A floating angle adjustment sleeve and assembly method

Abstract

The present invention discloses a floating angle adjustment sleeve and an assembly method. The floating angle adjustment sleeve includes a sleeve, a bolt, and a nut. A stopper is connected to the lower part of the sleeve, a fixing is provided below the stopper, and a nut is also provided below the sleeve. The nut is threadedly connected to the bolt. A spherical gasket is provided on the upper side of the lower end of the bolt, a flat gasket is provided on the upper side of the spherical gasket, and a washer is provided on the inner side of the flat gasket. The present invention realizes angle adjustment by designing arc surfaces between the contact surfaces of the nut and the sleeve and between the bolt and the spherical gasket. For misaligned holes that occur during the processing, the thread axes of the bolt and the nut are made collinear through angle adjustment, thereby reducing stress yield of the fastener and the connected part. The fastener is electroplated for corrosion protection to increase its service life.

Description

Technical Field

[0001] The invention relates to the field of mechanical assembly, and in particular to a floating angle adjustment sleeve and an assembly method. Background Art

[0002] With the development of new energy and lightweight automobiles, and the connection of dissimilar materials, squeeze rivet fasteners will be more widely used, and there will always be cumulative errors and other misaligned holes in the components during the processing / assembly process. The commonly used misaligned hole method is to open a large hole at one end, but opening a large hole at one end is often not allowed due to space and strength. If the connection is forced, shear stress will be formed on the fastener, resulting in a reduction in the service life of the fastener and damage to the equipment. Therefore, it is necessary to design an angle-adjustable fastener to solve the above problems. Summary of the invention

[0003] The object of the present invention is to provide a floating angle adjustment sleeve and an assembly method to solve the existing technical defects and unattainable technical requirements.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a floating angle adjustment sleeve, comprising a sleeve, a bolt, and a nut, wherein a stopper is connected to the lower part of the sleeve, a fixing is provided below the stopper, and a nut is also provided below the sleeve, and the nut is threadedly connected to the bolt.

[0005] Preferably, a spherical gasket is provided on the upper side of the lower end of the bolt, a flat gasket is provided on the upper side of the spherical gasket, and a washer is provided on the inner side of the flat gasket.

[0006] Preferably, a first arc surface is provided below the sleeve, and a second arc surface is provided on the lower side of the nut, and the first arc surface cooperates with the second arc surface to achieve angle adjustment.

[0007] Preferably, a third arc surface is provided on the lower side of the bolt, and the third arc surface cooperates with a spherical gasket to achieve angle adjustment.

[0008] Preferably, a through hole is provided in the middle of the fastener, and the upper end of the nut passes through the through hole.

[0009] Preferably, a first connecting member and a second connecting member are provided between the sleeve and the flat gasket.

[0010] Preferably, the sleeve, bolts, nuts, stops and fasteners are all treated with electroplating for corrosion protection.

[0011] Based on the above-mentioned floating angle adjustment sleeve, the present invention also provides an assembly method of the floating angle adjustment sleeve, comprising the following steps:

[0012] (1): Place the nut on the lower side of the sleeve;

[0013] (2): placing the fixing member on the lower side of the stopper, and the upper end of the nut passes through the through hole of the fixing member;

[0014] (3): Pass the bolt through the spherical gasket and the flat gasket, wherein the spherical gasket contacts the third arc surface, and the flat gasket is fixed on the bolt through a washer;

[0015] (4): Place the lower side of the sleeve against the first connecting piece, screw the bolt into the nut until the flat washer contacts the second connecting piece and tighten.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention realizes angle adjustment by designing arc surface matching between the contact surface of the nut and the sleeve, and between the bolt and the spherical gasket. For misaligned holes that occur during the processing, the thread axes of the bolt and the nut are made collinear through angle adjustment, thereby reducing stress yield of the fastener and the connected parts, and the fastener is electroplated for corrosion protection to increase its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention;

[0018] Figure 2 It is a structural schematic diagram of the sleeve of the present invention;

[0019] Figure 3 It is a structural schematic diagram of the firmware of the present invention;

[0020] Figure 4 It is a structural schematic diagram of a nut of the present invention;

[0021] Figure 5 It is a structural schematic diagram of the bolt of the present invention;

[0022] In the figure: 10-sleeve; 11-bolt; 12-stopper; 13-fixture; 14-nut; 15-first connecting member; 16-second connecting member; 17-washer; 18-flat washer; 19-spherical washer; 20-first arc surface; 21-through hole; 22-second arc surface; 23-third arc surface. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] See also Figure 1-5The present invention provides a technical solution: a floating angle adjustment sleeve and an assembly method, comprising a sleeve 10, a bolt 11, and a nut 14. A stopper 12 is connected to the lower part of the sleeve 10, a fixing device 13 is provided below the stopper 12, and a nut 14 is also provided below the inner part of the sleeve 10. The nut 14 is threadedly connected to the bolt 11; the fixing device 13 and the sleeve 10 have a shape in which the major axis and the minor axis match, so as to prevent the fixing device 13 and the sleeve 10 from rotating, and finally prevent the nut 14 and the sleeve 10 from rotating.

