CN216812488U

CN216812488U - Anti-drop bolt and nut assembly for electromechanical configuration

Info

Publication number: CN216812488U
Application number: CN202123331017.XU
Authority: CN
Inventors: 王世龙
Original assignee: Guangzhou Zhengdong Machinery Co ltd
Current assignee: Guangzhou Zhengdong Machinery Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-06-24
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses an anti-drop bolt and nut assembly for electromechanical configuration, which mainly comprises a screw head and a screw rod, wherein a circular ring is attached and embedded in the inner wall of the screw head, a dovetail groove is formed in the inner bottom surface of the screw head in an arc shape, a dovetail block is arranged in the dovetail groove in an attached and sliding manner, the top surface of the dovetail block is fixedly connected with the bottom surface of the screw rod, the bottom surface of the screw rod is of a hollow structure, two arc-shaped grooves are symmetrically formed in the outer wall of the screw rod, a T-shaped sliding rod cross rod is connected with the screw rod in a sliding manner, a rack is fixedly connected with the side wall of a T-shaped sliding rod vertical rod, a toothed ring is fixedly sleeved on a T-shaped rotating shaft vertical rod, the circular ring is made of alloy steel material, the T-shaped sliding rod is welded with the rack in a connecting mode, the screw rod and the nut can be effectively prevented from loosening or dropping off when being stably connected, the stability between the screw rod and the nut is improved, the working safety of electromechanical equipment is indirectly improved, and the safety factor is improved, the motor is convenient to disassemble, and the use requirement is met.

Description

Anti-drop bolt and nut assembly for electromechanical configuration

Technical Field

The utility model relates to the technical field of electromechanical configuration, in particular to an anti-drop bolt and nut assembly for electromechanical configuration.

Background

Electromechanical device is the general name of material data such as people's required machinery in production and life, devices and facility usually, the motor needs fix through the bolt earlier when using, then drop into operation, motor working process self can produce vibrations, the bolt that causes the screwing up motor easily for a long time works takes place not hard up or the obscission, lead to motor installation unstable, the discovery that the staff can not be timely, slightly carelessly cause serious loss, motor work safety coefficient is low, if weld the bolt and die the dismantlement of fixing the motor and causing the motor of being not convenient for, the dismantlement process is loaded down with trivial details, can not satisfy the user demand.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides an anti-drop bolt and nut assembly for electromechanical configuration.

The utility model is realized by the following technical scheme:

an anti-drop bolt and nut assembly for electromechanical configuration mainly comprises a screw head and a screw rod, wherein the top surface of the screw head is hollow, the bottom end of the screw rod penetrates into the screw head and is attached to the inner bottom surface of the screw head, the screw rod is rotationally connected with the screw head, a nut matched with the screw rod is attached to the screw rod in a sleeved mode, a circular ring is fixedly sleeved on the screw rod, the circular ring is attached to and embedded in the inner wall of the screw head, a dovetail groove is formed in the arc-shaped bottom surface of the screw head, a dovetail block is slidably arranged in the dovetail groove in a sleeved mode, the top surface of the dovetail block is fixedly connected with the bottom surface of the screw rod, the bottom surface of the screw rod is of a hollow structure, a T-shaped rotating shaft is attached to and rotationally embedded in the inner top surface of the screw rod, the T-shaped rotating shaft vertical rod is fixedly connected with the inner bottom surface of the screw head, a torsion spring is fixedly connected with one end of the torsion spring and the inner wall of the screw rod in a symmetrically attached mode, two T-shaped sliding rods are arranged on the inner side wall of the screw rod, the cross-section of the T-shaped sliding rod cross rod is square, the outer wall of the screw rod is symmetrically provided with two arc-shaped grooves, arc-shaped rods are attached to the inner portions of the arc-shaped grooves and are matched with the arc-shaped grooves, the inner wall of the nut is provided with a circular groove, one end of each arc-shaped rod penetrates into the circular groove, the cross-section of the top surface of each arc-shaped rod is arc-shaped, the T-shaped sliding rod cross rod penetrates out of the screw rod and penetrates into the circular groove and is fixedly connected with the inner arc surface of the arc-shaped rod, the T-shaped sliding rod cross rod is slidably connected with the screw rod, the side wall of the vertical rod of the T-shaped sliding rod is fixedly connected with a rack, a plurality of compression springs are fixedly connected between the two T-shaped sliding rod vertical rods, a toothed ring is fixedly sleeved on the T-shaped rotating shaft vertical rod, and is arranged between the two racks and meshed with the toothed ring.

