Dustproof welding nut

Abstract

The utility model relates to the technical field of connecting pieces, in particular to a dustproof welding nut which comprises a nut body, a lower protection assembly and an upper protection assembly, the lower protection assembly comprises a lower protection cover and a connecting column, the lower protection cover is provided with a first groove matched with the outer wall of the nut body, and the upper protection assembly is provided with a second groove matched with the outer wall of the nut body. The connecting column is arranged in the center of the lower protective cover, the upper protective assembly comprises an upper protective cover, a supporting ring and an elastic piece, a second groove matched with the outer wall of the nut body is formed in the lower portion of the upper protective cover, and the supporting ring is arranged in the center of the upper portion of the upper protective cover. The nut body is clamped between the lower protective cover and the upper protective cover, the connecting column of the lower protective cover is connected with the supporting ring with the elastic piece on the upper protective cover in a clamped mode, disassembly and assembly are convenient, good sealing performance is achieved, meanwhile, pre-positioning and stud connection are convenient through the first auxiliary ring and the second auxiliary ring, and use is convenient.

Description

Technical Field

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

[0002] The application number is CN202222573200.9, which discloses a dustproof welding nut, including a welding nut body, a screw hole is provided in the middle thereof, and a protective mechanism, which is used for dustproof protection of the screw hole. The protective mechanism includes a protective tube, a connecting ring, a fixed tube and two limiting plates. The outer wall of the fixed tube is slidably interlaced with the inner cavity of the protective tube and the connecting ring. The two limiting plates are respectively slidably arranged on both sides of the fixed tube. The bottom end of the fixed tube is fixedly connected to the welding nut body, the bottom end of the protective tube is fixedly connected to the connecting ring, and both sides of the fixed tube are provided with limiting grooves, and the limiting plates are slidably interlaced with the inner cavity of the limiting groove. The utility model utilizes the mutual cooperation of the protective tube, the connecting ring, the fixed tube and the limiting plate, the protective tube is connected to the fixed tube, the screw hole is located inside the protective tube and the fixed tube, and the limiting plate limits the position of the connecting ring, which is conducive to dustproof protection of the inner cavity of the screw hole and is convenient for protecting the workpiece.

[0003] It is found in actual use that the above structure is complicated to assemble, inconvenient to pre-position and install with corresponding studs, and inconvenient to use. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a dustproof welding nut.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dustproof welding nut, comprising a nut body, a lower protective assembly and an upper protective assembly, the lower protective assembly comprising a lower protective cover and a connecting column, the lower protective cover is provided with a first groove adapted to the outer wall of the nut body, the connecting column is arranged at the center of the lower protective cover, the upper protective assembly comprises an upper protective cover, a support ring and an elastic sheet, a second groove adapted to the outer wall of the nut body is arranged below the upper protective cover, the support ring is arranged at the center above the upper protective cover, the support ring is provided with an elastic sheet, the connecting column passes through the upper protective cover and the support ring, and the connecting column is provided with a slot adapted to the elastic sheet.

[0008] In order to facilitate the connection between the lower protective cover and the nut body, the utility model is improved in that a first chamfer is provided on the upper edge of the first groove.

[0009] In order to facilitate the connection between the upper protective cover and the nut body, the utility model is improved in that a second chamfer is provided on the lower edge of the second groove.

[0010] In order to facilitate the pre-positioning and assembly of the studs, the utility model is improved in that a first auxiliary ring is provided below the lower protective cover, and a second auxiliary ring is provided above the upper protective cover, and the inner diameters of the first auxiliary ring and the second auxiliary ring are consistent with the inner diameter of the nut body.

[0011] In order to provide stable support, the utility model is improved in that the second auxiliary ring is higher than the connecting column.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the utility model provides a dustproof welding nut, which has the following beneficial effects:

[0014] The dustproof welding nut has a nut body that is clamped between a lower protective cover and an upper protective cover, and a connecting column of the lower protective cover is clamped with a supporting ring with an elastic sheet on the upper protective cover, which is convenient for disassembly and assembly. The nut has good sealing performance, and is conveniently pre-positioned and connected to the stud through the first auxiliary ring and the second auxiliary ring, making it easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 The utility model structure Figure 1 A partial enlarged schematic diagram;

[0017] Figure 3 This is the first explosion schematic diagram of the structure of the utility model;

[0018] Figure 4 This is the second explosion schematic diagram of the structure of the utility model.

