High-stability fastener

Abstract

The utility model discloses a high-stability fastener, which belongs to the technical field of fasteners and comprises a bolt, a nut screwed on the bolt, a first clamping groove arranged on the side surface of the bolt, a first limiting shell and a second limiting shell, the first limiting shell and the second limiting shell are sleeved on the side surface of the bolt, and one side of the first limiting shell is attached to one side of the second limiting shell. A first clamping block clamped in the first clamping groove is fixedly connected to the inner wall of the first limiting shell, a sliding strip is fixedly connected to the side, close to the first limiting shell, of the second limiting shell, a connecting groove matched with the sliding strip is formed in the side, close to the second limiting shell, of the first limiting shell, and the sliding strip is inserted into the connecting groove; through cooperative use of the devices, the first limiting shell and the second limiting shell can be spliced together and can be stably clamped to a bolt through the first clamping block so as to abut against a nut and limit the nut, the situation that the nut is loosened is reduced, and the stability of the fastener in actual use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, in particular to a high-stability 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 mechanical basic parts.

[0003] In the prior art, there are many types of fasteners, but the most common ones in life are bolts and nuts. After long-term use, the nuts of bolts and nuts may become loose. Once the nuts become loose, the objects originally fixed are likely to become loose as well, causing some dangerous situations, which may cause unstable operation of some equipment, or in some building structures, affect the stability of the structure, thereby posing a threat to surrounding people or objects.

[0004] Therefore, the present invention provides a high-stability fastener to solve the above problems. Utility Model Content

[0005] (1) Technical problems solved

[0006] The utility model provides a high-stability fastener, aiming to solve the problems raised in the background technology.

[0007] (2) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-stability fastener, which includes a bolt, a nut screwed on the bolt, a first slot opened on the side surface of the bolt, and a first limit shell and a second limit shell sleeved on the side surface of the bolt, one side of the first limit shell is fitted with one side of the second limit shell, the inner wall of the first limit shell is fixedly connected with a first block that is clamped inside the first slot, the side of the second limit shell close to the first limit shell is fixedly connected with a sliding bar, the side of the first limit shell close to the second limit shell is provided with a connecting groove adapted to the sliding bar, and the sliding bar is inserted into the inside of the connecting groove.

[0009] As a preferred technical solution of the present application, a fixing groove is provided inside the first limiting shell, the fixing groove is connected to the connecting groove, a first spring is fixedly connected inside the fixing groove, one end of the first spring is fixedly connected to a second clamping block, the side surface of the second clamping block slides against the inner wall of the fixing groove, and a second clamping groove adapted to the second clamping block is provided on the sliding bar.

[0010] As a preferred technical solution of the present application, a movable groove and a first sliding groove are respectively provided inside the first limiting shell, the first sliding groove is connected to the movable groove, the movable groove is connected to the fixed groove, the interior of the first sliding groove is slidably connected with a traction plate, a guide groove is provided on the traction plate, a traction groove is provided on the second clamping block, and the interior of the movable groove is movably connected with a traction rod, which is sequentially inserted into the interior of the guide groove and the traction groove.

[0011] As a preferred technical solution of the present application, a second slide groove is provided on the side of the first limit shell away from the second limit shell, the second slide groove is connected to the first slide groove, a slider is slidably connected inside the second slide groove, and one side of the slider is fixedly connected to one side of the traction plate.

[0012] As a preferred technical solution of the present application, connecting blocks are fixedly connected on both sides of the slider, a third slide groove is symmetrically opened inside the first limit shell, the third slide groove is connected to the second slide groove, a slide rod is fixedly connected inside the third slide groove, the connecting block is slidably connected to the side surface of the slide rod, the side surface of the slide rod is sleeved with a second spring, one end of the second spring is fixedly connected to one side inner wall of the third slide groove, and the other end of the second spring is fixedly connected to one side of the connecting block.

[0013] As a preferred technical solution of the present application, a gasket group is provided on the side surface of the bolt, one side of the gasket group fits with one side of the nut, and the other side of the gasket group fits with one side of the first limiting shell and the second limiting shell respectively.

