Anti-loose high-conductivity wire clamp elastic locking structure

Abstract

The utility model discloses a kind of anti-loosening high-conductivity wire clamp elastic locking structures, including wire clamp body, further including the first gland being set on wire clamp body.Through the first gland and second gland are placed in wire clamp body inside, using mounting bolt is in turn penetrated wire clamp body, pressure spring, nickel-titanium alloy sheet and gasket, and the screwing of cooperation installation nut realizes the compression of pressure spring, it can be with the sustained elastic force of pressure spring, provide stable clamping force for the first gland and second gland, effectively make up the clamping force attenuation problem caused by long-term use when only relying on bolt nut fastening, simultaneously, nickel-titanium alloy sheet can generate corresponding deformation with temperature change, further compensate locking force when ambient temperature fluctuates, avoid loosening caused by lead thermal expansion and contraction, significantly improve the anti-loosening of wire clamp, make the clamping force of first gland and second gland to lead more uniform and persistent, strengthen the contact tightness between wire clamp and lead.

Description

Technical Field

[0001] This utility model relates to the field of elastic locking structure technology, and in particular to an elastic locking structure for a highly conductive wire clamp that prevents loosening. Background Technology

[0002] High conductivity wire is a conductive material with low resistance and high current transmission efficiency as its core characteristics. Its core lies in achieving efficient power transmission through material selection, structural optimization, or technological breakthroughs. Typical examples include copper wire, steel-core high conductivity aluminum stranded wire, superconducting wire, and high-conductivity superconducting wire with windings. High conductivity wire clamp is a type of electrical connection hardware that achieves a stable connection of wires and maintains extremely low contact resistance through optimized material selection, structural design, and conductivity enhancement technology.

[0003] In existing technologies, wire clamps rely solely on bolts and nuts for fastening, and their locking principle depends entirely on the friction between the clamp and the wire contact surface. When the wire is subjected to external factors such as wind, vibration, and temperature changes during long-term use, the wire will experience slight expansion or displacement, leading to a small gap between the bolt and nut. Over time, this gap accumulates, causing the clamping force on the wire to gradually decrease, and the original friction force to drop significantly, eventually causing the clamp to loosen. This not only significantly increases the contact resistance between the wire and the clamp, resulting in additional losses during power transmission, but may also cause local overheating due to poor contact, posing a safety hazard of fire or equipment damage. Therefore, it is necessary to improve the wire clamp's elastic locking structure to prevent loosening and solve the above problems. Utility Model Content

[0004] In order to overcome the problem that existing wire clamps rely solely on bolts and nuts for fastening, and depend entirely on the friction between the clamp and the wire for locking, the wire may expand or shift slightly due to wind, vibration, and temperature changes during long-term use. This causes the bolts and nuts to loosen and accumulate, resulting in a decrease in clamping force and friction, and ultimately causing the wire clamp to loosen.

[0005] The technical solution of this utility model is as follows: a high conductivity wire clamp elastic locking structure for preventing loosening, including a wire clamp body, a first pressure cap disposed on the wire clamp body, a second pressure cap disposed on the wire clamp body, a reinforcing component disposed on the wire clamp body, the first pressure cap and the second pressure cap, a mounting bolt disposed inside the wire clamp body, a nickel-titanium alloy sheet disposed on the mounting bolt, a washer disposed on the mounting bolt, a pressure spring disposed between the nickel-titanium alloy sheet and the wire clamp body, and a mounting nut threaded to the outside of the mounting bolt. The second pressure cap is rotatably connected to the inside of the first pressure cap, the mounting bolt is disposed inside the first pressure cap, the mounting bolt is disposed inside the second pressure cap, and the washer is disposed on the top of the nickel-titanium alloy sheet. The pressure spring is compressed by the mounting nut contacting the washer.

[0006] Preferably, the clamp body has a through groove at the corresponding position of the mounting bolt, and the mounting bolt is set inside the through groove of the clamp body.

