Plug for electric tool
By designing a plug base and fixing structure in the power tool plug, the problems of unstable power plug connection and poor sealing performance are solved, achieving stable connection and sealing, and improving the working efficiency and practicality of power tools.
Patent Information
- Application Number
- CN202520448838.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-14
AI Technical Summary
Existing power tool plugs suffer from problems such as unstable connection between the power pin and the contact socket, inconvenient disassembly, and poor sealing performance, which affect work efficiency and protection performance.
The design incorporates a mating structure for the plug base, power pin, ground wire connector, live wire connector, and neutral wire connector. A stable connection and seal are achieved through the combination of a first fixing cylinder, a second fixing cylinder, a sealing strip, a connecting side plate, and fixing bolts, simplifying the disassembly process.
It improves the stability of circuit control, simplifies the installation process, enhances sealing performance, prevents the intrusion of external substances, and improves work efficiency and practicality.
Smart Images

Figure CN223884761U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to plug technical field, concretely is a plug for electric tool. BACKGROUND
[0002] Electric tool plug refers to the part with power cord connection and has male plug pin, full name should be called plug connector, electric tool plug is the important part of electric tool and power connection, it allows electric tool to obtain electric power from power supply, thereby drive motor or other power device work, plug is usually made of conductive material, and design has corresponding contact and shell to ensure safe and reliable connection with socket.
[0003] Prior art, such as: CN218997248U a plug assembly, by setting the connecting assembly, realized in the process of using plug assembly, can separate the plug, make a part of the plug that is difficult to pull out always insert into the inside of socket, make the plug more labor-saving, reduce the damage of plug because of forceful plug and unplug.
[0004] But the plug assembly still has certain insufficient in the process of using:
[0005] 1, in the process of using, the connection of power plug pin and contact seat can be unstable, and the disassembly process of the plug is not convenient, which causes certain inconvenience when connecting line body, thereby reduce its practical applicability.
[0006] 2, the sealing performance of plug body is not good, is easily affected by external environment, after power connection, plug body is not easy to pull out, this reduces work efficiency, the protection performance of the plug assembly also needs to be improved. UTILITY MODEL CONTENTS
[0007] The utility model aims at providing a kind of plug for electric tool, to solve above-mentioned background art in the process of using, the connection of power plug pin and contact seat can be unstable, and the disassembly process of the plug is not convenient, which causes certain inconvenience when connecting line body, thereby reduce its practical applicability, the sealing performance of plug body is not good, is easily affected by external environment, after power connection, plug body is not easy to pull out, this reduces work efficiency, the protection performance of the plug assembly also needs to be improved.
[0008] To achieve the above object, the utility model provides the following technical scheme:
[0009] A kind of plug for electric tool, including plug shell, the bottom of the plug shell is provided with plug assembly, the bottom of the plug shell is fixedly connected with second fixed cylinder;
[0010] The plug assembly comprises a plug base of a plug shell bottom, a ground wire socket, a fire wire socket and a zero wire socket are arranged on the top of the plug base respectively, the bottom of the ground wire socket, the fire wire socket and the zero wire socket is electrically connected with a power plug respectively, the three power plugs are respectively penetrated through the plug base and extended to the bottom of the plug base, the bottom of the three power plugs is provided with a groove, and the end of the plug base is provided with a power cord.
[0011] As the preferred scheme of the utility model, the top of the plug base is fixedly connected with a first fixing cylinder, the first fixing cylinder is located directly below the second fixing cylinder, a threaded connection groove is arranged in the second fixing cylinder, the side surface of the plug shell and the plug base is pasted with a sealing strip, and the side surface of the plug base is fixedly connected with a connecting side plate.
[0012] As the preferred scheme of the utility model, the bottom of the plug base is provided with a fixing bolt, the fixing bolt penetrates through the plug base and the first fixing cylinder and extends into the second fixing cylinder, and the fixing bolt is threadedly connected with the threaded connection groove.
[0013] As the preferred scheme of the utility model, the bottom of the plug base is provided with three identification numbers respectively, and the three identification numbers are arranged on the side surface of the three power plugs respectively.
[0014] As the preferred scheme of the utility model, the connecting place of the power cord and the plug base is fixedly connected with a sealing ring, and the sealing ring and the sealing strip are made of rubber.
