Novel power line plug

Abstract

The novel power line plug provided by the utility model comprises a metal shell and a plug, the head of the metal shell is connected with a fixing cap, the plug is inserted into the fixing cap, one end of the fixing cap, which is far away from the metal shell, is provided with a guide clamping plate, the plug is provided with a corresponding limiting groove at the position of the guide clamping plate, and the limiting groove is inserted into the metal shell. The end, away from the metal shell, of the fixing cap is connected with a connecting sleeve in a clamped mode through a clamping spring, the tail of the metal shell is sequentially provided with a clamping sleeve and a fastening sleeve, and the outer side of the clamping sleeve is sleeved with a spring protection sleeve. According to the power line plug, the spring protection sleeve is arranged at the tail part of the metal shell, so that the connecting part of the power line and the plug is not easy to break in the swinging process, the plug connected with the fixing cap is arranged at the head part of the metal shell, and the connecting sleeve capable of freely rotating is arranged at the outer sides of the fixing cap and the plug and is in threaded fit connection with the fixing cap and the plug; and the connection between the plugs is more stable.

Description

Technical Field

[0001] The utility model belongs to the technical field of power cord plugs, and in particular relates to a novel power cord plug. Background Art

[0002] Cable plug, also known as terminal head, connector or terminal box, is a device used to connect and terminate cables. It connects, branches and converts power or signals in power systems, communication networks and electrical engineering. Cable connectors are widely used in power systems and electrical engineering, such as residential, commercial buildings, factories, substations and underground cable systems. They are an indispensable part of power transmission and signal transmission, ensuring the safety and reliability of the power system. Therefore, cables are generally called power cords.

[0003] At present, when the connector of the power cord is in use, there is no protective structure between the plug and the power cord, which leads to the situation that the connection between the power cord and the plug is easy to break, resulting in the circuit being out of power, affecting normal use; in addition, most of the existing plugs are connected by simply plugging the two plugs together when in use. This connection method is not stable and the plugs are easy to fall off when they are touched, affecting normal use. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing power cord plug has no protection between the plug and the power cord during use, which leads to the situation that the connection between the power cord and the plug is easy to break, thereby causing the circuit to be unable to power on, and the plugs are only connected by plugging, which is not stable and easy to fall off.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is: a new type of power cord plug, including a metal shell and a plug, one end of the metal shell is connected to the plug, the head of the metal shell is connected to a fixing cap, the plug is plugged into the inside of the fixing cap, the fixing cap is located at the end away from the metal shell and is provided with a guide card plate, the plug is located at the guide card plate and is provided with a corresponding limit groove, the fixing cap is located at the end away from the metal shell and is clamped with a connecting sleeve through a retaining spring, the tail of the metal shell is sequentially provided with a clamping sleeve and a fastening sleeve, and the outer side of the clamping sleeve is provided with a spring protection sleeve.

[0006] As an improvement, a plurality of annular anti-slip grooves are provided on the surface of the metal shell.

[0007] As an improvement, the metal shell is connected to the fixing cap via threads, and one end of the metal shell abuts against a plug inserted into the fixing cap.

[0008] As an improvement, the plug is made of plastic and is provided with a plurality of plug holes, and wiring pieces are provided inside the plug holes.

[0009] As an improvement, the fixing cap is provided with an inwardly bent blocking ring at the guide card plate, and the plug is provided with a limiting ring matching the internal shape of the fixing cap at one side of the limiting groove, and one side of the limiting ring is against the blocking ring.

[0010] As an improvement, corresponding grooves are provided at the clamping points of the fixing cap and the connecting sleeve with the retaining spring, and the fixing cap and the connecting sleeve are rotatably connected via the retaining spring, an internal thread is provided at one end of the connecting sleeve away from the fixing cap, and the connecting sleeve is provided with multiple anti-sliding blocks perpendicular to the direction of the internal thread.

[0011] As an improvement, the clamping sleeve and the fastening sleeve are arranged in a stepped manner, and the diameter of the clamping sleeve is larger than the diameter of the fastening sleeve. The outer side of the clamping sleeve is plugged into the spring protection sleeve through a threaded line.

[0012] As an improvement, the fastening sleeve is fixedly connected to the external power line by means of hydraulic locking, and a plurality of fixing holes are arranged on the outer side of the fastening sleeve.

[0013] As an improvement, the inner diameter of one end of the spring protective sleeve is the same as the inner diameter of the clamping sleeve, and the inner diameter of the other end is the same as the diameter of the external power cord, and the diameter of the spring protective sleeve gradually decreases from one end of the clamping sleeve to the other end, and the length of the spring protective sleeve is greater than twice the length of the clamping sleeve and the fastening sleeve.

