Wear-resistant and corrosion-resistant fastener

Abstract

The utility model relates to the technical field of fasteners, in particular to a wear-resistant and corrosion-resistant fastener which comprises a mounting top block, a threaded rod is fixedly connected to the bottom of the mounting top block, a fixing clamping groove is formed in the surface of the threaded rod, a movable nut is movably connected to the outer side of the surface of the threaded rod, and the movable nut is fixedly connected to the bottom of the mounting top block. A fixed limiting sleeve block is placed on the inner side of the bottom end of the movable nut, through mutual cooperation of the movable nut, the fixed limiting sleeve block and a positioning bolt, a threaded rod can be inserted between connected objects, and then the movable nut is rotationally connected to the outer side of the surface of the threaded rod in a sleeving mode; then a fixed limiting sleeve block is connected with a threaded rod, a positioning bolt is rotationally inserted into the inner side of the threaded rod, the position of the fixed limiting sleeve block is limited, and therefore the position of a movable nut can be limited, the movable nut and a mounting top block are kept stable, and the whole device can be stably used; and the self-locking effect is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to fastener technical field, in particular to a kind of wear-resistant corrosion-resistant fastener. BACKGROUND

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

[0003] Through the search, like the announcement number for CN216361097U is disclosed a kind to be locked with super-strong wear-resistant corrosion-resistant threaded fastener, including bolt body, the outside of the bolt body is provided with hot dip layer, the outside of the bolt body is sequentially threaded with first nut and second nut, the outer surface of the first nut and second nut is all around fixedly distributed with connecting sleeve, and connecting rod is inserted between connecting sleeve, the bolt body is equipped with washer.

[0004] The above-mentioned technical solution has certain beneficial effects. The overall wear resistance and corrosion resistance are improved by high manganese steel and hot dip galvanizing layer. However, in actual use process, the mutual cooperation between the first nut, the second nut, the connecting sleeve and the connecting rod makes the first nut and the second nut become a whole, which is equivalent to a nut for use. The self-locking effect is not high. Therefore, we propose a wear-resistant corrosion-resistant fastener. UTILITY MODEL CONTENT

[0005] In view of the above problems, the utility model provides a wear-resistant corrosion-resistant fastener, which can solve the problems existing in the background art.

[0006] The technical scheme of the utility model is as follows:

[0007] A wear-resistant corrosion-resistant fastener, comprising a mounting top block, a threaded rod fixedly connected to the bottom of the mounting top block, a fixed clamping groove formed on the surface of the threaded rod, an activity nut movably connected to the outer side of the surface of the threaded rod, a fixed limiting sleeve block placed on the inner side of the bottom end of the activity nut, a positioning bolt movably connected to the inner side of the threaded rod, and an internal thread formed on the inner side of the threaded rod.

[0008] In a further technical scheme, a fixed inner groove is formed at the bottom end of the threaded rod, and an activity reinforcing mechanism is connected to the outer side of the surface of the bottom end of the threaded rod.

[0009] In a further technical solution, the bottom end of the movable nut is provided with a fixing groove, and the inner side of the fixing groove is in close contact with the outer side of the surface of the fixing limiting sleeve block.

[0010] In a further technical solution, the outer side of the surface of the fixing limiting sleeve block is in close contact with the outer side of the surface of the threaded rod and the inner side of the fixing clamping groove.

[0011] In a further technical solution, the movable reinforcing mechanism comprises a movable sleeve block, the inner side of the movable sleeve block is provided with a connecting thread, the inner side of the movable sleeve block is fixedly connected with a fixing clamping block, the inside of the fixing clamping block and the movable sleeve block is provided with a fixing through hole, and the outer side of the surface of the movable sleeve block is fixedly sleeved with a connecting rotating block.

[0012] In a further technical solution, the inner side of the connecting thread is in close contact with the outer side of the surface of the threaded rod, and the outer side of the surface of the fixing clamping block is in close contact with the inner side of the fixing inner groove.

[0013] In a further technical solution, the outer side of the surface of the positioning bolt is in close contact with the inner side of the fixing through hole.

[0014] The beneficial effects of the present application are as follows:

[0015] 1. The mutual cooperation between the movable nut, the fixing limiting sleeve block and the positioning bolt can be achieved by inserting the threaded rod into the connected objects, then rotating and sleeving the movable nut on the outer side of the surface of the threaded rod, then connecting the fixing limiting sleeve block and the threaded rod, and rotating and inserting the positioning bolt into the inner side of the threaded rod to limit the position of the fixing limiting sleeve block, thereby limiting the position of the movable nut, keeping the movable nut and the mounting top block stable, and enabling the whole to be used stably with high self-locking effect.

