Special alloy fastener with surface rust prevention function

Abstract

The utility model discloses a special alloy fastener with a surface rust-proof function, which comprises a first workpiece, a second workpiece and fasteners, the fasteners are uniformly distributed on the first workpiece and the second workpiece, and each fastener comprises a rotary screwing end, an extrusion clamping disc, a protection part and a threaded fastening column, the extrusion clamping disc is fixedly connected to the bottom end of the rotary screwing end, and the threaded fastening column is fixedly connected to the middle of the bottom end of the extrusion clamping disc. Two workpieces needing to be fastened can be conveniently fastened, locked and fixedly connected, and after the two workpieces are fastened, the rotating screwing end, the threaded fastening column and the locking nut in the fastener can achieve stable fastening arrangement and can be isolated from the external environment to play the role of rust prevention and corrosion prevention. And the service life of the fastener is greatly prolonged, so that the fastener is particularly suitable for being used on a ship and in a special easy-to-rust environment, the service life is long, and the fastener can be stably used.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field, concretely is a kind of special alloy fastener with surface antirust function. BACKGROUND

[0002] In the process of machining, parts need to be fixed and arranged by fastener between parts, but some equipment produced and prepared in special environment such as ship is used, and the fastener for fixing on it is easily rusted and corroded by external environment, so that the service life is greatly reduced, so a special alloy fastener with surface antirust function is needed to solve the above problems, so that the service life of fastener surface antirust is greatly extended. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a kind of special alloy fastener with surface antirust function to solve the problems presented in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of special alloy fastener with surface antirust function, including first workpiece, second workpiece and fastener, the fastener is evenly distributed on first workpiece and second workpiece, the fastener includes rotating screw end, extrusion clamping disc, protection part and threaded fastening column, the extrusion clamping disc is fixedly connected at the bottom of rotating screw end, the threaded fastening column is fixedly connected in the bottom middle part of extrusion clamping disc, the protection part is arranged on the threaded fastening column.

[0005] Preferably, the upper end of rotating screw end is clamped with protective sleeve.

[0006] Preferably, the protection part includes first connecting ring, first corrugated folding cover, fixed connection hole, second connecting ring, second corrugated folding cover, locking nut and third connecting ring, the first connecting ring is fixedly connected at the upper end of locking nut, the third connecting ring is fixedly connected at the bottom end of locking nut, the first corrugated folding cover is fixedly connected at the edge bottom of first connecting ring, and the locking nut is located in the inside of first corrugated folding cover, the second connecting ring is fixedly connected at the bottom end of first corrugated folding cover, the fixed connection hole is evenly provided on the second connecting ring and the third connecting ring, the second corrugated folding cover is fixedly connected at the bottom end of third connecting ring, and the inside of second corrugated folding cover is hollow.

[0007] Preferably, the locking nut is threaded on the threaded fastening column, and the bottom end of the threaded fastening column is located in the inside of the second corrugated folding cover.

[0008] Preferably, the first workpiece and the second workpiece are located between the extrusion clamping disc and the first connecting ring.

[0009] Preferably, the first corrugated folded cover and the second corrugated folded cover are made of stainless steel.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] The utility model discloses can conveniently fasten and lock the fixing connection of two workpieces needing fastening, and after the fastening of the two workpieces, the rotating and screwing end, the threaded fastening column and the locking nut in the fastener can realize the stable fastening arrangement, can be isolated from the external environment and play the rustproof and anticorrosion role, greatly increase the service life of the fastener, and the fastener is especially suitable for use on the ship and in the special rust-prone environment, and the long service life can realize the stable use. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the main body three-dimensional structure schematic diagram of the utility model;

[0013] Figure 2 It is the fastener structure schematic diagram of the utility model;

[0014] Figure 3 It is the protection part structure schematic diagram of the utility model;

[0015] Figure 4 It is the first connecting ring structure schematic diagram of the utility model.

[0016] In the drawing: 1-first workpiece, 2-second workpiece, 3-fastener, 4-protection sleeve, 5-rotating and screwing end, 6-extrusion clamping disc, 7-protection part, 8-threaded fastening column, 9-first connecting ring, 10-first corrugated folded cover, 11-fixed connection hole, 12-second connecting ring, 13-second corrugated folded cover, 14-locking nut, 15-third connecting ring. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4The utility model provides an embodiment: a kind of special alloy fastener with surface antirust function, including first workpiece 1, second workpiece 2 and fastener 3, fastener 3 is evenly distributed on first workpiece 1 and second workpiece 2, fastener 3 includes rotating screwing end 5, extrusion clamping disc 6, protection part 7 and threaded fastening column 8, extrusion clamping disc 6 is fixedly connected in the bottom end of rotating screwing end 5, threaded fastening column 8 is fixedly connected in the bottom end middle part of extrusion clamping disc 6, protection part 7 is set on threaded fastening column 8.

[0019] The upper end of rotating screwing end 5 is clamped with protective sleeve 4, which plays a protective isolation role.

