CN214036442U

CN214036442U - Novel high-strength fastener for compressor

Info

Publication number: CN214036442U
Application number: CN202022527435.5U
Authority: CN
Inventors: 倪亚菊
Original assignee: Nantong Tongtai Fasteners Co ltd
Current assignee: Nantong Tongtai Fasteners Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-08-24
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a novel compressor high strength fastener, including the bolt body, the top fixedly connected with top of the bolt body, the bottom fixedly connected with screw rod of the bolt body, the surperficial threaded connection of screw rod has the nut, the bolt body includes the substrate layer, the fixed surface of substrate layer is connected with the alloy-layer, the fixed surface on alloy-layer is connected with the intermediate level, the fixed surface in intermediate level is connected with the inoxidizing coating, the fixed surface of top is connected with the tungsten alloy cladding material, the substrate layer adopts low-carbon steel to make. The utility model discloses a cooperation of the bolt body, top, screw rod, nut, substrate layer, alloy-layer, intermediate level and inoxidizing coating is used, can the relatively poor problem of effectual solution traditional compressor fastener self intensity, and this fastener compact structure can effectual promotion security, improves performance, avoids shaking the in-process and drops, and joint strength is high, long service life.

Description

Novel high-strength fastener for compressor

Technical Field

The utility model relates to a compressor accessory technical field specifically is novel compressor high strength fastener.

Background

The fastener is a mechanical part which is used for fastening and connecting and has wide application, the fastener has wide application industries, including energy, electronics, electrical appliances, machinery, chemical engineering, metallurgy, dies, hydraulic pressure and the like, various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical engineering, instruments, articles and the like, the fastener is a mechanical basic part which has the widest application, the fasteners are also more and more widely used on the compressor at present, the types of the fasteners used for the compressor are very many, one half of the fasteners are used for fixing parts of the compressor, and when the compressor runs for a long time, the nut is loosened due to vibration, so that the bolt falls off, further the parts of the compressor fall off, and the safety of the compressor is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel compressor high strength fastener possesses the advantage that improves use strength, has solved the compressor when long-time operation, because the vibration makes the nut become loose to cause droing of bolt, and then cause droing of compressor spare part, influence the problem of the security of compressor.

In order to achieve the above object, the utility model provides a following technical scheme: novel compressor high strength fastener, including the bolt body, the top fixedly connected with top of the bolt body, the bottom fixedly connected with screw rod of the bolt body, the surperficial threaded connection of screw rod has the nut, the bolt body includes the substrate layer, the fixed surface of substrate layer is connected with the alloy-layer, the fixed surface on alloy-layer is connected with the intermediate level, the fixed surface in intermediate level is connected with the inoxidizing coating, the fixed surface of top is connected with the tungsten alloy cladding material.

Preferably, the substrate layer is made of low-carbon steel, the alloy layer is a nickel-plated layer and is connected with the substrate layer in an electroplating mode.

Preferably, the middle layer is formed by spraying a polyurethane anticorrosive paint, and the protective layer is formed by spraying a water-based steel structure anticorrosive paint.

Preferably, the surface of the bolt body and the surface of the screw are both prepared into external threads through thread rolling, and the inner cavity of the nut is provided with internal threads matched with the screw.

Preferably, the top of the surface of the bolt body is fixedly connected with a limiting disc, and the limiting disc and the top head are of an integral structure.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a cooperation of the bolt body, top, screw rod, nut, substrate layer, alloy-layer, intermediate level and inoxidizing coating is used, can the relatively poor problem of effectual solution traditional compressor fastener self intensity, and this fastener compact structure can effectual promotion security, improves performance, avoids shaking the in-process and drops, and joint strength is high, long service life.

2. The utility model discloses a set up the alloy-layer, through the mode plating one deck nickel alloy of electroplating, when having guaranteed use strength, guaranteed connection stability, through setting up intermediate level and inoxidizing coating, can effectually improve the corrosion resisting property of this fastener, strengthen the wear-resisting effect in surface, very big improvement surface oxidation resistance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the bolt body of the present invention;

fig. 3 is a schematic view of the connection structure of the plug and the tungsten alloy layer according to the present invention.

