CN112628265B

CN112628265B - Fastening bolt

Info

Publication number: CN112628265B
Application number: CN202011534083.4A
Authority: CN
Inventors: 郑志强; 夏鹏
Original assignee: ZHEJIANG YUTAI AUTO PARTS CO Ltd
Current assignee: ZHEJIANG YUTAI AUTO PARTS CO Ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2023-05-23
Anticipated expiration: 2040-12-22
Also published as: CN112628265A

Abstract

The invention relates to the field of bolts, in particular to a fastening bolt which comprises a threaded rod and a nut head, wherein one end of the threaded rod is connected with an end plate, one end of the end plate, which is far away from the threaded rod, is connected with a fixing rod, one end of the fixing rod, which is far away from the end plate, is connected with the nut head, and one end of the nut head, which is far away from the fixing rod, is provided with an inner hexagonal hole. Can effectually avoid the condition that the nut head, draw-in groove cover and interior hexagonal hole lead to the unable normal screw of threaded rod after damaging in use for the threaded rod can normal stable screw in use moves, and can extend the life of threaded rod. The fastening bolt can be used in a small space and a large space, and is simple and quick to install and detach. Meanwhile, the fastening bolt can withstand multiple times of installation and disassembly and is not easy to damage.

Description

Fastening bolt

Technical Field

The invention relates to the field of bolts, in particular to a fastening bolt.

Background

A bolt is a mechanical part, with a cylindrical threaded fastener of a nut. A fastener consisting of a head part and a screw rod is used for fastening and connecting two parts with through holes. This form of connection is called bolting.

However, the prior fastening bolt still has certain defects in use. The existing fastening bolt has simple structure and function, and only comprises a head part and a screw rod. The screw rod is connected fixedly with the article and is easy to rust, follow-up disassembly and assembly are inconvenient, and impurities and dust outside the screw rod can not be timely removed during assembly, so that the screw rod is not smoothly assembled. The head is easy to damage when screwing with the wrench, and can only be used with a single wrench, once the head is damaged, the whole bolt is difficult to unscrew again, and the installation and the disassembly are difficult. In the space of equidimension, too big spanner hardly twists the bolt, and the efficiency of dismouting is lower.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a fastening bolt.

The aim of the invention can be achieved by the following technical scheme:

the utility model provides a fastening bolt, includes threaded rod and nut head, the one end of threaded rod is connected with the tip board, and the one end that the threaded rod was kept away from to the tip board is connected with the dead lever, and the one end that the tip board was kept away from to the dead lever is connected with the nut head, and the one end that the dead lever was kept away from to the nut head is provided with interior hexagonal hole.

The outside cover of nut head is equipped with mobilizable fixed sleeve, and fixed sleeve is connected with the sleeve pipe towards the one end of threaded rod, and the sleeve pipe is kept away from fixed sleeve's one end and is rotated and be connected with the connecting pipe, sleeve pipe and connecting pipe all suit in the outside of dead lever, sleeve pipe and dead lever slidable mounting, and fixed sleeve's internal diameter is greater than the external diameter of dead lever.

The inner wall of the connecting pipe is connected with a plurality of elastic cleaning pads which can be contacted with the outside of the threaded rod.

One end of the end plate, which is far away from the fixed rod, is rotationally connected with an anti-falling gasket, and the anti-falling gasket is sleeved outside the threaded rod.

Preferably, the outside of dead lever evenly is provided with a plurality of removal groove along length direction, and sheathed tube inner wall evenly welds the slider that has a plurality of and removes groove looks adaptation along circumferencial direction, slider slidable mounting in the inside that removes the groove, removes one side of groove towards the nut head through spring coupling fixedly connected with extension spring, the other end and the nut head fixed connection of extension spring, and the extension spring is installed in the inside that removes the groove.

Preferably, the outside suit of fixed sleeve is fixed with the draw-in groove cover, and the outside of draw-in groove cover is provided with a plurality of draw-in groove along length direction evenly.

Preferably, the inside of fixed sleeve and the outside of nut head all are the hexagon setting, and all are connected with the cardboard on every lateral wall of fixed sleeve's inside, all be provided with the joint groove with cardboard looks adaptation on every outer wall of nut head.

Preferably, a circle of oil pipe is arranged in the connecting pipe along the circumferential direction, a circulation port is connected between one side of the oil pipe and the elastic cleaning pad made of each sponge material, the other side of the oil pipe is connected with an oil filling port, and the side wall of the oil filling port inertial pipe connecting pipe is communicated with the outside.

