阅读说明：本技术 一种机器人安装用防松动机构 (anti-loosening mechanism for robot installation ) 是由 杨忠 石致冰 彭宁 于 2019-08-30 设计创作，主要内容包括：本发明公开了一种机器人安装用防松动机构,包括螺栓杆和紧固螺母,螺栓杆的轴向开设有切面,螺栓杆的顶端一体成型有反螺纹杆,螺栓杆上套接有垫圈,垫圈上开设有与螺栓杆相匹配的通孔,螺栓杆上对应垫圈的一侧螺纹连接有紧固螺母,紧固螺母的中部开设有第一螺纹孔,紧固螺母上对应第一螺纹孔的四周开设有弧形凹槽,反螺纹杆的外表壁上对应紧固螺母的一侧螺纹连接有限位螺母,限位螺母的中部开设有第二螺纹孔,限位螺母上对应第二螺纹孔的四周开设有固定孔,固定孔的内部对应弧形凹槽的位置插接有固定机构；本发明相比传统的螺栓不易发生松动,不会造成松开脱落现象,不会造成安全事故,同时拆卸方便,可以再次使用,不会造成浪费。(the invention discloses a looseness-prevention mechanism for robot installation, which comprises a bolt rod and a fastening nut, wherein a tangent plane is axially formed on the bolt rod, a reverse threaded rod is integrally formed at the top end of the bolt rod, a gasket is sleeved on the bolt rod, a through hole matched with the bolt rod is formed in the gasket, one side of the bolt rod, corresponding to the gasket, is in threaded connection with the fastening nut, a first threaded hole is formed in the middle of the fastening nut, an arc-shaped groove is formed in the periphery of the fastening nut, corresponding to the first threaded hole, on the outer surface wall of the reverse threaded rod, one side of the bolt rod, corresponding to the fastening nut, is in threaded connection with a limiting nut, a second threaded hole is formed in the middle of the limiting nut, a fixing hole is formed in the periphery of the limiting nut, corresponding to the second threaded; compared with the traditional bolt, the bolt is not easy to loosen, cannot loosen and fall off, cannot cause safety accidents, is convenient to disassemble, can be reused and cannot cause waste.)

1. The utility model provides a locking mechanism that moves is used in robot installation, includes shank of bolt (1) and fastening nut (4), its characterized in that: the bolt comprises a bolt rod (1), a tangent plane is axially formed in the bolt rod (1), a reverse threaded rod (2) is integrally formed at the top end of the bolt rod (1), a gasket (3) is sleeved on the bolt rod (1), a through hole matched with the bolt rod (1) is formed in the gasket (3), a fastening nut (4) is in threaded connection with one side of the bolt rod (1) corresponding to the gasket (3), a first threaded hole (5) is formed in the middle of the fastening nut (4), an arc-shaped groove (6) is formed in the fastening nut (4) corresponding to the periphery of the first threaded hole (5), a limiting nut (8) is in threaded connection with one side of the outer surface wall of the reverse threaded rod (2) corresponding to the fastening nut (4), a second threaded hole (9) is formed in the middle of the limiting nut (8), and fixing holes (10) are formed in the limiting nut (8) corresponding to the periphery of the second threaded hole (9), the fixing mechanism (7) is inserted in the position, corresponding to the arc-shaped groove (6), of the inside of the fixing hole (10), and a concave end fastening screw (11) is connected to one end, corresponding to the fixing mechanism (7), of the inside of the fixing hole (10) in a threaded mode.

2. The robot-mounted anti-loosening mechanism according to claim 1, wherein: fixing mechanism (7) include fixed pin (701) and spring (702), the inside grafting of fixed orifices (10) has fixed pin (701), the one end of fixed pin (701) with arc recess (6) block is connected, the other end fixedly connected with spring (702) of fixed pin (701), spring (702) are located the inside of fixed orifices (10).

3. The robot-mounted anti-loosening mechanism according to claim 1, wherein: the thread direction of the bolt rod (1) is opposite to that of the reverse thread rod (2), and the diameter of the cross section of the bolt rod (1) is 4mm larger than that of the cross section of the reverse thread rod (2).