[0016] 2. The movable reinforcing mechanism can support the end of the threaded rod during actual use, enable the end of the threaded rod to be used stably, avoid deformation of the end of the threaded rod, and has a simple overall structure and convenient operation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the overall structure schematic diagram of the wear-resistant and corrosion-resistant fastener according to an embodiment of the present application;

[0018] Figure 2 is the overall bottom view structure schematic diagram of the wear-resistant and corrosion-resistant fastener according to an embodiment of the present application;

[0019] Figure 3 is the bottom view exploded structure schematic diagram of the wear-resistant and corrosion-resistant fastener according to an embodiment of the present application;

[0020] Figure 4 is a kind of movable reinforcing mechanism structure schematic diagram of wear-resistant corrosion-resistant fastener of the utility model embodiment.

[0021] Mark explanation:

[0022] 1, installation top block;2, threaded rod;3, fixed slot;4, movable nut;5, fixed limit sleeve block;6, positioning bolt;7, movable reinforcing mechanism;8, fixed groove;9, internal thread;10, fixed inner groove;11, movable sleeve block;12, connecting thread;13, fixed block;14, fixed through hole;15, connecting rotating block. Specific embodiments

[0023] The embodiments of the utility model are further described below with reference to the drawings.

[0024] Embodiment:

[0025] As Figures 1-4 shown, a kind of wear-resistant corrosion-resistant fastener, including installation top block 1, the bottom of installation top block 1 is fixedly connected with threaded rod 2, the surface of threaded rod 2 is equipped with fixed slot 3, the surface outer side of threaded rod 2 is movably connected with movable nut 4, the bottom end inner side of movable nut 4 is placed with fixed limit sleeve block 5, the inner side of threaded rod 2 is movably connected with positioning bolt 6, and the inner side of threaded rod 2 is equipped with internal thread 9.

[0026] The working principle of the above technical solution is as follows:

[0027] In the process of using, threaded rod 2 is inserted into the object to be connected inside, then movable nut 4 is rotated and is sleeved on the surface outer side of threaded rod 2, then fixed limit sleeve block 5 is clamped into the inner side of fixed slot 3 and the surface outer side of threaded rod 2, and is mutually attached between movable nut 4, then positioning bolt 6 is rotated and installed on the inner side of threaded rod 2, the position of fixed limit sleeve block 5 is limited, so that fixed limit sleeve block 5 can limit the position of movable nut 4, so that the whole can be stably used, and operation is convenient.

[0028] In another embodiment, as Figure 1 shown, the bottom end of threaded rod 2 is equipped with fixed inner groove 10, and the bottom end surface outer side of threaded rod 2 is clamped with movable reinforcing mechanism 7.

[0029] Movable reinforcing mechanism 7 can reinforce the end of threaded rod 2, so that the end of threaded rod 2 can be stably used, avoid deformation of the end of threaded rod 2, and operation is convenient.

[0030] In another embodiment, as Figure 3As shown, the bottom end of the movable nut 4 is provided with a fixing groove 8, and the inner side of the fixing groove 8 is in close contact with the outer side of the surface of the fixing limiting sleeve block 5.

[0031] The fixing limiting sleeve block 5 can be stably clamped on the inner side of the fixing groove 8, and the operation is convenient.

[0032] In another embodiment, as shown in the figure, Figure 3 The outer side of the surface of the fixing limiting sleeve block 5 is in close contact with the outer side of the surface of the threaded rod 2 and the inner side of the fixing clamping groove 3.

[0033] The fixing limiting sleeve block 5 can be stably clamped on the inner side of the fixing clamping groove 3 and sleeved on the outer side of the surface of the threaded rod 2, and the operation is convenient.

[0034] In another embodiment, as shown in the figure, Figure 4 The inner side of the connecting thread 12 is in close contact with the outer side of the surface of the threaded rod 2, and the outer side of the surface of the fixing clamping block 13 is in close contact with the inner side of the fixing inner groove 10.

[0035] The connecting rotating block 15 can be rotated, so that the movable sleeve block 11 can be installed on the outer side of the bottom surface of the threaded rod 2, and the fixing clamping block 13 can be located on the inner side of the fixing inner groove 10, thereby strengthening the bottom end of the threaded rod 2 and avoiding deformation, and the operation is convenient.

