A strain clamp waterproof cover

Abstract

The application discloses a strain clamp waterproof cover, which comprises a strain clamp device, a suspension type connecting device and a rotary protection device, the strain clamp device is arranged in the rotary protection device, one end of the suspension type connecting device is connected with the top of the strain clamp device, the suspension type connecting device is connected with the rotary protection device, the rotary protection device is used for protecting the strain clamp device, and the suspension type connecting device is used for connecting the strain clamp device. The strain clamp device is installed by being buckled between the first protection shell and the second protection shell through the buckle mechanism, the operation is simple and fast, the waterproof effect of the strain clamp device is maximized through the combination of the first protection shell, the second protection shell and the buckle mechanism, and the power supply reliability is improved, the water drops can be scattered around when the rain falls, and the hydrophobic waterproof effect is achieved.

Description

Technical Field

[0001] This invention relates to the field of waterproof covers, and in particular to a tensile wire clamp waterproof cover. Background Technology

[0002] There are currently three types of tension clamps for insulated conductors:

[0003] One method is to use a special NEJ insulated conductor tension clamp. This type of clamp can be used without stripping the insulation. However, since it is not stripped, its gripping force can only be used on short spans or non-insulated steel-cored aluminum conductors, and it is not very useful in conventional power distribution projects.

[0004] Another option is to use NLL-specific insulated wire wedge clamps, which come with their own separate insulated and waterproof covers. However, the gripping force of these clamps is still not suitable for insulated steel-core aluminum wires, as there is a risk of the wires coming off during installation, tightening, and operation.

[0005] The third type uses NLD bolt tension clamps as insulated conductors. To maintain their waterproof properties, additional insulating tape is required. The insulated conductor is horizontally stretched. However, this type of tension clamp is susceptible to dust and rain. Over time, the conductor core elongates, while the outer insulation shrinks and ages, exposing the conductor core. Rainwater seeps in, and under the influence of electromagnetic fields, "water treeing" occurs, leading to corrosion and overheating of the internal steel core, ultimately causing cable breakdown. Cable damage is only a matter of time, significantly increasing power supply unreliability. Water ingress into insulated conductors has become a common power line fault, and prevention is the best solution. Currently, research on waterproofing the insulated conductor interface at tension clamps is lacking. If water enters the insulated conductor, the only solutions are intermediate splicing or complete replacement, which is very difficult and greatly increases the workload for maintenance personnel. Currently, there is no product on the market that can simultaneously and effectively solve both the waterproofing and insulation issues at tension clamps and the clamp's gripping strength. Summary of the Invention

[0006] The purpose of this invention is to provide a waterproof cover for tension clamps to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a waterproof cover for a tension clamp, comprising a tension clamp device, a suspension connecting device, and a rotating protective device. The tension clamp device is disposed inside the rotating protective device. One end of the suspension connecting device is connected to the top of the tension clamp device. The suspension connecting device and the rotating protective device are interlocked. The rotating protective device is used to protect the tension clamp device, and the suspension connecting device is used to connect the tension clamp device.

[0008] Preferably, a first sealing ring is embedded on one side of the rotary protective device, and a second sealing ring is embedded on the other side. A vent hole is provided at the bottom of the rotary protective device. The rotary protective device includes a first protective shell, a second protective shell, a snap-fit ​​mechanism, and a rotating mechanism. The first and second protective shells are symmetrically arranged. The tension clamp device is located inside the first and second protective shells. Multiple snap-fit ​​mechanisms are connected to the sides of the first protective shell and snap-fit ​​with the second protective shell. The second protective shell is connected to the top of the first and second protective shells. The first protective shell is rotatably connected to the second protective shell via the rotating mechanism. Sealing flanges are provided on the sides of both the first and second protective shells. Two sealing flanges are staggered and integrally formed with the first and second protective shells respectively. A sealing strip is provided on the inner side of each sealing flange, and the sealing strip is bonded to the inner wall of the sealing flange.

[0009] Preferably, the latching mechanism includes a connecting part and a latching part, the connecting part is fixedly connected to the first protective shell, the connecting part and the latching part are integrally formed, and the latching part is engaged with the sealing flange.

[0010] Preferably, the rotating mechanism includes a first connecting plate, a second connecting plate, and a limiting shaft. The first connecting plate is fixedly connected to the top of the first protective shell, and the second connecting plate is fixedly connected to the bottom of the first protective shell. The first connecting plate and the second connecting plate are positioned opposite each other. The limiting shaft is fixedly installed on the top of the first connecting plate and is rotatably connected to the second connecting plate.

