CN103147566B - Scaffold diagonal-bracing fastener and sliding sleeve thereof - Google Patents
Scaffold diagonal-bracing fastener and sliding sleeve thereof Download PDFInfo
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- CN103147566B CN103147566B CN201310105738.XA CN201310105738A CN103147566B CN 103147566 B CN103147566 B CN 103147566B CN 201310105738 A CN201310105738 A CN 201310105738A CN 103147566 B CN103147566 B CN 103147566B
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- slide block
- sliding sleeve
- steel pipe
- diagonal brace
- swelling slide
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Abstract
The invention relates to the field of scaffold fasteners, in particular to a scaffold diagonal-bracing fastener and a sliding sleeve thereof. The fastener comprises the sliding sleeve which can be sleeved on a scaffold steel tube in a sliding manner, wherein two hinged supports, which are assembled with pressure covers and hasps in a hinged way respectively, are oppositely arranged at the outer side of the sliding sleeve; the hinged axes of the hinged supports are parallel to each other and spatially crossed with the central line of the sliding sleeve; a set included angle of 30 degrees to 60 degrees is formed between the central line of the sliding sleeve and each of the hinged axes of the two hinged supports; a containing port for containing the scaffold steel tube is enclosed by the upper parts of the two hinged supports; an expansion block installation slot is enclosed by the lower parts of the two hinged supports; an opening is formed in the sleeve wall of the sliding sleeve at a position between the two hinged supports; a pressing slide block for pressing the scaffold steel tube in the sliding sleeve is assembled in the opening; and an expanding slide block which is wedged between the scaffold steel tube in the containing port and the pressing slide block is assembled in the expansion block installation slot. The scaffold diagonal-bracing fastener simultaneously has the characteristics of being convenient to operate, reliable in fixation and unlikely to lose.
Description
Technical field
The present invention relates to scaffold clasp field, particularly relate to a kind of scaffold diagonal brace fastener and sliding sleeve thereof.
Background technology
The performances such as fastener type steel pipe scaffold is flexible with it, reliable, convenient obtain more and more for apply widely in building site.Wherein fastener is as the link between steel pipe and steel pipe, all plays vital effect to the fastness of scaffold, reliability, convenience.In a complete connection system for guide rail, fastener is divided into clasp and cross buckle, be used for docking two steel pipes to clasp, cross buckle is divided into again cruciform fastening for falsework and diagonal brace fastener, they are all for carrying out " binding " two steel pipes crossed one another, wherein cruciform fastening for falsework be used for square crossing two steel pipes between fixing, tiltedly supportting fastener is then between main body steel pipe and diagonal brace steel pipe, i.e. fixing between two steel pipes of non-perpendicular intersection.Use the most general cross buckle for the rotary cross buckle of one in current scaffold field, this button enjoys user to favor owing to can realize power and energy between cruciform fastening for falsework and diagonal brace fastener by rotation, " but fish and bear's paw; be unable to have both at one and the same time ", this rotary cross buckle does not get a desired effect in concrete use procedure, it still also exists a series of problem, hereafter the structure in conjunction with rotary cross buckle is analyzed its Problems existing.
