High-reliability hardware fitting assembly

Abstract

The utility model discloses a high-reliability hardware fitting assembly, and belongs to the technical field of power equipment. A high-reliability hardware fitting assembly is used for installation and connection of a target object and comprises a hardware fitting body, a bolt, an anti-disengaging piece and a nut. The fitting body is connected with a target object through a bolt and a nut. And the anti-falling piece is connected with the end part of the bolt and is positioned on one side, far away from the fitting body, of the nut, so that the nut is prevented from falling off from the bolt.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric power equipment, and more specifically relates to a high-reliability hardware component. Background Art

[0002] Hardware is an important component of overhead transmission lines, and its reliability is directly related to the safe operation of the power grid system. Due to the complexity of the use environment, hardware is exposed to natural problems such as wind, rain, high temperature and exposure outdoors. In addition, the wind makes the hardware in a shaking environment, which further aggravates the degree of damage to the hardware. Therefore, the hardware not only needs high strength, but also needs to be wear-resistant, high-temperature-resistant and corrosion-resistant.

[0003] In the prior art, hardware generally adopts iron or aluminum metal parts, which are fixed by bolts and nuts, and use cotter pins to prevent the bolts from falling off; however, in actual use, due to manual work and limitations of working conditions, the cotter pins are often not assembled in place, making the anti-falling function ineffective; and, whether it is aluminum or iron hardware, it is not perfect in terms of corrosion resistance. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a high-reliability hardware component, which can prevent a nut from falling off the hardware.

[0005] The utility model discloses a high-reliability hardware component, which is used for installation and connection of a target object, and comprises a hardware body, a bolt, an anti-dropping piece and a nut; the hardware body is installed and connected to the target object through the bolt and the nut; the anti-dropping piece is installed and connected to the end of the bolt and is located on a side of the nut away from the hardware body, thereby preventing the nut from falling off the bolt.

[0006] The bolt comprises a screw rod; a limiting hole is provided at one end of the screw rod; a limiting wall is formed between the limiting hole and the outer periphery of the screw rod; a track is provided on the limiting wall; the track is connected to the limiting hole through and through; and a fixing hole is provided on the limiting wall.

[0007] The anti-dropping component includes a limiting component, a limiting column and a base; one end of the limiting column is fixedly connected to the base, and the outer periphery of the other end is installed and connected to the limiting component; the limiting component is provided with a retractable fixing column; the fixing column penetrates the limiting column and is retractable; the limiting column penetrates the limiting hole, and the fixing column penetrates the fixing hole.

[0008] As a further improvement of the utility model, the track includes a track opening and a track groove; the track opening and the track groove are connected through each other; the width of the track opening is smaller than the width of the track groove; the limit member passes through the track opening and slides in the track groove.

[0009] As a further improvement of the present invention, the maximum outer diameter of the base is greater than the outer diameter of the screw; the base abuts against an end of the screw at which a limiting hole is provided.

[0010] As a further improvement of the present invention, the limiting member also includes a limiting seat and a limiting pile; one end of the limiting pile is fixedly connected to the outer peripheral surface of the limiting column adjacent to the upper end; the other end of the limiting pile is fixedly connected to one end of the limiting seat; the fixed column sequentially passes through the limiting seat, the limiting pile and the limiting column and is telescopically arranged.

[0011] As a further improvement of the utility model, the limit seat, the limit pile and the limit column are connected through and form a cavity; an elastic part is installed at one end of the fixed column in the cavity; when the other end of the fixed column exposed to the outside is squeezed by external force, the fixed column retracts into the cavity.

[0012] As a further improvement of the present invention, the maximum diameter of the limiting seat matches the maximum width of the track groove, and the maximum width of the track opening matches the maximum diameter of the limiting pile.

[0013] As a further improvement of the utility model, a plurality of clamping columns and a plurality of clamping seats are provided on one side of the nut; the lower end of the clamping column is fixedly connected to the nut, and the upper end of the clamping column is fixedly connected to the lower end of the clamping seat.

