CN101824906A - Diagonal draw bar connector of scaffold, diagonal draw bar using same and scaffold - Google Patents
Diagonal draw bar connector of scaffold, diagonal draw bar using same and scaffold Download PDFInfo
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- CN101824906A CN101824906A CN 201010178593 CN201010178593A CN101824906A CN 101824906 A CN101824906 A CN 101824906A CN 201010178593 CN201010178593 CN 201010178593 CN 201010178593 A CN201010178593 A CN 201010178593A CN 101824906 A CN101824906 A CN 101824906A
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- scaffold
- draw bar
- clamping apparatus
- diagonal draw
- diagonal
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Abstract
The invention relates to a diagonal draw bar connector of a scaffold. The diagonal draw bar connector comprises a fixed clamping device, a movable clamping device and a clamping drive device, wherein the clamping drive device is connected with the fixed clamping device in a relative motion manner; the movable clamping device is pivoted with the fixed clamping device; the clamping part of the movable clamping device and the arc part of the fixed clamping device form a gap used for clamping a rod piece to be clamped; the movable clamping device pivots through the butting part of the clamping drive device so that the gap and the rod piece to be clamped can be stably connected. As the diagonal draw bar in the invention uses the diagonal draw bar connector which can pivot, the diagonal draw bar can adapt to the occasions that the length of diagonal is changed and the stress of the scaffold can be improved; and the diagonal draw bar connector is also characterized by convenient assembly and disassembly and high efficiency.
Description
Technical field
The present invention relates to a kind of diagonal draw bar, particularly relate to a kind of diagonal draw bar of scaffold.
The invention still further relates to a kind of scaffold diagonal member and scaffold that uses this mitered knock-off joint.
Background technology
Current domestic most of scaffold company does not have special-purpose diagonal member, and its main cause is not have good economical and practical diagonal draw bar.Though some companies uses diagonal member, this diagonal member is adapted to cross bar is connected with the tie point of vertical rod, and the diagonal member of for example wheeled scaffold, ear suspension type scaffold all is to be connected on the tie point of cross bar and vertical rod; The diagonal member that has adopts the mode that buckles on cross bar to connect.The diagonal member that is connected on cross bar and the vertical rod tie point has following shortcoming: the square frame of forming when cross bar and vertical rod has crooked slightly, promptly can cause to a certain degree stretching or compression to the length of the diagonal of this square frame, and the length of diagonal member is fixed, therefore when the length of diagonal changes, be difficult to diagonal member is connected on the tie point of cross bar and vertical rod.In addition, for buckling diagonal member on cross bar, its shortcoming is: because cross bar is not the main stress bar, poor rigidity during its horizontally set, when diagonal member buckles on the cross bar, make cross bar be subjected to the effect of bending force, thereby reduced the overall security and the reliability of scaffold.
Summary of the invention
The purpose of this invention is to provide a kind of economic and practical, easy to connect, stressing conditions good, can adapt to the variation of scaffold catercorner length, diagonal draw bar that be connected with the vertical rod of scaffold, that have high security and reliability, the mitered bar and the scaffold that use this diagonal draw bar.
For solving the problems of the technologies described above, the present invention takes following technical scheme: a kind of diagonal draw bar of scaffold, described diagonal draw bar pivotally is installed in the end of the diagonal member of scaffold, it is characterized in that: described diagonal draw bar comprises fixedly clamping apparatus, movable clamping apparatus and clamping drive unit; Described fixedly clamping apparatus comprises that pedestal states the curved portions that pedestal is connected with described, and described clamping drive unit is connected with described pedestal in mode that can described relatively base motion; Described movable clamping apparatus with fixedly pivotally be connected between the clamping apparatus; Described movable clamping apparatus has holding section and abutting part; Be formed for clamping between the curved portions of the holding section of described movable clamping apparatus and described fixedly clamping apparatus and treat the opening of clamping rod member; Described clamping drive unit makes described movable clamping apparatus pivoted by described abutting part, thereby make of the direction motion of the holding section of described movable clamping apparatus, thereby make described opening treat that with described formation is connected reliably between the clamping rod member to the curved portions of close described fixedly clamping apparatus.
The present invention also provides a kind of diagonal member of scaffold, it is characterized in that, it comprises the diagonal draw bar of described described scaffold.