[0015] As the preferred scheme of the utility model, the top of the plug shell is fixedly connected with a protective sheet, and the plug shell and the plug base are of the same size.
[0016] As the preferred scheme of the utility model, the connecting side plate is provided with two pieces, and the two pieces of the connecting side plate are opposite to each other.
[0017] As the preferred scheme of the utility model, the fixing bolt is provided with two pieces, and the two fixing bolts are of the same size.
[0018] Compared with the prior art, the utility model has the advantages that:
[0019] 1、In the utility model, the plug base, the power plug, the ground wire socket, the fire wire socket and the zero wire socket are used in cooperation, the bottom of the ground wire, the fire wire and the zero wire is connected with the power plug respectively, the stability of circuit control is ensured, the installation process is simplified, the power cord can be installed in the plug base after the plug base and the plug shell are separated, and the practicability is improved.
[0020] 2、The utility model discloses, through the cooperation of first fixed cylinder, second fixed cylinder, sealing strip, connecting side plate and fixed bolt, first fixed cylinder and second fixed cylinder are opposite positioning, and the connection of plug base and plug shell is realized through the tightening fixed bolt. The side of plug base and plug shell adopts sealing strip and carries out the sealing treatment, and the isolation between power cord and plug base is carried out through sealing ring, effectively prevents the invasion of outside moisture or dust, and the plug base is conveniently pulled out quickly through connecting side plate, thereby improve work efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is the whole structure schematic diagram of the utility model;
[0022] Figure 2 It is the plug shell opening structure schematic diagram of the utility model;
[0023] Figure 3 It is the plug base top structure schematic diagram of the utility model;
[0024] Figure 4 It is the plug base bottom structure schematic diagram of the utility model.
[0025] In the drawing: 1, plug shell;2, plug assembly;201, plug base;202, power plug;203, recess;204, first fixed cylinder;205, ground wire electrical connector;206, fire wire electrical connector;207, zero line electrical connector;208, fixed bolt;3, sealing strip;4, connecting side plate;5, power cord;6, protection sheet;7, second fixed cylinder;8, threaded connection groove;9, sealing ring;10, identification number. DETAILED DESCRIPTION
[0026] The technical scheme in the embodiments of the utility model will be described below in a clear and complete manner in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0027] Embodiment, please refer to Figures 1-4 The utility model provides a technical scheme:
[0028] A plug for electric tools, comprising a plug shell 1, a plug assembly 2 is arranged at the bottom of the plug shell 1, a second fixing cylinder 7 is fixedly connected to the bottom of the plug shell 1, the plug assembly 2 comprises a plug base 201 at the bottom of the plug shell 1, the top of the plug base 201 is respectively provided with a ground wire socket 205, a live wire socket 206 and a zero line socket 207, the bottom of the ground wire socket 205, the live wire socket 206 and the zero line socket 207 is respectively electrically connected with a power plug 202, the three power plugs 202 respectively penetrate the plug base 201 and extend to the bottom of the plug base 201, the bottom of the three power plugs 202 is provided with a groove 203, the end of the plug base 201 is provided with a power cord 5, the power cord 5 extends into the plug base 201, the connection between the power cord 5 and the plug base 201 is fixedly connected with a sealing ring 9, the material of the sealing ring 9 and the sealing strip 3 is rubber.
[0029] Among them, the power plug 202 can be electrically connected to the ground wire socket 205, the live wire socket 206 and the zero line socket 207, and has stability when controlling the circuit, and after the plug base 201 is separated from the plug shell 1, the power cord 5 in the plug base 201 is convenient to install, thereby improving the practicability.
[0030] In this embodiment, according to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the top of the plug base 201 is fixedly connected with a first fixing cylinder 204, the first fixing cylinder 204 is located directly below the second fixing cylinder 7, a threaded connection groove 8 is arranged in the second fixing cylinder 7, the side of the plug shell 1 and the plug base 201 is pasted with a sealing strip 3, the side of the plug base 201 is fixedly connected with a connecting side plate 4, the bottom of the plug base 201 is provided with a fixing bolt 208, the fixing bolt 208 penetrates the plug base 201 and the first fixing cylinder 204 and extends into the second fixing cylinder 7, the fixing bolt 208 is threadedly connected with the threaded connection groove 8, the bottom of the plug base 201 is respectively provided with three identification numbers 10, the three identification numbers 10 are respectively located on the side of the three power plugs 202, the top of the plug shell 1 is fixedly connected with a protective sheet 6, the size of the plug shell 1 and the plug base 201 is the same, the connecting side plate 4 is provided with two, the two connecting side plates 4 are opposite, the fixing bolt 208 is provided with two, and the two fixing bolts 208 are the same in size.
