Power supply extension cord with combined structure
By introducing convenient combination and storage mechanism into the power extension cable, the problem of unscalable length of the power extension cable is solved, flexible use and safety improvement is achieved, and the use of a multi-layer protection design enhances the applicability and safety of the power extension cable.
Patent Information
- Application Number
- CN202420970537.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-07
AI Technical Summary
The length of the existing power supply extension cord cannot be combined and expanded, which cannot meet the flexible needs of users in different usage environments, and there are safety hazards and leakage problems of conductive terminals.
A combined structure power extension cord is designed, including a convenient combination mechanism and a convenient storage mechanism. Through the design of connecting plugs and electrical connection boxes, users can expand the length of the wire and achieve sealing protection through rubber rings to increase safety; The aluminum foil shielding layer, metal braiding layer and wear-resistant braiding layer are used for protection.
The power supply extension cord length is achieved, which is suitable for a variety of working environments, adds safety and protection to meet user needs, and provides anti-interference and wear protection through aluminum foil shielding and wear-resistant braiding.
Smart Images
Figure CN222214637U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of power extension cords, and in particular to a power extension cord with a combined structure. Background Art
[0002] An extension cord is a cable with multiple conductors used for temporary power connections where flexibility is required. Extension cords are widely used in the operation of various types of motor tools, equipment, household appliances and machinery.
[0003] A Chinese patent discloses a new type of power extension cord, with the publication number CN214044256U. The technical solution disclosed in the patent document is as follows: it includes: a plug, a socket and a wire, the plug includes: a plug shell and a plug insert, the working end face of the plug shell is provided with a receiving groove, one side face of the receiving groove is communicated with the outside world, one end of the plug insert is hinged in the receiving groove, and the free end faces the surface of the receiving groove communicating with the outside world.
[0004] In order to solve the problem of potential safety hazards in the connection between the plug and the socket end of the existing power extension cord, the existing technology adopts a method of designing the connection to be tight and not easy to loosen and the conductive end of the connection to prevent leakage. However, there is still a situation where the length cannot be extended. Due to the flexibility of the use environment, the fixed length extension cord cannot meet the user's use needs. During the work process, the user also needs to choose power extension cords of different lengths to work, which affects the user's work. Utility Model Content
[0005] The utility model aims to provide a power extension cord with a combined structure, so as to solve the problem that the length of the power extension cord in the prior art cannot be extended by combination.
[0006] The utility model provides the following technical solution: a power extension cord with a combined structure, comprising a reference power extension cord, a convenient combination mechanism is arranged in the middle of the reference power extension cord, and convenient storage mechanisms are arranged at the top and bottom of the convenient combination mechanism.
[0007] The convenient combination mechanism includes a connecting plug 2 and an electrical connection box. The connecting plug 2 is provided in two pieces. The two connecting plugs 2 are fixedly connected to the middle of the reference power extension line. Both sides of the electrical connection box are fixedly connected with connecting plugs 1. The adjacent sides of the connecting plugs 1 and 2 are movably plugged in. A connecting cylinder No. 1 is fixedly installed on a side of the connecting plug 2 close to the electrical connection box, and a connecting cylinder No. 2 is fixedly installed on a side of the connecting plug 1 away from the electrical connection box. A rubber ring is fixedly connected to the outer wall of the connecting cylinder No. 2, and the outer wall of the rubber ring is movably connected to the inner wall of the connecting cylinder No. 1. The connection relationship design of the connecting plugs 1 and 2 facilitates users to expand the structure.
[0008] As a preferred embodiment of the above technical solution, the right end of the reference power extension cord is fixedly connected to a discharge plug, and the left end of the reference power extension cord is fixedly connected to a power plug. The design of the discharge plug and the power plug facilitates the normal use of the electrical appliance.
[0009] As a preferred embodiment of the above technical solution, the convenient combination mechanism also includes an aluminum foil shielding layer, a metal braided layer and a wear-resistant braided layer. The aluminum foil shielding layer is fixedly connected to the outer wall of the reference power extension cord, the metal braided layer is fixedly connected to the outer wall of the aluminum foil shielding layer, and the wear-resistant braided layer is fixedly connected to the outer wall of the metal braided layer. Through the cooperation of the aluminum foil shielding layer, the metal braided layer and the wear-resistant braided layer, the wire body can be wrapped and protected.
[0010] As a preferred embodiment of the above technical solution, the convenient storage mechanism includes a hollow shaft, which is fixedly installed on the top and bottom of the electrical connection box. The end of the hollow shaft away from the electrical connection box is fixedly connected with a hollow limit plate, and the electrical connection box can electrically connect the connecting plugs on both sides thereof.
[0011] As a preferred embodiment of the above technical solution, a positioning seat is fixedly installed on the outer wall of the hollow limit disk, and a positioning hole is opened on the outer wall of the positioning seat. The design of the positioning seat and the positioning hole facilitates the user to locate the position of the hollow limit disk.
