ends welding need to be inserted in this trapezoidal keys 111 during installation, then installation fastening bolt 13 and nut 16 in half slot 112 and 123 through holes that form or screw.Insert respectively as required vertical inclined tube joint 15 and horizontal inclined tube joint 14 in the slot that the protuberance 122 of four vertical tube joints 12 consists of, the horizontal inclined tube engaging lug 144 of horizontal inclined tube joint 14 be connected the vertical inclined tube engaging lug 154 of inclined tube joint 15 and be connected with the end of horizontal inclined tube 5 and the inclined tube of being connected 4 respectively, just form various netted and have a steel pipe scaffold of inclined pipe structrue.The present invention can increase horizontal inclined tube 5 and connect with the inclined tube of being connected 4, makes scaffold stable strong more.
The above-mentioned vertical inclined tube joint 15 also vertical inclined tube joint 18 of the second embodiment of available Figure 20-shown in Figure 23 replaces, mounting method is identical with the mounting method of vertical tube joint 12, with the trapezoidal key 111 on dovetail groove 181 insertion sleeves 11, this connecting axle 182 is hinged with an end of vertical inclined tube 4 in use, the interior insertion of pin-and-hole 183 lock pin 17 shown in Figure 14 on the top of this connecting axle 182.
The above-mentioned vertical inclined tube joint 15 also vertical inclined tube joint 19 of the 3rd embodiment of available Figure 24-shown in Figure 25 replaces, pass the wedge shape through hole 195 and 196 and the oblong slot F that surrounded by the circular arc concave surface 124 of the protuberance 122 of described adjacent two vertical tube joints 12 at U-shaped fork 192 two ends with wedge shape plug 191, the engaging lug 193 of this U-shaped fork 192 is connected with vertical inclined tube 4 one ends.
Claims (6)
1. a connector for steel-tube scaffold, comprise sleeve and vertical tube joint, is provided with four trapezoidal keys that are uniformly distributed along the circumference at the outer peripheral face of this sleeve, the dovetail groove that is respectively equipped with ring-type socket joint platform at the two ends of this vertical tube joint and coordinates with this trapezoidal key, this trapezoidal key inserts in this dovetail groove, be provided with through hole or the screw of equidirectional at the interface of described trapezoidal key and this dovetail groove, the fastening screw screw bolt and nut is installed in this through hole or screw, it is characterized in that, two at described vertical tube joint are equipped with protuberance with this dovetail groove relative edge in the same way, a side adjacent with its dovetail groove at this protuberance is provided with the circular arc concave surface, insert vertical inclined tube joint or a horizontal inclined tube joint in the oblong slot that the circular arc concave surface of two adjacent vertical tube joint protuberances surrounds.
2. connector for steel-tube scaffold according to claim 1, it is characterized in that, described vertical inclined tube joint comprises plug and the vertical inclined tube engaging lug that is connected with the one side, the main body of this plug coordinates with described slot, top and bottom at this plug are respectively equipped with top cap and pin-and-hole, and this pin-and-hole exposes described slot bottom and inserts lock pin; This vertical inclined tube engaging lug is provided with vertical inclined tube connecting hole in the middle for vertically tabular.
3. connector for steel-tube scaffold according to claim 1, it is characterized in that, described horizontal inclined tube joint comprises plug and the horizontal inclined tube engaging lug that is connected with the one side, the main body of this plug coordinates with described slot, top and bottom at this plug are respectively equipped with top cap and pin-and-hole, and this pin-and-hole exposes described slot bottom and inserts lock pin; This horizontal inclined tube engaging lug is that level is tabular, is provided with in the middle horizontal inclined tube connecting hole.
4. connector for steel-tube scaffold according to claim 1, it is characterized in that, the dovetail groove that the two ends of described vertical inclined tube joint are respectively equipped with connecting axle and coordinate with this trapezoidal key, this trapezoidal key inserts in this dovetail groove, this connecting axle is hinged with an end of vertical inclined tube, is provided with pin-and-hole on the top of this connecting axle.
5. connector for steel-tube scaffold according to claim 1, it is characterized in that, described vertical inclined tube joint comprises wedge shape plug and U-shaped fork, be provided with respectively the wedge shape through hole corresponding with this wedge shape plug two ends at the two ends of this U-shaped fork, bottom at this U-shaped fork is provided with engaging lug, is provided with the connecting hole that is connected with vertical inclined tube one end on this engaging lug.
