CN211404754U

CN211404754U - Plug bush of electric connector

Info

Publication number: CN211404754U
Application number: CN202020442361.2U
Authority: CN
Inventors: 项安莲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-09-01
Anticipated expiration: 2030-03-31

Abstract

The utility model relates to an electric connector plug bush, including the main part that is the tube-shape, the opening of main part one end is used for inserting the plug as plug socket, the opening of the other end locks the wire in the screw thread locking piece of wire socket department as supplying wire male wire socket and being provided with the wire, outer screw hole has been seted up to the main part side, it is provided with the terminal block to be located the fixed wiring of wire socket department in the main part, the terminal block is provided with the opening towards wire socket's wiring groove, the terminal block side is provided with the internal thread hole with the external thread hole is coaxial, the screw thread locking piece passes outer screw hole and internal thread hole in proper order from the. Adopt above-mentioned scheme, the utility model provides an improve electric connector plug bush of wire locking strength.

Description

Plug bush of electric connector

Technical Field

The utility model relates to an electric connector field, concretely relates to electric connector plug bush.

Background

An electrical connector bridges two conductors in a loop so that current or signals can flow from one conductor to the conductor means of the other conductor. Electrical connectors typically include a plug and a sleeve that form an electrical connection by mating.

Traditional plug bush is used for inserting the plug as plug socket including the main part that is the tube-shape, the opening of main part one end, and the opening of the other end locks the wire in the screw thread locking piece of wire socket department as supplying wire male wire socket and being provided with the wire, and the main part side is seted up and is supplied the screw thread locking piece to stretch into wire socket and with screw thread locking piece screw-thread fit's mounting hole. However, the plug bush with such a structure has a certain disadvantage that the depth of the threaded hole formed in the side surface is limited due to the limited wall thickness of the main body, so that the threaded matching area of the threaded locking piece in threaded matching with the threaded hole is limited, and the locking strength is insufficient.

Disclosure of Invention

Not enough to prior art exists, the utility model aims to provide an improve electric connector plug bush of wire locking strength.

In order to achieve the above purpose, the utility model provides a following technical scheme: including the main part that is the tube-shape, the opening of main part one end be used for inserting the plug as plug socket, the opening of the other end is as supplying wire male wire socket and being provided with the screw locking piece that locks the wire in wire socket department, the main part side seted up outer screw hole, its characterized in that: the main part in be located the fixed wiring piece that is provided with of wire socket department, the wiring piece be provided with the opening towards the wiring groove of wire socket, wiring piece side and the coaxial internal thread hole that is provided with of external screw thread hole, the screw locking piece pass outer screw hole and internal thread hole in proper order from the main part outside and lock the wire in the wiring groove.

Through adopting above-mentioned technical scheme, add the terminal block, by the mounting hole of the screw locking piece that original list constitutes by the external screw hole, change into and constitute by outer screw hole and internal thread hole combination to effectively increased the degree of depth of mounting hole, and then increased the screw-thread fit area of screw locking piece and mounting hole, effectively increased the locking strength of the wire that is located the wiring inslot under the screw locking piece locking.

The utility model discloses further set up to: the wiring groove be eccentric settings with the lug, the lug be located the wiring groove and be close to the wall thickness of internal thread hole one side and be greater than the wall thickness that is located the wiring groove and keeps away from internal thread hole one side.

Through adopting above-mentioned technical scheme, adjustment wiring groove position to eccentric position to make the terminal block be located the wiring groove and be close to the wall thickness of internal thread hole one side and increase gradually, keep away from the wall thickness of internal thread hole one side and reduce gradually, under the prerequisite that does not increase the major diameter, effectively increased the degree of depth in internal thread hole, thereby further increase the locking reliability of screw locking piece.

The utility model discloses further set up to: the other end face of the junction block opposite to the wire socket is used as a limiting face after the plug is inserted into the plug socket in place.

By adopting the technical scheme, the traditional plug bush needs to be bent inwards from the opening to form the limiting surface of the plug, and the wiring block automatically forms the limiting surface of the plug after the wiring block is arranged in the main body, so that the processing steps and the processing difficulty are reduced.

The utility model discloses further set up to: the main part be close to along circumference be provided with a plurality of deformation breachs that extend to the plug socket.

Through adopting above-mentioned technical scheme, add the deformation breach, make the main part diameter can produce a small amount of changes to automatically carry out the adaptation with the plug diameter, thereby eliminate the assembly degree of difficulty that the error brought, improve the practicality.

The utility model discloses further set up to: the main body is bent inwards at a position close to the plug jack to form a clamping bulge which is abutted against the outer side surface of the plug at the inner side of the main body.

Through adopting above-mentioned technical scheme, add the centre gripping arch, reduce with plug area of contact, reduce the plug and insert the frictional force that receives, improve plug male smooth and easy nature, simultaneously, increase through increasing deformation and press from both sides the clamp force of tight arch to the plug, improve centre gripping stability.

The utility model discloses further set up to: the main part bending position form spacing sunken in the main part outside, the main part be located spacing sunken cover and be equipped with the spacing ring of restriction main part expansion.

Through adopting above-mentioned technical scheme, add the spacing ring, form the effort of restriction main part expansion, this effort can improve the main part and press from both sides the clamping-force of tight protruding pair of plug, further improves clamping stability.

The utility model discloses further set up to: the limiting ring is provided with an adjusting gap which forms an opening on the limiting ring.