Above-mentioned rotary buckle forms primarily of two linkage unit docking, each linkage unit includes fixture block and holds down assembly, a side of fixture block offers the arc positioning supports groove (groove) for corresponding steel pipe orientation assemble, hold down assembly and be assemblied on this side of fixture block equally, it is made up of arc gland and T-shaped hasp, gland and T-shaped other position of deducting points is hinged on fixture block by its respective one end at positioning supports groove one both sides place, and one end of gland has U-shaped bayonet socket, can around its pin joint separately upset gland and T-shaped hasp during use, gland is compressed in the bayonet socket making one end of hasp snap on gland by the top of hasp, thus realize being opposite to fixture block and steel pipe banding between holding down assembly locks.The fixture block of two linkage units is linked together by a connecting axle and can relatively rotate around connecting axle, by rotating the intersecting angle between positioning supports groove that fixture block can adjust fixture block, when angle between two positioning supports grooves is between 30 °-60 °, whole fastener just forms diagonal brace fastener, during use, as follows to its installation steps: first to make the trough wall surface of one of them positioning supports groove contact with the outer peripheral face of basic steel pipe, cover corresponding gland, then corresponding hasp is snapped in the bayonet socket of gland, so just, achieve being connected of one of them linkage unit and basic steel pipe, then identical method is adopted to realize being connected of another linkage unit and diagonal brace steel pipe, can the connection of optimized integration steel pipe and diagonal brace steel pipe.And when dismantling, successively hasp is pounded out in the draw-in groove of correspondence.There are the following problems for this fastener: 1, because the dismounting of fastener and basic steel pipe, diagonal brace steel pipe all needs to beat each self-corresponding hasp, dismounting bothers; 2, be only to be coordinated with the overlap joint of gland by hasp that to realize steel pipe fixing owing to holding down assembly, and the safety measures not containing other in fastener entirety, this makes the reliability coordinated between hasp with gland be difficult to be guaranteed, and very easily occurs the phenomenon that hasp unclamps automatically during use; 3, beat hasp due to employing and realize dismounting, once operate miss, whole fastener easily drops, and especially when dismantling, when last hasp is pounded out, more easily dropping, affecting the dismounting of scaffold; 4, this fastener is convenient to steel pipe and is separated completely after being removed, and very easily loses because of factors such as accidental fallings, investigation display, and the loss of fastener has become one of the problem of construction party headache the most.
Summary of the invention
The object of the present invention is to provide a kind of easy to operate, fixing reliable and be not easy the scaffold diagonal brace fastener lost.
Meanwhile, the present invention also aims to the sliding sleeve that above-mentioned scaffold diagonal brace fastener is provided.
In order to solve the problem, scaffold diagonal brace fastener of the present invention is by the following technical solutions: scaffold diagonal brace fastener, comprise the sliding sleeve for being slidably enclosed within scaffolding steel pipe, the outside of sliding sleeve is provided with two for distinguishing the free bearing of hinge mounted gland and hasp, these two free bearings are positioned opposite, their hinge axes is parallel to each other and space crossed with the center line of sliding sleeve, there is between the hinge axes of the center line of sliding sleeve and two free bearings the setting angle of 30 °-60 ° separately, the socket for accommodating scaffolding steel pipe is surrounded between the top of two free bearings, expansion block mounting groove is surrounded between the bottom of the two, position on the jacket wall of sliding sleeve between two free bearings is provided with inside and outside penetrating opening, the pressed slider for compressing the scaffolding steel pipe in sliding sleeve is equipped with in opening, be equipped with in expansion block mounting groove for the swelling slide block between the scaffolding steel pipe of wedging in socket and pressed slider.
The side of the slide block of swelling dorsad of pressed slider has the cambered surface with the scaffolding steel pipe adaptation in sliding sleeve.
The groove bottom of expansion block mounting groove be along in the direction of advance of swelling slide block when wedging gradually to the inclined-plane of lopsidedness deviating from swelling slide block, described cambered surface is made up of the medial surface of arc-shaped slot set on pressed slider, in two cell walls of described arc-shaped slot swelling slide block in wedging time direction of advance on be positioned at one of front lower than another.
Described setting angle is 45 °.
The side of pressed slider is provided with gear cap, and gear cap is arranged in expansion block mounting groove, and the groove bottom of expansion block mounting groove coordinates with block between gear cap.
Being assemblied in expansion block mounting groove of described swelling slide block anticreep.
One in the cell wall of expansion block mounting groove and the respective side walls of swelling slide block is provided with guide groove, another is provided with the sliver corresponding with guide groove, described guide groove coordinates with sliver and prevents swelling slide block from deviating from from the notch of expansion block mounting groove, and the bulge-structure that swelling slide block is established by its two ends place coordinates with sliding sleeve anticreep on its wedging direction.
