CN218632507U

CN218632507U - Electric connector and assembly thereof

Info

Publication number: CN218632507U
Application number: CN202222715188.0U
Authority: CN
Inventors: 黎飞
Original assignee: Shenzhen Qinben Electronic Co ltd
Current assignee: Shenzhen Qinben Electronic Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-03-14
Anticipated expiration: 2032-10-11

Abstract

The utility model discloses an electric connector and a component thereof, the electric connector comprises a plastic main body and a contact terminal, the plastic main body is provided with a containing cavity; the contact terminal comprises a plurality of contact parts and a plurality of connecting parts, the contact parts are arranged on the connecting parts at intervals, the contact parts are inserted into the accommodating cavity, and the connecting parts are exposed out of the accommodating cavity. This application can greatly reduced the probability that can't realize effective electrical property and switch on between the electric connector of this application and its paired electric connector because contact failure has effectively avoided the appearance of open circuit phenomenon, has improved the electric connector's of this application reliability.

Description

Electric connector and assembly thereof

Technical Field

The utility model relates to an electric connector technical field, in particular to electric connector and subassembly thereof.

Background

In the conventional electric connector, when the contact terminal of the electric connector is butted with the contact terminal of the electric connector matched with the electric connector, only one electric contact point in one contact terminal is usually contacted with the electric connector matched with the electric connector, and because the electric contact points are too few, the phenomenon of poor contact between the electric contact point of the electric connector and the contact terminal of the electric connector matched with the electric connector is easy to occur, so that the electric connector and the electric connector matched with the electric connector cannot be effectively electrically conducted to cause a disconnection phenomenon, and the reliability of the electric connector is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide an electrical connector and assembly thereof with high reliability.

An electrical connector, comprising:

the plastic rubber main body is provided with a containing cavity;

the contact terminal comprises a plurality of contact parts and a plurality of connecting parts, the contact parts are arranged on the connecting parts at intervals, the contact parts are inserted into the containing cavity, and the connecting parts are exposed out of the containing cavity.

Optionally, the number of the contact terminals is two, and the contact portions of the two contact terminals are inserted into the receiving cavity at intervals.

Optionally, the accommodating cavity includes a plurality of sub accommodating cavities arranged in an array, and the contact portions are arranged in the sub accommodating cavities in a one-to-one correspondence.

Optionally, a protrusion is disposed in the middle of the contact portion, and the protrusion is clamped in the sub-receiving cavity.

Optionally, the contact terminal further includes a first welding portion, the first welding portion is disposed at an end of the connecting portion away from the contact portion, and the first welding portion is exposed outside the plastic main body.

Optionally, the first welding part is zigzag.

Optionally, the electric connector further comprises a fixing piece, a clamping groove is formed in the bottom of the plastic main body, and the fixing piece is arranged in the clamping groove.

Optionally, the stator includes card portion of holding and second weld part, the second weld part set up in the both ends of holding the portion of holding, the portion card is held to the card and is blocked in the draw-in groove, the both ends of holding the portion of holding buckle downwards and with the second weld part is connected to form the type structure of dogging.

Optionally, the electrical connector further includes a buckle, and the buckle is disposed at the top end of the plastic body.

An electric connector assembly comprises the electric connector and a circuit board, wherein the electric connector is arranged on the circuit board.

This application is through setting up a plurality of contact site intervals on connecting portion, when a plurality of contact sites contacted rather than the contact terminal of mating electric connector, can make the electric connector of this application and its mating electric connector's electric contact point be a plurality of, even if the bad contact phenomenon appears between one of them contact site of this application and the mating electric connector, still unnecessary contact site is good with the electric connector contact of mating, greatly reduced the electric connector of this application and its mating electric connector between the probability that can't realize effective electrical property and switch on because of the bad contact, effectively avoided the appearance of open circuit phenomenon, the electric connector's of this application reliability has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic diagram of an electrical connector according to an embodiment;

FIG. 2 is a schematic diagram illustrating another perspective view of the electrical connector according to an embodiment;

FIG. 3 is a schematic diagram of a contact terminal of the electrical connector according to an embodiment;

FIG. 4 is a schematic diagram illustrating an alternative view of the contact terminal of the electrical connector according to an embodiment;

FIG. 5 is a schematic view of a fixing plate of the electrical connector according to an embodiment;

FIG. 6 is a schematic diagram of an electrical connector assembly according to one embodiment;

fig. 7 is a schematic diagram of an electrical connector assembly according to another perspective of an embodiment.

