Electric connector

Abstract

The utility model discloses an electric connector, which comprises a plug and a plurality of first screw assemblies, the plug comprises a first shell, a male terminal is arranged on the first shell, one end of the male terminal is provided with a first extension part, each first screw assembly comprises a first screw and a first threaded sleeve, and the first threaded sleeve is sleeved outside the first extension part; the socket comprises a second shell, a plurality of female terminals are arranged on the second shell and can be matched with the male terminals in an inserted mode, a plurality of hole channels are formed in the second shell, a second extending part is arranged at one end of each female terminal, the socket further comprises a plurality of second screw assemblies, each second screw assembly comprises a second screw and a second threaded sleeve, and the second extending part is sleeved with the second threaded sleeve. According to the utility model, the first extension part and the second extension part are respectively inserted into the first screw sleeve and the second screw sleeve, so that when the first screw and the second screw are screwed into the first screw sleeve and the second screw sleeve, a lead inserted into the first screw sleeve and a male terminal, and a lead inserted into the second screw sleeve and a female terminal are fixed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric connector, especially relates to an electric connector. BACKGROUND

[0002] The electric connector comprises a plug and a socket, is an electrical connection device used in industrial environment, has high reliability, durability and safety, and is suitable for various severe working conditions.

[0003] The terminal of the plug or the socket is fastened with the wire through the first screw in the prior art, but the connection effect is poor and easy to loosen only through the first screw, which can cause arc flying or increase the loop resistance, and can cause the terminal to overheat and damage the power socket. UTILITY MODEL CONTENTS

[0004] In view of the technical defects of the prior art, the utility model aims at providing an electric connector.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme of an electric connector, which comprises:

[0006] The plug comprises a first shell, a plurality of male terminals are arranged on the first shell and penetrate the first shell, a first extension is arranged at one end of the male terminal, a plurality of first screw assemblies are arranged, each first screw assembly comprises a first screw and a first screw sleeve matched with the first screw, the first screw sleeve is sleeved outside the first extension, and the first screw and the first screw sleeve are threadedly connected.

[0007] The socket comprises a second shell, a plurality of female terminals are arranged on the second shell, the female terminal can be plugged and matched with the male terminal, a plurality of hole channels for accommodating the female terminals are arranged on the second shell, a second extension is arranged at one end of the female terminal, a plurality of second screw assemblies are arranged, each second screw assembly comprises a second screw and a second screw sleeve matched with the second screw, the second screw sleeve is sleeved outside the second extension, and the second screw and the second screw sleeve are threadedly connected.

[0008] A first screw protection ring for fixing the position of the first screw assembly is arranged outside the first screw assembly, and the first screw protection ring is arranged on one side of the first shell close to the first extension.

[0009] A second screw protection ring for fixing the position of the second screw assembly is arranged outside the second screw assembly, and the second screw protection ring is arranged on one side of the second shell close to the second extension.

[0010] The first screw protection ring is provided with a first notch for conveniently screwing the first screw on the side wall close to the first screw in the axial direction of the first screw.

[0011] The second screw protection ring is provided with a second gap for facilitating screwing of the second screw near the side wall of the second screw in the axial direction of the second screw.

[0012] The first housing is provided with a tubular first plug-in part on the side away from the first extension part, which is sleeved outside the male terminal.

[0013] The second housing is provided with a tubular second plug-in part on the side away from the second extension part, which is sleeved outside the female terminal and the hole for accommodating the female terminal.

[0014] The first plug-in part is provided with a plurality of first positioning protrusions or first positioning recesses.

[0015] The second plug-in part is provided with a plurality of second positioning protrusions matched with the first positioning protrusions or second positioning recesses matched with the first positioning recesses.

[0016] The second plug-in part is hinged with a dust cover.

[0017] The first extension part of the male terminal and the second extension part of the female terminal are respectively inserted into the interiors of the first screw sleeve and the second screw sleeve, so that the wires inserted into the first screw sleeve and the second screw sleeve are fixed with the male terminal and the female terminal when the first screw and the second screw are screwed into the first screw sleeve and the second screw sleeve.

