Fastener with anti-corrosion function

Abstract

The utility model provides a fastener with an anti-corrosion function. The fastener with the anti-corrosion function comprises a hexagonal fixing block, a threaded rod is installed at the bottom of the hexagonal fixing block, and the fastener is characterized in that a partition plate is connected to the upper end of the threaded rod in a sleeved mode, the top of the partition plate makes contact with the bottom of the hexagonal fixing block in an attached mode, and a protective cover is installed at the top of the partition plate; a second limiting assembly is installed between the inner wall of the protective cover and the outer wall of the hexagonal fixing block. According to the fastener with the anti-corrosion function, through interaction of the protruding block, the connecting rod, the connecting plate, the spring, the protective cover, a second limiting assembly, a partition plate, a second circular groove, a limiting rod and other assemblies, the hexagonal fixing block can be stably sleeved with the protective cover easily and conveniently, and it is guaranteed that external matter cannot easily enter the protective cover; when the fastener is corroded and the protective cover needs to be taken down, the limiting rod can be separated from the first circular groove only by pressing the convex block, so that the protective cover can be taken down from the outside of the hexagonal fixing block.

Description

TECHNICAL FIELD

[0001] The utility model relates to fastener technical field especially relates to a fastener with anticorrosion function. BACKGROUND

[0002] With the continuous promotion of fastener, more and more fastener is a kind of mechanical parts for fastening connection and is widely used. Fastener is widely used in industry, including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, mould, hydraulic and other industries, and can be seen in various mechanical equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments and supplies, etc. Various fasteners are the most widely used mechanical basic parts.

[0003] The existing fastener has no protective measures on the outside during use, so that the fastener body is easily corroded by external substances, thereby reducing the durability of the fastener and increasing the risk of use.

[0004] Therefore, it is necessary to provide a fastener with anticorrosion function to solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model provides a fastener with anticorrosion function, which solves the problem that the fastener has no protective measures on the outside during use.

[0006] To solve the above technical problems, the fastener with anticorrosion function provided by the utility model comprises a hexagonal fixing block, and a threaded rod is installed at the bottom of the hexagonal fixing block, characterized in that: a partition plate is sleeved on the upper end of the threaded rod, the top of the partition plate is in contact with the bottom of the hexagonal fixing block, a protective cover is installed on the top of the partition plate, a limiting assembly two is installed between the inner wall of the protective cover and the outer wall of the hexagonal fixing block, circular grooves two are formed in the outer walls of the left and right sides of the partition plate, rectangular grooves are formed in the left and right sides of the top of the partition plate, the rectangular grooves are communicated with the circular grooves two, guide rods are formed in the inner walls of the two circular grooves two, connecting plates are slidably connected to the outer walls of the guide rods, the upper end of each connecting plate penetrates through the rectangular groove, a limiting rod is installed on the upper end side wall of each connecting plate, rectangular plates are installed on the inner walls of the left and right sides of the protective cover, circular grooves one are formed in the side walls of the two rectangular plates, the limiting rod is insertedly connected with the circular grooves one, springs are installed between the side wall of each connecting plate and the inner wall of the circular groove two, the spring is sleeved on the outside of the guide rod, a protruding block is insertedly connected to the inner wall near the entering end of the circular groove two, a plurality of connecting rods are installed between the protruding block and the connecting plate, a nut is threadedly connected to the outer wall of the lower end of the threaded rod, a limiting assembly one is installed at the bottom of the nut, a protective sleeve is installed between the limiting assembly one and the bottom of the nut, and the protective sleeve is sleeved on the outside of the lower end of the threaded rod.

[0007] Preferably, the limiting assembly two includes limiting grooves two, and the limiting grooves two are arranged on the left and right outer walls of the hexagonal fixing block.

[0008] Preferably, the limiting assembly one includes rectangular blocks, and the rectangular blocks are fixedly installed on the bottom of the nut.

[0009] Preferably, the protective cover is provided with a circular block on the top, and the outer wall of the circular block is provided with anti-skid lines.

[0010] Preferably, the hexagonal fixing block is provided with a polygonal groove on the top, and a cross groove is arranged in the bottom of the polygonal groove.

[0011] Preferably, the nut and the partition plate are provided with rubber rings on the top and the bottom, respectively.

