Cable joint convenient to splice

Abstract

The utility model relates to the technical field of cables, in particular to a cable joint convenient to splice, which comprises a connecting cylinder, at least two fixed clamping plate assemblies used for clamping a cable are arranged in the connecting cylinder, and the two fixed clamping plate assemblies are oppositely arranged to form a clamping space for clamping the cable. The connecting cylinder is further provided with at least one driving part used for driving the fixing clamping plate assembly to move in the radial direction of the connecting cylinder, the driving parts are connected with the fixing clamping plate assembly, the two ends of the connecting cylinder are detachably connected with sealing covers, the sealing covers are provided with through holes for cables to penetrate through, and the inner circumferential faces of the through holes are provided with sealing rings. According to the utility model, a sealed space can be formed to seal the cable splicing part while the cable is fixed and spliced, so that a protection effect is achieved, and potential safety hazards caused by electric leakage at the cable splicing part or water entering the cable splicing part are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, and more particularly to a cable joint which is convenient for splicing. Background Art

[0002] A cable is a conductor with an insulating layer and a protective sheath, composed of multiple insulated conductors. It is often installed in the air, underground, or underwater for telecommunications or power transmission and is widely used. During the installation and laying of cables, cable connectors are often used to connect the cables to each other. However, commonly used cable connectors do not seal well with the outside world during actual use, making it easy for water to enter. This affects the cable's performance and can pose safety hazards. Accidental contact with the cable connection can cause electric shock and other hazards.

[0003] There is a Chinese utility model with the publication number CN215580311U, which discloses a cable connector for electrical engineering that can quickly connect cables, including a connector housing, with fixing caps provided on the left and right sides of the connector housing, the connector housing including a base material layer, a wear-resistant layer fixedly connected to the top of the base material layer, an anti-corrosion layer fixedly connected to the top of the wear-resistant layer, and a high-temperature resistant layer fixedly connected to the bottom of the base material layer.

[0004] In the above technical solution, both ends of the fixing cap are in an open state, which cannot prevent the entry of external water and fingers, and may easily cause accidents such as cable short circuit and electric shock to human body, posing a safety hazard and affecting the normal use of the cable. Utility Model Content

[0005] In order to solve the problem that the existing technology cannot achieve sealing protection for cable connections, the utility model provides a cable connector that is easy to splice. While fixing the spliced ​​cables, it can also form a closed space to seal the cable splicing points, thereby playing a protective role and avoiding safety hazards such as leakage or water entering the cable splicing points.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is: a cable connector that is easy to splice, including a connecting tube, a fixed clamping plate assembly for clamping the cable is arranged inside the connecting tube, and at least two fixed clamping plate assemblies are provided. The two fixed clamping plate assemblies are arranged relative to each other to form a clamping space for clamping the cable. The connecting tube is also provided with a driving member for driving the fixed clamping plate assembly to move radially along the connecting tube, and the driving member is connected to the fixed clamping plate assembly. There is at least one driving member, and both ends of the connecting tube are detachably connected with a cover, and the cover is provided with a through hole for the cable to pass through, and the inner circumferential surface of the through hole is provided with a sealing ring.