[0014] As a further improvement of the utility model, a card channel is provided on the outer surface of one side of the hardware body; the card channel includes a card channel opening and a card channel groove; the card channel groove is arranged inside the hardware body; the card channel opening is arranged on the surface of the hardware body; the card channel groove and the card channel opening are connected through and through; the size of the card channel groove matches the card seat; the width of the card channel opening is arranged to match the outer circumferential diameter of the card column.

[0015] As a further improvement of the utility model, the hardware body includes a main layer, the surface of the main layer is wrapped with a wrapping layer; the outer surface of the wrapping layer is coated with a protective coating; the wrapping layer is a titanium alloy layer; and the protective coating is a tungsten coating.

[0016] As a further improvement of the utility model, a second fixing hole is opened on the inner side wall of the nut; the second fixing hole is arranged to overlap with the fixing hole; and the fixing column is arranged to pass through the fixing hole and the second fixing hole in sequence.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows: the scheme of the utility model includes a hardware body, a bolt, an anti-slip piece and a nut; the hardware body is installed and connected to the target object through the bolt and the nut; the anti-slip piece is installed and connected to the end of the bolt, and is located on the side of the nut away from the hardware body; the anti-slip piece is provided with a fixing column, and the bolt is provided with a fixing hole; the fixing column is installed and fixed through the fixing hole; the nut is provided with a clamping column and a clamping seat; the hardware body is provided with a clamping channel; the nut is fixed through the clamping channel; and finally the nut is prevented from falling off the bolt. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is one of the schematic diagrams of the hardware structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the explosion structure of the hardware of the utility model;

[0020] Figure 3 This is one of the schematic diagrams of the hardware body structure of the utility model;

[0021] Figure 4 This is one of the schematic diagrams of the bolt structure of the utility model;

[0022] Figure 5 This is one of the schematic diagrams of the anti-slip component structure of the utility model;

[0023] Figure 6 This is one of the schematic diagrams of the nut structure of the utility model;

[0024] Figure 7 This is the second schematic diagram of the hardware body structure of the utility model;

[0025] Figure 8 This is the second schematic diagram of the bolt structure of the utility model;

[0026] Fig. 9 This is the second schematic diagram of the anti-dropping member structure of the utility model;

[0027] Fig.10 This is the second schematic diagram of the hardware structure of the utility model;

[0028] Fig.11 This is the second schematic diagram of the nut structure of the present utility model.

[0029] Description of the numbers in the figure:

[0030] 1. Hardware body; 11. Main body layer; 12. Wrapping layer; 13. Protective coating; 14. Fixing hole; 15. Card track; 2. Bolt; 21. Limiting hole; 22. Inlet; 23. Track; 24. Fixing hole; 3. Nut; 31. Card column; 32. Card seat; 33. Second fixing hole; 4. Anti-slip part; 41. Limiting part; 411. Fixing column; 412. Limiting seat; 413. Limiting pile; 42. Limiting column; 43. Base. DETAILED DESCRIPTION

[0031] The present invention will be further described in detail below in conjunction with the embodiments. The following embodiments are intended to explain the present invention, but the present invention is not limited to the following embodiments.

[0032] Specific embodiment 1: Please refer to Figure 1-7 A high-reliability hardware assembly comprises a hardware body 1, a bolt 2, an anti-dropping piece 4 and a nut 3; the hardware body 1 is installed and connected to a target object through the bolt 2 and the nut 3; one end of the nut 3 abuts against the hardware body 1; the anti-dropping piece 4 is installed and connected to the end of the bolt 2 and is located on the side of the nut 3 away from the hardware body 1, thereby preventing the nut 3 from falling off from the bolt 2.

