CN216478358U

CN216478358U - Anti-loosening nut

Info

Publication number: CN216478358U
Application number: CN202123061952.9U
Authority: CN
Inventors: 卢益霞; 刘俊; 黄志聪; 肖绍箕; 王敏
Original assignee: Dongguan Nuoyiming Industrial Co ltd
Current assignee: Dongguan Nuoyiming Industrial Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-05-10
Anticipated expiration: 2031-12-07

Abstract

The utility model relates to the field of connecting spare and accessory parts, in particular to an anti-loosening nut, wherein a connecting device is arranged below a nut body; a fixing mechanism is arranged between the nut body and the connecting equipment, the fixing mechanism comprises a pressing plate, positioning side plates and a stabilizing rod, the positioning side plates are arranged on two sides of the nut body, a movable groove is formed in each positioning side plate, and a movable rod is movably arranged in each movable groove; two sides in the movable rod groove are provided with tracks, the tracks are connected with stabilizing sliding blocks in a sliding manner, and the stabilizing rods are fixedly connected between the two groups of stabilizing sliding blocks; the other end of the stabilizer bar is fixedly connected to the bottom end of the inner wall of the movable groove, and a buffer spring is arranged in the stabilizer bar and the movable bar groove; through the design of fixed establishment, can carry out spacing operation to the nut body after screwing up to avoid under equipment long-term vibration, easily produce the displacement in screw rod department, improved the steadiness of junction simultaneously.

Description

Anti-loosening nut

Technical Field

The utility model relates to a connect the accessories field, specifically be an anti-loosening nut.

Background

The nut is internally provided with a threaded hole which is generally in a flat hexagonal column shape, and the nut can be screwed up by matching with a screw rod to be used, so that two parts can be fastened and connected to form an integral effect.

The anti-loosening nut is made of special engineering plastics and attached to the threads, so that the friction force between the internal threads and the external threads can be greatly increased in the locking process of the internal threads and the external threads.

After the conventional anti-loosening nut is assembled, a fixing structure is not arranged, and the conventional anti-loosening nut can move along with the outside of a screw rod under the condition of long-term vibration, so that the joint is unstable; therefore, a loosening prevention nut is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate the not enough of prior art, solved present locking nut that takes off and not be provided with fixed knot structure's problem after the assembly, the utility model provides a locking nut that takes off.

The utility model provides a technical scheme that its technical problem adopted is: in the anti-loosening nut of the utility model, the connecting equipment is arranged below the nut body;

a fixing mechanism is arranged between the nut body and the connecting equipment, the fixing mechanism comprises a pressing plate, positioning side plates and a stabilizing rod, the positioning side plates are arranged on two sides of the nut body, a movable groove is formed in each positioning side plate, and a movable rod is movably arranged in each movable groove; two sides in the movable rod groove are provided with tracks, the tracks are connected with stabilizing sliding blocks in a sliding manner, and the stabilizing rods are fixedly connected between the two groups of stabilizing sliding blocks; the other end rigid coupling of stabilizer bar is in activity inslot wall bottom, stabilizer bar and activity pole inslot are provided with buffer spring, clamp plate fixed mounting is on the movable rod top, and the clamp plate sets up in nut body top, through locating component's design, can further carry out fixed operation to the nut body after screwing up.

Preferably, the two sides of the inner wall of the movable groove are both glued with corner blocks, and the corner blocks are mutually attached to the corners of the movable rod, so that the stability of the joint can be improved.

Preferably, the bottom end of the pressing plate is glued with a plurality of groups of anti-abrasion pads, and the anti-abrasion pads are made of rubber materials, so that the abrasion caused by long-term use is avoided.

Preferably, the anti-abrasion pad and the upper surface of the nut body are in a mutually-fitted state, and the anti-abrasion pad is provided with anti-slip lines, so that the friction force of a contact surface can be increased, and the contact surface of the nut body is not easy to wear.

