Cable head protection device

Abstract

The utility model discloses a cable head protection device, which relates to the technical field of cable head protection and comprises a first cable head and a second cable head, and the outer surfaces of the first cable head and the second cable head are respectively sleeved with a first protection sleeve and a second protection sleeve. A first protective clamping plate is fixedly connected to the right end of the first protective sleeve, a through hole with the same inner diameter as the first protective sleeve is formed in the position, corresponding to the first protective sleeve, of the left surface of the first protective clamping plate, a second protective clamping plate is pushed rightwards, and a sliding block slides leftwards on the surface of a sliding column to enter a circular-truncated-cone-shaped groove and continues to be pushed rightwards; the triangular clamping block can slide out from the inclined surface of the sliding block, so that the cable head protection device is convenient to mount and dismount, the practicability of the device is improved, the water seepage phenomenon in rainy days can be avoided through the arrangement of the protection shell and the protection groove, and the service life of the cable is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of wire end protection, in particular to a cable wire end protection device. Background Art

[0002] Wires and cables are wire products used to transmit electrical energy, information and realize electromagnetic energy conversion. Wires and cables in a broad sense are also referred to as cables. Cables in a narrow sense refer to insulated cables, which can be defined as: a collection of the following parts, one or more insulating cores, and their respective coatings, total protective layers and outer sheaths. Cables may also have additional uninsulated conductors.

[0003] When installing the existing cable head protection device, it is necessary to tighten the screws on the upper and lower protective shell covers, which is not only troublesome to operate but also prone to misalignment of the protective shells, resulting in inconvenient installation. In addition, the upper and lower protective shells clamp the cable heads with too much force, which can easily deform the cable heads. In addition, the protection device is not tightly connected, and the cable head joints cannot be firmly overlapped, which can lead to water seepage on rainy days, easily corrode the internal cable heads, and shorten the service life of the cable heads. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art and to provide a cable end protection device, which can solve the problem that the existing cable end protection device needs to cover the upper and lower protective shells and then tighten the screws during installation, which is not only troublesome to operate but also prone to misalignment of the protective shells, resulting in inconvenient installation. In addition, the upper and lower protective shells clamp the cable ends with too much force, which can easily deform the cable ends. The protective equipment is not tightly connected and the cable end joints cannot be firmly overlapped, which leads to water seepage on rainy days, easy corrosion of the internal cable ends, and shortening of the service life of the cable ends.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cable head protection device, comprising a first cable head and a second cable head, wherein the outer surfaces of the first cable head and the second cable head are respectively covered with a first protective sleeve and a second protective sleeve, the right end of the first protective sleeve is fixedly connected with a first protective clamping plate, and the left surface of the first protective clamping plate is provided with a through hole having the same inner diameter as the first protective sleeve at a position corresponding to the first protective sleeve;

[0006] Among them, the first protective clamping plate is symmetrically provided with first circular grooves at the upper and lower ends, and telescopic devices are arranged inside the two first circular grooves, and the two telescopic devices are arranged in a mirror image, and the right end of the first protective clamping plate is symmetrically provided with a third circular groove, and the bottoms of the two first circular grooves are connected to the third circular groove;

[0007] Among them, the left side of the first protective snap-in plate is fixedly connected with the second protective snap-in plate, the right end of the second protective snap-in plate corresponds to the position of the second protective sleeve and is provided with a through hole communicated with the inner diameter of the second protective sleeve, and the left end of the second protective snap-in plate corresponds to the position of the telescopic device and is provided with a snap-in device;

[0008] Among them, the right end of the second protective clip-on plate is fixedly connected to the first protective sleeve, the end of the first protective sleeve away from the second protective clip-on plate is fixedly connected to the fixing plate, the right end of the fixing plate is provided with a through hole communicating with the inner diameter of the first protective sleeve, and the upper and lower ends of the fixing plate are longitudinally symmetrically provided with two fourth circular grooves, and the interiors of the four fourth circular grooves are provided with fixing devices, and the upper and lower fixing devices are mirror-imaged.

[0009] The right end of the first protective snap-in plate is fixedly connected with a protective shell, and the left end of the second protective snap-in plate is provided with a protective groove matched with the protective shell at a position corresponding to the protective shell.

