Novel locknut and method

Abstract

The invention relates to the technical field of mechanical parts, and discloses a novel locknut which comprises a lower component, an upper component, an upper component and a lower component. The upper component is arranged on the lower component in a combined mode, the upper component and the lower component are used in a matched mode, the upper component is used for threaded connection, the lower component and the upper component are assembled in a combined mode to form a groove, the groove width is 1 mm, and the groove depth is 8 mm; the anti-loose gasket is arranged on the lower component and used for preventing looseness, the bottom of the lower component extends outwards to form a first lower outer edge, first oblique teeth are arranged at the bottom of the first lower outer edge, and the first oblique teeth are connected with the anti-loose gasket in a meshed mode. And a plurality of embedding grooves are formed in the inner cavity wall of the lower component. According to the invention, better anti-loosening and fastening effects can be achieved, the manufacturing cost is low, preparation can be carried out through a plurality of methods, the process is simple, and the production period is short.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical parts, and in particular to a novel anti-loosening nut and a method. Background Art

[0002] The anti-loosening nut is an innovative fastener with stronger locking ability than ordinary nuts. Through special design and manufacturing process, it can tighten the thread under the action of torque and will not loosen or come loose easily.

[0003] The existing Chinese patent anti-loosening nut and its preparation method, with publication number CN113074178B, includes an operating part for clamping, tightening or loosening operations; a threaded part, the inner surface of which has threads for threading, located inside the operating part; a connecting part, located at the top of the operating part and the threaded part, used to connect the operating part and the threaded part; a gap is formed between the operating part and the threaded part. The above-mentioned nut provided by the present invention divides the nut into two main parts, the operating part of the outer ring assists the screwing operation, and the threaded part of the inner ring is matched with the screw or bolt for connection. A certain gap is left between the two. Compared with the integrated structure, this structure can transmit vibration from the operating part to the threaded part in a vibration environment, thereby enhancing the tightening effect.

[0004] The inventor of the present invention found in the actual application process that the manufacturing cost of the above-mentioned nut is too high, the process is complicated and the production cycle is long through powder metallurgy technology, therefore, we proposed a new type of anti-loosening nut and method. Summary of the invention

[0005] 1. Technical issues to be solved

[0006] In view of the shortcomings of the prior art, the present invention provides a new type of anti-loosening nut and method, which has the advantages of better anti-loosening and tightening effect, low manufacturing cost, can be prepared by a variety of methods, simple process, short production cycle, etc., and solves the problems of high manufacturing cost, complicated process and long production cycle through powder metallurgy technology.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose of having a better anti-loosening and tightening effect, low manufacturing cost, being able to be prepared by a variety of methods, having a simple process and a short production cycle, the present invention provides the following technical solutions: a new type of anti-loosening nut, comprising: a lower member, the lower member is used for force operation and combined assembly;

[0009] An upper member, the upper member is assembled on the lower member, and the two are used in conjunction with each other, the upper member is used for threaded connection, the lower member and the upper member are assembled to form a groove, the groove width of the groove is 1mm, and the groove depth is 8mm;

[0010] An anti-loosening gasket is arranged on the lower component and is used to prevent loosening.

[0011] As a preferred technical solution of the present invention, the bottom of the lower member extends outward to form a first lower outer edge, the bottom of the first lower outer edge is provided with a first oblique tooth, and the first oblique tooth is meshedly connected with the anti-loosening gasket;

[0012] A plurality of inlay grooves are provided on the inner cavity wall of the lower component. The plurality of inlay grooves are arranged in a circular array on the inner cavity wall of the lower component. The inner cavity of the inlay grooves is tightly fitted and connected with the upper component.

[0013] As a preferred technical solution of the present invention, fourth bevel teeth are provided on both the upper and lower surfaces of the anti-loosening gasket, and the fourth bevel teeth are meshed and connected with the first bevel teeth and used in combination, and the fourth bevel teeth are used to increase the force.