Notch or bottom land inclination gradually to expansion block mounting groove in sliver and the guide groove direction of advance all when the wedging of swelling slide block, the incline direction of the two is identical.
The side of the described dorsad opening of swelling slide block has the cambered surface for the outline adaptation with the scaffolding steel pipe in socket.
Described swelling slide block is voussoir and the respective side of its side towards pressed slider and pressed slider keeps fitting.
Described swelling slide block is provided with the scale being used to indicate its assembling degree of depth.
The side towards described opening of swelling slide block is provided with anti-skidding striped, and the bearing of trend of anti-skidding striped is identical with the glide direction of swelling slide block, and pressed slider is provided with the striped be engaged with the anti-skidding striped on swelling slide block.
One in two free bearings is hinged with the gland for compressing the scaffolding steel pipe in socket, another is hinged with the hasp corresponding with gland, described socket is in the circular arc with the outline adaptation of scaffolding steel pipe, and the medial surface of gland is the arc surface for the outline adaptation with scaffolding steel pipe.
Described hasp is T-shaped button, and gland is overlapped with hasp by the bayonet socket that its one end away from corresponding free bearing is arranged and coordinates.
Also be provided with the groove for installing wedge block inside described sliding sleeve, this groove is sliding sleeve groove axially.
Sliding sleeve of the present invention is by the following technical solutions: sliding sleeve, for being slidably enclosed within scaffolding steel pipe, two are provided with for distinguishing the free bearing of hinge mounted gland and hasp outside it, these two free bearings are positioned opposite, their hinge axes is parallel to each other and space crossed with the center line of sliding sleeve, there is between the hinge axes of the center line of sliding sleeve and two free bearings the setting angle of 30 °-60 ° separately, the socket for accommodating scaffolding steel pipe is surrounded between the top of two free bearings, expansion block mounting groove is surrounded between the bottom of the two, position on the jacket wall of sliding sleeve between two free bearings is provided with inside and outside penetrating, for installing the opening of pressed slider.
The cell wall of expansion block mounting groove is provided with sliver for stoping swelling slide block to be deviate from from its notch or guide groove.
Described setting angle is 45 °.
When using the diagonal brace steel pipe of this scaffold diagonal brace fastener fixing feet hand cradle and basic steel pipe, first hinge mounted gland and hasp can be distinguished on two free bearings of described sliding sleeve, then sliding sleeve is enclosed within the basic steel pipe (diagonal brace steel pipe) of scaffold, position is looked for by making to slide over the upper slip of basic steel pipe (diagonal brace steel pipe), after finding desired location, diagonal brace steel pipe (basic steel pipe) is radially placed in the socket place between two free bearings, coordinate after diagonal brace steel pipe (basic steel pipe) preliminary latch by hasp with gland, knock swelling slide block from the corresponding end of swelling slide block and just can extrude diagonal brace steel pipe (basic steel pipe) and pressed slider simultaneously, and then realize the basic steel pipe of scaffold and the locking of diagonal brace steel pipe.First, owing to being adopt the mode of swelling slide block swelling to realize the interlocking between basic steel pipe and diagonal brace steel pipe, when being subject to the reaction force of the other side, swelling slide block only can become more and more tighter, and basic steel pipe and the relative movement of diagonal brace steel pipe of scaffold can not be made, in addition, because swelling slide block is between basic steel pipe and diagonal brace steel pipe, under the barrier effect of basic steel pipe and diagonal brace steel pipe, it is reduced greatly by the possibility touched down, thus the accident avoiding fastener loosens, improve the security performance of fastener; , can be known by the description of the use procedure of above contacting piece, this fastener only needs operation gland in use, then knocks swelling slide block, convenient to operation meanwhile, thus also improves the convenience of operation fastener; Moreover, because this fastener is after unclamping basic steel pipe and diagonal brace steel pipe, on one both sliding sleeve is arranged in all the time, can fall, thus also fundamentally solve the loss problem of scaffold clasp.In sum, this scaffold diagonal brace fastener possesses easy to operate, fixing reliable simultaneously and is not easy the characteristic of losing.