[0012] As a preferred embodiment of the above technical solution, a stainless steel mesh tube is fixedly connected to the middle part of the hollow shaft, and a stainless steel mesh ring is fixedly installed on the inner wall of the hollow limit plate. After the cylindrical fan is working, air can be output from the stainless steel mesh tube and the stainless steel mesh ring to dissipate the heat of the stored wire body.
[0013] As a preferred embodiment of the above technical solution, a cylindrical fan is fixedly connected to the side of the hollow limit plate away from the hollow shaft rod, and a porous cover plate is detachably connected to the side of the cylindrical fan away from the hollow limit plate, and the porous cover plate can protect the interior of the cylindrical fan.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] The utility model is designed with a connection relationship between the connection plug one and the connection plug two, so that the user can connect an external power cord with the connection plug one and the connection plug two integral structure to the middle of the structure, and the length of the structure is combined and extended, so that the structure can be applied to various working environments and meet the use needs of the user. At the same time, after the connection plug one and the connection plug two are plugged in, the second connection tube will be plugged into the inside of the first connection tube, and the connection between the first connection tube and the second connection tube is sealed by a rubber ring, so as to realize the function of waterproof protection of the connection between the connection plug one and the connection plug two, thereby increasing safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional diagram of the utility model;
[0017] Figure 2 It is a partially truncated structural schematic diagram of the first connecting tube and the second connecting tube of the utility model;
[0018] Figure 3 It is a structural schematic diagram of the convenient storage mechanism of the utility model;
[0019] Figure 4 for Figure 3 A magnified view of the structure at center.
[0020] In the figure: 1. Standard power extension cord; 11. Discharge plug; 12. Power plug; 2. Convenient combination mechanism; 21. Connection plug one; 22. Connection plug two; 23. Connection cylinder No. 1; 24. Connection cylinder No. 2; 25. Rubber ring; 26. Aluminum foil shielding layer; 27. Metal braided layer; 28. Wear-resistant braided layer; 29. Electrical connection box; 3. Convenient storage mechanism; 31. Hollow shaft; 32. Hollow limit plate; 33. Positioning seat; 34. Stainless steel mesh tube; 35. Stainless steel mesh ring; 36. Cylindrical fan; 37. Perforated cover plate. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0022] like Figure 1-2As shown, the utility model provides a technical solution: a power extension cord with a combined structure, comprising a reference power extension cord 1, a convenient combination mechanism 2 is arranged in the middle of the reference power extension cord 1, a convenient storage mechanism 3 is arranged at the top and bottom of the convenient combination mechanism 2, the convenient combination mechanism 2 comprises a connecting plug 22 and an electrical connection box 29, the connecting plug 22 is provided in two, the two connecting plugs 22 are fixedly connected to the middle of the reference power extension cord 1, both sides of the electrical connection box 29 are fixedly connected with a connecting plug 1 21, the adjacent sides of the connecting plug 1 21 and the connecting plug 2 22 are movably plugged, a No. 1 connecting tube 23 is fixedly installed on a side of the connecting plug 22 close to the electrical connection box 29, and a No. 1 connecting tube 23 is fixedly installed on a side of the connecting plug 1 21 away from the electrical connection box 29. A No. 2 connecting tube 24 is installed, and a rubber ring 25 is fixedly connected to the outer wall of the No. 2 connecting tube 24. The outer wall of the rubber ring 25 is movably connected to the inner wall of the No. 1 connecting tube 23. The user pre-produces a power cord with a connecting plug 1 21 and a connecting plug 22, separates the connecting plug 1 21 and the connecting plug 22 on this structure, and then connects the external power cord with the integral structure of the connecting plug 1 21 and the connecting plug 2 22 to the middle of the structure, and combines and extends the length of the structure. After the connecting plug 1 21 and the connecting plug 2 22 are plugged in, the No. 2 connecting tube 24 will be plugged into the inside of the No. 1 connecting tube 23, and the connection between the No. 1 connecting tube 23 and the No. 2 connecting tube 24 is sealed by the rubber ring 25 to achieve the function of waterproof protection.
[0023] As an implementation method in this embodiment, Figure 1-2 As shown, the right end of the reference power extension cord 1 is fixedly connected to the discharge plug 11, and the left end of the reference power extension cord 1 is fixedly connected to the power plug 12. The convenient combination mechanism 2 also includes an aluminum foil shielding layer 26, a metal braided layer 27 and a wear-resistant braided layer 28. The outer wall of the reference power extension cord 1 is fixedly connected to the aluminum foil shielding layer 26, the outer wall of the aluminum foil shielding layer 26 is fixedly connected to the metal braided layer 27, and the outer wall of the metal braided layer 27 is fixedly connected to the wear-resistant braided layer 28. After the structure is assembled, the power plug 12 is plugged into the external power supply, and then the electrical appliance is plugged into the discharge plug 11. Through the cooperation of the aluminum foil shielding layer 26 and the metal braided layer 27, the reference power extension cord 1 can be protected from interference, and through the design of the wear-resistant braided layer 28, the reference power extension cord 1 can be protected from wear as a whole.