[0014] As a preferred technical solution of the present invention, the inner cavity wall of the upper member is provided with a first thread groove, and the first thread groove is used for screw connection;

[0015] The top of the upper component extends outward to form a first upper outer edge, and a plurality of inlay ribs are fixedly installed on the bottom end of the first upper outer edge. The plurality of inlay ribs are arranged in a circular array on the bottom end of the inlay ribs, and the inlay ribs are inlaid and connected with the inner cavity of the inlay groove, and the outer surface shape and size of the inlay ribs are adapted to the shape and size of the inner cavity of the inlay groove.

[0016] A novel method for making a nut capable of preventing loosening, comprising the following steps: S1, selecting a blank: specifically, selecting a mother blank suitable for preparing a lower component, an upper component and an anti-loosening gasket;

[0017] S2. Based on S1, stamping forming: specifically, forming a blank by cold forging or hot forging;

[0018] S3, based on S2, tapping: specifically tapping inside the upper component to form a first thread groove in the inner cavity of the upper component;

[0019] S4, surface treatment based on S3;

[0020] S5. On the basis of S4, an inlay assembly is performed: specifically, the upper component is inlaid and assembled in the lower component, and the anti-loosening gasket is engaged and used with the lower component. At this time, the inlay rib is inlaid in the inlay groove, and the first oblique tooth is engaged and matched with the fourth oblique tooth.

[0021] As a preferred technical solution of the present invention, a plurality of welding protrusions are fixedly mounted on the top of the lower member, and the plurality of welding protrusions are arranged in a circular array on the top of the lower member;

[0022] The bottom of the lower component extends outward to form a second lower outer edge, and the bottom of the second lower outer edge has a plane, which is used to increase force.

[0023] As a preferred technical solution of the present invention, the top of the upper component extends outward to form a second upper outer edge, and the inner cavity wall of the upper component is provided with a second thread groove, and the second thread groove is used for threaded connection.

[0024] A novel method for preventing a nut from loosening comprises the following steps: A1, selecting a blank: specifically, selecting a mother blank suitable for preparing a lower component and an upper component;

[0025] A2. Based on A1, stamping forming: specifically, forming a blank by cold forging or hot forging;

[0026] A3. Based on A2, tapping: Specifically, tapping inside the upper component to form a second thread groove in the inner cavity of the upper component;

[0027] A4, surface treatment based on A3;

[0028] A5. Based on A4, the pressure welding process: specifically, the upper component is assembled in the lower component, and then the lower component and the upper component are welded together by welding the welding protrusions using high-frequency electric welding technology;

[0029] A6: Based on A5, the surface is treated again.

[0030] A novel anti-loosening nut comprises: an anti-loosening nut, an inner cavity wall of the anti-loosening nut is provided with a third thread groove, the third thread groove is used for threaded connection, the bottom of the anti-loosening nut extends outward to form a third lower outer edge, and a groove with a width of 1 mm and a depth of 8 mm is provided at the junction of the third lower outer edge and the anti-loosening nut, and a third bevel tooth is provided at the bottom of the third lower outer edge, and the third bevel tooth is used to increase the force.

[0031] A novel method for preventing nuts from loosening comprises the following steps:

[0032] B1. Choose any type of flange nut;

[0033] B2. Based on B1, machine tool processing: specifically, by using CNC machine tools or Swiss-type lathe technology, a groove with a width of 1 mm and a depth of 8 mm is machined at the junction of the third lower outer edge and the anti-loosening nut, and a third bevel tooth is machined at the third lower outer edge;

[0034] B3. Based on B2, tapping: Specifically, tapping the inside of the flange nut to form a third thread groove in the inner cavity of the flange nut;

[0035] B4, surface treatment based on B3. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 This is a schematic diagram of the overall structural combination of Example 1 of the present invention;

[0037] Figure 2 This is an exploded schematic diagram of the overall structure of Example 1 of the present invention;

[0038] Figure 3 This is a bottom view structural diagram of the lower component in Embodiment 1 of the present invention;

[0039] Figure 4 This is a schematic diagram of the top view of the lower component in Example 1 of the present invention;

[0040] Figure 5 This is a schematic diagram of the structure of the upper component in Example 1 of the present invention;

[0041] Figure 6 This is a schematic diagram of the overall structural combination of Example 2 of the present invention;

[0042] Figure 7 This is an exploded schematic diagram of the overall structure of Example 2 of the present invention;

[0043] Figure 8 This is a schematic diagram of the overall structure of Example 3 of the present invention.