[0011] Preferably, the tension clamp device includes a guide mechanism and a clamping mechanism. The guide mechanism is disposed inside the rotary protective device and is adapted to the shape of the rotary protective device. Multiple clamping mechanisms are mounted on the guide mechanism.

[0012] Preferably, the guiding mechanism includes a guide frame, a limiting block, and a limiting pin. The multiple limiting blocks are respectively fixedly connected to both sides of the guide frame. The limiting blocks cooperate with the clamping mechanism, and the limiting pin is inserted and installed on the top of the guide frame.

[0013] Preferably, the clamping mechanism includes a U-bolt, a positioning nut, and a clamping block. The two ends of the U-bolt are respectively engaged with two limiting blocks. The positioning nut is threaded onto the end of the U-bolt. The clamping block is fixedly installed on the inner side of the U-bolt.

[0014] Preferably, the suspended connecting device includes a protective mechanism and a connecting mechanism, one end of the connecting mechanism is connected to the protective mechanism, the other end of the connecting mechanism is connected to the guiding mechanism, and the connecting mechanism is interlocked with the rotating protective device.

[0015] Preferably, the protective mechanism includes a protective cover, reinforcing rings, inserting rods, and suspension rings. Multiple reinforcing rings are connected to one side of the protective cover and are arranged concentrically. One end of the inserting rod is fixedly connected to the middle of one side of the protective cover, and the suspension ring is fixedly connected to the middle of the other side of the protective cover.

[0016] Preferably, the connecting mechanism includes a connecting trunnion and a limiting frame. The connecting trunnion is inserted into the rotary protective device. One end of the connecting trunnion is inserted into the limiting pin, and the other end of the connecting trunnion is fixedly connected to the limiting frame. The limiting frame and the other end of the insert rod cooperate with each other.

[0017] The technical effects and advantages of this invention are as follows:

[0018] (1) This invention utilizes a combination of a suspension connection device and a rotating protective device. When installing the product, the operator first covers the tension clamp device and cable interface with the first protective shell facing upward. After the first protective shell is correctly positioned, the second protective shell is attached to it. The installation is completed by snapping the first protective shell and the second protective shell together through the snapping mechanism. The operation is simple and quick. Through the design of the first and second protective shells and the combination of the snapping mechanism, the waterproof effect of the tension clamp device is maximized, which improves the reliability of power supply. The overall streamlined hydrophobic shape of the rotating protective device can disperse water droplets in all directions when rain falls, achieving the function of hydrophobic and waterproof. At the same time, the overall smooth appearance can prevent dust accumulation.

[0019] (2) The present invention utilizes the combination of connecting part and snap-fit ​​part. The connecting part facilitates the connection with the first protective shell. The connecting part is made of elastic material. The snap-fit ​​part is used to snap the sealing flange connected to the second protective shell, which facilitates the positioning of the relative position between the first protective shell and the second protective shell, making the relative position between the first protective shell and the second protective shell more stable.

[0020] (3) The present invention utilizes the arrangement of the first connecting plate and the second connecting plate in cooperation. The first connecting plate is rotatably connected to the second connecting plate through the limiting shaft, which facilitates the limiting of the fixed axis rotation between the first connecting plate and the second connecting plate, making the fixed axis rotation between the first protective shell and the second protective shell more stable. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0022] Figure 2 This is one of the schematic diagrams of the internal structure of the present invention.

[0023] Figure 3This is the second schematic diagram of the internal structure of the present invention.

[0024] Figure 4 This is a three-dimensional structural diagram of the tension clamp device of the present invention.

[0025] Figure 5 This is a schematic diagram of the front structure of the tension clamp device of the present invention.

[0026] Figure 6 For the present invention Figure 5 Schematic diagram of the cross-sectional structure at point DD.

[0027] Figure 7 For the present invention Figure 6 Enlarged structural diagram at point B.

[0028] Figure 8 For the present invention Figure 6 Enlarged structural diagram at point C.

[0029] Figure 9 For the present invention Figure 1 Enlarged structural diagram at point A in the middle.

[0030] Figure 10 This is a schematic diagram of the protective mechanism of the present invention.

[0031] Figure 11 This is a schematic diagram of the connection mechanism of the present invention.

[0032] Figure 12 This is a schematic diagram of the guiding mechanism of the present invention.

[0033] Figure 13 This is a schematic diagram of the clamping mechanism of the present invention.

[0034] Figure 14 This is a schematic diagram of the structure of the first protective shell of the present invention.