[0007] In this technical solution, when it is necessary to fix the cable, first insert a section of the cable from one end of the connecting tube and pass it out from the other end of the connecting tube. Then, after the other section of the cable is docked with the cable, use electrical tape to connect the two sections of the cable. Then, pull the cable so that the connection between the two sections of the cable enters the connecting tube. The connecting tube surrounds the corridor connection and protects the cable connection. When the cable is subjected to tension along its length, the electrical tape has a weak fixing effect on the cable along the length, and it is easy for the two sections of the cable to be broken at the connection. Therefore, it is necessary to set up a device outside to enhance the fixing effect along the length of the cable. A fixed splint assembly is provided in the connecting tube. The fixed splint assembly can contact the cables at both ends of the connection at the same time. There are at least two fixed splint assemblies. The two fixed splint assemblies clamp the cable together. The friction force generated by the fixed splint assembly clamping the cable offsets the tension along the length of the cable. A driving member is also provided. The driving member can drive the fixed splint assembly to move radially along the connecting tube. When the cable needs to pass through, the driver drives the fixed clamp assembly to move toward the wall of the connecting tube to expand the clamping space formed between the two fixed clamp assemblies, making it easier for the cable to pass through. After the cable is moved to the preset position, the driver drives the fixed clamp assembly to move toward the axial center of the connecting tube to reduce the clamping space formed between the two fixed clamp assemblies, ultimately causing the two fixed clamp assemblies to clamp the cable to restrict cable movement. In order to leave space for placing the fixed clamp assembly, the inner diameter of the connecting tube needs to be larger than the diameter of the cable, which results in a gap between the connecting tube and the outer wall of the cable. External water can enter the cable connection through the gap, causing cable failure, and there is also a risk that the human body may accidentally reach into the cable connection through the gap, causing electric shock. Therefore, covers are also provided at both ends of the connecting tube. The covers seal the gap between the connecting tube and the cable, isolating the cable connection from the outside world. The covers are provided with connection holes for the cable to pass through, leaving space for installing the cable. However, it is difficult for the connection hole to completely match the outer wall of the cable, and water may still enter the connection tube through the connection hole. Therefore, a sealing ring needs to be provided in the hole wall of the connection hole to enhance the sealing.

[0008] Preferably, a clamping device is further provided at the connection between the connecting cylinder and the sealing cover.

[0009] Preferably, the clamping device includes a clamping member and a clamping frame, the clamping member is fixed on the outer wall surface of the cover, and the clamping frame is installed on the outer wall surface of the connecting tube. A protrusion is provided on one end of the clamping member close to the connecting tube, and the protrusion extends into the clamping frame and abuts against a side of the clamping frame away from the cover.

[0010] Preferably, it also includes a fixing nail, and a fixing hole is provided at one end of the clamping frame close to the connecting tube. The fixing nail is fixed to the outer wall surface of the connecting tube through the fixing hole. An elastic part is mounted on the fixing nail, and the two ends of the elastic part are respectively in contact with the nail head of the fixing nail and the clamping frame, and the clamping frame is slidably connected to the fixing nail.

[0011] Preferably, a surface of the protrusion facing the clamping frame is a first oblique wedge surface, and a surface of the clamping frame facing the clamping member is a second oblique wedge surface, and the first oblique wedge surface and the second oblique wedge surface can be connected in an oblique wedge manner.

[0012] Preferably, the fixed splint assembly includes a connecting rod and a splint, the connecting rod is parallel to the length direction of the connecting tube, at least two splints are provided, and the two splints are respectively fixed to the two ends of the connecting rod, and the connecting rod is connected to the driving member.

[0013] Preferably, the driving member is a driving member, the lower end of the driving member is rotatably connected to the connecting rod, a threaded hole is provided on the wall of the connecting tube, the threaded hole is threadedly connected to the driving member, and the driving member extends out from the outer wall surface of the connecting tube.

[0014] Preferably, it also includes a limiter for limiting the rotation of the connecting rod, and there is at least one limiter, which is a U-shaped groove structure. The U-shaped groove structure is fixed on the inner wall surface of the connecting cylinder, and the connecting rod is located in the groove of the U-shaped groove.

[0015] Preferably, a socket portion is provided on one end of the cover connected to the connecting tube, and socket portions are provided at both ends of the connecting tube, and the socket portions can be inserted into the socket portion.

[0016] Preferably, a second sealing ring is further provided at the connection between the sealing cover and the connecting cylinder.

[0017] Compared with the prior art, the present invention offers the following advantages: By providing covers at both ends of the connecting barrel, an enclosed space is formed, protecting the cable connection within the barrel. Sealing rings are provided within the connection holes of the covers, enhancing the sealing effect. A fixed clamping plate assembly is provided to clamp the cable, generating friction that helps secure the cable and prevent the cable connection from breaking. A drive member is provided to drive the fixed clamping plate assembly to move radially along the barrel, loosening or clamping the cable and accommodating cables of varying diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a half-section diagram of the utility model's cable connector that is easy to splice;

[0019] Figure 2 yes Figure 1 Enlarged view of point A in the middle;

[0020] Figure 3 It is a three-dimensional diagram of a fixing clamping plate assembly of a cable connector that is easy to splice according to the utility model.

