A cable entry device with a cable compression structure

Abstract

The utility model relates to the technical field of power distribution cabinets, and discloses a cable entry device of a cable clamping structure, including a cabinet plate and a cable clamping member, the cabinet plate is fixed in the lead-in groove of the power distribution cabinet by screws, and the cabinet plate includes an upper splicing plate and a lower splicing plate; the cable clamping member includes a cable entry block, an internal threaded sleeve, a silicone seal and a gasket, and a clamping nut; the silicone seal and the gasket are locked in the internal threaded sleeve by the clamping nut and the cable passing through the silicone seal and the gasket is clamped. When the cable passes through the silicone seal, the clamping nut locks the silicone seal and the gasket in the internal thread sleeve, and the shape of the silicone seal changes under the action of external force. Therefore, the silicone seal is deformed under the action of the clamping nut to seal the gap between the silicone seal and the cable, which can effectively position and fix the cable, and can prevent the cable from being deformed or damaged by external force.

Description

Technical Field

[0001] The utility model belongs to the technical field of power distribution cabinets, and in particular relates to a cable introduction device with a cable compression structure. Background Art

[0002] The cable entry device installed on the distribution cabinet can firmly fix the cable to prevent it from loosening or shaking, thereby protecting the safety of the cable. The cable entry device can ensure a good connection between the cable and the distribution cabinet, reduce the cable faults such as poor contact due to unstable connection, and improve the reliability of the entire system.

[0003] The cable entry device in traditional technology usually uses bolts or other methods to fix the cable. If the bolts or fixing methods are not installed firmly, it may cause the cable entry device to loosen or fall off. In addition, in the case of large cables, the bolts or fixing methods may not be able to bear the weight of the cable, and thus loosen or fall off, causing cable instability and safety hazards. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art, the utility model provides a cable introduction device with a cable compression structure.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A cable entry device of a cable compression structure, comprising a cabinet plate and a cable compression piece, wherein the cabinet plate is fixed in a lead-in groove of a power distribution cabinet by screws, and the cabinet plate comprises an upper splicing plate and a lower splicing plate spliced ​​and docked with the upper splicing plate; the cable compression piece is provided with a plurality of splicing plates and is located between the upper splicing plate and the lower splicing plate, and the cable compression piece comprises a cable entry block respectively inserted and positioned on the upper splicing plate and the lower splicing plate and interlaced with the cable, an internally threaded sleeve fixed on the cable entry block, a silicone sealing pad and a gasket inserted into the internally threaded sleeve, and a compression nut which presses and positions the silicone sealing pad and the gasket in the internally threaded sleeve and is threadedly connected to the internally threaded sleeve;

[0007] The silicone seal pad and the gasket are locked in the internal threaded sleeve by the compression nut, and the cable passing through the silicone seal pad and the gasket is compressed.

[0008] Preferably, the two ends of the upper splicing plate are provided with protrusions, the two ends of the lower splicing plate are provided with grooves for mating with the protrusions, and the bottoms of the two protrusions at the two ends are fixed with positioning blocks, which are matingly mated with the insertion grooves provided at the two ends of the lower splicing plate. Through the mating of the protrusions and the grooves, and the mating and mating design of the positioning blocks and the insertion grooves, the upper splicing plate and the lower splicing plate can be firmly connected together.

[0009] Preferably, the upper splicing plate and the lower splicing plate are both provided with connection holes at equal distances, and the connection holes are threadedly connected with screws, and the upper splicing plate and the lower splicing plate are threadedly connected by the screws. The threaded connection does not require the use of other tools, and the operation is simple and convenient.

[0010] Preferably, mounting holes are respectively provided at both ends of the upper splicing plate and the lower splicing plate, and the through-cabinet plate is fixed in the lead-in groove of the power distribution cabinet by screws penetrating the mounting holes. By fixing the through-cabinet plate in the lead-in groove of the power distribution cabinet by screws, the through-cabinet plate can be stably fixed on the power distribution cabinet to prevent the lead-in groove from shaking or falling off.