[0012] Compared with the related art, the fastener with the anti-corrosion function has the following beneficial effects:

[0013] Through the interaction of the convex block, the connecting rod, the connecting plate, the spring, the protective cover, the limiting assembly two, the hexagonal fixing block, the partition plate, the circular groove two and the limiting rod, the protective cover can be simply and conveniently stably sleeved outside the hexagonal fixing block, so that external substances cannot easily enter the inside of the protective cover to corrode the fastener. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the first embodiment of the fastener with the anti-corrosion function provided by the utility model.

[0015] Figure 2 It is a structural schematic view of the first embodiment of the fastener with the anti-corrosion function provided by the utility model. Figure 1 It is a structural schematic view of the first embodiment of the fastener with the anti-corrosion function provided by the utility model.

[0016] Figure 3 It is a structural schematic view of the first embodiment of the fastener with the anti-corrosion function provided by the utility model. Figure 2 It is a structural schematic view of the first embodiment of the fastener with the anti-corrosion function provided by the utility model.

[0017] Figure 4 It is a structural schematic view of the first embodiment of the fastener with the anti-corrosion function provided by the utility model.Figure 2 A is a partial enlarged view of the indicated part;

[0018] Figure 5 A is a partial enlarged view of the indicated part; Figure 3 B is a partial enlarged view of the indicated part;

[0019] Figure 6 A is a partial enlarged view of the indicated part;

[0020] Figure 7 A is a partial enlarged view of the indicated part; Figure 1 A is a partial enlarged view of the indicated part;

[0021] Figure label: 1, threaded rod, 2, partition, 3, protruding block, 4, protective cover, 5, round block, 6, nut, 7, rubber ring, 71, vulcanized butadiene rubber layer, 72, chloroprene rubber layer, 73, anti-skid layer, 8, limiting assembly one, 81, limiting block, 82, rectangular block, 83, limiting groove one, 9, protective sleeve, 10, hexagonal fixed block, 11, rectangular plate, 12, limiting assembly two, 121, limiting strip, 122, limiting groove two, 13, polygonal groove, 14, cross groove, 15, circular groove one, 16, limiting rod, 17, rectangular groove, 18, connecting plate, 19, connecting rod, 20, guide rod, 21, circular groove two, 22, spring. DETAILED DESCRIPTION

[0022] The utility model will be further described below in combination with the drawings and embodiments.

[0023] First embodiment

[0024] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , wherein, Figure 1 A is a partial enlarged view of the indicated part; Figure 2 A is a partial enlarged view of the indicated part; Figure 1 A is a partial enlarged view of the indicated part; Figure 3 A is a partial enlarged view of the indicated part; Figure 2 A is a partial enlarged view of the indicated part; Figure 4 A is a partial enlarged view of the indicated part; Figure 2 A is a partial enlarged view of the indicated part; Figure 5 A is a partial enlarged view of the indicated part; Figure 3The local enlarged view of B shown. The fastener with anti-corrosion function includes hexagonal fixed block 10, the bottom of which is provided with threaded rod 1, characterized in that: the upper end of the threaded rod 1 is sleeved with partition plate 2, the top of which is in contact with the bottom of the hexagonal fixed block 10, the bottom of which is connected with the object to be fixed, the top of the partition plate 2 is provided with protective cover 4, the inner wall of which and the outer wall of the hexagonal fixed block 10 are provided with limiting assembly two 12, the left and right outer walls of the partition plate 2 are provided with circular groove two 21, the top left and right sides of the partition plate 2 are provided with rectangular groove 17, the rectangular groove 17 is communicated with the circular groove two 21, the inner wall of the two circular groove two 21 is provided with guide rod 20, the outer wall of the guide rod 20 is slidably connected with connecting plate 18, the upper end of the connecting plate 18 penetrates the rectangular groove 17, the upper end of the connecting plate 18 is provided with limiting rod 16, the left and right inner walls of the protective cover 4 are provided with rectangular plate 11, the side walls of the two groups of rectangular plate 11 are provided with circular groove one 15, the limiting rod 16 is insertedly connected with the circular groove one 15, the side wall of the connecting plate 18 and the inner wall of the circular groove two 21 are provided with spring 22, the spring 22 is sleeved outside the guide rod 20, the inner wall close to the entering end of the circular groove two 21 is insertedly connected with protruding block 3, a plurality of connecting rods 19 are arranged between the protruding block 3 and the connecting plate 18, the lower end of the threaded rod 1 is threadedly connected with nut 6, the bottom of the nut 6 is provided with limiting assembly one 8, the limiting assembly one 8 and the bottom of the nut 6 are provided with protective sleeve 9, the protective sleeve 9 is of telescopic structure, and the protective sleeve 9 is sleeved outside the lower end of the threaded rod 1.

