Buckling structure for quick insertion and quick installation of cable lug
By designing a wire nose to quick-connect structure that includes a lower housing, an upper housing, a snap-fit block, a flexible snap-fit cover, and a safety mechanism, the problem of insufficient insulation and sealing performance in the existing technology is solved, enabling quick assembly and disassembly and circuit protection, and ensuring the safe and stable operation of the equipment.
Patent Information
- Application Number
- CN202520450374.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-14
AI Technical Summary
The existing wire nose to quick-connect fastening structure has insufficient insulation and sealing performance, making it easy for water to enter and causing deterioration of electrical performance. In particular, it may cause safety hazards such as equipment burnout, especially in high humidity environments.
A structure including a lower housing, an upper housing, a snap-fit block, a flexible snap-fit cover, electrical terminals, a safety mechanism, and a temperature sensor is designed. The flexible snap-fit cover and the snap-fit block cooperate to achieve quick assembly and disassembly. The safety mechanism is equipped with a fuse to protect the circuit, and the temperature sensor monitors the equipment temperature and takes timely measures.
It improves the stability and convenience of the connection, ensures the safe operation of the equipment, prevents equipment damage, simplifies the fuse replacement process, and enhances the reliability and convenience of the device.
Smart Images

Figure CN223956878U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to cable quick connection technical field, especially relate to a line nose turns fast plug and quick installation buckle structure. BACKGROUND
[0002] In the field of modern industry and various electronic equipment, the demand for efficient, convenient and reliable connection mode is increasing day by day, and the line nose turns fast plug quick installation buckle structure emerges as the times require. As an innovative integrated mechanical design, it successfully combines cable connection and component fixation two key functions. The core advantage of this structure is that, with the help of line nose turns fast plug structure, it can realize rapid and convenient plug-in operation between cable and equipment, greatly improving the connection efficiency. At the same time, through the clever design of buckle, hook or boss groove buckle assembly, the overall module can be quickly and accurately positioned and firmly fixed. The whole installation process does not need to rely on traditional screw fastening method, greatly saving installation time and labor cost. Therefore, this structure has been widely used in many fields with high requirements for equipment connection and maintenance convenience, such as power equipment that needs to be frequently disassembled, test instrument that has strict requirements for test line connection flexibility, and modular device that widely adopts modular design concept, etc. It has significantly improved the connection and maintenance efficiency of related equipment and played a positive role in promoting the industry development.
[0003] However, although the existing line nose turns fast plug quick installation buckle structure has obvious advantages in many aspects, it still has some defects and deficiencies that need to be solved in actual use. In actual application process, the structure mainly undertakes the function of auxiliary connection of wire connector. Considering the need to ensure the characteristics of easy disassembly of the connection wire structure during use, it has certain degree of disadvantage in insulation sealing performance compared with the wire body. In specific use, the terminal connector and plug part of the structure are prone to water ingress due to its special structure design and frequent plug-in use. Especially when the equipment is running in a humid and harsh environment, the intrusion of water will further aggravate the deterioration of electrical performance, which will easily cause high temperature in the working process of the structure due to resistance increase, local overheating and other problems. In severe cases, it may even cause equipment burnout, which brings great hidden danger to the safe and stable operation of the equipment. In summary, the problems exposed in the actual application of the existing technology seriously limit the further promotion and application of the line nose turns fast plug quick installation buckle structure, and urgent need for innovative improvement design. UTILITY MODEL CONTENTS
[0004] In view of the problems mentioned in the background art, the utility model aims at providing a line nose turns fast insertion and quick installation buckling structure to solve the problem of lacking insulation protection performance during application of prior art.
[0005] The above technical purpose of the utility model is realized by the following technical scheme:
[0006] A line nose turns fast insertion and quick installation buckling structure, including lower casing and upper casing, both sides both ends of the lower casing are fixedly connected with the clamping block, both sides of the top of the upper casing are equipped with the elastic clamping cover, the upper casing covers the top of the lower casing, both sides of the bottom of the elastic clamping cover and the clamping block are clamped, both ends in the lower casing are fixedly connected with the electric terminal, the bottom of the electric terminal is equipped with the safety mechanism, both ends in the top of the safety mechanism are electrically connected with two electric terminals respectively, one end of the lower casing is fixedly connected with the plug, the other end of the lower casing is fixedly connected with the wire, the inner end of the wire is electrically connected with the electric terminal away from the plug in the lower casing, the plug is electrically connected with the electric terminal away from one end of the wire;
[0007] The safety mechanism includes the shell, the shell is fixedly installed on the bottom of the lower casing, the inside of the shell is fixedly connected with the protection assembly, one side of the shell is fixedly connected with the locking assembly, the bottom of the shell is hinged with the cover plate, and the locking assembly and the cover plate are clamped.
