Butterfly nut structure

Abstract

The utility model discloses a butterfly nut structure, which relates to the technical field of nuts, and comprises a nut main body, the outer ring surface of the nut main body is fixedly connected with a butterfly wing, one side of the butterfly wing is fixedly connected with a connecting rod, and one end of the connecting rod is fixedly connected with an extension pipe. The two ends of the connecting rod are fixedly connected with the extension pipe and the butterfly wing respectively, the bottom of the extension pipe is fixedly connected with the nut body, when the nut body is rotated through the butterfly wing, the extension pipe synchronously rotates along with the nut body, the reinforcing strips can increase the roughness of the surface of the butterfly wing and reduce sliding of the butterfly wing during rotation, and the reinforcing strips can support and reinforce one side of the connecting rod. And the extending pipe, the connecting rod and the butterfly wing also define a triangular structure, the butterfly wing is reinforced, deformation generated after the butterfly wing is stressed can be reduced, the conical sleeve can be conveniently and rapidly disassembled and replaced after being abraded through the limiting pin and the inserting rod, and normal use of the nut is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to nut technical field especially relates to a butterfly nut structure. BACKGROUND

[0002] Butterfly nut is a kind of nut, shape like butterfly. According to process, it can be divided into cast butterfly nut, stamping butterfly nut and the like.

[0003] For example, Chinese patent CN216306450U discloses a butterfly nut with clamping structure, including nut body, a pair of butterfly wings are fixedly connected to the left and right ends of the nut body, a circular groove is opened in the lower end of the nut body, a spring is fixedly connected to the inner top end of the circular groove, a movable rod is fixedly connected to the lower end of the spring, the movable rod is located in the inner cavity of the circular groove, a limiting piece is fixedly connected to the lower end of the movable rod, a screw rod is threadedly connected in the inner cavity of the nut body, a workpiece is fixedly connected to the lower end of the screw rod, the workpiece is located on the lower side of the nut body, and a gasket is sleeved on the outer part of the screw rod.

[0004] In the above patent, although the limiting piece and the limiting block solve the problem that the butterfly nut is prone to rotary loosening or falling off, the butterfly wings need to bear a large force during multiple uses of the nut, the surface of the butterfly wings is relatively smooth and prone to sliding, and when the butterfly wings on both sides are unevenly stressed, deformation and damage are likely to occur, thereby affecting the normal use of the subsequent nut. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the problem in the prior art that the butterfly wings need to bear a large force during multiple uses of the nut, the surface of the butterfly wings is relatively smooth and prone to sliding, and when the butterfly wings on both sides are unevenly stressed, deformation and damage are likely to occur, thereby affecting the normal use of the subsequent nut, and provides a butterfly nut structure.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a butterfly nut structure, including nut body, the outer ring surface of the nut body is fixedly connected with butterfly wing, one side of the butterfly wing is fixedly connected with connecting rod, one end of the connecting rod is fixedly connected with extension pipe, the inner wall of the extension pipe is fixedly connected with antiskid strip, the cross section of the antiskid strip is arc-shaped, one end of the extension pipe is fixedly connected with the nut body, one side of the nut body is fixedly connected with reinforcing strip, the other end of the reinforcing strip is fixedly connected with the connecting rod, and one side of the butterfly wing is fixedly connected with reinforcing strip, and the cross section of the reinforcing strip is trapezoidal.

[0007] Preferably, the butterfly wing comprises a protective layer, an auxiliary layer and a metal base layer, and one side of the protective layer is compounded with the auxiliary layer.

[0008] Preferably, the thickness of the auxiliary layer is 1.5 times that of the protective layer, and one side of the auxiliary layer is compounded with the metal base layer.

[0009] Preferably, the nut body bottom is inserted with an insertion rod, one end of the insertion rod is fixed with a connecting disc, and one side of the connecting disc is overlapped with the nut body.

[0010] Preferably, one side of the nut body is provided with a mounting hole, and the outer ring surface of the insertion rod is provided with a limiting hole.

[0011] Preferably, a limiting pin is inserted into the mounting hole and the limiting hole, and one side of the limiting pin is overlapped with the nut body.

[0012] Preferably, one side of the connecting disc is fixedly connected with a conical sleeve, and the inside of the conical sleeve is provided with a thread.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] 1、In the utility model, the two ends of the connecting rod are fixedly connected with the extension pipe and the butterfly wing respectively, the bottom of the extension pipe is fixedly connected with the nut body, the extension pipe rotates synchronously with the nut body when the butterfly wing rotates the nut body, the reinforcing strip can increase the roughness of the surface of the butterfly wing, reduce the sliding when rotating the butterfly wing, the reinforcing strip can support and reinforce one side of the connecting rod, the extension pipe, the connecting rod and the butterfly wing also form a triangular structure, so that the butterfly wing is reinforced, thereby the deformation of the butterfly wing under stress can be reduced.

