Rotary fixing fastener

Abstract

The utility model relates to the technical field of fasteners, and discloses a rotary fixing fastener which comprises two fixing parts, movable parts are rotationally installed at the ends, away from each other, of the two fixing parts, a bolt is rotationally installed on the front surface of the fixing part on the front side, and the rear end of the bolt rotationally penetrates through the rear surface of the fixing part on the rear side. A first nut is installed on the outer surface of the rear end of the bolt in a threaded mode, the fixing and limiting mechanism is arranged on the two fixing pieces and comprises a limiting screw rod and an L-shaped limiting plate, the limiting screw rod is aligned with a threaded hole and rotates, and therefore the limiting screw rod and the L-shaped limiting plate are installed on the corresponding fixing pieces; the L-shaped limiting plate is located on the side, away from the fixed part and the movable part, of the fixed screw rod, the fixed screw rod is further limited and fixed, the situation that after the contact position of the second nut and the movable part is tripped, a fixed scaffold goes wrong, and the safety of workers is affected is prevented, and therefore the safety of the rotary fixing fastener is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fastener, concretely is a kind of rotary fixed fastener. BACKGROUND

[0002] Fastener is a kind of mechanical element for connecting, fixing or fastening two or more components, commonly used in construction, machinery, electronics and other fields, they are tightly joined by exerting pressure to prevent relative movement, fastener is various, including bolt, nut, screw, washer, pin, rivet, etc., material is usually metal, such as steel, stainless steel, aluminum alloy, etc., fastener design considers strength, durability, easy installation and disassembly and other factors, rotary fastener is a kind of mechanical element that realizes fastening function by rotating, such as bolt and nut, for connecting and fixing components, easy to disassemble and adjust.

[0003] The existing rotary fixed fastener is usually sleeved on the outer surface of the component to be fixed during use, and the bolt nut is used to fasten the fastener, but because the diameters of the components to be fixed, such as scaffold pipe, are different, when installed on the scaffold pipe, the closing hole diameter of the fastener needs to be adjusted according to the diameter of the scaffold pipe, and the closing hole diameter needs to be adjusted by adjusting the rotation amplitude of the fastener, at this time, the bolt will be inclined when fixing the fastener, and when used for a long time, the fastener is easy to come off, which forms installation hidden danger and is not conducive to the use of rotary fixed fastener. UTILITY MODEL CONTENTS

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides a kind of rotary fixed fastener, solve the problem that the closing hole diameter needs to be adjusted by adjusting the rotation amplitude of the fastener, at this time, the bolt will be inclined when fixing the fastener, and when used for a long time, the fastener is easy to come off, which forms installation hidden danger and is not conducive to the use of rotary fixed fastener.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a kind of rotary fixed fastener, including two fixed pieces, the far apart end of two fixed pieces is rotatably installed with movable piece, the front surface of front fixed piece is rotatably installed with bolt, the rear end of bolt is rotatably penetrated to the rear surface of rear fixed piece, the rear end outer surface of bolt is screw-threaded with first nut;

[0008] The fixed limiting mechanism is arranged on two fixed parts, and comprises a limiting screw rod and an L-shaped limiting plate, the upper surface of the front fixed part is provided with a threaded hole, the limiting screw rod is threadedly inserted into the threaded hole, the L-shaped limiting plate is rotatably installed on the outer surface of the limiting screw rod, the left surface of the front fixed part and the lower surface of the rear fixed part are both provided with an installation groove, and the two installation grooves are both rotatably installed with a fixed screw rod.

[0009] Preferably, the fixed limiting mechanism further comprises a handle, and the handle is fixedly installed on the surface of the limiting screw rod away from the L-shaped limiting plate.

[0010] Preferably, the number of the fixed limiting mechanism is two, and the two fixed limiting mechanisms are respectively arranged on the left surface of the front fixed part and the lower surface of the rear fixed part.

[0011] Preferably, the outer surface of the two fixed screw rods is both threadedly installed with a second nut, and the outer surface of the two fixed screw rods is both sleeved with a gasket.

[0012] Preferably, the front and rear surfaces of the two fixed parts and the proximal surfaces of the two movable parts are all provided with anti-skid grooves, and the anti-skid grooves are all inlaid with copper gaskets.

