CN210806090U

CN210806090U - Electric connector combination

Info

Publication number: CN210806090U
Application number: CN201922267473.9U
Authority: CN
Inventors: 郑大春; 黄力强
Original assignee: Kunshan Jiahua Electronics Co Ltd
Current assignee: Kunshan Jiahua Electronics Co Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-06-19
Anticipated expiration: 2029-12-17

Abstract

The utility model provides an electric connector combination, includes plug electric connector and socket electric connector, plug electric connector includes the plug insulator and is fixed in the plug terminal of plug insulator, the plug terminal is fixed with the cable and is connected electrically, the protruding formation hasp portion that stretches in relative both ends position of plug insulator, socket electric connector includes the socket insulator and is fixed in the socket terminal of socket insulator, the socket insulator includes the bottom plate, with two end plates of bottom plate body coupling and the curb plate of being connected with bottom plate one side, bottom plate, two end plates and curb plate form the grafting space jointly, be fixed with metal fastener on the end plate, metal fastener corresponds and fixes with the hasp portion buckle on the plug electric connector.

Description

Electric connector combination

Technical Field

The present design relates to an electrical connector assembly.

Background

A connector is a component that is frequently touched by the engineer of electronic engineering, and its function is very simple: a bridge for communication is built between the blocked or isolated and non-communicated circuits in the circuit, so that signals can flow and the circuit can realize the preset function. Connectors are indispensable components in electronic devices, and one or more connectors are always found by observing a current flowing path. The connector forms and structures are widely varied, and there are various types of connectors depending on the application, frequency, power, application environment, and the like. For example, in a common board-to-board connector, a wire-to-board connector, etc., the connector generally includes a male end and a female end coupled with the male end, and when the male end of any connector is fastened with the female end, a scraping phenomenon is not avoided at a fastening position, but scraping damage and fastening force are a pair of spear shields.

Therefore, there is a need to provide a new electrical connector assembly to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The purpose of this design is to provide a new electrical connector assembly with a strong structural stability.

The purpose of the design is realized by the following technical scheme:

the utility model provides an electric connector combination, includes plug electric connector and socket electric connector, plug electric connector includes the plug insulator and is fixed in the plug terminal of plug insulator, the plug terminal is fixed with the cable and is connected electrically, protruding formation hasp that stretches in the relative both ends position of plug insulator, socket electric connector includes the socket insulator and is fixed in the socket terminal of socket insulator, the socket insulator includes the bottom plate, with two end plates of bottom plate body coupling and the curb plate of being connected with bottom plate one side, bottom plate, two end plates and curb plate form the grafting space jointly, be fixed with metal fastener on the end plate, metal fastener corresponds to be fixed with the hasp portion buckle on the plug electric connector.

Furthermore, the plug electric connector is inserted into the plugging space along the thickness direction of the bottom plate of the socket electric connector, a first guide surface is formed at the end part of one side of the locking part, which is far away from the bottom plate, a second guide surface is formed at the end part of one side of the locking part, which is close to the bottom plate, and the inclination angle of the first guide surface is larger than that of the second guide surface along the thickness direction of the bottom plate.

Further, the end face of the locking part is formed with a vertical surface, and the vertical surface is connected with the first guide surface and the second guide surface.

Further, the height of the first guide surface is smaller than the height of the second guide surface along the plate thickness direction of the bottom plate.

Further, the metal fastener comprises a base fixed with the side plate and a buckling part formed along one side of the base far away from the bottom plate, the buckling part comprises a top extending along the extending direction of the bottom plate and a buckling part formed by extending one end of the top towards the bottom plate, and a buckling inclined plane is formed at the end part of the buckling part.

Further, a gap is formed between the buckling part and the base part, and the buckling inclined plane is parallel to the first guide plane.

Furthermore, a plurality of bayonets are formed at the connecting positions of the side plates and the bottom plate of the socket insulator, the bayonet is used for communicating the plugging space with the outside, bayonet surfaces are formed at the positions of the side plates and the bayonet, and hooks are convexly arranged on the plug insulator and pass through the bayonet to be buckled with the bayonet surfaces.