[0025] The limiting assembly two 12 includes limiting groove two 122, which is arranged on the left and right outer walls of the hexagonal fixed block 10, the left and right inner walls of the protective cover 4 are provided with limiting strip 121, and the two groups of limiting strip 121 are insertedly connected with the limiting groove two 122, so that the protective cover 4 can be stably sleeved outside the hexagonal fixed block 10.

[0026] The limiting assembly one 8 includes rectangular block 82, a plurality of groups of the rectangular block 82 are fixedly arranged on the bottom of the nut 6, the side wall of each group of the rectangular block 82 is provided with limiting groove one 83, the limiting groove one 83 penetrates the bottom of the rectangular block 82, and the other end side wall of the rectangular block 82 is not penetrated, the upper end outer wall of the protective sleeve 9 is uniformly provided with a plurality of limiting blocks 81, the limiting block 81 is insertedly connected with the limiting groove one 83, the limiting block 81 is separated from the limiting groove one 83 by rotating the protective sleeve 9, so that the protective sleeve 9 can be taken out from the lower end of the threaded rod 1, and when installation is needed, the above process can be operated in reverse.

[0027] The top of the protective cover 4 is provided with circular block 5, the outer wall of the circular block 5 is provided with anti-skid lines, and the installation of the circular block 5 facilitates lifting the protective cover 4.

[0028] The working principle of the fastener with the anti-corrosion function is as follows:

[0029] After the to-be-fastened object is fixed by the threaded rod 1 and the nut 6, the protrusion 3 is pressed by fingers, the connecting rod 19 pushes the connecting plate 18 to extrude the spring 22, then the protective cover 4 is installed on the top of the partition plate 2 through the limiting assembly two 12 and the hexagonal fixing block 10, and then the protrusion 3 is released, the spring 22 automatically drives the connecting plate 18 to move into the second circular groove 21, the connecting plate 18 drives the limiting rod 16 to be inserted into the first circular groove 15, so that the locking of the protective cover 4 is completed, when the protective cover 4 needs to be removed, the protrusion 3 is pressed again, the limiting rod 16 is separated from the first circular groove 15, so that the protective cover 4 can be removed from the outside of the hexagonal fixing block 10, if the exposed part of the lower end of the threaded rod 1 is more, the protective sleeve 9 can be sleeved on the lower end of the threaded rod 1, and the lower end of the threaded rod 1 is connected with the bottom of the nut 6 through the limiting assembly one 8, so that the protection of the exposed part of the lower end of the threaded rod 1 is completed.

[0030] Compared with the related art, the fastener with the anti-corrosion function has the following beneficial effects:

[0031] Through the interaction of the protrusion 3, the connecting rod 19, the connecting plate 18, the spring 22, the protective cover 4, the limiting assembly two 12, the hexagonal fixing block 10, the partition plate 2, the second circular groove 21 and the limiting rod 16, the protective cover 4 can be stably sleeved outside the hexagonal fixing block 10, so that external substances cannot easily enter the inside of the protective cover 4, and the fastener is not corroded, when the protective cover 4 needs to be removed, the protrusion 3 is pressed again, the limiting rod 16 is separated from the first circular groove 15, so that the protective cover 4 can be removed from the outside of the hexagonal fixing block 10, and through the interaction of the protective sleeve 9, the threaded rod 1, the limiting assembly one 8 and the nut 6, the protection of the exposed part of the lower end of the threaded rod 1 is completed, and the lower end of the fastener is prevented from being corroded.

[0032] Second embodiment

[0033] Please refer to Figure 6 and Figure 7 , based on the fastener with the anti-corrosion function provided by the first embodiment of the application, the second embodiment of the application provides another fastener with the anti-corrosion function. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the separate implementation of the first embodiment.

[0034] Specifically, the fastener with anti-corrosion function provided in the second embodiment of this application is different in that the top of the hexagonal fixing block 10 is provided with a polygonal groove 13, and the bottom of the polygonal groove 13 is provided with a cross groove 14. When there is no suitable tool to rotate the hexagonal fixing block 10, the polygonal groove 13 and the cross groove 14 are used as alternative rotation methods.