Preferably, the circular ring is made of alloy steel materials.

Preferably, the T-shaped sliding rod and the rack are connected by welding.

Compared with the prior art, the utility model has the beneficial effects that: this device simple structure, the function is various, and the practicality is strong, can realize through setting up ring, dovetail piece, T shape rotation axis, torque spring, T shape slide bar, arc pole, rack, compression spring and ring gear that screw rod and nut carry out when stabilizing the connection, effectually prevent to take place not hard up or the emergence of obscission between screw rod and the nut, stability between improvement screw rod and the nut, indirect improvement electromechanical device's work safety improves factor of safety, the dismantlement of the motor of being convenient for satisfies the user demand.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a top view of the structure of the present invention;

fig. 3 is a cross-sectional view a-a of the structure of the present invention.

In the figure: the device comprises a screw head 1, a screw rod 2, a nut 3, a circular ring 4, a dovetail block 5, a T-shaped rotating shaft 6, a torsion spring 7, a T-shaped sliding rod 8, an arc-shaped rod 9, a rack 10, a compression spring 11, a gear ring 12, a dovetail groove 1-1, an arc-shaped groove 2-1 and an annular groove 3-1.

Detailed Description

The utility model is described in further detail below with reference to the following detailed description and accompanying drawings:

as shown in fig. 1, fig. 2 and fig. 3, an anti-drop bolt and nut assembly for electromechanical configuration mainly comprises a screw head 1 and a screw rod 2, wherein the top surface of the screw head 1 is hollow, the bottom end of the screw rod 2 penetrates into the screw head 1 and is attached to the inner bottom surface of the screw head, the screw rod 2 is rotatably connected with the screw head 1, and the screw rod 2 is attached to a nut 3 matched with the screw rod in a sleeved mode, and the anti-drop bolt and nut assembly is characterized in that: the screw rod 2 is fixedly sleeved with a circular ring 4, the circular ring 4 is attached and embedded on the inner wall of the screw head 1, the inner bottom surface of the screw head 1 is provided with a dovetail groove 1-1 in an arc shape, a dovetail block 5 is slidably arranged in the dovetail groove 1-1 in an attached manner, the top surface of the dovetail block 5 is fixedly connected with the bottom surface of the screw rod 2, the bottom surface of the screw rod 2 is of a hollow structure, the inner top surface of the screw rod 2 is attached and embedded with a T-shaped rotating shaft 6 in a rotating manner, a vertical rod of the T-shaped rotating shaft 6 is fixedly connected with the inner bottom surface of the screw head 1, the vertical rod of the T-shaped rotating shaft 6 is fixedly sleeved with a torsion spring 7, one end of the torsion spring 7 is fixedly connected with the inner wall of the screw rod 2, the inner side wall of the screw rod 2 is symmetrically attached and provided with two T-shaped sliding rods 8, the cross section of the T-shaped sliding rod 8 is square, the outer wall of the screw rod 2 is symmetrically provided with two arc-shaped grooves 2-1, the arc-shaped grooves 9 are attached and arranged in the arc-shaped grooves 2-1, the utility model discloses a nut, including nut 3, arc pole 9, screw rod 2, T shape slide bar 8, T shape rotation axis 6 montant, the arc pole 9 and arc groove 2-1 phase-match, the 3 inner walls of nut are opened there is the ring channel 3-1, 9 one end of arc pole penetrates in the ring channel 3-1, 9 top surface cross-sections of arc pole are the arc, 8 horizontal poles of T shape slide bar wear out screw rod 2 and penetrate in the arc groove 2-1 and with 9 interior cambered surface fixed connection of arc pole, 8 horizontal poles of T shape slide bar and 2 sliding connection of screw rod, 8 montant lateral wall fixedly connected with racks 10 of T shape slide bar, a plurality of compression spring 11 of fixedly connected with between two 8 montants of T shape slide bar, fixed cover has toothed ring 12 on 6 montants of T shape rotation axis, toothed ring 12 sets up between two racks 10 and meshes rather than.