[0021] In the accompanying drawings: 1. Connecting tube; 2. Fixed splint assembly; 3. Cover; 4. Sealing ring; 5. Clamping device; 6. Second sealing ring; 11. Threaded hole; 12. Socket portion; 21. Connecting rod; 22. Splint; 23. Driving member; 24. Limiting member; 31. Connecting hole; 32. Socket portion; 51. Clamping member; 52. Clamping frame; 53. Protrusion; 54. Fixing nail; 55. Elastic member; 56. First inclined wedge surface; 57. Second inclined wedge surface. DETAILED DESCRIPTION

[0022] The drawings are for illustrative purposes only and should not be construed as limiting this patent. To better illustrate the embodiments, some components in the drawings may be omitted, enlarged, or reduced in size, and do not represent actual product dimensions. Those skilled in the art will understand that some well-known structures and their descriptions may be omitted from the drawings. The positional relationships depicted in the drawings are for illustrative purposes only and should not be construed as limiting this patent.

[0023] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc. indicating directions or positional relationships, they are based on the directions or positional relationships shown in the drawings. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0024] The technical solution of the present invention is further described in detail below through specific embodiments and in conjunction with the accompanying drawings:

[0025] Example 1

[0026] like Figure 1As shown, a cable connector that is easy to splice includes a connecting tube 1, wherein a fixed splint assembly 2 for clamping a cable is provided inside the connecting tube 1, and at least two fixed splint assemblies 2 are provided. The two fixed splint assemblies 2 are arranged relative to each other to form a clamping space for clamping the cable. The connecting tube 1 is also provided with a driving member 23 for driving the fixed splint assembly 2 to move radially along the connecting tube 1, and the driving member 23 is connected to the fixed splint assembly 2. There is at least one driving member 23. The two ends of the connecting tube 1 are detachably connected with a cover 3, and the cover 3 is provided with a through hole 31 for the cable to pass through. The inner circumference of the through hole 31 is provided with a sealing ring 4. When it is necessary to fix the cable, first insert a section of the cable from one end of the connecting tube 1 and pass it out from the other end of the connecting tube 1, and then use electrical tape to connect the two sections of the cable after the other section of the cable is docked with the cable, and then pull the cable so that the connection between the two sections of the cable enters the connecting tube 1. The connecting tube 1 surrounds the corridor connection and protects the cable connection. When the cable is subjected to tension along its length, the electrical tape has a weaker fixing effect on the cable along its length, and the two sections of cable are easily broken at the connection. Therefore, it is necessary to set up a device outside to enhance the fixing effect along the length of the cable. A fixed splint assembly 2 is provided in the connecting tube 1. The fixed splint assembly 2 can contact the cables at both ends of the connection at the same time. There are at least two fixed splint assemblies 2. The two fixed splint assemblies 2 clamp the cable together, and the friction force generated by the fixed splint assembly 2 clamping the cable offsets the tension along the length of the cable. A driving member 23 is also provided. The driving member 23 can drive the fixed splint assembly 2 to move radially along the connecting tube 1. When the cable needs to pass through, the driving member 23 drives the fixed splint assembly 2 to move toward the wall of the connecting tube 1 to expand the clamping space formed between the two fixed splint assemblies 2 to facilitate the passage of the cable. When the cable is moved to the preset position, the driving member 23 drives the fixed clamping plate assembly 2 to move toward the axial direction of the connecting tube 1 to reduce the clamping space formed between the two fixed clamping plate assemblies 2, and finally the two fixed clamping plate assemblies 2 clamp the cable to limit the movement of the cable. In order to leave space for placing the fixed clamping plate assembly 2, the inner diameter of the connecting tube 1 needs to be larger than the diameter of the cable, which results in a gap between the connecting tube 1 and the outer wall of the cable. External water can enter the cable connection through the gap and cause cable failure. There is also a risk that the human body may accidentally reach into the cable connection through the gap and cause electric shock. Therefore, a cover 3 is also provided at both ends of the connecting tube 1. The cover 3 seals the gap between the connecting tube 1 and the cable and isolates the cable connection from the outside world. A connection hole for the cable to pass through is provided on the cover 3, leaving space for installing the cable. However, it is difficult for the connection hole to completely match the outer wall of the cable, and water may still enter the connecting tube 1 from the connection hole. Therefore, a sealing ring 4 needs to be provided in the hole wall of the connection hole to enhance the sealing performance.

