CN210985107U

CN210985107U - Spark-proof electric connector

Info

Publication number: CN210985107U
Application number: CN201921675855.9U
Authority: CN
Inventors: 柏绍文
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-10
Anticipated expiration: 2029-09-30

Abstract

The utility model belongs to the technical field of electric plug-in components, in particular to a spark-proof electric connector, which comprises a male plug and a female plug which are mutually plugged; the female plug comprises a female shell, wherein a first positive electrode, a first negative electrode and a first signal connector are arranged in the female shell at intervals; the male plug comprises a male shell, and a second positive electrode, a second negative electrode and a second signal connector which correspond to the first positive electrode, the first negative electrode and the first signal connector are arranged in the male shell; the second positive electrode comprises a front electrode and a rear electrode, the rear electrode is connected in the male shell, and a resistor is connected between the front electrode and the rear electrode so as to reduce the current passing through the second positive electrode when the second positive electrode is in contact with the first positive electrode; the resistance is additionally arranged in the second positive electrode, so that the instant heavy current generated when the electrodes are contacted is reduced, the generation of sparks is avoided, the structure is stable, and the safety performance is high.

Description

Spark-proof electric connector

Technical Field

The utility model belongs to the technical field of the electric mortiser union piece, especially, relate to a spark-proof electric connector.

Background

The existing power supply and signal combined electric connector is applicable to electrical appliances or devices with larger power, electrodes in a male plug and a female plug in the electric connector are in direct contact, instantaneous current is overlarge, a contact point is very easy to cause spark phenomenon, the electric connector or the electrical appliances can be burnt out when the electric connector or the electrical appliances are serious, and the human body can be injured.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spark-proof electric connector aims at solving the condition that leads to the emergence spark because of producing super large electric current in the twinkling of an eye when public plug and female plug peg graft among the prior art.

In order to achieve the above object, an embodiment of the present invention provides a spark-proof electrical connector, which includes a male plug and a female plug that are inserted into each other; the female plug comprises a female shell, wherein a first positive electrode, a first negative electrode and a first signal connector are arranged in the female shell at intervals; the male plug comprises a male shell, and a second positive electrode, a second negative electrode and a second signal connector which correspond to the first positive electrode, the first negative electrode and the first signal connector are arranged in the male shell; the second positive electrode includes front electrode and rear electrode, the rear electrode connect in the public casing, the front electrode with be connected with a resistance between the rear electrode so that reduce the second positive electrode with pass through when first positive electrode contacts the electric current of second positive electrode.

Optionally, one end of the rear electrode is connected to the male housing, the other end of the rear electrode is provided with a clamping groove, one end of the resistor is clamped in the clamping groove, one end of a connecting piece penetrates through the resistor and is connected to the clamping groove, and the other end of the connecting piece is connected to the front electrode.

Optionally, be equipped with accommodation space in the public casing, the second positive electrode the second negative electrode with the second signal connector all locates in the accommodation space, the inside wall of public casing with the outside wall of female casing pastes.

Optionally, the female housing comprises two electrode mounting parts and a signal mounting part; two be equipped with respectively on the electrode installation department and be used for the installation first positive electrode with the electrode mounting groove of second positive electrode, signal installation department locates two between the electrode installation department, be equipped with on the signal installation department and be used for the installation the signal connection mounting groove of first signal connection, two the lateral wall of electrode installation department with the inside wall of public casing pastes.

Optionally, the first positive electrode and the first negative electrode are both in an annular structure, outer side walls of the first positive electrode and the first negative electrode are respectively attached to inner side walls of the electrode mounting grooves, and inner side walls of the first positive electrode and the first negative electrode are used for being attached to outer side walls of the second positive electrode and the second negative electrode.

Optionally, the top surfaces of the two electrode mounting parts are higher than the top surface of the signal mounting part.

Optionally, the outer side wall of one of the electrode mounting parts is provided with a guide part for guiding when the male plug is plugged into the female plug.

Optionally, the resistance value range of the resistor is 1-50 Ω.

Optionally, the two electrode mounting parts and the two signal mounting parts are integrally formed by injection molding.

Optionally, a limiting convex edge is arranged on the outer side wall of the female shell.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the spark-proof electric connector have one of following technological effect at least: the resistance is additionally arranged in the second positive electrode, the second positive electrode is separated into the front end electrode and the rear end electrode, when the male plug and the female plug are plugged, the first positive electrode is in contact with the second positive electrode, and current flows to the rear end electrode through the resistance after passing through the front end electrode, so that instantaneous large current generated when the electrodes are in contact is reduced, spark generation is avoided, the structure is stable, and the safety performance is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a spark-proof electrical connector according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of a spark-proof electrical connector according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view of the female socket provided by the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a female socket according to an embodiment of the present invention.