[0036] In another embodiment, as shown in the figure, Figure 4 The inner side of the connecting thread 12 is in close contact with the outer side of the surface of the threaded rod 2, and the outer side of the surface of the fixing clamping block 13 is in close contact with the inner side of the fixing inner groove 10.

[0037] The movable sleeve block 11 can be stably installed on the outer side of the bottom surface of the threaded rod 2, and the fixing clamping block 13 can be stably located on the inner side of the fixing inner groove 10, thereby improving the connection stability.

[0038] In another embodiment, as shown in the figure, Figure 4 The outer side of the surface of the positioning bolt 6 is in close contact with the inner side of the fixing through hole 14.

[0039] The positioning bolt 6 can be stably located on the inner side of the fixing through hole 14, and the operation is convenient.

[0040] The utility model discloses a working principle: in the process of using, the threaded rod 2 is inserted the inside of the object of required connection, then the movable nut 4 is rotated and is covered in the surface outside of threaded rod 2, to carry out the fastening of connection, afterwards fixed limit sleeve piece 5 is inserted the inside of fixed clamping groove 3 and is covered in the surface outside of threaded rod 2, then to the connection rotating block 15 is rotated, make movable sleeve piece 11 can be installed in the bottom end surface outside of threaded rod 2, and make fixed clamping block 13 can be in the inside of fixed inner groove 10, to strengthen the bottom end of threaded rod 2, avoid the deformation, finally the end of positioning bolt 6 is inserted the inside of fixed through -hole 14, and is rotated, and is connected with the inside screw thread 9, make the top of positioning bolt 6 with the position of fixed limit sleeve piece 5 is limited, and then can limit the position of movable nut 4, lock the connection between whole, make whole can stably use, whole structure is simple, convenient and fast.

[0041] The above embodiments only express the specific implementation manners of the utility model, and the description is more specific and detailed, but it can not be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled person in the art, without departing from the concept of the utility model, a number of deformation and improvement can be made, and these all belong to the protection scope of the utility model.

Claims

1. A wear and corrosion resistant fastener comprising a mounting pad (1) characterised in that: The bottom of the installation top block (1) is fixedly connected with a threaded rod (2), the surface of the threaded rod (2) is provided with a fixed clamping groove (3), the surface outer side of the threaded rod (2) is movably connected with a movable nut (4), the bottom end inner side of the movable nut (4) is placed with a fixed limiting sleeve block (5), the inner side of the threaded rod (2) is movably connected with a positioning bolt (6), and the inner side of the threaded rod (2) is provided with an internal thread (9).

2. A corrosion and wear resistant fastener according to claim 1, wherein: The bottom end of the threaded rod (2) is provided with a fixed inner groove (10), and the bottom end surface outer side of the threaded rod (2) is connected with a movable reinforcing mechanism (7).

3. A corrosion and wear resistant fastener according to claim 1, wherein: The bottom end of the movable nut (4) is provided with a fixed groove (8), and the inner side of the fixed groove (8) and the surface outer side of the fixed limiting sleeve block (5) are mutually matched.

4. A corrosion and wear resistant fastener according to claim 1 wherein: The surface outer side of the fixed limiting sleeve block (5) and the surface outer side of the threaded rod (2) and the inner side of the fixed clamping groove (3) are mutually slidably matched.

5. A corrosion and wear resistant fastener according to claim 2, wherein: The movable reinforcing mechanism (7) comprises a movable sleeve block (11), the inner side of the movable sleeve block (11) is provided with a connecting thread (12), the inner side bottom end of the movable sleeve block (11) is fixedly connected with a fixed clamping block (13), the inside of the fixed clamping block (13) and the movable sleeve block (11) is provided with a fixed through hole (14), and the surface outer side of the movable sleeve block (11) is fixedly sleeved with a connecting rotating block (15).

6. A corrosion and wear resistant fastener according to claim 5 wherein: The inner side of the connecting thread (12) and the surface outer side of the threaded rod (2) are mutually matched, and the surface outer side of the fixed clamping block (13) and the inner side of the fixed inner groove (10) are mutually matched.

7. A corrosion and wear resistant fastener according to claim 5 wherein: The surface outer side of the positioning bolt (6) and the inner side of the fixed through hole (14) are mutually matched.

Images