[0031] Among them, the plug base 201 and the plug shell 1 can be connected by screwing the fixing bolt 208, the side of the plug base 201 and the plug shell 1 is sealed by the sealing strip 3, the power cord 5 and the plug base 201 are sealed by the sealing ring 9, thereby avoiding the entry of moisture or dust from the outside.
[0032] The utility model discloses a work flow: use the plug for electric tool of this scheme design when working, first check whether the plug is normal use, connect respectively with ground wire connection seat 205, fire wire connection seat 206 and zero wire connection seat 207 to power cord 5, and fix it through screw, and then power plug 202 can be electrically connected to ground wire connection seat 205, fire wire connection seat 206 and zero wire connection seat 207, and then has stability when controlling circuit, and it is convenient to install, and then when plug base 201 and plug shell 1 separate, it is convenient to install power cord 5 in plug base 201, and then improve practicality, wherein first fixed cylinder 204 and second fixed cylinder 7 position is opposite, and then can be connected through the plug base 201 and plug shell 1 of screwing fixed bolt 208, and the side of plug base 201 and plug shell 1 is sealed through sealing strip 3, and power cord 5 and plug base 201 are sealed through sealing ring 9, and then avoid the moisture or dust of outside into inside, and it is convenient to pull out plug base 201 through connecting side plate 4, improve work efficiency.
[0033] Although the embodiments of the utility model have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A plug for an electric power tool, comprising a plug housing (1), characterized in that: The bottom of the plug shell (1) is provided with a plug assembly (2), and the bottom of the plug shell (1) is fixedly connected with a second fixing cylinder (7); The plug assembly (2) comprises a plug base (201) at the bottom of the plug shell (1), and the top of the plug base (201) is provided with a ground wire connecting seat (205), a fire wire connecting seat (206) and a zero wire connecting seat (207), respectively. The bottom of the ground wire connecting seat (205), the fire wire connecting seat (206) and the zero wire connecting seat (207) is electrically connected with a power plug (202), respectively. Three power plugs (202) extend through the plug base (201) and extend to the bottom of the plug base (201), and the bottom of the three power plugs (202) is provided with a groove (203). The end of the plug base (201) is provided with a power cord (5), and the power cord (5) extends into the plug base (201).
2. A plug for use with a power tool according to claim 1, wherein: The top of the plug base (201) is fixedly connected with a first fixing cylinder (204), and the first fixing cylinder (204) is located directly below the second fixing cylinder (7). The second fixing cylinder (7) is provided with a threaded connection groove (8). The side surfaces of the plug shell (1) and the plug base (201) are attached with sealing strips (3), and the side surfaces of the plug base (201) are fixedly connected with connecting side plates (4).
3. The plug for the power tool according to claim 1, wherein: The bottom of the plug base (201) is provided with a fixing bolt (208), which extends through the plug base (201) and the first fixing cylinder (204) and extends into the second fixing cylinder (7). The fixing bolt (208) is threadedly connected with the threaded connection groove (8).
4. The plug for power tools according to claim 1, wherein: The bottom of the plug base (201) is provided with three identification numbers (10), respectively. The three identification numbers (10) are located on the side surfaces of the three power plugs (202), respectively.
5. The plug for power tools according to claim 1, wherein: The connection between the power cord (5) and the plug base (201) is fixedly connected with a sealing ring (9), and the materials of the sealing ring (9) and the sealing strip (3) are rubber.
6. The plug for power tools according to claim 1, wherein: The top of the plug shell (1) is fixedly connected with a protective sheet (6), and the plug shell (1) and the plug base (201) are the same size.
7. The plug for power tools according to claim 2, wherein: The connecting side plates (4) are provided with two, and the positions of the two connecting side plates (4) are opposite.
8. The plug for power tools according to claim 3, wherein: The fixing bolt (208) is provided with two, and the two fixing bolts (208) are the same size.
Citation Information
Patent Citations
Plug assembly
CN218997248U