Further, cambered surface on pressed slider can play the effect that protection is arranged in the scaffolding steel pipe of sliding sleeve on the one hand, avoid scaffolding steel pipe compressive strain, also can increase the contact area with scaffolding steel pipe, the reliability that further guarantee combines therebetween on the other hand; The groove bottom of expansion block mounting groove being set to inclined-plane is conveniently to the assembling of swelling slide block, in this case, when compressing the scaffolding steel pipe in sliding sleeve, the two ends of pressed slider need the degree of depth embedded in opening to be actually not wait, therefore, make in two cell walls of described arc-shaped slot swelling slide block in wedging time direction of advance on be positioned at of front lower than another time, the two ends being conducive to realizing pressed slider do not embed the degree of depth in opening not etc., thus ensure that the area that cambered surface on pressed slider and scaffolding steel pipe are fitted reaches maximization; Setting angle is set to 45 ° can make the angle of the insertion end of diagonal brace steel pipe and traversing through end equal, is convenient to carry out docking to diagonal brace steel pipe and extends; Gear cap can avoid pressed slider to drop from the inner side of sliding sleeve, thus plays the effect preventing pressed slider from losing to a certain extent; Can prevent swelling slide block from losing on the one hand being assemblied in expansion block mounting groove of swelling slide block anticreep, can coordinate with gear cap on the other hand prevents pressed slider from losing, and the falling object from high altitude accident also fundamentally having stopped thus to drop when dismantling fastener due to swelling slide block or pressed slider and cause occurs; On swelling slide block, the effect of cambered surface is identical with the effect of the cambered surface on pressed slider, and the cambered surface just on swelling slide block coordinates with the scaffolding steel pipe in socket; Adopt voussoir can relax the requirement of the shape to the expansion block mounting groove in sliding sleeve as swelling slide block, facilitate the processing to sliding sleeve, making swelling slide block and pressed slider keep fitting is tension force moment in order to swelling slide block act directly between the scaffolding steel pipe in pressed slider and socket; Scale on swelling slide block can give operator with instruction, to make operator understand the whether swelling of swelling slide block, in order to avoid wedged dark and damaged scaffolding steel pipe (basic steel pipe or diagonal brace steel pipe); Striped on swelling slide block and pressed slider can make the two one integrated mass, cannot mutually swing both ensureing further when mutual jam-packed; Groove inside sliding sleeve may be used for wedging corresponding wedge block, thus realizes and the pre-fixing of sliding sleeve.
Accompanying drawing explanation
Fig. 1 is the using state figure of the embodiment 1 of scaffold diagonal brace fastener;
Fig. 2 is the using state figure of embodiment 1 under another visual angle of scaffold diagonal brace fastener;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the first stereogram of the sliding sleeve in Fig. 1;
Fig. 5 is the second stereogram of the sliding sleeve in Fig. 1;
Fig. 6 is the first stereogram of the swelling slide block in Fig. 1;
Fig. 7 is the second stereogram of the swelling slide block in Fig. 1;
Fig. 8 is the first stereogram of the jacking sliding block in Fig. 1;
Fig. 9 is the second stereogram of the jacking sliding block in Fig. 1;
Figure 10 is the structural representation of the embodiment 1 of scaffold diagonal brace fastener;
Figure 11 is the structural representation of the hasp in Fig. 8;
Figure 12 is the using state figure of the embodiment 2 of scaffold diagonal brace fastener;
Figure 13 is the structural representation of the embodiment 1 of sliding sleeve;
Figure 14 is the structural representation of the embodiment 2 of sliding sleeve.