[0033] like Figure 6 As shown, a plurality of clamping columns 31 and a plurality of clamping seats 32 are provided at the upper end of the nut 3; the lower end of the clamping column 31 is fixedly connected to the nut, and the upper end of the clamping column 31 is fixedly connected to the lower end of the clamping seat 32; preferably, the clamping column 31 and the clamping seat 32 are both cylinders, and the maximum outer circumferential diameter of the clamping seat 32 is greater than the maximum outer circumferential diameter of the clamping column.

[0034] The hardware body 1 is penetrated by a fixing hole 14, the bolt 2 includes a bolt head and a screw, one end of the screw is fixedly connected to one end of the bolt head; the other end of the screw is provided with a thread; the threaded end of the bolt passes through the fixing hole 14 and is threadedly connected to the nut 3; the bolt head abuts against the hardware body 1; the nut 3 abuts against the other side of the hardware body 1; a clamping path 15 is provided on one side of the hardware body 1 abutting against the nut 3; optionally, the clamping path 15 is in the shape of an arc.

[0035] The card channel 15 includes a card channel opening and a card channel groove; the card channel groove is arranged inside the hardware body 1; the card channel opening is arranged on the surface of the hardware body 1; the card channel groove is connected with the card channel opening; the size of the card channel groove matches the card seat 32; the width of the card channel opening is matched with the outer circumferential diameter of the card column 31; one end of the card channel 15 is in the shape of a circular hole, and the size of the circular hole matches the card seat 32; the other end of the card channel 15 is a bent card groove.

[0036] The hardware body 1 includes a main body layer 11, and a wrapping layer 12 is wrapped on the surface of the main body layer 11; optionally, the main body layer 11 is made of a material selected from the group consisting of aluminum, aluminum alloy, iron or iron alloy.

[0037] Optionally, the wrapping layer 12 is a titanium alloy layer; the titanium alloy layer serves as; the outer surface of the wrapping layer 12 is coated with a protective coating 13; the protective coating 13 is a tungsten coating; the protective coating 13 is composed of the following components: tungsten (W), nickel (Ni), carbon (C), chromium (Cr) and cobalt (Co) and inevitable impurities; wherein the tungsten (W) accounts for 20%-25%; the nickel (Ni) accounts for 10%-15%; the chromium (Cr) accounts for 20%-25%; the cobalt (Co) accounts for 5%-10%; the carbon (C) accounts for 1%-2%; the particle size is controlled between 1-10 microns.

[0038] like Figure 4 As shown, a limiting hole 21 is provided at the end of the screw rod away from the other end of the bolt head; a limiting wall is formed between the limiting hole 21 and the outer periphery of the screw rod; a track 23 is provided on the limiting wall; the track 23 is spirally arranged along the limiting wall; the track 23 is connected through the limiting hole 21; the track 23 includes a track opening and a track groove; the track opening and the track groove are connected through; the width of the track opening is smaller than the width of the track groove; a fixing hole 24 is provided on the outer periphery of the limiting wall; the fixing hole 24 is set from the outer peripheral surface of the screw rod to the inner wall of the limiting hole 21; an inlet 22 is provided on the upper end of the limiting wall, the inlet 22 is connected through the limiting hole, and the starting end of the track 23 of the inlet 22 is connected through.

[0039] like Figure 5As shown; the anti-slip component 4 includes a limit piece 41, a limit column 42 and a base 43; the maximum outer diameter of the base 43 is larger than the outer diameter of the screw; the base 43 abuts against the end of the screw at one end where the limit 21 is provided; the bottom of the limit column 42 is fixedly connected to the upper end of the base 43; the limit piece 41 is arranged on the periphery of the limit column 42 near the upper end; the limit piece 41 includes a fixed column 411, a limit seat 412 and a limit pile 413; one end of the limit pile 413 is fixedly connected to the outer peripheral surface of the limit column 42 near the upper end; the limit pile 413 The other end is fixedly connected to one end of the limit seat 412; the fixed column 411 passes through the limit seat 412, the limit pile 413 and the limit column 42 in sequence and can be retracted; the limit seat 412, the limit pile 413 and the limit column 42 are connected through and form a cavity; an elastic member is installed at one end of the fixed column 411 in the cavity; when the other end of the fixed column 411 exposed to the outside is squeezed by external force, the fixed column 411 retracts into the cavity; when the external force disappears, the fixed column 411 extends out of the cavity; optionally, the elastic member is a compression spring.