[0010] Preferably, the telescopic device comprises a telescopic column, the telescopic column is slidably connected inside the first circular groove, a second circular groove is provided inside the first circular groove, and the diameter of the second circular groove is greater than the diameter of the first circular groove;

[0011] Among them, the lower end of the telescopic column is fixedly connected with a triangular clamping block, the outer surface of the telescopic column is fixedly sleeved with a first circular limit block near the upper side of the triangular clamping block, the first circular limit block is slidably connected to the inside of the second circular groove, the upper end of the first circular limit block is fixedly connected with a first spring, the first spring is movably sleeved on the outer surface of the telescopic column, and the end of the first spring away from the first circular limit block is fixedly connected to the inner upper end of the second circular groove.

[0012] Preferably, the clamping device includes a fixed column, which is fixedly mounted on the left end of the second protective clamping plate at a position corresponding to the third circular groove, the left end of the fixed column is fixedly connected to a sliding column, the outer surface of the sliding column is slidably connected to a sliding block, and the end of the sliding column away from the fixed column is fixedly connected to a truncated cone-shaped fixed block.

[0013] Preferably, the right end of the truncated cone-shaped fixed block is provided with a truncated cone-shaped groove matched with the left end of the sliding block.

[0014] Preferably, the fixing device comprises two second circular limiting columns, both of which are slidably connected to the inside of the fourth circular groove, the bottom ends of the two second circular limiting columns are fixedly connected to a push rod, the bottom end of the push rod passes through the bottom of the fourth circular groove and is fixedly connected to a U-shaped top block, and the bottom end of the U-shaped top block is fixedly connected to an arc plate;

[0015] Preferably, a rectangular groove matching the U-shaped top block is provided inside the fixing plate, and the U-shaped top block is slidably connected inside the rectangular groove.

[0016] Preferably, two threaded rods are threadedly connected at the middle position of the upper and lower ends of the fixing plate, and the ends of the two threaded rods close to each other extend into the interior of the rectangular groove, and the ends of the two threaded rods close to each other are fitted with the U-shaped top block.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] (1) The cable head protection device is provided with a clamping device and a telescopic device. When the first cable head and the second cable head need to be clamped and protected, the first protective clamping plate and the second protective clamping plate are pushed closer to each other, and the triangular clamping block slides along the inclined surface of the truncated cone fixed block, driving the telescopic column fixedly connected to the triangular clamping block to move up and down. The up and down movement of the telescopic column drives the first circular limit block fixedly sleeved therewith to move up and down, thereby driving the spring fixedly connected to the first circular limit block to contract inside the second circular groove. When the triangular clamping block slides to the right side of the truncated cone fixed block, Due to the resilience of the spring, the conical fixing block will be clamped to the inside of the third circular groove. When the device needs to be removed, the second protective clamping plate only needs to be pushed further to the left, and the triangular clamping block will move to the right end on the inclined surface of the sliding block. Then the second protective clamping plate is pushed to the right, and the sliding block slides to the left on the surface of the sliding column into the inside of the conical groove. Continue to push it to the right, and the triangular clamping block will slide out from the inclined surface of the sliding block, making the cable head protection device easy to install and disassemble, thereby improving the practicability of the device. In addition, the provision of the protective shell and the protective groove can avoid water seepage on rainy days and extend the service life of the cable.

[0019] (2) The cable head protection device is provided with a fixing device, and the two threaded rods are rotated. The threaded rods are moved closer to each other, driving the U-shaped top blocks that are closely attached to them to move closer to each other. The two U-shaped top blocks are moved closer to each other, driving the arc plates that are fixedly connected to them to move closer to each other, thereby completing the clamping and fixing of the cable, and then completing the fixing of the clamping device and the telescopic device. The cable joints can be firmly overlapped, ensuring that the joints are not easily disconnected, thereby playing a protective role. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a cross-sectional schematic diagram of the clamping device and the telescopic device;

[0023] Figure 3 for Figure 2 The enlarged schematic diagram at A in the middle;

[0024] Figure 4 is a cross-sectional schematic diagram of a fixing device;

[0025] Figure 5 for Figure 4 Enlarged schematic diagram of point B in the middle.