Preferably, a circle of sliding grooves are formed in one end, facing the anti-falling gasket, of the end plate along the circumferential direction, and an arc-shaped taking and placing opening is formed in one side of the edge of each sliding groove; the one end that anticreep gasket towards the tip board is connected with two elastic expansion link, and elastic expansion link's stiff end sets up in the inside of anticreep gasket, and elastic expansion link's flexible end is connected with spherical piece, and spherical piece slidable mounting is in the inside of sliding tray.

The invention has the beneficial effects that:

1. through at the mobilizable fixed sleeve of external mounting of nut head, and set up interior hexagonal hole at the tip of nut head for can use calliper spanner, socket spanner and interior hexagonal spanner when the screwing of threaded rod, the dismantlement mode is diversified, and the instrument of using is diversified, not limited to single instrument. Can effectually avoid the condition that the nut head, draw-in groove cover and interior hexagonal hole lead to the unable normal screw of threaded rod after damaging in use for the threaded rod can normal stable screw in use moves, and can extend the life of threaded rod. The fastening bolt can be used in a small space and a large space, and is simple and quick to install and detach. Meanwhile, the fastening bolt can withstand multiple times of installation and disassembly and is not easy to damage.

2. Through at the internally mounted elastic cleaning pad of connecting pipe for when the threaded rod was twisted the installation, can push away the fixed sleeve to the one end of threaded rod. The inside elasticity cleaning pad of connecting pipe and the outside contact of threaded rod, and then can clean the outside of threaded rod for the threaded rod gets into the inside of spare part before being cleared up, removes more smoothly, makes things convenient for the twisting of threaded rod to move. And lubricating oil is smeared on the threaded rod by using the elastic cleaning pad. After the elastic cleaning pad is contacted with the threaded rod, the elastic cleaning pad can smear lubricating oil outside the threaded rod. The outside of the threaded rod can be uniformly coated with lubricating oil, the threaded rod is not easy to rust in use, and the threaded rod can adapt to a dark and moist working environment.

3. Through the anti-drop gasket that can rotate at the one end connection of tip board for when threaded rod and article fixed mounting, the elastic expansion link of anti-drop gasket tip removes along the sliding tray through the spherical piece of tip, and then makes anti-drop gasket can not rotate along with the dead lever, and does not influence the removal of dead lever. After the anti-falling gasket is extruded by the end plate, the telescopic end of the elastic telescopic rod is contracted into the anti-falling gasket, and then two sides of the anti-falling gasket can be in tight contact with the end of the end plate and an object to be fixed respectively, and the anti-falling gasket can enable the threaded rod to be difficult to fall off in use. The end plate is connected with the anti-falling gasket through the elastic telescopic rod, so that the anti-falling gasket cannot fall off, the anti-falling gasket can be used for multiple times, and the risk of losing the anti-falling gasket is reduced.

Drawings

The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

Fig. 1 is a schematic view of the whole structure of a fastening bolt according to the present invention.

Fig. 2 is a left side view of fig. 1 of a fastening bolt provided by the present invention.

Fig. 3 is a side view of fig. 1 of a fastening bolt provided by the present invention.

Fig. 4 is a schematic view of the internal structure of a connecting pipe for fastening bolts according to the present invention.

Fig. 5 is a schematic diagram of an end plate structure of a fastening bolt according to the present invention.

Fig. 6 is a schematic view of an installation structure of an elastic telescopic rod and an end plate of a fastening bolt according to the present invention.

In the figure: 1. a threaded rod; 2. a moving groove; 3. a fixed rod; 4. a clamping groove sleeve; 5. a nut head; 6. a clamping plate; 7. a fixed sleeve; 8. an inner hexagonal hole; 9. a clamping groove; 10. a tension spring; 11. a sleeve; 12. an oil filling port; 13. a connecting pipe; 14. an anti-drop spacer; 15. an elastic telescopic rod; 16. an end plate; 17. an elastic cleaning pad; 18. a slide block; 19. an oil pipe; 20. a flow port; 21. a spring interface; 22. a sliding groove; 23. a taking and placing port; 24. spherical blocks.