[0040] The maximum diameter of the limiting seat 412 matches the maximum width of the inlet 22 and the track groove respectively, and the maximum width of the track opening matches the maximum diameter of the limiting pile 413 .

[0041] Optionally, a fixing ring is also fixedly provided on the upper end of the base 43, and the fixing ring is a hollow ring, which is sleeved on the outer periphery of the limiting column 42; a thread is provided on the inside of the fixing ring; the inner diameter of the fixing ring matches the outer diameter of the screw; the thread inside the fixing ring matches the thread of the screw; the fixing ring is threadedly connected to the screw, so that the anti-slip component 4 is further fixed to the screw.

[0042] Working principle:

[0043] Pass the seat 32 on the nut 3 through the circular hole at the end of the card channel 15 of the hardware body 1, rotate the nut 3, and embed it in the card groove; pass the threaded end of the bolt 2 through the target fixed object and the fixing hole 14 on the hardware body 1 from the other side at the same time, and tighten the bolt 2 and the nut 3 to fix them; the fixing column 411 is squeezed and compressed into the internal cavity by external force, and after the limiting seat 412 passes through the inlet 22 of the bolt 2, the anti-slip component 4 is rotated. When the anti-slip component 4 is rotated to a predetermined position, the fixing column 411 passes through the fixing hole 24 of the bolt 2, so that the anti-slip component 4 is installed and fixed to the bolt.

[0044] Specific embodiment 2: Figure 8-9As shown, different from the specific embodiment 1, the fixed column 411 on the anti-slip component 4 directly penetrates the outer peripheral surface of the limiting column 42 and can be retracted; the fixed column 411 is located at one end of the limiting column 42 and a cavity is provided between the limiting column 42, and an elastic member is provided in the cavity; the elastic member is fixedly connected to the fixed column 411.

[0045] Different from the first specific embodiment, the track 23 penetrates from the end surface of the screw rod away from the bolt head to the bottom of the limiting hole 21; the track 23 penetrates and communicates with the limiting hole 21.

[0046] Specific embodiment three: Figure 10-11 As shown, a screw ring 34 is provided at one end of the nut 3 away from the clamping column 31; the screw ring 34 is fixedly connected to the nut 3, and the inner wall of the screw ring 34 is smooth and flat; the inner maximum diameter of the screw ring 34 matches the outer diameter of the screw rod; a second fixing hole 33 is provided on the inner wall of the screw ring 34; after tightening the nut 3 and the bolt 2, the second fixing hole 33 is arranged to overlap with the fixing hole 24; the upper end of the anti-slip component 4 abuts against the side of the nut 3 away from the hardware body 1; the fixing column 411 passes through the fixing hole 24 and the second fixing hole 33 in sequence; so that the nut 3 and the bolt 2 are further tightened to prevent the nut 3 from falling off the bolt 2.

[0047] The above is only a preferred specific implementation method of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed in the present application according to the technical solution and improved ideas of the present application, which should be covered by the protection scope of the present application.

