CN216812463U - Anti-falling nut structure - Google Patents

Abstract

The utility model discloses an anti-falling nut structure, which relates to the technical field of nuts and comprises a nut and a driving assembly; nut: the anti-theft nut is a hexagon nut, the sealing components are arranged on two sides of the nut, the positioning component is arranged inside the nut, the anti-falling nut structure can effectively prevent the nut from reversing, the anti-theft effect of the nut is improved, the anti-theft nut has good sealing performance, the generation of corrosion on the inner side of the nut can be effectively delayed, and the practicability is strong; a drive assembly: including circular slot, screw hole, double-screw bolt, hood and word groove, the outside at the nut is seted up to the circular slot, the bottom surface at the circular slot is seted up to the screw hole, double-screw bolt threaded connection is in the threaded hole, the top of double-screw bolt is located to the hood, the surface at the hood is seted up to the word groove, originally prevents reversing of nut can effectively be prevented to the nut structure of falling, promotes the theftproof effect of nut to have better leakproofness, can effectively delay the production of the inboard corrosion of nut, the practicality is stronger.

Description

An anti-fall nut structure

technical field

The utility model relates to the technical field of nuts, in particular to an anti-overturning nut structure.

Background technique

Nuts are nuts, which are parts that tightly connect mechanical equipment. Through the inner threads, nuts and bolts of the same specification can be connected together. According to different materials, they are divided into carbon steel, stainless steel and non-ferrous metals (such as copper) and so on. Large type, some existing nuts are easily reversed by external influences after tightening, resulting in loose connection, which reduces the anti-theft effect, and most of the nuts are open at the joints, lacking a sealing structure, and the inner side of the nut is easy and fast. It is difficult to screw out due to corrosion. For this reason, we propose an anti-overturn nut structure.

Utility model content

The technical problem to be solved by the utility model is to overcome the existing defects and provide an anti-inversion nut structure, which can effectively prevent the inversion of the nut, improve the anti-theft effect of the nut, and has better sealing performance, which can effectively delay the corrosion of the inner side of the nut It has strong practicability and can effectively solve the problems in the background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: an anti-fall nut structure, including a nut and a drive assembly;

Nut: It is a hexagonal nut, sealing components are arranged on both sides of the nut, and a positioning component is arranged inside the nut;

Drive assembly: including a circular groove, a threaded hole, a stud, a top cap and a slot, the circular groove is opened on the outside of the nut, the threaded hole is opened on the bottom surface of the circular groove, and the stud is threadedly connected to the threaded hole Inside, the top cap is arranged on the top end of the stud, and the slot is opened on the surface of the top cap.

Further, the positioning assembly includes a guide slot, a clip plate, a guide rod and a spring, the guide slot is opened on the bottom surface of the threaded hole, the clip plate is slidably connected in the guide slot, and the guide rod is arranged on the bottom surface of the clip plate. The top end of the guide rod is in contact with the bottom surface of the stud, the spring is sleeved on the guide rod at the position between the stud and the bottom surface of the threaded hole, and the positioning assembly can rotate the top cap after the nut is tightened. Drive the stud to feed downward, and then the guide rod can be pressed to drive the clamping plate to slide, so that the clamping plate can be clamped with the threaded groove on the connecting piece, so as to realize the positioning of the nut, avoid the nut from reversing and go backward, and at the same time improve the Anti-theft effect of the nut.

Further, the sealing assembly includes an annular groove, a ring, an annular cover and a rubber ring, the annular groove is symmetrically opened on both sides of the nut, the annular ring corresponds to the annular groove, and the annular cover is arranged on the side of the annular ring. On the end face, the rubber ring is placed between the ring and the ring cover.

Further, the sealing assembly also includes a screw and a screw hole, the screw evenly penetrates the side of the annular cover at the position outside the ring, the screw hole is evenly opened at the position corresponding to the screw on the side of the nut, and the sealing assembly can pass through. Match the annular groove with the ring and screw the screw into the screw hole correspondingly. At the same time, the annular cover is gradually fitted with the outer end face of the nut, and the rubber ring is gradually squeezed to protrude toward the center of the nut, so that the The threads on the inner and outer connectors are closely fitted to seal the joint between the end face of the nut and the connector to avoid liquid infiltration. Limit to prevent backwards.

