CN201687193U - Diagonal member joint of scaffold, diagonal member, and scaffold using joint - Google Patents
Diagonal member joint of scaffold, diagonal member, and scaffold using joint Download PDFInfo
- Publication number
- CN201687193U CN201687193U CN2010201981990U CN201020198199U CN201687193U CN 201687193 U CN201687193 U CN 201687193U CN 2010201981990 U CN2010201981990 U CN 2010201981990U CN 201020198199 U CN201020198199 U CN 201020198199U CN 201687193 U CN201687193 U CN 201687193U
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- China
- Prior art keywords
- clamping apparatus
- scaffold
- draw bar
- diagonal
- pedestal
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- Expired - Lifetime
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Abstract
The utility model relates to a diagonal member joint of a scaffold. The diagonal member joint includes a fixed blocking device, a movable blocking device and a blocking driving device; the blocking driving device is connected with the fixed blocking device in a way capable of moving oppositely; the movable blocking device and the fixed blocking device are connected in a pivotal way; an opening used for clamping a member piece to be clamped is formed between the blocking part of the movable blocking device and the arc part of the fixed blocking device; the blocking driving device leads the movable blocking device to pivot through a support part, thereby reliably connecting the opening with the member piece to be clamped. As the diagonal member in the utility model uses the pivotal diagonal member joint, the diagonal member joint can be suitable for occasions with changed diagonal length, and can improve the stress of the scaffold. Besides, the utility model also has the characteristics of convenient mounting and dismounting, as well as high efficiency.
Description
Technical field
The utility model relates to a kind of diagonal draw bar, particularly relates to a kind of diagonal draw bar of scaffold.
The utility model also 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.
The utility model content
The purpose of this utility model 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 utility model is taked 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 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, abutting part and pivot 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.
Further, described fixedly clamping apparatus also comprises the cavity that is used to insert described movable clamping apparatus, and described cavity is surrounded by the wall of described pedestal and forms.
Further, 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.
Further, 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.
Further, described pedestal has first through hole and/or second through hole and/or at least one third through-hole; Described clamping drive unit inserts and/or is installed in described first through hole; Described active connection inserts and/or is installed in described second through hole; Wear one in described at least one third through-hole and pivot slightly, with pivoting hole on the described pivot part described movable clamping apparatus is connected pivotly with described fixedly clamping apparatus thereby described pivotal pin passes described at least one third through-hole.
Further, 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.
Further, on the non-snap-latch surface of at least one of described curved portions and/or holding section recess is set.
Further, in the outside of described pedestal, corresponding to described first and/or second and/or the place, end of third through-hole have convex.
The utility model 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 utility model also provides a kind of scaffold, it is characterized in that: it comprises the diagonal member of described scaffold.
Diagonal member in the utility model 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 in the utility model 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 in the utility model 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 in the utility model 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 in the utility model.
Fig. 2 is the sectional view of B-B direction among Fig. 1.
Fig. 3 is that fixedly clamping apparatus in the utility model 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 the technical solution of the utility model is elaborated.
Fig. 1 shows the front view under the diagonal draw bar installment state of scaffold in the utility model.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 in the utility model 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 utility model, 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 in the utility model.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 in the utility model 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 in the utility model.
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 in the utility model 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 in the utility model 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 in the utility model 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 in the utility model 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, abutting part and pivot 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. the diagonal draw bar of scaffold as claimed in claim 1 or 2, 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. the diagonal draw bar of scaffold as claimed in claim 3 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 claim 1, the diagonal draw bar of 2,4 each described scaffolds is characterized in that: described pedestal has first through hole and/or second through hole and/or at least one third through-hole; Described clamping drive unit inserts and/or is installed in described first through hole; Described active connection inserts and/or is installed in described second through hole; Wear one in described at least one third through-hole and pivot slightly, with pivoting hole on the described pivot part described movable clamping apparatus is connected pivotly with described fixedly clamping apparatus thereby described pivotal pin passes described at least one third through-hole.
6. the diagonal draw bar of scaffold as claimed in claim 5, 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.
7. as claim 1, the diagonal draw bar of 2,4,6 each described scaffolds 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. the diagonal draw bar of scaffold as claimed in claim 7 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 |
|---|---|---|---|
| CN2010201981990U CN201687193U (en) | 2010-05-21 | 2010-05-21 | Diagonal member joint of scaffold, diagonal member, and scaffold using joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201981990U CN201687193U (en) | 2010-05-21 | 2010-05-21 | Diagonal member joint of scaffold, diagonal member, and scaffold using joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201687193U true CN201687193U (en) | 2010-12-29 |
Family
ID=43375478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201981990U Expired - Lifetime CN201687193U (en) | 2010-05-21 | 2010-05-21 | Diagonal member joint of scaffold, diagonal member, and scaffold using joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201687193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824906A (en) * | 2010-05-21 | 2010-09-08 | 北京金誉达租赁有限公司 | Diagonal draw bar connector of scaffold, diagonal draw bar using same and scaffold |
-
2010
- 2010-05-21 CN CN2010201981990U patent/CN201687193U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824906A (en) * | 2010-05-21 | 2010-09-08 | 北京金誉达租赁有限公司 | Diagonal draw bar connector of scaffold, diagonal draw bar using same and scaffold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101229 Effective date of abandoning: 20111207 |