[0027] like Figure 1As shown, a clamping device 5 is also provided at the connection between the connecting tube 1 and the cover 3. In order to facilitate observation of whether the cable is fixed by the fixing clamping assembly 2 in the connecting tube 1, a gap should be left to observe the inside of the connecting tube 1. Therefore, the cover 3 cannot be fixed directly on the connecting tube 1. Instead, the cable is first passed through the cover 3 and then inserted into the connecting tube 1. After confirming that the cable is firmly clamped by the fixing clamping assembly 2 in the connecting tube 1, the cover 3 is fixed to the end of the connecting tube 1 to achieve sealing. In order to complete the fixation between the connecting tube 1 and the cover 3, a clamping device 5 needs to be provided at the connection between the connecting tube 1 and the cover 3. The clamping device 5 can achieve a quick and stable connection between the connecting tube 1 and the cover 3.

[0028] like Figure 2 As shown, the clamping device 5 includes a clamping member 51 and a clamping frame 52. The clamping member 51 is fixed to the outer wall of the cover 3, and the clamping frame 52 is mounted on the outer wall of the connecting tube 1. A protrusion 53 is provided on the upper end of the clamping member 51, which is closer to the connecting tube 1. The protrusion 53 extends into the clamping frame 52 and abuts against the side of the clamping frame 52 facing away from the cover 3. To secure the cover 3 to the short portion of the connecting tube 1, the clamping member 51 is simply aligned with the clamping frame 52 and then moved toward the connecting tube 1 until the cover 3 abuts the end of the connecting tube 1. The clamping member 51 can have a certain degree of elasticity, so that it can be deformed to a certain extent and return to the original state. As the cover 3 moves toward the connecting tube 1, the clamping member 51 and the clamping frame 52 also approach each other, with the protrusion 53 on the end of the clamping member 51, which is closer to the connecting tube 1, first contacting the clamping frame 52. Under the pressure of the clamping frame 52, the clamping member 51 is deformed, allowing the protrusion 53 to pass through the clamping frame 52. After the protrusion 53 passes through the clamping frame 51, the deformation of the clamping member 51 is restored, and the protrusion 53 abuts against the side of the clamping frame 52 away from the cover 3, so that the protrusion 53 cannot be pulled out of the clamping frame 52, thereby achieving a clamping and fixing effect.

[0029] like Figure 2As shown, the clamping frame 52 further includes a fixing pin 54. A fixing hole is provided at one end of the clamping frame 52 near the connecting tube 1. The fixing pin 54 passes through the fixing hole and is fixed to the outer wall of the connecting tube 1. An elastic member 55 is mounted on the fixing pin 54. The two ends of the elastic member 55 respectively abut the pin head of the fixing pin 54 and the clamping frame 52, and the clamping frame 52 is slidably connected to the fixing pin 54. The clamping member 51 can also be non-elastic. In this case, the clamping frame 52 needs to move along the radial direction of the connecting tube 1 to adapt to the protrusion 52 on the clamping member 51. The clamping frame 52 has a fixing hole at one end of the clamping frame 52 near the connecting tube 1. The fixing pin 54 passes through the fixing hole and is fixed to the outer wall of the connecting tube 1. The fixing pin 54 is used to fix the clamping frame 52 and limit its movement direction. When the protrusion 53 moves to the position of the clamping frame 52, the clamping frame 52 is pushed by the protrusion 53 and moves along the length of the fixing pin 54. An elastic member 55 is also sleeved over the fixing pin 54. The two ends of the elastic member 55 respectively abut against the head of the fixing pin 54 and the clamping frame 52. As the clamping frame 51 moves on the fixing pin 54, the elastic member 55 is compressed. After the protrusion 53 passes through the clamping frame 52, the clamping frame 52 returns to its original position under the action of the elastic member 55, preventing the protrusion 53 from being pulled out of the clamping frame 53, thus achieving a clamping fixation.