[0015] 2、In the utility model, the conical sleeve is fixedly connected with the connecting disc, the connecting disc is fixedly connected with the insertion rod, when the insertion rod is inserted into the nut body, the connecting disc is attached to the bottom of the nut body, then the limiting pin is inserted into the mounting hole and the limiting hole in sequence, so that the limiting and fixing of the connecting disc are realized, the conical sleeve can be quickly disassembled and replaced after wear through the limiting pin and the insertion rod, and the normal use of the nut is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic view of the butterfly nut structure is provided for the utility model;

[0017] Figure 2 A connecting disc structure schematic view of the butterfly nut structure is provided for the utility model;

[0018] Figure 3 An anti-skid strip structure installation schematic view of the butterfly nut structure is provided for the utility model;

[0019] Figure 4 A reinforcing strip structure installation schematic view of the butterfly nut structure is provided for the utility model;

[0020] Figure 5 A butterfly wing structure sectional view of the butterfly nut structure is provided for the utility model.

[0021] Legend: 1, extension pipe; 2, butterfly wing; 201, protective layer; 202, auxiliary layer; 203, metal base layer; 3, nut body; 4, conical sleeve; 5, limiting pin; 6, connecting disc; 7, plug-in rod; 8, anti-skid strip; 9, connecting rod; 10, reinforcing strip; 11, reinforcing strip; 12, mounting hole; 13, limiting hole. DETAILED DESCRIPTION

[0022] In order to enable the above-mentioned purposes, features and advantages of the present application to be more clearly understood, the present application will be further described below with reference to the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0024] Embodiment one: refer to Figures 1-5 As shown: a butterfly nut structure, including nut body 3, the outer ring surface of nut body 3 is fixedly connected with butterfly wing 2, one side of butterfly wing 2 is fixedly connected with connecting rod 9, one end of connecting rod 9 is fixedly connected with extension pipe 1, the inner wall of extension pipe 1 is fixedly connected with anti-skid strip 8, the cross section of anti-skid strip 8 is arc-shaped, one end of extension pipe 1 is fixedly connected with nut body 3, one side of nut body 3 is fixedly connected with reinforcing strip 11, the other end of reinforcing strip 11 is fixedly connected with connecting rod 9, and one side of butterfly wing 2 is fixedly connected with reinforcing strip 10, the cross section of reinforcing strip 10 is trapezoidal, butterfly wing 2 includes protective layer 201, auxiliary layer 202 and metal base layer 203, one side of protective layer 201 is compounded with auxiliary layer 202, the thickness of auxiliary layer 202 is 1.5 times of protective layer 201, one side of auxiliary layer 202 is compounded with metal base layer 203.

[0025] The butterfly wing 2 can assist the rotation of the nut body 3. The reinforcing strip 10 is provided with uneven patterns on the surface. The installation on both sides of the butterfly wing 2 can increase the friction between the hands or tools when the butterfly wing 2 rotates, thereby reducing the loosening of the nut when rotating, reducing the uneven force phenomenon when the nut rotates, and the anti-skid strip 8 inside the extension pipe 1. The arc-shaped anti-skid strip 8 has good fitting effect with the bolt, which can reduce the loosening between the bolt and the extension pipe 1. The connecting rod 9 can realize the connection between the butterfly wing 2 and the extension pipe 1. The extension pipe 1 and the connecting rod 9 can reinforce one side of the butterfly wing 2. The reinforcing strip 11 reinforces one side of the connecting rod 9, thereby improving the connection strength between the butterfly wing 2 and the extension pipe 1, and reducing the deformation of the butterfly wing 2 when rotating under external force. The auxiliary layer 202 can assist the connection between the metal base layer 203 and the protective layer 201, making the connection between the protective layer 201 and the metal base layer 203 more compact. The protective layer 201 can protect the surface layer of the metal base layer 203, has waterproof and corrosion-resistant effect, thereby avoiding the decrease of service life of the butterfly wing 2 due to corrosion. The protective layer 201 and the auxiliary layer 202 are symmetrically arranged on both sides of the metal base layer 203, which can realize the protection of both sides of the metal base layer 203 and ensure the service life of the bolt as a whole.