[0011] Preferably, the cable lead-in block is provided with a through hole for connecting the internal threaded sleeve and for inserting the cable. The internal threaded sleeve can be conveniently connected to other equipment or accessories, such as a power distribution cabinet or a cable interface box.

[0012] Preferably, the silicone seal is provided with an insertion hole for inserting the cable. Through the insertion hole, the cable can be conveniently introduced into the silicone seal and then into the cable introduction block, and the cable can be fixed at the insertion hole to prevent the cable from moving or getting loose during operation.

[0013] Preferably, the clamping nut comprises an external threaded sleeve threadedly connected to the internal threaded sleeve and a hexagonal nut integrally formed with the external threaded sleeve. The design of the hexagonal nut makes the installation and removal of the clamping nut simple and convenient, and the operation can be completed by using only a corresponding wrench or sleeve.

[0014] Preferably, the cable introduction block is provided with a clamping position on both sides thereof that is engaged with the clamping slot on the upper splicing plate or the lower splicing plate, and a limit plate is provided on both sides thereof that is limited on the outer side of the upper splicing plate or the lower splicing plate. Through the cooperation between the clamping position and the clamping slot, the cable introduction block can be firmly connected with the upper splicing plate or the lower splicing plate to ensure fixity and prevent movement or falling off.

[0015] Compared with the prior art, the technical effects and advantages of the utility model are:

[0016] The cable entry device of the cable clamping structure can securely fix the cable through the assembly of the cabinet plate and the cable clamping piece, preventing the cable from loosening or falling off due to vibration or external force, thereby improving the overall stability and safety.

[0017] The cable clamping piece is composed of a cable introduction block, an internal threaded sleeve, a silicone sealing pad, a gasket and a clamping nut for the insertion of the cable. The cable passes through the cable clamping piece and is introduced into the distribution cabinet through the wire hole. When the cable passes through the silicone sealing pad, the clamping nut locks the silicone sealing pad and the gasket in the internal threaded sleeve. The shape of the silicone sealing pad will change under the action of external force. Therefore, the silicone sealing pad will deform under the action of the clamping nut to seal the gap between the silicone sealing pad and the cable. The design of the cable clamping structure can effectively position and fix the cable, avoid deformation or damage of the cable due to external force, reduce maintenance cost and frequency, and extend the service life of the cable. Through the deformation and sealing function of the silicone sealing pad and the gasket, under the action of the sturdy clamping nut, flammable gas can be effectively prevented from entering the electrical equipment or the equipment casing, thereby improving safety.

[0018] The design of the cable entry device makes the cable installation neat and beautiful, improving the overall appearance of the distribution cabinet. At the same time, the assembly method and accurate positioning design ensure the overall consistency and aesthetics of the device.

[0019] In summary, the cable entry device of the cable clamping structure described above provides stable fixation, reduces maintenance costs, has a beautiful and neat appearance, provides a convenient installation and disassembly method, and avoids the entry of flammable gases, thereby improving the reliability and safety of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model from the first perspective;

[0021] Figure 2 It is a structural schematic diagram of the utility model from a second viewing angle;

[0022] Figure 3 It is an exploded view of the utility model;

[0023] Figure 4 It is a structural schematic diagram of the upper splicing plate of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the lower splicing plate of the utility model;

[0025] Figure 6 This is an exploded view of the cable compression member of the utility model;

[0026] Figure 7 It is a structural schematic diagram of the cable compression piece of the utility model.

[0027] In the figure: 1. Cabinet plate; 11. Upper splicing plate; 12. Lower splicing plate; 13. Slot; 14. Bump; 15. Positioning plug; 16. Plug slot; 17. Connection hole; 18. Mounting hole; 19. Groove; 2. Cable clamp; 21. Cable introduction block; 2101. Positioning; 2102. Limiting plate; 2103. Through hole; 22. Internally threaded sleeve; 23. Silicone sealing pad; 2301. Insertion hole; 24. Gasket; 25. Compression nut; 2501. Externally threaded sleeve; 2502. Hexagonal nut. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] The following is combined with Figure 1-7 To further explain this application in detail,

