Self-locking fastener

Abstract

The utility model relates to the technical field of fasteners, and discloses a self-locking fastener which comprises a rotating block, the lower side of the rotating block is fixedly connected with a fastener body, the two sides of the fastener body are provided with evenly-distributed inserting holes, the outer portion of the fastener body is connected with a fixing disc in a sliding mode, the two sides of the interior of the fixing disc are each provided with a groove, and the fixing disc is provided with a groove. A groove is formed in the base, a first telescopic rod is fixedly connected into the groove, the first telescopic rod is sleeved with a first spring, a moving plate is fixedly connected to the output end of the first telescopic rod, an inserting rod is fixedly connected to the side, close to the moving plate, of the moving plate, and a sliding block is fixedly connected to the upper side of the inserting rod. According to the self-locking fastener, the device can be rapidly installed and fixed, meanwhile, the self-locking function is achieved after fixing is completed, gaps are avoided after the device is fixed, rainwater and dust are prevented from entering the space between the fastener body and the device, and the problems of corrosion and rusting are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, in particular to a self-locking fastener. Background Art

[0002] Fasteners are a type of mechanical parts used for fastening connections and are extremely widely used. Fasteners are used in a wide range of industries, including energy, electronics, electrical appliances, machinery, chemicals, metallurgy, molds, hydraulics and other industries. Various fasteners can be seen on various machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemicals, meters and supplies. They are the most widely used basic mechanical components.

[0003] In the prior art, through the mutual cooperation of the structures among the cap head, connecting rod, threaded column, threaded groove, connecting piece, threaded sleeve, spacer, limit pin, shift block and clamping hole, after the threaded column and the threaded sleeve are installed inside the connecting piece, a self-locking structure can be formed between the threaded column and the threaded sleeve, which can effectively prevent the threaded column and the threaded sleeve from loosening after installation. Most of the existing devices cannot quickly install and fix the device during use, and cannot self-lock after fixing. The operator needs to fix it again, which makes it more cumbersome for the operator to use. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art that the device can be quickly installed and fixed during use, but cannot be self-locked after fixation is completed, and the operator is required to fix it again, which makes it more cumbersome for the operator to use, and a self-locking fastener is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a self-locking fastener, including a rotating block, a fastener body is fixedly connected to the lower side of the rotating block, and evenly distributed sockets are opened on both sides of the fastener body, the outside of the fastener body is slidably connected to a fixed disk, both sides of the interior of the fixed disk are grooves, the inside of the groove is fixedly connected to a first telescopic rod, the outside of the first telescopic rod is sleeved with a first spring, the output end of the first telescopic rod is fixedly connected to a moving plate, the adjacent side of the moving plate is fixedly connected to an insertion rod, the upper side of the insertion rod is fixedly connected to a sliding block, the insertion rod is slidably connected to the inside of the socket, both sides of the lower part of the fixed disk are fixedly connected to support plates, and the adjacent side of the support plate is fixedly connected to a clamping assembly, and the clamping assembly is used to clamp and fix the fastener body.

[0006] As a further description of the above technical solution:

[0007] The clamping assembly comprises a second telescopic rod, the second telescopic rod is fixedly connected to the adjacent side of the support plate, a second spring is sleeved on the outside of the second telescopic rod, and an output end of the second telescopic rod is fixedly connected to a clamping plate.

[0008] As a further description of the above technical solution:

[0009] A fixing plate is fixedly connected to the lower side of the rotating block, and evenly distributed placement grooves are opened on the lower side of the fixing plate. A sealing component is fixedly connected inside the placement groove. The sealing component is used to fix the device without any gaps. A second sealing gasket is fixedly connected to the upper side of the sealing component.

[0010] As a further description of the above technical solution:

[0011] The sealing assembly comprises a third spring, the third spring is fixedly connected inside the placement groove, and the bottom end of the third spring is fixedly connected with a first sealing pad.

[0012] As a further description of the above technical solution:

[0013] One end of the first spring is fixedly connected to the inside of the groove, and the other end of the first spring is fixedly connected to the far side of the moving plate.

[0014] As a further description of the above technical solution:

[0015] One end of the second spring is fixedly connected to the side of the support plate that is close to the support plate, and the other end of the second spring is fixedly connected to the side of the clamping plate that is far away from the support plate.

[0016] As a further description of the above technical solution:

[0017] Slide grooves are provided on both sides of the upper part of the fixed plate, and sliding blocks are slidably connected inside the slide grooves.

[0018] As a further description of the above technical solution:

[0019] The moving plate is slidably connected inside the groove.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, the sliding block is manually moved to drive the insertion rod and the moving plate to move, so that the insertion rod is inserted into the inside of the insertion hole, and the movement of the moving plate drives the first telescopic rod and the first spring to stretch, and at the same time, the second telescopic rod and the second spring drive the clamping plate to clamp and fix the fastener body, so that the device can be quickly installed and fixed, and a self-locking function is performed after the fixation is completed, and the operator does not need to fix it again.