[0007] Preferably, the first and second glands have circular holes at corresponding positions of the mounting bolts, and the mounting bolts are disposed inside the circular holes of the first and second glands.

[0008] Preferably, a limiting block is fixedly connected to the second pressure cover, and the limiting block is movably connected inside the first pressure cover.

[0009] Preferably, the first cover has a matching limiting groove at the corresponding position of the limiting block, and the limiting block moves inside the limiting groove of the first cover.

[0010] Preferably, the reinforcement component includes a first sliding rod slidably connected inside the clamp body, a first limiting plate fixedly connected to the inner side of the first sliding rod, a first spring fixedly connected between the first limiting plate and the clamp body, a first reinforcement block fixedly connected to the outer side of the first sliding rod, a second sliding rod slidably connected inside the first pressure cover, a second limiting plate fixedly connected to the inner side of the second sliding rod, a second spring fixedly connected between the second limiting plate and the first pressure cover, and a second reinforcement block fixedly connected to the outer side of the second sliding rod. The first limiting plate is slidably connected inside the clamp body, the second sliding rod is slidably connected inside the second pressure cover, the second limiting plate is slidably connected inside the first pressure cover, and the second spring is fixedly connected between the second pressure cover and the second limiting plate. The first spring drives the first reinforcement block to move, and the second spring drives the second reinforcement block to move.

[0011] Preferably, the clamp body has a matching groove at the corresponding position of the first limiting plate, and the first limiting plate slides inside the groove of the clamp body.

[0012] Preferably, two sets of the second sliding rod, the second limiting plate, the second spring, and the second reinforcing block are provided. The two sets of the second sliding rod, the second limiting plate, the second spring, and the second reinforcing block are sequentially distributed on the first pressure cover and the second pressure cover. The first pressure cover and the second pressure cover have matching grooves at corresponding positions of the two sets of second limiting plates. The two sets of second limiting plates slide inside the grooves of the first pressure cover and the second pressure cover.

[0013] The beneficial effects of this utility model are:

[0014] 1. By placing the first and second pressure caps inside the clamp body, and using mounting bolts to sequentially pass through the clamp body, pressure spring, nickel-titanium alloy sheet, and washer, and cooperating with the screwing in of the mounting nut to compress the pressure spring, the continuous elastic force of the pressure spring can provide a stable clamping force for the first and second pressure caps. This effectively compensates for the problem of clamping force attenuation caused by long-term use when relying solely on bolt and nut tightening. At the same time, the nickel-titanium alloy sheet can deform accordingly with temperature changes, further compensating for the locking force when the ambient temperature fluctuates, avoiding loosening caused by thermal expansion and contraction of the wire, significantly improving the clamp's anti-loosening performance, and making the clamping force of the first and second pressure caps on the wire more uniform and durable. This not only enhances the tightness of the contact between the clamp and the wire, which is beneficial for maintaining good conductivity, but also improves the stability of the overall structure, greatly improving the clamp's locking effect and long-term reliability.

[0015] 2. The elastic force of the first spring and the second spring respectively drives the first reinforcing block and the second reinforcing block to assist in clamping the wires on both sides of the wire clamp body, thereby increasing the friction between the wire clamp body and the wires and further preventing the wires from loosening. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of one embodiment of the elastic locking structure of a highly conductive wire clamp that prevents loosening according to this utility model;

[0017] Figure 2 This is a schematic diagram of the overall disassembled structure of this utility model;

[0018] Figure 3 This is a cross-sectional view of the wire clamp body, the first pressure cap, and the second pressure cap of this utility model.

[0019] Figure 4 This is a schematic cross-sectional view of the first pressure cap of this utility model;

[0020] Figure 5 This is a schematic diagram of the reinforcement component structure of this utility model;

[0021] Figure 6 This is a schematic diagram of the second reinforcing block structure of this utility model.