4. the robot-mounted anti-loosening mechanism according to claim 1, wherein: the first threaded hole (5) is matched with the bolt rod (1), and the second threaded hole (9) is matched with the reverse threaded rod (2).

5. The robot-mounted anti-loosening mechanism according to claim 1, wherein: the arc-shaped groove (6) is opposite to the thread direction of the reverse threaded rod (2) from the shallow direction to the deep direction.

6. the robot-mounted anti-loosening mechanism according to claim 1, wherein: and the upper end of the inner side wall of the fixing hole (10) is provided with a thread matched with the concave end fastening screw (11).

7. The robot-mounted anti-loosening mechanism according to claim 2, wherein: the fixing pin (701) and the spring (702) are detachably connected with the limiting nut (8) through the concave end fastening screw (11).

8. The robot-mounted anti-loosening mechanism according to claim 1, wherein: the fixing mechanisms (7) are arranged into three groups, and the positions of the fixing mechanisms (7) are annularly arranged.

9. The robot-mounted anti-loosening mechanism according to claim 1, wherein: the limiting nut (8) is of a convex structure.

10. The robot installation anti-loosening mechanism as claimed in claim 1, wherein the specific use method comprises the following steps:

S1, when the bolt is used, firstly, a proper bolt rod (1) and a proper fastening nut (4) are selected according to different fastened parts, the bolt rod (1) penetrates through the parts to be fastened, a washer (3) is sleeved on the bolt rod (1), the fastening nut (4) is screwed downwards along the thread on the bolt rod (1) by using a wrench or a fork wrench, and the first threaded hole (5) is meshed with the thread on the bolt rod (1) until the fastening nut (4) is in a fastened state on the bolt rod (1);

S2, placing a concave-end fastening screw (11) into a fixing hole (10) formed in the limit nut (8) for fastening, placing a fixing pin (701) and a spring (702) into the fixing hole (10), then using a wrench to keep the bolt rod (1) and the fastening nut (4) in a fixed state, and using a hexagonal wrench to lock the limit nut (8) onto the reverse threaded rod (2) for screwing, so that the second threaded hole (9) and the threads on the reverse threaded rod (2) are meshed with each other;

S3, when the limit nut (8) is screwed up in a rotating mode, the fixing pin (701) rotates along with the limit nut (8) in the same direction, the fixing pin slides in a rotating mode from the deep direction to the shallow direction along the arc-shaped groove (6) in the fastening nut (4) under the elastic action of the spring (702) on the fixing pin (701), when the limit nut (8) is tightly attached to the fastening nut (4), one end of the fixing pin (701) is clamped into the arc-shaped groove (6), the fastening nut (4) and the limit nut (8) are locked with each other in the loosening direction of the bolt rod (1), and therefore the fastening nut (4) and the limit nut (8) are locked with each other in the relative loosening direction and cannot be loosened due to vibration;

S4, when the fastener is vibrated, the relative loosening condition of the bolt rod (1) and the fastening nut (4) is that the bolt rod (1) and the fastening nut (4) can relatively reversely rotate, so that a gap can be formed between the bolt rod (1) and the fastening nut (4), and due to the clamping of the fixing pin (701) and the arc-shaped groove (6) under the action of the spring (702), the reverse rotation path of the fastening nut (4) and the bolt rod (1) is locked, namely, the integral reverse locking function of the fastener is realized;

S5, when the bolt needs to be detached, the concave end fastening screw (11) in the fixing hole (10) is loosened forcibly, the concave end fastening screw (11) is separated from the inside of the fixing hole (10) in the limit nut (8), the fixing pin (701) and the spring (702) are taken out from the inside of the fixing hole (10), and therefore the limit nut (8) can be rotated, the limit nut (8) is rotated out from the reverse threaded rod (2), and the fastening nut (4) is rotated out from the bolt rod (1).