[0030] The embodiment of the present application discloses a cable entry device of a cable compression structure, comprising a cabinet plate 1 and a cable compression member 2, wherein the cabinet plate 1 is fixed in a lead-in groove of a power distribution cabinet by screws, and the cabinet plate 1 comprises an upper splicing plate 11 and a lower splicing plate 12 spliced ​​and docked with the upper splicing plate 11; the cable compression member 2 is provided with a plurality of splicing plates and is located between the upper splicing plate 11 and the lower splicing plate 12, and the cable compression member 2 comprises a cable entry block 21 respectively inserted and positioned on the upper splicing plate 11 and the lower splicing plate 12 and interlaced with the cable, an internally threaded sleeve 22 fixed on the cable entry block 21, a silicone sealing pad 23 and a gasket 24 inserted into the internally threaded sleeve 22, and a compression nut 25 which presses and positions the silicone sealing pad 23 and the gasket 24 in the internally threaded sleeve 22 and is threadedly connected to the internally threaded sleeve 22;

[0031] The silicone seal pad 23 and the gasket 24 are locked in the internal threaded sleeve 22 by the compression nut 25 and the cables passing through the silicone seal pad 23 and the gasket 24 are compressed.

[0032] During installation, a lead-in groove is provided on the distribution cabinet, a wire-through hole is provided on the lead-in groove, a cabinet plate 1 is embedded and installed in the lead-in groove, a plurality of cable clamps 2 are installed on the cabinet plate 1, the cabinet plate 1 and the cable clamps 2 are assembled by assembling, the cable clamps 2 are assembled between the upper splicing plate 11 and the lower splicing plate 12, the cable clamps 2 are composed of a cable introduction block 21, an internal threaded sleeve 22, a silicone sealing gasket 23, a gasket 24 and a clamping nut 25 for fitting the cable insertion, the cable passes through the cable clamp 2 and is introduced into the distribution cabinet through the wire-through hole, when the cable passes through the silicone sealing gasket 23, the clamping nut 25 locks the silicone sealing gasket 23 and the gasket 24 in the internal threaded sleeve 22, the silicone sealing gasket 23 changes shape under the action of external force, therefore, the silicone sealing gasket 23 is deformed under the action of the clamping nut 25 to seal the gap between the silicone sealing gasket 23 and the cable, thereby preventing flammable gas from entering the electrical equipment or the equipment casing.

[0033] The cable clamping member 2 is arranged on the cable entry device as a cable clamping structure, which can fix the cable and provide appropriate clamping force, thereby reducing the possibility of the cable being deformed or damaged by external force, and reducing the maintenance cost and frequency of the cable. The cable entry device with a cable clamping structure can make the cable installation neat and beautiful, which not only improves the overall appearance of the distribution cabinet, but also facilitates the management and maintenance of the cables.

[0034] The upper splicing plate 11 has protrusions 14 at both ends, and the lower splicing plate 12 has grooves 19 at both ends for mating with the protrusions 14. Positioning blocks 15 are fixed at the bottom of the two protrusions 14 at both ends, and the positioning blocks 15 are matingly mated with the insertion grooves 16 opened at both ends of the lower splicing plate 12.

[0035] Through the cooperation of the protrusion 14 and the groove 19, the upper splicing plate 11 and the lower splicing plate 12 can be firmly connected together to ensure the stability of the splicing and prevent it from loosening or falling off. The matching plug-in design of the positioning block 15 and the plug-in groove 16 makes the splicing and disassembly process more convenient and quick, without the need to use too many tools and auxiliary materials. The positioning block 15 can ensure that the upper splicing plate 11 and the lower splicing plate 12 maintain the accuracy of the relative position during the splicing process, improve the splicing accuracy, and reduce errors. The positioning block 15 can improve the stability of the splicing, facilitate installation and disassembly, improve the splicing accuracy, and enhance safety.

[0036] The upper splicing plate 11 and the lower splicing plate 12 are both provided with connection holes 17 at equal intervals, and the connection holes 17 are threadedly connected with screws, and the upper splicing plate 11 and the lower splicing plate 12 are threadedly connected through the screws.