Furthermore, the bayonet comprises a part formed by penetrating through the side plate close to the bottom plate and a part formed by penetrating through the bottom plate close to the side plate, and the clamping hook comprises a space formed by protruding to the part of the side plate close to the bottom plate and a space formed by the part of the bottom plate close to the side plate.

Furthermore, a fool-proof portion is formed at one end of the plug insulator in a protruding mode, a fool-proof groove is formed in the end plate of the socket insulator corresponding to the recessed fool-proof portion, a limiting portion is formed at one end of the plug insulator in a protruding mode, a limiting groove is formed in the side plate of the socket insulator corresponding to the recessed limiting portion, the clamping hook is formed by further extending the limiting portion, and the fool-proof portion and/or the limiting portion extend along the whole length of the plug insulator along the thickness direction of the bottom plate.

Further, the side plate penetrates through terminal grooves formed with fixed socket terminals along the front-back direction perpendicular to the thickness direction of the bottom plate, the terminal grooves comprise upper side grooves and lower side grooves which are arranged at intervals along the thickness direction of the bottom plate and rear end grooves connected with the upper side grooves and the lower side grooves, the rear end grooves are located on one side, away from the plugging space, of the side plate, the lower side grooves are close to the bottom plate and the upper side grooves are far away from the bottom plate along the thickness direction of the bottom plate, the lower side grooves penetrate through the surface, located in the plugging space, of the side plate and penetrate through the surface, close to the side, of the bottom plate, the upper side grooves penetrate through the surface, away from the side, of the bottom plate, the rear end grooves, the upper side grooves and the lower side grooves penetrate through the surface, away from the side, of the side plate, the socket terminals comprise parts contained in the rear end grooves and parts contained in the upper side, The part accommodated in the lower side groove and the part protruding into the plugging space.

Compared with the prior art, the design has the following beneficial effects: this application, it is fixed to be able to make plug electric connector and socket electric connector cooperation stable through the hasp portion buckle on metal fastener and the plug electric connector.

Drawings

Fig. 1 is an assembled perspective view of an electrical connector assembly of the present design, showing a perspective view of a plug electrical connector mated with a receptacle electrical connector;

FIG. 2 is a perspective view of the electrical connector assembly of FIG. 1 showing the plug electrical connector separated from the receptacle electrical connector;

FIG. 3 is a perspective view of FIG. 2 from another angle, further illustrating a metal clip and a receptacle terminal in perspective view with the receptacle insulator separated;

fig. 4 is a cross-sectional view taken along line a-a of the electrical connector assembly shown in fig. 1, which mainly shows the mating relationship between the metal fasteners and the locking portions;

FIG. 5 is a cross-sectional view of the receptacle electrical connector of the electrical connector assembly of FIG. 2 taken along line B-B, primarily illustrating the mating configuration of the receptacle terminals and the receptacle insulator;

FIG. 6 is an exploded view of the cross-sectional view of FIG. 5, showing the metal clip and receptacle terminal separated from the receptacle insulator;

FIG. 7 is a side view of FIG. 5 showing the assembled mating relationship of the receptacle terminals and the receptacle insulator from the side;

fig. 8 is a cross-sectional view taken along line C-C of the electrical connector assembly of fig. 1, primarily illustrating the assembled mating relationship of the plug insulator and the receptacle insulator.

Detailed Description

Hereinafter, a specific embodiment of the electrical connector assembly of the present design will be described with reference to fig. 1 to 8. It should be noted that, in the present design, the embodiments and the features of the embodiments may be combined with each other without conflict. The design will be described in detail below with reference to the embodiments and with reference to the drawings.

In the description of the present design, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this design can be understood in a particular situation to one of ordinary skill in the art.

In the description of the present design, it should be understood that the terms "comprises" and "comprising," and any variations thereof, as used herein, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1 to 8, the present application discloses an electrical connector assembly, including a plug electrical connector 1 and a socket electrical connector 2 mated and butted with the plug electrical connector 1, wherein the plug electrical connector 1 is correspondingly fixed and electrically connected with a cable 13, and the socket electrical connector 2 is correspondingly fixed and electrically connected with a point circuit board, so as to implement communication connection between the cable and the circuit board.