[0014] (3) Beneficial effects

[0015] The utility model has a simple structure and is easy to use. Through the arrangement of the first limiting shell, the second limiting shell, the first clamping block and the second clamping block, the first limiting shell and the second limiting shell can be spliced ​​together, and the first clamping block can be stably clamped on the bolt, thereby supporting the nut and limiting the nut, reducing the occurrence of nut loosening and improving the stability of the fastener during actual use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of a high stability fastener;

[0017] Figure 2 This is a schematic diagram of the installation of the first clamping block in the high-stability fastener;

[0018] Figure 3 This is a schematic diagram of the installation of the slider in the high stability fastener;

[0019] Figure 4 Cross-section of the first limiting shell in a high-stability fastener Figure 1 ;

[0020] Figure 5 Cross-section of the first limiting shell in a high-stability fastener Figure 2 .

[0021] In the picture:

[0022] 1. Bolt; 2. Nut; 3. Gasket assembly; 4. First limiting shell; 5. Second limiting shell; 6. First slot; 7. First block; 8. Connecting slot; 9. Slide bar; 10. Fixed slot; 11. Second block; 12. Second slot; 13. First spring; 14. Moving slot; 15. Traction rod; 16. Traction slot; 17. First slide slot; 18. Traction plate; 19. Guide slot; 20. Second slide slot; 21. Slider; 22. Connecting block; 23. Third slide slot; 24. Slide bar; 25. Second spring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] The utility model provides a high stability fastener, such as Figure 1 、 Figure 2 and Figure 3 As shown, the fastener includes a bolt 1, a nut 2 screwed on the bolt 1, a first slot 6 opened on the side surface of the bolt 1, and a first limiting shell 4 and a second limiting shell 5 sleeved on the side surface of the bolt 1, one side of the first limiting shell 4 is fitted with one side of the second limiting shell 5, the inner wall of the first limiting shell 4 is fixedly connected with a first blocking block 7 which is clamped inside the first slot 6, the side of the second limiting shell 5 close to the first limiting shell 4 is fixedly connected with a sliding bar 9, the side of the first limiting shell 4 close to the second limiting shell 5 is provided with a connecting groove 8 adapted to the sliding bar 9, and the sliding bar 9 is inserted into the inside of the connecting groove 8.

[0025] A gasket set 3 is sleeved on the side surface of the bolt 1 , one side of the gasket set 3 is fitted with one side of the nut 2 , and the other side of the gasket set 3 is fitted with one side of the first limiting shell 4 and the second limiting shell 5 respectively.

[0026] When using this fastener, the bolt 1 needs to pass through the fixing hole. After the nut 2 is tightened, the first limiting shell 4 and the second limiting shell 5 need to be installed on the bolt 1 respectively. The first limiting shell 4 can be directly buckled on the bolt 1, but when installing the first limiting shell 4, the first clamping block 7 needs to be inserted into the inside of the first clamping groove 6, and then the second limiting shell 5 can be slid and installed on the first limiting shell 4. At this time, the first limiting shell 4 and the second limiting shell 5 are pieced together to form a complete shell. This shell can be stably clamped on the bolt 1 through the first clamping block 7, thereby resisting the nut 2, limiting the nut 2, and reducing the occurrence of loosening of the nut 2.

[0027] Since the distance between the nut 2 and the first slot 6 is not fixed after the fastener is screwed onto the bolt 1 during actual use, there may be a certain gap between the nut 2 and the first limiting shell 4 and the second limiting shell 5. Therefore, a gasket group 3 can be used to fill this gap. The gasket group 3 includes multiple gaskets. The setting of the gasket group 3 can, on the one hand, enable the first limiting shell 4 and the second limiting shell 5 to press against the nut 2 to limit the nut 2. On the other hand, it can play a buffering role between the nut 2 and the first limiting shell 4 and the second limiting shell 5 to reduce the possibility of damage caused by direct hard contact, thereby improving the service life of the first limiting shell 4 and the second limiting shell 5.

