CN216436195U

CN216436195U - Electric connector

Info

Publication number: CN216436195U
Application number: CN202122815148.9U
Authority: CN
Inventors: 周忠益
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-05-03
Anticipated expiration: 2031-11-15

Abstract

The utility model provides an electric connector, it includes: female plug, with female plug-in connection's public plug, female plug includes: first grafting casing is located slot in the first grafting casing, public plug includes: the second plug-in shell is arranged on a contact pin in the second plug-in shell, a plurality of first butt bulges are arranged on the inner wall of the first plug-in shell, a plurality of second butt bulges are arranged on the outer wall of the slot, the second plug-in shell is plugged in the slot and the first plug-in shell, and then the first butt bulges are butted with the outer wall of the second plug-in shell and the second butt bulges are butted with the inner wall of the second plug-in shell. The utility model has the advantages that: compared with the traditional electric connector which is fixed by friction, the pulling and inserting of the electric connector are more labor-saving, and the wear is less; compared with a structure connected by a connecting nut, the structure is simpler, the cost is lower, the operation is more convenient and faster, and the use experience of a user is promoted.

Description

Electric connector

Technical Field

The utility model belongs to the technical field of the connector, in particular to electric connector.

Background

With the development of science and technology and the progress of times, people have higher and higher requirements on the durability and the reliability of industrial products, and the electric connector is used for connecting different system units and conducting electric signals, so that whether electronic equipment can be normally used or not and plays a vital role.

At present, most of electric connectors are provided with a male plug inserted into a female plug, the male plug and the female plug are in interference fit, and the male plug and the female plug are fixed by surface-to-surface friction force, the fixing mode needs to exert too much force in the plugging process, and the electric connectors are seriously worn in the process of multiple plugging and unplugging processes, so that poor contact is caused, the electronic equipment is damaged, and unnecessary loss is caused to people;

or use coupling nut to be in the same place public plug and female plug connection, specifically be equipped with the external screw thread in one of them outside of public plug or female plug, wherein the activity sets up the nut with external screw thread looks adaptation on another, back in public plug inserts the female plug, nut and external screw thread threaded connection, and then with public plug and female plug reciprocal anchorage, under this kind of condition, it is not high to the degree requirement of mutually supporting of public plug and female plug, but this kind of condition structure is comparatively complicated, the operation is also comparatively loaded down with trivial details, be unfavorable for promoting user's use experience.

SUMMERY OF THE UTILITY MODEL

The main object of the present invention is to provide an electrical connector, wherein a plurality of first abutting protrusions are disposed on the inner wall of a first plug housing of a female plug, a plurality of second abutting protrusions are disposed on the outer wall of a slot, and after a male plug is inserted into the female plug, the first abutting protrusions abut against the outer wall of a second plug housing, and the second abutting protrusions abut against the inner wall of the second plug housing, thereby fixing the second plug housing in the first plug housing, compared with the conventional electrical connector fixed by friction, the utility model has the advantages of more labor-saving plugging and less wear, thereby prolonging the service life of the electrical connector; compare in the condition of connecting with coupling nut, the utility model discloses a structure is simpler, the cost is lower relatively, operates convenient and fast more, is favorable to promoting user's use and experiences.

In order to solve the technical problem, the utility model provides a following technical scheme:

an electrical connector, comprising: female plug, with female plug-in connection's public plug, female plug includes: first grafting casing is located slot in the first grafting casing, public plug includes: the second plug-in shell is arranged on a plug pin in the second plug-in shell, and after the plug pin is plugged in the slot, the second plug-in shell is plugged between the slot and the first plug-in shell; the inner wall of the first plug-in shell is provided with a plurality of first butt bulges, the outer wall of the slot is provided with a plurality of second butt bulges, the second plug-in shell is plugged between the slot and the first plug-in shell, the first butt bulges are butted with the outer wall of the second plug-in shell, the second butt bulges are butted with the inner wall of the second plug-in shell, and the second plug-in shell is fixed in the first plug-in shell.