[0035] In the diagram: 1. Tension clamp device; 11. Guide mechanism; 111. Guide frame; 112. Limiting block; 113. Limiting pin; 12. Clamping mechanism; 121. U-bolt; 122. Positioning nut; 123. Pressing block; 2. Suspension connection device; 21. Protective mechanism; 211. Protective cover; 212. Reinforcing ring; 213. Inserting rod; 214. Suspension ring; 22. Connecting mechanism; 221. Connecting lug. 1. Shaft; 222. Limiting bracket; 3. Rotary protective device; 301. First sealing ring; 302. Second sealing ring; 303. Vent hole; 31. First protective shell; 311. Sealing flange; 312. Sealing strip; 32. Second protective shell; 33. Buckling mechanism; 331. Connecting part; 332. Buckling part; 34. Rotating mechanism; 341. First connecting plate; 342. Second connecting plate; 343. Limiting shaft. Detailed Implementation

[0036] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0037] This invention provides, for example Figure 1-14 The illustrated tension clamp waterproof cover includes a tension clamp device 1, a suspension connecting device 2, and a rotating protective device 3. The tension clamp device 1 is disposed inside the rotating protective device 3. One end of the suspension connecting device 2 is connected to the top of the tension clamp device 1. The suspension connecting device 2 and the rotating protective device 3 are interlocked. The rotating protective device 3 is used to protect the tension clamp device 1, and the suspension connecting device 2 is used to connect the tension clamp device 1.

[0038] A first sealing ring 301 is embedded on one side of the rotary protective device 3, and a second sealing ring 302 is embedded on the other side. A vent 303 is provided at the bottom of the rotary protective device 3. Both the first sealing ring 301 and the second sealing ring 302 consist of two sealing plates forming a ring structure for easy sealing of the connection. One sealing plate is embedded inside the first protective shell 31, and the other sealing plate is embedded inside the second protective shell 32. The vent 303 allows for ventilation and heat dissipation. The rotary protective device 3 includes a first protective shell 31, a second protective shell 32, a snap-fit ​​mechanism 33, and a rotary mechanism 34. The first protective shell 31 and the second protective shell 32 are symmetrically arranged. A tension clamp device 1 is disposed inside the first protective shell 31 and the second protective shell 32. Multiple... The snap-fit ​​mechanism 33 is connected to the side of the first protective shell 31 and snaps into the second protective shell 32. The second protective shell 32 is connected to the top of the first protective shell 31 and the second protective shell 32. The first protective shell 31 is rotatably connected to the second protective shell 32 through the rotating mechanism 34. Both the first protective shell 31 and the second protective shell 32 are provided with sealing flanges 311 on their sides. The two sealing flanges 311 are staggered to facilitate sealing the connection between the first protective shell 31 and the second protective shell 32. The two sealing flanges 311 are integrated with the first protective shell 31 and the second protective shell 32 respectively. A sealing strip 312 is provided on the inner side of the sealing flange 311. The sealing strip 312 is bonded to the inner wall of the sealing flange 311. The two sealing strips 312 achieve double waterproofing.

[0039] The latching mechanism 33 includes a connecting part 331 and a latching part 332. The connecting part 331 is fixedly connected to the first protective shell 31. The connecting part 331 and the latching part 332 are integrated. The latching part 332 is engaged with the sealing flange 311. The connecting part 331 facilitates the connection with the first protective shell 31. The connecting part 331 is made of elastic material. The latching part 332 is used to engage the sealing flange 311 connected to the second protective shell 32, which facilitates the positioning of the relative position between the first protective shell 31 and the second protective shell 32, making the relative position between the first protective shell 31 and the second protective shell 32 more stable. The latching mechanism enables quick fastening.

[0040] The rotating mechanism 34 includes a first connecting plate 341, a second connecting plate 342, and a limiting shaft 343. The first connecting plate 341 is fixedly connected to the top of the first protective shell 31, and the second connecting plate 342 is fixedly connected to the bottom of the first protective shell 31. The positions of the first connecting plate 341 and the second connecting plate 342 are corresponding. The limiting shaft 343 is fixedly installed on the top of the first connecting plate 341 and is rotatably connected to the second connecting plate 342. The opening and closing of the rotating protective device 3 is realized by means of a hinge. The first connecting plate 341 is rotatably connected to the second connecting plate 342 through the limiting shaft 343, which facilitates the limiting of the fixed-axis rotation between the first connecting plate 341 and the second connecting plate 342, making the fixed-axis rotation between the first protective shell 31 and the second protective shell 32 more stable.

