Connecting nut

Abstract

The connecting nut comprises a nut body, a containing groove, a gasket and a rotating ring, the containing groove is formed in the nut body, a connecting part is movably arranged in the containing groove, one end of the connecting part extends to the top of the nut body to be connected with the gasket, a notch is formed in the nut body, and the rotating ring is arranged in the notch. And a rotating ring is arranged in the notch, connecting columns are arranged on the two sides of the interior of the rotating ring, springs are fixedly connected to the interiors of the connecting columns, and a connecting rod is fixedly connected to one end of each spring. According to the nut, the connecting groove makes contact with the rotating ring, the rotating ring is shifted to drive the internal connecting column to move inside, the limiting block enters the groove hole, and under the action of the spring, the left-hand thread on the limiting block is embedded into the thread on the bolt, so that the connecting strength of the nut body and the bolt is improved; the gasket matching connecting part is located on the top of the nut body, and therefore when the bolt is connected with the nut body, extra assembling work is reduced.

Description

Technical Field

[0001] The utility model relates to the field of nuts, in particular to a connecting nut. Background Art

[0002] A nut is a nut that is screwed together with a bolt or screw to tighten the machine. The nut is a part that tightly connects mechanical equipment. Nuts and bolts of the same specifications can be connected together through the inner thread.

[0003] After searching, Chinese utility model patent CN212690558U discloses a removable connecting nut assembly, including an inner nut and an outer nut, wherein the inner nut is threadedly sleeved on a screw, an inner thread is arranged on the outer periphery of the inner nut, and the outer nut is movably connected to the inner nut through a thread, the inner nut includes a first washer groove, a nut barrel and a rotating block, the first washer groove is arranged on the left end face of the inner nut, the rotating block is arranged on the right end face of the inner screw, a nut barrel is arranged between the first washer groove and the rotating block, the outer nut includes a second washer groove, a second washer, a screw hole and a convex edge, the second washer groove is arranged on the left end face of the outer nut, the second washer is inserted into the second washer groove, and a convex edge is arranged on the right side of the second washer groove, compared with the prior art.

[0004] The existing device will have the following problems when in use: the bolts and nuts will be vibrated when used for a long time, causing the bolts and nuts to separate, reducing the stability of the connection and causing damage to the fixed equipment. Secondly, the gasket needs additional manual assembly, and the gasket is easy to tilt during assembly, requiring manual adjustment, which reduces the assembly efficiency of the bolts and nuts. Utility Model Content

[0005] The purpose of the utility model is to provide a connecting nut to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a connecting nut, comprising a nut body, a placement groove, a gasket, and a rotating ring, wherein a placement groove is provided in the nut body, a connecting part is movably provided in the placement groove, one end of the connecting part extends to the top of the nut body and is connected with a gasket, a notch is provided inside the nut body, a rotating ring is provided inside the notch, connecting columns are provided on both sides of the rotating ring, a spring is fixedly connected inside the connecting column, a connecting rod is fixedly connected to one end of the spring, and a limiting block is connected to one end of the connecting rod, which contacts the rotating ring through the connecting groove, and the rotating ring is turned to drive the internal connecting column to move inside, and the connecting column squeezes the spring when moving, and when it moves to the slot hole, the limit block enters the slot hole. Under the action of the spring, the reverse thread on the limit block is engaged with the bolt to prevent the bolt and the nut body from loosening.

[0007] In a further embodiment, a connection groove is provided on one side of the nut body, and the notch is connected to the connection groove and contacts the rotating ring through the connection groove.

[0008] In a further embodiment, an internal thread is provided inside the nut body, the internal thread is threadably connected to the bolt, and the bolt is threadably connected to the nut body in cooperation with the internal thread.

[0009] In a further embodiment, a reverse thread is provided on one side of the limit block, and the reverse thread is adapted to the bolt, and the reverse thread cooperates with the bolt to increase the strength of the connection.

[0010] In a further embodiment, a slot is provided in the internal thread, and an anti-slip pattern is provided on the outer surface of the rotating ring, and the rotating ring is moved by means of the anti-slip pattern.

[0011] In a further embodiment, a limiting plate is provided at one end of the connecting rod away from the limiting block, and a spring is fixedly connected to one side of the limiting plate to limit the connecting rod to prevent the connecting rod from escaping from the interior of the connecting column.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The connecting groove contacts the rotating ring, and the rotating ring is turned to drive the internal connecting column to move inside. The limit block enters the slot hole. Under the action of the spring, the reverse thread on the limit block is embedded into the thread on the bolt, thereby increasing the connection strength between the nut body and the bolt and preventing the nut body from separating from the bolt.

[0014] 2. The gasket matching connection part is located at the top of the nut body, so that when the bolt is connected with the nut body, additional assembly work is reduced and the practicality of the nut body is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the gasket structure of the utility model;

[0018] Figure 4 It is a partial structural schematic diagram of the utility model.

