Extension socket structure capable of preventing electric wire from loosening
By designing a special-shaped wire trough in the wire insertion structure, wrapping the wires and passing the friction limit, the problems of high fixation costs and poor safety in the prior art are solved, and stable fixation and safe connection of the wires are achieved.
Patent Information
- Application Number
- CN202421078236.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-17
AI Technical Summary
The existing wire insertion structure requires multiple parts when fixing wires, which is costly and can easily lead to thinning or stuck in the insulation of the wire, affecting the safety of electricity use.
A insertion structure including a special-shaped wire groove is designed. The special-shaped wire groove wraps the wire through an open groove, a first guide member, a second guide member, and other structures and limits the wires through friction to prevent loosening of the wires.
Through the structure of the special-shaped wire trough, it can effectively prevent the wire from loosening, reduce production costs, and improve the safety of electricity consumption, without the need for additional screws or crimping parts.
Smart Images
Figure CN222508271U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a technical field, in particular to a plug-in structure for preventing electric wires from loosening. Background Art
[0002] In the prior art, the wires are usually fixed inside the power strip by a wire pressing device, which presses the wires and then fixes the wire pressing device with screws, so that the wires can be detachably installed inside the power strip. This fixing method requires multiple parts to press the wires, which is costly; at the same time, the wire pressing device will flatten the wires, making the wire insulation thinner, affecting the safety of electricity use.
[0003] There is another way to fix the wires in the prior art, which is to design a serrated slot in the housing, clamp the wires in the serrated slot, and then use screws to lock the upper and lower housings to press the wires. This method also requires additional screws, which is costly; at the same time, the serrated slot is easy to break the wire skin, affecting the safety of electricity use.
[0004] In view of this, the present invention is designed with an in-depth understanding of the many deficiencies and inconveniences caused by the imperfections in the existing power strip structure design, and the present invention is developed through active research, improvement and trial production. Utility Model Content
[0005] The utility model aims to overcome the shortcomings of the prior art, provide a plug-in structure that prevents wires from loosening, and reduce costs.
[0006] In order to achieve the above purpose, the solution of the utility model is:
[0007] A power strip structure for preventing wires from loosening comprises wires and a shell, wherein the shell comprises an upper cover and a base which are detachably connected to each other, and an open groove is provided at the connection between the upper cover and the base; an inner wall of the base is provided with a special-shaped wire groove near the open groove for winding the wires therein and installing them in the shell.
[0008] Furthermore, the special-shaped wire groove includes a first guide member and a second guide member, the first guide member is arranged above the opening groove, and the second guide member is arranged above the first guide member;
[0009] A first winding space is formed between the opening groove and the first guide member, and a second winding space is formed between the first guide member and the second guide member. The wire passes through the opening groove, the first winding space and the second winding space in sequence and is installed on the base. The wire is tightly attached to the side walls of the first guide member and the second guide member.
[0010] Furthermore, the special-shaped wire groove also includes a third guide member, and the third guide member is arranged above the second guide member, and a third winding space is formed between the second guide member and the third guide member.
[0011] Furthermore, the first guide member is a strip-shaped plate member, and the length direction of the first guide member forms an angle with the central axis of the opening groove.
[0012] Furthermore, the second guide member and the third guide member are both strip-shaped plates, and the length directions of the second guide member and the third guide member are parallel to the length direction of the first guide member.
[0013] Furthermore, the special-shaped wire duct also includes a limiting plate, and the limiting plate is arranged on the side surfaces of the first guide member and the second guide member.
[0014] Furthermore, the special-shaped wire trough is provided with a plurality of ribs.
[0015] Furthermore, the upper cover is provided with a pressing plate corresponding to the special-shaped wire groove, and the pressing plate is crimped to the wire.
[0016] Furthermore, the pressing plate is a U-shaped plate, and the side wall of the pressing plate surrounds the circumference of the first guide member.
[0017] After adopting the above structure, the power strip structure provided by the utility model installs the wires through the special-shaped wire trough, and the wires are wound in the special-shaped wire trough, and the friction between the outer skin of the wires and the special-shaped wire trough is used to limit the position. When the wires are pulled by external force, the structure of the special-shaped wire trough can prevent the wires from being pulled out. There is no need to clamp the wires, avoid flattening the wires or breaking the wire skin, and the safety is higher.
[0018] Furthermore, the power strip structure of the present invention does not require additional wire pressing parts, nor does it require additional screws for wire pressing, thereby reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 A three-dimensional diagram of a preferred embodiment of the utility model;
[0020] Figure 2 This is a partial structural exploded view of a preferred embodiment of the utility model except for the wires;
[0021] Figure 3 This is a schematic diagram of the partial structure of a preferred embodiment of the utility model except for the wires and the upper cover.
