Hexagonal flange bolt with anti-loosening structure

Abstract

The utility model relates to the technical field of hexagonal flange bolts, in particular to a hexagonal flange bolt with an anti-loosening structure, which comprises a bolt bar, a gasket is sleeved on one side of the outer wall of the bolt bar, a mounting hole is arranged at one end of the bolt bar, and a grasping mechanism is arranged inside the mounting hole. The grasping mechanism comprises a penetrating rod, the penetrating rod penetrates into the mounting hole, the end, penetrating into the mounting hole, of the penetrating rod is connected with a lower pressing head, rotating plates are arranged on the two sides of the lower pressing head, and connecting blocks are fixed to the ends, away from the lower pressing head, of the rotating plates. According to the utility model, the bolt rod is in threaded connection with the penetrating rod through the mounting hole, so that the lower pressing head penetrates into the bolt rod, pushes the rotating plate and rotates on the supporting rod through the connecting block, so that the inserting piece penetrates into the penetrating groove and clamps an object to avoid loosening; therefore, the insertion piece resets to be separated from the object.

Description

Technical Field

[0001] The utility model relates to the technical field of hexagonal flange bolts, in particular to a hexagonal flange bolt with an anti-loosening structure. Background Art

[0002] Hexagonal flange bolts consist of three parts: hexagonal bolt head, flange and screw. Figure 1 It is usually used with hexagonal flange nuts. They are mainly used to fasten two parts with through holes. When assembling, the hexagonal bolt head on the hexagonal flange bolt is usually fixed with a wrench on one side of the connected part, and a sleeve is put on the hexagonal head of the hexagonal flange nut on the other side of the connected part. The hexagonal flange nut is tightened to the specified torque by rotating the sleeve with an air gun.

[0003] The patent specification with announcement number CN213598363U discloses a hexagonal flange bolt with an anti-loosening structure, including a hexagonal flange bolt body and a splicing body connected to one side of the hexagonal flange bolt body, the hexagonal flange bolt body including a hexagonal nut, a flange face and a bolt body, the hexagonal nut and the bolt body are respectively fixedly arranged on both sides of the flange face, the end face of the flange face located on one side of the hexagonal nut is provided with a plurality of first countersunk holes equidistantly along the circumferential direction, a locking screw is matched in the first countersunk hole, and an anti-skid pattern is arranged on the bottom end face of the locking screw. The utility model discloses a hexagonal flange bolt with an anti-loosening structure. After the fastener is fastened by the hexagonal flange bolt body, the locking screw can be turned to lock the locking screw with the fastener. The friction between the locking screw and the fastener can improve the fixing effect of the fastener. At the same time, the anti-skid protrusion provided can play an anti-loosening effect and reduce the possibility of shaking of the fastener.

[0004] However, in the implementation of relevant technologies, it was found that the hexagonal flange bolt with an anti-loosening structure designed as above has the following problems: during use, the prior art needs to install multiple tightening screws to achieve an anti-loosening effect, which makes the installation process more cumbersome and troublesome. When the bolt body penetrates deeply into an object, it cannot fully achieve the anti-loosening effect. In view of this, a hexagonal flange bolt with an anti-loosening structure is provided to overcome the above defects. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a hexagonal flange bolt with an anti-loosening structure.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a hexagonal flange bolt with an anti-loosening structure, comprising a bolt rod, a gasket is sleeved on one side of the outer wall of the bolt rod, and a mounting hole is opened at one end of the bolt rod, and a gripping mechanism is arranged inside the mounting hole;

[0007] The gripping mechanism includes a penetration rod, the mounting hole having a penetration rod inserted therein, and one end of the penetration rod inserted into the mounting hole is connected to a pressing head, rotating plates are provided on both sides of the pressing head, and a connecting block is fixed to the end of the rotating plate away from the pressing head, the connecting block is rotatably connected to a supporting rod, and both sides of the outer wall of the bolt rod are provided with penetration grooves, and an insertion piece is inserted into the penetration groove, the bolt rod is penetrated by the penetration rod, and the pressing head is penetrated between the two rotating plates, the rotating plate is subjected to force to rotate, and the insertion piece is penetrated through the penetration groove, and external objects are inserted to engage to prevent loosening, and only one set of penetration rods needs to be installed to avoid cumbersome installation.