Claims

1. A high-reliability hardware assembly for installation and connection of a target object, characterized in that: The invention comprises a hardware body (1), a bolt (2), an anti-dropping piece (4) and a nut (3); the hardware body (1) is mounted and connected to a target object via the bolt (2) and the nut (3); the anti-dropping piece (4) is mounted and connected to the end of the bolt (2) and is located on a side of the nut (3) away from the hardware body (1), thereby preventing the nut (3) from falling off the bolt (2); The bolt (2) comprises a screw rod; a limiting hole (21) is provided at one end of the screw rod; a limiting wall is formed between the limiting hole (21) and the outer periphery of the screw rod; a track (23) is provided on the limiting wall; the track (23) is connected to the limiting hole (21); and a fixing hole (24) is provided on the limiting wall; The anti-dropping member (4) comprises a limiting member (41), a limiting column (42) and a base (43); one end of the limiting column (42) is fixedly connected to the base (43), and the outer periphery of the other end is mounted and connected to the limiting member (41); the limiting member (41) is provided with a retractable fixing column (411); the fixing column (411) penetrates the limiting column (42) and is retractably arranged; the limiting column (42) penetrates the limiting hole (21), and the fixing column (411) penetrates the fixing hole (24).

2. A high reliability hardware assembly according to claim 1, characterized in that: The track (23) comprises a track opening and a track groove; the track opening and the track groove are connected to each other; the width of the track opening is smaller than the width of the track groove; the stopper (41) passes through the track opening and slides in the track groove.

3. A high reliability hardware assembly according to claim 1, characterized in that: The maximum outer diameter of the base (43) is greater than the outer diameter of the screw rod; the base (43) abuts against an end of the screw rod at which a limiting hole (21) is provided.

4. A high reliability hardware assembly according to claim 1, characterized in that: The limiting member (41) further comprises a limiting seat (412) and a limiting pile (413); one end of the limiting pile (413) is fixedly connected to the outer peripheral surface of the limiting column (42) adjacent to the upper end; the other end of the limiting pile (413) is fixedly connected to one end of the limiting seat (412); the fixed column (411) sequentially penetrates the limiting seat (412), the limiting pile (413) and the limiting column (42) and is telescopically arranged.

5. A high reliability hardware assembly according to claim 4, characterized in that: The limiting seat (412), the limiting pile (413) and the limiting column (42) are connected to form a cavity; an elastic member is installed at one end of the fixing column (411) in the cavity; when the other end of the fixing column (411) exposed to the outside is squeezed by an external force, the fixing column (411) retracts into the cavity.

6. A high reliability hardware assembly according to claim 2, characterized in that: The maximum diameter of the limiting seat (412) matches the maximum width of the track groove, and the maximum width of the track opening matches the maximum diameter of the limiting pile (413).

7. The high reliability hardware assembly according to claim 1, characterized in that: A plurality of clamping columns (31) and a plurality of clamping seats (32) are provided on one side of the nut (3); the lower end of the clamping column (31) is fixedly connected to the nut, and the upper end of the clamping column (31) is fixedly connected to the lower end of the clamping seat (32).

8. The high reliability hardware assembly according to claim 7, characterized in that: A latching path (15) is provided on the outer surface of one side of the hardware body (1); the latching path (15) comprises a latching path opening and a latching path groove; the latching path groove is arranged inside the hardware body (1); the latching path opening is arranged on the surface of the hardware body (1); the latching path groove and the latching path opening are connected through and through; the size of the latching path groove matches the clamping seat (32); and the width of the latching path opening matches the outer diameter of the clamping column (31).

9. The high reliability hardware assembly according to claim 1, characterized in that: The hardware body (1) comprises a main body layer (11); the surface of the main body layer (11) is wrapped with a wrapping layer (12); the outer surface of the wrapping layer (12) is coated with a protective coating (13); the wrapping layer (12) is a titanium alloy layer; and the protective coating (13) is a tungsten coating.

10. The high reliability hardware assembly according to claim 1, characterized in that: A screw ring (34) is provided at one end of the nut (3) away from the clamping column (31); the screw ring (34) is fixedly connected to the nut (3), and the inner wall of the screw ring (34) is smooth and flat; a second fixing hole (33) is provided on the inner wall of the screw ring (34); the second fixing hole (33) is arranged to overlap with the fixing hole (24); and the fixing column (411) is arranged to pass through the fixing hole (24) and the second fixing hole (33) in sequence.

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