Corrosion-resistant slotted nut for outdoor steel structure

Abstract

The utility model discloses a corrosion-resistant slotted nut for an outdoor steel structure, and relates to the field of slotted nuts, the corrosion-resistant slotted nut comprises a nut body, the upper side and the lower side of the inner wall of the nut body are respectively provided with an annular groove, the inner wall of each annular groove is provided with a sealing ring, the bottom wall of the nut body is provided with an air groove, and the air groove is communicated with the annular grooves. According to the scheme, the nut body, the sealing ring, the piston ring and other devices are arranged to be matched, so that the device can conveniently seal the joint of a bolt and the nut body, rainwater is prevented from entering the nut body to cause corrosion, and the corrosion resistance of the device is facilitated; and the pushing rings, the pushing strips, the piston rings and other devices are arranged to be matched, so that the device can conveniently push the piston rings to move in parallel, gas pressurization operation is facilitated, and gaps are conveniently sealed.

Description

Technical Field

[0001] The utility model belongs to the technical field of slotted nuts, in particular to a corrosion-resistant slotted nut for outdoor steel structures. Background Art

[0002] Slotted nuts mainly refer to hexagonal slotted nuts, that is, slots are processed on the top of the hexagonal nut. They are used in conjunction with screw hole bolts and cotter pins to prevent relative rotation between the bolts and nuts. Outdoor steel structures can be connected through bolts and nuts. Usually, when rain or water flows into the gap between the nuts, long-term blisters can easily cause corrosion and rust at the connection between the nut and the screw or bolt, making it inconvenient to seal and protect the connection, affecting the normal use of the nut. For this reason, we propose corrosion-resistant slotted nuts for outdoor steel structures. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides corrosion-resistant slotted nuts for outdoor steel structures, which effectively solves the problem that when rainwater or water flows into the connection gap of the nut, long-term blisters can easily cause corrosion and rust at the connection between the nut and the screw or bolt, making it inconvenient to seal and protect the connection, affecting the normal use of the nut.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a corrosion-resistant slotted nut for outdoor steel structure, comprising a nut body, wherein annular grooves are provided on the upper and lower sides of the inner wall of the nut body, a sealing ring is provided on the inner wall of the annular groove, an air groove is provided on the bottom wall of the nut body, the air groove is connected to the annular groove, a piston ring is provided on the inner wall of the air groove, pushing strips are evenly provided on the bottom wall of the piston ring, and groove blocks are evenly provided on the top wall of the nut body.

[0005] Preferably, a pushing ring is provided at the bottom end of the pushing strip, and a sealing ring is provided on the top wall of the pushing ring.

[0006] Preferably, the side walls of the nut body are uniformly provided with mounting grooves, the inner walls of the mounting grooves are uniformly provided with screw-connecting grooves, the groove blocks are located on the inner walls of the mounting grooves, and the inner walls of the groove blocks are provided with fixing bolts.

[0007] Preferably, a limiting frame is provided on the inner wall of the air groove, limiting grooves are evenly formed on the outer wall of the limiting frame, and the pushing strip is located on the inner wall of the limiting groove.

[0008] Preferably, the nut body is made of stainless steel, and the outer wall of the nut body is provided with an anti-rust paint layer.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. The corrosion-resistant slotted nut for outdoor steel structure can be easily sealed at the joint between the bolt and the nut body by arranging the nut body, the sealing ring and the piston ring, so as to prevent the entry of rainwater and cause rust, which is beneficial to the corrosion resistance of the device;

[0011] 2. The corrosion-resistant slotted nut for outdoor steel structure can facilitate the device to push the piston ring to move in parallel by arranging a pushing ring, a pushing strip and a piston ring, which is conducive to gas pressurization operation and sealing the gap;

[0012] 3. The corrosion-resistant slotted nuts for outdoor steel structures are matched with fixing bolts, slot blocks and nut bodies to facilitate installation and disassembly of the slot blocks, avoiding interference and conflict with the installed limiting structures. The assembled slot blocks can be disassembled and assembled according to special circumstances, which improves the convenience of assembly work. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0014] In the attached picture:

[0015] Figure 1 This is a schematic diagram of the structure of the corrosion-resistant slotted nut for outdoor steel structure of the utility model;

[0016] Figure 2 It is a schematic cross-sectional structure diagram of the nut body of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the limit frame of the utility model;

[0018] In the figure: 100, nut body; 101, sealing ring; 102, piston ring; 103, pushing strip; 104, groove block; 105, pushing ring; 106, sealing ring; 107, fixing bolt; 108, limit frame. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] Depend on Figure 1 , Figure 2 and Figure 3It is given that, in the utility model, a corrosion-resistant slotted nut for outdoor steel structure is provided, and annular grooves are provided on the upper and lower sides of the inner wall of the nut body 100, through which the movement of the sealing ring 101 is guided and limited, the inner wall of the annular groove is slidably connected with the sealing ring 101, and the sealing ring 101 is convenient for sealing the joint, and the sealing ring 101 is made of rubber material, which has deformability and is convenient for fitting into the gap for sealing, an air groove is provided on the bottom wall of the nut body 100, and the air groove is communicated with the annular groove, and the inner wall of the air groove is slidably connected with a piston ring 102, and the air in the air groove is conveniently pressurized by the piston ring 102, and the bottom wall of the piston ring 102 is evenly fixedly connected with a pushing strip 103, and the pushing strip 103 facilitates the piston ring 102 to move, and the top wall of the nut body 100 is evenly installed with a groove block 104.

