Locking type nut for outdoor electric power facility
By designing a locking and auxiliary mechanism for the locking nut, multiple tightening of the nut and bolt is achieved, solving the problem of nut loosening in outdoor power facilities, ensuring long-term stable connection, and improving safety and reliability.
Patent Information
- Application Number
- CN202520620211.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-04-03
AI Technical Summary
The nuts on existing outdoor power facilities cannot be tightened again according to the actual situation after being tightened, which makes it difficult to meet the requirements of connection stability and easily leads to safety hazards due to loosening.
A locking nut was designed, which includes a locking mechanism and an auxiliary mechanism. Through the cooperation of the moving ring and the locking ring, the nut and bolt are tightened multiple times using components such as the control plate and the clamping rod, thereby enhancing the stability of the connection.
This technology enables long-term stable connection of nuts in outdoor environments, reduces the probability of loosening failures, improves the safety and reliability of power facilities, and reduces maintenance difficulty and cost.
Smart Images

Figure CN223767894U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to nut technical field, concretely is a kind of locking nut for outdoor electric power facilities. BACKGROUND
[0002] In the normal operation system of outdoor electric power facilities, as the key part for realizing component connection and fixation, the performance of nut plays a decisive role in the safety and stability of electric power facilities;
[0003] Due to the complexity of outdoor environment, for example, it is affected by wind, rain erosion, temperature change and other factors, ordinary nut is prone to looseness in use. Once the nut loosens, not only the normal operation of electric power facilities will be affected, but also safety accidents may be caused, causing power supply interruption, equipment damage and other serious consequences;
[0004] The existing nut for outdoor electric power facilities mostly adopts the measures of increasing gasket and taking spring washer to prevent loosening. These nuts can only be tightened once during installation, and cannot be tightened again after being tightened according to actual conditions, so it is difficult to meet the requirements of outdoor electric power facilities on the connection stability of nut. Therefore, a locking nut for outdoor electric power facilities is proposed. SUMMARY
[0005] (I) Technical problem solved
[0006] In view of the shortcomings of the prior art, the utility model provides a locking nut for outdoor electric power facilities, which solves the problem that the nut cannot be tightened again after being tightened according to actual conditions, and meets the requirements of outdoor electric power facilities on the connection stability of nut.
[0007] (II) Technical scheme
[0008] To achieve the above purpose, the utility model realizes the following technical scheme: including nut body, the nut body outer wall is provided with locking mechanism and auxiliary mechanism;
[0009] The locking mechanism includes fixed part and locking part;
[0010] The locking part includes moving ring and multiple locking rings, and the fixed part includes fixed frame;
[0011] The connecting ring is fixedly arranged on the outer wall of the nut body, the connecting ring is provided with multiple through grooves on the outer wall, the multiple locking rings are located on the inner side of the connecting ring, the inner side surface of the moving ring is slidably connected with the outer wall of the connecting ring, the outer wall of the moving ring is hingedly provided with multiple control plates, the multiple control plates extend to the inner side of the connecting ring through the multiple through grooves respectively, and the side surface of the multiple control plates close to the multiple locking rings is respectively hingedly connected with the outer wall of the multiple locking rings
[0012] Preferably, the auxiliary mechanism comprises a plurality of extrusion rods, a plurality of through holes are formed through the outer wall of the nut body, the outer walls of the plurality of extrusion rods are respectively connected with the outer walls of the plurality of extrusion rods in a sliding manner, the outer wall of the nut body is provided with an extrusion ring in a sliding manner, and the outer walls of the plurality of extrusion rods are respectively provided with a plurality of arc-shaped blocks in a fixed manner.
[0013] Preferably, the outer wall of the connecting ring is fixedly connected with the outer wall of the fixed frame, the inner side of the moving ring is connected with the outer wall of the fixed frame in a sliding manner, and the outer wall of the moving ring is provided with a first screw rod extending to the inner side of the fixed frame in a threaded manner.
[0014] Preferably, the outer walls of the plurality of locking rings are respectively provided with a plurality of groups of limiting plates in a fixed manner, and the outer walls of the plurality of groups of limiting plates extend to the inner side of the connecting ring through the inner side of the connecting ring in a sliding manner.
[0015] Preferably, the outer wall of the nut body is provided with an extrusion groove, the outer wall of the extrusion ring is provided with a connecting plate in a fixed manner, the outer wall of the connecting plate is provided with a second screw rod extending to the inner wall of the extrusion groove in a threaded manner, the top surface of the connecting plate is provided with a fixed nut in a fixed manner, and the inner side of the fixed nut is connected with the outer wall of the second screw rod in a threaded manner.
[0016] Preferably, the inner sides of the plurality of through holes are respectively provided with a plurality of limiting grooves, the inner walls of the plurality of limiting grooves are respectively provided with a plurality of limiting blocks in a sliding manner, and the side of the plurality of limiting blocks close to the plurality of extrusion rods is respectively connected with the outer walls of the plurality of extrusion rods in a fixed manner.