[0013] Preferably, the left end of the front surface of the front movable part is welded with two limiting plates, and the lower end of the rear surface of the rear movable part is welded with two same limiting plates.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the utility model provides a kind of rotating fixed fastener, with following beneficial effects:

[0016] 1, the rotating fixed fastener, by aligning threaded hole with limiting screw rod and rotating, thereby limiting screw rod and L-shaped limiting plate are installed to corresponding fixed part, make L-shaped limiting plate be located in the side of fixed screw rod away from fixed part and movable part, to further limit fixed screw rod, prevent the position where second nut and movable part contact from being decoupled phenomenon, and the fixed scaffold after problem appears influences the safety of staff, to improve the security of the rotating fixed fastener. ACCURACY

[0017] Figure 1 It is the overall overhead structure schematic diagram of the utility model rotating fixed fastener;

[0018] Figure 2 It is the internal cutaway front view structure schematic diagram of the utility model rotating fixed fastener;

[0019] Figure 3 It is the internal cutaway side view structure schematic diagram of the utility model rotating fixed fastener;

[0020] Figure 4 The fixed limiting mechanism is a sectional view structure schematic diagram of the utility model.

[0021] In the figure: 1, fixed part; 2, movable part; 3, bolt; 4, first nut; 5, limiting screw; 6, L-shaped limiting plate; 7, threaded hole; 8, mounting groove; 9, fixed screw; 10, handle; 11, second nut; 12, gasket; 13, anti-skid groove; 14, copper washer; 15, limiting plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a new technical scheme: a rotary fixed fastener, including two fixed parts 1, the far apart end of two fixed parts 1 is rotationally installed with movable part 2, the front surface of front fixed part 1 is rotationally installed with bolt 3, the rear end of bolt 3 is rotationally penetrated to the rear surface of rear fixed part 1, the rear end outer surface of bolt 3 is screw mounted with first nut 4;

[0024] Fixed limiting mechanism, fixed limiting mechanism is arranged on two fixed parts 1, and the fixed limiting mechanism includes limiting screw 5 and L-shaped limiting plate 6, the upper surface of front fixed part 1 is provided with threaded hole 7, limiting screw 5 is screw inserted in the inside of threaded hole 7, L-shaped limiting plate 6 is rotationally installed on the outer surface of limiting screw 5, the left surface of front fixed part 1 and the lower surface of rear fixed part 1 are provided with mounting groove 8, and two mounting grooves 8 are rotationally installed with fixed screw 9 in the inside.

[0025] Further, the fixed limiting mechanism further includes handle 10, and the handle 10 is fixedly installed on the end surface of the limiting screw 5 away from the L-shaped limiting plate 6.

[0026] Further, the number of fixed limiting mechanisms is two, and the two fixed limiting mechanisms are arranged on the left surface of the front fixed part 1 and the lower surface of the rear fixed part 1 respectively.

[0027] Further, the limiting screw 5 is aligned with the threaded hole 7 and rotated to install the limiting screw 5 and the L-shaped limiting plate 6 on the corresponding fixed part 1, so that the L-shaped limiting plate 6 is located on the side of the fixed screw 9 away from the fixed part 1 and the movable part 2, to further limit and fix the fixed screw 9, prevent the second nut 11 from being in contact with the movable part 2, and prevent the fixed scaffold from being out of buckle and affecting the safety of the staff, thereby improving the safety of the rotating fixing buckle.

[0028] Further, the outer surfaces of the two fixed screws 9 are threaded with the second nuts 11, and the outer surfaces of the two fixed screws 9 are sleeved with the gaskets 12.

[0029] Further, the front and rear surfaces of the two fixed parts 1 and the similar surfaces of the two movable parts 2 are provided with anti-skid grooves 13, and the anti-skid grooves 13 are inlaid with copper gaskets 14.

[0030] Further, the front surface of the movable part 2 on the front side is welded with two limiting plates 15, and the rear surface of the movable part 2 on the rear side is welded with two limiting plates 15.

[0031] Further, in use of the device, the fixed part 1 and the movable part 2 can be sleeved on the outer surface of the component to be fixed, such as the scaffold pipe, so that the scaffold pipe is located inside the fixed part 1 and the movable part 2 on one side, the movable part 2 is buckled to the fixed part 1, the rotating angle of the movable part 2 is adjusted according to the diameter of the scaffold pipe, the inner wall of the movable part 2 is in contact with the surface of the scaffold pipe, then the corresponding fixed screw 9 is rotated, the end of the fixed screw 9 away from the fixed part 1 is rotated into the corresponding opening of the movable part 2, then the corresponding second nut 11 is rotated, the second nut 11 drives the gasket 12 to be in contact with the movable part 2, to fix the movable part 2, after the fixing is completed, the limiting screw 5 is aligned with the threaded hole 7, the limiting screw 5 is rotated to install the limiting screw 5 into the threaded hole 7, thereby installing the limiting screw 5 and the L-shaped limiting plate 6 on the limiting screw 5, so that the L-shaped limiting plate 6 is located on the side of the fixed screw 9 away from the fixed part 1 and the movable part 2, to further limit and fix the fixed screw 9, prevent the second nut 11 from being in contact with the movable part 2, and prevent the fixed scaffold from being out of buckle and affecting the safety of the staff, thereby improving the safety of the rotating fixing buckle.

