CN205822764U

CN205822764U - Rotary knot

Info

Publication number: CN205822764U
Application number: CN201620541417.3U
Authority: CN
Inventors: 康江的; 孙士杰
Original assignee: Hebei Huijie Fastener Co Ltd
Current assignee: Hebei Huijie Fastener Co Ltd
Priority date: 2016-06-03
Filing date: 2016-06-03
Publication date: 2016-12-21
Anticipated expiration: 2026-06-03

Abstract

The utility model discloses a kind of rotary knot, belong to building structural element technical field.The hoop formula latch closure back-to-back rotated connector identical by two structures is formed by connecting, each hoop formula latch closure all includes jig arm ㄧ and the jig arm II for forming receiving clamping object cavity being rotationally connected, being correspondingly provided with string silk head and the point pressure head penetrating connection for bolt on the nonrotational end of jig arm ㄧ and jig arm II respectively, jig arm ㄧ and jig arm II are all in banding and include two linking arms；What rotary connector included being separately positioned in each jig arm ㄧ connect seat, rotating shaft through two connecting holes connected on seats, connect seat include connecting plate and be arranged on the bending part at connecting plate two ends, connecting hole is arranged on connecting plate, bending part is set on two linking arms of jig arm ㄧ, and rotating shaft one end is provided with end cap.This utility model can rotate freely angle, can be at arbitrarily angled fixing scaffolding steel pipe, and motility is strong, it is simple to processing, easy to use.

Description

Rotary fastener

Technical Field

The utility model relates to a rotation type fastener belongs to building structure component technical field.

Background

The fastener is fastened by wide application in each field as a fastening device, especially in the building field, and it is used for building the scaffold through two fixed steel pipes for it is more convenient that the scaffold is installed and removed, sets up more in a flexible way, has accelerated the construction progress to a certain extent. The security and the fastness of fastener are the heavy and medium-weight of scaffold frame, and the fastener that uses at present has some drawbacks: for example, the scaffold is not easy to brace obliquely, and the nut of the scaffold frequently slides down or is lost, so that great potential safety hazards can be caused to the safety of the scaffold.

In the current patent, usually, the arm lock with two fasteners obtains through cross interlocking welding, and the tensile strength of two fasteners can be increased to the cross interlocking mode, obtains the effect of better fastening cramping thing, but it belongs to the right angle component, can only realize vertical angle's installation, can't realize the angular rotation, can not connect two steel pipes of arbitrary angle, and the type usage is comparatively single, and the flexibility is poor, and it is inconvenient to use, and the structure is complicated, and the welding volume is big simultaneously, and production efficiency is low, and processing is inconvenient, and manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve provides a rotation type fastener that can free rotation angle, can be at the fixed scaffold steel pipe of arbitrary angle, and the flexibility is strong, the processing of being convenient for, convenient to use.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

a rotary fastener is formed by connecting two hoop-type buckles with the same structure back to back through a rotary connecting piece, each hoop-type buckle comprises a first clamp arm and a second clamp arm which are rotatably connected and used for forming a cavity for accommodating a clamped object, the non-rotating ends of the first clamp arm and the second clamp arm are respectively and correspondingly provided with a threading head and a pointed pressing head for penetrating and connecting a bolt, and the first clamp arm and the second clamp arm are both in a belt shape and comprise two connecting arms;

the rotating connecting piece includes the connecting seat that sets up respectively on every arm lock I, passes the pivot of the connecting hole on two connecting seats, and the connecting seat includes the connecting plate and sets up the portion of bending at the connecting plate both ends, and the connecting hole setting is on the connecting plate, and the cover is worn on two linking arms of arm lock I to the portion of bending, and pivot one end is equipped with the end cap.

The utility model discloses technical scheme's further improvement lies in: the connecting plate is rectangular.

The utility model discloses technical scheme's further improvement lies in: the connecting plate and the bending part are integrally formed.

The utility model discloses technical scheme's further improvement lies in: the two connecting seats can rotate 360 degrees around the rotating shaft.

The utility model discloses technical scheme's further improvement lies in: the hoop-type ring buckles are made of steel.

The utility model discloses technical scheme's further improvement lies in: each connecting arm of the clamp arm I comprises a U-shaped connecting arm I, two straight arms, two arc-shaped transition arms I and two annular rotating arms which are sequentially connected, the U-shaped connecting arm I is used for a threading head to penetrate, the straight arm is used for a bending part of the connecting seat to penetrate, and the two annular rotating arms are connected with a clamp arm II; the clamping arm II comprises a U-shaped connecting arm II, two arc-shaped transition arms II and an M-shaped rotating arm which are sequentially connected, a sharp pressure head penetrates through the U-shaped connecting arm II, and the M-shaped rotating arm penetrates into the two annular rotating arms.