[0022] 2. In the utility model, the fixing plate is moved by the movement of the rotating block, so that the first sealing gasket and the second sealing gasket are in contact. When in contact, the first sealing gasket squeezes the third spring, so that no gap will appear after the device is fixed, and rainwater and dust are prevented from entering between the fastener body and the device, preventing corrosion and rust problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional diagram of a self-locking fastener proposed by the utility model;

[0024] Figure 2 A cross-sectional view of a fixing disk of a self-locking fastener proposed by the utility model;

[0025] Figure 3 A cross-sectional view of a fixing plate of a self-locking fastener proposed in the utility model;

[0026] Figure 4 for Figure 1 Enlarged view of point A in .

[0027] Legend:

[0028] 1. Rotating block; 2. Fastener body; 3. Plug hole; 4. Fixed plate; 5. Groove; 6. First telescopic rod; 7. First spring; 8. Moving plate; 9. Inserting rod; 10. Sliding block; 11. Slide groove; 12. Support plate; 13. Second telescopic rod; 14. Second spring; 15. Clamping plate; 16. Fixed plate; 17. Placement groove; 18. Third spring; 19. First sealing gasket; 20. Second sealing gasket. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Reference Figure 1 , Figure 2 , Figure 4The utility model provides an embodiment: a self-locking fastener, including a rotating block 1, a fastener body 2 is fixedly connected to the lower side of the rotating block 1, and evenly distributed plug holes 3 are opened on both sides of the fastener body 2. A fixed plate 4 is slidably connected to the outside of the fastener body 2, and grooves 5 are provided on both sides of the inside of the fixed plate 4. A first telescopic rod 6 is fixedly connected to the inside of the groove 5, and a first spring 7 is sleeved on the outside of the first telescopic rod 6. The output end of the first telescopic rod 6 is fixedly connected to a moving plate 8, and the adjacent side of the moving plate 8 is fixedly connected to a plug Rod 9, the upper side of the plug rod 9 is fixedly connected with a sliding block 10, the plug rod 9 is slidably connected to the inside of the socket 3, the lower sides of the fixed disk 4 are fixedly connected with support plates 12, the adjacent side of the support plate 12 is fixedly connected with a clamping assembly, the clamping assembly is used to clamp and fix the fastener body 2; the clamping assembly includes a second telescopic rod 13, the second telescopic rod 13 is fixedly connected to the adjacent side of the support plate 12, the outer side of the second telescopic rod 13 is provided with a second spring 14, and the output end of the second telescopic rod 13 is fixedly connected with a clamping plate 15.

[0031] First, move the rotating block 1 to drive the fastener body 2 to insert into the fixed disk 4, and then manually move the sliding block 10 to drive the insertion rod 9 and the movable plate 8 to move, so that the insertion rod 9 is inserted into the socket 3. The movement of the movable plate 8 drives the first telescopic rod 6 and the first spring 7 to stretch, and at the same time, the second telescopic rod 13 and the second spring 14 drive the clamping plate 15 to clamp and fix the fastener body 2, so that the device can be quickly installed and fixed.

[0032] Reference Figure 1 , Figure 3 A fixing plate 16 is fixedly connected to the lower side of the rotating block 1, and evenly distributed placement grooves 17 are opened on the lower side of the fixing plate 16. A sealing component is fixedly connected to the inside of the placement groove 17. The sealing component is used to fix the device without any gap. A second sealing gasket 20 is fixedly connected to the upper side of the sealing component; the sealing component includes a third spring 18, and the third spring 18 is fixedly connected to the inside of the placement groove 17. The bottom end of the third spring 18 is fixedly connected to the first sealing gasket 19.

[0033] The rotation block 1 moves to drive the fixed plate 16 to move, so that the first sealing gasket 19 and the second sealing gasket 20 are in contact. When in contact, the first sealing gasket 19 presses the third spring 18, so that no gap will appear after the device is fixed.

[0034] Reference Figure 1 , Figure 2 , Figure 4One end of the first spring 7 is fixedly connected to the inside of the groove 5, and the other end of the first spring 7 is fixedly connected to the side of the moving plate 8 that is away from it; one end of the second spring 14 is fixedly connected to the side of the support plate 12 that is close to it, and the other end of the second spring 14 is fixedly connected to the side of the clamping plate 15 that is away from it; both sides of the upper part of the fixed plate 4 are provided with sliding grooves 11, and the inside of the sliding grooves 11 is slidably connected with sliding blocks 10; the moving plate 8 is slidably connected to the inside of the groove 5.