Further, the screw is arranged on the annular cover corresponding to the outer end face of the nut, and the screw hole is opened on the outer end face of the nut, and the screw and screw hole are only arranged on the outer end face of the nut to squeeze the rubber ring. The inner end face of the rubber ring can be squeezed by fitting with the outer part face during the tightening process.

Further, the rubber ring is an O-ring, and the rubber ring is attached to the annular cover and the inner side of the ring. The cross-section of the O-ring is circular, which is easily squeezed to protrude and deform inward.

Compared with the prior art, the beneficial effect of the present utility model is: the anti-overturning nut structure has the following advantages:

1. After the nut is tightened, the positioning component of the anti-fall nut structure can drive the stud to feed downward by rotating the top cap, and then the guide rod can be pressed to drive the clamping plate to slide, so that the clamping plate and the connecting piece can be moved. The threaded groove is clamped to realize the positioning of the nut, preventing the nut from being reversed and going backwards, and at the same time improving the anti-theft effect of the nut.

2. The sealing component of the anti-fall nut structure can be matched with the annular groove and the ring, and the screw can be screwed into the screw hole correspondingly. The center direction of the nut protrudes, so that the inner side of the rubber ring can be tightly fitted with the threads on the external connector, so as to seal the joint between the end face of the nut and the connector to avoid liquid infiltration. The tight fit of the thread can further limit the position of the nut to prevent backslash.

3. The screws and screw holes of the anti-overturning nut structure are only arranged on the outer end face of the nut to realize the extrusion of the rubber ring. extrusion.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the utility model longitudinal section structure schematic diagram;

3 is a schematic diagram of the cross-sectional structure of the utility model.

In the picture: 1 nut, 2 drive components, 21 round grooves, 22 threaded holes, 23 studs, 24 top caps, 25 straight grooves, 3 positioning components, 31 guide grooves, 32 card plates, 33 guide rods, 34 springs, 4 Seal assembly, 41 annular groove, 42 annular ring, 43 annular cover, 44 rubber ring, 45 screw, 46 screw hole.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, this embodiment provides a technical solution: an anti-fall nut structure, including a nut 1 and a drive assembly 2;

Nut 1: It is a hexagonal nut. Sealing components 4 are provided on both sides of nut 1. Sealing component 4 includes annular groove 41, annular ring 42, annular cover 43 and rubber ring 44. The annular groove 31 is symmetrically opened on both sides of nut 1. The annular ring 42 corresponds to the annular groove 41, the annular cover 43 is arranged on the end face of the annular ring 42, the rubber ring 44 is placed between the annular ring 42 and the annular cover 43, the sealing assembly 4 also includes screws 45 and screw holes 46, and the screws 45 are uniform The side of the through-ring cover 43 is located at the outer side of the ring 42, the screw holes 46 are evenly opened on the side of the nut 1 at positions corresponding to the screws 45, and the screws 45 are arranged on the ring cover 43 corresponding to the outer end surface of the nut 1, and the screw holes 46 is opened on the outer end face of the nut 1, the rubber ring 44 is an O-ring, and the rubber ring 44 is fitted with the inner surface of the annular cover 43 and the annular ring 42, the interior of the nut 1 is provided with a positioning assembly 3, and the positioning assembly 3 It includes a guide groove 31, a clamping plate 32, a guide rod 33 and a spring 34. The guide groove 31 is opened on the bottom surface of the threaded hole 22. The top of the guide rod 33 is in contact with the bottom surface of the stud 23, and the spring 34 is sleeved on the guide rod 33 at a position between the stud 23 and the bottom surface of the threaded hole 22;

Drive assembly 2: including a circular groove 21, a threaded hole 22, a stud 23, a top cap 24 and a slot 25, the circular groove 21 is opened on the outside of the nut 1, the threaded hole 22 is opened on the bottom surface of the circular groove 21, the stud 23 The screw is connected in the threaded hole 22 , the top cap 24 is provided on the top end of the stud 23 , and the slot 25 is opened on the surface of the top cap 24 .

