CN214062309U

CN214062309U - Novel scaffold butt joint fastener

Info

Publication number: CN214062309U
Application number: CN202022590924.5U
Authority: CN
Inventors: 何伍坤; 廖克振; 吴翔; 黄镇宇; 韦文韬; 戴宇; 吴定轩; 骆军; 唐馨
Original assignee: Guangxi Construction Engineering Group Metallurgical Construction Co ltd
Current assignee: Guangxi Construction Engineering Group Metallurgical Construction Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-08-27
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses a novel scaffold butt joint fastener, which belongs to the technical field of building construction and mainly comprises a first cover plate, a second cover plate hinged with the first cover plate and an auxiliary clamping mechanism arranged between the first cover plate and the second cover plate, wherein the first cover plate and the second cover plate are connected through a fastener so as to fix the scaffold between the two cover plates; the auxiliary clamping mechanism is used for clamping and fixing the scaffold from the inside of the scaffold. The utility model has the advantages of simple and reasonable structure, it is easy and simple to handle, it is tight with the scaffold frame clamp from the outside through first apron and second apron, the cooperation is used simultaneously and is assisted fixture from inside to the further centre gripping of scaffold frame fixed, inside and outside centre gripping step is finished at one stroke, dual clamping effect makes the scaffold frame can not take place to slide, factor of safety is showing and is improving, can effectively prevent not hard up and drop of scaffold frame, avoid causing the harmful accident, the scaffold frame that is particularly useful for the building of facade for the curved surface steps up the operation, the practicality is extremely strong.

Description

Novel scaffold butt joint fastener

Technical Field

The utility model belongs to the construction field relates to a scaffold frame butt joint fastener, especially relates to a novel scaffold frame butt joint fastener.

Background

Scaffold commonly used on construction site needs building fastener to fix in the combination process. At present, the external protection scaffold of a building with a curved external surface is often connected by using a butt fastener, and the butt fastener is usually used for connecting two butt length steel pipes to play roles of extension and lengthening.

The existing butt-joint fastener generally fastens the outer cover of the butt-joint fastener through the bolt above, so that the aim of fastening the scaffold is fulfilled. Because the enclosing cover of butt joint fastener needs long-time contact with the scaffold, nevertheless appear sliding very easily between dabber and the scaffold on the butt joint fastener to cause the not hard up or drop of scaffold, bring very big inconvenience for the use, sometimes can cause the bad accident even.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel scaffold butt joint fastener to solve the prior art problems; the butt joint fastener is simple and reasonable in structure, good in fastening effect and high in safety factor, and is suitable for scaffold tightening operation of buildings with curved facades.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides a novel scaffold frame butt joint fastener, include:

a first cover plate;

the second cover plate is hinged with the first cover plate, and a fastener for connecting the two cover plates is arranged on the second cover plate and/or the first cover plate so as to fix the scaffold between the first cover plate and the second cover plate;

and the auxiliary clamping mechanism is arranged between the first cover plate and the second cover plate and used for clamping and fixing the scaffold from the inside of the scaffold.

Optionally, the auxiliary clamping mechanism includes:

the mandrel is arranged on the first cover plate, the second cover plate and/or a hinge part of the first cover plate and the second cover plate through a connecting piece;

the fixed sleeve is arranged on the periphery of the mandrel and comprises a plurality of mounting cavities which are distributed circumferentially;

the sliding mechanism comprises a sliding rod, the sliding rod is slidably mounted in the mounting cavity, the inner end of the sliding rod is fixed through a compression spring, and the outer end of the sliding rod is used for being in close contact with the scaffold under the action of the compression spring.

Optionally, the auxiliary clamping mechanism further includes a moving mechanism, and the moving mechanism includes:

the hollow sleeve is arranged on two sides of the installation cavity, a sliding cavity is arranged inside the hollow sleeve, and the sliding cavity is communicated with the installation cavity;

the movable rod is slidably arranged at the inner end of the sliding cavity;

the fixed rod is slidably arranged at the outer end of the sliding cavity; when the sliding rod axially slides in the mounting cavity, the moving rod can be ejected outwards, and then the fixed rod is pushed to clamp the scaffold.

Optionally, a first piston and a second piston arranged at an interval with the first piston are installed in the sliding cavity; the first piston is connected with the movable rod, and the second piston is connected with the fixed rod.

Optionally, an arc-shaped block for ejecting the moving rod is arranged on the side wall of the sliding rod.

Optionally, the clamping end of the fixing rod is of a bent structure.

Optionally, the first cover plate and the second cover plate are hinged through a movable pin.

Optionally, an open slot for connecting a bolt is provided on the second cover plate, and a bolt hole for a bolt to pass through is provided on the first cover plate.