[0044] In the figure: 11, lower member; 112, first lower outer edge; 113, first oblique tooth; 114, inlay groove; 115, welding protrusion; 116, second lower outer edge; 117, plane; 12, upper member; 121, first thread groove; 122, first upper outer edge; 123, inlay rib; 124, second thread groove; 13, third thread groove; 14, third lower outer edge; 15, third oblique tooth; 2, anti-loosening gasket; 21, fourth oblique tooth. DETAILED DESCRIPTION

[0045] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0046] Example 1

[0047] Reference Figure 1-5 , which is the first embodiment of the present invention, provides a new type of anti-loosening nut, including: a lower member 11, the lower member 11 is used for force operation and combined assembly;

[0048] The upper member 12 is assembled on the lower member 11 and the two are used in conjunction with each other. The upper member 12 is used for threaded connection. The lower member 11 and the upper member 12 are assembled to form a groove. The groove has a groove width of 1 mm and a groove depth of 8 mm.

[0049] Anti-loosening gasket 2, the anti-loosening gasket 2 is arranged on the lower component 11, and the anti-loosening gasket 2 is used to prevent loosening.

[0050] The bottom of the lower member 11 extends outward to form a first lower outer edge 112. The bottom of the first lower outer edge 112 is provided with a first oblique tooth 113. The first oblique tooth 113 is meshedly connected with the anti-loosening gasket 2.

[0051] A plurality of inlay grooves 114 are provided on the inner wall of the lower component 11 . The plurality of inlay grooves 114 are arranged in a circular array on the inner wall of the lower component 11 . The inner cavity of the inlay grooves 114 is tightly fitted and connected to the upper component 12 .

[0052] Fourth oblique teeth 21 are provided on both the upper and lower surfaces of the anti-loosening gasket 2. The fourth oblique teeth 21 are meshed and connected with the first oblique teeth 113 and used in conjunction with each other. The fourth oblique teeth 21 are used to increase the force.

[0053] The inner cavity wall of the upper member 12 is provided with a first thread groove 121, and the first thread groove 121 is used for screw connection;

[0054] The top of the upper component 12 extends outward to form a first upper outer edge 122, and a plurality of inlay ribs 123 are fixedly installed on the bottom end of the first upper outer edge 122. The plurality of inlay ribs 123 are arranged in a circular array on the bottom end of the inlay ribs 123. The inlay ribs 123 are inlaid and connected with the inner cavity of the inlay groove 114, and the outer surface shape and size of the inlay ribs 123 are adapted to the inner cavity shape and size of the inlay groove 114.

[0055] A novel method for making a nut capable of preventing loosening, comprising the following steps: S1, selecting a blank: specifically, selecting a mother blank suitable for preparing a lower component 11, an upper component 12 and a loosening prevention gasket 2;

[0056] S2. Based on S1, stamping forming: specifically, forming a blank by cold forging or hot forging;

[0057] S3, based on S2, tapping: specifically tapping the interior of the upper member 12 to form a first thread groove 121 in the inner cavity of the upper member 12;

[0058] S4, surface treatment based on S3;

[0059] S5. On the basis of S4, an inlay assembly is performed: specifically, the upper component 12 is inlaid and assembled in the lower component 11, and the anti-loosening gasket 2 is meshed and cooperated with the lower component 11. At this time, the inlay rib 123 is inlaid in the inlay groove 114, and the first oblique tooth 113 is meshed and cooperated with the fourth oblique tooth 21.

[0060] Example 2

[0061] Reference Figure 6-7 , which is the second embodiment of the present invention, which is different from the first embodiment in that: a plurality of welding protrusions 115 are fixedly mounted on the top of the lower member 11, and the plurality of welding protrusions 115 are arranged in a circular array on the top of the lower member 11;

[0062] The bottom of the lower component 11 extends outward to form a second lower outer edge 116 . The bottom of the second lower outer edge 116 has a plane 117 . The plane 117 is used to increase the force.