[0028] Furthermore, in order to improve the stability of the first limiting shell 4 and the second limiting shell 5 when they are spliced ​​together, as shown in FIG. Figure 2 、 Figure 3 and Figure 4 As shown, a fixing groove 10 is provided inside the first limiting shell 4, and the fixing groove 10 is connected to the connecting groove 8. A first spring 13 is fixedly connected to the inside of the fixing groove 10, and one end of the first spring 13 is fixedly connected to a second clamping block 11. The side surface of the second clamping block 11 slides against the inner wall of the fixing groove 10, and a second clamping groove 12 adapted to the second clamping block 11 is provided on the slide bar 9.

[0029] When the first limiting shell 4 and the second limiting shell 5 are spliced ​​together, the slide bar 9 on the second limiting shell 5 will be inserted into the connecting groove 8 on the first limiting shell 4. During this process, the slide bar 9 will contact the arc surface of the second clamping block 11 and squeeze the second clamping block 11, so that the second clamping block 11 shrinks in the fixed groove 10 and compresses the first spring 13. When the slide bar 9 is fully inserted into the interior of the connecting groove 8, the second clamping groove 12 on the slide bar 9 is also aligned with the fixed groove 10. At this time, the second clamping block 11 and the first spring 13 also lose the squeezing force. The first spring 13 can instantly release the pressure to push the second clamping block 11 to move, so that the second clamping block 11 can be inserted into the second clamping groove 12 on the slide bar 9, so that the first limiting shell 4 and the second limiting shell 5 can be stably spliced ​​together.

[0030] Furthermore, in order to enable the first limiting shell 4 and the second limiting shell 5 to be removed from the bolt 1, as shown in FIG. Figure 3 、 Figure 4 and Figure 5 As shown, the interior of the first limiting shell 4 is respectively provided with a movable groove 14 and a first sliding groove 17, the first sliding groove 17 is connected to the movable groove 14, the movable groove 14 is connected to the fixed groove 10, the interior of the first sliding groove 17 is slidably connected with a traction plate 18, the traction plate 18 is provided with a guide groove 19, the second clamping block 11 is provided with a traction groove 16, the interior of the movable groove 14 is movably connected with a traction rod 15, and the traction rod 15 is sequentially inserted into the guide groove 19 and the traction groove 16.

[0031] A second slide groove 20 is provided on the side of the first limiting shell 4 away from the second limiting shell 5. The second slide groove 20 is connected to the first slide groove 17. A slider 21 is slidably connected inside the second slide groove 20. One side of the slider 21 is fixedly connected to one side of the traction plate 18.

[0032] When the first limiting shell 4 and the second limiting shell 5 are removed from the bolt 1, it is necessary to slide the slider 21 in the second sliding groove 20. When the slider 21 moves, it can directly drive the traction plate 18 to move. When the traction plate 18 moves, the inner wall of the guide groove 19 will squeeze the traction rod 15, thereby forcing the traction rod 15 to move inside the moving groove 14. When the traction rod 15 moves, it can directly drive the second clamping block 11 to move through the traction groove 16, so that the second clamping block 11 is moved out of the second clamping groove 12 on the slide bar 9, thereby releasing the state of mutual fixation between the first limiting shell 4 and the second limiting shell 5. At this time, the second limiting shell 5 can be removed from the first limiting shell 4 by sliding, and then the first limiting shell 4 can be directly removed from the bolt 1.

[0033] It should be noted that, in order to improve the stability of the slider 21 when it moves, Figure 3 、 Figure 4 and Figure 5 As shown, connecting blocks 22 are fixedly connected to both sides of the slider 21, and a third sliding groove 23 is symmetrically opened inside the first limiting shell 4. The third sliding groove 23 is connected to the second sliding groove 20, and a sliding rod 24 is fixedly connected inside the third sliding groove 23. The connecting block 22 is slidably connected to the side surface of the sliding rod 24, and the side surface of the sliding rod 24 is sleeved with a second spring 25. One end of the second spring 25 is fixedly connected to the inner wall of one side of the third sliding groove 23, and the other end of the second spring 25 is fixedly connected to one side of the connecting block 22.