[0035] Rubber rings 7 are installed on the top of the nut 6 and the bottom of the partition 2. The rubber rings 7 include a vulcanized butadiene rubber layer 71, a neoprene rubber layer 72, and an anti-slip layer 73. The vulcanized butadiene rubber layer 71 is located on top of the neoprene rubber layer 72 and is fixedly connected by adhesive. The bottom of the neoprene rubber layer 72 is fixedly connected to the top of the anti-slip layer 73. With the vulcanized butadiene rubber layer 71, the vulcanized butadiene rubber has excellent cold resistance, wear resistance, and elasticity. With the neoprene rubber layer 72, it has good comprehensive performance, with the characteristics of oil resistance, flame resistance, oxidation resistance, and ozone resistance. With the anti-slip layer 73, the object to be fixed will not easily shift from the nut 6 and the hexagonal fixing block 10.

[0036] Compared with related technologies, the fastener with anti-corrosion function provided by this utility model has the following beneficial effects:

[0037] When there is no suitable tool to rotate the hexagonal fixing block 10, the polygonal groove 13 and the cross groove 14 serve as alternative rotation methods, which can also rotate the hexagonal fixing block 10.

[0038] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A fastener with anti-corrosion function, comprising a hexagonal fixing block, wherein a threaded rod is installed at the bottom of the hexagonal fixing block, characterized in that: A partition plate is sleeved on the upper end of the threaded rod. The top of the partition plate is in close contact with the bottom of the hexagonal fixing block. A protective cover is installed on the top of the partition plate. A limit component two is installed between the inner wall of the protective cover and the outer wall of the hexagonal fixing block. Circular grooves two are formed on the outer walls of both sides of the partition plate. Rectangular grooves are formed on the left and right sides of the top of the partition plate. The rectangular grooves are connected to the circular grooves two. Guide rods are formed on the inner walls of both sets of circular grooves two. A connecting plate is slidably connected to the outer wall of the guide rod. The upper end of the connecting plate passes through the rectangular groove. A limit rod is installed on the upper side wall of the connecting plate. The protective cover is positioned on the left and right sides. Rectangular plates are installed on both inner walls. A circular groove is formed on the side wall of each of the two sets of rectangular plates. The limiting rod is inserted into the circular groove. A spring is installed between the side wall of the connecting plate and the inner wall of the circular groove. The spring is sleeved on the outside of the guide rod. A protrusion is inserted into the inner wall near the inlet end of the circular groove. Several sets of connecting rods are installed between the protrusion and the connecting plate. A nut is threaded onto the outer wall of the lower end of the threaded rod. A limiting component is installed at the bottom of the nut. A protective sleeve is installed between the limiting component and the bottom of the nut, and the protective sleeve is sleeved on the outside of the lower end of the threaded rod.

2. The fastener with anti-corrosion function according to claim 1, characterized in that, The second limiting component includes a second limiting groove. Two sets of the second limiting grooves are formed on the outer walls of the left and right sides of the hexagonal fixing block. Limiting strips are installed on the inner walls of the left and right sides of the protective cover. The two sets of limiting strips are inserted and connected to the second limiting groove.

3. The fastener with anti-corrosion function according to claim 1, characterized in that, The limiting component includes rectangular blocks. Several sets of rectangular blocks are fixedly installed at the bottom of the nut. Each set of rectangular blocks has a limiting groove on its side wall. Several sets of limiting blocks are evenly installed on the upper outer wall of the protective sleeve. The limiting blocks are plugged into the limiting groove.

4. The fastener with anti-corrosion function according to claim 1, characterized in that, A circular block is installed on the top of the protective cover, and the outer wall of the circular block is provided with anti-slip texture.

5. The fastener with anti-corrosion function according to claim 1, characterized in that, The top of the hexagonal fixing block has a polygonal groove, and the bottom of the polygonal groove has a cross groove.

6. The fastener with anti-corrosion function according to claim 1, characterized in that, Rubber rings are installed on the top of the nut and the bottom of the partition. The rubber rings include a vulcanized cis-butadiene rubber layer, a neoprene rubber layer and an anti-slip layer. The vulcanized cis-butadiene rubber layer is located on top of the neoprene rubber layer and is fixedly connected by adhesive. The bottom of the neoprene rubber layer is fixedly connected to the top of the anti-slip layer.

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