[0014] The advantages of the utility model compared with the prior art are:

[0015] 1. The power cord plug is provided with a spring protective cover at the tail of the metal shell to protect the plug and the power cord, so that the connection between the power cord and the plug is not easy to break during the swinging process, thereby effectively extending the service life of the power cord and the plug;

[0016] 2. The power cord plug is connected to a plug by setting a fixed cap on the head of the metal shell, and a freely rotatable connecting sleeve is set on the outside of the fixed cap and the plug, and is connected to the other plug through the internal thread on one side of the connecting sleeve through threaded cooperation, so that the connection between the plugs is more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a structural diagram of a novel power cord plug.

[0018] Figure 2 The utility model is an exploded structural diagram of a novel power cord plug.

[0019] Figure 3The utility model is a structural diagram of a connection sleeve of a new type of power cord plug.

[0020] Figure 4 The utility model discloses a structural diagram of a fixing cap and a wiring plug of a novel power cord plug.

[0021] Figure 5 The utility model is a structural diagram of a fixing cap and a connecting sleeve of a novel power cord plug.

[0022] As shown in the figure: 1. Metal shell; 2. Plug; 3. Fixing cap; 4. Guide card plate; 5. Limiting groove; 6. Circlip; 7. Connecting sleeve; 8. Snap sleeve; 9. Fastening sleeve; 10. Spring protection sleeve; 11. Anti-slip groove; 12. Multiple plug holes; 13. Wiring piece; 14. Blocking ring; 15. Limiting ring; 16. Card slot; 17. Internal thread; 18. Anti-sliding block; 19. Thread line; 20. Multiple fixing holes DETAILED DESCRIPTION

[0023] 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.

[0024] In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0025] Embodiment 1:

[0026] As the instruction manual Figure 1-3As shown, a novel power cord plug 2 includes a metal shell 1 and a plug 2. The surface of the metal shell 1 is provided with a plurality of annular anti-skid grooves 11. The anti-skid grooves 11 make the metal shell 1 feel better and convenient to take. The head of the metal shell 1 is connected with a fixing cap 3. The metal shell 1 and the fixing cap 3 are connected by threads to ensure the tightness of the connection. The tail of the metal shell 1 is provided with a clamping sleeve 8 and a fastening sleeve 9 in sequence. The clamping sleeve 8 and the fastening sleeve 9 are arranged in a stepped manner, and the diameter of the clamping sleeve 8 is larger than the diameter of the fastening sleeve 9. The fastening sleeve 9 is fixedly connected to the external power line by hydraulic locking, and the outer side of the fastening sleeve 9 A plurality of fixing holes 20 are provided, and the internal power cord can be fixed by screwing in bolts at the plurality of fixing holes 20. The outer side of the clamping sleeve 8 is plugged into the spring protection sleeve 10 through a threaded line 19. The outer side of the clamping sleeve 8 is sleeved with a spring protection sleeve 10. The inner diameter of one end of the spring protection sleeve 10 is the same as the inner diameter of the clamping sleeve 8, and the inner diameter of the other end is the same as the diameter of the external power cord. The diameter of the spring protection sleeve 10 gradually decreases from one end of the clamping sleeve 8 to the other end. The length of the spring protection sleeve 10 is greater than twice the length of the clamping sleeve 8 and the fastening sleeve 9, so that the connection between the power cord and the plug 2 is not prone to disconnection during the swinging process.

[0027] As the instruction manual Figure 4 As shown, the plug 2 is plugged into the interior of the fixing cap 3, and one end of the metal shell 1 is abutted against the plug 2 plugged into the fixing cap 3. The fixing cap 3 is provided with a guide card plate 4 at the end away from the metal shell 1, and the plug 2 is provided with a corresponding limiting groove 5 at the guide card plate 4, and the fixing cap 3 is provided with an inwardly bent blocking ring 14 at the guide card plate 4. A limiting ring 15 matching the internal shape of the fixing cap 3 is provided on one side of the limiting groove 5 of the plug 2, and one side of the limiting ring 15 is abutted against the blocking ring 14. The plug 2 is made of plastic material, and a plurality of plug holes 12 are provided on the plug 2. A wiring piece 13 is provided inside the plug hole, and one end of the wiring piece 13 is electrically connected to the power cord, and the other end is plugged into another plug 2.