[0030] like Figure 2 As shown, the side of the protrusion 53 facing the clamping frame 52 is a first beveled wedge surface 56, and the side of the clamping frame 52 facing the clamping member 51 is a second beveled wedge surface 57. The first beveled wedge surface 56 and the second beveled wedge surface 57 can be connected by an oblique wedge. The first beveled wedge surface 56 and the second beveled wedge surface 57 are parallel and both are inclined with respect to the axial direction of the connecting tube 1. When the first beveled wedge surface 56 and the second beveled wedge surface 57 come into contact, a thrust perpendicular to the first beveled wedge surface 56 is generated. This thrust can be decomposed into a force along the radial direction of the connecting tube 1. The direction of this force is the same as the direction in which the clamping member 51 can move. As a result, as the protrusion 53 is pushed, the clamping frame 52 also moves to allow the protrusion 53 to pass through.

[0031] Example 2

[0032] This embodiment is similar to the above embodiment 1, except that Figure 3As shown, the fixed clamp assembly 2 includes a connecting rod 21 and a clamp 22. The connecting rod 21 is parallel to the length direction of the connecting tube 1. There are at least two clamps 22, and the two clamps 22 are respectively fixed to the two ends of the connecting rod 21. The connecting rod 21 is connected to the driving member 23. The relative position between the two clamps 22 is determined by the connecting rod 21. The two clamps 22 respectively clamp the two sections of the cable, generating friction with the cable, so that the cable cannot move relative to the clamp 22, thereby determining the relative position of the two sections of the cable, making the connection between the two sections of the cable stable and not easily broken. The connecting rod 21 is connected to the driving member 23, and the driving member 23 drives the connecting rod 21 to move and thereby drives the two clamps 22 to move simultaneously.

[0033] like Figure 3 As shown, the driver 23 is a driving member. The lower end of the driver 23 is rotatably connected to the connecting rod 21. The wall of the connecting tube 1 is provided with a threaded hole 11, which is threadedly connected to the driver 23. The driver 23 extends from the outer wall of the connecting tube 1. The connecting rod 21 can be adjusted radially along the connecting tube 1 to accommodate cables of different diameters. Each driver 23 is rotatably connected to the connecting rod 21. The driver 23 is threadedly connected to the threaded hole 11 on the wall of the connecting tube 1. The driver 23 protrudes from the outer wall of the connecting tube 1. During use, the protruding portion of the driver 23 can be rotated to adjust the insertion depth of the driver 23 into the connecting tube 1, thereby adjusting the position of the connecting rod 21 and the clamping plate 22 to accommodate cables of different diameters and to tighten or loosen the cable.

[0034] like Figure 3 As shown, it also includes a limiter 24 for limiting the rotation of the connecting rod 21. At least one limiter 24 is provided. The limiter 24 is a U-shaped groove structure. The U-shaped groove structure is fixed to the inner wall surface of the connecting tube 1, and the connecting rod 21 is located in the groove of the U-shaped groove. When the driving member 23 rotates, it is possible to drive the connecting rod 21 to rotate together, thereby causing the position of the clamping plate 22 located on the connecting rod 21 to shift. Therefore, it is necessary to set a structure to limit the rotation of the connecting rod 21. The limiter 24 is a U-shaped groove structure. The bottom of the U-shaped groove structure is fixed to the inner wall surface of the connecting tube 1. The connecting rod 21 is installed in the U-shaped groove. When the connecting rod 21 rotates, it will conflict with the groove wall of the U-shaped groove, thereby limiting the rotation of the connecting rod 21, so that the connecting rod 21 moves along a fixed direction.

[0035] Example 3

[0036] This embodiment is similar to the above embodiment 1, except that Figure 1As shown, the cover 3 is provided with a socket portion 32 at one end connected to the connecting tube 1, and the connecting tube 1 is provided with a socket portion 12 at both ends, and the socket portion 12 can be inserted into the socket portion 32. The cover 3 and the connecting tube 1 are plugged into each other through the socket portion 32 and the socket portion 12, which makes the connection between the cover 3 and the connecting tube 1 more stable and inherently better sealed. At the same time, it also ensures that the cover 3 and the connecting tube 1 are coaxial, and the cover 3 will not be offset in the radial direction of the connecting tube 1.