The present invention also provides a kind of scaffold, it is characterized in that: it comprises the diagonal member of described scaffold.
Diagonal member among the present invention since respectively be provided with at its two ends one relatively diagonal member with the diagonal draw bar of arbitrarily angled pivot, make described diagonal member can adjust the angle of inclination arbitrarily, thereby going for the occasion that catercorner length changes can not produce owing to scaffold diagonal distance does not wait the phenomenon that is difficult to connect, if promptly the scaffold square frame is oblique slightly, its catercorner length changes, and the diagonal member among the present invention can be adjusted angle and still can realize connecting under the constant situation of diagonal member length; From stressing conditions, vertical rod is main bearing bar, directly tiltedly draws vertical rod to draw vertical rod safety and reliability, the diagonal member among the present invention to be connected with vertical rod than indirectly, has therefore improved the stressed of scaffold; On the other hand, only need during installation to screw or unscrew that clamping drive unit 4 can be realized clamping and dismounting with wrench, thus the efficient the during installation and removal that improve; In addition, the diagonal member among the present invention can be connected diagonal member when setting up scaffold upright rod and cross bar, also can connect diagonal member after having set up scaffold, also can use when special place is strengthened especially after setting up scaffold.
Description of drawings
Fig. 1 is the front view under the diagonal draw bar installment state of scaffold among the present invention.
Fig. 2 is the sectional view of B-B direction among Fig. 1.
Fig. 3 is that fixedly clamping apparatus among the present invention is along the sectional view of B-B direction among Fig. 1.
Fig. 4 is the sectional view of A-A direction among Fig. 3.
Fig. 5 is the front view of movable clamping apparatus.
The specific embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is elaborated.
Fig. 1 shows the front view under the diagonal draw bar installment state of scaffold among the present invention.Shown in Fig. 1-2, diagonal draw bar 21 is installed in by active connection 5 on the joint installation portion 3 of end of diagonal member 2, and diagonal draw bar 21 can pivot with respect to mitered bar 2 with arbitrarily angled around active connection 5; The diagonal member 2 of diagonal draw bar 21 is installed, fixedlys connected with vertical rod 1 by the clamping drive unit 4 on the rod head 21.Preferably, described active connection 5 rivets or bolt, described clamping drive unit 4 is bolts.
As shown in Figure 2, the diagonal draw bar among the present invention 21 comprises fixedly clamping apparatus 22, movable clamping apparatus 23 and clamping drive unit 4.
Fig. 3-4 further shows the structure of described fixedly clamping apparatus 22.Shown in Fig. 2-4, described fixedly clamping apparatus 22 comprises pedestal 6, curved portions 7 and cavity 18.Described cavity 18 is to be surrounded by the wall of described pedestal 6 to form, and it is used to insert described movable clamping apparatus 23, and described movable clamping apparatus 23 is connected pivotly with described fixedly clamping apparatus 22.Described pedestal 6 and curved portions 7 can be integrated, also can be to form as one by this area mechanical connection manner commonly used.
Described pedestal 6 has wall, described wall portion is around forming the housing with opening, described enclosure interior is provided with described cavity 18, described movable clamping apparatus 23 is connected with described fixedly clamping apparatus 22 pivotly from the cavity 18 that described opening inserts, and at least a portion of described movable clamping apparatus 23 is stretched out the outside of described pedestal 6 by described opening, described at least a portion of stretching out pedestal can be moved with respect to described curved portions 7, thereby forms the clamping device to vertical rod 1.
