Three-plug power line plug assembly
By incorporating fixing holes and limiting clips in the three-prong power cord plug assembly, the problem of loose pins is solved, achieving higher tightness and safety, making it suitable for household appliances.
Patent Information
- Application Number
- CN202423249964.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-05-15
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing three-prong plugs are prone to loosening after being fixed by the injection molding process, leading to poor contact and posing a safety hazard, especially when using high-power appliances.
The base is provided with a first fixing hole and a second fixing hole, and the first and second pin assemblies are installed respectively. They are further fixed by a limiting body and a locking body structure. The second pin assembly adopts a cylindrical pin tip to improve tightness and safety.
It improves the tightness and safety of the plug, has a compact structure, is easy to install, and has high economic and practical value.
Smart Images

Figure CN224249065U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of plug design technology, and in particular to a three-prong power cord plug assembly. Background Technology
[0002] Plugs are common hardware components in people's daily lives, especially three-prong power cord plugs, which are common accessories for household appliances. As we all know, the current three-prong plugs consist of three flat pins fixed inside the plug shell, which are fixed by injection molding. However, the current three-prong plugs often have certain shortcomings. Because the pins fixed by injection molding are prone to loosening, they can easily catch fire in the event of poor contact, posing a certain hazard to high-power appliances. Therefore, further improvements are needed. Utility Model Content
[0003] This utility model addresses the shortcomings of the prior art by providing a compact, easy-to-install, and highly safe three-prong power cord plug assembly.
[0004] The technical solution adopted by this utility model to solve the above problems is as follows:
[0005] This utility model provides a three-prong power cord plug assembly, including a base, on which a first fixing hole and a second fixing hole are provided.
[0006] A first pin assembly is installed in the first fixing hole.
[0007] A second pin assembly is installed in the second fixing hole.
[0008] Furthermore, the base includes a first fixing part and a second fixing part.
[0009] The first fixing hole is located on the first fixing part.
[0010] The second fixing hole is located on the second fixing part.
[0011] Furthermore, the first insertion pin assembly includes a pin head and a connecting portion, and the bottom of the pin head is provided with an insertion hole.
[0012] Furthermore, the top of the needle head is provided with a first limiting body, a second limiting body and a third limiting body, which are used to cooperate with the first fixing hole.
[0013] Furthermore, the connecting part is provided with a first U-shaped groove structure for connecting wires.
[0014] Furthermore, the second pin assembly includes a cylindrical pin body, one end of which is provided with a connector, and a second U-shaped groove structure is connected to the connector.
[0015] Furthermore, the needle body is provided with a first locking structure.
[0016] Furthermore, the connector is provided with a second locking structure.
[0017] The first card body structure and the second card body structure are used to cooperate with the second fixing hole.
[0018] The beneficial effects of this utility model are as follows:
[0019] The three-prong power cord plug assembly provided by this utility model has the advantages of compact structure, easy installation, and high safety. In use, this application adopts a structural design in which the first pin assembly and the second pin assembly can be installed using the first fixing hole and the second fixing hole respectively. Moreover, the first pin assembly and the second pin assembly are provided with limiting body and locking body structure for further fixation, which further improves the fastness of this application. In addition, the second pin assembly of this application adopts a cylindrical pin tip, which further enhances the safety of this application. Therefore, this application has great economic and practical value. Attached Figure Description
[0020] Figure 1 This is a structural diagram of a three-prong power cord plug assembly according to this utility model;
[0021] Figure 2 This is an exploded structural diagram of a three-prong power cord plug assembly according to the present invention.
[0022] Figure 3 This is a base structure diagram of a three-prong power cord plug assembly according to this utility model;
[0023] Figure 4 This is another structural diagram of the base of a three-prong power cord plug assembly according to this utility model;
[0024] Figure 5 This is a structural diagram of the first pin assembly of a three-prong power cord plug assembly according to this utility model;
[0025] Figure 6 This is another structural diagram of the first pin assembly of a three-prong power cord plug assembly according to this utility model;
[0026] Figure 7 This is a structural diagram of the second pin assembly of a three-prong power cord plug assembly according to this utility model;
[0027] Figure 8 This is another structural diagram of the second pin assembly of a three-prong power cord plug assembly according to this utility model. Detailed Implementation
[0028] The embodiments of this utility model are described in detail below with reference to the accompanying drawings. The drawings are for reference and illustration only and do not constitute a limitation on the scope of patent protection of this utility model.
[0029] like Figures 1-8 As shown, this utility model provides a three-prong power cord plug assembly, including a base 1, on which a first fixing hole 2 and a second fixing hole 3 are provided.
[0030] The first pin assembly 4 is installed in the first fixing hole 2.
[0031] The second pin assembly 5 is installed in the second fixing hole 3.
[0032] In this embodiment, the base 1 includes a first fixing part 6 and a second fixing part 7.
[0033] The first fixing hole 2 is provided on the first fixing part 6.
[0034] The second fixing hole 3 is provided on the second fixing part 7.
[0035] In this embodiment, the first pin assembly 4 includes a pin head 8 and a connecting part 9, and the bottom of the pin head 8 is provided with a insertion hole 801.
[0036] In this embodiment, the top of the needle head 8 is provided with a first limiting body 802, a second limiting body 803 and a third limiting body 804, which are used to cooperate with the first fixing hole 2.
[0037] In this embodiment, the connecting part 9 is provided with a first U-shaped groove structure 901 for connecting wires.
[0038] In this embodiment, the second pin assembly 5 includes a cylindrical pin body 501, one end of which is provided with a connector 502, and a second U-shaped groove structure 503 is connected to the connector 502.
[0039] In this embodiment, the needle body 501 is provided with a first clip structure 5011.
[0040] In this embodiment, the connector 502 is provided with a second card structure 5021.
[0041] The first card body structure 5011 and the second card body structure 5021 are used to cooperate with the second fixing hole 3.
[0042] The three-prong power cord plug assembly provided by this utility model has the advantages of compact structure, easy installation, and high safety. In use, this application adopts a structural design in which the first pin assembly and the second pin assembly can be installed using the first fixing hole 2 and the second fixing hole respectively. Moreover, the first pin assembly and the second pin assembly are provided with limiting bodies and locking structures for further fixation, which further improves the fastness of this application. Furthermore, the second pin assembly of this application adopts a cylindrical pin tip, which further enhances the safety of this application. Therefore, this application has great economic and practical value.
[0043] The above embodiments are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above embodiments. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of the present utility model shall be considered equivalent substitutions and shall be included within the protection scope of the present utility model.
Claims
1. A three-prong power cord plug assembly, characterized in that: Includes a base, on which a first fixing hole and a second fixing hole are provided. A first pin assembly is installed in the first fixing hole. The second pin assembly is installed in the second fixing hole. The base includes a first fixing part and a second fixing part. The first fixing hole is located on the first fixing part. The second fixing hole is located on the second fixing part. The first pin assembly includes a pin head and a connecting portion, and the bottom of the pin head is provided with a insertion hole. The needle head is provided with a first limiting body, a second limiting body, and a third limiting body at its top, for cooperating with the first fixing hole. The connecting part is provided with a first U-shaped groove structure for connecting wires.
2. The three-prong power cord plug assembly according to claim 1, characterized in that: The second pin assembly includes a cylindrical pin body, one end of which is provided with a connector, and a second U-shaped groove structure is connected to the connector.
3. A three-prong power cord plug assembly according to claim 2, characterized in that: The needle body is provided with a first locking structure. The connector is provided with a second locking structure. The first card body structure and the second card body structure are used to cooperate with the second fixing hole.