A quick-connect anti-vibration nut

Abstract

The present invention relates to a quick-connecting anti-vibration nut. At present, when performing bolt connection, it is easy to be loosened and detached during vibration. At the same time, the time for disassembling and installing bolts and nuts is long, and hand fatigue is prone to occur in places where kinetic tools are inconvenient to use. A quick-connecting anti-vibration nut, which comprises a tubular nut (1). The tubular nut is of a hollow cylindrical structure. A set of positioning cards (2) are arranged on the outer wall of the tubular nut in an annular structure. A set of anti-loosening cards (3) are arranged below the set of positioning cards. An elastic cross beam (4) is installed at the bottom of the tubular nut, and the elastic cross beam is installed at the midline position of the tubular nut; an elastic pressing member (5) is adopted on the tube surface of the lower part of the tubular nut. For the quick-connecting anti-vibration nut, the surface of the anti-loosening card is of an inclined surface structure, and the positioning card is of a conical protrusion structure. The present invention is applied to the field of preventing loosening of bolt assemblies.

Description

Technical Field

[0001] The invention relates to a quick-connection anti-vibration nut. Background Art

[0002] In many places affected by vibration sources (motors, air flow, liquid flow, mechanical movement, etc.), there are many guard plates or maintenance hole covers that need to be installed on the equipment body frame, or temporary frames and guardrails need to be built indoors and outdoors, as well as non-load-bearing equipment parts installed at high altitudes. The current common solution is to use threaded bolts and nuts for connection, which has the following disadvantages:

[0003] (1) It is easy to be shaken loose during vibration;

[0004] (2) These parts need to be disassembled frequently for maintenance. During the disassembly process, bolts and nuts are easily damaged or lost;

[0005] (3) It takes a long time to remove and install bolts and nuts, and it is easy to cause hand fatigue in places where it is inconvenient to use kinetic tools. Summary of the invention

[0006] The purpose of the present invention is to provide a quick-connect anti-vibration nut, which can solve the problem of bolt loosening due to vibration below a certain tensile force value. At the same time, the nut is easy to install and disassemble, takes less time (only needs to rotate about 110 degrees), is not easy to damage the bolt and nut, and has a very long service life (even can be disassembled and installed thousands of times).

[0007] The above purpose is achieved through the following technical solutions:

[0008] A quick-connect anti-vibration nut, comprising a tubular nut, the tubular nut being a hollow cylindrical structure, a group of positioning cards being arranged in an annular structure on the outer wall of the tubular nut, a group of anti-retraction cards being arranged below the group of positioning cards, an elastic crossbeam being installed at the bottom of the tubular nut, and the elastic crossbeam being installed at the midline position of the tubular nut;

[0009] The lower part of the tubular nut is provided with an elastic pressing piece on the tubular surface of the tubular nut.

[0010] The quick-connect anti-vibration nut, the surface of the anti-retraction card is an inclined structure, and the positioning card is a conical protrusion structure.

[0011] The quick-connect anti-vibration nut, the tubular nut, the anti-retraction card and the positioning card form a quick-connect anti-vibration nut.

[0012] The beneficial effects achieved by the present invention are:

[0013] 1. The present invention solves the problems of vibration loosening of non-load-bearing connection bolts, time-consuming and labor-intensive bolt installation, and durability in reality. It is an optimal substitute for non-load-bearing bolts.

[0014] 2. The nut of the present invention eliminates the traditional thread. The nut is processed from an elastic material tube into a partial elastic part, with an elastic crossbeam at the bottom, and an anti-retraction card and a positioning card on the upper part of the tubular nut to form a quick-connection anti-vibration nut. It is easy to install and disassemble and takes less time.

[0015] 3. In practical application, the elastic beam of the quick-connect anti-vibration nut and the oblique wire groove of the quick-connect anti-vibration bolt act to make the elastic beam enter the positioning groove along the oblique wire groove, and during this period, part of the elastic structure is pressed to keep the elastic beam in the positioning groove. When there is vibration, the bolt is always fixed on the nut under the joint action of the elastic element in the nut and the positioning groove of the bolt, so as to achieve the effect of anti-vibration and anti-loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0017] In the attached picture:

[0018] Attached Figure 1 It is a principle block diagram of the present invention;

[0019] Attached Figure 2 It is a schematic diagram of the connection between bolts and nuts;

[0020] Attached Figure 3 It is a schematic diagram of the use structure of bolts and nuts;

[0021] Attached Figure 4 Yes Figure 3 The main view;

[0022] Attached Figure 5 It is a schematic diagram of the structure of a tubular screw;

[0023] Attached Figure 6 It is a schematic diagram of the structure after the tubular nut and the tubular screw are locked.