[0022] Explanation of the reference numerals: 1. upper cover; 11. pressing plate; 2. base; 21. first guide member; 22. second guide member; 23. third guide member; 24. limiting plate; 25. rib; 3. opening groove; 4. electric wire; 51. N-pole socket; 52. L-pole socket; a. first winding space; b. second winding space; c. third winding space. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below.
[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, unless otherwise specified, "multiple" means two or more.
[0025] like Figures 1 to 3 As shown, a preferred embodiment of the utility model is a power strip structure for preventing wires from loosening, including a wire 4 and a shell, the shell includes an upper cover 1 and a base 2 that are detachably connected to each other, and an open groove 3 is provided at the connection between the upper cover 1 and the base 2; the inner wall of the base 2 is provided with a special-shaped wire groove near the open groove 3, which is used to wrap the wire 4 therein and install it in the shell.
[0026] The special-shaped wire trough is a structure arranged in the shell, which can limit the electric wire 4. Specifically, the special-shaped wire trough may include a plate, a column, etc. with a convex arrangement, and the electric wire 4 is wrapped around the plate, the column, so as to play a role of fixing and limiting; the special-shaped wire trough may include a special-shaped groove with a concave arrangement and a structure with an arc, an angle, etc., and the electric wire 4 is embedded in the special-shaped groove to play a role of fixing and limiting; the special-shaped wire trough may also include a locking piece with a through hole structure, and the electric wire 4 is passed through the through hole, and the electric wire 4 is fixed and limited by the inner wall of the through hole.
[0027] In this embodiment, the special-shaped wire groove includes a first guide member 21 and a second guide member 22. The first guide member 21 is arranged above the opening groove 3, and the second guide member 22 is arranged above the first guide member 21; a first winding space a is formed between the opening groove 3 and the first guide member 21, and a second winding space b is formed between the first guide member 21 and the second guide member 22. The wire 4 passes through the opening groove 3, the first winding space a and the second winding space b in sequence and is installed on the base 2. The wire 4 is tightly attached to the side walls of the first guide member 21 and the second guide member 22.
[0028] In order to more conveniently illustrate the working principle of the utility model, in this embodiment, an N-pole socket 51 and an L-pole socket 52 are installed in the shell, and the N-pole socket 51 and the L-pole socket 52 are respectively arranged on the left and right sides of the special-shaped wire groove; the wire 4 includes a neutral wire and a live wire.
[0029] When wiring, the wire 4 is inserted into the housing through the opening slot 3 and sequentially passes through the first winding space a and the second winding space b. After that, the neutral wire is connected to the N-pole socket 51, and the live wire is connected to the L-pole socket 52 after passing the second guide 22. At this time, the wire 4 is wound around the first guide 21, and the part of the wire 4 in the first winding space a is close to the side wall of the first guide 21, and the first guide 21 and the wire 4 rub against each other; the part of the wire 4 in the second winding space b is close to the side wall of the second guide 22, and the side wall of the second guide 22 and the wire 4 rub against each other. The wire 4 is limited by the friction between the wire 4 and the special-shaped wire groove to prevent it from being separated.
[0030] In other embodiments, an E-pole socket may be installed in the shell, and the electric wire 4 may be a three-core electric wire 4, etc., which is not specifically limited here.
[0031] The power strip structure provided by the utility model installs the wire 4 through the special-shaped wire groove, and the wire 4 is wound in the special-shaped wire groove, and the friction between the outer skin of the wire 4 and the special-shaped wire groove is used to limit the position. When the wire 4 is pulled by external force, the structure of the special-shaped wire groove can prevent the wire 4 from being pulled out. There is no need to clamp the wire 4, so as to avoid flattening the insulation skin of the wire 4 or breaking the skin of the wire 4, which does not affect the safety of electricity use and has higher safety.
[0032] Furthermore, the power strip structure of the present invention does not require additional wire pressing parts, nor does it require additional screws for wire pressing, thereby reducing production costs.
[0033] In this embodiment, the first guide member 21 is a strip-shaped plate member, and the length direction of the first guide member 21 forms an angle with the central axis of the opening slot 3 to guide the direction of the wire 4 and facilitate winding of the wire 4 .
[0034] In this embodiment, the special-shaped wire groove further includes a third guide member 23 , which is disposed above the second guide member 22 , and a third winding space c is formed between the second guide member 22 and the third guide member 23 .