Detailed description of the invention
The embodiment 1 of scaffold diagonal brace fastener, as shown in figs. 1-11, comprise sliding sleeve 11, swelling slide block 12 and pressed slider 13, sliding sleeve 11 is for being slidably enclosed within the basic steel pipe 14 of scaffold in use, two free bearings 15 are provided with outside it, these two free bearings are positioned opposite, their hinge axes is parallel to each other and space crossed with the center line of sliding sleeve, there is between the hinge axes of the center line of sliding sleeve and two free bearings the setting angle of 45 ° separately, one of them free bearing is hinged with the gland 16 for compressing corresponding scaffolding steel pipe, another is hinged with the hasp 17 corresponding with gland 16, in the present embodiment, hasp 17 is T-shaped button, gland 16 is overlapped with hasp 17 by the bayonet socket 101 that its one end away from corresponding free bearing is arranged and coordinates, and the medial surface of gland 16 is the arc surface with the outline adaptation of the diagonal brace steel pipe 18 of scaffold, wherein hasp 17 is prior art with the structure of gland 16, it will not go into details herein.In addition, dotted line sign part in the socket 102(figure for the diagonal brace steel pipe of accommodating scaffold is surrounded) between the top of two free bearings, the top of socket 102 is in the circular arc with the outline adaptation of diagonal brace steel pipe 18, meanwhile, dotted line sign part in the expansion block mounting groove 103(figure for installing swelling slide block 12 is surrounded) between the bottom of two free bearings, in the present embodiment, the groove bottom of expansion block mounting groove 103 be along in the direction of advance of swelling slide block 12 when wedging gradually to the inclined-plane of lopsidedness deviating from swelling slide block 12, position on the jacket wall of sliding sleeve 11 between two free bearings is provided with inside and outside penetrating opening 104, opening 104 is just positioned on the bottom land of expansion block mounting groove 103.
Swelling slide block 12 is arranged in expansion block mounting groove 103, pressed slider 13 is assemblied in opening 104, in the present embodiment, swelling slide block 12 adopts voussoir, it is thickening gradually from front to back along direction of advance during swelling, in addition, the side of the opening dorsad 104 of swelling slide block 12 has the cambered surface with the outline adaptation of the relevant position of diagonal brace steel pipe 18, simultaneously, in order to indicate the wedging degree of depth of swelling slide block 12 in order to avoid damage basic steel pipe and the diagonal brace steel pipe of scaffold by pressure, swelling slide block 12 is also provided with scale (not shown), in the present embodiment, this scale is located on the side elevation of swelling slide block 12, namely be located on the side relative with the cell wall of expansion block mounting groove 103 of swelling slide block 12, lose to prevent swelling slide block 12, two side elevations of swelling slide block 12 are also provided with sliver 19, the cell wall of expansion block mounting groove 103 is provided with the guide groove 105 corresponding with sliver 19, in the present embodiment, sliver and the guide groove direction of advance all when the wedging of swelling slide block tilts to the bottom land of expansion block mounting groove gradually, sliver 19 and guide groove 105 are worked in coordination and swelling slide block 12 can be stoped to deviate from from the notch of expansion block mounting groove 103, it is to be noted herein, swelling slide block can be stoped to deviate from from the notch of expansion block mounting groove 103 although sliver 19 coordinates with guide groove 105, but be matched in clearance therebetween, this makes swelling slide block 12 can remain when being subject to the pressure of diagonal brace steel pipe 18 to contact with pressed slider 13, thus sliver 19 can be avoided stressed, sliver 19 is herein only the effect playing spacing anticreep, the two ends place of swelling slide block 12 is also respectively equipped with Stop structure, in the present embodiment, Stop structure adopts the protuberance 20 being located at swelling slide block corresponding end, this protuberance 20 makes swelling slide block 12 cannot deviate from from the end of expansion block mounting groove 103, in addition, swelling slide block 12 on the side of pressed slider 13, be also provided with anti-skidding striped (not shown), the glide direction of anti-skidding striped swelling slide block extends.