The plug electric connector 1 comprises a plug insulator 11 formed by injection molding of insulating plastic and a plurality of plug terminals 12 fixed in the plug insulator 11, wherein each plug terminal 12 is respectively fixed and electrically connected with a cable 13. The plug terminals 12 are arranged in a row. The opposite end positions of the plug insulator 11 (i.e., the two end positions in the arrangement direction of the plug terminals 12) protrude outward to form locking portions 111.

The socket electrical connector 2 includes a socket insulator 21 formed by injection molding of insulating plastic, and a plurality of socket terminals 22 fixed in the socket insulator 21, wherein the socket insulator 21 includes a flat bottom plate 211, two end plates 212 integrally connected to two opposite ends of the bottom plate 211, and a side plate 213 connected to one side of the bottom plate 211. The bottom plate 211, the two end plates 212 and the side plates 213 together form a plug space 210, the end plates 212 are fixed with metal fasteners 3, and the metal fasteners 3 are correspondingly fastened and fixed with the locking portions 111 on the plug electrical connector 1. In this design, a fixing groove (not labeled) is formed on the upper surface of each end plate 212 in a downward recessed manner, a local position of the fixing groove is communicated with the inserting space 210, and the metal fastener 3 is inserted into the fixing groove from top to bottom and at least partially protrudes into the inserting space 210 to be fixed with the locking part 111 in a fastening manner (that is, the plug electrical connector 1 is inserted into the inserting space 210 along the thickness direction of the bottom plate 211 of the receptacle electrical connector 2).

Referring to fig. 4, a first guiding surface 1111 is formed at an end of the locking portion 111 away from the bottom plate 211, a second guiding surface 1112 is formed at an end of the locking portion 111 close to the bottom plate 211, and an inclination angle of the first guiding surface 1111 is greater than an inclination angle of the second guiding surface 1112 along a plate thickness direction of the bottom plate 211. The end surface of the locking portion 111 is formed with a vertical surface 1113, and the vertical surface 1113 connects the first guide surface 1111 and the second guide surface 1112. In the plate thickness direction of the bottom plate 211, the height of the first guide surface 1111 is smaller than the height of the second guide surface 1112. Due to the design, when the plug electric connector 1 is inserted into the socket electric connector 2, the plug electric connector has a longer and larger surface, the insertion is smoother, and only small insertion force is needed; meanwhile, when the plug electric connector 1 is pulled out from the socket electric connector 2, a larger pulling-out force is required

The metal fastener 3 includes a base 31 fixed to the side plate 213 and a fastening portion 32 formed along one side (upper side) of the base 31 away from the bottom plate 211, the fastening portion 32 includes a top 321 extending along the extending direction of the bottom plate 211 and a fastening portion 322 extending from one end of the top 321 toward the bottom plate 211, and an end of the fastening portion 322 forms a fastening inclined surface 3221. The button 322 and the base 31 form a gap 30 therebetween, and the inclined surface 3221 is parallel to the first guide surface 1111. The design is such that when the plug electrical connector 1 and the receptacle electrical connector 2 are mated, the metal fasteners 3 are in surface contact with the locking portions 111, thereby reducing the wear of the locking portions 111.

A plurality of bayonets 2130 are formed at the connecting position of the side plate 213 and the bottom plate 211 of the socket insulator 21, the bayonets 2130 communicate the inserting space 210 with the outside, a bayonet surface 2131 is formed at the position of the bayonet 2130 on the side plate 213, a hook 112 is convexly formed on the plug insulator 11, and the hook 112 passes through the bayonet 2130 and is buckled with the bayonet surface 2131. The bayonet 2130 is formed by penetrating a part of the side plate 213 adjacent to the bottom plate 211 and a part of the bottom plate 211 adjacent to the side plate 213, and the hook 112 includes a space formed by protruding the part of the side plate 213 adjacent to the bottom plate 211 and a space formed by the part of the bottom plate 211 adjacent to the side plate 213.