[0008] As a further description of the above technical solution: the rotating plate forms a rotating structure through the connecting block and the support rod and the bolt rod, and the rotating plate is detachably connected to the insertion piece through the bolt. When the bolt rod enters and exits the object, the rotating plate is subjected to force and is supported and connected by the connecting block and the support rod, so that the insertion piece can be easily rotated to penetrate the card and the object.

[0009] As a further description of the above technical solution: fixed blocks are fixed on the opposite surfaces of the two rotating plates, and a spring is connected between the two fixed blocks. When dismantling is required, the threaded rod is removed and the rotating plate is in a non-stressed state. The spring elastically contracts to drive the fixed block to reset the rotating plate and the inserted piece is separated from the object.

[0010] As a further description of the above technical solution: an extension structure is provided at the end of the bolt rod away from the gasket, and the extension structure includes an extension rod, which is provided at the end of the bolt rod away from the gasket, and a connecting rod is inserted into the inside of the extension rod, a threaded head is fixed on the end of the connecting rod facing the bolt rod, and a connecting hole is opened at the position of the threaded head at one end of the bolt rod. After the extension rod is aligned with the bolt rod, the connecting rod is inserted into and bolted to the extension rod, and the threaded head is inserted into the connecting hole and bolted, thereby fixing the bolt rod and the extension rod. It is suitable for objects that require wider and deeper width.

[0011] As a further description of the above technical solution: the connecting rod is threadedly connected to the extension rod, and the threaded head is threadedly connected to the connecting hole. The connecting rod and the extension rod, the threaded head and the connecting hole are threadedly connected, thereby facilitating quick disassembly and assembly.

[0012] As a further description of the above technical solution: a seating hole is opened at the center position of one end of the connecting rod away from the threaded head, and a tightening hole is opened on one side of the seating hole at one end of the threaded head. A limiting column is fixed on one side of the bolt rod where the connecting hole is opened. At the same time, the connecting rod is conveniently threadedly connected to the second group of connecting rods through the opening of the seating hole to continue to lengthen it, and it can be adjusted according to the object to improve applicability.

[0013] As a further description of the above technical solution: the size of the placement hole is consistent with the size of the connecting hole, and the structure of the tightening hole is a regular hexagon. The tightening hole is convenient for the staff to tighten and fix the connecting rod in the extension rod through a regular hexagonal wrench.

[0014] The utility model has the following beneficial effects:

[0015] The utility model discloses a hexagonal flange bolt with an anti-loosening structure. The bolt rod is threadedly connected to the penetration rod through the mounting hole, so that the downward pressure head penetrates the bolt rod and pushes the rotating plate, which rotates on the supporting rod through the connecting block, so that the insertion piece penetrates into the penetration groove and clamps the object to prevent loosening. When disassembling and assembling, after the penetration rod is disassembled, it shrinks under the elasticity of the fixing block and the spring, so that the insertion piece is reset and separated from the object.

[0016] The utility model discloses a hexagonal flange bolt with an anti-loosening structure. The connecting rod is inserted into the extension rod, and the threaded head is inserted into the connecting hole and threadedly connected, so that the extension rod and the bolt rod can be quickly disassembled and assembled. The connecting rod has a reserved placement hole, which is convenient for disassembling and assembling the second group of connecting rods, thereby disassembling and assembling the second group of extension rods, and so on. The extension rods of corresponding lengths can be installed according to the objects, thereby improving applicability and flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the penetration rod of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the rotating plate of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the threaded head of the utility model.