The side adjacent with swelling slide block 12 of pressed slider 13 is provided with and keeps off cap 21, gear cap 21 is arranged in expansion block mounting groove 103, the groove bottom of expansion block mounting groove 103 coordinates with block between gear cap 21, thus can prevent pressed slider 13 from coming off from the inner side of sliding sleeve 11, the lateral surface of gear cap 21 is provided with the anti-skidding striped corresponding with the anti-skidding striped on swelling slide block 12, the anti-skidding striped on gear cap 21 and anti-skidding striped on swelling slide block 12 engaged, in addition, the side of the slide block of swelling dorsad of pressed slider 13 has the cambered surface corresponding with basic steel pipe 14, described cambered surface is made up of the medial surface of arc-shaped slot set on pressed slider, suppose that the direction of advance of swelling slide block when wedging is front herein, namely be move forward during its wedging, then in the present embodiment, one of front is positioned at lower than another at two cell walls (wall) of swelling slide block in two cell walls of described arc-shaped slot, mention in (first paragraph) due to above, the groove bottom of expansion block mounting groove is inclined-plane, and according to the operating principle of this fastener, pressed slider 13 by during swelling ram extrusion its gear cap rear end fit with the bottom land of expansion block mounting groove all the time, its position is almost constant, when being subject to the swelling effect of swelling slide block, it is be hinged on sliding sleeve 11 by rear end that pressed slider 13 is now similar to, if the both sides cell wall of the arc-shaped slot therefore on pressed slider is contour, the cell wall at its front end place then will certainly be caused " to scratch " in the tube wall of basic steel pipe 14, thus form the linear contact lay with basic steel pipe, this obviously can reduce the adhesion between pressed slider and basic steel pipe, make in the present embodiment to be positioned at one of front lower than after another at two cell walls (wall) of swelling slide block in two cell walls of arc-shaped slot, effectively can increase the contact area between cambered surface on pressed slider and basic steel pipe, increase adhesion therebetween.
The embodiment 2 of scaffold diagonal brace fastener of the present invention, as shown in figure 12, the difference of the present embodiment and embodiment 1 is only, sliding sleeve also has heaves by its jacket wall radial direction the protuberance 111 formed, this protuberance 111 and free bearing are distributed in the relative both sides place of sliding sleeve, this cross buckle also comprises can separately join with the wedge block 112(of fixing corresponding scaffolding steel pipe for wedging in the groove that formed inside protuberance), the U-shaped profile of the groove wherein formed inside protuberance 111.
In other embodiment of scaffold diagonal brace fastener, the hasp described in above-described embodiment 1,2 can also be " 7 " font, and in such cases, the described bayonet socket on gland just can omit; As long as described swelling slide block can play the effect of swelling between basic steel pipe and diagonal brace steel pipe, its concrete shape is unrestricted; In addition, also expansion block mounting groove can be set as oat tail groove structure, and make it narrow gradually from one end to the other end, shoal, then swelling slide block is set as substantially in cuboid, but be also from one end to the other end narrow gradually, thinning shape, prevent swelling slide block from the ability notch of expansion block mounting groove with this and wherein one bring out and come off; During concrete use, also sliding sleeve can be enclosed within diagonal brace steel pipe, then come to coordinate with basic steel pipe basic steel pipe and diagonal brace steel pipe are fixed together by described gland and hasp; Described setting angle can also be selected between 30 °-60 °.
The embodiment 1 of sliding sleeve of the present invention, as shown in figure 13, the structure of this sliding sleeve is identical with the structure of the sliding sleeve described in the embodiment 1 of above-mentioned scaffold diagonal brace fastener.
The embodiment 2 of sliding sleeve of the present invention, as shown in figure 14, the structure of this sliding sleeve is identical with the structure of the sliding sleeve described in the embodiment 2 of above-mentioned scaffold diagonal brace fastener.