As shown in Figure 3-4, on the housing of described pedestal 6, have first through hole 14, second through hole 15 and two coaxial third through-holes 13.Described first through hole 14 is used for inserting and/or described clamping drive unit 4 being installed, and preferably, the mode that described clamping drive unit 4 can be threaded is removably fixedlyed connected with described pedestal 6; Preferably, as shown in Figure 1, in the following time of diagonal draw bar installment state of scaffold in the present invention, described first through hole 14 is arranged on the contact surface on the described housing, adjacent with vertical rod 1.Described second through hole 15 is used for inserting and/or installing described active connection 5, preferably, one end of described second through hole 15 has recess 17, described recess 17 is used for holding at least in part the part of described active connection 5, further, described recess 17 is formed on the inwall of housing of described pedestal 2, to prevent that described active connection 5 is projected in the cavity 18 to the pivots of active connection 5 moving motion and forms and hinder.Two described third through-holes 13 are provided with coaxially, after movable clamping apparatus 23 inserts cavity 18, as shown in Figure 2, pivotal pin 9 passes pivoting hole 20, another third through-hole 13 on a third through-hole 13, the following described movable clamping apparatus 23 successively, thus the pivot bindiny mechanism of formation activity clamping apparatus 23 and pedestal 6; Preferably, the end that is positioned at two described third through-holes 13 of cavity 18 1 sides is formed with convex 16 highlightedly to the inside of described cavity 18, because described convex 16 protrudes in cavity 18, therefore when described movable clamping apparatus 23 inserts cavity 18 and pivots, described pedestal 6 only has two convexes 16 to contact with movable clamping apparatus 23, thereby can reduce the friction when pivoting, only need to use small driving force just can make the pivoted motion of movable clamping apparatus 23.Preferably, described first and/or second and/or third through-hole also form convex highlightedly in the end in the outside of described housing.
Thereby the housing of the described opening part of vicinity of described pedestal 6 outwards extends highlightedly and forms described curved portions 7.Described curved portions 7 has the snap-latch surface inconsistent with vertical rod 1, and described snap-latch surface forms has the shape that matches with the surface of described vertical rod 1; Preferably, described snap-latch surface is provided with decorative pattern or a plurality of projection that is used to increase frictional force.Preferably, weight, minimizing material, saving cost in order to alleviate described diagonal draw bar 21 can be provided with recess 12 on upper and lower two non-snap-latch surfaces of described diagonal draw bar 21.Preferably, the thickness of described curved portions 7 is less than the thickness of pedestal 6.
Fig. 5 shows the front view of the movable clamping apparatus 23 among the present invention.As shown in Figure 5, described movable clamping apparatus 23 has pivot part 19, and described pivot part 19 is provided with pivoting hole 20, also is provided with abutting part 11 and holding section 8 on described pivot part 19 highlightedly.After movable clamping apparatus 23 is pivotally connected to described pedestal 6, described abutting part 18 can be accepted the driving of clamping drive unit 4, described clamping drive unit 4 provides a pivot moment by described abutting part 18 to described movable clamping apparatus 23, under the effect of described pivot moment, described movable clamping apparatus 23 pivots around described pivotal pin 9.Described holding section 8 has the snap-latch surface that fastens with described vertical rod, and described snap-latch surface forms has the shape that matches with the surface of described vertical rod 1; Preferably, described snap-latch surface is provided with decorative pattern or a plurality of projection that is used to increase frictional force.Preferably, weight, minimizing material, saving cost in order to alleviate described diagonal draw bar 21 can be provided with recess 10 on upper and lower two non-snap-latch surfaces of described holding section 8.
Further specify the operating principle of the diagonal draw bar of the scaffold among the present invention below in conjunction with Fig. 2.
Thereby the joint installation portion 3 at the two ends of diagonal member 2 is separately installed with a diagonal draw bar 21 by active connection 5 and forms diagonal member 2 required for protection among the present invention.
First step is fixed to vertical rod 1 with an end of diagonal member 2.The clamping drive unit 4 of the diagonal draw bar 2 of diagonal member 2 one ends is back-outed to the outside of pedestal 6, thereby the holding section 8 of described movable clamping apparatus 23 can be pivoted to direction away from the fixing curved portions 7 of clamping apparatus 22, and make the opening between described holding section 8 and the curved portions 7 be enough to hold vertical rod 1, then the described holding section 8 on the diagonal draw bar 21 and the opening between the curved portions 7 are buckled into the predetermined connecting portion of vertical rod 1, and its clamping drive unit 4 is screwed into to the inside of pedestal 6, make clamping drive unit 4 and abutting part 11 inconsistent, thereby for described movable clamping apparatus 23 provides a pivot moment, under the effect of described pivot moment, described movable clamping apparatus 23 pivots around described pivotal pin 9, the holding section 8 that is movable clamping apparatus 23 is pivoted to the direction of the curved portions 7 of approaching described fixedly clamping apparatus 22, thereby forms certain pretightning force.