Detailed Description

The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-6, a fastening bolt comprises a threaded rod 1 and a nut head 5, wherein one end of the threaded rod 1 is connected with an end plate 16, one end of the end plate 16 away from the threaded rod 1 is connected with a fixing rod 3, one end of the fixing rod 3 away from the end plate 16 is connected with the nut head 5, and one end of the nut head 5 away from the fixing rod 3 is provided with an inner hexagonal hole 8.

The outside cover of nut head 5 is equipped with mobilizable fixed sleeve 7, and fixed sleeve 7 is connected with sleeve pipe 11 towards the one end of threaded rod 1, and sleeve pipe 11 keeps away from fixed sleeve 7's one end rotation and is connected with connecting pipe 13, and sleeve pipe 11 and connecting pipe 13 all suit are in the outside of dead lever 3, sleeve pipe 11 and dead lever 3 slidable mounting, and fixed sleeve 7's internal diameter is greater than the external diameter of dead lever 3.

The inner wall of the connection pipe 13 is connected with a plurality of elastic cleaning pads 17, and the elastic cleaning pads 17 can be contacted with the outside of the threaded rod 1.

The end plate 16 is kept away from the one end rotation of dead lever 3 and is connected with anticreep gasket 14, and anticreep gasket 14 suit is in the outside of threaded rod 1.

As a technical optimization scheme of the invention, a plurality of moving grooves 2 are uniformly arranged on the outer part of a fixed rod 3 along the length direction, a plurality of sliding blocks 18 matched with the moving grooves 2 are uniformly welded on the inner wall of a sleeve 11 along the circumferential direction, the sliding blocks 18 are slidably arranged in the moving grooves 2, one side of the moving grooves 2, which faces a nut head 5, is fixedly connected with a tension spring 10 through a spring interface 21, the other end of the tension spring 10 is fixedly connected with the nut head 5, the tension spring 10 is arranged in the moving grooves 2, the sliding blocks 18 move in the moving grooves 2 and can limit the movement of the sleeve 11, and further the sleeve 11 is more stable in movement. And the tension spring 10 can pull the sleeve 11 to move to the outside of the nut head 5.

As a technical optimization scheme of the socket wrench, the clamping groove sleeve 4 is fixedly sleeved outside the fixing sleeve 7, a plurality of clamping grooves are uniformly formed in the outer portion of the clamping groove sleeve 4 along the length direction, and the clamping groove sleeve 4 is convenient for installation and use of the socket wrench.

As a technical optimization scheme of the invention, the inside of the fixed sleeve 7 and the outside of the nut head 5 are both arranged in a hexagonal shape, each side wall of the inside of the fixed sleeve 7 is connected with a clamping plate 6, each outer wall of the nut head 5 is provided with a clamping groove 9 matched with the clamping plate 6, and the clamping plate 6 is clamped in the clamping groove 9, so that the fixed sleeve 7 is not easy to slide outside the nut head 5.

As a technical optimization scheme of the invention, a circle of oil pipe 19 is arranged in the connecting pipe 13 along the circumferential direction, a circulation port 20 is connected between one side of the oil pipe 19 and each elastic cleaning pad 17 made of sponge materials, the other side of the oil pipe 19 is connected with an oil filling port 12, the side wall of the oil filling port 12 is communicated with the outside through the connecting pipe 13, the oil filling port 12 is used for filling lubricating oil into the oil pipe 19, and the lubricating oil enters the elastic cleaning pad 17 through the circulation port 20.

As a technical optimization scheme of the invention, one end of the end plate 16 facing the anti-drop gasket 14 is provided with a circle of sliding groove 22 along the circumferential direction, and one side of the edge of the sliding groove 22 is provided with an arc-shaped taking-and-placing opening 23;

the one end towards tip board 16 of anticreep gasket 14 is connected with two elastic expansion link 15, and the stiff end setting of elastic expansion link 15 is in the inside of anticreep gasket 14, and the flexible end of elastic expansion link 15 is connected with spherical piece 24, and spherical piece 24 slidable mounting is in the inside of sliding tray 22.

When the invention is used, the threaded rod 1 can drive the threaded rod 1 to rotate by screwing the nut head 5 or the clamping groove sleeve 4 by using a spanner when the threaded rod 1 is used for connecting and fixing parts. If the caliper wrench is used for directly screwing the nut head 5, the fixing sleeve 7 is pushed, the fixing sleeve 7 moves towards the threaded rod 1, the fixing sleeve 7 is separated from the outside of the nut head 5, the nut head 5 is exposed, and the caliper wrench can be used for clamping and screwing the nut head 5. When the fixed sleeve 7 moves, the sleeve 11 at the end part moves in the moving groove 2 through the sliding block 18 at the bottom, so that the fixed sleeve 7 can move along the fixed rod 3, the stability in moving is ensured, and shaking is not easy to occur. And in the process of moving the fixed sleeve 7 to the threaded rod 1, the tension spring 10 is stretched, so that the buffer effect can be achieved.