[0026] 1. The first cable end; 2. The first protective sleeve; 3. The first protective snap-in plate; 4. The second protective snap-in plate; 5. The fixing plate; 6. The first circular groove; 7. The second circular groove; 8. The first spring; 9. The first circular limit block; 10. The triangular block; 11. The third circular groove; 12. The fixing column; 13. The sliding column; 14. The truncated cone-shaped fixing block; 15. The truncated cone-shaped groove; 16. The sliding block; 17. The threaded rod; 18. The fourth circular groove; 19. The second circular limit column; 20. The second spring; 21. The push rod; 22. The U-shaped push block; 23. The arc plate; 24. The protective shell; 25. The protective groove; 26. The telescopic column; 27. The rectangular groove; 28. The second cable end; 29. ​​The second protective sleeve. DETAILED DESCRIPTION

[0027] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0028] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0030] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0031] See also Figure 1-5The utility model provides a technical solution: a cable head protection device, comprising a first cable head 1 and a second cable head 28, the outer surfaces of the first cable head 1 and the second cable head 28 are respectively sleeved with a first protective sleeve 2 and a second protective sleeve 29, the right end of the first protective sleeve 2 is fixedly connected with a first protective clamping plate 3, and the left surface of the first protective clamping plate 3 corresponds to the position of the first protective sleeve 2 and is provided with a through hole with the same inner diameter as the first protective sleeve 2;

[0032] Among them, the first protective clamping plate 3 has first circular grooves 6 symmetrically opened at the upper and lower ends, and telescopic devices are arranged inside the two first circular grooves 6, and the two telescopic devices are arranged in a mirror image. The right end of the first protective clamping plate 3 has a third circular groove 11 vertically symmetrically opened, and the bottoms of the two first circular grooves 6 are connected to the third circular groove 11;

[0033] The left side of the second protective sleeve 29 is fixedly connected with the second protective clamping plate 4, the right end of the second protective clamping plate 4 corresponds to the position of the second protective sleeve 29 and is provided with a through hole communicating with the inner diameter of the second protective sleeve 29, and the left end of the second protective clamping plate 4 corresponds to the position of the telescopic device and is provided with a clamping device;

[0034] Among them, the second protective sleeve 29 is fixedly connected to the fixing plate 5 at one end away from the second protective clamping plate 4, and a through hole communicating with the inner diameter of the second protective sleeve 29 is opened at the right end of the fixing plate 5. Two fourth circular grooves 18 are longitudinally symmetrically opened at the upper and lower ends of the fixing plate 5, and fixing devices are arranged inside the four fourth circular grooves 18, and the upper and lower fixing devices are arranged in a mirror image.

[0035] The right end of the first protective snap-in plate 3 is fixedly connected with a protective shell 24 , and the left end of the second protective snap-in plate 4 is provided with a protective groove 25 matching with the protective shell 24 at a position corresponding to the protective shell 24 .

[0036] Furthermore, the telescopic device includes a telescopic column 26, which is slidably connected to the inside of the first circular groove 6, and a second circular groove 7 is formed inside the first circular groove 6, and the diameter of the second circular groove 7 is greater than the diameter of the first circular groove 6;

[0037] Among them, the lower end of the telescopic column 26 is fixedly connected with a triangular block 10, and the outer surface of the telescopic column 26 is fixedly sleeved with a first circular limit block 9 near the upper side of the triangular block 10, and the first circular limit block 9 is slidably connected to the inside of the second circular groove 7, and the upper end of the first circular limit block 9 is fixedly connected with a first spring 8, which is movably sleeved on the outer surface of the telescopic column 26, and one end of the first spring 8 away from the first circular limit block 9 is fixedly connected to the inner upper end of the second circular groove 7.

[0038] Further, the clamping device includes a fixed column 12, which is fixedly mounted on the left end of the second protective clamping plate 4 at a position corresponding to the third circular groove 11, and the left end of the fixed column 12 is fixedly connected to a sliding column 13, and the outer surface of the sliding column 13 is slidably connected to a sliding block 16, and the end of the sliding column 13 away from the fixed column 12 is fixedly connected to a truncated cone-shaped fixed block 14.