As a preferable scheme of the electrical connector, the plurality of first abutting convex rings are arranged in parallel at intervals on the inner wall of the first plug-in housing, the first abutting convex is convex towards the outer wall of the slot and is an arc-shaped convex, and the first abutting convex can abut against the outer wall of the second plug-in housing and is conductive; the second abutting bulges are arranged in parallel at intervals on the outer wall of the slot, protrude towards the inner wall of the first plug-in shell and form bent bulges, and can abut against the inner wall of the second plug-in shell and conduct electricity; still be equipped with insulating plastics between the inner wall of second grafting casing and the outer wall, insulating plastics are used for preventing the inner wall and the outer wall short circuit of second grafting casing.

As an electric connector's a preferred scheme, the inner wall of first grafting casing is corresponding first butt bellied position is equipped with first mounting groove, the bellied both ends butt of first butt is corresponding the inner wall of first mounting groove, the bellied both ends of first butt still are fixed in the tank bottom and the contact of first mounting groove are electrically conductive, the arc protruding with form first elastic gap between the first mounting groove tank bottom.

As a preferable scheme of the electrical connector, a second mounting groove is formed in the outer wall of the slot at a position corresponding to the second abutting protrusion, two ends of the second abutting protrusion are fixed to the bottom of the second mounting groove, and a second elastic gap is formed between the bent protrusion and the second mounting groove.

As an optimal scheme of the electric connector, the first abutting protrusion and the second abutting protrusion are made of phosphor copper, and the inner wall and the outer wall of the second plug-in shell are made of brass.

As a preferable scheme of the electrical connector, the surface of the first abutting projection is provided with a nickel plating layer, the surface of the second abutting projection is provided with a gold plating layer, and the inner wall and the outer wall of the second inserting casing are both provided with nickel plating layers.

As a preferable scheme of the electrical connector, the slot is made of insulating plastic, an electrical plug contact is fixed on an inner wall of the slot, and the insulating plastic is used for preventing the second abutting protrusion from being short-circuited with the electrical plug contact; the plug contact piece is hollow, and the plug pin extends into the slot and then is plugged with the plug contact piece to be in contact with the plug contact piece for conducting electricity.

As a preferred scheme of the electrical connector, the electrical contact is made of phosphor copper, and a gold plating layer is arranged on the surface of the electrical contact; the contact pin is made of low-carbon steel, and a copper plating layer or a gold plating layer is arranged on the surface of the contact pin.

As an optimal scheme of the electric connector, the tail of the female plug is provided with a female first electrode and a female second electrode, the female first electrode and the female contact piece are integrally formed, the female second electrode and the second abutting protrusion are integrally formed, and the first inserting shell serves as a female third electrode.

As an optimal scheme of the electric connector, a male plug first electrode is arranged at the tail of the male plug, the male plug first electrode and the contact pin are integrally formed, the inner wall of the second plug-in shell serves as a male plug second electrode, and the outer wall of the second plug-in shell serves as a male plug third electrode.

The utility model has the advantages that:

1. the inner wall of the first plug-in shell of the female plug is provided with a plurality of first butt bulges, the outer wall of the slot is provided with a plurality of second butt bulges, after the male plug is inserted into the female plug, the first butt bulges are abutted against the outer wall of the second plug-in shell, and the second butt bulges are abutted against the inner wall of the second plug-in shell, so that the second plug-in shell is fixed in the first plug-in shell, compared with the traditional electric connector which is fixed by friction force, the utility model discloses more labor-saving to pull out and insert, less wear, thereby prolonging the service life of the electric connector; compare in the condition of connecting with coupling nut, the utility model discloses a structure is simpler, the cost is lower relatively, operates convenient and fast more, is favorable to promoting user's use and experiences.

2. The plurality of first abutting bulge rings and the first plug-in shell are arranged in parallel at intervals, the outer walls of the plurality of second abutting bulge ring slots are arranged in parallel at intervals, and the first abutting bulges are arc-shaped bulges and the second abutting bulges are bent bulges, so that when the second plug-in shell of the male connector is plugged between the first abutting bulges and the second abutting bulges, the first abutting bulges, the second abutting bulges and the inner and outer walls of the second plug-in shell form line contact, the contact area is small, the operation is convenient and fast, and time and labor are saved; a first elastic gap is formed between the first abutting bulge and the inner wall of the first plug-in shell; form the second elastic gap between second butt arch and slot outer wall, the existence of first elastic gap and second elastic gap makes first butt arch and second butt arch have the effect of elastic force, and first butt arch and the protruding interior outer wall of tightly second grafting casing that supports of second butt are in for in the firm female plug that is fixed in of public plug, and elastic force makes the existence to make frictional force reduce relatively moreover, is favorable to reducing wear.