Preferably, a dismounting mechanism is arranged between the positioning side plate and the connecting device, the dismounting mechanism comprises an assembly part, a positioning block and a moving rod, the assembly part is fixedly installed at the bottom end of the positioning side plate, assembly ports are formed in both sides of the top end of the connecting device, and the assembly part is inserted into the matched assembly ports; the two sides in the assembly part are both provided with built-in grooves, the positioning block is movably arranged in the matched built-in grooves, and one side of the positioning block is inserted into the matched grooves arranged on the connecting equipment; a sleeve block is mounted on the other side of the positioning block, a limiting spring is movably mounted in the sleeve block, and the other side of the limiting spring is mounted on the inner side wall of the built-in groove; a limiting spring is arranged between the sleeve block and the built-in groove and surrounds the insertion rod; the middle part of the side wall of the positioning block is provided with a through slot, and the pressing plate is conveniently and integrally dismounted through the design of a dismounting mechanism.

Preferably, the pole of inserting is the arc design, the inside vertical reservation hole of having seted up of assembly part further improves the steadiness behind the assembly part integral erection.

The utility model discloses an useful part lies in:

1. after the nut body is screwed down, the pressing plate is arranged on the nut body, the pressing plate and the connecting equipment are connected with each other through parts such as the positioning side plate, the nut body can be limited through the pressing plate after being assembled, the pressing plate is driven to move through the whole pressing plate which is pulled upwards, the movable rod can move in the same direction of the movable groove, the buffer spring is stretched, the distance between the pressing plate and the nut body can be adjusted at the moment to adapt to the fixation of nuts of different models, and the screwed nut body can be limited through the design of the fixing mechanism, so that the phenomenon that the nut body is easy to displace at a screw rod under the long-term vibration of the equipment is avoided, and meanwhile, the stability of the connecting part is improved;

2. through pulling the carriage release lever, under the drive of power, can make the carriage release lever carry out the in-process that removes, drive the locating piece and carry out the syntropy motion rather than at built-in inslot portion, when the locating piece moves about at built-in inslot portion, because the cover sleeve is established at the interlude pole outside, cover sleeve fixed mounting is at the lateral wall of locating piece simultaneously, and then at the in-process that the locating piece removed, it moves simultaneously to drive the cover sleeve, make the interlude pole move about in the inside of cover sleeve and interlude groove, to spacing spring extrusion, drive the locating piece break away from and establish the state with inserting of connecting equipment inslot, pull-up immediately and carry out the dismouting with the clamp plate wholly, design through dismouting mechanism, in order to follow-up when nut body dismouting, can use on installing it to different equipment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a perspective view of a first embodiment;

FIG. 2 is a schematic cross-sectional front view illustrating a structure of the first embodiment;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 2 according to an embodiment;

FIG. 4 is an enlarged schematic view of a portion B of FIG. 2 according to an embodiment;

fig. 5 is a schematic partial cross-sectional structure diagram of the second embodiment.

In the figure: 1. a nut body; 2. connecting equipment; 201. an assembly port; 3. pressing a plate; 301. positioning the side plate; 302. a movable groove; 303. a movable rod; 304. a track; 305. stabilizing the slide block; 306. a stabilizer bar; 307. a buffer spring; 308. a corner block; 309. an anti-wear pad; 310. a handle; 4. an assembly member; 401. a built-in groove; 402. positioning blocks; 403. sleeving blocks; 404. inserting the rod; 405. a limiting spring; 406. inserting the slot; 407. a travel bar; 408. and reserving holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, an anti-loosening nut includes a nut body 1; a connecting device 2 is arranged below the nut body 1;