Claims (17)
1. scaffold diagonal brace fastener, it is characterized in that, comprise the sliding sleeve for being slidably enclosed within scaffolding steel pipe, the outside of sliding sleeve is provided with two for distinguishing the free bearing of hinge mounted gland and hasp, these two free bearings are positioned opposite, their hinge axes is parallel to each other and space crossed with the center line of sliding sleeve, there is between the hinge axes of the center line of sliding sleeve and two free bearings the setting angle of 30 °-60 ° separately, the socket for accommodating scaffolding steel pipe is surrounded between the top of two free bearings, expansion block mounting groove is surrounded between the bottom of the two, position on the jacket wall of sliding sleeve between two free bearings is provided with inside and outside penetrating opening, the pressed slider for compressing the scaffolding steel pipe in sliding sleeve is equipped with in opening, be equipped with in expansion block mounting groove for the swelling slide block between the scaffolding steel pipe of wedging in socket and pressed slider.
2. scaffold diagonal brace fastener according to claim 1, is characterized in that, the side of the slide block of swelling dorsad of pressed slider has the cambered surface with the scaffolding steel pipe adaptation in sliding sleeve.
3. scaffold diagonal brace fastener according to claim 2, it is characterized in that, the groove bottom of expansion block mounting groove be along in the direction of advance of swelling slide block when wedging gradually to the inclined-plane of lopsidedness deviating from swelling slide block, described cambered surface is made up of the medial surface of arc-shaped slot set on pressed slider, in two cell walls of described arc-shaped slot swelling slide block in wedging time direction of advance on be positioned at one of front lower than another.
4. scaffold diagonal brace fastener according to claim 1, is characterized in that, described setting angle is 45 °.
5. the scaffold diagonal brace fastener according to claim 1 or 2 or 3 or 4, it is characterized in that, the side of pressed slider is provided with gear cap, and gear cap is arranged in expansion block mounting groove, and the groove bottom of expansion block mounting groove coordinates with block between gear cap.
6. scaffold diagonal brace fastener according to claim 5, is characterized in that, being assemblied in expansion block mounting groove of described swelling slide block anticreep.
7. scaffold diagonal brace fastener according to claim 6, it is characterized in that, one in the cell wall of expansion block mounting groove and the respective side walls of swelling slide block is provided with guide groove, another is provided with the sliver corresponding with guide groove, described guide groove coordinates with sliver and prevents swelling slide block from deviating from from the notch of expansion block mounting groove, and the bulge-structure that swelling slide block is established by its two ends place coordinates with sliding sleeve anticreep on its wedging direction.
8. scaffold diagonal brace fastener according to claim 7, is characterized in that, notch or bottom land inclination gradually to expansion block mounting groove in sliver and the guide groove direction of advance all when the wedging of swelling slide block, the incline direction of the two is identical.
9. the scaffold diagonal brace fastener according to claim 1 or 2 or 3 or 4 or 6 or 7 or 8, is characterized in that the side of the described dorsad opening of swelling slide block having the cambered surface for the outline adaptation with the scaffolding steel pipe in socket.
10. the scaffold diagonal brace fastener according to claim 1 or 2 or 3 or 4 or 6 or 7 or 8, it is characterized in that, described swelling slide block is voussoir and the respective side of its side towards pressed slider and pressed slider keeps fitting.
11. scaffold diagonal brace fasteners according to claim 1 or 2 or 3 or 4 or 6 or 7 or 8, is characterized in that, described swelling slide block is provided with the scale being used to indicate its assembling degree of depth.
12. scaffold diagonal brace fasteners according to claim 1 or 2 or 3 or 4 or 6 or 7 or 8, it is characterized in that, the side towards described opening of swelling slide block is provided with anti-skidding striped, the bearing of trend of anti-skidding striped is identical with the glide direction of swelling slide block, and pressed slider is provided with the striped be engaged with the anti-skidding striped on swelling slide block.
13. scaffold diagonal brace fasteners according to claim 1 or 2 or 3 or 4 or 6 or 7 or 8, it is characterized in that, one in two free bearings is hinged with the gland for compressing the scaffolding steel pipe in socket, another is hinged with the hasp corresponding with gland, described socket is in the circular arc with the outline adaptation of scaffolding steel pipe, and the medial surface of gland is the arc surface for the outline adaptation with scaffolding steel pipe.