Fig. 5 is a cross-sectional view of a male receptacle according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a male receptacle according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-male plug 11-male shell 12-second positive electrode

13-second negative electrode 14-second signal connector 15-front electrode

16-rear end electrode 17-resistor 18-card slot

19-connecting piece 20-female plug 21-female shell

22-first positive electrode 23-first negative electrode 24-first signal connector

25-electrode mounting part 26-signal mounting part 27-electrode mounting groove

28-signal connector mounting groove 29-guide part 30-accommodating space

31-limit convex edge.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-6 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In one embodiment of the present invention, as shown in fig. 1 to 6, there is provided a spark-proof electrical connector, comprising a male plug 10 and a female plug 20 which are inserted into each other; the female plug 20 comprises a female shell 21, wherein a first positive electrode 22, a first negative electrode 23 and a first signal connector 24 are arranged in the female shell 21 at intervals; the male plug 10 comprises a male shell 11, wherein a second positive electrode 12, a second negative electrode 13 and a second signal connector 14 corresponding to a first positive electrode 22, a first negative electrode 23 and a first signal connector 24 are arranged in the male shell 11; the second positive electrode 12 includes a front electrode 15 and a rear electrode 16, the rear electrode 16 is connected in the male housing 11, and a resistor 17 is connected between the front electrode 15 and the rear electrode 16 to reduce the current passing through the second positive electrode 12 when the second positive electrode 12 contacts the first positive electrode 22.

The embodiment of the utility model provides an in, add resistance 17 in the second positive electrode 12, separate second positive electrode 12 for front end electrode 15 and rear end electrode 16, when public plug 10 and female plug 20 peg graft, first positive electrode 22 and second positive electrode 12 contact, and the electric current passes through resistance 17 after advancing front end electrode 15, flows to rear end electrode 16 again to the heavy current in the twinkling of an eye that produces when having reduced and contacting between the electrode avoids the production of spark, stable in structure, and the security performance is high.

In another embodiment of the present invention, as shown in fig. 5 to 6, one end of the rear electrode 16 of the electrical connector with spark prevention is connected to the male housing 11, the other end of the rear electrode 16 is provided with a slot 18, one end of the resistor 17 is clamped in the slot 18, one end of a connecting member 19 passes through the resistor 17 and is connected to the slot 18, and the other end of the connecting member 19 is connected to the front electrode 15; one end of the resistor 17 is attached to the bottom surface of the clamping groove 18, the other end of the resistor 17 is attached to the side surface of the rear electrode 16, the axial gap of the second positive electrode 12 is reduced, the structural design is reasonable, and the structural stability is improved.

In another embodiment of the present invention, as shown in fig. 5 to 6, an accommodating space 30 is provided in the male housing 11 of the electrical connector with spark prevention, the second positive electrode 12, the second negative electrode 13 and the second signal connector 14 are all disposed in the accommodating space 30, the inner side wall of the male housing 11 is attached to the outer side wall of the female housing 21, the shaking after the insertion between the male housing 11 and the female housing 21 is reduced, and the stability of the male plug 10 and the female plug 20 in the insertion process is improved.

In another embodiment of the present invention, as shown in fig. 3 to 4, the female housing 21 of the spark-proof electrical connector includes two electrode mounting portions 25 and a signal mounting portion 26; the two electrode mounting parts 25 are respectively provided with an electrode mounting groove 27 for mounting the first positive electrode 22 and the second positive electrode 12, the signal mounting part 26 is arranged between the two electrode mounting parts 25, the signal mounting part 26 is provided with a signal connector mounting groove 28 for mounting the first signal connector 24, and the outer side walls of the two electrode mounting parts 25 are attached to the inner side wall of the male shell 11; the electrode mounting part 25 and the signal mounting part 26 are arranged, so that the first signal connector 24, the first positive electrode 22 and the first negative electrode 23 are independent from each other, the plugging process of the male plug 10 and the female plug 20 is not influenced mutually, and the stability is further improved.

In another embodiment of the present invention, as shown in fig. 3 to 4, the first positive electrode 22 and the first negative electrode 23 of the electrical connector with spark prevention are both in a ring structure, outer sidewalls of the first positive electrode 22 and the first negative electrode 23 are respectively attached to inner sidewalls of the electrode mounting groove 27, and inner sidewalls of the first positive electrode 22 and the first negative electrode 23 are used for being attached to outer sidewalls of the second positive electrode 12 and the second negative electrode 13; after the male plug 10 and the female plug 20 are plugged, the first positive electrode 22 and the first negative electrode 23 respectively coat the second positive electrode 12 and the second negative electrode 13, so that the stability during connection is improved.