[0035] During wiring, the portion of the electric wire 4 in the third winding space c is in close contact with the side wall of the third guide member 23 , and the side wall of the third guide member 23 and the electric wire 4 rub against each other.
[0036] The second guide member 22 and the third guide member 23 are both strip-shaped plates, and the length directions of the second guide member 22 and the third guide member 23 are parallel to the length direction of the first guide member 21 .
[0037] Specifically, the electric wire 4 passes through the opening groove 3 and extends into the first winding space a, and the electric wire 4 is guided toward the inside of the shell through the first guide piece 21; the electric wire 4 bypasses the first guide piece 21 and extends into the second winding space b, and after the electric wire 4 passes through the second winding space b, the neutral wire is connected to the N-pole socket 51; then the live wire continues to bypass the second guide piece 22 and extends into the third winding space c, and after passing through the third winding space c, it is connected to the L-pole socket 52.
[0038] In other embodiments, the first guide member 21, the second guide member 22 and the third guide member 23 may also be cylindrical members, plates with a central hole, etc.
[0039] In this embodiment, the special-shaped wire duct further includes a limiting plate 24 , which is disposed on the side surfaces of the first guide member 21 and the second guide member 22 .
[0040] Specifically, the portion of the electric wire 4 wound around the first guide member 21 abuts against the limiting plate 24 , and the electric wire 4 is limited by the first guide member 21 , the second guide member 22 and the limiting plate 24 , further preventing the electric wire 4 from falling out.
[0041] In this embodiment, a plurality of ribs 25 are provided on the special-shaped wire groove.
[0042] Specifically, the rib 25 is disposed on a side of the first guide member 21 close to the opening groove 3 , so as to increase the friction between the first guide member 21 and the electric wire 4 .
[0043] In this embodiment, the upper cover 1 is provided with a pressing plate 11 at a position corresponding to the special-shaped wire groove, and the pressing plate 11 is crimped to the wire 4 .
[0044] Specifically, the pressing plate 11 is a U-shaped plate, and the size of the pressing plate 11 matches the first guide member 21. When the upper cover 1 is installed on the base 2, the first guide member 21 fits in the U-shaped groove formed by the side wall of the pressing plate 11. The side wall of the pressing plate 11 surrounds the first guide member 21 to press the wire 4 and further limit the wire 4.
[0045] This specification uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core idea of the utility model. At the same time, for those skilled in the art, according to the idea of the utility model, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the utility model.
Claims
1. A socket structure for preventing wires from loosening, comprising wires and a housing, characterized in that: The shell comprises an upper cover and a base which are detachably connected to each other, and an open groove is provided at the connection between the upper cover and the base; the inner wall of the base is provided with a special-shaped wire groove near the open groove for winding the wires therein and installing them in the shell.
2. A socket structure for preventing wires from loosening according to claim 1, characterized in that: The special-shaped wire groove comprises a first guide member and a second guide member, wherein the first guide member is arranged above the opening groove, and the second guide member is arranged above the first guide member; A first winding space is formed between the opening groove and the first guide member, and a second winding space is formed between the first guide member and the second guide member. The wire passes through the opening groove, the first winding space and the second winding space in sequence and is installed on the base. The wire is tightly attached to the side walls of the first guide member and the second guide member.
3. A socket structure for preventing wires from loosening according to claim 2, characterized in that: The special-shaped wire groove also includes a third guide member, which is arranged above the second guide member, and a third winding space is formed between the second guide member and the third guide member.
4. A socket structure for preventing wires from loosening according to claim 2, characterized in that: The first guide member is a strip-shaped plate member, and the length direction of the first guide member forms an angle with the central axis of the opening groove.
5. A socket structure for preventing wires from loosening according to claim 4, characterized in that: The second guide member and the third guide member are both strip-shaped plates, and the length directions of the second guide member and the third guide member are parallel to the length direction of the first guide member.
6. A socket structure for preventing wires from loosening according to claim 2, characterized in that: The special-shaped wire duct also includes a limiting plate, which is arranged on the side surfaces of the first guide member and the second guide member.
7. The plug-in structure for preventing wires from loosening according to claim 1, characterized in that: The special-shaped wire trough is provided with a plurality of ribs.
8. The plug-in structure for preventing wires from loosening according to claim 2, characterized in that: The upper cover is provided with a pressing plate at a position corresponding to the special-shaped wire groove, and the pressing plate is crimped to the wire.
9. A socket structure for preventing wires from loosening according to claim 8, characterized in that: The pressing plate is a U-shaped plate, and the side wall of the pressing plate surrounds the peripheral side of the first guide member.