[0008] As a preferred technical scheme, the protection assembly includes a conductive arm, the conductive arm is fixedly connected to both ends in the shell, the top of the conductive arm is electrically connected with the electric terminal, the inner end of the conductive arm is fixedly connected with an insulating frame, both sides in the inside of the insulating frame are equipped with elastic conductive pieces, the inner side of the elastic conductive piece clamps a fuse, and the inner end of the conductive arm is electrically connected with the elastic conductive piece.
[0009] As a preferred technical scheme, the elastic conductive piece includes a connecting block, the connecting block is fixedly connected to the inner end of the conductive arm, a copper plate is fixedly installed on the inner side of the connecting block, conductive springs are fixedly connected to both ends in the inner side of the copper plate, a conductive clamp is fixedly connected to the inner end of the conductive spring, and the fuse is arranged on the inner side of the conductive clamp.
[0010] As a preferred technical scheme, the cross-sectional shape of the conductive clamp is L-shaped, and the outer corners of the shell, the upper casing and the lower casing are all arranged in arc shape.
[0011] As a preferred technical scheme, the locking assembly comprises a clamping groove and a mounting rail, the mounting rail is fixedly installed on one side of the shell, the inside of the mounting rail is fixedly connected with limiting springs on both sides, the end of the limiting spring is fixedly connected with a movable plate, the movable plate is slidingly connected to the inside of the mounting rail, the bottom of the movable plate is fixedly connected with a clamping block, the clamping groove is arranged at one end of the cover plate close to the mounting rail, and the clamping block is inserted into the inside of the clamping groove.
[0012] As a preferred technical scheme, the outside of the movable plate is fixedly installed with a push plate, and the inside cross section shape of the mounting rail and the bottom view shape of the sliding plate are both set as a convex letter shape.
[0013] As a preferred technical scheme, the top of the upper shell is fixedly connected with a temperature sensor, and the top of the temperature sensor is provided with a temperature display screen.
[0014] In summary, the utility model mainly has the following beneficial effects:
[0015] First, the device installs the electricity terminal in the lower shell by the bolt, covers the upper shell to complete the preliminary assembly, and the cooperation of the elastic clamping cover and the clamping block strengthens the connection stability, realizes the quick disassembly and assembly, significantly improves the disassembly and assembly efficiency of the terminal joint, brings great convenience for equipment maintenance, meanwhile, the temperature sensor and the temperature display screen provided by the device can monitor the temperature in the shell in real time, so that the operator can detect high temperature abnormity in time and take corresponding measures, effectively guarantee the safe and stable operation of the equipment, and comprehensively improve the reliability and convenience of the device.
[0016] Second, the device is provided with the safety mechanism, so that when the short circuit occurs, the low-melting-point fuse is melted first, the circuit is cut off in time, the equipment damage and fire accidents are effectively avoided, the replacement process of the fuse is simple and efficient, the operator can press the push plate, the limiting spring and the conductive spring are stretched and contracted in cooperation, the shell can be quickly opened to remove the old fuse, and the replacement of the new fuse can be quickly completed after the reset and fixation, the whole process is smooth, the circuit is reliably protected, and the overall convenience and safety of the device are improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the overall structure schematic view of the utility model;
[0018] Figure 2 It is the bottom view structure schematic view of the utility model;
[0019] Figure 3 It is the overall split state bottom view structure schematic view of the utility model;
[0020] Figure 4 It is the safety mechanism structure schematic view of the utility model;
[0021] Figure 5 is a split state view structure schematic diagram of the utility model.