[0018] Further, the wires are connected with the male terminal and the female terminal more tightly and firmly through the first screw and the first screw sleeve matched therewith and the second screw and the second screw sleeve matched therewith, and the contact area between the wires and the male terminal and the female terminal is increased, so that the conductivity is better.

[0019] Further, the first screw protection ring and the second screw protection ring wrap the first screw assembly and the second screw assembly, so as to prevent the first screw assembly and the second screw assembly from falling during transportation and installation.

[0020] Further, the first gap and the second gap are respectively convenient for screwing the first screw and the second screw. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 Fig. 1 is a structural schematic view of the plug of the utility model;

[0022] Figure 2 Fig. 2 is another structural schematic view of the plug of the utility model;

[0023] Figure 3 Fig. 3 is a structural schematic view of the first screw assembly and the male terminal matched therewith;

[0024] Figure 4 It is a structure schematic view of the socket of the utility model;

[0025] Figure 5 It is a structure schematic view of the socket of the utility model;

[0026] Figure 6 It is a structure schematic view of the cooperation of the second screw assembly and the female terminal;

[0027] Figure 7 It is a structure schematic view when the plug is inserted with the socket. Specific implementation

[0028] As Figures 1-7 Indicated, an electrical connector comprises:

[0029] The plug comprises a first shell 1, a plurality of male terminals 2 are provided on the first shell 1, one end of the male terminal 2 is provided with a first extension 21, and a plurality of first screw assemblies 3 are further included, each first screw assembly 3 comprises a first screw 31 and a first screw sleeve 32 matched with the first screw 31, the first screw sleeve 32 is sleeved outside the first extension 21, and the first screw 31 and the first screw sleeve 32 are threadedly connected.

[0030] The socket comprises a second shell 4, a plurality of female terminals 5 are provided on the second shell 4, the female terminal 5 can be inserted and matched with the male terminal 2, a plurality of channels 6 for accommodating the female terminal 5 are provided on the second shell 4, one end of the female terminal 5 is provided with a second extension 51, and a plurality of second screw assemblies 7 are further included, each second screw assembly 7 comprises a second screw 71 and a second screw sleeve 72 matched with the second screw 71, the second screw sleeve 72 is sleeved outside the second extension 51, and the second screw 71 and the second screw sleeve 72 are threadedly connected.

[0031] The first screw assembly 3 is sleeved with a first screw protection ring 8 outside for fixing the position of the first screw assembly 3, and the first screw protection ring 8 is arranged on the side of the first shell 1 close to the first extension 21.

[0032] The second screw assembly 7 is sleeved with a second screw protection ring 9 outside for fixing the position of the second screw assembly 7, and the second screw protection ring 9 is arranged on the side of the second shell 4 close to the second extension 51.

[0033] The first screw protection ring 8 is provided with a first notch 10 close to the side wall of the first screw 31 along the axial direction of the first screw 31, so that the first screw 31 is conveniently screwed.

[0034] The second screw protection ring 9 is provided with a second notch 11 close to the side wall of the second screw 71 along the axial direction of the second screw 71, so that the second screw 71 is conveniently screwed.

[0035] The first shell 1 is provided with a tubular first plug 12 on the side away from the first extension 21, which is sleeved outside the male terminal 2.

[0036] The second shell 4 is provided with a tubular second plug 13 on the side away from the second extension 51, which is sleeved outside the female terminal 5 and the hole 6 accommodating the female terminal 5, and is sleeved outside the first plug 12 when the male terminal 2 and the female terminal 5 are plugged together.

[0037] The first plug 12 is provided with a plurality of first positioning protrusions 14 or first positioning recesses.

[0038] The second plug 13 is provided with a plurality of second positioning protrusions 15 matched with the first positioning protrusions 14 or second positioning recesses matched with the first positioning recesses.