3. Be equipped with the nickel coating on the bellied surface of first butt, be equipped with the gold coating on the bellied surface of second butt, be equipped with the nickel coating on the interior outer wall surface of second grafting casing, further improve the anti friction ability of the bellied interior outer wall of first butt, second butt and second grafting casing to promote electric connector's life.

4. The utility model realizes different functions by adding more stages, and when the utility model is used in common electrical appliances, the function of the common electric connector can be realized only by not connecting the third electrode with electricity; in special cases, such as when the connector is active in a two-color lamp, the lamp displays one color when the first and second electrodes are energized and another color when the second and third electrodes are energized, further increasing the functional expandability of the electrical connector.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic structural diagram of an electrical connector provided in an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the electrical connector shown in FIG. 1;

FIG. 3 is a schematic view of the male plug of the electrical connector shown in FIG. 2;

FIG. 4 is a schematic cross-sectional view of a male plug of the electrical connector shown in FIG. 3;

FIG. 5 is a schematic view of the female plug of the electrical connector shown in FIG. 2;

fig. 6 is a schematic cross-sectional view of the female plug of the electrical connector shown in fig. 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, fig. 1 is a schematic structural diagram of an electrical connector according to an embodiment of the present invention; fig. 2 is a cross-sectional view of the electrical connector of the present invention;

fig. 3 is a schematic structural view of a male plug of the electrical connector of the present invention; fig. 4 is a schematic cross-sectional view of a male plug of the electrical connector of the present invention; fig. 5 is a schematic structural diagram of a female plug of the electrical connector of the present invention; fig. 6 is a schematic cross-sectional view of a female plug of the electrical connector of the present invention.

An embodiment of the utility model provides an electric connector, it includes: female plug 10, with female plug 10 plug-in connection's male plug 20, female plug 10 includes: first plug housing 11, locate slot 12 in the first plug housing 11, public plug 20 includes: the second plug-in housing 21 is arranged at the pin 22 in the second plug-in housing 21, and after the pin 22 is plugged in the slot 12, the second plug-in housing 21 is plugged between the slot 12 and the first plug-in housing 11;

the first inserting casing 11 is internally provided with a plurality of first abutting protrusions 13, the outer wall of the inserting groove 12 is provided with a plurality of second abutting protrusions 121, the second inserting casing 21 is inserted between the inserting groove 12 and the first inserting casing 11, the plurality of first abutting protrusions 13 abut against the outer wall of the second inserting casing 21, the plurality of second abutting protrusions 121 abut against the inner wall of the second inserting casing 21, and the second inserting casing 21 is fixed in the first inserting casing 11.

In the present invention, the inner wall of the first plug housing 11 of the female plug 10 is provided with a plurality of the first abutting protrusions 13, the outer wall of the insertion groove 12 is provided with a plurality of the second abutting protrusions 121, and after the male plug 20 is inserted into the female plug 10, the first abutting protrusions 13 abut against the outer wall of the second plug housing 21, and the second abutting protrusions 121 abut against the inner wall of the second plug housing 21, so as to fix the second plug housing 21 in the first plug housing 11, compared with the conventional electric connector fixed by friction force, the present invention is more labor-saving in plugging and unplugging, and less in wear, thereby prolonging the service life of the electric connector; compare in the condition of connecting with coupling nut, the utility model discloses a structure is simpler, the cost is lower relatively, operates convenient and fast more, is favorable to promoting user's use and experiences.

In the present invention, the slot 12 is made of insulating plastic, the inner wall of the slot 12 is fixed with an electrical contact 122, and the insulating plastic is used to prevent the second abutting protrusion 121 and the electrical contact 122 from being short-circuited; the plug contact 122 is hollow, and the plug pin 22 extends into the slot 12 and then is inserted into the plug contact 122 and contacts with the plug contact 122 for conduction.

Furthermore, in the utility model discloses in, plug contact 122 is the phosphorus copper material plug contact 122's surface is equipped with the gold plating layer, contact pin 22 is low carbon steel contact pin 22's surface is equipped with copper plating layer or gold plating layer, further improves contact pin 22 with plug contact 122's anti friction ability to promote electric connector's life.