Technical Field

The invention relates to the technical field related to robot accessories, in particular to an anti-loosening mechanism for robot installation.

background

the robot is a machine device which can automatically execute work, not only can accept human commands, but also can run a pre-arranged program, and can also perform movements according to principles formulated by artificial intelligence technology, the task of the robot is to assist or replace the work of human work, such as production industry, construction industry or dangerous work, in the robot manufacturing industry, a bolt and a nut are one of necessary practical fasteners, and are mainly used for fastening the connecting part between installation parts in the robot manufacturing process, and play an absolutely important role on the robot, at present, when people fasten the robot parts, in order to prevent the bolt and the nut from loosening and shifting, an open spring washer is generally added on the nut, or the bolt is welded or bonded by strong glue to prevent loosening, however, the traditional bolt is easy to loosen due to the movement of the robot after screwing the robot parts, the loosening and falling phenomena are caused, even safety accidents are caused, meanwhile, welding or gluing is adopted to cause inconvenience for later disassembly, and the disassembled bolt cannot be reused, so that waste is caused.

Disclosure of Invention

the present invention is directed to a robot mounting anti-loosening mechanism to solve the problems of the related art.

In order to achieve the purpose, the invention provides the following technical scheme: a loosening prevention mechanism for robot installation comprises a bolt rod and a fastening nut, wherein a tangent plane is axially formed in the bolt rod, a reverse threaded rod is integrally formed at the top end of the bolt rod, a gasket is sleeved on the bolt rod, a through hole matched with the bolt rod is formed in the gasket, a fastening nut is in threaded connection with one side of the bolt rod corresponding to the gasket, a first threaded hole is formed in the middle of the fastening nut, an arc-shaped groove is formed in the periphery of the fastening nut corresponding to the first threaded hole, a limiting nut is in threaded connection with one side of the outer surface wall of the reverse threaded rod corresponding to the fastening nut, a second threaded hole is formed in the middle of the limiting nut, fixing holes are formed in the periphery of the limiting nut corresponding to the second threaded hole, and a fixing mechanism is inserted in the position, corresponding to the arc-shaped groove, in the fixing hole, and one end of the inside of the fixing hole, which corresponds to the fixing mechanism, is in threaded connection with a concave end fastening screw.

Preferably, the fixing mechanism comprises a fixing pin and a spring, the fixing pin is inserted into the fixing hole, one end of the fixing pin is connected with the arc-shaped groove in a clamped mode, the other end of the fixing pin is fixedly connected with the spring, and the spring is located inside the fixing hole.

preferably, the screw thread direction of the bolt shaft is opposite to the screw thread direction of the reverse screw shaft, and the cross-sectional diameter of the bolt shaft is 4mm larger than that of the reverse screw shaft.

Preferably, the first threaded hole is matched with the bolt rod, and the second threaded hole is matched with the reverse threaded rod.

Preferably, the direction of the arc-shaped groove from shallow to deep is opposite to the thread direction of the reverse threaded rod.

Preferably, the upper end of the inner side wall of the fixing hole is provided with a thread matched with the concave end fastening screw.

Preferably, the fixing pin and the spring are detachably connected with the limiting nut through the concave end fastening screw.

Preferably, the fixing mechanisms are arranged into three groups, and the positions of the three groups of fixing mechanisms are annularly arranged.

Preferably, the limiting nut is of a convex structure.

Preferably, the specific use method is as follows:

S1, when in use, selecting a proper bolt rod and a proper fastening nut according to different fastened parts, enabling the bolt rod to penetrate through the parts to be fastened, sleeving a gasket on the bolt rod, and screwing the fastening nut downwards along the thread on the bolt rod by using a wrench or a fork wrench to enable the first threaded hole and the thread on the bolt rod to be meshed with each other until the fastening nut is in a fastened state on the bolt rod;

S2, placing a concave-end tightening screw into the fixing hole formed in the limit nut for fastening, placing a fixing pin and a spring into the fixing hole, and locking the limit nut to the reverse threaded rod for screwing by using a hexagonal wrench under the condition that the bolt rod and the fastening nut are kept fixed by using the wrench so as to enable the second threaded hole and the thread on the reverse threaded rod to be meshed with each other;

S3, when the limit nut is screwed up in a rotating mode, the fixing pin rotates along with the limit nut in the same direction, and slides in a rotating mode from the deep direction to the shallow direction along the arc-shaped groove in the fastening nut under the elastic action of the spring on the fixing pin, when the limit nut is tightly attached to the fastening nut, one end of the fixing pin is clamped into the arc-shaped groove, the fastening nut and the limit nut are locked with each other in the loosening direction of the bolt rod, and therefore the fastening nut and the limit nut are locked with each other in the loosening direction, and cannot be loosened due to vibration;