[0063] The top of the upper member 12 extends outward to form a second upper outer edge, and the inner cavity wall of the upper member 12 is provided with a second thread groove 124, which is used for thread connection.

[0064] A novel method for preventing a nut from loosening includes the following steps: A1, blank selection: specifically, selecting a mother blank suitable for preparing a lower component 11 and an upper component 12;

[0065] A2. Based on A1, stamping forming: specifically, forming a blank by cold forging or hot forging;

[0066] A3. Based on A2, tapping: Specifically, tapping the interior of the upper member 12 to form a second thread groove 124 in the inner cavity of the upper member 12;

[0067] A4, surface treatment based on A3;

[0068] A5. Based on A4, a pressure welding process: specifically, the upper member 12 is assembled in the lower member 11, and then the welding protrusion 115 is welded together by high-frequency electric welding technology to weld the lower member 11 and the upper member 12 together;

[0069] A6: Based on A5, the surface is treated again.

[0070] The remaining structures are the same as those of Example 1.

[0071] Example 3

[0072] Reference Figure 8 , which is the third embodiment of the present invention, and this embodiment is different from the second embodiment in that:

[0073] A novel anti-loosening nut comprises: an anti-loosening nut, an inner cavity wall of which is provided with a third thread groove 13, the third thread groove 13 is used for threaded connection, the bottom of the anti-loosening nut extends outward to form a third lower outer edge 14, and a groove with a groove width of 1 mm and a groove depth of 8 mm is provided at the junction of the third lower outer edge 14 and the anti-loosening nut, and a third oblique tooth 15 is provided at the bottom of the third lower outer edge 14, and the third oblique tooth 15 is used to increase the force.

[0074] A novel method for preventing nuts from loosening comprises the following steps:

[0075] B1. Choose any type of flange nut;

[0076] B2. Based on B1, machining: Specifically, a groove with a width of 1 mm and a depth of 8 mm is machined at the junction of the third lower outer edge 14 and the anti-loosening nut by using a CNC machine tool or a Swiss-type lathe, and a third bevel tooth 15 is machined at the third lower outer edge 14;

[0077] B3. Based on B2, tapping: specifically, tapping inside the flange nut to form a third thread groove 13 in the inner cavity of the flange nut;

[0078] B4, surface treatment based on B3.

[0079] The remaining structure is the same as that of Example 2.

[0080] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A new type of anti-loosening nut, characterized by: include: A lower member (11), wherein the lower member (11) is used for force application operation and assembly; An upper member (12), the upper member (12) is assembled on the lower member (11), and the two are used in conjunction with each other, the upper member (12) is used for threaded connection, the lower member (11) and the upper member (12) are assembled to form a groove, the groove width of the groove is 1 mm, and the groove depth is 8 mm; An anti-loosening gasket (2), wherein the anti-loosening gasket (2) is arranged on the lower component (11), and the anti-loosening gasket (2) is used to prevent loosening.

2. A novel anti-loosening nut according to claim 1, characterized in that: The bottom of the lower member (11) extends outward to form a first lower outer edge (112), and a first oblique tooth (113) is provided at the bottom of the first lower outer edge (112), and the first oblique tooth (113) is meshedly connected with the anti-loosening gasket (2); A plurality of inlay grooves (114) are provided on the inner cavity wall of the lower component (11), and the plurality of inlay grooves (114) are arranged in a circular array on the inner cavity wall of the lower component (11), and the inner cavity of the inlay grooves (114) is tightly fitted and connected to the upper component (12).

3. A novel anti-loosening nut according to claim 2, characterized in that: The upper and lower surfaces of the anti-loosening gasket (2) are both provided with fourth oblique teeth (21), the fourth oblique teeth (21) are meshedly connected with the first oblique teeth (113) and used in conjunction with each other, and the fourth oblique teeth (21) are used to increase the force.