[0028] As the instruction manual Figure 5 As shown, the fixing cap 3 is located at the end away from the metal shell 1 and is clamped with a connecting sleeve 7 through a retaining spring 6. Corresponding clamping grooves 16 are provided at the clamping points of the fixing cap 3 and the connecting sleeve 7 with the retaining spring 6. The fixing cap 3 and the connecting sleeve 7 are rotatably connected through the retaining spring 6. An internal thread 17 is provided at the end of the connecting sleeve 7 away from the fixing cap 3, and the connecting sleeve 7 is provided with a plurality of anti-sliding blocks 18 perpendicular to the direction of the internal thread 17. A groove and protrusion embossing process can be added to the anti-sliding block 18 to make the process of twisting and connecting more comfortable.

[0029] In the specific implementation of the utility model, the spring protection sleeve 10 is sleeved on the power cord, and then one end of the power cord is inserted from the fastening sleeve 9 of the metal shell 1, the power cord is connected to multiple wiring pieces 13 in the plug 2, and then the fixing cap 3 is plugged into the plug 2 through the guide card plate 4 and the limit groove 5, and the fixing cap 3 is connected to the head of the metal shell 1 through a thread, and then the fastening sleeve 9 and the power cord are crimped by hydraulic fastening, and the power cord is fastened from multiple fixing holes 20 by multiple bolts, and the spring protection sleeve 10 is plugged and fixed with the clamping sleeve 8, and finally the retaining spring 6 is placed in the clamping groove 16 on one side of the fixing cap 3, and one side of the connecting sleeve 7 is clamped with the retaining spring 6 to complete the assembly, and after the plug 2 is plugged into another plug 2, the internal thread 17 of the connecting sleeve 7 is connected to the matching thread 19 on the other plug 2.

[0030] The above describes the utility model and its implementation methods, which are not restrictive. The specific implementation method is only one of the implementation methods of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it, without departing from the purpose of the invention of the utility model, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the utility model.

Claims

1. A novel power cord plug, comprising a metal shell and a plug, wherein one end of the metal shell is connected to the plug, and characterized in that: The head of the metal shell is connected to a fixing cap, the plug is plugged into the inside of the fixing cap, the fixing cap is provided with a guide card plate at the end away from the metal shell, the plug is provided with a corresponding limit groove at the guide card plate, the fixing cap is provided with a connecting sleeve at the end away from the metal shell through a retaining spring, the tail of the metal shell is provided with a clamping sleeve and a fastening sleeve in sequence, and the outer side of the clamping sleeve is provided with a spring protection sleeve.

2. A novel power cord plug according to claim 1, characterized in that: A plurality of annular anti-slip grooves are arranged on the surface of the metal shell.

3. A novel power cord plug according to claim 1, characterized in that: The metal shell is connected to the fixing cap via threads, and one end of the metal shell abuts against a plug inserted into the fixing cap.

4. A novel power cord plug according to claim 1, characterized in that: The plug is made of plastic and is provided with a plurality of plug holes, wherein wiring pieces are provided inside the plug holes.

5. A novel power cord plug according to claim 1, characterized in that: The fixing cap is provided with an inwardly bent blocking ring at the guide card plate, and the plug is provided with a limiting ring matching the internal shape of the fixing cap at one side of the limiting groove, and one side of the limiting ring abuts against the blocking ring.

6. A novel power cord plug according to claim 1, characterized in that: The fixing cap and the connecting sleeve are connected with the retaining spring at the joints with corresponding retaining grooves, and the fixing cap and the connecting sleeve are rotatably connected through the retaining spring. An internal thread is provided at one end of the connecting sleeve away from the fixing cap, and the connecting sleeve is provided with a plurality of anti-sliding blocks perpendicular to the direction of the internal thread.

7. A novel power cord plug according to claim 1, characterized in that: The clamping sleeve and the fastening sleeve are arranged in a stepped manner, and the diameter of the clamping sleeve is larger than the diameter of the fastening sleeve. The outer side of the clamping sleeve is plugged with the spring protection sleeve through a thread line.

8. The novel power cord plug according to claim 1 is characterized in that: The fastening sleeve is fixedly connected to the external power line by hydraulic locking, and a plurality of fixing holes are arranged on the outer side of the fastening sleeve.

9. A novel power cord plug according to claim 1, characterized in that: The inner diameter of one end of the spring protective sleeve is the same as the inner diameter of the clamping sleeve, and the inner diameter of the other end is the same as the diameter of the external power line. The diameter of the spring protective sleeve gradually decreases from one end of the clamping sleeve to the other end, and the length of the spring protective sleeve is greater than twice the length of the clamping sleeve and the fastening sleeve.

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