S4, when the fastener is vibrated, the relative loosening condition of the bolt rod and the fastening nut is that the bolt rod and the fastening nut can relatively reversely rotate, so that a gap can be formed between the bolt rod and the fastening nut, and the reverse rotation path of the fastening nut and the bolt rod is locked due to the clamping of the fixing pin and the arc-shaped groove under the action of the spring, namely, the integral reverse locking function of the fastener is realized;

S5, when the bolt needs to be disassembled, the concave end fastening screw in the fixed hole is loosened forcibly, so that the concave end fastening screw is separated from the inside of the fixed hole in the limit nut, the fixed pin and the spring are taken out from the inside of the fixed hole, the limit nut can be rotated, the limit nut is screwed out from the reverse threaded rod, and the fastening nut is screwed out from the bolt rod.

Compared with the prior art, the invention has the beneficial effects that:

1. The invention relates to a looseness-preventing mechanism for robot installation, which is used by matching a bolt rod and a reverse threaded rod, wherein the thread direction of the bolt rod is opposite to that of the reverse threaded rod, a fastening nut is in threaded connection with the bolt rod, the reverse threaded rod is in threaded connection with a limiting nut, and locking is formed by reverse-rotation paths of the fastening nut and the limiting nut which are opposite to each other, so that the connection firmness and looseness-preventing performance of the bolt rod and the fastening nut are improved, the integral firmness and vibration and torsion resistance of a fastener are improved, the looseness probability of the bolt rod and the fastening nut is greatly reduced, the applicability is improved, and the use is convenient.

2. According to the invention, the arc-shaped groove, the fixing mechanism, the fixing hole and the concave end fastening screw are matched for use, the locking of the fastening nut and the limiting nut is realized by utilizing the matching of the fixing mechanism and the arc-shaped groove, the looseness prevention between the nut and the bolt is reliably realized, the bolt rod is reused by detachably connecting the fixing hole and the concave end fastening screw, the waste is avoided, the structure is simple, the use is convenient, and the repeated installation and the disassembly are easy.

Drawings

FIG. 1 is an exploded view of the main structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of a female set screw according to the present invention;

FIG. 4 is a schematic view of a stop nut according to the present invention;

fig. 5 is a schematic structural diagram of the fixing mechanism of the present invention.

In the figure: 1. a bolt shank; 2. a reverse threaded rod; 3. a gasket; 4. fastening a nut; 5. a first threaded hole; 6. an arc-shaped groove; 7. a fixing mechanism; 701. a fixing pin; 702. a spring; 8. a limit nut; 9. a second threaded hole; 10. a fixing hole; 11. the concave end is tightly fixed with a screw.

Detailed Description

the embodiment of the application solves the problems in the prior art by providing the anti-loosening mechanism for the installation of the robot.

in order to solve the problem of crosstalk, the technical scheme in the embodiment of the present application has the following general idea:

Through the mutual matching use of the bolt rod and the reverse threaded rod, because the thread direction of the bolt rod is opposite to that of the reverse threaded rod, the fastening nut is in threaded connection with the bolt rod, the reverse threaded rod is in threaded connection with the limiting nut, locking is formed by the reverse-rotation path of the fastening nut and the limiting nut which are opposite, the firmness and the anti-loosening performance of the connection of the bolt rod and the fastening nut are improved, the integral firmness, vibration resistance and torque resistance of the fastening piece are improved, the loosening probability of the bolt rod and the fastening nut is greatly reduced, the applicability is improved, the use is convenient and fast, through the mutual matching use of the arc-shaped groove, the fixing mechanism, the fixing hole and the concave end fastening screw, the locking of the fastening nut and the limiting nut is realized by utilizing the matching of the fixing mechanism and the arc-shaped groove, the anti-loosening between the nut and the bolt is reliably realized, and through the detachable connection of the fixing hole, the bolt rod can be reused, waste is avoided, the structure is simple, the use is convenient, and repeated installation and disassembly are easy.

the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.