Anti-seismic and anti-loosening wire clamp

Abstract

The utility model provides an anti-seismic and anti-loosening wire clamp, which comprises a C-shaped clamp seat, the C-shaped clamp seat comprises a screwing part, a bolt is rotatably arranged in the screwing part, and a clamping assembly is slidably arranged in the screwing part. The clamping assembly comprises a movable rod which is in sliding connection with the screwing part and is in threaded connection with the bolt, one end of the movable rod is fixedly connected with a clamping seat, a contact block is movably arranged on the clamping seat, two linkage blocks are symmetrically hinged to the left side and the right side of the contact block, the two linkage blocks are each hinged to an auxiliary clamping rod, and the auxiliary clamping rods are further hinged to the clamping seat; two anti-seismic clamping blocks are symmetrically arranged at the upper end of the C-shaped clamping seat in a sliding mode, a bidirectional lead screw is further rotatably arranged in the C-shaped clamping seat, and the anti-seismic clamping blocks are in threaded connection with the bidirectional lead screw; a limiting groove is formed in the surface of the movable rod, and a plurality of locking grooves are formed in the inner bottom wall of the limiting groove. The wire clamp provided by the utility model can resist vibration impact from all directions, and prevents displacement or looseness of the wire clamp in an earthquake or strong vibration environment.

Description

Technical Field

[0001] This utility model relates to the field of cable clamps, specifically an anti-vibration and anti-loosening cable clamp. Background Technology

[0002] A wire clamp is a metal connector used to connect conductors or cables. It secures conductors to insulators, poles, or other electrical equipment while ensuring electrical connections between conductors or between conductors and equipment. Wire clamps guarantee reliable electrical connections between conductors in power lines or between conductors and electrical equipment, ensuring smooth current flow. They also withstand the mechanical tension of the conductors, firmly fixing them to supporting structures such as poles and preventing them from loosening or falling off.

[0003] During power line operation, clamps must withstand various environmental factors, such as wind, vibration, and temperature changes. Their stability and reliability directly affect the safe and stable operation of the power system. Traditional clamp designs are prone to loosening when dealing with long-term vibration, temperature changes, and wind. This problem is particularly prominent in areas with harsh vibration environments, such as high altitudes, windy areas, and areas with heavy traffic. Loose clamps can lead to increased contact resistance, overheating, and even line faults, seriously affecting the safe and stable operation of the power system. Furthermore, during earthquakes, power lines are subjected to strong impacts and vibrations. Traditional clamps may not be able to withstand such impacts and are prone to breakage or detachment, leading to large-scale power outages. The seismic performance of clamps is especially important in earthquake-prone areas. Utility Model Content

[0004] To overcome the shortcomings of existing technologies in terms of earthquake resistance and anti-loosening performance, this utility model provides an earthquake-resistant and anti-loosening wire clamp.

[0005] The present invention adopts the following technical solution.

[0006] An anti-vibration and anti-loosening cable clamp includes a C-shaped clamp base, the C-shaped clamp base including a screwing part, a bolt rotatably disposed in the screwing part, and a clamping component slidably disposed in the screwing part;

[0007] The clamping assembly includes a movable rod that is slidably connected to the screwing part and threadedly connected to the bolt. One end of the movable rod is fixedly connected to a clamping seat. A contact block is movably provided on the clamping seat. Two linkage blocks are symmetrically hinged to the left and right sides of the contact block. Each of the two linkage blocks is hinged to a secondary clamping rod. The secondary clamping rod is also hinged to the clamping seat.

[0008] Two anti-seismic clamping blocks are slidably and symmetrically arranged at the upper end of the C-shaped clamp, and a bidirectional screw is rotatably arranged inside the C-shaped clamp, with the anti-seismic clamping blocks threadedly connected to the bidirectional screw;

[0009] A limiting groove is formed on the surface of the movable rod, and a plurality of locking grooves are provided on the inner bottom wall of the limiting groove.