[0022] Mark: 1, lower shell; 2, upper shell; 3, clamping block; 4, elastic clamping cover; 5, electrical terminal; 6, safety mechanism; 61, shell; 62, protection assembly; 621, conductive arm; 622, insulating frame; 623, elastic conductive piece; 6231, connecting block; 6232, copper plate; 6233, conductive spring; 6234, conductive clamp; 624, fuse; 63, locking assembly; 631, clamping groove; 632, mounting rail; 633, limiting spring; 634, movable plate; 635, clamping block; 64, cover plate; 7, plug; 8, wire; 9, temperature sensor; 10, temperature display screen. DETAILED DESCRIPTION
[0023] Embodiment
[0024] Reference Figures 1 to 5 , the lower shell 1 of the utility model two sides both ends are fixedly connected with clamping block 3, the top of the upper shell 2 both sides are equipped with elastic clamping cover 4, the upper shell 2 covers the top of lower shell 1, the bottom of elastic clamping cover 4 both sides and clamping block 3 clamping, the inside both ends of lower shell 1 are fixedly connected with electrical terminal 5, the bottom of electrical terminal 5 is equipped with safety mechanism 6, the top both ends of safety mechanism 6 are electrically connected with two electrical terminals 5 respectively, the one side of lower shell 1 is fixedly connected with plug 7, the other end of lower shell 1 is fixedly connected with wire 8, the inner end of wire 8 and the electrical terminal 5 of the one end of plug 7 away from lower shell 1 electrically connected, plug 7 and the electrical terminal 5 of the one end of wire 8 away from electrically connected;
[0025] The insurance mechanism 6 comprises a shell 61 fixedly installed at the bottom of the lower shell 1, a protection assembly 62 fixedly connected inside the shell 61, a locking assembly 63 fixedly connected to one side of the shell 61, and a cover plate 64 hingedly connected to the bottom of the shell 61 and clamped with the locking assembly 63. During use, the upper shell 2 is first installed on the lower shell 1, and the elastic clamping covers 4 at the top of the two sides of the upper shell 2 are clamped with the clamping blocks 3 at the two ends of the two sides of the lower shell 1, so that the upper and lower shells 1 are stably connected. The electrical connection terminals 5 at the two ends in the lower shell 1 are connected with the wires 8 and the plugs 7, so that the circuit is connected. When there is current, if the circuit is abnormal, the insurance mechanism 6 plays a role. The shell 61 is fixed at the bottom of the lower shell 1, and the protection assembly 62 inside can cut off the circuit by melting the low-melting-point fuse 624 in the case of short circuit, thereby protecting the entire circuit system. When the fuse 624 needs to be replaced, the locking assembly 63 is operated to separate the cover plate 64 hingedly connected to the bottom of the shell 61. After the cover plate 64 is opened, the fuse 624 in the protection assembly 62 can be replaced. After replacement, the locking assembly 63 and the cover plate 64 are clamped again to reseal the shell 61, thereby ensuring the normal operation of the insurance mechanism 6.
[0026] Reference Figures 3-5 The protection assembly 62 comprises electrically-conductive arms 621 fixedly connected at the two ends in the shell 61, the top of the electrically-conductive arms 621 being electrically connected with the electrical connection terminals 5, and the inner end of the electrically-conductive arms 621 being fixedly connected with an insulating frame 622. The insulating frame 622 has elastic conductive members 623 on the two sides inside, the elastic conductive members 623 clamping fuses 624 on the inner side, the inner end of the electrically-conductive arms 621 being electrically connected with the elastic conductive members 623, and the elastic conductive members 623 comprising connecting blocks 6231 fixedly connected with the inner end of the electrically-conductive arms 621, copper plates 6232 fixedly installed on the inner side of the connecting blocks 6231, electrically-conductive springs 6233 fixedly connected with the two ends of the inner side of the copper plates 6232, and electrically-conductive clamps 6234 fixedly connected with the inner end of the electrically-conductive springs 6233. The fuses 624 are arranged on the inner side of the electrically-conductive clamps 6234, and the cross-sectional shape of the electrically-conductive clamps 6234 is L-shaped. The outer edges of the shell 61, the upper shell 2 and the lower shell 1 are all arc-shaped.