[0037] The threaded connection does not require any other tools and is easy and convenient to operate. The threaded connection can ensure a tight connection between the upper splicing plate 11 and the lower splicing plate 12, thereby improving the stability of the connection.

[0038] Mounting holes 18 are respectively provided at both ends of the upper splicing plate 11 and the lower splicing plate 12 , and the through-cabinet plate 1 is fixed in the lead-in groove of the power distribution cabinet by screws penetrating the mounting holes 18 .

[0039] The through-cabinet plate 1 is fixed in the lead-in duct of the power distribution cabinet by screws, so that the through-cabinet plate 1 can be stably fixed on the power distribution cabinet to prevent the lead-in duct from shaking or falling off. During installation, it is only necessary to fix the through-cabinet plate 1 in the lead-in duct by screws, which is simple and convenient to operate. If maintenance is required, it is only necessary to loosen the screws, which is convenient and quick. This design can make the overall appearance of the lead-in duct and the power distribution cabinet more coordinated and beautiful, and can also facilitate the introduction and extraction of cables, thereby improving practicality and convenience.

[0040] The cable introduction block 21 is provided with a through hole 2103 which is connected to the internal threaded sleeve 22 and is adapted for the insertion of the cable.

[0041] The internal threaded sleeve 22 can be connected to other devices or accessories, such as a power distribution cabinet or a cable interface box, etc. The cable can be quickly and conveniently introduced into the lead-in groove through the through hole 2103 for the cable to pass through, simplifying the installation process. The through hole 2103 for the cable to pass through and the internal threaded sleeve 22 can ensure the firm fixation of the cable and prevent the cable from loosening or falling off due to vibration or external force.

[0042] The silicone sealing pad 23 is provided with an insertion hole 2301 for the cable to be inserted.

[0043] Through the insertion hole 2301, the cable can be easily introduced into the silicone sealing pad 23 and then into the cable introduction block 21, and the cable can be fixed at the insertion hole 2301 to prevent the cable from moving or loosening during operation. The silicone sealing pad 23 has good softness and wear resistance, and can form a protective layer around the cable to prevent the cable from being squeezed, worn or damaged by other external forces. The silicone sealing pad 23 has good sealing performance, which can prevent the leakage of the medium around the cable and protect the cable from the influence of the external environment. The design of the insertion hole 2301 on the silicone sealing pad 23 makes the introduction and fixation of the cable simpler and convenient for installation and disassembly.

[0044] The clamping nut 25 includes an external threaded sleeve 2501 threadably connected to the internal threaded sleeve 22 and a hexagonal nut 2502 integrally formed with the external threaded sleeve 2501 .

[0045] The design of the hexagonal nut 2502 makes the installation and removal of the clamping nut 25 simple and convenient, and the operation can be completed by using a corresponding wrench or socket. The external threaded sleeve 2501 and the internal threaded sleeve 22 are threadedly connected to achieve a tight connection, thereby ensuring the stability and safety of the cable entry device. This clamping nut 25 has a simple structure, is easy to manufacture and process, has a low cost, and is suitable for large-scale production and application.

[0046] The cable introduction block 21 has two sides provided with clamping positions 2101 that cooperate with the clamping slots 13 on the upper splicing plate 11 or the lower splicing plate 12, and the cable introduction block 21 has two sides provided with limiting plates 2102 that are limited on the outer side of the upper splicing plate 11 or the lower splicing plate 12.

[0047] Through the cooperation between the locking position 2101 and the slot 13, the cable introduction block 21 can be firmly connected to the upper splicing plate 11 or the lower splicing plate 12 to ensure fixity and prevent movement or falling off. Through the cooperation between the locking position 2101 and the slot 13, assembly and disassembly operations can be conveniently performed without the use of other complicated tools. The limit plate 2102 can provide precise positioning to ensure the accurate position of the cable introduction block 21 and the splicing plate to avoid errors. Through the design of the locking position 2101 and the slot 13, the space can be effectively utilized to make the entire device more compact.