[0034] When the first limiting shell 4 and the second limiting shell 5 are removed from the bolt 1, it is necessary to slide the slider 21 in the second sliding groove 20. When the slider 21 slides, it can drive the connecting block 22 to slide on the sliding rod 24 and compress the second spring 25. When the staff releases the slider 21, the second spring 25 can release the pressure and drive the slider 21 to reset through the connecting block 22, reducing the possibility of the slider 21 interfering with the splicing of the first limiting shell 4 and the second limiting shell 5. In addition, the setting of the sliding rod 24 provides a good limiting effect for the slider 21. The slider 21 can slide on the sliding rod 24 through the connecting block 22, thereby improving the stability of the slider 21 when moving.

[0035] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. High stability fasteners, characterized by: The fastener comprises a bolt (1), a nut (2) screwed on the bolt (1), a first slot (6) provided on the side surface of the bolt (1), and a first limiting shell (4) and a second limiting shell (5) sleeved on the side surface of the bolt (1); one side of the first limiting shell (4) is fitted with one side of the second limiting shell (5); the inner wall of the first limiting shell (4) is fixedly connected with a first clamping block (7) clamped inside the first slot (6); the side of the second limiting shell (5) close to the first limiting shell (4) is fixedly connected with a sliding bar (9); the side of the first limiting shell (4) close to the second limiting shell (5) is provided with a connecting groove (8) adapted to the sliding bar (9); the sliding bar (9) is inserted into the inside of the connecting groove (8).

2. The high-stability fastener according to claim 1, characterized in that: A fixing groove (10) is provided inside the first limiting shell (4), and the fixing groove (10) is connected to the connecting groove (8). A first spring (13) is fixedly connected inside the fixing groove (10), and one end of the first spring (13) is fixedly connected to a second clamping block (11). The side surface of the second clamping block (11) is slidably attached to the inner wall of the fixing groove (10), and a second clamping groove (12) adapted to the second clamping block (11) is provided on the sliding bar (9).

3. The high stability fastener according to claim 2, characterized in that: A movable groove (14) and a first sliding groove (17) are respectively provided inside the first limiting shell (4), the first sliding groove (17) is connected to the movable groove (14), the movable groove (14) is connected to the fixed groove (10), a traction plate (18) is slidably connected inside the first sliding groove (17), a guide groove (19) is provided on the traction plate (18), a traction groove (16) is provided on the second clamping block (11), a traction rod (15) is movably connected inside the movable groove (14), and the traction rod (15) is sequentially inserted into the guide groove (19) and the traction groove (16).

4. The high-stability fastener according to claim 3, characterized in that: A second sliding groove (20) is provided on a side of the first limiting shell (4) away from the second limiting shell (5), the second sliding groove (20) is connected to the first sliding groove (17), a slider (21) is slidably connected inside the second sliding groove (20), and one side of the slider (21) is fixedly connected to one side of the traction plate (18).

5. The high stability fastener according to claim 4, characterized in that: Both sides of the slider (21) are fixedly connected with connecting blocks (22), the interior of the first limiting shell (4) is symmetrically provided with a third slide groove (23), the third slide groove (23) is connected to the second slide groove (20), the interior of the third slide groove (23) is fixedly connected with a slide rod (24), the connecting block (22) is slidably connected to the side surface of the slide rod (24), the side surface of the slide rod (24) is sleeved with a second spring (25), one end of the second spring (25) is fixedly connected to the inner wall of one side of the third slide groove (23), and the other end of the second spring (25) is fixedly connected to one side of the connecting block (22).

6. The high stability fastener according to claim 1, characterized in that: A gasket group (3) is sleeved on the side surface of the bolt (1), one side of the gasket group (3) is fitted with one side of the nut (2), and the other side of the gasket group (3) is fitted with one side of the first limiting shell (4) and the second limiting shell (5).

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