1. A plastic body; 2. a contact terminal; 21. a contact portion; 211. a protrusion; 22. a connecting portion; 23. a first weld; 3. a receiving cavity; 31. a sub-receiving cavity; 4. a fixing sheet; 41. a chucking section; 42. a second weld; 5. a card slot; 6. a circuit board; 7. and (6) buckling.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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.

It should be noted that all directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 4, the present application provides an electrical connector, which includes a plastic body 1 and a contact terminal 2, wherein the plastic body 1 is provided with a receiving cavity 3; the contact terminal 2 includes a plurality of contact portions 21 and a plurality of connection portions 22, the plurality of contact portions 21 are disposed on the connection portions 22 at intervals, the contact portions 21 are inserted into the housing cavity 3, and the connection portions 22 are exposed outside the housing cavity 3.

This application is through setting up a plurality of contact site 21 intervals on connecting portion 22, when a plurality of contact site 21 contacted rather than the contact terminal of mating electric connector, can make the electric contact of this application's electric connector rather than mating electric connector be a plurality of, even if the bad contact phenomenon appears between one of them contact site 21 of this application and the mating electric connector, still unnecessary contact site 21 contacts well with the mating electric connector, greatly reduced the probability that can't realize effective electrical conduction because of bad contact between the electric connector of this application and its mating electric connector, effectively avoided the appearance of open circuit phenomenon, the reliability of the electric connector of this application has been improved.

Specifically, the sectional area of the contact portion 21 is smaller than the sectional area of the connection portion 22, so that when a current flows from the contact portion 21 to the connection portion 22, the sectional area through which the current passes is increased, and the sectional area is increased, so that the current carrying capacity of the electrical connector of the present application is improved, and thus a large current can pass through the electrical connector of the present application.

Specifically, referring to fig. 3, an end of the contact portion 21 away from the connection portion 22 is provided with a chamfer, so that the contact portion 21 can be smoothly inserted into the housing chamber 3.

Specifically, the contact terminal 2 is made of a metal sheet integrally formed, and in this embodiment, the metal sheet is made of copper, which has good corrosion resistance and high electrical conductivity.

Referring to fig. 2 to 4, the number of the contact terminals 2 is two, and the contact portions 21 of the two contact terminals 2 are inserted into the accommodating cavity 3 from top to bottom at intervals, so that the occupied space is small. Specifically, the contact portions 21 of the two contact terminals 2 are inserted into the receiving cavity 3 at intervals, the contact portion 21 of one contact terminal 2 is connected to the positive electrode of the mating electrical connector, and the contact portion 21 of the other contact terminal 2 is connected to the negative electrode of the mating electrical connector.

Referring to fig. 1, the accommodating cavity 3 includes a plurality of sub-accommodating cavities 31 arranged in an array, the contact portions 21 are arranged in the sub-accommodating cavities 31 in a one-to-one correspondence, and the sub-accommodating cavities 31 separate the contact portions 21 on the same contact terminal 2, so that compared with the case that the contact portions 21 are located in the same space and are not separated by the sub-accommodating cavities 31, the creepage distance between the contact portions 21 on the same contact terminal 2 and the adjacent contact portions 21 can be effectively increased, and the withstand voltage capability of the contact terminal 2 can be improved.

Referring to fig. 3, the middle portion of the contact portion 21 is provided with a protrusion 211, and the protrusion 211 is caught in the sub-receiving cavity 31. So set up, can make protruding 211 and the plastic of sub-accomodating chamber 31 around support, form powerful holding power between protruding 211 and the plastic, also be difficult for following the interior dropout of sub-accomodating chamber 31 under the vibrations environment, have high reliability and stability.

Referring to fig. 3, the contact terminal 2 further includes a first soldering portion 23, the first soldering portion 23 is disposed at an end of the connecting portion 22 away from the contact portion 21, the first soldering portion 23 is exposed out of the plastic body 1, and the first soldering portion 23 is in a zigzag shape. Specifically, the first welding portion 23 of the zigzag structure can have a good guiding effect on the welding tin climbing, so that the reliability and stability of welding are improved.