[0039] Furthermore, a truncated cone groove 15 adapted to the sliding block 16 is provided at the right end of the truncated cone fixing block 14. When the cable head needs to be clamped and protected, the first protective clamping plate 3 and the second protective clamping plate 4 are pushed closer to each other, and the triangular clamping block 10 slides along the inclined surface of the truncated cone fixing block 14, driving the telescopic column 26 fixedly connected to the triangular clamping block 10 to move up and down. The up and down movement of the telescopic column 26 drives the first circular limit block 9 fixedly sleeved therewith to move up and down, thereby driving the first spring 8 fixedly connected to the first circular limit block 9 to contract inside the second circular groove 7. When the triangular clamping block 10 slides to the right side of the truncated cone fixing block 14 When the first spring 8 is in the process of being disassembled, the triangular block 10 is moved to the right end on the inclined surface of the sliding block 16 by the rebound force of the first spring 8. Then, the second protective clamping plate 4 is pushed to the right, and the sliding block 16 slides to the left on the surface of the sliding column 13 into the inside of the triangular groove 15. The sliding block 10 is pushed to the right and slides out from the inclined surface of the sliding block 16. This makes the cable head protection device easy to install and disassemble. The protection shell 24 and the protection groove 25 can avoid water seepage in rainy days and extend the service life of the cable.

[0040] Further, the fixing device includes two second circular limiting columns 19, the two second circular limiting columns 19 are slidably connected to the inside of the fourth circular groove 18, the bottom ends of the two second circular limiting columns 19 are fixedly connected with a push rod 21, the bottom end of the push rod 21 passes through the bottom of the fourth circular groove 18 and is fixedly connected with a U-shaped top block 22, and the bottom end of the U-shaped top block 22 is fixedly connected with an arc plate 23;

[0041] Furthermore, a rectangular groove 27 adapted to the U-shaped top block 22 is formed inside the fixing plate 5 , and the U-shaped top block 22 is slidably connected inside the rectangular groove 27 .

[0042] Furthermore, two threaded rods 17 are threadedly connected to the middle positions of the upper and lower ends of the fixing plate 5, and the ends of the two threaded rods 17 that are close to each other extend to the inside of the rectangular groove 27, and the ends of the two threaded rods 17 that are close to each other are fitted with the U-shaped top block 22. By rotating the two threaded rods 17, the two threaded rods 17 approach each other, driving the U-shaped top blocks 22 that are fitted with them to approach each other, and the two U-shaped top blocks 22 approach each other, driving the arc plates 23 fixedly connected with them to approach each other, completing the clamping and fixing of the cable, and then completing the fixation of the clamping device and the telescopic device, the cable joints can be firmly overlapped, ensuring that the joints are not easily disconnected, thereby playing a protective role.

[0043] Working principle: when it is necessary to carry out clamping protection on the first cable end 1 and the first cable end 28, the first protective clamping plate 3 and the second protective clamping plate 4 are pushed closer to each other, and the triangular clamping block 10 slides along the inclined surface of the truncated cone type fixed block 14, driving the telescopic column 26 fixedly connected to the triangular clamping block 10 to move up and down, and the up and down movement of the telescopic column 26 drives the first circular limit block 9 fixedly sleeved therewith to move up and down, thereby driving the first spring 8 fixedly connected to the first circular limit block 9 to contract inside the second circular groove 7. When the triangular clamping block 10 slides to the right side of the truncated cone type fixed block 14, the rebound force of the first spring 8 will clamp the truncated cone type fixed block 14 to the inside of the third circular groove 11. When the device needs to be removed, it is only necessary to continue to push the second protective clamping plate 4 to the left, and the triangular clamping block 10 moves to the right end on the inclined surface of the sliding block 16. Then push the second protective clamping plate 4 to the right, the sliding block 16 slides to the left on the surface of the sliding column 13 into the inside of the truncated cone-shaped groove 15, and continues to push to the right, the triangular clamping block 10 can slide out from the inclined surface of the sliding block 16, so that the cable head protection device is easy to install and disassemble, and the setting of the protective shell 24 and the protective groove 25 can avoid water seepage on rainy days and extend the service life of the cable. Then fix the clamping device and the telescopic device, rotate the two threaded rods 17, the two threaded rods 17 approach each other, drive the U-shaped top block 22 that is fitted with them to approach each other, and the two U-shaped top blocks 22 approach each other, drive the arc plate 23 fixedly connected to them to approach each other, complete the clamping and fixing of the cable, and then complete the fixing of the clamping device and the telescopic device, the cable joints can be firmly overlapped, ensuring that the joints are not easily disconnected, thereby playing a protective role.