Second step, because diagonal draw bar 21 can pivot with respect to mitered bar 2 with arbitrarily angled around active connection 5, therefore rotate diagonal member 2 and just can adjust the angle of inclination of the fixing described diagonal member 2 of a described end, thereby make the diagonal draw bar 21 of the other end of described diagonal member 2 be positioned at the correct position place that another vertical rod 1 is connected; Described correct position is to instigate the holding section 8 of diagonal draw bar 21 of the described other end and the position that the opening between the curved portions 7 just in time can snap in described another vertical rod 1.
Third step, adopt the method in the first step as described, make the holding section 8 and the opening between the curved portions 7 of the diagonal draw bar 21 of the described other end be enough to hold described another vertical rod 1, and rotate the diagonal draw bar 21 of the described other end so that the direction of the described opening between its holding section 8 and the curved portions 7 and described another vertical rod 1 is consistent, then the holding section 8 on the diagonal draw bar 21 of the described other end and the opening between the curved portions 7 are buckled into the described correct position of described another vertical rod 1, and form certain pretightning force according to the described method of described first step.
The 4th step continue to drive two described clamping drive units 4 at described diagonal member 2 two ends, up to the enough chucking powers of formation between the holding section 8 of each diagonal draw bar 21 and the opening between the curved portions 7 and the vertical rod 1 accordingly.
Diagonal member among the present invention since respectively be provided with at its two ends one relatively diagonal member with the diagonal draw bar of arbitrarily angled pivot, make described diagonal member can adjust the angle of inclination arbitrarily, thereby going for the occasion that catercorner length changes can not produce owing to scaffold diagonal distance does not wait the phenomenon that is difficult to connect, if promptly the scaffold square frame is oblique slightly, its catercorner length changes, and the diagonal member among the present invention can be adjusted angle and still can realize connecting under the constant situation of diagonal member length; From stressing conditions, vertical rod is main bearing bar, directly tiltedly draws vertical rod to draw vertical rod safety and reliability, the diagonal member among the present invention to be connected with vertical rod than indirectly, has therefore improved the stressed of scaffold; On the other hand, only need during installation to screw or unscrew that clamping drive unit 4 can be realized clamping and dismounting with wrench, thus the efficient the during installation and removal that improve; In addition, the diagonal member among the present invention can be connected diagonal member when setting up scaffold upright rod and cross bar, also can connect diagonal member after having set up scaffold, also can use when special place is strengthened especially after setting up scaffold.
Claims (10)
1. the diagonal draw bar of a scaffold, described diagonal draw bar pivotally is installed in the end of the diagonal member of scaffold, it is characterized in that: described diagonal draw bar comprises fixedly clamping apparatus, movable clamping apparatus and clamping drive unit;
Described fixedly clamping apparatus comprises the curved portions that pedestal is connected with described pedestal, and described clamping drive unit is connected with described pedestal in mode that can described relatively base motion;
Described movable clamping apparatus with fixedly pivotally be connected between the clamping apparatus; Described movable clamping apparatus has holding section and abutting part;
Be formed for clamping between the curved portions of the holding section of described movable clamping apparatus and described fixedly clamping apparatus and treat the opening of clamping rod member;
Described clamping drive unit makes described movable clamping apparatus pivoted by described abutting part, thereby make the direction motion of the holding section of described movable clamping apparatus to the curved portions of close described fixedly clamping apparatus, so that described opening treats that with described formation is connected reliably between the clamping rod member.
2. the diagonal draw bar of scaffold as claimed in claim 1, it is characterized in that: described fixedly clamping apparatus also comprises the cavity that is used to insert described movable clamping apparatus, described cavity is surrounded by the wall of described pedestal and forms.
3. as the diagonal draw bar of the described scaffold of above-mentioned each claim, it is characterized in that: described pedestal has opening, and described movable clamping apparatus is connected pivotly with described fixedly clamping apparatus after the opening part of described pedestal inserts described cavity.
4. as the diagonal draw bar of the described scaffold of above-mentioned each claim, it is characterized in that: the outside of described pedestal and can be with respect to described curved portions motion stretched out by the opening of described pedestal in the holding section of described movable clamping apparatus.