Referring to fig. 1 and 5, the electrical connector further includes a fixing plate 4, a clamping groove 5 is disposed at the bottom of the plastic body 1, the fixing plate 4 is disposed in the clamping groove 5, and the fixing plate is used for fixing the electrical connector relative to the circuit board 6.

Specifically, the fixing piece 4 is a metal sheet integrally molded, and in the present embodiment, the metal sheet is copper.

Referring to fig. 5, the fixing sheet 4 includes a clamping portion 41 and a second welding portion 42, the second welding portion 42 is disposed at two ends of the clamping portion 41, the clamping portion 41 is clamped in the clamping groove 5, two ends of the clamping portion 41 are bent downward and connected with the second welding portion 42 to form a convex structure, and the fixing sheet 4 with the convex structure facilitates the welding and fixing of the fixing sheet 4 relative to the circuit board 6.

Referring to fig. 2, the electrical connector further includes a latch 7, and the latch 7 is disposed at the top end of the plastic body 1.

Specifically, through being provided with buckle 7 for after the electric connector of this application docks with the electric connector that pairs, buckle 7 blocks mutually with buckle 7 on the electric connector that pairs, can prevent the electric connector of this application and the electric connector that pairs pine to take off, thereby improve electric connector's connection stability.

Referring to fig. 6 to 7, the present application further provides an electrical connector assembly, which includes the electrical connector and a circuit board 6, wherein the electrical connector is disposed on the circuit board 6. Specifically, the circuit board 6 is a PCB circuit board.

Specifically, the second welding portions 42 at the two ends of the fixing sheet 4 are welded with the circuit board 6, so that the fixed connection between the electric connector and the circuit board 6 can be realized, and the second welding portions 42 at the two ends also enable the fixing sheet 4 to have the stable and reliable capability of grabbing the circuit board 6, thereby enhancing the welding stability between the fixing sheet 4 and the circuit board 6.

Further, be provided with semicircular groove on the second welding part 42, semicircular groove has strengthened the welded ability of climbing tin, welding stability when can further improve the welding of second welding part 42.

Specifically, the first soldering portions 23 of the two contact terminals 2 are soldered on the circuit board 6, and the fixed connection between the electrical connector and the circuit board 6 is further achieved.

The above is only the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the patent protection scope of the present invention.

Claims

1. An electrical connector, comprising:

the plastic rubber main body is provided with a containing cavity;

the contact terminal comprises a plurality of contact parts and a connecting part, the contact parts are arranged on the connecting part at intervals, the contact parts are inserted into the accommodating cavity, and the connecting part is exposed out of the accommodating cavity.

2. The electrical connector of claim 1, wherein the number of the contact terminals is two, and the contact portions of the two contact terminals are inserted into the receiving cavities at intervals.

3. The electrical connector of claim 2, wherein the receiving cavity comprises a plurality of sub-receiving cavities arranged in an array, and the contact portions are disposed in the sub-receiving cavities in a one-to-one correspondence.

4. The electrical connector of claim 3, wherein a protrusion is disposed at a middle portion of the contact portion, and the protrusion is retained in the sub-receiving cavity.

5. The electrical connector of claim 2, wherein the contact terminal further comprises a first soldering portion disposed at an end of the connecting portion away from the contact portion, and the first soldering portion is exposed outside the plastic body.

6. The electrical connector of claim 5, wherein the first solder portion is zigzag-shaped.

7. The electrical connector of claim 1, further comprising a fixing plate, wherein a slot is disposed at a bottom of the plastic body, and the fixing plate is disposed in the slot.

8. The electrical connector of claim 7, wherein the fixing plate includes a clamping portion and a second welding portion, the second welding portion is disposed at two ends of the clamping portion, the clamping portion is clamped into the clamping groove, and two ends of the clamping portion are bent downward and connected to the second welding portion to form a convex structure.

9. The electrical connector of claim 1, further comprising a latch disposed at a top end of the plastic body.

10. An electrical connector assembly comprising the electrical connector of any one of claims 1-9 and a circuit board on which the electrical connector is disposed.