The plug insulator 11 has a fool-proof portion 113 protruding from one end, the header plate 212 of the socket insulator 21 has a fool-proof groove 2121 recessed from the fool-proof portion 113, the plug insulator 11 has a limit portion 114 protruding from one end, the side plate 213 of the socket insulator 21 has a limit groove 2132 recessed from the limit portion 114, the hook 112 is further extended from the limit portion 114, and the fool-proof portion 113 and/or the limit portion 114 are extended along the entire length of the plug insulator 11 along the thickness direction of the base plate 211. In this application, the hooks 112 are in snap fit with the bayonet surfaces 2131 of the socket insulator 21, and are also in fit with the fool-proof portions 113 and the fool-proof grooves 2121 and the limiting portions 114 and the limiting grooves 2132, so that the plug electrical connector 1 and the socket electrical connector 2 are limited in the left-right direction (the arrangement direction of the plug terminals 12), the up-down direction (the thickness direction of the bottom plate 211), and the front-back direction (the extending direction of the cable 13), and the whole assembly is stable.

The side plate 213 has terminal grooves 2133 for fixing the receptacle terminals 22 formed therethrough in the front-rear direction perpendicular to the plate thickness direction of the bottom plate 211, the terminal grooves 2133 include upper side grooves 21331 and lower side grooves 21332 provided at intervals in the plate thickness direction of the bottom plate 211, and rear end grooves 21333 for connecting the upper side grooves 21331 and the lower side grooves 21332, and the rear end grooves 21333 are located on the side of the side plate 213 away from the insertion space 210. Along the thickness direction of the bottom plate 211, the lower side groove 21332 is close to the bottom plate 211, the upper side groove 21331 is far away from the bottom plate 211, the lower side groove 21332 penetrates through the surface of the side plate 213 in the plugging space 210 and penetrates through the surface of the side plate 213 close to the bottom plate 211, the upper side groove 21331 penetrates through the surface of the side plate 213 far away from the bottom plate 211, the rear end groove 21333, the upper side groove 21331 and the lower side groove 21332 all penetrate through the surface of the side plate 213 far away from the plugging space 210, and the socket terminal 22 comprises a part accommodated in the rear end groove 21333, a part accommodated in the upper side groove 21331, a part accommodated in the lower side groove 21332 and a part protruding into the plugging space 210.

In this application, the shape design of the terminal groove 2133 enables the socket insulator 21 to be formed by injection molding, and then the male mold, the female mold, the insert pin and the like can be opened in the vertical direction (the thickness direction of the bottom plate 211), without designing any mold components such as similar side sliders and without designing any core-pulling mold core structure. The manufacturing process is simple, the mold structure is simplified, the manufacturing cost is effectively reduced, and meanwhile, the yield is high.

In this application, it is fixed with the hasp portion 111 buckle on the plug electric connector 1 through the cooperation of design metal fastener 3, can make plug electric connector 1 stable with the cooperation of socket

electric connector

2, and 3 structural strength of metal fastener are big in addition, and the cooperation is thicker hasp portion 111 more, under the stable circumstances of the assurance combination, can more be favorable to reducing overall height.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present design, but not to limit the same; while the present design has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present design.

Claims

1. An electrical connector assembly comprising a plug electrical connector (1) and a socket electrical connector (2), characterized in that: the plug electric connector (1) comprises a plug insulator (11) and a plug terminal (12) fixed in the plug insulator (11), the plug terminal (12) is fixed and electrically connected with the cable (13), the opposite ends of the plug insulator (11) are convexly extended to form locking parts (111), the socket electric connector (2) comprises a socket insulator (21) and a socket terminal (22) fixed in the socket insulator (21), the socket insulator (21) comprises a bottom plate (211), two end plates (212) integrally connected with the bottom plate (211) and a side plate (213) connected with one side of the bottom plate (211), the bottom plate (211), the two end plates (212) and the side plate (213) together form a plug-in space (210), the end plate (212) is fixed with a metal fastener (3), and the metal fastener (3) is correspondingly fixed with a locking part (111) on the plug electric connector (1) in a buckling manner.

2. The electrical connector assembly of claim 1, wherein: plug electrical connector (1) inserts grafting space (210) along the thick direction of bottom plate (211) of socket electrical connector (2) board, the tip that bottom plate (211) one side was kept away from in hasp portion (111) forms first guide surface (1111), the tip that hasp portion (111) is close to bottom plate (211) one side forms second guide surface (1112), along the thick direction of board of bottom plate (211), the inclination of first guide surface (1111) is greater than the inclination of second guide surface (1112).