[0037] like Figure 1 As shown, a second sealing ring 6 is further provided at the connection between the cover 3 and the connecting cylinder 1. The second sealing ring 6 enhances the sealing performance of the connection between the cover 3 and the connecting cylinder 1.

[0038] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. A person skilled in the art will be able to make other variations or modifications based on the above description. It is not necessary and impossible to enumerate all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. A cable connector that is easy to splice, characterized in that: The invention comprises a connecting tube (1), wherein a fixing clamping plate assembly (2) for clamping a cable is provided inside the connecting tube (1), and at least two fixing clamping plate assemblies (2) are provided, and the two fixing clamping plate assemblies (2) are arranged relative to each other to form a clamping space for clamping the cable. The connecting tube (1) is also provided with a driving member (23) for driving the fixing clamping plate assembly (2) to move radially along the connecting tube (1), and the driving member (23) is connected to the fixing clamping plate assembly (2), and at least one driving member (23) is provided. Both ends of the connecting tube (1) are detachably connected with a cover (3), and a through hole (31) is provided on the cover (3) for the cable to pass through, and a sealing ring (4) is provided on the inner peripheral surface of the through hole (31).

2. A cable connector that is easy to splice according to claim 1, characterized in that: A clamping device (5) is also provided at the connection between the connecting cylinder (1) and the sealing cover (3).

3. A cable connector that is easy to splice according to claim 2, characterized in that: The clamping device (5) comprises a clamping member (51) and a clamping frame (52), wherein the clamping member (51) is fixed to the outer wall surface of the cover (3), and the clamping frame (52) is mounted on the outer wall surface of the connecting tube (1), and a protrusion (53) is provided on one end of the clamping member (51) close to the connecting tube (1), and the protrusion (53) extends into the clamping frame (52) and abuts against a side surface of the clamping frame (52) away from the cover (3).

4. A cable connector for easy splicing according to claim 3, characterized in that: The invention also includes a fixing nail (54), and a fixing hole is provided at one end of the clamping frame (52) close to the connecting tube (1). The fixing nail (54) passes through the fixing hole and is fixed to the outer wall surface of the connecting tube (1). An elastic member (55) is sleeved on the fixing nail (54), and the two ends of the elastic member (55) are respectively in contact with the nail head of the fixing nail (54) and the clamping frame (52), and the clamping frame (52) is slidably connected to the fixing nail (54).

5. The cable connector according to claim 3, characterized in that: The side of the protrusion (53) facing the clamping frame (52) is a first oblique wedge surface (56), and the side of the clamping frame (52) facing the clamping member (51) is a second oblique wedge surface (57). The first oblique wedge surface (56) and the second oblique wedge surface (57) can be connected in an oblique wedge manner.

6. The cable connector for easy splicing according to claim 1, characterized in that: The fixed splint assembly (2) comprises a connecting rod (21) and a splint (22), wherein the connecting rod (21) is parallel to the length direction of the connecting tube (1), and at least two splints (22) are provided, and the two splints (22) are respectively fixed to the two ends of the connecting rod (21), and the connecting rod (21) is connected to the driving member (23).

7. A cable connector for easy splicing according to claim 6, characterized in that: The driving member (23) is a driving member, the lower end of which is rotatably connected to the connecting rod (21), a threaded hole (11) is provided on the wall of the connecting cylinder (1), the threaded hole (11) is threadedly connected to the driving member (23), and the driving member (23) extends out from the outer wall of the connecting cylinder (1).

8. The cable connector for easy splicing according to claim 6, characterized in that: The invention also includes a limiting member (24) for limiting the rotation of the connecting rod (21), wherein at least one limiting member (24) is provided, and the limiting member (24) is a U-shaped groove structure, wherein the U-shaped groove structure is fixed on the inner wall surface of the connecting cylinder (1), and the connecting rod (21) is located in the groove of the U-shaped groove.

9. The cable connector for easy splicing according to claim 1, characterized in that: The sealing cover (3) is provided with a socket portion (32) at one end connected to the connecting tube (1), and both ends of the connecting tube (1) are provided with socket portions (12), and the socket portions (12) can be inserted into the socket portions (32).

10. The cable connector for easy splicing according to claim 1, characterized in that: A second sealing ring (6) is also provided at the connection between the sealing cover (3) and the connecting tube (1).

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