[0044] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A cable head protection device, comprising a first cable head (1) and a second cable head (28), characterized in that: The outer surfaces of the first cable head (1) and the second cable head (28) are respectively covered with a first protective sleeve (2) and a second protective sleeve (29); the right end of the first protective sleeve (2) is fixedly connected to a first protective clamping plate (3); and a through hole having the same inner diameter as the first protective sleeve (2) is provided on the left surface of the first protective clamping plate (3) at a position corresponding to the first protective sleeve (2); The first protective clamping plate (3) is symmetrically provided with first circular grooves (6) at the upper and lower ends, and telescopic devices are arranged inside the two first circular grooves (6), and the two telescopic devices are arranged in a mirror image. The right end of the first protective clamping plate (3) is symmetrically provided with a third circular groove (11), and the bottoms of the two first circular grooves (6) are communicated with the third circular groove (11); The left side of the second protective sleeve (29) is fixedly connected to a second protective clamping plate (4); the right end of the second protective clamping plate (4) is provided with a through hole communicating with the inner diameter of the second protective sleeve (29) at a position corresponding to the second protective sleeve (29); and the left end of the second protective clamping plate (4) is provided with a clamping device at a position corresponding to the telescopic device; The second protective sleeve (29) is fixedly connected to a fixing plate (5) at one end away from the second protective clamping plate (4); a through hole communicating with the inner diameter of the second protective sleeve (29) is provided at the right end of the fixing plate (5); two fourth circular grooves (18) are symmetrically provided at the upper and lower ends of the fixing plate (5); fixing devices are provided inside the four fourth circular grooves (18), and the upper and lower fixing devices are arranged in a mirror image; The right end of the first protective snap-in plate (3) is fixedly connected to a protective shell (24), and the left end of the second protective snap-in plate (4) is provided with a protective groove (25) matching the protective shell (24) at a position corresponding to the protective shell (24).

2. A cable head protection device according to claim 1, characterized in that: The telescopic device comprises a telescopic column (26), the telescopic column (26) is slidably connected to the inside of the first circular groove (6), a second circular groove (7) is provided inside the first circular groove (6), and the diameter of the second circular groove (7) is greater than the diameter of the first circular groove (6); The lower end of the telescopic column (26) is fixedly connected to a triangular clamping block (10); the outer surface of the telescopic column (26) is fixedly sleeved with a first circular stopper (9) near the upper side of the triangular stopper (10); the first circular stopper (9) is slidably connected to the inside of the second circular groove (7); the upper end of the first circular stopper (9) is fixedly connected to a first spring (8); the first spring (8) is movably sleeved on the outer surface of the telescopic column (26); and one end of the first spring (8) away from the first circular stopper (9) is fixedly connected to the inner upper end of the second circular groove (7).

3. A cable head protection device according to claim 1, characterized in that: The clamping device comprises a fixed column (12), the fixed column (12) being fixedly mounted at a position of the left end of the second protective clamping plate (4) corresponding to the third circular groove (11), the left end of the fixed column (12) being fixedly connected to a sliding column (13), the outer surface of the sliding column (13) being slidably connected to a sliding block (16), and the end of the sliding column (13) away from the fixed column (12) being fixedly connected to a truncated cone-shaped fixing block (14).

4. A cable head protection device according to claim 3, characterized in that: The right end of the truncated cone-shaped fixed block (14) is provided with a truncated cone-shaped groove (15) adapted to the left end of the sliding block (16).

5. The cable head protection device according to claim 1, characterized in that: The fixing device comprises two second circular limiting columns (19), the two second circular limiting columns (19) are both slidably connected inside the fourth circular groove (18), the bottom ends of the two second circular limiting columns (19) are fixedly connected to a push rod (21), the bottom end of the push rod (21) passes through the bottom of the fourth circular groove (18) and is fixedly connected to a U-shaped top block (22), and the bottom end of the U-shaped top block (22) is fixedly connected to an arc plate (23).

6. A cable head protection device according to claim 5, characterized in that: A rectangular groove (27) adapted to the U-shaped top block (22) is provided inside the fixing plate (5), and the U-shaped top block (22) is slidably connected inside the rectangular groove (27).

7. A cable head protection device according to claim 5, characterized in that: Two threaded rods (17) are threadedly connected at the middle positions of the upper and lower ends of the fixing plate (5), and the ends of the two threaded rods (17) close to each other extend into the interior of the rectangular groove (27), and the ends of the two threaded rods (17) close to each other are fitted with the U-shaped top block (22).

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