The utility model discloses technical scheme's further improvement lies in: the stringing head and the pointed pressing head are respectively and correspondingly provided with a through hole and a notch for the bolt to penetrate, the stringing head and the pointed pressing head are respectively provided with an anti-skidding structure towards one side of the cavity, the anti-skidding structure is a plurality of grooves which are parallel and are arranged at intervals, and the grooves extend towards the direction of the clamping arm where the grooves are located.

The utility model discloses technical scheme's further improvement lies in: the groove is in a strip shape, an S shape, a grid shape or a bricklaying shape.

Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains is:

1. the construction is flexible: can free rotation angle to can be at the fixed scaffold steel pipe of arbitrary angle, convenient operation guarantees the flexibility of construction, improves personnel's operation travelling comfort.

2. The processing is convenient: simple structure, simple and convenient connection mode, small welding amount, material saving, light weight and low production cost.

3. The application range is wide: the utility model discloses a dead weight alleviates the back for this fastener in use can not cause the burden because of the weight of self to the application occasion, convenient to use.

4. The use mechanical property is good: the utility model discloses an each part is the steel material, and its toughness and rigidity are all higher than traditional malleable iron fastener intensity, and cutting nature, corrosion resistance, plasticity and heat resistance are better, and low temperature ductile-brittle transition temperature is low, has saved traditional malleable iron fastener casting, annealing and has perforated the pin and has passed the formation articulated process in order to supply the round pin axle, has higher intensity and toughness, has very high damping nature and better percentage elongation again.

5. Green and environment-friendly: adopt the steel sheet cold press molding, the energy consumption is low in the production process, pollution-free, is a sustainable development's energy material to cold press molding is being carried out the reinforcing bar, thereby forms fastener arm I and arm lock II in-process, only need buckle into the U type with the reinforcing bar and colds pressing, can make its shaping for arm lock I and arm lock II, simplify the course of working, reduce the processing cost.

6. The construction safety is high: the anti-skidding structure that sets up for the frictional force increase of fastener and centre gripping object, thereby the centre gripping is firm, is difficult for deviating from or the landing, reinforcing construction safety nature. The bar or the S-shaped recess that sets up improves the fastener and by the skid resistance of centre gripping object, makes the utility model discloses realize furthest' S contact with the centre gripping object, play good anti-skidding effect.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the clip I of fig. 1;

FIG. 3 is a schematic structural view of the clamping arm II in FIG. 1;

FIG. 4 is a schematic view of the connecting socket of FIG. 1;

fig. 5 is a schematic structural view of the rotary connector of the present invention;

FIG. 6 is a schematic structural view of the stringing head of the present invention;

FIG. 7 is a schematic structural view of the pointed pressing head of the present invention;

wherein,

11. the U-shaped connecting arm I, 12, the straight arm 13, the arc-shaped transition arm I, 14, the loop-shaped rotating arm 15, the stringing head, 16 and the through hole;

21. the U-shaped connecting arms II and 22, the arc transition arms II and 23, the M-shaped rotating arm 25, the pointed pressing head 26 and the notch;

31. a connecting plate 32, a bending part 33, a rotating shaft 34 and an end cap;

4. and (4) a groove.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

as shown in fig. 1 to 7, a rotary fastener is formed by connecting two hoop-type buckles with the same structure back to back through a rotary connector, each hoop-type buckle includes a first clamping arm and a second clamping arm which are rotatably connected and used for forming a cavity for accommodating a clamped object, a threading head 15 and a pointed pressing head 25 for a bolt to penetrate and connect are respectively and correspondingly arranged on the non-rotating ends of the first clamping arm and the second clamping arm, and the first clamping arm and the second clamping arm are both strip-shaped and include two connecting arms;

the rotating connecting piece comprises connecting seats respectively arranged on each clip arm I and a rotating shaft 33 penetrating through connecting holes in the two connecting seats, each connecting seat comprises a connecting plate 31 and bending parts 32 integrally formed at two ends of the connecting plate 31, each connecting plate 31 is rectangular, the connecting holes are formed in the connecting plates 31, the bending parts 32 are sleeved on the two connecting arms of the clip arms I in a penetrating manner, and one end of the rotating shaft 33 is provided with an end cap 34; the two connecting seats can rotate 360 degrees around the rotating shaft 33.