Through adopting above-mentioned technical scheme, add the regulation clearance, make the spacing ring have a small amount of functions of adjusting the diameter to make the spacing ring change in the cover reduce spacing main part expanded effort in spacing sunken, make the plug insert more smoothly.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is an exploded view of an embodiment of the present invention;

fig. 3 is a cross-sectional view of an embodiment of the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in figures 1-3, the utility model discloses an electric connector plug bush, which comprises a cylindrical main body 1, wherein the opening at one end of the main body 1 is used as a plug socket 11 for inserting a plug, the opening at the other end is used as a wire socket 12 for inserting a wire and is provided with a thread locking piece 3 for locking the wire at the wire socket 12, the side surface of the main body 1 is provided with an external thread hole 13, a junction block 2 is fixedly arranged at the wire socket 12 in the main body 1, the junction block 2 is provided with a junction slot 21 with an opening facing the wire socket 12, the side surface of the junction block 2 is provided with an internal thread hole 22 coaxially with the external thread hole 13, the thread locking piece 3 sequentially passes through the external thread hole 13 and the internal thread hole 22 from the outer side of the main body 1 to lock the wire at the junction slot 21, the junction block 2 is additionally arranged, the installation hole of the thread locking piece 3 originally composed of the, thereby effectively increased the degree of depth of mounting hole, and then increased the screw-thread fit area of screw-thread locking piece 3 and mounting hole, effectively increase the locking intensity of the wire that is located wiring groove 21 under the locking of screw-thread locking piece 3, in addition, lug 2 can adopt interference fit to fix with main part 1, perhaps makes lug 2 fixed through the deformation of main part 1, and screw-thread locking piece 3 generally adopts the bolt.

Wiring groove 21 is eccentric settings with lug 2, lug 2 is located that wiring groove 21 is close to the wall thickness a of internal thread hole 22 one side and is greater than and is located wiring groove 21 and keeps away from the wall thickness b of internal thread hole 22 one side, adjustment wiring groove 21 position to eccentric position, thereby make lug 2 be located wiring groove 21 and be close to the wall thickness of internal thread hole 22 one side and increase gradually, the wall thickness of keeping away from internal thread hole 22 one side reduces gradually, under the prerequisite that does not increase 1 diameter of main part, the degree of depth in internal thread hole 22 has effectively been increased, thereby further increase the locking reliability of screw locking piece 3.

The other end face of the junction block 2 opposite to the wire socket 12 is used as a limiting face 23 after the plug is inserted into the plug socket 11 in place, the traditional plug bush needs to be bent inwards from the opening to form the limiting face 23 of the plug, and the junction block 2 automatically forms the limiting face 23 of the plug after the junction block 2 is installed in the main body 1, so that the processing steps and the processing difficulty are reduced.

Main part 1 is close to along circumference being provided with a plurality of deformation breachs 14 that extend to plug socket 11, adds deformation breach 14, makes 1 diameter of main part can produce a small amount of changes to automatically carry out the adaptation with the plug diameter, thereby eliminate the assembly degree of difficulty that the error brought, improve the practicality.

The position that main part 1 is close to plug socket 11 is crooked to the inboard side forms the tight arch 15 of clamp that offsets with the plug lateral surface in main part 1 inboard, adds the centre gripping arch, reduces with plug area of contact, reduces the frictional force that the plug inserted and received, improves plug male smoothness nature, simultaneously, through increasing the clamp force of tight arch 15 of clamp to the plug, improves centre gripping stability.

The bending position of the main body 1 forms a limiting recess 16 outside the main body 1, the main body 1 is positioned on the limiting recess 16, a limiting ring 4 for limiting expansion of the main body 1 is sleeved on the main body 1, the limiting ring 4 is additionally arranged, an acting force for limiting expansion of the main body 1 is formed, the acting force can improve the clamping force of the main body 1 for clamping the plug, and the clamping stability is further improved.

The spacing ring 4 is provided with an adjusting gap 41 which forms an opening on the spacing ring 4, the adjusting gap 41 is additionally arranged, so that the spacing ring 4 has the function of adjusting the diameter by a small amount, the spacing ring 4 is easier to be sleeved on the spacing recess 16, the expanding acting force of the spacing main body 1 is reduced, and the plug is more smoothly inserted.

Claims

1. The utility model provides an electric connector plug bush, is including the main part that is the tube-shape, the opening of main part one end be used for inserting the plug as plug socket, the opening of the other end is as supplying wire male wire socket and being provided with the screw locking piece that locks the wire in wire socket department, the main part side seted up outer screw hole, its characterized in that: the main part in be located the fixed wiring piece that is provided with of wire socket department, the wiring piece be provided with the opening towards the wiring groove of wire socket, wiring piece side and the coaxial internal thread hole that is provided with of external screw thread hole, the screw locking piece pass outer screw hole and internal thread hole in proper order from the main part outside and lock the wire in the wiring groove.

2. The electrical connector insert of claim 1, wherein: the wiring groove be eccentric settings with the lug, the lug be located the wiring groove and be close to the wall thickness of internal thread hole one side and be greater than the wall thickness that is located the wiring groove and keeps away from internal thread hole one side.

3. The electrical connector insert of claim 1, wherein: the other end face of the junction block opposite to the wire socket is used as a limiting face after the plug is inserted into the plug socket in place.

4. The electrical connector insert of claim 1, wherein: the main part be close to along circumference be provided with a plurality of deformation breachs that extend to the plug socket.

5. The electrical connector insert of claim 4, wherein: the main body is bent inwards at a position close to the plug jack to form a clamping bulge which is abutted against the outer side surface of the plug at the inner side of the main body.

6. The electrical connector insert of claim 4, wherein: the main part bending position form spacing sunken in the main part outside, the main part be located spacing sunken cover and be equipped with the spacing ring of restriction main part expansion.

7. The electrical connector insert of claim 6, wherein: the limiting ring is provided with an adjusting gap which forms an opening on the limiting ring.