[0010] The C-shaped clamp is provided with an unlocking component, which includes a slidable push block. The lower end of the push block is connected to a first rack. The C-shaped clamp has a receiving cavity, and a transmission gear is rotatably arranged in the receiving cavity. The first rack meshes with the transmission gear. A locking rod is also slidably arranged in the receiving cavity. A second rack is connected to one side of the locking rod, and the second rack meshes with the transmission gear.

[0011] The lower end of the locking rod can be inserted into the locking groove to lock the movable rod.

[0012] Preferably, shock-absorbing rubber is filled between the contact block and the clamping seat.

[0013] Preferably, one end of the bidirectional lead screw is fixedly connected to a rotating component, and the rotating component is provided with a mounting hole with a polygonal cross-section.

[0014] Preferably, a return spring is provided between the locking rod and the receiving cavity, and the return spring always causes the locking rod to have a tendency to move towards the lower end of the receiving cavity.

[0015] Preferably, one end of the locking rod is chamfered.

[0016] Preferably, the C-shaped clamp is provided with a sliding groove for the movement of the anti-seismic clamp block.

[0017] The beneficial effects of this utility model are as follows:

[0018] In this invention, the bidirectional lead screw can simultaneously drive the anti-vibration clamps on both sides to move symmetrically, thereby forming a stable and symmetrical clamping force on the cable or the clamped object. This symmetrical clamping can better resist vibration and impact from all directions, preventing the clamp from shifting or loosening in earthquakes or strong vibration environments. The clamping seat, contact block, linkage block, and auxiliary clamping rod form a multi-hinged linkage, ultimately achieving clamping of the cable or clamped object, aiming to achieve a more uniform pressure distribution. Multiple contact points can disperse the clamping force, avoiding stress concentration, reducing damage to the clamped object, and improving the stability and reliability of the clamping. The push-button design of the unlocking component makes the operation of the clamp relatively simple and convenient, improving the ease of use for operators. When unlocking the clamp, one hand can hold the C-shaped clamp while pressing the push-button, and the other hand can tighten the bolt. The anti-vibration and anti-loosening clamp of this invention is suitable for applications requiring high connection reliability and seismic performance, such as line connections in the power and communication fields. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present utility model;

[0021] Figure 2 This is a cross-sectional view of an embodiment of the present invention;

[0022] Figure 3 This is a cross-sectional view of the unlocking component in one embodiment of the present invention.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. C-type clamp; 11. Tightening part; 111. Bolt; 12. Anti-vibration clamping block; 121. Sliding groove; 13. Two-way lead screw; 131. Rotating part; 132. Mounting hole; 14. Receiving cavity; 141. Pressing block; 1411. First rack; 142. Transmission gear; 143. Locking rod; 1431. Second rack; 144. Return spring; 21. Movable rod; 211. Limiting groove; 212. Locking groove; 22. Clamping seat; 221. Shock-absorbing rubber; 23. Contact block; 24. Linkage block; 25. Secondary clamping rod. Detailed Implementation

[0025] The accompanying drawings are for illustrative purposes only and should not be construed as limiting the scope of this patent. To better illustrate this embodiment, some parts in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product.

[0026] It will be understood by those skilled in the art that certain well-known structures and their descriptions may be omitted in the accompanying drawings. The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0027] As attached Figure 1-3The illustrated anti-seismic and anti-loosening clamp includes a C-shaped clamp base 1. The C-shaped clamp base 1 includes a screwing part 11, within which a bolt 111 is rotatably mounted. A clamping assembly is also slidably mounted within the screwing part 11. The clamping assembly includes a movable rod 21 slidably connected to the screwing part 11 and threadedly connected to the bolt 111. One end of the movable rod 21 is fixedly connected to a clamping seat 22. A contact block 23 is movably mounted on the clamping seat 22. Two linkage blocks 24 are symmetrically hinged to the left and right sides of the contact block 23. Each linkage block 24 is hinged to a secondary clamping rod 25, which is also hinged to the clamping seat 22. Two anti-seismic clamping blocks 12 are slidably and symmetrically mounted on the upper end of the C-shaped clamp base 1. A bidirectional screw 13 is rotatably mounted within the C-shaped clamp base 1. The anti-seismic clamping blocks 12... The movable rod 21 is threadedly connected to the bidirectional lead screw 13. A limiting groove 211 is formed on the surface of the movable rod 21, and a plurality of locking grooves 212 are provided on the inner bottom wall of the limiting groove 211. An unlocking component is provided on the C-shaped clamp 1. The unlocking component includes a slidable push block 141. The lower end of the push block 141 is connected to a first rack 1411. A receiving cavity 14 is formed in the C-shaped clamp 1. A transmission gear 142 is rotatably arranged in the receiving cavity 14. The first rack 1411 meshes with the transmission gear 142. A locking rod 143 is slidably arranged in the receiving cavity 14. A second rack 1431 is connected to one side of the locking rod 143. The second rack 1431 meshes with the transmission gear 142. The lower end of the locking rod 143 can be inserted into the locking groove 212 to lock the movable rod 21.