[0021] In this embodiment: the nut body 100 is matched with the bolt to fix the steel structure, the nut body 100 is limited by the cooperation of the cotter pin and the slot block 104 to prevent the nut body 100 from deflecting, and the nut body 100 moves on the bolt to drive the pushing bar 103 to move, so that the pushing bar 103 is pressed against the steel structure, and the piston ring 102 is pushed to move by the pushing bar 103, and the gas in the gas groove is squeezed by the piston ring 102, so that the gas enters the ring groove to push the sealing ring 101 to move and deform, so that the sealing ring 101 fits the outer wall of the bolt for sealing, which is convenient for sealing the upper and lower sides of the inner cavity of the nut body 100, and can make the device easy to seal the joint between the bolt and the nut body 100, so as to prevent rainwater from entering and causing rust, which is beneficial to the corrosion resistance of the device.

[0022] It should be noted that the inner and outer walls of the piston ring 102 are provided with ring grooves, and the inner walls of the ring grooves are provided with piston sealing rings to facilitate pressurized air and avoid air leakage. The sealing ring 101 is made of rubber material, which is easy to deform and is conducive to sealing operations.

[0023] The bottom end of the pushing strip 103 is fixedly connected with a pushing ring 105, which facilitates driving multiple groups of pushing strips 103 to move synchronously. The top wall of the pushing ring 105 is fixedly connected with a sealing ring 106, which facilitates sealing the joint between the pushing ring 105 and the nut body 100.

[0024] In this embodiment: the pushing ring 105 facilitates the synchronous movement of multiple pushing strips 103, which facilitates the movement of the piston ring 102. The device can facilitate the movement of the piston ring 102, which is beneficial to the gas pressurization operation and the sealing of the gap.

[0025] The side walls of the nut body 100 are uniformly provided with mounting grooves, the inner walls of the mounting grooves are uniformly provided with screw-connecting grooves, the groove blocks 104 are located on the inner walls of the mounting grooves, and the inner walls of the groove blocks 104 are sleeved with fixing bolts 107 .

[0026] In the present embodiment: by providing an installation groove, it is convenient to place the slot block 104, and by screwing the fixing bolt 107 to the inner wall of the screwing groove, it is convenient to limit and fix the slot block 104, and it is convenient to load and unload the slot block 104, and the device can facilitate the installation and disassembly of the slot block 104 to avoid interference and conflict with the installed limiting structure. The assembled slot block 104 can be disassembled and assembled according to special circumstances, thereby improving the convenience of assembly work.

[0027] The inner wall of the air groove is fixedly connected to the limiting frame 108, which facilitates the limiting guidance of the movement of the pushing strip 103. The outer wall of the limiting frame 108 is evenly provided with limiting grooves, and the pushing strip 103 is located on the inner wall of the limiting groove.

[0028] In this embodiment, the limiting frame 108 is provided to facilitate the limiting and guiding of the movement of the pushing strip 103, thereby preventing the pushing strip 103 from deflecting, and facilitating the piston ring 102 to move up and down in parallel.

[0029] The nut body 100 is made of stainless steel, and an outer wall of the nut body 100 is provided with an anti-rust paint layer.

[0030] In this embodiment: the nut body 100 made of stainless steel has comprehensive properties such as oxidation resistance, corrosion resistance, non-magnetic, good toughness, and high plasticity, and has received good responses in various industries. It is blocked by applying an anti-rust paint layer to achieve corrosion resistance.

Claims

1. A corrosion-resistant slotted nut for outdoor steel structure, comprising a nut body (100), characterized in that: The upper and lower sides of the inner wall of the nut body (100) are provided with annular grooves, the inner wall of the annular groove is provided with a sealing ring (101), the bottom wall of the nut body (100) is provided with an air groove, the air groove is connected with the annular groove, the inner wall of the air groove is provided with a piston ring (102), the bottom wall of the piston ring (102) is evenly provided with pushing strips (103), and the top wall of the nut body (100) is evenly provided with groove blocks (104).

2. The corrosion-resistant slotted nut for outdoor steel structure according to claim 1, characterized in that: A pushing ring (105) is provided at the bottom end of the pushing strip (103), and a sealing ring (106) is provided on the top wall of the pushing ring (105).

3. The corrosion-resistant slotted nut for outdoor steel structure according to claim 1, characterized in that: The side walls of the nut body (100) are uniformly provided with mounting grooves, the inner walls of the mounting grooves are uniformly provided with screw-connecting grooves, the groove blocks (104) are located on the inner walls of the mounting grooves, and the inner walls of the groove blocks (104) are provided with fixing bolts (107).

4. The corrosion-resistant slotted nut for outdoor steel structure according to claim 1, characterized in that: A limiting frame (108) is arranged on the inner wall of the air groove, and limiting grooves are evenly arranged on the outer wall of the limiting frame (108), and the pushing strip (103) is located on the inner wall of the limiting groove.

5. The corrosion-resistant slotted nut for outdoor steel structure according to claim 1, characterized in that: The nut body (100) is made of stainless steel, and the outer wall of the nut body (100) is provided with an anti-rust paint layer.

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