The hoop-type buckles are made of steel, each connecting arm of the clip arm comprises a U-shaped connecting arm 11, two straight arms 12, two arc-shaped transition arms 13 and two annular rotating arms 14 which are sequentially connected, a threading head 15 is penetrated into the U-shaped connecting arm I11, a bending part 32 of the connecting seat is penetrated through the straight arm 12, and the two annular rotating arms 14 are connected with a clip arm II; the clamping arm II comprises a U-shaped connecting arm II 21, two arc transition arms II 22 and an M-shaped rotating arm 23 which are sequentially connected, a sharp pressure head 25 penetrates through the U-shaped connecting arm II 21, and the M-shaped rotating arm 23 penetrates into the two annular rotating arms 14. The stringing head 15 and the pointed pressing head 25 are respectively and correspondingly provided with a through hole 16 and a notch 26 for a bolt to penetrate, one sides of the stringing head 15 and the pointed pressing head 25 towards the cavity are respectively provided with an anti-skidding structure which is used for abutting against a clamped object, the anti-skidding structures are a plurality of parallel grooves 4 arranged at intervals, the grooves 4 extend towards the direction of the clamping arm where the grooves 4 are located, the grooves 4 are in a strip shape, an S shape, a lattice shape or a bricklaying shape, the grooves 4 located on the stringing head 15 are in the bricklaying shape, and the grooves 4 located on the pointed pressing head 25 are in the strip shape.

The groove 4 improves the anti-skid performance of the fastener and the clamped object, increases the friction force of the fastener and the clamped object, enables the fastener and the clamped object to keep the contact to the maximum extent, and plays a better anti-skid effect.

During the use, with the holding thing as the steel pipe the utility model discloses carry out the centre gripping, penetrate the bolt through-hole 16 and opening 26 in cluster head 15 and the sharp pressure head 25 and fix, when the angle of holding thing as the steel pipe changes, can adjust two connecting seats at will and do the rotation round pivot 33, use in a flexible way.

The utility model discloses an anti-skidding performance far exceeds the standard of national regulation to its resistance to destruction performance, torsional rigidity performance and tensile strength are all better, as shown in table 1, the quality inspection data of the embodiment of demonstration.

Can see through the data of table 1, in the experiment, the cling compound performance standard value of the fastener of national regulation is less than or equal to 7.0mm, and the utility model discloses a cling compound performance, the maximum value is 1.00mm, and other numerical values are all about 0.5 ~ 0.9mm, are superior to the standard value of country far away.

Claims

1. A rotary fastener characterized by: the clamping device is formed by connecting two hoop-type buckles with the same structure back to back through a rotary connecting piece, each hoop-type buckle comprises a clamping arm I and a clamping arm II which are rotatably connected and used for forming a cavity for accommodating a clamped object, a threading head (15) and a pointed pressing head (25) for a bolt to penetrate and connect are correspondingly arranged on the non-rotating ends of the clamping arm I and the clamping arm II respectively, and the clamping arm I and the clamping arm II are both in a belt shape and comprise two connecting arms;

the rotating connecting piece comprises connecting seats respectively arranged on each clip arm I and a rotating shaft (33) penetrating through connecting holes in the two connecting seats, the connecting seats comprise connecting plates (31) and bending parts (32) arranged at two ends of the connecting plates (31), the connecting holes are formed in the connecting plates (31), the bending parts (32) are sleeved on the two connecting arms of the clip arms I in a penetrating mode, and end caps (34) are arranged at one ends of the rotating shafts (33).

2. The rotary fastener of claim 1, wherein: the connecting plate (31) is rectangular.

3. The rotary fastener of claim 2, wherein: the connecting plate (31) and the bent part (32) are integrally formed.

4. The rotary fastener of claim 3, wherein: the two connecting seats can rotate 360 degrees around the rotating shaft (33).

5. The rotary fastener of any one of claims 1 to 4, wherein: the hoop-type ring buckles are made of steel.

6. The rotary fastener of any one of claims 1 to 4, wherein: each connecting arm I comprises a U-shaped connecting arm (11), two straight arms (12), two arc-shaped transition arms (13) and two annular rotating arms (14), wherein the U-shaped connecting arm I (11) is used for a threading head (15) to penetrate, the straight arm (12) is used for a bending part (32) of the connecting seat to penetrate, and the two annular rotating arms (14) are connected with an arm II; the clamping arm II comprises a U-shaped connecting arm II (21), two arc-shaped transition arms II (22) and an M-shaped rotating arm (23), the U-shaped connecting arm II (21) is used for a sharp pressure head (25) to penetrate, and the M-shaped rotating arm (23) penetrates into the two annular rotating arms (14).

7. The rotary fastener of any one of claims 1 to 4, wherein: the stringing head (15) and the sharp pressure head (25) are respectively and correspondingly provided with a through hole (16) and a notch (26) for a bolt to penetrate, the stringing head (15) and the sharp pressure head (25) are respectively provided with an anti-skidding structure towards one side of the cavity, the anti-skidding structure is used for offsetting a clamped object, the anti-skidding structures are grooves (4) which are arranged in parallel and at intervals, and the grooves (4) extend towards the direction of the clamping arm where the grooves are located.

8. The rotary fastener of claim 7, wherein: the groove (4) is in a strip shape, an S shape, a grid shape or a bricklaying shape.