a fixing mechanism is arranged between the nut body 1 and the connecting device 2, the fixing mechanism comprises a pressing plate 3, a positioning side plate 301 and a stabilizing rod 306, the positioning side plate 301 is arranged on two sides of the nut body 1, a movable groove 302 is formed in the positioning side plate 301, and a movable rod 303 is movably arranged in the movable groove 302; two sides in the groove of the movable rod 303 are both provided with a track 304, the track 304 is connected with a stable sliding block 305 in a sliding way, and a stable rod 306 is fixedly connected between the two groups of stable sliding blocks 305; the other end of the stabilizing rod 306 is fixedly connected to the bottom end of the inner wall of the movable groove 302, a buffer spring 307 is arranged in the groove of the stabilizing rod 306 and the movable rod 303, the pressing plate 3 is fixedly arranged at the top end of the movable rod 303, and the pressing plate 3 is arranged above the nut body 1; when the nut is in operation, the nut body 1 is internally provided with the thread matched with the screw rod and can be matched with the screw rod for use, so that the loosening prevention effect is achieved, after the thread and the nut are matched and connected to the connecting device 2, the connecting device 2 vibrates in the using process, and further under long-term use, the nut body 1 can be displaced on the threaded rod to a certain extent, so that the connection part is loosened, therefore, after the nut body 1 is screwed down, the pressing plate 3 is arranged on the nut body 1, the pressing plate 3 and the connecting device 2 are connected with each other through parts such as the positioning side plate 301, and further after the nut body 1 is assembled, the nut body 1 can be limited through the pressing plate 3, the pressing plate 3 is pulled up to be integral, because the pressing plate 3 and the movable rod 303 are designed in an integral structure, wherein the movable rod 303 is movably arranged inside the movable groove 302, under the effect of power, drive clamp plate 3 and carry out the in-process that removes, can drive movable rod 303 at activity groove 302 rather than carrying out the syntropy motion, because stabilize slider 305 sliding connection on track 304, and then make and stabilize slider 305 upwards slide in track 304's inside, it is tensile to buffer spring 307, can adjust the distance between clamp plate 3 and the nut body 1 this moment, in order to be adapted to the fixed to different model nuts, simultaneously because buffer spring 307's coefficient of elasticity is higher, under the produced effort of general vibration, can not make it produce deformation, and then can't influence fixed effect.

The two sides of the inner wall of the movable groove 302 are glued with corner blocks 308, and the corner blocks 308 are mutually attached to the corners of the movable rod 303; during operation, through the design of corner block 308, when movable rod 303 is in the laminating state with corner block 308, because corner block 308 is the rubber design, wherein corner block 308 is provided with anti-skidding line with the contact surface of movable rod 303, and then the stability of multiplicable junction.

A plurality of groups of anti-abrasion pads 309 are glued to the bottom ends of the pressing plates 3, and the anti-abrasion pads 309 are made of rubber; during operation, through installing clamp plate 3 to the top of nut body 1, can reduce the frictional force that produces between clamp plate 3 and the nut body 1, protect it to avoid producing the condition of wearing and tearing under long-term the use.

The anti-abrasion pad 309 and the upper surface of the nut body 1 are in a mutually attached state, and anti-skid grains are arranged on the anti-abrasion pad 309; in operation, because the contact surface of the anti-wear pad 309 and the nut body 1 is provided with anti-slip lines, when the pressing plate 3 fixes the nut body 1, the design of the anti-wear pad 309 can increase the friction force of the contact surface and simultaneously the contact surface of the nut body 1 is not easy to wear.