[0039] The second plug 13 is hinged with a dust cover 16.

[0040] The first extension 21 of the male terminal 2 and the second extension 51 of the female terminal 5 are respectively inserted into the inside of the first screw sleeve 32 and the second screw sleeve 72, so that the wires inserted into the first screw sleeve 32 and the wires inserted into the second screw sleeve 72 are fixed with the male terminal 2 and the female terminal 5 when the first screw 31 and the second screw 71 are screwed into the first screw sleeve 32 and the second screw sleeve 72.

[0041] Further, the first screw 31 and the first screw sleeve 32 matched therewith, and the second screw 71 and the second screw sleeve 72 matched therewith make the wires more closely connected with the male terminal 2 and the female terminal 5, and increase the contact area between the wires and the male terminal 2 and the female terminal 5, and the conductivity is better.

[0042] Further, the first screw protection ring 8 and the second screw protection ring 9 wrap the first screw assembly 3 and the second screw assembly 7, preventing the first screw assembly 3 and the second screw assembly 7 from falling during transportation and installation.

[0043] Further, the first notch 10 and the second notch 11 facilitate the screwing of the first screw 31 and the second screw 71, respectively.

[0044] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and simple changes and replacements of ordinary technical personnel in the art are within the protection scope of the utility model without departing from the spirit and scope of the utility model.

Claims

1. An electrical connector, characterized by, The utility model relates to a plug and socket, comprising: a plug, comprising a first shell, a plurality of male terminals are arranged on the first shell, one end of the male terminal is provided with a first extension, a plurality of first screw assemblies are arranged on the first shell, each first screw assembly comprises a first screw and a first screw sleeve matched with the first screw, the first screw sleeve is sleeved on the outside of the first extension, and the first screw and the first screw sleeve are screwed together; a socket, comprising a second shell, a plurality of female terminals are arranged on the second shell, the female terminal can be inserted into the male terminal, a plurality of hole channels are arranged on the second shell to accommodate the female terminal, one end of the female terminal is provided with a second extension, a plurality of second screw assemblies are arranged on the second shell, each second screw assembly comprises a second screw and a second screw sleeve matched with the second screw, the second screw sleeve is sleeved on the outside of the second extension, and the second screw and the second screw sleeve are screwed together.

2. The electrical connector of claim 1, wherein, A first screw protection ring is arranged on the outside of the first screw assembly to fix the position of the first screw assembly, and the first screw protection ring is arranged on one side of the first shell close to the first extension.

3. The electrical connector of claim 1, wherein, A second screw protection ring is arranged on the outside of the second screw assembly to fix the position of the second screw assembly, and the second screw protection ring is arranged on one side of the second shell close to the second extension.

4. The electrical connector of claim 2, wherein, The first screw protection ring is provided with a first notch close to the side wall of the first screw along the axial direction of the first screw, and the first notch facilitates the screwing of the first screw.

5. The electrical connector of claim 3, wherein, The second screw protection ring is provided with a second notch close to the side wall of the second screw along the axial direction of the second screw, and the second notch facilitates the screwing of the second screw.

6. The electrical connector of claim 1, wherein, The first shell is provided with a tubular first insertion part on the side away from the first extension, and the first insertion part is sleeved on the outside of the male terminal.

7. The electrical connector of claim 6, wherein, The second shell is provided with a tubular second insertion part on the side away from the second extension, and the second insertion part is sleeved on the outside of the female terminal and the hole channel accommodating the female terminal, when the male terminal and the female terminal are inserted into each other, the second insertion part is sleeved on the outside of the first insertion part.

8. The electrical connector of claim 7, wherein, The first insertion part is provided with a plurality of first positioning protrusions or first positioning recesses.

9. The electrical connector of claim 8, wherein, The second insertion part is provided with a plurality of second positioning protrusions matched with the first positioning protrusions or a plurality of second positioning recesses matched with the first positioning recesses.

10. The electrical connector of claim 9, wherein, A dustproof cover is hinged to the second insertion part.

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