4. A novel anti-loosening nut according to claim 2, characterized in that: The inner cavity wall of the upper member (12) is provided with a first thread groove (121), and the first thread groove (121) is used for thread connection; The top of the upper component (12) extends outward to form a first upper outer edge (122), and a plurality of inlay ribs (123) are fixedly mounted on the bottom end of the first upper outer edge (122). The plurality of inlay ribs (123) are arranged in a circular array on the bottom end of the inlay ribs (123), and the inlay ribs (123) are inlaid and connected with the inner cavity of the inlay groove (114), and the outer surface shape and size of the inlay ribs (123) are adapted to the inner cavity shape and size of the inlay groove (114).

5. The novel method for preventing a nut from loosening as claimed in claims 1 to 4, characterized in that: The method comprises the following steps: S1, blank selection: specifically, selecting a mother blank suitable for preparing a lower component (11), an upper component (12) and an anti-loosening gasket (2); S2. Based on S1, stamping forming: specifically, forming a blank by cold forging or hot forging; S3, based on S2, tapping: specifically tapping inside the upper member (12) to form a first thread groove (121) in the inner cavity of the upper member (12); S4, surface treatment based on S3; S5. Based on S4, the inlay assembly is performed: specifically, the upper component (12) is inlaid and assembled in the lower component (11), and the anti-loosening gasket (2) is meshed and matched with the lower component (11). At this time, the inlay rib (123) is inlaid in the inlay groove (114), and the first oblique tooth (113) is meshed and matched with the fourth oblique tooth (21).

6. A novel anti-loosening nut according to claim 1, characterized in that: A plurality of welding protrusions (115) are fixedly mounted on the top of the lower member (11), and the plurality of welding protrusions (115) are arranged in a circular array on the top of the lower member (11); The bottom of the lower component (11) extends outward to form a second lower outer edge (116), and the bottom of the second lower outer edge (116) has a plane (117), and the plane (117) is used to increase the force.

7. A novel anti-loosening nut according to claim 6, characterized in that: The top of the upper component (12) extends outward to form a second upper outer edge, and the inner cavity wall of the upper component (12) is provided with a second thread groove (124), and the second thread groove (124) is used for threaded connection.

8. The novel method for preventing a nut from loosening as described in claims 1, 6-7, characterized in that: The method comprises the following steps: A1, blank selection: specifically, selecting a mother blank suitable for preparing a lower component (11) and an upper component (12); A2. Based on A1, stamping forming: specifically, forming a blank by cold forging or hot forging; A3. Based on A2, tapping: specifically, tapping inside the upper member (12) to form a second thread groove (124) in the inner cavity of the upper member (12); A4, surface treatment based on A3; A5. Based on A4, a pressure welding process: specifically, the upper component (12) is assembled in the lower component (11), and then the welding protrusion (115) is welded together by high-frequency electric welding technology to weld the lower component (11) and the upper component (12); A6: Based on A5, the surface is treated again.

9. A new type of anti-loosening nut, characterized by: include: A lock nut, wherein the inner cavity wall of the lock nut is provided with a third thread groove (13), and the third thread groove (13) is used for threaded connection. The bottom of the lock nut extends outward to form a third lower outer edge (14), and a groove with a groove width of 1 mm and a groove depth of 8 mm is provided at the connection between the third lower outer edge (14) and the lock nut. A third oblique tooth (15) is provided at the bottom of the third lower outer edge (14), and the third oblique tooth (15) is used to increase the force.

10. The novel method for preventing a nut from loosening as claimed in claim 9, characterized in that: The steps include: B1. Choose any type of flange nut; B2. Based on B1, machining: specifically, machining a groove with a width of 1 mm and a depth of 8 mm at the junction of the third lower outer edge (14) and the anti-loosening nut by using a CNC machine tool or a Swiss-type lathe, and machining a third bevel tooth (15) at the third lower outer edge (14); B3. Based on B2, tapping: specifically, tapping inside the flange nut to form a third thread groove (13) in the inner cavity of the flange nut; B4, surface treatment based on B3.

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