3. The electrical connector assembly of claim 2, wherein: the end face of the locking part (111) is provided with a vertical surface (1113), and the vertical surface (1113) is connected with the first guide surface (1111) and the second guide surface (1112).

4. The electrical connector assembly of claim 2, wherein: the height of the first guide surface (1111) is smaller than the height of the second guide surface (1112) in the plate thickness direction of the bottom plate (211).

5. The electrical connector assembly of claim 2, wherein: the metal fastener (3) comprises a base portion (31) fixed with the side plate (213) and a buckling portion (32) formed along one side, far away from the bottom plate (211), of the base portion (31), the buckling portion (32) comprises a top portion (321) extending along the extending direction of the bottom plate (211) and a buckling portion (322) formed by extending one end of the top portion (321) towards the bottom plate (211), and a buckling inclined surface (3221) is formed at the end portion of the buckling portion (322).

6. The electrical connector assembly of claim 5, wherein: a gap (30) is formed between the buckling part (322) and the base part (31), and the buckling inclined surface (3221) is parallel to the first guide surface (1111).

7. The electrical connector assembly of claim 1, wherein: the plug comprises a plug insulator (11), a plurality of bayonets (2130) are formed in the positions, connected with a bottom plate (211), of a side plate (213) of the socket insulator (21), the bayonets (2130) are used for communicating a plugging space (210) with the outside, bayonet surfaces (2131) are formed in the positions, connected with the bottom plate (211), of the side plate (213), hooks (112) are convexly formed in the plug insulator (11), and the hooks (112) penetrate through the bayonets (2130) and are buckled with the bayonet surfaces (2131).

8. The electrical connector assembly of claim 7, wherein: the bayonet (2130) comprises a part formed by the side plate (213) close to the bottom plate (211) and a part formed by the bottom plate (211) close to the side plate (213) in a penetrating mode, and the clamping hook (112) comprises a space formed by the part protruding to the side plate (213) close to the bottom plate (211) and a space formed by the part of the bottom plate (211) close to the side plate (213).

9. The electrical connector assembly of claim 7, wherein: the plug comprises a plug insulator (11), a dead-proof part (113) is formed at one end of the plug insulator (11) in a protruding mode, a dead-proof groove (2121) is formed in the end plate (212) of the socket insulator (21) in a protruding mode corresponding to the dead-proof part (113), a limiting part (114) is formed at one end of the plug insulator (11) in a protruding mode, a limiting groove (2132) is formed in the side plate (213) of the socket insulator (21) in a protruding mode corresponding to the limiting part (114), the clamping hook (112) is formed by further extending the limiting part (114), and the dead-proof part (113) and/or the limiting part (114) extend along the whole length of the plug insulator (11) in the thickness direction of the bottom plate (211).

10. The electrical connector assembly of claim 1, wherein: the side plate (213) penetrates through a terminal groove (2133) which is provided with a fixed socket terminal (22) along the front-back direction which is vertical to the plate thickness direction of the bottom plate (211), the terminal groove (2133) comprises an upper side groove (21331) and a lower side groove (21332) which are arranged at intervals along the plate thickness direction of the bottom plate (211) and a rear end groove (21333) which connects the upper side groove (21331) and the lower side groove (21332), the rear end groove (21333) is positioned on one side of the side plate (213) far away from the plugging space (210), along the thickness direction of the bottom plate (211), the lower side groove (21332) is close to the bottom plate (211) and the upper side groove (21331) is far away from the bottom plate (211), the lower side groove (21332) penetrates through the surface of the side plate (213) positioned in the plugging space (210) and penetrates through the surface of the side plate (213) close to the side of the bottom plate (211), and the upper side groove (21331) penetrates through the surface of the side plate (, the rear end groove (21333), the upper side groove (21331) and the lower side groove (21332) penetrate through the surface of the side plate (213) far away from the side where the plugging space (210) is located, and the socket terminal (22) comprises a part accommodated in the rear end groove (21333), a part accommodated in the upper side groove (21331), a part accommodated in the lower side groove (21332) and a part protruding into the plugging space (210).