The circular ring 4 is made of alloy steel materials.

The T-shaped sliding rod 8 and the rack 10 are connected in a welding mode.

The working principle is as follows: when the motor needs to be fixed through a bolt before working, the device is used for replacing the traditional bolt and nut to fix the motor, firstly, a plurality of cushion rings are sleeved on the screw rod 2 to be adjusted according to the wall thickness requirements of different motors, then, the screw head 1 is moved, the screw head 1 drives the circular ring 4 to move, the circular ring 4 drives the screw rod 2 to move and gradually pass through a reserved threaded hole, the screw head 1 stops moving after the top surface of the screw head 1 is attached to the surface of the motor, then, the nut 3 is screwed in from the top end of the screw rod 2, the nut 3 gradually rotates downwards, when the nut 3 moves and is attached to the top surface of the arc rod 9, the nut 3 continues to move downwards to push the arc rod 9 to transversely move into the arc groove 2-1, the arc rod 9 drives the T-shaped slide rod 8 to move, the two T-shaped slide rods 8 move oppositely to squeeze the compression spring 11, the T-shaped slide rod 8 drives the rack 10 to move, the rack 10 moves to drive the toothed ring 12 to rotate, the toothed ring 12 drives the T-shaped rotating shaft 6 to rotate, the T-shaped rotating shaft 6 drives the screw head 1 to rotate, the screw head 1 drives the dovetail groove 1-1 to rotate and gradually attach to the side wall of the dovetail block 5, the screw head 1 stops moving after attaching to the side wall of the dovetail block 5, the arc-shaped rods 9 completely enter the arc-shaped groove 2-1, when the bottom surface of the nut 3 is attached to the surface of equipment, the annular groove 3-1 just corresponds to the arc-shaped rods 9, the deformed torsion spring 7 drives the screw head 1 to rotate, the screw head 1 gradually rotates and attaches to the other side wall of the dovetail block 5, the screw head 1 drives the T-shaped rotating shaft 6 to rotate, the T-shaped rotating shaft 6 drives the toothed ring 12 to rotate, the toothed ring 12 drives the racks 10, the two racks 10 drive the two T-shaped sliding rods 8 to move back to back, the T-shaped sliding rods 8 drive the arc-shaped rods 9 to gradually slide into the annular groove 3-1, as shown in figure 1, at the moment, a part of the arc-shaped rod 9 is arranged in the arc-shaped groove 2-1, the bottom surface of the arc-shaped rod 9 is a plane, the bottom surface of the arc-shaped rod 9 is respectively attached to the surfaces of the screw rod 2 and the nut 3, the limitation on the screw rod 2 and the nut 3 is realized, the nut 3 needs to move upwards if loosening occurs, the arrangement of the arc-shaped rod 9 limits the nut 3, the nut 3 is prevented from moving upwards, the loosening and falling-off phenomenon of the nut 3 is prevented, the same is true for the loosening prevention of the screw rod 2, the screw rod 2 needs to move downwards if loosening is sent by the screw rod 2, the arrangement of the arc-shaped rod 9 limits the screw rod 2, the screw rod 2 is prevented from moving downwards, the loosening and falling-off phenomenon of the screw rod 2 is prevented, when the screw rod 2 is required to be separated from the nut 3, the screw head 1 is firstly screwed to rotate, the screw head 1 drives the T-shaped rotating shaft 6 to rotate, the T-shaped rotating shaft 6 indirectly drives the arc-shaped rod 9 to slide gradually and slide from the annular groove 3-1 and all slide into the arc-1 The spacing of cancellation nut 3, the spiral shell head 1 is rotatory gradually and drives dovetail block 5 rotatory after another lateral wall laminating of dovetail block 5, and dovetail block 5 is rotated and is driven the rotatory separation with nut 3 gradually of screw rod 2, and the setting of a plurality of compression spring 11 plays the supplementary of removing T shape slide bar 8, and the setting of ring 4 plays the supporting limiting displacement to between spiral shell head 1 and the screw rod 2.