In the figure: 1. a bolt body; 101. a substrate layer; 102. an alloy layer; 103. an intermediate layer; 104. a protective layer; 2. ejecting the head; 3. a screw; 4. a nut; 5. and (5) tungsten alloy plating.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The components adopted by the utility model are all universal standard components or components known by the technicians in the field, and the structure and the principle of the components are known by the technicians through technical manuals or conventional experimental methods.

Referring to fig. 1-3, a novel high-strength fastener for a compressor comprises a bolt body 1, wherein the surface of the bolt body 1 and the surface of a screw rod 3 are both prepared into external threads through thread rolling, an inner cavity of a nut 4 is provided with internal threads matched with the screw rod 3, the top of the surface of the bolt body 1 is fixedly connected with a limiting disc, the limiting disc and a top head 2 are integrated into a whole, the top of the bolt body 1 is fixedly connected with the top head 2, the bottom of the bolt body 1 is fixedly connected with the screw rod 3, the surface of the screw rod 3 is connected with the nut 4 through threads, the bolt body 1 comprises a substrate layer 101, the substrate layer 101 is made of low-carbon steel, an alloy layer 102 is a nickel-plated layer and is connected with the substrate layer 101 in an electroplating manner, the surface of the substrate layer 101 is fixedly connected with an alloy layer 102, the surface of the alloy layer 102 is fixedly connected with an intermediate layer 103, the intermediate layer 103 is formed by spraying polyurethane anticorrosive paint, and a protective layer 104 is formed by spraying aqueous steel structure anticorrosive paint, fixed surface of intermediate level 103 is connected with inoxidizing coating 104, the fixed surface of top 2 is connected with tungsten alloy cladding 5, through setting up alloy-layer 102, mode plating one deck nickel alloy through electroplating, when having guaranteed use strength, connection stability has been guaranteed, through setting up intermediate level 103 and inoxidizing coating 104, can effectually improve the corrosion resisting property of this fastener, strengthen the wear-resisting effect in surface, very big improved surface oxidation resistance, through the bolt body 1, top 2, screw rod 3, nut 4, substrate layer 101, alloy-layer 102, the cooperation of intermediate level 103 and inoxidizing coating 104 is used, can effectually solve the relatively poor problem of traditional compressor fastener self intensity, this fastener compact structure, can effectual promotion security, improve performance, avoid droing in the vibrations process, joint strength is high, long service life.

During the use, through alloy-layer 102, through the one deck nickel alloy of mode plating of electroplating, when having guaranteed use strength, guaranteed connection stability, through intermediate level 103 and inoxidizing coating 104, can effectually improve the corrosion resistance of this fastener, strengthen the wear-resisting effect in surface, very big improvement surface oxidation resistance, this fastener compact structure can effectual promotion security, improves performance, avoids shaking the in-process and drops, and joint strength is high, long service life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Novel compressor high strength fastener, including bolt body (1), its characterized in that: the bolt comprises a bolt body (1) and is characterized in that the top of the bolt body (1) is fixedly connected with a top (2), the bottom of the bolt body (1) is fixedly connected with a screw (3), the surface of the screw (3) is in threaded connection with a nut (4), the bolt body (1) comprises a base material layer (101), the surface of the base material layer (101) is fixedly connected with an alloy layer (102), the surface of the alloy layer (102) is fixedly connected with an intermediate layer (103), the surface of the intermediate layer (103) is fixedly connected with a protective layer (104), and the surface of the top (2) is fixedly connected with a tungsten alloy coating (5).

2. The novel compressor high strength fastener of claim 1, wherein: the base material layer (101) is made of low-carbon steel, the alloy layer (102) is a nickel-plated layer and is connected with the base material layer (101) in an electroplating mode.

3. The novel compressor high strength fastener of claim 1, wherein: the middle layer (103) is formed by spraying polyurethane anticorrosive paint, and the protective layer (104) is formed by spraying water-based steel structure anticorrosive paint.

4. The novel compressor high strength fastener of claim 1, wherein: the surface of the bolt body (1) and the surface of the screw rod (3) are both prepared into external threads through thread rolling, and the inner cavity of the nut (4) is provided with internal threads matched with the screw rod (3).

5. The novel compressor high strength fastener of claim 1, wherein: the top of the surface of the bolt body (1) is fixedly connected with a limiting disc, and the limiting disc and the top head (2) are of an integral structure.