[0022] Explanation of reference numerals in the attached drawings: 1. Cable clamp body; 21. First pressure cap; 22. Second pressure cap; 23. Mounting bolt; 24. Nickel-titanium alloy sheet; 25. Washer; 26. Mounting nut; 27. Compression spring; 28. Limiting block; 31. First sliding rod; 32. First limiting plate; 33. First spring; 34. First reinforcing block; 35. Second sliding rod; 36. Second limiting plate; 37. Second spring; 38. Second reinforcing block. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] Please see Figure 1 - Figure 6 This utility model provides an embodiment of a highly conductive wire clamp elastic locking structure for preventing loosening, comprising a wire clamp body 1, a first pressure cap 21 disposed on the wire clamp body 1, a second pressure cap 22 disposed on the wire clamp body 1, a reinforcing component disposed on the wire clamp body 1, the first pressure cap 21 and the second pressure cap 22, a mounting bolt 23 disposed inside the wire clamp body 1, a nickel-titanium alloy sheet 24 disposed on the mounting bolt 23, a washer 25 disposed on the mounting bolt 23, and a spacer disposed between the nickel-titanium alloy sheet 24 and the wire clamp body 1. The pressure spring 27, the mounting nut 26 threaded to the outside of the mounting bolt 23, the second pressure cap 22 rotatably connected to the inside of the first pressure cap 21, the mounting bolt 23 being located inside the first pressure cap 21, the mounting bolt 23 being located inside the second pressure cap 22, and the washer 25 being located on top of the nickel-titanium alloy sheet 24. The pressure spring 27 is compressed by the mounting nut 26 contacting the washer 25. By placing the first pressure cap 21 and the second pressure cap 22 inside the clamp body 1, and using the mounting bolt 23 to sequentially penetrate the clamp body 1 and the pressure spring 27, the pressure spring 27 is compressed. 7. The nickel-titanium alloy sheet 24 and washer 25, together with the screwing in of the mounting nut 26, compress the pressure spring 27. The continuous elastic force of the pressure spring 27 provides a stable clamping force for the first and second pressure caps 21 and 22, effectively compensating for the clamping force attenuation caused by long-term use when relying solely on bolt and nut tightening. Simultaneously, the nickel-titanium alloy sheet 24 deforms accordingly with temperature changes, further compensating for the locking force during ambient temperature fluctuations, preventing loosening caused by thermal expansion and contraction of the wires, and significantly improving the anti-loosening performance of the clamp. This makes the clamping force of the first pressure cap 21 and the second pressure cap 22 on the wire more uniform and lasting, which not only enhances the tightness of the contact between the wire clamp and the wire, which is conducive to maintaining good conductivity, but also improves the stability of the overall structure, greatly improving the locking effect and long-term reliability of the wire clamp. The reinforcement component, through the elastic force of the first spring 33 and the second spring 37, drives the first reinforcement block 34 and the second reinforcement block 38 to assist in clamping the wires on both sides of the wire clamp body 1, enhancing the friction between the wire clamp body 1 and the wire, and further preventing the wire from loosening.