[0028] The symmetrically arranged seismic clamps 12 can simultaneously and uniformly bear and disperse vibration energy, avoiding the concentration of vibration energy on a certain point or side of the clamp, thereby reducing the risk of local stress concentration and reducing the possibility of clamp structural deformation or damage.

[0029] In some embodiments, a damping rubber 221 is filled between the contact block 23 and the clamping seat 22. The damping rubber 221 is an elastic material with the ability to absorb and dissipate mechanical vibration energy. When the wire clamp is subjected to vibration impact, the damping rubber 221 located between the contact block 23 and the clamping seat 22 undergoes elastic deformation, converting some of the vibration energy into heat energy or other forms of energy for dissipation. The molecular structure inside the damping rubber 221 generates internal friction during deformation, which converts mechanical vibration energy into heat energy, thereby dissipating the vibration energy and achieving a damping effect. The damping rubber 221 typically has a high damping ratio, which can slow down the transmission of vibration impact and reduce the vibration intensity transmitted to other components of the wire clamp and the clamped object.

[0030] In some embodiments, a rotating member 131 is fixedly connected to one end of the bidirectional lead screw 13, and the rotating member 131 is provided with a polygonal mounting hole 132. The mounting hole 132 is specifically optimized for tool engagement. The mounting hole 132 can increase the contact area with the tool, reduce slippage, and thus rotate the bidirectional lead screw 13 more easily and quickly. This is very important for applications that require frequent or rapid adjustment of the anti-vibration clamp 12.

[0031] In some embodiments, a return spring 144 is provided between the locking lever 143 and the receiving cavity 14. The return spring 144 always causes the locking lever 143 to tend to move towards the lower end of the receiving cavity 14. When the operator finishes clamping and releases the push block 141 of the unlocking component, the locking lever 143 will automatically move downward under the drive of the spring force and insert into the locking groove 212, thus achieving automatic locking. The entire locking process is completed automatically without operator intervention, greatly simplifying the operation steps and improving the convenience of operation. The operator can operate the bolt 111 with one hand for clamping, and hold the C-shaped clamp 1 with the other hand while pressing the push block 141. After clamping, the operator can release the hand, and the wire clamp will automatically lock. The whole process is smooth and convenient.

[0032] In some embodiments, one end of the locking lever 143 is provided with a chamfer.

[0033] In some embodiments, the C-shaped clamp 1 is provided with a sliding groove 121 for the movement of the anti-vibration clamp 12.

[0034] The working principle of this utility model is as follows:

[0035] During clamping, the bidirectional lead screw 13 is first rotated according to the cable thickness to drive the anti-vibration clamping blocks 12 to move symmetrically, so that the distance between the two anti-vibration clamping blocks 12 is close to the cable diameter. Then, the cable is placed between the clamping seat 22 and the C-shaped clamping seat 1 and the bolt 111 is rotated. The bolt 111 drives the movable rod 21 to slide in the screwing part 11. The movable rod 21 drives the clamping seat 22 to move closer to the cable. When the contact block 23 is squeezed by the cable and moves away from the C-shaped clamping seat 1, the linkage block 24 and the auxiliary clamping rod 25 are driven by the contact block 23, which will cause the auxiliary clamping rods 25 on both sides to swing closer to the cable, thereby increasing the clamping area of ​​the cable. The clamping force can be dispersed through multiple contact points to avoid stress concentration, reduce damage to the clamped object, and improve the stability and reliability of clamping.