[0026] Embodiment two: as shown in Figure 1 and Figure 2 The nut body 3 is inserted with the insertion rod 7 at the bottom. One end of the insertion rod 7 is fixed with the connecting disc 6. One side of the connecting disc 6 is overlapped with the nut body 3. One side of the nut body 3 is provided with the mounting hole 12. The outer ring surface of the insertion rod 7 is provided with the limiting hole 13. The limiting pin 5 is inserted into the mounting hole 12 and the limiting hole 13. One side of the limiting pin 5 is overlapped with the nut body 3. One side of the connecting disc 6 is fixedly connected with the conical sleeve 4. The conical sleeve 4 is internally provided with threads.

[0027] The insertion rod 7 can guide the installation of the connecting disc 6 at the bottom of the nut body 3, thereby reducing the positional deviation of the connecting disc 6 and the conical sleeve 4 when connected with the nut body 3. The mounting hole 12 can guide the insertion of the limiting pin 5, thereby facilitating the insertion of the end of the limiting pin 5 into the limiting hole 13, limiting the insertion rod 7 and the connecting disc 6, and stably installing the limiting pin 5 at the bottom of the nut body 3. The conical sleeve 4 can increase the contact area with the bolt, thereby reducing the loosening of the nut during use and ensuring the stable connection between the nut and the bolt.

[0028] The working principle and method of using the device: first, the whole nut is used, the plug-in rod 7 is inserted into the nut body 3, the top of the connecting disc 6 is overlapped with the nut body 3, then the limiting pin 5 is inserted into the limiting hole 13, the tapered sleeve 4 and the connecting disc 6 are installed at the bottom of the nut body 3, the whole structure is sleeved on the bolt, the butterfly wings 2 on both sides are rotated, the nut body 3 is driven to rotate along the bolt, until the bolt is tightened, the anti-skid strip 8 in the extension pipe 1 is pressed tightly with the bolt, the inner wall of the tapered sleeve 4 is connected with the bolt, the outer wall of the tapered sleeve 4 can be inserted into the installation area of the bolt, the fixing of the bolt is completed, wherein the protective layer 201 is made of epoxy coating, has the effect of waterproof and corrosion resistance, the auxiliary layer 202 is made of polyurethane intermediate paint, can prevent the coating from cracking caused by the different thermal expansion coefficients between the protective layer 201 and the metal base layer 203, and can improve the use effect of the protective layer 201.

[0029] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still belongs to the protection scope of the present application.

Claims

1. A structure of a winged nut, comprising a nut body (3) to which a wing (2) is fixedly connected on the outer ring surface, characterized in that: The butterfly wing (2) is fixedly connected with a connecting rod (9) on one side, one end of the connecting rod (9) is fixedly connected with an extension pipe (1), the inner wall of the extension pipe (1) is fixedly connected with an anti-skid strip (8), the anti-skid strip (8) is arc-shaped in cross section, one end of the extension pipe (1) is fixedly connected with a nut body (3), the nut body (3) is fixedly connected with a reinforcing strip (11) on one side, the other end of the reinforcing strip (11) is fixedly connected with the connecting rod (9), and the butterfly wing (2) is fixedly connected with a reinforcing strip (10) on one side, the reinforcing strip (10) is trapezoidal in cross section.

2. The thumb nut structure of claim 1, wherein: The butterfly wing (2) comprises a protective layer (201), an auxiliary layer (202) and a metal base layer (203), and the protective layer (201) is combined with the auxiliary layer (202) on one side.

3. The thumb nut structure of claim 2, wherein: The thickness of the auxiliary layer (202) is 1.5 times that of the protective layer (201), and the auxiliary layer (202) is combined with the metal base layer (203) on one side.

4. The thumb nut structure of claim 1, wherein: The bottom of the nut body (3) is inserted with a plug-in rod (7), one end of the plug-in rod (7) is fixedly connected with a connecting disc (6), and the connecting disc (6) is overlapped with the nut body (3) on one side.

5. The thumb nut structure of claim 4, wherein: A mounting hole (12) is formed in the nut body (3) on one side, and a limiting hole (13) is formed in the outer ring surface of the plug-in rod (7).

6. The thumb nut structure of claim 5, wherein: A limiting pin (5) is inserted into the mounting hole (12) and the limiting hole (13), and the limiting pin (5) is overlapped with the nut body (3) on one side.

7. The thumb nut structure of claim 4, wherein: The connecting disc (6) is fixedly connected with a conical sleeve (4) on one side, and the conical sleeve (4) is internally provided with a thread.

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