5. as the diagonal draw bar of the described scaffold of above-mentioned each claim, it is characterized in that: described pedestal has first through hole and/or second through hole and/or at least one third through-hole; Described first through hole is used for inserting and/or described clamping drive unit being installed, preferably, described clamping drive unit removably or the mode that is threaded fixedly connected with described pedestal; Described second through hole is used for inserting and/or described active connection being installed, and preferably, an end of described second through hole has recess, and described recess is used for holding at least in part the part of described active connection; Wearing one in described at least one third through-hole pivots slightly, preferably, thus described pivotal pin passes described at least one third through-hole is connected described movable clamping apparatus with pivoting hole on the described movable clamping apparatus pivotly with described fixedly clamping apparatus.
6. as the diagonal draw bar of the described scaffold of above-mentioned each claim, it is characterized in that: described curved portions and/or holding section have and the described snap-latch surface for the treatment of that the clamping rod member is inconsistent, and described snap-latch surface forms has the shape that matches with described surface for the treatment of the clamping rod member; Preferably, described snap-latch surface is provided with decorative pattern or a plurality of projection that is used to increase frictional force.
7. as the diagonal draw bar of the described scaffold of above-mentioned each claim, it is characterized in that: on the non-snap-latch surface of at least one of described curved portions and/or holding section recess is set.
8. as the diagonal draw bar of the described scaffold of above-mentioned each claim, it is characterized in that: in the outside of described pedestal, corresponding to described first and/or second and/or the place, end of third through-hole have convex.
9. the diagonal member of a scaffold is characterized in that, it comprises the diagonal draw bar of described each described scaffold of claim 1-8.
10. scaffold, it is characterized in that: it comprises the diagonal member of scaffold as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101785932A CN101824906B (en) | 2010-05-21 | 2010-05-21 | Diagonal draw bar connector of scaffold, diagonal draw bar using same and scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101785932A CN101824906B (en) | 2010-05-21 | 2010-05-21 | Diagonal draw bar connector of scaffold, diagonal draw bar using same and scaffold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101824906A true CN101824906A (en) | 2010-09-08 |
| CN101824906B CN101824906B (en) | 2011-09-07 |
Family
ID=42689051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101785932A Expired - Fee Related CN101824906B (en) | 2010-05-21 | 2010-05-21 | Diagonal draw bar connector of scaffold, diagonal draw bar using same and scaffold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101824906B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1165055A (en) * | 1967-06-23 | 1969-09-24 | Bernhard Schwarz | A Connector for Scaffolding. |
| US5427465A (en) * | 1992-09-25 | 1995-06-27 | Sato; Masataro | Clamp fitment for connecting pipe sections |
| CN2447464Y (en) * | 2000-11-02 | 2001-09-12 | 葛莫华 | Rapid and safety fastening |
| EP1329571A2 (en) * | 2002-01-18 | 2003-07-23 | Firma Zarges GmbH & Co. KG | Scaffold connector |
| JP2005133457A (en) * | 2003-10-31 | 2005-05-26 | Iwakuma Toshiteru | Clamping device for scaffolding |
| CN201687193U (en) * | 2010-05-21 | 2010-12-29 | 北京金誉达租赁有限公司 | Diagonal member joint of scaffold, diagonal member, and scaffold using joint |
-
2010
- 2010-05-21 CN CN2010101785932A patent/CN101824906B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1165055A (en) * | 1967-06-23 | 1969-09-24 | Bernhard Schwarz | A Connector for Scaffolding. |
| US5427465A (en) * | 1992-09-25 | 1995-06-27 | Sato; Masataro | Clamp fitment for connecting pipe sections |
| CN2447464Y (en) * | 2000-11-02 | 2001-09-12 | 葛莫华 | Rapid and safety fastening |
| EP1329571A2 (en) * | 2002-01-18 | 2003-07-23 | Firma Zarges GmbH & Co. KG | Scaffold connector |
| JP2005133457A (en) * | 2003-10-31 | 2005-05-26 | Iwakuma Toshiteru | Clamping device for scaffolding |
| CN201687193U (en) * | 2010-05-21 | 2010-12-29 | 北京金誉达租赁有限公司 | Diagonal member joint of scaffold, diagonal member, and scaffold using joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101824906B (en) | 2011-09-07 |
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Granted publication date: 20110907 Termination date: 20140521 |