[0027] Reference Figure 2The locking assembly 63 comprises a clamping groove 631 and a mounting rail 632 fixedly installed on one side of the shell 61. The mounting rail 632 is fixedly connected with limiting springs 633 on the inner sides thereof. The limiting springs 633 are fixedly connected with movable plates 634 at the ends thereof. The movable plates 634 are slidingly connected to the inner sides of the mounting rail 632. The movable plates 634 are fixedly connected with clamping blocks 635 at the bottom portions thereof. The clamping groove 631 is formed at one end of the cover plate 64 close to the mounting rail 632. The clamping blocks 635 are inserted into the clamping groove 631. Push plates are fixedly installed on the outer sides of the movable plates 634. The inner cross-sectional shape of the mounting rail 632 and the top view shape of the movable plate 634 are both designed as convex characters. The top portion of the upper shell 2 is fixedly connected with a temperature sensor 9. The temperature sensor 9 is provided with a temperature display screen 10 at the top portion thereof. In the locking assembly 63, the mounting rail 632 is fixed to one side of the shell 61. The limiting springs 633 on the inner sides thereof are connected with the movable plates 634. Under normal conditions, the limiting springs 633 are in a natural stretching state. The movable plates 634 are pushed, so that the clamping blocks 635 at the bottom portions thereof are tightly inserted into the clamping groove 631 formed at one end of the cover plate 64. The cover plate 64 and the shell 61 are stably locked, so as to ensure the safe closure of the internal structure of the fuse mechanism 6. When it is needed to open the cover plate 64 to replace the fuse 624, an operator pushes the push plates on the outer sides of the movable plates 634. The push plates are forced to drive the movable plates 634 to slide in the mounting rail 632. In this process, the movable plates 634 press the limiting springs 633 to make them contract. At the same time, the clamping blocks 635 are pulled out of the clamping groove 631, so that the cover plate 64 is released. At this time, the cover plate 64 can be easily turned over. The special convex character cross-sectional design of the mounting rail 632 and the movable plate 634 not only ensures the stable sliding of the movable plate 634, but also prevents it from being pulled out. At the same time, the temperature sensor 9 at the top portion of the upper shell 2 continuously monitors the temperature during the operation of the device. Real-time temperature data are transmitted to the temperature display screen 10 at the top portion. An operator can directly obtain the temperature information. Once the temperature abnormally rises, corresponding measures can be timely taken to ensure the safe operation of the device.
[0028] Principle and advantages: The device is set by setting the upper shell 2 and the lower shell 1, and the stable and easy to operate structure system is constructed. In the actual installation process, the power terminal 5 is accurately installed into the lower shell 1 by means of bolt, then the upper shell 2 is tightly covered on the top of the lower shell 1, the preliminary assembly is completed, in order to further strengthen the connection stability and realize the quick disassembly function, the cooperation structure of elastic cover 4 and clamping block 3 is set, when the elastic cover 4 is clamped to the outside of the clamping block 3, the two are clamped to each other, effectively assist to fix the upper shell 2 and the lower shell 1, ensure the stability of the overall structure, if the subsequent disassembly and maintenance operation is needed, only need to adjust the elastic cover 4 skillfully to make it produce deformation, the elastic cover 4 can be smoothly separated from the clamping block 3, then the separation of the upper shell 2 and the lower shell 1 is easily realized, the disassembly efficiency of the terminal joint is greatly improved, which provides great convenience for equipment maintenance work, in addition, the device also carefully configures the temperature sensor 9 and the temperature display screen 10, during the equipment operation, the temperature sensor 9 monitors the temperature change of the inside of the upper shell 2 and the lower shell 1 in real time, and the monitoring data is intuitively fed back to the temperature display screen 10, once the abnormal situation of high temperature occurs, the operator can detect in time and take corresponding treatment measures quickly, effectively guarantee the safe and stable operation of the equipment, significantly improve the reliability and convenience of the device in the actual use process;
[0029] The device is equipped with the insurance mechanism 6, plays a key role in circuit safety protection and equipment maintenance convenience, when the wire 8 in the use process unfortunately appears short circuit condition, the temperature of the electric terminal 5, the conductive arm 621, the conductive spring 6233, the fuse 624, the copper plate 6232 and the conductive clamp 6234 and other components will rise rapidly, because the fuse 624 adopts the special material with lower melting point, in the high temperature environment caused by short circuit, the fuse 624 will melt first, thereby cutting off the circuit in time, plays a vital protective role to the entire circuit system, effectively avoids the damage of equipment even fire and other serious accidents caused by short circuit, when the fuse 624 needs to be replaced, the device designs a simple and efficient operation process, the operator only needs to press the pushable plate, the pushable plate moves synchronously under the action of the force, the movable plate 634 is extruded in the moving process Limiting spring 633, make the limiting spring 633 gradually compressed and in the shrinkage state, at the same time, the movement of the movable plate 634 makes the clamping block 635 and the clamping groove 631 separate from each other, successfully release the limiting constraint of the cover plate 64, at this time, the operator can easily turn over the cover plate 64, open the shell 61, and then clearly expose the internal structure, then, push the two clamps to move outward, extruding the conductive spring 6233 in the process of moving outward, make it shrink and deform, at this time, the fuse 624 in the shell 61 can be removed smoothly, replace the new fuse 624, fill it into the shell 61, then release the clamp, the conductive spring 6233 resets rapidly under the action of its own elasticity, drives the clamp to move inward, accurately clamps and fixes the new fuse 624, after replacing the fuse 624, turn over the cover plate 64 and cover it on the bottom of the shell 61, release the push plate, the limiting spring 633 resets, drives the movable plate 634 to move, makes the clamping block 635 reinsert into the clamping groove 631, through the close clamping and limiting of the clamping block 635 and the clamping groove 631, fix the cover plate 64 again, the whole operation process is simple and smooth, not only realizes the rapid and stable replacement of the fuse 624, but also provides reliable protection for the circuit during equipment operation, significantly improves the overall convenience and safety of the device during use.