[0019] In the figure: 1. nut body; 2. lower protective cover; 3. connecting column; 4. upper protective cover; 5. supporting ring; 6. elastic sheet; 7. slot; 8. first auxiliary ring; 9. second auxiliary ring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4A dustproof welding nut comprises a nut body 1, a lower protective assembly and an upper protective assembly, the lower protective assembly comprising a lower protective cover 2 and a connecting column 3, the lower protective cover 2 is provided with a first groove adapted to the outer wall of the nut body 1, the connecting column 3 is arranged at the center of the lower protective cover 2, the upper protective assembly comprises an upper protective cover 4, a support ring 5 and an elastic sheet 6, a second groove adapted to the outer wall of the nut body 1 is arranged below the upper protective cover 4, the support ring 5 is arranged at the center above the upper protective cover 4, the support ring 5 is provided with an elastic sheet 6, the connecting column 3 passes through the upper protective cover 4 and the support ring 5, and the connecting column 3 is provided with a slot 7 adapted to the elastic sheet 6.

[0022] During actual use, the nut body 1 is placed on the lower protective cover 2, the connecting column 3 passes through the center hole of the nut body 1, and the upper protective cover 4 covers the nut body 1. The connecting column 3 is adapted to the center hole of the upper protective cover 4. With the further advancement of the connecting column 3, the elastic sheet 6 first rises, and the connecting column 3 passes through several groups of elastic sheets 6. Finally, after the slot 7 is aligned with the end of the elastic sheet 6, the elastic sheet 6 is reset to complete the connection between the connecting column 3 and the elastic sheet 6, and the upper protective cover 4 and the lower protective cover 2 are convenient for disassembly and assembly.

[0023] In order to facilitate placing the nut body 1 on the lower protective cover 2, the utility model is improved in that the upper edge of the first groove is provided with a first chamfer.

[0024] In order to cover the upper protective cover 4 on the nut body 1, the utility model is improved in that a second chamfer is provided on the lower edge of the second groove.

[0025] During actual use, since the upper protective cover 4 and the lower protective cover 2 close the inner hole of the nut body 1, during pre-assembly positioning, a first auxiliary ring 8 is provided below the lower protective cover 2, and a second auxiliary ring 9 is provided above the upper protective cover 4. The inner diameters of the first auxiliary ring 8 and the second auxiliary ring 9 are consistent with the inner diameter of the nut body 1, and the second auxiliary ring 9 is higher than the connecting column 3 to ensure the stability of the equipment during storage.

[0026] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0027] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0028] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dustproof welding nut, comprising a nut body (1), a lower protection component and an upper protection component, characterized in that: The lower protection component comprises a lower protection cover (2) and a connecting column (3), the lower protection cover (2) is provided with a first groove matched with the outer wall of the nut body (1), and the connecting column (3) is arranged at the center of the lower protection cover (2), the upper protection component comprises an upper protection cover (4), a support ring (5) and an elastic sheet (6), the lower part of the upper protection cover (4) is provided with a second groove matched with the outer wall of the nut body (1), the upper center of the upper part of the upper protection cover (4) is provided with the support ring (5), the support ring (5) is provided with an elastic sheet (6), the connecting column (3) passes through the upper protection cover (4) and the support ring (5), and the connecting column (3) is provided with a slot (7) matched with the elastic sheet (6).

2. A dustproof welding nut according to claim 1, characterized in that: The upper edge of the first groove is provided with a first chamfer.

3. A dustproof welding nut according to claim 2, characterized in that: A second rounded shape is arranged on the lower edge of the second groove.

4. The dustproof welding nut according to claim 3, characterized in that: A first auxiliary ring (8) is arranged below the lower protective cover (2), and a second auxiliary ring (9) is arranged above the upper protective cover (4); the inner diameters of the first auxiliary ring (8) and the second auxiliary ring (9) are consistent with the inner diameter of the nut body (1).

5. The dustproof welding nut according to claim 4, characterized in that: The second auxiliary ring (9) is higher than the connecting column (3).

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