[0035] One end of the first spring 7 is fixedly connected to the inside of the groove 5, and the other end of the first spring 7 is fixedly connected to the side of the movable plate 8 that is far away, so as to drive the movable plate 8 to move inside the groove 5; one end of the second spring 14 is fixedly connected to the side of the support plate 12 that is close to it, and the other end of the second spring 14 is fixedly connected to the side of the clamping plate 15 that is far away from it, so as to clamp and fix the fastener body 2; both sides of the upper part of the fixed plate 4 are provided with sliding grooves 11, and the sliding block 10 is slidably connected to the inside of the sliding groove 11, so as to support the sliding block 10; the movable plate 8 is slidably connected to the inside of the groove 5, so as to support the insertion rod 9.

[0036] Working principle: When using the device, first move the rotating block 1, the rotating block 1 moves to drive the fastener body 2 to be inserted into the fixed disk 4, and then manually move the sliding block 10 so that the sliding block 10 slides in the slide groove 11, the sliding block 10 moves to drive the insertion rod 9 to be inserted into the insertion hole 3, the insertion rod 9 moves to drive the moving plate 8 to slide in the groove 5, the moving plate 8 moves to drive the first telescopic rod 6 and the first spring 7 to stretch, and at the same time, the second telescopic rod 13 and the second spring 14 drive the clamping plate 15 to move, so that the clamping plate 15 clamps and fixes the fastener body 2, so that the device can be quickly installed and fixed, and a self-locking function is performed after the fixation is completed, and the operator does not need to fix it again; the rotating block 1 moves to drive the fixed plate 16 to move, so that the first sealing gasket 19 and the second sealing gasket 20 are in contact, and the first sealing gasket 19 squeezes the third spring 18 when in contact, so that there will be no gap after the device is fixed, and rainwater and dust are prevented from entering between the fastener body 2 and the device, and corrosion and rust problems are prevented.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A self-locking fastener, comprising a rotating block (1), characterized in that: The lower side of the rotating block (1) is fixedly connected to a fastener body (2), and both sides of the fastener body (2) are provided with evenly distributed insertion holes (3). The outside of the fastener body (2) is slidably connected to a fixed disk (4), and both sides of the interior of the fixed disk (4) are grooves (5). The interior of the groove (5) is fixedly connected to a first telescopic rod (6), and the exterior of the first telescopic rod (6) is sleeved with a first spring (7). The output end of the first telescopic rod (6) is fixedly connected to a moving plate (8), and the adjacent side of the moving plate (8) is fixedly connected to an insertion rod (9). The upper side of the insertion rod (9) is fixedly connected to a sliding block (10), and the insertion rod (9) is slidably connected to the interior of the insertion hole (3). Both sides of the lower part of the fixed disk (4) are fixedly connected to support plates (12), and the adjacent side of the support plate (12) is fixedly connected to a clamping assembly, and the clamping assembly is used to clamp and fix the fastener body (2).

2. A self-locking fastener according to claim 1, characterized in that: The clamping assembly comprises a second telescopic rod (13), the second telescopic rod (13) is fixedly connected to a side close to the support plate (12), a second spring (14) is sleeved on the outside of the second telescopic rod (13), and a clamping plate (15) is fixedly connected to the output end of the second telescopic rod (13).

3. A self-locking fastener according to claim 1, characterized in that: A fixing plate (16) is fixedly connected to the lower side of the rotating block (1), and evenly distributed placement grooves (17) are provided on the lower side of the fixing plate (16). A sealing component is fixedly connected inside the placement groove (17), and the sealing component is used to fix the device so that no gap will appear. A second sealing pad (20) is fixedly connected to the upper side of the sealing component.

4. A self-locking fastener according to claim 3, characterized in that: The sealing assembly comprises a third spring (18), wherein the third spring (18) is fixedly connected inside the placement groove (17), and the bottom end of the third spring (18) is fixedly connected to a first sealing pad (19).

5. A self-locking fastener according to claim 1, characterized in that: One end of the first spring (7) is fixedly connected to the inside of the groove (5), and the other end of the first spring (7) is fixedly connected to the far side of the moving plate (8).

6. A self-locking fastener according to claim 2, characterized in that: One end of the second spring (14) is fixedly connected to the adjacent side of the support plate (12), and the other end of the second spring (14) is fixedly connected to the distant side of the clamping plate (15).

7. A self-locking fastener according to claim 1, characterized in that: Slide grooves (11) are provided on both sides of the upper part of the fixed plate (4), and a sliding block (10) is slidably connected inside the slide groove (11).

8. A self-locking fastener according to claim 1, characterized in that: The movable plate (8) is slidably connected inside the groove (5).

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