[0025] Please see Figure 2 - Figure 4In this embodiment, the clamp body 1 has a through groove at the corresponding position of the mounting bolt 23. The mounting bolt 23 is set inside the through groove of the clamp body 1. By opening a through groove on the clamp body 1 corresponding to the mounting bolt 23, a precise installation positioning space can be provided for the mounting bolt 23, ensuring that the mounting bolt 23 is stable in position during assembly and avoiding displacement. This ensures that the pressure spring 27, nickel-titanium alloy sheet 24 and other components are subjected to uniform force. At the same time, the through groove structure also facilitates the insertion of the mounting bolt 23 and disassembly during later maintenance, improving the overall structure. To improve efficiency, the first and second pressure caps 21 and 22 have circular holes at corresponding positions of the mounting bolts 23. The mounting bolts 23 are positioned inside these circular holes. By creating these holes and allowing the mounting bolts 23 to pass through them, a stable connection is established between the first and second pressure caps 21 and the mounting bolts 23. This ensures that when the mounting bolts 23 apply tightening force, the first and second pressure caps 21 and 22 are simultaneously subjected to force, preventing the dispersion of tightening force caused by relative displacement. The overall rigidity of the lifting structure is enhanced by a limiting block 28 fixedly connected to the second pressure cover 22. The limiting block 28 is movably connected inside the first pressure cover 21. By setting the limiting block 28 on the second pressure cover 22 and movably connecting it inside the first pressure cover 21, the rotation range of the second pressure cover 22 relative to the first pressure cover 21 can be effectively limited. This prevents the second pressure cover 22 from disengaging from its mating position with the first pressure cover 21 due to excessive rotation, ensuring that both maintain the correct relative posture during wire clamping and improving the reliability of the wire clamp assembly. The first pressure cover 21 is positioned within the limiting block... A corresponding limiting groove is provided at the corresponding position of 28. The limiting block 28 moves inside the limiting groove of the first pressure cover 21. By setting a limiting groove on the first pressure cover 21 that matches the limiting block 28, the limiting block 28 can move in the groove, which can provide precise guidance for the rotation of the second pressure cover 22, reduce jamming or offset during the rotation process, and make the cooperation between the second pressure cover 22 and the first pressure cover 21 smoother. At the same time, the limiting groove can further constrain the displacement of the limiting block 28, ensuring that the second pressure cover 22 can be precisely fitted with the first pressure cover 21 when locked, and improving the clamping effect.

[0026] Please see Figure 5 - Figure 6In this embodiment, the reinforcement assembly includes a first sliding rod 31 slidably connected inside the clamp body 1, a first limiting plate 32 fixedly connected inside the first sliding rod 31, a first spring 33 fixedly connected between the first limiting plate 32 and the clamp body 1, a first reinforcement block 34 fixedly connected outside the first sliding rod 31, a second sliding rod 35 slidably connected inside the first pressure cover 21, a second limiting plate 36 fixedly connected inside the second sliding rod 35, a second spring 37 fixedly connected between the second limiting plate 36 and the first pressure cover 21, and a second reinforcement block 38 fixedly connected outside the second sliding rod 35. The first limiting plate 32 is slidably connected inside the clamp body 1, and the second sliding rod 35 is slidably connected inside the clamp body 1. The moving rod 35 is slidably connected inside the second pressure cover 22, the second limiting plate 36 is slidably connected inside the first pressure cover 21, the second limiting plate 36 is slidably connected inside the second pressure cover 22, and the second spring 37 is fixedly connected between the second pressure cover 22 and the second limiting plate 36. The first spring 33 drives the first reinforcing block 34 to move, and the second spring 37 drives the second reinforcing block 38 to move. Through the elastic force of the first spring 33 and the second spring 37, the first reinforcing block 34 and the second reinforcing block 38 respectively drive the first reinforcing block 34 and the second reinforcing block 38 to assist in clamping the wires on both sides of the wire clamp body 1, enhance the friction between the wire clamp body 1 and the wires, and further prevent the wires from loosening. The wire clamp body 1 is located inside the first limiting plate 32. Corresponding grooves are provided at corresponding positions. The first limiting plate 32 slides inside the groove of the clamp body 1. By providing a groove on the clamp body 1 that matches the first limiting plate 32, the first limiting plate 32 can slide within the groove, providing a stable track for the movement of the first sliding rod 31 and the first reinforcing block 34. This ensures that the elastic force of the first spring 33 can be evenly transmitted to the first reinforcing block 34, preventing the first reinforcing block 34 from tilting due to uneven force, and ensuring a stable reinforcement effect on the wire. Two sets of the second sliding rod 35, the second limiting plate 36, the second spring 37, and the second reinforcing block 38 are provided. 8 are sequentially distributed on the first pressure cover 21 and the second pressure cover 22, and the first pressure cover 21 and the second pressure cover 22 are provided with matching sliding grooves at corresponding positions of the two sets of second limiting discs 36. The two sets of second limiting discs 36 slide inside the sliding grooves of the first pressure cover 21 and the second pressure cover 22. By setting two sets of symmetrically distributed second sliding rods 35, second limiting discs 36, second springs 37 and second reinforcing blocks 38, and cooperating with the corresponding sliding grooves, the contact parts between the first pressure cover 21 and the second pressure cover 22 and the wire can be reinforced from both sides, so that the clamping force is more evenly distributed, and the wire is prevented from being deformed or damaged due to excessive force on one side. This improves the overall force stability of the wire clamp body 1 and extends its service life.