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an anti-drop bolt and nut subassembly is used in electromechanical configuration mainly includes spiral shell head (1) and screw rod (2), spiral shell head (1) top surface is cavity, screw rod (2) bottom penetrate in spiral shell head (1) and rather than interior bottom surface laminating, screw rod (2) and spiral shell head (1) swivelling joint, laminating cover has assorted nut (3) its characterized in that with it on screw rod (2): the screw rod (2) is fixedly sleeved with a circular ring (4), the circular ring (4) is attached and embedded in the inner wall of the screw head (1), a dovetail groove (1-1) is formed in the inner bottom surface of the screw head (1) in an arc shape, a dovetail block (5) is arranged in the dovetail groove (1-1) in an attaching and sliding manner, the top surface of the dovetail block (5) is fixedly connected with the bottom surface of the screw rod (2), the bottom surface of the screw rod (2) is of a hollow structure, a T-shaped rotating shaft (6) is attached and embedded in the inner top surface of the screw rod (2) in a rotating manner, the vertical rod of the T-shaped rotating shaft (6) is fixedly connected with the inner bottom surface of the screw head (1), a torsion spring (7) is fixedly sleeved on the vertical rod of the T-shaped rotating shaft (6), one end of the torsion spring (7) is fixedly connected with the inner wall of the screw rod (2), two T-shaped sliding rods (8) are symmetrically attached to the inner side wall of the screw rod (2), the cross section of each T-shaped sliding rod (8) is square, the outer wall of the screw rod (2) is symmetrically provided with two arc-shaped grooves (2-1), the arc-shaped grooves (2-1) are internally provided with arc-shaped rods (9) in a laminating manner, the arc-shaped rods (9) are matched with the arc-shaped grooves (2-1), the inner wall of the nut (3) is provided with an annular groove (3-1), one end of each arc-shaped rod (9) penetrates into the annular groove (3-1), the cross section of the top surface of each arc-shaped rod (9) is arc-shaped, a cross rod of the T-shaped sliding rod (8) penetrates out of the screw rod (2) and penetrates into the arc-shaped groove (2-1) and is fixedly connected with the inner arc surface of the arc-shaped rod (9), the cross rod of the T-shaped sliding rod (8) is slidably connected with the screw rod (2), the side wall of the vertical rod of the T-shaped sliding rod (8) is fixedly connected with a rack (10), a plurality of compression springs (11) are fixedly connected between the vertical rods of the two T-shaped sliding rods (8), a toothed ring (12) is fixedly sleeved on the T-shaped rotating shaft (6), the toothed ring (12) is arranged between the two toothed racks (10) and is meshed with the toothed racks.

2. A drop-preventing bolt and nut assembly for electromechanical configuration according to claim 1, wherein: the circular ring (4) is made of alloy steel materials.

3. A drop-preventing bolt and nut assembly for electromechanical configuration according to claim 1, wherein: the T-shaped sliding rod (8) and the rack (10) are connected in a welding mode.