In order to realize the function of the electrical connector, the tail of the female plug 10 is provided with a female first electrode 14 and a female second electrode 15, the female first electrode 14 and the male contact 122 are integrally formed, the female second electrode 15 and the second abutting protrusion 121 are integrally formed, and the first plug-in housing 11 serves as a female third electrode.

The tail of the male plug 20 is provided with a male plug first electrode 23, the male plug first electrode 23 and the contact pin 22 are integrally formed, the inner wall of the second plug-in shell 21 serves as a male plug second electrode, and the outer wall of the second plug-in shell 21 serves as a male plug third electrode.

In practical cases, the female plug first electrode 14 is electrically connected to the male plug first electrode 23, the female plug second electrode 15 is electrically connected to the male plug second electrode, and the female plug third electrode is electrically connected to the male plug third electrode, so as to electrically connect the male plug 20 and the female plug 10.

The utility model realizes different functions by adding more stages, and when the utility model is used in common electrical appliances, the function of the common electric connector can be realized only by not connecting the third electrode with electricity; in special cases, such as when the connector is active in a two-color lamp, the lamp displays one color when the first and second electrodes are energized and another color when the second and third electrodes are energized, further increasing the functional expandability of the electrical connector.

In a specific case, the first abutting projection 13 and the second abutting projection 121 are specifically arranged in such a way that a plurality of first abutting projections 13 are arranged in parallel at intervals around the inner wall of the first plug-in housing 11, the first abutting projections 13 are projected toward the outer wall of the insertion slot 12 to form arc-shaped projections, and the first abutting projections 13 can abut against the outer wall of the second plug-in housing 21 and are electrically conductive;

the second abutting protrusions 121 are arranged in parallel at intervals around the outer wall of the slot 12, the second abutting protrusions 121 protrude towards the inner wall of the first plug-in housing 11 to form bent protrusions, and the second abutting protrusions 121 can abut against the inner wall of the second plug-in housing 21 and conduct electricity;

an insulating plastic 24 is further arranged between the inner wall and the outer wall of the second plug-in housing 21, and the insulating plastic 24 is used for preventing the inner wall and the outer wall of the second plug-in housing 21 from being short-circuited.

In order to realize the installation of first butt arch 13 with second butt arch 121, the inner wall of first plug housing 11 is corresponding first mounting groove 111 is equipped with in the protruding position of first butt 13, the both ends butt of first butt arch 13 is corresponding the inner wall of first mounting groove 111, the both ends of first butt arch 13 still are fixed in the tank bottom and the contact of first mounting groove 111 are electrically conductive, arc protruding with form first elastic gap 110 between the first mounting groove 111 tank bottom.

A second mounting groove 123 is formed in the outer wall of the slot 12 at a position corresponding to the second abutting protrusion 121, two ends of the second abutting protrusion 121 are fixed at the bottom of the second mounting groove 123, and a second elastic gap 120 is formed between the bent protrusion and the second mounting groove 123.

Because the first abutting bulge 13 is an arc-shaped bulge, and the second abutting bulge 121 is a bent bulge, when the second plug-in housing 21 of the male connector is inserted between the first abutting bulge 13 and the second abutting bulge 121, the first abutting bulge 13, the second abutting bulge 121 and the inner and outer walls of the second plug-in housing 21 form line contact, the contact area is small, the operation is convenient and fast, and time and labor are saved; since the first elastic gap 110 is formed between the first abutting projection 13 and the inner wall of the first plug housing 11; the second elastic gap 120 is formed between the second abutting protrusion 121 and the outer wall of the slot 12, the first abutting protrusion 13 and the second abutting protrusion 121 have elastic force function due to the first elastic gap 110 and the second elastic gap 120, the first abutting protrusion 13 and the second abutting protrusion 121 abut against the inner wall and the outer wall of the second plug-in housing 21, so that the male plug 20 is firmly fixed in the female plug 10, and friction force is relatively reduced due to the elastic force, which is beneficial to reducing abrasion.

Furthermore, as the utility model discloses a preferred scheme, first butt is protruding 13 with the protruding 121 of second butt is the phosphorus copper material, the inner wall and the outer wall of second grafting casing 21 are the brass material, the surface of the protruding 13 of first butt is equipped with the nickel-plating layer, the surface of the protruding 121 of second butt is equipped with the gold-plating layer, the inner wall and the outer wall of second grafting casing 21 all are equipped with the nickel-plating layer.