[0021] Legend:

[0022] 1. Bolt rod; 2. Gasket; 3. Mounting hole; 4. Clamping mechanism; 401. Insertion rod; 402. Pressing head; 403. Rotating plate; 404. Connecting block; 405. Support rod; 406. Inserting piece; 407. Passing groove; 5. Fixing block; 6. Spring; 7. Extension structure; 701. Extension rod; 702. Connecting rod; 703. Threaded head; 704. Connecting hole; 8. Placement hole; 9. Tightening hole; 10. Limiting column. DETAILED DESCRIPTION

[0023] Reference Figure 1-4The utility model provides a hexagonal flange bolt with an anti-loosening structure: comprising a bolt rod 1, a gasket 2 is sleeved on one side of the outer wall of the bolt rod 1, a mounting hole 3 is opened at one end of the bolt rod 1, and a gripping mechanism 4 is arranged inside the mounting hole 3;

[0024] The gripping mechanism 4 includes an insertion rod 401, which is inserted into the mounting hole 3. One end of the insertion rod 401 that penetrates the mounting hole 3 is connected to a pressing head 402. Rotating plates 403 are provided on both sides of the pressing head 402. A connecting block 404 is fixed to the end of the rotating plate 403 away from the pressing head 402. The connecting block 404 is rotatably connected to a support rod 405. Both sides of the outer wall of the bolt rod 1 are provided with insertion grooves 407. Insertion pieces 406 are inserted into the insertion grooves 407. The bolt rod 1 is penetrated by the insertion rod 401, and the pressing head 402 is penetrated between the two rotating plates 403. The rotating plate 403 is subjected to force and rotates, and the insertion piece 406 is penetrated through the insertion groove 407. External objects are inserted to engage and prevent loosening. Only one set of insertion rods 401 needs to be installed to avoid cumbersome installation.

[0025] As a further implementation scheme of the above technical scheme: the rotating plate 403 forms a rotating structure with the bolt rod 1 through the connecting block 404 and the support rod 405. The rotating plate 403 is detachably connected to the insertion piece 406 through bolts. When the bolt rod 1 enters and exits the interior of the object, the rotating plate 403 is subjected to force and is supported and connected by the connecting block 404 and the support rod 405, so that the insertion piece 406 can be easily rotated to allow it to penetrate into the card and the object.

[0026] As a further implementation scheme of the above technical scheme: fixed blocks 5 are fixed on the opposite surfaces of the two rotating plates 403, and a spring 6 is connected between the two fixed blocks 5. When dismantling is required, the threaded rod 401 is disassembled, and when the rotating plate 403 is in a non-stressed state, the spring 6 elastically contracts, driving the fixed block 5 to reset the rotating plate 403, and the insertion piece 406 is separated from the object.

[0027] During specific implementation, after the bolt rod 1 is inserted into the object and fixed, the mounting hole 3 is threadedly connected to the insertion rod 401, and the pressing head 402 is allowed to press the two rotating plates 403, and rotate on the support rod 405 through the connecting block 404. The support rod 405 is fixed in the bolt rod 1, so that the insertion piece 406 installed on the rotating plate 403 can pass through the bolt rod 1 through the insertion groove 407, and be inserted into the interior of the object for locking to prevent loosening. When dismantling, the insertion rod 401 is removed, and the pressing head 402 is away from the rotating plate 403. Under the elastic contraction of the spring 6, the fixing block 5 is driven, so that the rotating plate 403 drives the insertion piece 406 to reset to avoid locking and difficulty in disassembly.

[0028] As a further implementation scheme of the above technical scheme: an extension structure 7 is provided at the end of the bolt rod 1 away from the gasket 2, and the extension structure 7 includes an extension rod 701, which is provided at the end of the bolt rod 1 away from the gasket 2, and a connecting rod 702 is inserted into the inside of the extension rod 701, and a threaded head 703 is fixed at the end of the connecting rod 702 facing the bolt rod 1, and a connecting hole 704 is opened at the position of the threaded head 703 at one end of the bolt rod 1. After the extension rod 701 is aligned with the bolt rod 1, the connecting rod 702 is inserted into and bolted to the extension rod 701, and the threaded head 703 is inserted into the connecting hole 704 and bolted, thereby fixing the bolt rod 1 and the extension rod 701, which is suitable for objects that require wider and deeper.

[0029] As a further implementation scheme of the above technical scheme: the connecting rod 702 is threadedly connected to the extension rod 701, and the threaded head 703 is threadedly connected to the connecting hole 704. The connecting rod 702 and the extension rod 701, the threaded head 703 and the connecting hole 704 are threadedly connected, thereby facilitating quick disassembly and assembly.