In another embodiment of the present invention, as shown in fig. 3 to 4, the top surfaces of the two electrode mounting portions 25 of the spark-proof electrical connector are higher than the top surface of the signal mounting portion 26, so that the electrodes are contacted with each other first, and the signal contacts are contacted with each other later, thereby further improving the stability.

In another embodiment of the present invention, as shown in fig. 3 to 4, the outer sidewall of one of the electrode mounting portions 25 of the electrical connector with spark prevention is provided with a guiding portion 29 for guiding when the male plug 10 and the female plug 20 are plugged, so that the directions of the male plug 10 and the female plug 20 are prevented from being opposite to each other, and the safety performance is improved.

Further, the guide portion 29 is formed by two symmetrical inclined surfaces and a connecting surface connected between the two inclined surfaces, both of which are attached to the inner side wall of the male housing 11.

In another embodiment of the present invention, the resistance value of the resistor 17 of the spark-proof electrical connector ranges from 1 Ω to 50 Ω; the resistor 17 can be selected from 1 Ω, 10 Ω, 20 Ω, 30 Ω, 40 Ω or 50 Ω, and is suitable for different situations and selected according to actual situations.

In another embodiment of the present invention, the two electrode mounting portions 25 and the two signal mounting portions 26 of the spark-proof electrical connector are integrally formed by injection molding, which is convenient for processing and has stable structure.

In another embodiment of the present invention, as shown in fig. 3 to 4, a spacing convex edge 31 is disposed on the outer sidewall of the female housing 21 of the electrical connector with spark prevention, and the male plug 10 is spacing to the male plug 10 after being plugged into the female plug 20, so that the male plug 10 is plugged into the female socket within a predetermined range, and the stability is further improved.

Further, protective cases are arranged on the male plug 10 and the female plug 20, and are used for protecting the electrode and the signal connector.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A spark-proof electric connector comprises a male plug and a female plug which are mutually inserted; the female plug is characterized by comprising a female shell, wherein a first positive electrode, a first negative electrode and a first signal connector are arranged in the female shell at intervals; the male plug comprises a male shell, and a second positive electrode, a second negative electrode and a second signal connector which correspond to the first positive electrode, the first negative electrode and the first signal connector are arranged in the male shell; the second positive electrode includes front electrode and rear electrode, the rear electrode connect in the public casing, the front electrode with be connected with a resistance between the rear electrode so that reduce the second positive electrode with pass through when first positive electrode contacts the electric current of second positive electrode.

2. The electrical connector according to claim 1, wherein one end of the rear electrode is connected to the male housing, the other end of the rear electrode is provided with a slot, one end of the resistor is clamped in the slot, one end of a connector passes through the resistor and is connected to the slot, and the other end of the connector is connected to the front electrode.

3. The electrical connector according to claim 1, wherein an accommodating space is provided in the male housing, the second positive electrode, the second negative electrode and the second signal connector are all provided in the accommodating space, and an inner sidewall of the male housing is attached to an outer sidewall of the female housing.

4. The spark-resistant electrical connector as recited in claim 3, wherein the female housing includes two electrode mounts and a signal mount; two be equipped with respectively on the electrode installation department and be used for the installation first positive electrode with the electrode mounting groove of second positive electrode, signal installation department locates two between the electrode installation department, be equipped with on the signal installation department and be used for the installation the signal connection mounting groove of first signal connection, two the lateral wall of electrode installation department with the inside wall of public casing pastes.

5. The spark-proof electrical connector according to claim 4, wherein the first positive electrode and the first negative electrode are both in a ring-shaped structure, outer side walls of the first positive electrode and the first negative electrode are respectively attached to inner side walls of the electrode mounting grooves, and inner side walls of the first positive electrode and the first negative electrode are used for being attached to outer side walls of the second positive electrode and the second negative electrode.

6. The spark-resistant electrical connector as recited in claim 4, wherein a top surface of both of the electrode mounting portions is higher than a top surface of the signal mounting portion.

7. The spark-proof electrical connector as claimed in claim 4, wherein an outer side wall of one of the electrode mounting portions is provided with a guide portion for guiding when the male plug and the female plug are plugged.

8. The spark-proof electrical connector according to any one of claims 1 to 7, wherein the resistance value of the resistor ranges from 1 Ω to 50 Ω.

9. The spark-proof electrical connector as claimed in any one of claims 4 to 7, wherein the two electrode mounting portions and the two signal mounting portions are integrally formed by injection molding.

10. The electrical connector with the fire protection function according to any one of claims 1 to 7, wherein a limiting convex edge is arranged on an outer side wall of the female housing.