Optionally, the mandrel is fixed to one end of the connecting member, and the other end of the connecting member is hinged to the hinge member of the first cover plate and the second cover plate.

The utility model discloses for prior art gain following technological effect:

the utility model provides a novel scaffold frame butt joint fastener simple structure is reasonable, and is easy and simple to handle, it is tight with the scaffold frame clamp from the outside through first apron and second apron, the cooperation is simultaneously used supplementary fixture from inside to the further centre gripping of scaffold frame fixed, inside and outside centre gripping step is engrossed at one glance, dual clamping effect makes the scaffold frame can not take place to slide, factor of safety is showing and is improving, can prevent effectively that not hard up and drop of scaffold frame, avoid causing the harmful accident, the scaffold frame that is particularly useful for the building of facade for the curved surface steps up the operation, the practicality is extremely strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the scaffold docking fastener of the present invention;

FIG. 2 is a schematic structural view of the auxiliary clamping mechanism of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

wherein the reference numerals are: the device comprises a first cover plate 1, a bolt hole 2, a mandrel 3, a connecting piece 4, a movable pin 5, an open slot 6, a second cover plate 7, a fixed sleeve 8, an arc-shaped block 9, a hollow sleeve 10, a fixed rod 11, a sliding rod 12, a compression spring 13, a movable rod 14, a first piston 15, a second piston 16 and a sliding cavity 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

The first embodiment is as follows:

as shown in fig. 1-3, this embodiment provides a butt joint fastener structure of outer protection scaffold that can be used to building of which facade is curved surface, including first apron 1 and the removable pin 5 of setting on first apron 1, be equipped with second apron 7 on the removable pin 5, all be equipped with on first apron 1 and the second apron 7 and be used for removable pin 5 pivoted through-hole, first apron 1 and second apron 7 all rotate with removable pin 5 and are connected, through rotating first apron 1 and second apron 7, can be with scaffold centre gripping between first apron 1 and second apron 7. Be equipped with the open slot 6 that is used for connecting bolt on the second apron 7, be equipped with the bolt hole 2 that is used for the bolt to pass on the first apron 1, pass bolt hole 2 on the second apron 7 with the bolt in the open slot 6 on the first apron 1, can be fixed with first apron 1 and second apron 7 connection, thereby can be fixed with the scaffold frame between first apron 1 and the second apron 7, through rotating the bolt, make the scaffold frame inseparabler with first apron 1 and second apron 7 are connected, realize following the outside and press from both sides tight scaffold frame, prevent droing of scaffold frame.

In this embodiment, as shown in fig. 1 to 3, an auxiliary clamping mechanism for fastening the scaffold from inside is further provided, which includes a mandrel 3, the mandrel 3 is hinged to a movable pin 5 through a connecting member 4, fixed sleeves 8 are symmetrically provided on the surface of the mandrel 3, a plurality of mounting cavities and sliding mechanisms are symmetrically provided on the fixed sleeves 8, each sliding mechanism includes a sliding rod 12 sliding in the mounting cavity, a compression spring 13 is fixed at the inner end of the mounting cavity, one end of the sliding rod 12 is connected to the compression spring 13, and the other end extends out of the mounting cavity. Arc blocks 9 used for being matched with a moving mechanism are arranged on two sides of the sliding rod 12, the sliding rod 12 slides in an installation cavity of the fixed sleeve 8, the arc blocks 9 fixedly connected with the two sides of the sliding rod 12 can also move along with the sliding rod 12, the sliding rod 12 moves to enable the compression spring 13 to generate compression deformation, and the spring force is reacted on the sliding rod to enable the outer end of the sliding rod 12 to be in close contact with a scaffold; the end face of the sliding rod 12 contacting the scaffold is preferably an arc-shaped face, so that the contact area between the sliding rod 12 and the scaffold can be increased, and the scaffold can be prevented from falling off.

In this embodiment, as shown in fig. 1 to 3, the auxiliary clamping mechanism further includes a moving mechanism used in cooperation with the sliding mechanism, the moving mechanism includes a hollow sleeve 10, a pair of hollow sleeves 10 are symmetrically disposed on the side wall of each installation cavity, and preferably, the hollow sleeves are disposed perpendicular to the axial direction of the installation cavity. Be equipped with first piston 15, carriage release lever 14 and be used for first piston 15 and the gliding slip chamber 17 of carriage release lever 14 in the hollow cover 10, slide bar 12 is at the slip in-process that is close to fixed cover 8, arc piece 9 will contact with carriage release lever 14, because the surface that carriage release lever 14 and arc piece 9 contacted has the radian, make arc piece 9 can contact with carriage release lever 14 more smoothly, carriage release lever 14 will slide in the slip chamber 17 of hollow cover 10 because arc piece 9 removes, first piston 15 will be along with the removal of carriage release lever 14, also take place to remove in slip chamber 17, thereby make the increase of pressure in the slip chamber 17. Meanwhile, a fixing rod 11 for fixing the scaffold is arranged in the hollow sleeve 10, one end of the fixing rod 11 is provided with a second piston 16 which slides in a sliding cavity 17, a closed space is formed between the first piston 15 and the second piston 16, when the first piston 15 moves, the pressure in the sliding cavity 17 is increased, the second piston 16 can slide in the sliding cavity 17, so that the fixing rod 11 can move along with the second piston 16, a bending structure is arranged at the clamping end of the fixing rod 11, a certain included angle is formed between the fixing rod and the horizontal direction or the vertical direction, the fixing rod 11 can be in tight contact with the scaffold after moving, the fixing effect of the scaffold is better, and the scaffold is prevented from sliding.