[0030] As a further implementation scheme of the above technical scheme: a seating hole 8 is opened at the center position of one end of the connecting rod 702 away from the threaded head 703, a tightening hole 9 is opened on one side of the seating hole 8 at one end of the threaded head 703, and a limiting column 10 is fixed on one side of the bolt rod 1 where the connecting hole 704 is opened. At the same time, the connecting rod 702 is conveniently threadedly connected to the second group of connecting rods 702 through the opened seating hole 8 to continue to lengthen it, and it can be adjusted according to the object to improve applicability.

[0031] As a further implementation scheme of the above technical scheme: the size of the placement hole 8 is consistent with the size of the connecting hole 704, and the structure of the tightening hole 9 is a regular hexagon. The tightening hole 9 is convenient for the staff to tighten and fix the connecting rod 702 in the extension rod 701 through a regular hexagonal wrench.

[0032] During specific implementation, the connecting rod 702 is inserted into the extension rod 701 and bolted, and at the same time, the threaded head 703 on one side of the connecting rod 702 is threadedly connected to the connecting hole 704, so that the extension rod 701 and the bolt rod 1 can be quickly disassembled and assembled, and the limit column 10 fixed with the bolt rod 1 is inserted into the reserved hole of the extension rod 701 to avoid shaking when tightening. The connecting rod 702 is conveniently connected to the second set of connecting rods 702 through the opening of the placement hole 8, so that the second extension rod 701 is added and adjusted according to the object.

[0033] Finally, it should be noted that the above are only preferred embodiments of the present invention and are 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 hexagonal flange bolt with an anti-loosening structure, comprising a bolt rod (1), characterized in that: A gasket (2) is sleeved on one side of the outer wall of the bolt rod (1), and a mounting hole (3) is opened at one end of the bolt rod (1), and a gripping mechanism (4) is arranged inside the mounting hole (3); The gripping mechanism (4) comprises a penetration rod (401), the penetration rod (401) is penetrated into the interior of the mounting hole (3), and one end of the penetration rod (401) that penetrates into the mounting hole (3) is connected to a pressing head (402), rotating plates (403) are provided on both sides of the pressing head (402), and a connecting block (404) is fixed to one end of the rotating plate (403) away from the pressing head (402), and a supporting rod (405) is rotatably connected to the interior of the connecting block (404), and outlet grooves (407) are provided on both sides of the outer wall of the bolt rod (1), and an insertion piece (406) is penetrated from the interior of the outlet groove (407).

2. The hexagonal flange bolt with an anti-loosening structure according to claim 1, characterized in that: The rotating plate (403) forms a rotating structure with the bolt rod (1) via the connecting block (404) and the supporting rod (405), and the rotating plate (403) is detachably connected to the inserting plate (406) via bolts.

3. The hexagonal flange bolt with an anti-loosening structure according to claim 1, characterized in that: Fixed blocks (5) are fixed to the opposite surfaces of the two rotating plates (403), and a spring (6) is connected between the two fixed blocks (5).

4. The hexagonal flange bolt with an anti-loosening structure according to claim 1, characterized in that: An extension structure (7) is provided at one end of the bolt rod (1) away from the gasket (2), the extension structure (7) comprising an extension rod (701), the extension rod (701) being provided at one end of the bolt rod (1) away from the gasket (2), a connecting rod (702) passing through the interior of the extension rod (701), a threaded head (703) being fixed at one end of the connecting rod (702) facing the bolt rod (1), and a connecting hole (704) being provided at a position at one end of the bolt rod (1) corresponding to the threaded head (703).

5. The hexagonal flange bolt with an anti-loosening structure according to claim 4, characterized in that: The connecting rod (702) is threadedly connected to the extension rod (701), and the threaded head (703) is threadedly connected to the connecting hole (704).

6. The hexagonal flange bolt with an anti-loosening structure according to claim 4, characterized in that: A placement hole (8) is provided at the center of one end of the connecting rod (702) away from the threaded head (703), and a tightening hole (9) is provided on one side of the placement hole (8) at one end of the threaded head (703). A limiting column (10) is fixed on one side of the bolt rod (1) where the connection hole (704) is provided.

7. The hexagonal flange bolt with an anti-loosening structure according to claim 6, characterized in that: The size of the placement hole (8) is consistent with the size of the connection hole (704), and the structure of the tightening hole (9) is a regular hexagon.

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