6. connector for steel-tube scaffold according to claim 5, is characterized in that, is provided with unwarranted charge at the large first end of described wedge shape plug, is provided with pin-and-hole at microcephaly's one end of this wedge shape plug, and penetrates lock pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110314383 CN102392533B (en) | 2011-10-17 | 2011-10-17 | Steel pipe scaffold connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110314383 CN102392533B (en) | 2011-10-17 | 2011-10-17 | Steel pipe scaffold connecting piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102392533A CN102392533A (en) | 2012-03-28 |
| CN102392533B true CN102392533B (en) | 2013-06-26 |
Family
ID=45859905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110314383 Expired - Fee Related CN102392533B (en) | 2011-10-17 | 2011-10-17 | Steel pipe scaffold connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102392533B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074999B (en) * | 2013-02-06 | 2015-05-13 | 宋述泽 | Novel steel pipe scaffold connecting piece |
| CN103541542B (en) * | 2013-10-28 | 2016-03-02 | 梁苏珊 | For the rear envelope formula end joint of shell type steel pipe scaffold horizon bar and application thereof and production technology |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2559530A1 (en) * | 1984-02-10 | 1985-08-16 | Saf Const Met | Set of assembly devices for a structure made up of cylindrical bars, in particular for scaffolding. |
| US5560730A (en) * | 1993-12-17 | 1996-10-01 | Scaffold Connection Corporation | Scaffold system |
| CN2519833Y (en) * | 2001-12-09 | 2002-11-06 | 赵艳 | Fastener for scaffold |
| CN2537779Y (en) * | 2002-03-22 | 2003-02-26 | 赵艳 | Fastener for scaffold |
| DE202004002593U1 (en) * | 2004-02-19 | 2004-06-09 | Wilhelm Layher Vermögensverwaltungs-Gmbh | Termination element for coupling devices of scaffolding frame e.g. for supporting concrete shuttering |
| CN2780895Y (en) * | 2005-02-05 | 2006-05-17 | 宋佩瑜 | Steel pipe scaffold connected by lockable key |
| CN201722916U (en) * | 2010-08-02 | 2011-01-26 | 重庆甲诚建筑材料有限公司 | Wedgy-bottom dovetailing structure with two-way quick assembly or disassembly |
| CN102444273A (en) * | 2011-09-19 | 2012-05-09 | 焦作建工集团有限公司 | Connecting member of socket and spigot type tenon-mortise self-locked steel pipe scaffold |
| CN202248846U (en) * | 2011-10-17 | 2012-05-30 | 宋佩瑜 | Steel pipe scaffold connecting piece |
-
2011
- 2011-10-17 CN CN 201110314383 patent/CN102392533B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2559530A1 (en) * | 1984-02-10 | 1985-08-16 | Saf Const Met | Set of assembly devices for a structure made up of cylindrical bars, in particular for scaffolding. |
| US5560730A (en) * | 1993-12-17 | 1996-10-01 | Scaffold Connection Corporation | Scaffold system |
| CN2519833Y (en) * | 2001-12-09 | 2002-11-06 | 赵艳 | Fastener for scaffold |
| CN2537779Y (en) * | 2002-03-22 | 2003-02-26 | 赵艳 | Fastener for scaffold |
| DE202004002593U1 (en) * | 2004-02-19 | 2004-06-09 | Wilhelm Layher Vermögensverwaltungs-Gmbh | Termination element for coupling devices of scaffolding frame e.g. for supporting concrete shuttering |
| CN2780895Y (en) * | 2005-02-05 | 2006-05-17 | 宋佩瑜 | Steel pipe scaffold connected by lockable key |
| CN201722916U (en) * | 2010-08-02 | 2011-01-26 | 重庆甲诚建筑材料有限公司 | Wedgy-bottom dovetailing structure with two-way quick assembly or disassembly |
| CN102444273A (en) * | 2011-09-19 | 2012-05-09 | 焦作建工集团有限公司 | Connecting member of socket and spigot type tenon-mortise self-locked steel pipe scaffold |
| CN202248846U (en) * | 2011-10-17 | 2012-05-30 | 宋佩瑜 | Steel pipe scaffold connecting piece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102392533A (en) | 2012-03-28 |
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Granted publication date: 20130626 Termination date: 20151017 |
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