If the threaded rod 1 is screwed by using the socket wrench, the socket wrench is directly sleeved outside the clamping groove sleeve 4, and the internal part of the socket wrench is clamped with the clamping groove outside the clamping groove sleeve 4, so that the socket wrench can be clamped and fixed with the fixed socket 7, and the socket wrench can apply force to the fixed socket 7 to screw. When the fixed sleeve 7 is stressed, the clamping plate 6 inside the fixed sleeve is clamped and fixed with the clamping groove 9, and the bearing pressure can be shared, so that the fixed sleeve 7 cannot slip outside the nut head 5, and the nut head 5 and the threaded rod 1 can be stably driven to rotate.

The space of the part installation place fixed by the threaded rod 1 is small, and the socket head cap wrench and the socket head cap hole 8 can be used for clamping and installing, so that the nut head 5 is screwed. The screwing of the threaded rod 1 can be achieved by using a caliper wrench, a socket wrench and an internal hexagonal wrench, the disassembling mode is diversified, and the used tools are diversified and are not limited to a single tool. The situation that the threaded rod 1 cannot be screwed normally after the nut head 5, the clamping groove sleeve 4 and the inner hexagonal hole 8 are damaged in use can be effectively avoided, so that the threaded rod 1 can be screwed normally and stably in use, and the service life of the threaded rod 1 can be prolonged. The fastening bolt can be used in a small space and a large space, and is simple and quick to install and detach. Meanwhile, the fastening bolt can withstand multiple times of installation and disassembly and is not easy to damage.

When the threaded rod 1 does not need to be screwed, the tension spring 10 can pull the sleeve 11 to move towards the nut head 5, so that the fixing sleeve 7 is sleeved outside the nut head 5, and the fixing sleeve 7 can return automatically without manual operation. When the threaded rod 1 is screwed, the fixing sleeve 7 can be pushed towards one end of the threaded rod 1. The inside elasticity cleaning pad 17 of connecting pipe 13 and the outside contact of threaded rod 1, and then clean the outside of threaded rod 1 for the inside that gets into spare part of threaded rod 1 gets up before is cleared up, removes more smoothly, makes things convenient for the screwing of threaded rod 1. And the elastic cleaning pad 17 can be used for smearing lubricating oil on the threaded rod 1 according to actual requirements. After the elastic cleaning pad 17 is contacted with the threaded rod 1, the lubricating oil can be injected into the oil pipe 19 through the oil injection port 12, so that the lubricating oil enters the elastic cleaning pad 17, and when the threaded rod 1 rotates, the elastic cleaning pad 17 smears the lubricating oil outside the threaded rod 1. The outside of the threaded rod 1 can be uniformly coated with lubricating oil, the threaded rod 1 is not easy to rust in use, and the working environment of darkness and humidity can be adapted.

And when threaded rod 1 and article fixed mounting, dead lever 3 will prevent getting off gasket 14 to press in the outside of article, and when dead lever 3 rotated, the elastic expansion link 15 of anticreep gasket 14 tip was passed through the spherical piece 24 of tip and is removed along sliding tray 22, and then makes anticreep gasket 14 can not rotate along with dead lever 3, and does not influence the removal of dead lever 3. After the anti-falling gasket 14 is extruded by the end plate 16, the telescopic end of the elastic telescopic rod 15 is contracted into the anti-falling gasket 14, so that two sides of the anti-falling gasket 14 can be respectively in close contact with the end of the end plate 16 and an object to be fixed, and the threaded rod 1 is not easy to fall off in use due to the anti-falling gasket 14. The end plate 16 is connected with the anti-falling gasket 14 through the elastic telescopic rod 15, so that the anti-falling gasket 14 cannot fall off, the anti-falling gasket can be used for multiple times, and the risk of losing the anti-falling gasket 14 is reduced. When the anti-falling gasket 14 needs to be detached and replaced, the elastic telescopic rod 15 is moved to the inside of the taking and placing opening 23, and then the elastic telescopic rod 15 and the spherical block 24 are sequentially taken out from the inside of the sliding groove 22, so that the anti-falling gasket 14 can be detached.