A dismounting mechanism is arranged between the positioning side plate 301 and the connecting device 2, the dismounting mechanism comprises an assembly part 4, a positioning block 402 and a moving rod 407, the assembly part 4 is fixedly installed at the bottom end of the positioning side plate 301, both sides of the top end of the connecting device 2 are provided with assembly ports 201, and the assembly part 4 is inserted into the matched assembly ports 201; the two sides in the assembly part 4 are both provided with built-in grooves 401, the positioning blocks 402 are movably arranged in the matched built-in grooves 401, and one sides of the positioning blocks 402 are inserted into the matched grooves arranged on the connecting equipment 2; a sleeve block 403 is mounted on the other side of the positioning block 402, a limiting spring 405 is movably mounted in the sleeve block 403, and the other side of the limiting spring 405 is mounted on the inner side wall of the built-in groove 401; a limiting spring 405 is arranged between the sleeve block 403 and the built-in groove 401, and the limiting spring 405 surrounds the insertion rod 404; a through slot 406 is formed in the middle of the side wall of the positioning block 402; when the nut works, the moving rod 407 on one side is pulled towards one end close to the nut body 1, and the moving rod 407 and the positioning block 402 are fixedly installed, so that in the process of moving the moving rod 407 under the driving of force, the positioning block 402 is driven to move in the inner groove 401 in the same direction, when the positioning block 402 moves in the inner groove 401, the sleeve block 403 is sleeved outside the inserting rod 404, and the sleeve block 403 is fixedly installed on the side wall of the positioning block 402, so that in the process of moving the positioning block 402, the sleeve block 403 is driven to move simultaneously, so that the inserting rod 404 moves in the sleeve block 403 and the inserting groove 406, the limiting spring 405 is extruded, and after being deformed, the positioning block 402 is driven to be separated from the inserting state in the groove of the connecting device 2, at the moment, the assembling part 4 is in a movable state, and then the assembling part 4 is pulled upwards integrally, because the formula structural design as an organic whole such as assembly part 4, location curb plate 301 and clamp plate 3, and then under the effect of force, can drive assembly part 4 break away from and assemble mouthful 201 between insert and establish the state, simultaneously carry out the dismouting with clamp plate 3 is whole, from this, opposite side clamp plate 3 is with last, can dismantle it, demolishs through assembly part 4 with both sides to in the time of the follow-up dismouting to nut body 1, can install it to different equipment on and use.

The inserting rod 404 is designed in an arc shape, and a reserved hole 408 is vertically formed in the assembly part 4; during operation, through inserting locating piece 402 and establishing to the inside back of connecting device 2, can fix assembly part 4, through adding the design of reserving hole 408, under long-term the use, can alternate the screw to reserve hole 408 inside back and carry out threaded connection between the connecting device 2, can further improve the steadiness behind the assembly part 4 integral erection.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, a handle 310 is fixedly installed on the upper surface of the pressing plate 3; the during operation, when needs pull clamp plate 3 to the lift, through the design of handle 310, can closely hold after handle 310 is inside with the finger interlude, then stimulate, because formula structural design as an organic whole between handle 310 and the clamp plate 3, and then under the drive of power for handle 310 carries out the in-process that removes, can drive clamp plate 3 and remove from top to bottom wholly, has brought the facility for the operator operation this moment.

The working principle is that the nut body 1 is internally provided with a thread matched with the screw rod and can be used in cooperation with the screw rod to play a role in preventing loosening, after the thread and the nut are matched and connected to the connecting device 2, the connecting device 2 vibrates in the using process, and further the nut body 1 can be displaced on the threaded rod to a certain degree under long-term use, so that the connection part is loosened, therefore, after the nut body 1 is screwed down, the pressing plate 3 is arranged on the nut body 1, the pressing plate 3 and the connecting device 2 are connected with each other through parts such as the positioning side plate 301, and further after the nut body 1 is assembled, the nut body 1 can be limited through the pressing plate 3, the pressing plate 3 is pulled upwards to be integral, and due to the integral structural design between the pressing plate 3 and the movable rod 303, the movable rod 303 is movably arranged inside the movable groove 302, and in the process of driving the pressing plate 3 to move under the action of force, the movable rod 303 can be driven to move in the same direction of the movable groove 302, the stabilizing slide block 305 is connected to the rail 304 in a sliding manner, so that the stabilizing slide block 305 slides upwards inside the rail 304, the buffer spring 307 is stretched, the distance between the pressing plate 3 and the nut body 1 can be adjusted at the moment to be suitable for fixing nuts of different models, and meanwhile, due to the fact that the elastic coefficient of the buffer spring 307 is high, the buffer spring cannot deform under the action force generated by general vibration, and the fixing effect cannot be influenced;