[0019] In the figure: 1. nut body; 2. internal thread; 3. notch; 4. rotating ring; 5. connecting column; 6. spring; 7. connecting rod; 8. limit block; 9. slot; 10. connecting groove; 11. connecting part; 12. gasket; 13. placement groove; 14. bolt; 15. reverse thread. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figure 1-3 The utility model provides an embodiment: a connecting nut, including a nut body 1, a placement groove 13, a gasket 12, and a rotating ring 4. The nut body 1 is provided with a placement groove 13, and a connecting part 11 is movably arranged in the placement groove 13. One end of the connecting part 11 extends to the top of the nut body 1 and is connected with a gasket 12. The gasket 12 cooperates with the connecting part 11 to be located at the top of the nut body 1, so that when the bolt 14 is connected to the nut body 1, additional assembly work is reduced and the practicality of the nut body 1 is improved.

[0022] See also Figure 1-4 A notch 3 is provided inside the nut body 1, a rotating ring 4 is provided inside the notch 3, connecting columns 5 are provided on both sides of the rotating ring 4, a spring 6 is fixedly connected inside the connecting column 5, one end of the spring 6 is fixedly connected to a connecting rod 7, one end of the connecting rod 7 is connected to a limiting block 8, a connecting groove 10 is provided on one side of the nut body 1, the notch 3 is connected to the connecting groove 10, an internal thread 2 is provided inside the nut body 1, the internal thread 2 is threadedly connected to a bolt 14, the bolt 14 cooperates with the internal thread 2 to thread the nut body 1, and a reverse thread 15 is provided on one side of the limiting block 8, the reverse thread 1 5 is adapted to the bolt 14, a slot 9 is provided in the internal thread 2, and an anti-slip pattern is provided on the outer surface of the rotating ring 4. The rotating ring 4 is contacted through the connecting slot 10, and the rotating ring 4 is turned to drive the internal connecting column 5 to move inside. When the connecting column 5 moves, the spring 6 is squeezed. When it moves to the slot 9, the limit block 8 enters the slot 9. Under the action of the spring 6, the reverse thread 15 on the limit block 8 is embedded in the bolt 14, thereby increasing the connection strength between the nut body 1 and the bolt 14 and preventing the nut body 1 and the bolt 14 from falling off. A limit plate is provided at one end of the connecting rod 7 away from the limit block 8, and a spring 6 is fixedly connected to one side of the limit plate to limit the connecting rod 7.

[0023] Working principle: the bolt 14 is threadedly connected to the nut body 1 with the internal thread 2. At this time, it contacts the rotating ring 4 through the connecting groove 10. The rotating ring 4 is turned to drive the internal connecting column 5 to move inside. When the connecting column 5 moves, it squeezes the spring 6. When it moves to the slot 9, the limit block 8 enters the slot 9. Under the action of the spring 6, the reverse thread 15 on the limit block 8 is embedded in the thread on the bolt 14, thereby increasing the connection strength between the nut body 1 and the bolt 14. The gasket 12 cooperates with the connecting part 11 to be located at the top of the nut body 1, so that when the bolt 14 is connected to the nut body 1, additional assembly work is reduced.

[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended 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 be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A connecting nut, comprising a nut body (1), a placement groove (13), a gasket (12), and a rotating ring (4), characterized in that: A placement groove (13) is provided in the nut body (1), a connecting portion (11) is movably provided in the placement groove (13), one end of the connecting portion (11) extends to the top of the nut body (1) and is connected to a gasket (12), a notch (3) is provided inside the nut body (1), a rotating ring (4) is provided inside the notch (3), connecting columns (5) are provided on both sides of the rotating ring (4), a spring (6) is fixedly connected inside the connecting column (5), one end of the spring (6) is fixedly connected to a connecting rod (7), and one end of the connecting rod (7) is connected to a limiting block (8).

2. A connecting nut according to claim 1, characterized in that: A connecting groove (10) is provided on one side of the nut body (1), and the notch (3) is connected to the connecting groove (10).

3. A connecting nut according to claim 1, characterized in that: The interior of the nut body (1) is provided with an internal thread (2), and the internal thread (2) is threadedly connected to the bolt (14).

4. A connecting nut according to claim 1, characterized in that: A reverse thread (15) is provided on one side of the limit block (8), and the reverse thread (15) is adapted to the bolt (14).

5. A connecting nut according to claim 3, characterized in that: A slot hole (9) is provided inside the internal thread (2), and anti-slip grooves are provided on the outer surface of the rotating ring (4).

6. A connecting nut according to claim 1, characterized in that: A limiting plate is provided at one end of the connecting rod (7) away from the limiting block (8), and a spring (6) is fixedly connected to one side of the limiting plate.

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