[0020] Protection part 7 includes first connecting ring 9, first corrugated folding cover 10, fixed connection hole 11, second connecting ring 12, second corrugated folding cover 13, locking nut 14 and third connecting ring 15, first connecting ring 9 is fixedly connected in the upper end of locking nut 14, third connecting ring 15 is fixedly connected in the bottom end of locking nut 14, first corrugated folding cover 10 is fixedly connected in the edge bottom of first connecting ring 9, and locking nut 14 is located in the inside of first corrugated folding cover 10, second connecting ring 12 is fixedly connected in the bottom end of first corrugated folding cover 10, fixed connection hole 11 is evenly penetrated and set on second connecting ring 12 and third connecting ring 15, second corrugated folding cover 13 is fixedly connected in the bottom end of third connecting ring 15, and the inside of second corrugated folding cover 13 is hollow.

[0021] Locking nut 14 is threaded on threaded fastening column 8, the bottom end of threaded fastening column 8 is located in the inside of second corrugated folding cover 13, which plays a protective and isolation role.

[0022] First workpiece 1 and second workpiece 2 are located between extrusion clamping disc 6 and first connecting ring 9, which plays a fastening locking role.

[0023] The material of first corrugated folding cover 10 and second corrugated folding cover 13 is stainless steel, which has high strength, high temperature resistance, corrosion resistance, light weight and other advantages, and has good flexibility, easy to adjust length, strong adaptability.

[0024] Working principle: when the first workpiece 1 and the second workpiece 2 need to be fastened and fixed during the mechanical processing production preparation, the firm fixing is realized by uniformly arranging the fastener 3 on the first workpiece 1 and the second workpiece 2, the threaded fastening column 8 is screwed and inserted into the inside of the first workpiece 1 and the second workpiece 2 by rotating the screwing end 5, then the locking nut 14 is screwed and arranged on the threaded fastening column 8 by screwing, so that the first workpiece 1 and the second workpiece 2 are arranged between the extrusion clamping disc 6 and the first connecting ring 9 to realize firm locking, and when the locking nut 14 is screwed on the threaded fastening column 8, when the bottom end of the threaded fastening column 8 contacts the middle part of the bottom end of the second corrugated folding cover 13, the second corrugated folding cover 13 can be fully stretched and lengthened, so that the bottom end of the threaded fastening column 8 is inserted into the inside of the second corrugated folding cover 13 for protection and external isolation protection, and when the position of the locking nut 14 is driven, the second connecting ring 12 is pulled down by external force, so that the second connecting ring 12 moves to the third connecting ring 15, the second connecting ring 12 is fixed on the third connecting ring 15 by inserting the external bolt into the inside of the fixed connecting hole 11, at this time the first corrugated folding cover 10 is stretched, so that the locking nut 14 is located in the first corrugated folding cover 10 for protection and external isolation, then the protection clamping sleeve 4 made of stainless steel is clamped on the rotating screwing end 5, so that the rotating screwing end 5, the threaded fastening column 8 and the locking nut 14 in the fastener 3 can realize stable fastening, and can be isolated from the external environment to play a role in rust prevention and corrosion prevention, so that the service life of the fastener 3 is greatly increased.

[0025] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A special alloy fastener with surface anti-rust function, comprising a first workpiece (1), a second workpiece (2) and a fastener (3), characterized in that: The fastener (3) is uniformly distributed on the first workpiece (1) and the second workpiece (2), and comprises a rotating screwing end (5), an extrusion clamping disc (6), a protection part (7) and a threaded fastening column (8), the extrusion clamping disc (6) is fixedly connected at the bottom end of the rotating screwing end (5), the threaded fastening column (8) is fixedly connected at the middle bottom of the extrusion clamping disc (6), and the protection part (7) is arranged on the threaded fastening column (8).

2. The special alloy fastener with surface anti-rust function according to claim 1, characterized in that: The upper end of the rotating screwing end (5) is clamped with a protective sleeve (4).

3. The special alloy fastener with surface anti-rust function according to claim 2, characterized in that: The protection part (7) comprises a first connecting ring (9), a first corrugated folding cover (10), a fixed connection hole (11), a second connecting ring (12), a second corrugated folding cover (13), a locking nut (14) and a third connecting ring (15), the first connecting ring (9) is fixedly connected at the upper end of the locking nut (14), the third connecting ring (15) is fixedly connected at the bottom end of the locking nut (14), the first corrugated folding cover (10) is fixedly connected at the edge bottom of the first connecting ring (9), and the locking nut (14) is located inside the first corrugated folding cover (10), the second connecting ring (12) is fixedly connected at the bottom end of the first corrugated folding cover (10), the fixed connection holes (11) are uniformly and vertically arranged on the second connecting ring (12) and the third connecting ring (15), the second corrugated folding cover (13) is fixedly connected at the bottom end of the third connecting ring (15), and the inside of the second corrugated folding cover (13) is hollow.

4. The special alloy fastener with surface anti-rust function according to claim 3, characterized in that: The locking nut (14) is threadedly arranged on the threaded fastening column (8), and the bottom end of the threaded fastening column (8) is located inside the second corrugated folding cover (13).

5. The special alloy fastener with surface anti-rust function according to claim 4, characterized in that: The first workpiece (1) and the second workpiece (2) are located between the extrusion clamping disc (6) and the first connecting ring (9).

6. The special alloy fastener with surface anti-rust function according to claim 5, characterized in that: The first corrugated folding cover (10) and the second corrugated folding cover (13) are made of stainless steel.

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