[0036] Ultimately, the cable or the object being clamped is clamped. Once clamped to the predetermined position, the locking lever 143 automatically inserts into the locking groove 212 of the movable lever 21 under the action of the return spring 144, locking the lever and preventing it from loosening. Under the action of the return spring 144, the locking lever 143 always tends to move downwards. The locking lever 143 is pushed by the elastic force of the return spring 144, causing its lower end to insert as far as possible into the locking groove 212, thus locking the lever. The locking function can be achieved without additional operation by the operator, making operation more convenient and reliable. When unlocking is required, the operator simply presses the actuating block 141. The downward movement of the actuating block 141 drives the first rack 1411 to move downwards synchronously. The first rack 1411 meshes with the transmission gear 142, and the linear movement of the first rack 1411 is converted into the rotational movement of the transmission gear 142. The transmission gear 142 meshes with the second rack 1431, and the rotational motion of the transmission gear 142 is converted back into the linear motion of the second rack 1431, but in the opposite direction to the first rack 1411, i.e., the second rack 1431 moves upward. Since the locking rod 143 is connected to the second rack 1431, the upward movement of the second rack 1431 will drive the locking rod 143 to move upward synchronously, causing its lower end to be pulled out of the locking groove 212, releasing the lock on the movable rod 21. At this time, the bolt 111 can be rotated in the opposite direction to loosen the clamping assembly and remove the clamped cable.

[0037] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. An anti-vibration and anti-loosening wire clamp comprising a C-shaped clamp holder, characterized in that, The C-shaped clamping base comprises a screwing part, a bolt is rotatably arranged in the screwing part, and a clamping assembly is slidably arranged in the screwing part; The clamping assembly comprises a movable rod which is slidably connected with the screwing part and threadedly connected with the bolt, one end of the movable rod is fixedly connected with a clamping seat, a contact block is movably arranged on the clamping seat, two linkage blocks are symmetrically hinged on the left and right sides of the contact block, one auxiliary clamping rod is hinged to each of the two linkage blocks, and the auxiliary clamping rod is further hinged to the clamping seat; Two anti-vibration clamping blocks are symmetrically and slidably arranged at the upper end of the C-shaped clamping base, and a bidirectional screw rod is rotatably arranged in the C-shaped clamping base, and the anti-vibration clamping blocks are threadedly connected with the bidirectional screw rod; A limiting groove is formed in the surface of the movable rod, and a plurality of locking grooves are arranged on the inner bottom wall of the limiting groove; An unlocking assembly is arranged on the C-shaped clamping base, the unlocking assembly comprises a slidable pressing block, the lower end of the pressing block is connected with a first gear rack, a receiving cavity is formed in the C-shaped clamping base, a transmission gear is rotatably arranged in the receiving cavity, the first gear rack is engaged with the transmission gear, a locking rod is slidably arranged in the receiving cavity, the side of the locking rod is connected with a second gear rack, and the second gear rack is engaged with the transmission gear. The lower end of the locking rod can be inserted into the locking groove to lock the movable rod.

2. The shockproof and anti-loose wire clamp according to claim 1, characterized in that, Damping rubber is filled between the contact block and the clamping seat.

3. The shock resistant, anti-backout cable clamp of claim 1, wherein: One end of the bidirectional screw rod is fixedly connected with a rotating piece, and the rotating piece is provided with a mounting hole with a polygonal cross section.

4. The shock resistant, anti-backout cable clamp of claim 1, wherein, A return spring is arranged between the locking rod and the receiving cavity, and the return spring always makes the locking rod have a movement tendency of approaching the lower end of the receiving cavity.

5. The shock resistant, anti-backout cable clamp of claim 1, wherein, One end of the locking rod is provided with a chamfer.

6. The shock resistant, anti-backout cable clamp of claim 1, wherein, A sliding groove is formed in the C-shaped clamping base for the movement of the anti-vibration clamping block.

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