[0041] The tension clamp device 1 includes a guide mechanism 11 and a clamping mechanism 12. The guide mechanism 11 is located inside the rotary protective device 3 and is adapted to the shape of the rotary protective device 3. Multiple clamping mechanisms 12 are installed on the guide mechanism 11.

[0042] The guiding mechanism 11 includes a guide frame 111, a limiting block 112, and a limiting pin 113. Multiple limiting blocks 112 are fixedly connected to both sides of the guide frame 111. The limiting blocks 112 cooperate with the clamping mechanism 12. The limiting pin 113 is inserted and installed on the top of the guide frame 111. The guide frame 111 facilitates the guidance of the cable, the limiting blocks 112 facilitate the limiting of the clamping mechanism 12, and the limiting pin 113 facilitates the limiting of the installation of the connecting mechanism 22.

[0043] The clamping mechanism 12 includes a U-bolt 121, a positioning nut 122, and a clamping block 123. The two ends of the U-bolt 121 are respectively engaged with two limiting blocks 112. The positioning nut 122 is threaded onto the end of the U-bolt 121. The clamping block 123 is fixedly installed on the inner side of the U-bolt 121. The U-bolt 121 facilitates the limiting of the cable, the clamping block 123 facilitates the clamping of the cable, and the positioning nut 122 facilitates the locking of the U-bolt 121.

[0044] The suspended connection device 2 includes a protective mechanism 21 and a connecting mechanism 22. One end of the connecting mechanism 22 is connected to the protective mechanism 21, and the other end of the connecting mechanism 22 is connected to the guide mechanism 11. The connecting mechanism 22 is interlocked with the rotating protective device 3.

[0045] The protective mechanism 21 includes a protective cover 211, reinforcing rings 212, inserting rods 213, and suspension rings 214. Multiple reinforcing rings 212 are connected to one side of the protective cover 211 and are arranged concentrically. One end of the inserting rod 213 is fixedly connected to the middle of one side of the protective cover 211, and the suspension ring 214 is fixedly connected to the middle of the other side of the protective cover 211. The suspension ring 214 facilitates the connection with external connection structures, and the inserting rod 213 facilitates the insertion and installation with the limiting frame 222.

[0046] The connecting mechanism 22 includes a connecting trunnion 221 and a limiting frame 222. The connecting trunnion 221 is inserted into the rotary protective device 3. One end of the connecting trunnion 221 is inserted into the limiting pin 113, and the other end of the connecting trunnion 221 is fixedly connected to the limiting frame 222. The limiting frame 222 and the other end of the insert rod 213 cooperate with each other. The connecting trunnion 221 facilitates the connection with the limiting pin 113.

[0047] Working principle of this invention:

[0048] During product installation, the cable is aligned with the inner wall of the guide frame 111, following its shape. Then, the U-bolt 121 is inserted into the corresponding position of the limiting block 112, encasing the cable. The cable is then tightened using the clamping block 123. Finally, the positioning nut 122 is rotated to lock the U-bolt 121. The end of the connecting trunnion 221 is then inserted into the guide frame 111. The position of the connecting trunnion 221 is locked by the insertion of the limiting pin 113 into the connecting trunnion 221. Finally, the protruding end of the insertion rod 213 is inserted into the inner cavity of the limiting frame 222, thus enabling the tension clamp device 1 and the suspension connector to be connected. The assembly of the relative positions between the connecting devices 2 is then performed. The operator then covers the tension clamp device 1 and the cable interface with the first protective shell 31 facing upwards. After the first protective shell 31 is correctly positioned, the second protective shell 32 is attached to it. The installation is completed by locking the first protective shell 31 and the second protective shell 32 together through the snap-fit ​​mechanism 33. The operation is simple and quick. Through the design of the first protective shell 31 and the second protective shell 32 and the combination of the snap-fit ​​mechanism 33, the waterproof effect of the tension clamp device 1 is maximized, which improves the reliability of power supply. The overall streamlined hydrophobic shape of the rotating protective device 3 can disperse water droplets in all directions when rain falls, achieving the function of hydrophobic and waterproof. At the same time, the overall smooth appearance can prevent dust accumulation.