by pulling the moving rod 407 on one side close to one end of the nut body 1, since the moving rod 407 and the positioning block 402 are fixedly installed, and the moving rod 407 is driven by force to move, the positioning block 402 is driven to move in the same direction in the internal groove 401, when the positioning block 402 moves in the internal groove 401, since the sleeve block 403 is sleeved outside the inserting rod 404 and the sleeve block 403 is fixedly installed on the side wall of the positioning block 402, and further in the moving process of the positioning block 402, the sleeve block 403 is driven to move simultaneously, so that the inserting rod 404 moves in the sleeve block 403 and the inserting groove 406, the limiting spring 405 is squeezed, and after being deformed, the positioning block 402 is driven to be separated from the inserting state in the groove of the connecting device 2, at this time, the assembly 4 is in a movable state, and then the assembly 4 is pulled upwards integrally, because formula structural design as an organic whole such as assembly part 4, location curb plate 301 and clamp plate 3, and then under the effect of force, can drive assembly part 4 break away from with the assembly mouth 201 between insert establish the state, with the whole dismouting of clamp plate 3 simultaneously, from this, opposite side clamp plate 3 is with last, can dismantle it, demolishs through the assembly part 4 with both sides to in the time of the follow-up dismouting to nut body 1, can install it to different equipment and use.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides an anti-loosening nut which characterized in that: comprises a nut body (1); a connecting device (2) is arranged below the nut body (1);

a fixing mechanism is arranged between the nut body (1) and the connecting equipment (2), the fixing mechanism comprises a pressing plate (3), positioning side plates (301) and a stabilizing rod (306), the positioning side plates (301) are arranged on two sides of the nut body (1), a movable groove (302) is formed in each positioning side plate (301), and a movable rod (303) is movably arranged in each movable groove (302); tracks (304) are arranged on two sides in the groove of the movable rod (303), the tracks (304) are connected with stabilizing sliding blocks (305) in a sliding manner, and the stabilizing rods (306) are fixedly connected between the two groups of stabilizing sliding blocks (305); the other end rigid coupling of stabilizer bar (306) is in activity groove (302) inner wall bottom, stabilizer bar (306) and activity pole (303) inslot are provided with buffer spring (307), clamp plate (3) fixed mounting is on activity pole (303) top, and clamp plate (3) set up in nut body (1) top.

2. The anti-loosening nut as claimed in claim 1, wherein: the two sides of the inner wall of the movable groove (302) are glued with corner blocks (308), and the corner blocks (308) are mutually attached to the corners of the movable rod (303).

3. The anti-loosening nut as claimed in claim 2, wherein: the bottom end of the pressing plate (3) is glued with a plurality of groups of anti-abrasion pads (309), and the anti-abrasion pads (309) are made of rubber.

4. The anti-loosening nut as claimed in claim 3, wherein: the wear-resistant pad (309) and the upper surface of the nut body (1) are in a mutually-fitted state, and anti-slip grains are arranged on the wear-resistant pad (309).

5. The anti-loosening nut as claimed in claim 4, wherein: a dismounting mechanism is arranged between the positioning side plate (301) and the connecting device (2), the dismounting mechanism comprises an assembly part (4), a positioning block (402) and a moving rod (407), the assembly part (4) is fixedly installed at the bottom end of the positioning side plate (301), both sides of the top end of the connecting device (2) are provided with assembly ports (201), and the assembly part (4) is inserted into the matched assembly ports (201); built-in grooves (401) are formed in two sides of the interior of the assembly part (4), the positioning blocks (402) are movably mounted in the matched built-in grooves (401), and one sides of the positioning blocks (402) are inserted into the matched grooves formed in the connecting equipment (2); a sleeve block (403) is installed on the other side of the positioning block (402), a limiting spring (405) is movably installed in the sleeve block (403), and the other side of the limiting spring (405) is installed on the inner side wall of the built-in groove (401); a limiting spring (405) is arranged between the sleeve block (403) and the built-in groove (401), and the limiting spring (405) is wound on the inserting rod (404); the middle part of the side wall of the positioning block (402) is provided with a through slot (406).

6. The anti-loosening nut as claimed in claim 5, wherein: the inserting rod (404) is designed in an arc shape, and a reserved hole (408) is vertically formed in the assembly part (4).