[0017] (Three) beneficial effects
[0018] The utility model provides a kind of tight locking nut for outdoor electric power facilities.It has the following beneficial effects:
[0019] (One) the tight locking nut for outdoor electric power facilities, the moving ring in locking mechanism moves, by control panel makes multiple locking rings mutually close and extrusion contact with the outer wall of bolt, then first screw rod is tightened to fix moving ring to fix locking ring, the connection fastening between nut body and bolt is enhanced, and after nut body is tightened, it is re-tightened according to actual situation, to meet the requirement of outdoor electric power facilities to the stability of nut connection, ensure long-term stable operation under complex environment outdoors, improve the safety and reliability of outdoor electric power facilities, reduce the probability of failure and accident caused by nut loosening, reduce maintenance difficulty and cost.
[0020] The extrusion ring in the auxiliary mechanism moves to extrude the plurality of arc-shaped blocks, so that the inner side surface of the arc-shaped blocks is in contact with the outer wall of the bolt, and the stability of the nut body and the bolt is further enhanced, the second screw rod is tightened to fix the extrusion ring and the extrusion rod, the stability and reliability during long-term use are ensured, the anti-loosening capability of the nut in the complex outdoor environment is effectively improved, various external forces are better coped with, and reliable protection is provided for the stable operation of the outdoor power facility, and the safety of the facility is improved. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a whole structure schematic view of the utility model;
[0022] Figure 2 It is a structure schematic view of the locking mechanism of the utility model;
[0023] Figure 3 It is a structure schematic view of the locking mechanism inside the utility model;
[0024] Figure 4 It is a structure schematic view of the auxiliary mechanism of the utility model;
[0025] Figure 5 It is a structure schematic view of the auxiliary mechanism inside the utility model;
[0026] Figure 6 It is a structure schematic view of the utility model Figure 5 It is a structure schematic view of the A area of the utility model.
[0027] In the drawing: 1, nut body; 2, locking mechanism; 21, connecting ring; 22, limiting plate; 23, control plate; 24, moving ring; 25, first screw rod; 26, fixed frame; 27, locking ring; 3, auxiliary mechanism; 31, extrusion ring; 32, extrusion rod; 33, arc-shaped block; 34, limiting block; 35, second screw rod; 36, fixed nut; 37, connecting plate. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0029] Please refer to Figures 1-6 The utility model provides a technical scheme: including nut body 1, the outer wall of nut body 1 is provided with locking mechanism 2 and auxiliary mechanism 3;
[0030] The locking mechanism 2 comprises a fixed part and a locking part;
[0031] The locking part comprises a moving ring 24 and a plurality of locking rings 27, and the fixed part comprises a fixed frame 26;
[0032] The outer wall of the nut body 1 is fixedly provided with a connecting ring 21, a plurality of through grooves are formed in the outer wall of the connecting ring 21, the plurality of locking rings 27 are located inside the connecting ring 21, the inner side surface of the moving ring 24 is in sliding connection with the outer wall of the connecting ring 21, a plurality of control plates 23 are hingedly arranged on the outer wall of the moving ring 24, the plurality of control plates 23 extend to the inner side of the connecting ring 21 through the plurality of through grooves respectively, the side surface of the plurality of control plates 23 close to the plurality of locking rings 27 is hingedly connected with the outer wall of the plurality of locking rings 27 respectively, the outer wall of the connecting ring 21 is fixedly connected with the outer wall of the fixed frame 26, the inner side surface of the moving ring 24 is in sliding connection with the outer wall of the fixed frame 26, the first screw rod 25 is threadedly arranged on the outer wall of the moving ring 24 and extends to the inner side of the fixed frame 26, a plurality of sets of limiting plates 22 are fixedly arranged on the outer wall of the plurality of locking rings 27 respectively, and the outer wall of each set of limiting plates 22 extends to the outer side of the connecting ring 21 through the inner side surface of the connecting ring 21 in sliding manner;
[0033] The auxiliary mechanism 3 comprises a plurality of extrusion rods 32, a plurality of through holes are formed in the outer wall of the nut body 1, the outer wall of each extrusion rod 32 is in sliding connection with the outer wall of the extrusion rod 32, the extrusion ring 31 is arranged in sliding manner on the outer wall of the nut body 1, a plurality of arc-shaped blocks 33 are fixedly arranged on the outer wall of each extrusion rod 32, an extrusion groove is formed in the outer wall of the nut body 1, the connecting plate 37 is fixedly arranged on the outer wall of the extrusion ring 31, the second screw rod 35 is arranged in the extrusion groove through the outer wall of the connecting plate 37, the fixed nut 36 is fixedly arranged on the top surface of the connecting plate 37, the inner side surface of the fixed nut 36 is in threaded connection with the outer wall of the second screw rod 35, a plurality of limiting grooves are formed in the inner side surface of each through hole, and a plurality of limiting blocks 34 are arranged in the plurality of limiting grooves in sliding manner respectively, the side surface of each limiting block 34 close to the plurality of extrusion rods 32 is fixedly connected with the outer wall of the extrusion rod 32.