Claims
1. A wire nose snap and quick installation fastener structure comprising a lower housing (1) and an upper housing (2), characterized in that: The lower shell (1) is fixedly connected with clamping blocks (3) at both ends of both sides, the upper shell (2) is provided with elastic clamping covers (4) at both sides of the top, the upper shell (2) covers the top of the lower shell (1), the elastic clamping covers (4) are clamped with the clamping blocks (3) at both sides of the bottom, the lower shell (1) is fixedly connected with electric terminals (5) at both ends of the inside, the electric terminals (5) are provided with safety mechanisms (6) at the bottom, the safety mechanisms (6) are electrically connected with the two electric terminals (5) at both ends of the top, one side of the lower shell (1) is fixedly connected with a plug (7), the other end of the lower shell (1) is fixedly connected with a wire (8), the inner end of the wire (8) is electrically connected with the electric terminal (5) away from one end of the plug (7) in the lower shell (1), the plug (7) is electrically connected with the electric terminal (5) away from one end of the wire (8); The safety mechanism (6) comprises an outer shell (61), the outer shell (61) is fixedly installed at the bottom of the lower shell (1), the inside of the outer shell (61) is fixedly connected with a protection assembly (62), one side of the outer shell (61) is fixedly connected with a locking assembly (63), the bottom of the outer shell (61) is hingedly connected with a cover plate (64), the locking assembly (63) is clamped with the cover plate (64).
2. A wire-to-nose quick connect and quick mount snap closure structure according to claim 1, wherein: The protection assembly (62) comprises a conductive arm (621), the conductive arm (621) is fixedly connected at both ends in the outer shell (61), the top of the conductive arm (621) is electrically connected with the electric terminal (5), the inner end of the conductive arm (621) is fixedly connected with an insulating frame (622), both sides of the inside of the insulating frame (622) are provided with elastic conductive pieces (623), the inside of the elastic conductive piece (623) clamps a fuse (624), the inner end of the conductive arm (621) is electrically connected with the elastic conductive piece (623).
3. A wire-to-nose quick connect and quick mount clasp structure according to claim 2, wherein: The elastic conductive piece (623) comprises a connecting block (6231), the connecting block (6231) is fixedly connected with the inner end of the conductive arm (621), the inner side of the connecting block (6231) is fixedly installed with a copper plate (6232), both ends of the inner side of the copper plate (6232) are fixedly connected with conductive springs (6233), the inner end of the conductive spring (6233) is fixedly connected with a conductive clamp (6234), the fuse (624) is arranged on the inner side of the conductive clamp (6234).
4. A wire-to-nose quick connect and quick mount clasp structure according to claim 3, wherein: The cross-sectional shape of the conductive clamp (6234) is L-shaped, the outer corners of the outer shell (61), the upper shell (2) and the lower shell (1) are all provided with arc shapes.
5. A wire-to-nose quick connect and mount structure according to claim 1, wherein: The locking assembly (63) comprises a clamping groove (631) and a mounting rail (632), one side of the mounting rail (632) is fixedly installed with the shell (61), the inner sides of the mounting rail (632) are fixedly connected with limiting springs (633), the end of the limiting spring (633) is fixedly connected with a movable plate (634), the movable plate (634) is slidingly connected to the inner side of the mounting rail (632), the bottom of the movable plate (634) is fixedly connected with a clamping block (635), the clamping groove (631) is arranged at one end of the cover plate (64) close to the mounting rail (632), and the clamping block (635) is inserted into the inner side of the clamping groove (631).
6. A wire-to-nose quick connect and quick mount snap together structure according to claim 5, wherein: The outer side of the movable plate (634) is fixedly installed with a push plate, and the inner section shape of the mounting rail (632) and the bottom view shape of the sliding plate are both set as a convex character shape.
7. A wire-to-nose quick connect and quick mount clasp structure according to claim 1, wherein: The top of the upper shell (2) is fixedly connected with a temperature sensor (9), and the top of the temperature sensor (9) is provided with a temperature display screen (10).