[0027] In use, first place the wire in the clamping position of the clamp body 1, rotate the second pressure cover 22 to cooperate with the first pressure cover 21 to wrap the wire. At this time, the limiting block 28 on the second pressure cover 22 slides in the limiting groove of the first pressure cover 21 to ensure that the two are accurately aligned and do not deviate excessively. Then, insert the mounting bolt 23 into the through groove of the clamp body 1, and pass through the circular holes of the first pressure cover 21 and the second pressure cover 22 in sequence. Then, put on the pressure spring 27, the nickel-titanium alloy plate 24 and the washer 25, and tighten the mounting nut 26. The mounting nut 26 presses down on the nickel-titanium alloy plate 24 through the washer 25, causing the pressure spring 27 to compress and generate a continuous elastic force. This force is transmitted to the first pressure cover 21 and the second pressure cover 22, making them tightly clamp the wire to form a basic locking force. At the same time, the first spring 33 pushes the first The limiting plate 32 slides along the groove of the wire clamp body, driving the first sliding rod 31 and the first reinforcing block 34 to move closer to the wire from both sides of the wire clamp body 1 for support. The second spring 37 pushes the two sets of second limiting plates 36 to slide along the grooves of the first pressure cover 21 and the second pressure cover 22, driving the corresponding second sliding rod 35 and the second reinforcing block 38 to cooperate with the first reinforcing block 34, further clamping the wire from both sides of the first pressure cover 21 and the second pressure cover 22, increasing the friction between the wire and the clamp, and improving the stability of the locking. In addition, when the ambient temperature changes and the wire expands and contracts due to heat, the nickel-titanium alloy sheet 24 deforms accordingly with the temperature, further compensating for the locking force and avoiding the attenuation of the clamping force due to the expansion and contraction of the wire, thereby providing long-term reliable locking of the wire clamp, preventing loosening and ensuring good conductive contact.

[0028] Through the above steps, by placing the first pressure cap 21 and the second pressure cap 22 inside the clamp body 1, and using the mounting bolt 23 to sequentially pass through the clamp body 1, the pressure spring 27, the nickel-titanium alloy sheet 24, and the washer 25, and then screwing the mounting nut 26 into the compression spring 27, the continuous elastic force of the spring provides a stable clamping force for the first and second pressure caps, compensating for the problem of clamping force attenuation caused by relying solely on bolt and nut tightening. At the same time, the nickel-titanium alloy sheet 24 will deform with temperature to compensate for the locking force, avoiding loosening caused by thermal expansion and contraction of the wire. This not only enhances the tightness of the contact between the clamp and the wire to maintain good conductivity, but also improves the overall structural stability, significantly improving the locking effect and long-term reliability. This solves the problem that existing wire clamps rely solely on bolt and nut tightening, which completely depends on the friction between the clamp and the wire for locking. During long-term use, the wire will be affected by wind, vibration, temperature changes, etc., and the wire will slightly expand or displace, causing the bolt and nut to loosen and accumulate gaps, resulting in attenuation of clamping force, decrease of friction, and ultimately loosening of the clamp.