[0049] Finally, it should be noted that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A waterproof cover for a tension clamp, comprising a tension clamp device (1), a suspension connecting device (2), and a rotating protective device (3), characterized in that, The tension clamp device (1) is located inside the rotary protective device (3). One end of the suspension connecting device (2) is connected to the top of the tension clamp device (1). The suspension connecting device (2) is interlocked with the rotary protective device (3). The rotary protective device (3) is used to protect the tension clamp device (1). The suspension connecting device (2) is used to connect the tension clamp device (1). The rotating protective device (3) has a first sealing ring (301) embedded on one side and a second sealing ring (302) embedded on the other side. A vent hole (303) is provided at the bottom of the rotating protective device (3). The rotating protective device (3) includes a first protective shell (31), a second protective shell (32), a snap-fit ​​mechanism (33), and a rotating mechanism (34). The first protective shell (31) and the second protective shell (32) are symmetrically arranged. The tension clamp device (1) is located inside the first protective shell (31) and the second protective shell (32). Multiple snap-fit ​​mechanisms (33) are connected to the sides of the first protective shell (31). The snap-fit ​​mechanism (33) and... The second protective shell (32) is snapped on and connected to the top of the first protective shell (31) and the second protective shell (32). The first protective shell (31) is rotatably connected to the second protective shell (32) through a rotating mechanism (34). Both the first protective shell (31) and the second protective shell (32) are provided with sealing flanges (311). The two sealing flanges (311) are staggered and integrated with the first protective shell (31) and the second protective shell (32) respectively. The inner side of the sealing flange (311) is provided with a sealing strip (312). The sealing strip (312) is bonded to the inner wall of the sealing flange (311).

2. The waterproof cover for a tension clamp according to claim 1, characterized in that, The latching mechanism (33) includes a connecting part (331) and a latching part (332). The connecting part (331) is fixedly connected to the first protective shell (31). The connecting part (331) and the latching part (332) are integrated. The latching part (332) is engaged with the sealing flange (311).

3. The waterproof cover for a tension clamp according to claim 1, characterized in that, The rotating mechanism (34) includes a first connecting plate (341), a second connecting plate (342), and a limiting shaft (343). The first connecting plate (341) is fixedly connected to the top of the first protective shell (31), and the second connecting plate (342) is fixedly connected to the bottom of the first protective shell (31). The positions of the first connecting plate (341) and the second connecting plate (342) are corresponding. The limiting shaft (343) is fixedly installed on the top of the first connecting plate (341), and the limiting shaft (343) is rotatably connected to the second connecting plate (342).

4. A waterproof cover for a tension clamp according to claim 1, characterized in that, The tension clamp device (1) includes a guide mechanism (11) and a clamping mechanism (12). The guide mechanism (11) is located inside the rotary protective device (3) and is adapted to the shape of the rotary protective device (3). Multiple clamping mechanisms (12) are installed on the guide mechanism (11).

5. A waterproof cover for a tension clamp according to claim 4, characterized in that, The guiding mechanism (11) includes a guide frame (111), a limiting block (112) and a limiting pin (113). The multiple limiting blocks (112) are fixedly connected to both sides of the guide frame (111). The limiting blocks (112) cooperate with the clamping mechanism (12). The limiting pin (113) is inserted and installed on the top of the guide frame (111).

6. A waterproof cover for a tension clamp according to claim 4, characterized in that, The clamping mechanism (12) includes a U-bolt (121), a positioning nut (122), and a clamping block (123). The two ends of the U-bolt (121) are respectively engaged with two limiting blocks (112). The positioning nut (122) is threaded onto the end of the U-bolt (121). The clamping block (123) is fixedly installed on the inner side of the U-bolt (121).

7. A waterproof cover for a tension clamp according to claim 1, characterized in that, The suspended connecting device (2) includes a protective mechanism (21) and a connecting mechanism (22). One end of the connecting mechanism (22) is connected to the protective mechanism (21), and the other end of the connecting mechanism (22) is connected to the guide mechanism (11). The connecting mechanism (22) is interlocked with the rotating protective device (3).

8. A waterproof cover for a tension clamp according to claim 7, characterized in that, The protective mechanism (21) includes a protective cover (211), reinforcing rings (212), inserting rods (213) and suspension rings (214). Multiple reinforcing rings (212) are connected to one side of the protective cover (211) and are arranged concentrically. One end of the inserting rod (213) is fixedly connected to the middle of one side of the protective cover (211), and the suspension ring (214) is fixedly connected to the middle of the other side of the protective cover (211).

9. A waterproof cover for a tension clamp according to claim 7, characterized in that, The connecting mechanism (22) includes a connecting trunnion (221) and a limiting frame (222). The connecting trunnion (221) is inserted into the rotating protective device (3). One end of the connecting trunnion (221) is inserted into the limiting pin (113). The other end of the connecting trunnion (221) is fixedly connected to the limiting frame (222). The limiting frame (222) and the other end of the inserting rod (213) cooperate with each other.

Images