[0024] As an implementation method in this embodiment, Figure 3-4As shown, the convenient storage mechanism 3 includes a hollow shaft 31, the hollow shaft 31 is fixedly installed on the top and bottom of the electrical connection box 29, the end of the hollow shaft 31 away from the electrical connection box 29 is fixedly connected to a hollow limit plate 32, a positioning seat 33 is fixedly installed on the outer wall of the hollow limit plate 32, and a positioning hole is opened on the outer wall of the positioning seat 33, a stainless steel mesh tube 34 is fixedly connected to the middle of the hollow shaft 31, a stainless steel mesh ring 35 is fixedly installed on the inner wall of the hollow limit plate 32, and a side of the hollow limit plate 32 away from the hollow shaft 31 is fixedly connected There is a cylindrical fan 36, and a porous cover plate 37 is detachably connected to the side of the cylindrical fan 36 away from the hollow limit plate 32. The user can wrap the excess wires around the outer wall of the stainless steel mesh tube 34 to store the wires, which is convenient for the user's work. Through the design of the positioning seat 33 and the positioning hole, the user can position the stainless steel mesh tube 34 as a whole and control the operation of the cylindrical fan 36. Air can be output from the stainless steel mesh tube 34 and the stainless steel mesh ring 35 to achieve the function of heat dissipation protection for the wires wrapped on the surface of the stainless steel mesh tube 34.
[0025] Working principle: A power cord with a connecting plug 1 21 and a connecting plug 22 is produced in advance. If the structure needs to be extended, the connecting plug 1 21 and the connecting plug 22 on the structure are separated, and then the external power cord with the integral structure of the connecting plug 1 21 and the connecting plug 2 22 is connected to the middle of the structure to complete the combined extension of the length of the structure. Then, the power plug 12 is plugged into the external power source, and then the electrical appliance is plugged into the discharge plug 11. When in use, the excess wire can be wrapped around the outer wall of the stainless steel mesh tube 34.
[0026] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.
Claims
1. A power extension cord of a combined structure, comprising a reference power extension cord (1), Features: A convenient assembly mechanism (2) is provided in the middle of the reference power extension cord (1), and convenient storage mechanisms (3) are provided at the top and bottom of the convenient assembly mechanism (2); The convenient combination mechanism (2) comprises a second connection plug (22) and an electrical connection box (29). The second connection plug (22) is provided in two pieces. The two second connection plugs (22) are fixedly connected to the middle of the reference power extension line (1). The two sides of the electrical connection box (29) are fixedly connected to the first connection plug (21). The adjacent sides of the first connection plug (21) and the second connection plug (22) are movably plugged. The side of the second connection plug (22) close to the electrical connection box (29) is fixedly installed with a first connection tube (23). The side of the first connection plug (21) away from the electrical connection box (29) is fixedly installed with a second connection tube (24). The outer wall of the second connection tube (24) is fixedly connected with a rubber ring (25). The outer wall of the rubber ring (25) is movably connected to the inner wall of the first connection tube (23).
2. A power extension cord of a combined structure according to claim 1, Features: The right end of the reference power extension line (1) is fixedly connected to a discharge plug (11), and the left end of the reference power extension line (1) is fixedly connected to a power supply plug (12).
3. A power extension cord of a combined structure according to claim 1, Features: The convenient combination mechanism (2) further comprises an aluminum foil shielding layer (26), a metal braided layer (27) and a wear-resistant braided layer (28); the aluminum foil shielding layer (26) is fixedly connected to the outer wall of the reference power extension line (1); the metal braided layer (27) is fixedly connected to the outer wall of the aluminum foil shielding layer (26); and the wear-resistant braided layer (28) is fixedly connected to the outer wall of the metal braided layer (27).
4. A power extension cord of a combined structure according to claim 1, Features: The convenient storage mechanism (3) comprises a hollow shaft (31), wherein the hollow shaft (31) is fixedly mounted on the top and bottom of the electrical connection box (29), and one end of the hollow shaft (31) away from the electrical connection box (29) is fixedly connected to a hollow limiting plate (32).
5. A power extension cord of a combined structure according to claim 4, Features: A positioning seat (33) is fixedly mounted on the outer wall of the hollow limiting plate (32), and a positioning hole is provided on the outer wall of the positioning seat (33).
6. A power extension cord of a combined structure according to claim 5, Features: A stainless steel mesh tube (34) is fixedly connected to the middle of the hollow shaft (31), and a stainless steel mesh ring (35) is fixedly installed on the inner wall of the hollow limiting plate (32).
7. A power extension cord of a combined structure according to claim 6, Features: A cylindrical fan (36) is fixedly connected to the side of the hollow limiting disk (32) away from the hollow shaft (31), and a porous cover plate (37) is detachably connected to the side of the cylindrical fan (36) away from the hollow limiting disk (32).