Claims

1. A loosening-preventing high-conductivity wire clamp elastic locking structure comprising a wire clamp body (1), characterized in that: It also includes a first pressure cap (21) set on the wire clamp body (1), a second pressure cap (22) set on the wire clamp body (1), a reinforcing component set on the wire clamp body (1), the first pressure cap (21) and the second pressure cap (22), a mounting bolt (23) set inside the wire clamp body (1), a nickel-titanium alloy sheet (24) set on the mounting bolt (23), a washer (25) set on the mounting bolt (23), a pressure spring (27) set between the nickel-titanium alloy sheet (24) and the wire clamp body (1), and a mounting nut (26) threaded to the outside of the mounting bolt (23). The second pressure cap (22) is rotatably connected to the inside of the first pressure cap (21). The mounting bolt (23) is set inside the first pressure cap (21) and the mounting bolt (23) is set inside the second pressure cap (22). The washer (25) is set on the top of the nickel-titanium alloy sheet (24). The pressure spring (27) is compressed by the mounting nut (26) contacting the washer (25).

2. The elastic locking structure of the high-conductivity wire clamp according to claim 1, wherein: The clamp body (1) has a through groove at the corresponding position of the mounting bolt (23), and the mounting bolt (23) is set inside the through groove of the clamp body (1).

3. The elastic locking structure of the high-conductivity wire clamp according to claim 1, wherein: The first pressure cap (21) and the second pressure cap (22) have circular holes at the corresponding positions of the mounting bolts (23), and the mounting bolts (23) are located inside the circular holes of the first pressure cap (21) and the second pressure cap (22).

4. The elastic locking structure of the high-conductivity wire clamp according to claim 1, wherein: A limiting block (28) is fixedly connected to the second pressure cover (22), and the limiting block (28) is movably connected inside the first pressure cover (21).

5. The elastic locking structure of the high-conductivity wire clamp according to claim 4, wherein: The first pressure cap (21) has a matching limiting groove at the corresponding position of the limiting block (28), and the limiting block (28) moves inside the limiting groove of the first pressure cap (21).

6. The elastic locking structure of the high-conductivity wire clamp according to claim 1, wherein: The reinforcing assembly includes a first sliding rod (31) slidably connected inside the clamp body (1), a first limiting plate (32) fixedly connected inside the first sliding rod (31), a first spring (33) fixedly connected between the first limiting plate (32) and the clamp body (1), a first reinforcing block (34) fixedly connected outside the first sliding rod (31), a second sliding rod (35) slidably connected inside the first pressure cap (21), a second limiting plate (36) fixedly connected inside the second sliding rod (35), a second spring (37) fixedly connected between the second limiting plate (36) and the first pressure cap (21), and a fixed connecting... The second reinforcing block (38) is connected to the outside of the second sliding rod (35). The first limiting plate (32) is slidably connected to the inside of the clamp body (1). The second sliding rod (35) is slidably connected to the inside of the second pressure cover (22). The second limiting plate (36) is slidably connected to the inside of the first pressure cover (21). The second limiting plate (36) is slidably connected to the inside of the second pressure cover (22). The second spring (37) is fixedly connected between the second pressure cover (22) and the second limiting plate (36). The first reinforcing block (34) is moved by the first spring (33), and the second reinforcing block (38) is moved by the second spring (37).

7. The elastic locking structure of the high-conductivity wire clamp according to claim 6, characterized in that: The clamp body (1) has a matching groove at the corresponding position of the first limiting plate (32), and the first limiting plate (32) slides inside the groove of the clamp body (1).

8. The elastic locking structure of the high-conductivity wire clamp according to claim 6, characterized in that: The second sliding rod (35), the second limiting plate (36), the second spring (37), and the second reinforcing block (38) are all provided in two sets. The two sets of second sliding rods (35), second limiting plates (36), second springs (37), and second reinforcing blocks (38) are distributed on the first cover (21) and the second cover (22) in sequence. The first cover (21) and the second cover (22) have matching sliding grooves at the corresponding positions of the two sets of second limiting plates (36). The two sets of second limiting plates (36) slide inside the sliding grooves of the first cover (21) and the second cover (22).

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