[0024] In the figure: 1. tubular nut, 2. positioning card, 3. anti-retraction card, 4. elastic cross beam, 5. elastic pressure piece, 6. screw cap, 7. tubular screw, 8. oblique guide groove, 9. positioning groove, 10. mounting plate. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0026] A quick-connect anti-vibration nut, such as Figure 1 As shown, it comprises a tubular nut 1, the tubular nut is a hollow cylindrical structure, a group of positioning cards 2 are arranged in an annular structure on the outer wall of the tubular nut, a group of anti-retraction cards 3 are arranged below the group of positioning cards, an elastic crossbeam 4 is installed at the bottom of the tubular nut, and the elastic crossbeam is installed at the midline position of the tubular nut; the lower part of the tubular nut is provided with an elastic pressing piece 5 on the tubular surface of the tubular nut. The quick-connect anti-vibration nut, the surface of the anti-retraction card is an inclined structure, and the positioning card is a conical protrusion structure.

[0027] The tubular nut, the anti-retraction card and the positioning card form a quick-connection anti-vibration nut.

[0028] like Figure 2-6 As shown, when in use, first insert the nut into the guard plate or the maintenance hole cover, at this time, the positioning card and the anti-retraction card on the nut are set between the guard plate or the maintenance hole cover, and the tubular screw of the bolt is inserted through the nut, and the bolt is rotated by inserting a tool such as a screwdriver into the bolt rotation groove on the nut. Since the nut is processed into a local elastic part by an elastic material tube, there is an elastic beam at its bottom. When the elastic beam on the nut enters the tubular screw, due to the relative rotation of the bolt and the nut, the elastic beam of the nut is forced to rise along the wire groove, and at the same time, the local elastic part in the nut is compressed. When the elastic beam passes through the oblique wire groove, due to the pressure of the local elastic part, it enters the positioning groove and forces the nut to be fixed in the positioning groove. When there is vibration, after the elastic beam is displaced, due to the certain angle between the positioning groove and the oblique wire groove and the certain length of the positioning groove, under the pressure of the local elastic part, the elastic beam of the nut will return to the positioning groove, thus overcoming the loosening of the bolt and nut caused by vibration. When disassembling, just rotate in the opposite direction. Since the total rotation angle is only about 120 degrees, the installation is quick and convenient. At the same time, the connection between the bolts and nuts is elastic, and the bolts and nuts are not easily damaged during installation and removal, so the durability is greatly improved compared to ordinary bolts and nuts. It can even be installed and removed more than a thousand times.

Claims

1. A quick-connect anti-vibration nut, Characterized in that: It consists of a tubular nut. The tubular nut is of a hollow cylindrical structure. A set of positioning cards are arranged on the outer wall of the tubular nut in an annular structure. A set of anti-loosening cards are arranged below the set of positioning cards. An elastic cross beam is installed at the bottom of the tubular nut, and the elastic cross beam is installed at the midline position of the tubular nut; The surface of the lower part of the tubular nut is an elastic pressing piece; The surface of the anti-loosening card is of an inclined surface structure, and the positioning card is of a conical convex structure; When in use, first insert the nut into the guard plate or the maintenance hole cover. At this time, the positioning card and the anti-loosening card on the nut are arranged between the guard plate or the maintenance hole cover. Insert the tubular screw of the bolt through the nut, and rotate the bolt by inserting a tool into the bolt rotation groove on the nut. Since the nut is processed from an elastic material tube into a local elastic part and has an elastic cross beam at its bottom; when the elastic cross beam on the nut enters the tubular screw, due to the relative rotation of the bolt and the nut, it forces the elastic cross beam of the nut to rise along the wire groove, and at the same time compresses the local elastic part in the nut. When the elastic cross beam passes through the inclined wire groove, due to the pressure of the local elastic part, it enters the positioning groove and forces the nut to be fixed in the positioning groove. When there is vibration, after the elastic cross beam displaces, due to the certain angle between the positioning groove and the inclined wire groove and the certain length of the positioning groove, under the pressure of the local elastic part, the elastic cross beam of the nut will return to the positioning groove again, overcoming the loosening of the bolt and nut caused by vibration; during disassembly, just rotate in the reverse direction.

2. The quick-connect anti-vibration nut according to claim 1, Characterized in that: The quick-connect anti-vibration nut composed of the tubular nut, the anti-loosening card and the positioning card.

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