[0034] In use, after the nut body 1 is tightened above the bolt, the moving ring 24 is manually controlled to move, the plurality of locking rings 27 can be moved close to each other through the plurality of control plates 23 during the movement of the moving ring 24, the plurality of locking rings 27 can be in extrusion contact with the outer wall of the bolt when the plurality of locking rings 27 are moved close to each other, the first screw rod 25 is tightened at this time, the moving ring 24 can be fixed after the first screw rod 25 is tightened, the plurality of locking rings 27 can be fixed after the moving ring 24 is fixed, and the nut body 1 can be reinforced after the plurality of locking rings 27 are in extrusion contact with the outer wall of the bolt and are fixed, so that the connection between the nut body 1 and the bolt is more firm;
[0035] In manual control extrusion ring 31 is fixed, extrusion ring 31 can extrude multiple arc-shaped blocks 33 in the moving process, after multiple arc-shaped blocks 33 are extruded, the inner side surface can contact the outer wall of the bolt, after multiple arc-shaped blocks 33 contact the outer wall of the bolt, the stability of the connection between the nut body 1 and the bolt can be further improved, then manually tighten the second screw rod 35, after the second screw rod 35 is tightened, the extrusion ring 31 can be fixed, and then multiple extrusion rods 32 can be fixed.
[0036] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. In this document, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0037] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A tight locking nut for outdoor power installations, comprising a nut body (1), characterized in that: The nut body (1) outer wall is provided with locking mechanism (2) and auxiliary mechanism (3); The locking mechanism (2) comprises a fixed part and a locking part; The locking part comprises a moving ring (24) and a plurality of locking rings (27), and the fixed part comprises a fixed frame (26); The nut body (1) outer wall is fixedly provided with a connecting ring (21), a plurality of through grooves are formed in the outer wall of the connecting ring (21), a plurality of locking rings (27) are located inside the connecting ring (21), the inner side surface of the moving ring (24) is in sliding connection with the outer wall of the connecting ring (21), a plurality of control plates (23) are hingedly arranged on the outer wall of the moving ring (24), a plurality of control plates (23) extend to the inner side of the connecting ring (21) through a plurality of through grooves respectively, and the side surface of each of the plurality of control plates (23) close to the plurality of locking rings (27) is hingedly connected with the outer wall of each of the plurality of locking rings (27).
2. A captive nut for outdoor electrical installations according to claim 1, characterised in that: The auxiliary mechanism (3) comprises a plurality of extrusion rods (32), a plurality of through holes are formed in the outer wall of the nut body (1), the outer wall of each of the plurality of extrusion rods (32) is in sliding connection with the outer wall of each of the plurality of extrusion rods (32), and the outer wall of the nut body (1) is slidably provided with an extrusion ring (31). The outer wall of each of the plurality of extrusion rods (32) is fixedly provided with an arc-shaped block (33).
3. A captive nut for outdoor electrical installations according to claim 1, characterised in that: The outer wall of the connecting ring (21) is fixedly connected with the outer wall of the fixed frame (26), the inner side surface of the moving ring (24) is in sliding connection with the outer wall of the fixed frame (26), and the outer wall of the moving ring (24) is threadedly penetrated by a first screw rod (25) extending to the inner side of the fixed frame (26).
4. A captive nut for outdoor electrical installations according to claim 1, characterized in that: The outer wall of each of the plurality of locking rings (27) is fixedly provided with a plurality of limiting plates (22), and the outer wall of each of the plurality of limiting plates (22) is slidably penetrated through the inner side surface of the connecting ring (21) to extend to the outer side of the connecting ring (21).
5. A captive nut for outdoor electrical installations according to claim 2, characterised in that: The outer wall of the nut body (1) is provided with an extrusion groove, the outer wall of the extrusion ring (31) is fixedly provided with a connecting plate (37), the outer wall of the connecting plate (37) is penetrated by a second screw rod (35) extending to the inner wall of the extrusion groove, the top surface of the connecting plate (37) is fixedly provided with a fixed nut (36), and the inner side surface of the fixed nut (36) is in threaded connection with the outer wall of the second screw rod (35).
6. A captive nut for outdoor electrical installations according to claim 2, characterised in that: A plurality of limiting grooves are formed in the inner side surface of each of the plurality of through holes, a plurality of limiting blocks (34) are slidably arranged in the inner wall of each of the plurality of limiting grooves, and the side surface of each of the plurality of limiting blocks (34) close to the plurality of extrusion rods (32) is fixedly connected with the outer wall of each of the plurality of extrusion rods (32).