[0025] A spherical gasket 19 is provided on the upper side of the lower end of the bolt 11, a flat gasket 18 is provided on the upper side of the spherical gasket 19, and a washer 17 is provided on the inner side of the flat gasket 18; the washer 17 is used to fix the flat gasket 18 and the spherical gasket 19 on the bolt 11 to prevent them from falling off.

[0026] A first arc surface 20 is provided at the lower side of the sleeve 10 , and a second arc surface 22 is provided at the lower side of the nut 14 . The first arc surface 20 cooperates with the second arc surface 22 to achieve angle adjustment.

[0027] A third arc surface 23 is provided on the lower side of the bolt 11 , and the third arc surface 23 cooperates with the spherical gasket 19 to achieve angle adjustment.

[0028] A through hole 21 is provided in the middle of the fixing 13, and the upper end of the nut 14 passes through the through hole 21; the nut 14 and the fixing 13 have a shape in which the major axis and the minor axis match, so as to prevent the nut 14 and the fixing 13 from rotating freely.

[0029] A first connecting member 15 and a second connecting member 16 are provided between the sleeve 10 and the flat gasket 18 .

[0030] The sleeve 10, bolt 11, nut 14, stopper 12 and fastener 13 are all treated with electroplating for corrosion protection.

[0031] Based on the above-mentioned floating angle adjustment sleeve, the present invention also provides an assembly method of the floating angle adjustment sleeve, comprising the following steps:

[0032] (1): Place the nut 14 on the lower side of the sleeve 10;

[0033] (2): The fixing member 13 is placed on the lower side of the stopper 12, and the upper end of the nut 14 passes through the through hole 21 of the fixing member 13;

[0034] (3): The bolt 11 is passed through the spherical gasket 19 and the flat gasket 18, wherein the spherical gasket 19 is in contact with the third arc surface 23, and the flat gasket 18 is fixed to the bolt 11 through the washer 17;

[0035] (4): Place the lower side of the sleeve 10 against the first connecting member 15, and screw the bolt 11 into the nut 14 until the flat washer 18 is against the second connecting member 16 and tightened.

[0036] Working principle: When the first connecting member 15 and the second connecting member 16 are staggered, the bolt 11 adjusts the angle by cooperating with the spherical gasket 19 through the third arc surface 23, and the nut 14 adjusts the angle by cooperating with the first arc surface 10 of the sleeve 10 through the second arc surface 22. Tightening is achieved through the threaded connection between the bolt 11 and the nut 14, while reducing the stress formed on the bolt and the connected parts.

[0037] For the convenience of description, the directions mentioned above are defined as follows: the up, down, left, right, front and back directions mentioned above are the same as Figure 1 The up-down, left-right, front-back directions of the projection relationship itself are consistent.

[0038] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0039] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A method for assembling a floating angle adjustment sleeve, characterized in that: The floating angle adjustment sleeve comprises a sleeve (10), a bolt (11), and a nut (14); a stopper (12) is connected to the lower part of the sleeve (10); a fixing member (13) is provided below the stopper (12); a nut (14) is also provided below the sleeve (10); the nut (14) is threadedly connected to the bolt (11); a through hole (21) is provided in the middle of the fixing member (13); the upper end of the nut (14) passes through the through hole (21); the fixing member (13) and the sleeve (10) have a shape in which a long axis and a short axis match; the fixing member (13) and the nut (14) have a shape in which a long axis and a short axis match; the upper end of the lower end of the bolt (11) is provided with a through hole (21); A spherical gasket (19) is provided on the side, a flat gasket (18) is provided on the upper side of the spherical gasket (19), a washer (17) is provided on the inner side of the flat gasket (18), a first arc surface (20) is provided below the sleeve (10), a second arc surface (22) is provided on the lower side of the nut (14), the first arc surface (20) and the second arc surface (22) cooperate to achieve angle adjustment, a third arc surface (23) is provided on the lower side of the bolt (11), the third arc surface (23) cooperates with the spherical gasket (19) to achieve angle adjustment, a first connecting piece (15) and a second connecting piece (16) are provided between the sleeve (10) and the flat gasket (18), and the assembly method comprises the following steps: (1): Place the nut (14) on the lower side of the sleeve (10); (2): placing the fixing member (13) on the lower side of the stopper (12), and the upper end of the nut (14) passes through the through hole (21) of the fixing member (13); (3): The bolt (11) is passed through the spherical gasket (19) and the flat gasket (18), wherein the spherical gasket (19) is in contact with the third arc surface (23), and the flat gasket (18) is fixed to the bolt (11) through the washer (17); (4): Place the lower side of the sleeve (10) against the first connecting piece (15), screw the bolt (11) into the nut (14) until the flat washer (18) is against the second connecting piece (16) and tightened.

2. The method for assembling a floating angle adjustment sleeve according to claim 1, characterized in that: The sleeve (10), bolt (11), nut (14), stopper (12) and fastener (13) are all subjected to electroplating anti-corrosion treatment.

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