When being equipped with the nickel coating on the surface of first butt arch 13, being equipped with the gold coating on the surface of second butt arch 121, when the interior outer wall surface of second plug-in housing 21 is equipped with the nickel coating, further improve the anti friction ability of first butt arch 13, second butt arch 121 and the interior outer wall of second plug-in housing 21 to promote electric connector's life.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. An electrical connector, comprising: female plug, with female plug-in connection's public plug, female plug includes: first grafting casing is located slot in the first grafting casing, public plug includes: the second plug-in shell is arranged on a plug pin in the second plug-in shell, and after the plug pin is plugged in the slot, the second plug-in shell is plugged between the slot and the first plug-in shell;

the inner wall of the first plug-in shell is provided with a plurality of first butt bulges, the outer wall of the slot is provided with a plurality of second butt bulges, the second plug-in shell is plugged between the slot and the first plug-in shell, the first butt bulges are butted with the outer wall of the second plug-in shell, the second butt bulges are butted with the inner wall of the second plug-in shell, and the second plug-in shell is fixed in the first plug-in shell.

2. The electrical connector of claim 1, wherein a plurality of the first abutting projections are arranged in parallel at intervals around the inner wall of the first plug housing, the first abutting projections project toward the outer wall of the insertion slot as arc-shaped projections, and the first abutting projections can abut against the outer wall of the second plug housing and conduct electricity;

the second abutting bulges are arranged in parallel at intervals on the outer wall of the slot, protrude towards the inner wall of the first plug-in shell to form bent bulges, and can abut against the inner wall of the second plug-in shell and conduct electricity;

still be equipped with insulating plastics between the inner wall of second grafting casing and the outer wall, insulating plastics are used for preventing the inner wall and the outer wall short circuit of second grafting casing.

3. The electrical connector of claim 2, wherein the inner wall of the first plug housing is provided with a first mounting groove at a position corresponding to the first abutting protrusion, two ends of the first abutting protrusion abut against the inner wall of the corresponding first mounting groove, two ends of the first abutting protrusion are further fixed to the bottom of the first mounting groove and are in contact conduction, and a first elastic gap is formed between the arc-shaped protrusion and the bottom of the first mounting groove.

4. The electrical connector as claimed in claim 2, wherein the outer wall of the slot is provided with a second mounting groove at a position corresponding to the second abutting protrusion, two ends of the second abutting protrusion are fixed to a groove bottom of the second mounting groove, and a second elastic gap is formed between the bent protrusion and the second mounting groove.

5. The electrical connector of claim 3 or 4, wherein the first abutting projection and the second abutting projection are made of phosphor copper, and the inner wall and the outer wall of the second plug housing are made of brass.

6. The electrical connector of claim 5, wherein a surface of the first abutting projection is provided with a nickel plating layer, a surface of the second abutting projection is provided with a gold plating layer, and both the inner wall and the outer wall of the second plug housing are provided with a nickel plating layer.

7. The electrical connector of claim 1, wherein the slot is made of an insulating plastic material, and a plug contact is fixed on an inner wall of the slot, and the insulating plastic material is used for preventing the second abutting protrusion and the plug contact from being short-circuited;

the plug contact is hollow, and the plug pin extends into the slot and then is plugged with the plug contact and contacts with the plug contact for electric conduction.

8. The electrical connector of claim 7, wherein the electrical contact is made of phosphor copper, and a gold plating layer is disposed on a surface of the electrical contact;

the contact pin is made of low-carbon steel, and a copper plating layer or a gold plating layer is arranged on the surface of the contact pin.

9. The electrical connector of claim 8, wherein the tail portion of the female plug is provided with a female first electrode and a female second electrode, the female first electrode and the male contact are integrally formed, the female second electrode and the second abutting projection are integrally formed, and the first plug housing serves as a female third electrode.

10. The electrical connector of claim 9, wherein the tail of the male plug is provided with a male plug first electrode, the male plug first electrode and the contact pin are integrally formed, the inner wall of the second plug housing serves as a male plug second electrode, and the outer wall of the second plug housing serves as a male plug third electrode.