By rotating the top cap 24 to drive the stud 23 to feed downward, the guide rod 33 can be pressed to drive the clamping plate 32 to slide, so that the clamping plate 32 can be clamped with the threaded groove on the connector to realize the positioning of the nut 1 .

The working principle of the anti-fall nut structure provided by the present invention is as follows: first, after the nut 1 is tightened, the stud 23 is driven downward by rotating the top cap 24, and then the guide rod 33 can be pressed to drive the clamping plate 32 By sliding, the clamping plate 32 can be clamped with the threaded groove on the connector to realize the positioning of the nut 1. Secondly, the annular groove 41 is matched with the annular ring 42, and the screw 45 is screwed into the screw hole 46 correspondingly. At the same time, the annular cover 43 is gradually attached to the outer end surface of the nut 1, and the rubber ring 44 is gradually squeezed to protrude and deform toward the center of the nut 1, so that the inner side of the rubber ring 44 can be tightly fitted with the threads on the outer connector. , to achieve the sealing of the joint between the end face of the nut 1 and the connector to avoid liquid infiltration. At the same time, the rubber ring 44 is tightly fitted with the threads on the external connector to further limit the position of the nut 1. The inner end face of the nut 1 During the tightening process, the rubber ring 44 can be squeezed and deformed by fitting with the surface of the external parts.

The above are only the embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and accompanying drawings of the present invention, or directly or indirectly applied to other Relevant technical fields are similarly included in the scope of patent protection of the present invention.

Claims (6)

1. An anti-overturning nut structure, characterized in that it comprises a nut (1) and a drive assembly (2); Nut (1): a hexagonal nut, sealing components (4) are provided on both sides of the nut (1), and a positioning component (3) is provided inside the nut (1); Drive assembly (2): including a circular groove (21), a threaded hole (22), a stud (23), a top cap (24) and a slot (25), the circular groove (21) being opened in the nut (1) ), the threaded hole (22) is opened on the bottom surface of the circular groove (21), the stud (23) is threaded in the threaded hole (22), and the top cap (24) is provided on the stud (24). 23), the slot (25) is opened on the surface of the top cap (24). 2 . The anti-fall nut structure according to claim 1 , wherein the positioning assembly ( 3 ) comprises a guide groove ( 31 ), a clamping plate ( 32 ), a guide rod ( 33 ) and a spring ( 34 ) , the guide groove (31) is opened on the bottom surface of the threaded hole (22), the clamping plate (32) is slidably connected in the guiding groove (31), and the guide rod (33) is arranged on the bottom surface of the clamping plate (32). and the top of the guide rod (33) is in contact with the bottom surface of the stud (23), the spring (34) is sleeved on the guide rod (33) and located on the bottom surface of the stud (23) and the threaded hole (22). position between. 3. An anti-backup nut structure according to claim 1, characterized in that: the sealing assembly (4) comprises an annular groove (41), a circular ring (42), an annular cover (43) and a rubber ring (44) ), the annular groove (41) is symmetrically opened on both sides of the nut (1), the annular ring (42) corresponds to the annular groove (41), and the annular cover (43) is arranged on the On the end face, the rubber ring (44) is placed between the annular ring (42) and the annular cover (43). 4. An anti-fall nut structure according to claim 3, characterized in that: the sealing assembly (4) further comprises a screw (45) and a screw hole (46), and the screw (45) evenly penetrates the annular cover The side surface of (43) is located at the outer side of the ring (42), and the screw holes (46) are evenly opened at the positions corresponding to the side surface of the nut (1) and the screw (45). 5. An anti-overturning nut structure according to claim 4, characterized in that: the screw (45) is provided on the annular cover (43) corresponding to the outer end face of the nut (1), and the screw hole (46) Open on the outer end face of the nut (1). 6 . The anti-overturning nut structure according to claim 3 , wherein the rubber ring ( 44 ) is an O-ring, and the rubber ring ( 44 ) is connected with the annular cover ( 43 ) and the ring ( 42 ). 7 . fit inside.

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