The following is a detailed description of the operation principle of the scaffold docking buckle in this embodiment:

the scaffold is passed through the mandrel 3, the second cover plate 7 and the first cover plate 1 are adjusted to rotate so as to clamp the scaffold from the outside, then the bolt in the opening groove 6 of the second cover plate 7 is passed through the bolt hole 2 on the first cover plate 1 and is screwed, so that the first cover plate 1 and the second cover plate 7 are connected, and at the moment, the surface of the scaffold is in close contact with the surfaces of the first cover plate 1 and the second cover plate 7. Meanwhile, because the mandrel 3 is arranged in the scaffold, the outer end of the sliding rod 12 in the fixing sleeve 8 can be contacted with the scaffold, the sliding rod 12 moves inwards along the radial direction of the fixing sleeve 8 under the reverse acting force of the scaffold, the compression spring 13 can be compressed and deformed, and the elastic force is reacted on the sliding rod 12, so that the sliding rod 12 is tightly contacted with the scaffold; in the process that the sliding rod 12 moves, the arc blocks 9 on two sides of the sliding rod 12 are in contact with the moving rod 14, the moving rod 14 moves in the sliding cavity 17 of the hollow sleeve 10, the first piston 15 moves along with the moving rod 14, the pressure in the sliding cavity 17 is increased, the second piston 16 also slides in the sliding cavity 17, the fixing rod 11 also moves along with the second piston 16, and finally the fixing rod 11 can be in close contact with a scaffold, so that the mandrel 3 can be in close contact with the scaffold, the effect of fixing the scaffold from the inside is achieved, and the scaffold is further prevented from loosening and falling off. In practice, when the mandrel 3 is telescoped into the scaffolding, an internal clamping has already taken place, after which the first and second cover plates are further connected and reinforced, the external and internal positive fixing action complementing each other.

Therefore, the novel scaffold butt joint fastener provided by the embodiment is simple and reasonable in structure, the operation is simple and convenient, the scaffold is clamped tightly from the outside through the first cover plate and the second cover plate, the auxiliary clamping mechanism is used in cooperation simultaneously to further centre gripping of the scaffold from the inside and fix, the inside and outside clamping step is finished at one stroke, the scaffold can not slide due to the dual clamping effect, the safety coefficient is obviously improved, the scaffold can be effectively prevented from loosening and falling, bad accidents are avoided being caused, the scaffold tightening operation especially suitable for buildings with curved surfaces on the outer vertical surfaces is extremely strong in practicability.

It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. The utility model provides a novel scaffold frame butt joint fastener which characterized in that includes:

a first cover plate;

2. The novel scaffold docking fastener of claim 1, wherein the auxiliary clamping mechanism comprises:

3. The novel scaffold docking fastener of claim 2, wherein the secondary clamping mechanism further comprises a moving mechanism, the moving mechanism comprising:

the movable rod is slidably arranged at the inner end of the sliding cavity;

4. The novel scaffold butt fastener of claim 3, wherein a first piston and a second piston spaced apart from the first piston are installed in the sliding cavity; the first piston is connected with the movable rod, and the second piston is connected with the fixed rod.

5. The novel scaffold docking fastener of claim 3, wherein the side wall of the sliding bar is provided with an arc-shaped block for ejecting the moving bar.

6. The novel scaffold butt fastener of claim 3, wherein the clamping end of the fixing rod is of a bent structure.

7. The novel scaffold docking fastener of claim 1, wherein the first and second cover plates are hinged by a movable pin.

8. The novel scaffold butt-joint fastener according to claim 1, wherein the second cover plate is provided with an open slot for connecting a bolt, and the first cover plate is provided with a bolt hole for passing the bolt.

9. The scaffold docking coupler of claim 2, wherein the core shaft is fixed to one end of the coupler, and the other end of the coupler is hinged to the hinge of the first and second cover plates.