14. scaffold diagonal brace fasteners according to claim 13, it is characterized in that, described hasp is T-shaped button, and gland is overlapped with hasp by the bayonet socket that its one end away from corresponding free bearing is arranged and coordinates.
15. sliding sleeves, it is characterized in that, for being slidably enclosed within scaffolding steel pipe, two are provided with for distinguishing the free bearing of hinge mounted gland and hasp outside it, these two free bearings are positioned opposite, their hinge axes is parallel to each other and space crossed with the center line of sliding sleeve, there is between the hinge axes of the center line of sliding sleeve and two free bearings the setting angle of 30 °-60 ° separately, the socket for accommodating scaffolding steel pipe is surrounded between the top of two free bearings, expansion block mounting groove is surrounded between the bottom of the two, position on the jacket wall of sliding sleeve between two free bearings is provided with inside and outside penetrating, for installing the opening of pressed slider.
16. sliding sleeves according to claim 15, is characterized in that, the cell wall of expansion block mounting groove is provided with sliver for stoping swelling slide block to be deviate from from its notch or guide groove.
17. sliding sleeves according to claim 15 or 16, it is characterized in that, described setting angle is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310105738.XA CN103147566B (en) | 2013-03-29 | 2013-03-29 | Scaffold diagonal-bracing fastener and sliding sleeve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310105738.XA CN103147566B (en) | 2013-03-29 | 2013-03-29 | Scaffold diagonal-bracing fastener and sliding sleeve thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103147566A CN103147566A (en) | 2013-06-12 |
| CN103147566B true CN103147566B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310105738.XA Expired - Fee Related CN103147566B (en) | 2013-03-29 | 2013-03-29 | Scaffold diagonal-bracing fastener and sliding sleeve thereof |
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| Country | Link |
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| CN (1) | CN103147566B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86203609U (en) * | 1986-05-28 | 1987-09-12 | 彭均民 | Rapid tightening device for steel tube scaffold |
| CN2128277Y (en) * | 1992-05-30 | 1993-03-17 | 卜华 | Self-fastening cross fastening |
| JPH09273521A (en) * | 1996-04-05 | 1997-10-21 | Nkk Corp | Cramp for fastening scaffold frame material |
| JPH11107524A (en) * | 1997-10-01 | 1999-04-20 | Heiwa Giken Kk | Pipe fastening device |
| CN203175029U (en) * | 2013-03-29 | 2013-09-04 | 朱新伟 | Scaffold inclined strut buckle and sliding sleeve thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB605525A (en) * | 1943-01-18 | 1948-07-26 | Johann Friedrich Koehnke | Improvements in and relating to pipe connection clips or clamps |
| CN2161663Y (en) * | 1993-06-14 | 1994-04-13 | 张健民 | Stiff scaffolding clamp for connecting scaffold member |
| CN2665282Y (en) * | 2002-12-18 | 2004-12-22 | 顾洪 | Wedged steel pipe scaffold fastener |
-
2013
- 2013-03-29 CN CN201310105738.XA patent/CN103147566B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86203609U (en) * | 1986-05-28 | 1987-09-12 | 彭均民 | Rapid tightening device for steel tube scaffold |
| CN2128277Y (en) * | 1992-05-30 | 1993-03-17 | 卜华 | Self-fastening cross fastening |
| JPH09273521A (en) * | 1996-04-05 | 1997-10-21 | Nkk Corp | Cramp for fastening scaffold frame material |
| JPH11107524A (en) * | 1997-10-01 | 1999-04-20 | Heiwa Giken Kk | Pipe fastening device |
| CN203175029U (en) * | 2013-03-29 | 2013-09-04 | 朱新伟 | Scaffold inclined strut buckle and sliding sleeve thereof |
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| Publication number | Publication date |
|---|---|
| CN103147566A (en) | 2013-06-12 |
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