The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The fastening bolt comprises a threaded rod (1) and a nut head (5), and is characterized in that one end of the threaded rod (1) is connected with an end plate (16), one end of the end plate (16) away from the threaded rod (1) is connected with a fixing rod (3), one end of the fixing rod (3) away from the end plate (16) is connected with the nut head (5), and one end of the nut head (5) away from the fixing rod (3) is provided with an inner hexagonal hole (8);

the movable fixing sleeve (7) is sleeved outside the nut head (5), one end, facing the threaded rod (1), of the fixing sleeve (7) is connected with the sleeve (11), one end, far away from the fixing sleeve (7), of the sleeve (11) is rotationally connected with the connecting pipe (13), the sleeve (11) and the connecting pipe (13) are sleeved outside the fixing rod (3), the sleeve (11) and the fixing rod (3) are slidably mounted, and the inner diameter of the fixing sleeve (7) is larger than the outer diameter of the fixing rod (3);

the inner wall of the connecting pipe (13) is connected with a plurality of elastic cleaning pads (17), and the elastic cleaning pads (17) can be contacted with the outside of the threaded rod (1);

one end of the end plate (16) far away from the fixed rod (3) is rotationally connected with an anti-falling gasket (14), and the anti-falling gasket (14) is sleeved outside the threaded rod (1);

the outside of dead lever (3) is provided with a plurality of removal groove (2) along length direction evenly, and the inner wall of sleeve pipe (11) has evenly welded a plurality of slider (18) with remove groove (2) looks adaptation along circumference direction, slider (18) slidable mounting in the inside of removal groove (2), and one side of slider (18) towards nut head (5) is through spring interface (21) fixedly connected with extension spring (10), and the other end and the nut head (5) fixed connection of extension spring (10), and extension spring (10) are installed in the inside of removing groove (2);

the outside of the fixed sleeve (7) is sleeved and fixed with a clamping groove sleeve (4), and a plurality of clamping grooves are uniformly formed in the outer part of the clamping groove sleeve (4) along the length direction;

the inside of the fixed sleeve (7) and the outside of the nut head (5) are both arranged in a hexagonal shape, each side wall of the inside of the fixed sleeve (7) is connected with a clamping plate (6), and each outer wall of the nut head (5) is provided with a clamping groove (9) matched with the clamping plate (6);

a circle of oil pipe (19) is arranged in the connecting pipe (13) along the circumferential direction, a circulation port (20) is connected between one side of the oil pipe (19) and each elastic cleaning pad (17) made of sponge materials, the other side of the oil pipe (19) is connected with an oil filling port (12), and the oil filling port (12) penetrates through the side wall of the connecting pipe (13) and is communicated with the outside;

when threaded rod (1) is twisted and is installed, can push away fixed sleeve (7) to the one end of threaded rod (1), the inside elastic cleaning pad (17) of connecting pipe (13) and the outside contact of threaded rod (1), and then clean the outside of threaded rod (1), get clear up before the inside of threaded rod (1) entering spare part, it is more smooth and easy to remove, make things convenient for twisting of threaded rod (1), and can utilize elastic cleaning pad (17) to smear lubricating oil to threaded rod (1), elastic cleaning pad (17) and threaded rod (1) contact the back, accessible oiling mouth (12) are to the inside injection lubricating oil of oil pipe (19), and then lubricating oil enters into the inside of elastic cleaning pad (17), when threaded rod (1) rotate, elastic cleaning pad (17) smear lubricating oil in the outside of threaded rod (1), make the outside of threaded rod (1) can be smeared lubricating oil by even, threaded rod (1) in use is difficult for corrosion, can adapt to dark moist operational environment.

2. A fastening bolt according to claim 1, characterized in that the end plate (16) is provided with a circle of sliding grooves (22) in the circumferential direction towards one end of the anti-drop spacer (14), and an arc-shaped pick-and-place opening (23) is arranged on one side of the edge of the sliding groove (22); one end of the anti-falling gasket (14) facing the end plate (16) is connected with two elastic telescopic rods (15), the fixed ends of the elastic telescopic rods (15) are arranged in the anti-falling gasket (14), the telescopic ends of the elastic telescopic rods (15) are connected with spherical blocks (24), and the spherical blocks (24) are slidably mounted in the sliding grooves (22).