[0032] Structure description: fixed part 1: this is the main component of the buckle, used for fixing and supporting the object to be connected;

[0033] Movable part 2: these components are installed on the opposite ends of the two fixed parts 1, used for closing with the corresponding fixed part 1 to fix the object;

[0034] Bolt 3: Bolt 3 is rotatably installed on the front surface of the front fixing member 1, and penetrates through the rear end to the rear surface of the rear fixing member 1, for connecting the two fixing members 1 together;

[0035] First nut 4: This nut is threadedly installed on the rear end outer surface of the bolt 3, for fastening the bolt 3, thereby fixing the two fixing members 1, and loosening the first nut 4 to rotate the two fixing members 1;

[0036] Limiting screw 5 and L-shaped limiting plate 6: for limiting the movement range of the fixing screw 9, ensuring the stability of the connection, and preventing the occurrence of decoupling phenomenon;

[0037] Threaded hole 7: located on the upper surface of the front fixing member 1, for threadedly inserting the limiting screw 5;

[0038] Mounting groove 8: located on the left surface of the front fixing member 1 and the lower surface of the rear fixing member 1, for rotatably mounting the fixing screw 9;

[0039] Fixing screw 9: These screws are installed in the two mounting grooves 8, and cooperate with the second nut 11 to fix the fixing member 1 and the movable member 2;

[0040] Handle 10: fixedly installed on the end surface of the limiting screw 5 away from the L-shaped limiting plate 6, for manually rotating the limiting screw 5, or using a wrench to move the handle 10, thereby adjusting the position of the L-shaped limiting plate 6;

[0041] Second nut 11: These nuts are threadedly installed on the outer surface of the fixing screw 9, for fastening the movable member 2, and enhancing the stability of the connection;

[0042] Gasket 12: fitted on the outer surface of the fixing screw 9, for distributing pressure, protecting the surface of the movable member 2 from being damaged, and increasing the friction between the second nut 11 and the movable member 2;

[0043] Anti-skid groove 13: located on the front and rear surfaces of the fixing member 1 and the similar surfaces of the movable member 2, for inlaying the copper gasket 14;

[0044] Copper gasket 14: inlaid in the inside of the plurality of anti-skid grooves 13, the copper gasket has good wear resistance and anti-skid property, further increasing the friction between the fixing member 1, the movable member 2 and the fixed object;

[0045] Limiting plate 15: welded on the left end of the front surface of the front movable member 2 and the lower end of the rear surface of the rear movable member 2, for limiting the movement of the second nut 11 and the fixing screw 9, ensuring the stability of the fixing.

[0046] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rotary fixed fastener, comprising two fixed parts (1), the distal end of each of the two fixed parts (1) is rotatably installed with a movable part (2), the front surface of the front fixed part (1) is rotatably installed with a bolt (3), the rear end of the bolt (3) is rotatably penetrated to the rear surface of the rear fixed part (1), characterized in that: The rear end outer surface of the bolt (3) is threaded with a first nut (4); The fixing limiting mechanism is arranged on the two fixing members (1), and comprises a limiting screw rod (5) and an L-shaped limiting plate (6). The upper surface of the front fixing member (1) is provided with a threaded hole (7), the limiting screw rod (5) is threaded into the threaded hole (7), and the L-shaped limiting plate (6) is rotatably arranged on the outer surface of the limiting screw rod (5). The left surface of the front fixing member (1) and the lower surface of the rear fixing member (1) are both provided with a mounting groove (8), and the inner part of the two mounting grooves (8) is rotatably provided with a fixing screw rod (9).

2. A swivel fastener according to claim 1, wherein: The fixing limiting mechanism further comprises a handle (10) fixedly arranged on the end surface of the limiting screw rod (5) away from the L-shaped limiting plate (6).

3. A swivel fastener according to claim 1, wherein: The number of the fixing limiting mechanism is two, and the two fixing limiting mechanisms are arranged on the left surface of the front fixing member (1) and the lower surface of the rear fixing member (1) respectively.

4. A swivel fastener according to claim 1, wherein: The outer surface of the fixing screw rod (9) is threaded with a second nut (11), and the outer surface of the fixing screw rod (9) is sleeved with a gasket (12).

5. A swivel fastener according to claim 1, wherein: The front and rear surfaces of the two fixing members (1) and the similar surfaces of the two movable members (2) are both provided with anti-skid grooves (13), and the inner part of the anti-skid grooves (13) is inlaid with a copper gasket (14).

6. A swivel fastener according to claim 1, wherein: The front surface of the front movable member (2) is welded with two limiting plates (15) at the left end, and the rear surface of the rear movable member (2) is welded with two same limiting plates (15) at the lower end.

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