[0048] The cable clamp 2 can be used to fix the cable and provide a suitable clamping force, thereby reducing the possibility of deformation or damage of the cable due to external force. Even in the case of a large cable, it can provide a good clamping force to avoid loosening or falling off. This reduces the maintenance cost and frequency of the cable and improves the reliability of the system. The cable clamp 2 can be assembled between the upper splicing plate 11 and the lower splicing plate 12, which simplifies the installation process and improves work efficiency. The silicone sealing pad 23 is deformed under the action of the clamping nut 25 to seal the gap between the silicone sealing pad 23 and the cable, which facilitates the positioning and fixing of the cable.

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

Claims

1. A cable entry device with a cable compression structure, characterized in that: include: A cabinet penetration plate (1), wherein the cabinet penetration plate (1) is fixed in a lead-in groove of a power distribution cabinet by means of screws, and the cabinet penetration plate (1) comprises an upper splicing plate (11) and a lower splicing plate (12) spliced ​​and docked with the upper splicing plate (11); A cable clamping piece (2), the cable clamping piece (2) being provided with a plurality of pieces and being located between an upper splicing plate (11) and a lower splicing plate (12), the cable clamping piece (2) comprising a cable lead-in block (21) respectively inserted and positioned on the upper splicing plate (11) and the lower splicing plate (12) and interlaced with the cable, an internally threaded sleeve (22) fixed on the cable lead-in block (21), a silicone seal (23) and a gasket (24) inserted into the internally threaded sleeve (22), and a clamping nut (25) which compresses and positions the silicone seal (23) and the gasket (24) on the internally threaded sleeve (22) and is threadedly connected to the internally threaded sleeve (22); The silicone seal pad (23) and the gasket (24) are locked in the internal thread sleeve (22) by the compression nut (25), and the cable passing through the silicone seal pad (23) and the gasket (24) is compressed.

2. A cable entry device with a cable compression structure according to claim 1, characterized in that: The upper splicing plate (11) is provided with protrusions (14) at both ends, and the lower splicing plate (12) is provided with grooves (19) for mating with the protrusions (14) at both ends. Positioning blocks (15) are fixed at the bottom of the two protrusions (14) at both ends, and the positioning blocks (15) are matingly mated with the insertion grooves (16) provided at both ends of the lower splicing plate (12).

3. The cable entry device of the cable compression structure according to claim 1, characterized in that: The upper splicing plate (11) and the lower splicing plate (12) are both provided with connection holes (17) at equal distances, and the connection holes (17) are threadedly connected with screw rods, and the upper splicing plate (11) and the lower splicing plate (12) are threadedly connected via the screw rods.

4. The cable entry device of the cable compression structure according to claim 1, characterized in that: The upper splicing plate (11) and the lower splicing plate (12) are respectively provided with mounting holes (18) at both ends, and the through-cabinet plate (1) is fixed in the lead-in groove of the power distribution cabinet by means of screws penetrating the mounting holes (18).

5. The cable entry device of the cable compression structure according to claim 1, characterized in that: The cable introduction block (21) is provided with a through hole (2103) which is connected to the internal thread sleeve (22) and is adapted to allow the cable to pass through.

6. The cable entry device of the cable compression structure according to claim 1, characterized in that: The silicone sealing pad (23) is provided with an insertion hole (2301) for the cable to be inserted.

7. The cable entry device of the cable compression structure according to claim 1, characterized in that: The clamping nut (25) comprises an externally threaded sleeve (2501) threadably connected to the internally threaded sleeve (22) and a hexagonal nut (2502) integrally formed with the externally threaded sleeve (2501).

8. The cable entry device of the cable compression structure according to claim 1, characterized in that: The cable introduction block (21) is provided with a clamping position (2101) on both sides thereof that is matched with a clamping groove (13) on the upper splicing plate (11) or the lower splicing plate (12), and the cable introduction block (21) is provided with a limit plate (2102) on both sides thereof that is limited on the outer side surface of the upper splicing plate (11) or the lower splicing plate (12).

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