CN215989328U - Connector and electrical connection assembly - Google Patents

Abstract

The utility model provides a connector, which comprises a shell and a plurality of terminals, wherein the shell is provided with a plurality of accommodating bins with openings at the front side and the rear side, and the terminals are respectively arranged in the accommodating bins; the terminal is formed by bending a metal sheet, the terminal comprises a rectangular plug port with four sides surrounded at the front end and an inner elastic sheet tilting in the plug port, the plug port is aligned with the front side opening of the accommodating bin of the shell, and when an external contact pin is inserted into the plug port, the contact pin is pressed by the inner elastic sheet to be in contact with the inner wall of the plug port. The utility model also provides an electric connection assembly which comprises the connector and a socket matched with the connector. This connector and electric connection component realize the electric connection of terminal and contact pin through the square interface that surrounds on four sides plus the structure of interior shell fragment, guarantee terminal and contact pin contact reliability and stability.

Description

Connector and electrical connection assembly

Technical Field

The utility model relates to the field of connectors, in particular to a connector and an electric connection assembly.

Background

The connector is a component that is not necessary to be lost in the electronic device and is a common component in the electronic engineering technology, and although the application field is between circuits, the application mode of the connector is varied.

The structure and form of the connector are various, and with different operation fields and different application objects, different equipment frequencies and different powers generate various forms of connectors, but the connector with any type of structure has a standard function: the smooth, reliable and continuous circulation of current is ensured.

In the conventional connector, in an unstable (for example, vibration or frequent impact) scene, the terminal of the connector and the pin of the socket are easy to loosen, have poor contact or even break, and cause circuit abnormality. For example, the connector on the new energy lithium battery protection board is mostly used for sampling cell voltage, while the lithium battery always moves unevenly and vibrates in normal use, and the terminal of the connector and the contact pin of the socket are easy to loosen, have poor contact and even break.

The above-mentioned drawbacks, worth improving.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to provide a connector and an electrical connection assembly that are stable and reliable.

The technical scheme adopted by the utility model for solving the technical problem comprises the following steps: the connector comprises a shell and a plurality of terminals, wherein the shell is provided with a plurality of accommodating bins with front and rear openings, and the terminals are respectively arranged in the accommodating bins;

the terminal is formed by bending a metal sheet, the terminal comprises a rectangular plug port with four sides surrounded at the front end and an inner elastic sheet tilting in the plug port, the plug port is aligned with the front side opening of the accommodating bin of the shell, and when an external contact pin is inserted into the plug port, the contact pin is pressed by the inner elastic sheet to be in contact with the inner wall of the plug port.

Preferably, the front end of the inner elastic sheet is connected with the socket, and the rear end of the inner elastic sheet is tilted towards the socket.

Preferably, the inner spring is formed by bending the metal sheet at the front of the socket backwards.

Preferably, the terminal includes the outer shell fragment of outside perk, outer shell fragment is by preceding back rise gradually, the casing includes the base and establishes hold in the storehouse with the supporting part that outer shell fragment corresponds, with outer shell fragment rear end supports the supporting part prevents the terminal withdraws from the casing.

Preferably, the housing is integrally formed of plastic, the support being fixed relative to the base.

Preferably, be equipped with on the terminal with the penetrating hole that inside and outside that outer shell fragment corresponds pierces through, the front end of outer shell fragment with the penetrating hole front edge links to each other, and the outside perk of rear end, interior shell fragment front end with outer shell fragment front end is all connected the same one side of interface, the rear end of interior shell fragment including earlier to the first portion of perk in the interface and connecting first portion back end to the crooked second part of penetrating hole, so that the contact pin inserts the terminal during the interface, the contact pin extrusion interior shell fragment, interior shell fragment is pressed to the penetrating hole, the second part stretches out outside the penetrating hole and is located the inboard of outer shell fragment.

Preferably, the housing includes a base and a plurality of protruding fool-proof portions provided on the base, the accommodating compartment is provided on the base, the fool-proof portions are provided at both lateral side edges of the front and back surfaces of the connector, and the protruding directions of the fool-proof portions on the front and back surfaces are opposite.

Preferably, the outer side surface of the fool-proof portion is flush with the side surface of the base portion.

The technical scheme adopted by the utility model for solving the technical problem comprises the following steps: the electric connection component comprises the connector and a socket matched with the connector, wherein the shell of the connector comprises a base part and a raised buckle arranged on the base part, the socket comprises a base body, a contact pin and a fastening part arranged on the base body and matched with the buckle, the front end of the base body is provided with a socket concave position matched and inserted with the front end of the connector, the contact pin is arranged in the socket concave position and does not extend outwards, one side of the base body is provided with a foolproof notch which is opened forwards and corresponds to the buckle, so that when the connector is plugged with the socket and the buckle is aligned with the foolproof notch, the buckle is embedded into the foolproof notch and fastens the fastening part, and the contact pin is inserted into the plugging port of the terminal.

Preferably, the distance between the plug pin and the opening of the plug concave in the plug direction is at least 2.0 mm.

The technical scheme of the utility model at least has the following beneficial effects: this connector and electric connection component realize the electric connection of terminal and contact pin through the square interface that surrounds on four sides plus the structure of interior shell fragment, guarantee terminal and contact pin contact reliability and stability.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described 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 based on these drawings without inventive exercise.

Fig. 1 is a perspective view of a connector according to an embodiment of the present invention.

Fig. 2 is an exploded view of the connector of fig. 1.

Fig. 3 is an exploded view of the connector of fig. 1.

Fig. 4 is a perspective view of the electrical connection assembly of the present invention.

Fig. 5 is an exploded view of the electrical connection assembly of fig. 4.

Fig. 6 is a cross-sectional view of the electrical connection assembly of fig. 4 in an exploded state.

Fig. 7 is a partially enlarged view of a portion a in fig. 6.

Fig. 8 is a perspective view of the terminal in fig. 3.

Fig. 9 is a perspective view of the terminal in fig. 3.

The reference numerals in the figures denote: the connector comprises a connector 1, a terminal 11, a socket 111, an inner elastic sheet 112, a first part 1121, a second part 1122, an outer elastic sheet 113, a penetrating hole 114, a wire connecting part 115, a housing 12, a base 121, a containing bin 122, a supporting part 123, a fool-proof part 124, a buckle 125, a wire 13, a socket 2, a seat body 21, a socket concave part 211, a fool-proof notch 212, a fastening part 213 and a pin 22.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be understood that if the terms "front", "back", "upper", "lower", "longitudinal", "lateral", "inner", "outer", etc. are used herein to indicate an orientation or positional relationship, constructed and operative in a particular orientation based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and does not indicate that the device or component being referred to must have a particular orientation, and therefore, should not be construed as limiting the present invention. It is also to be understood that, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "disposed," and the like, if used herein, are intended to be inclusive, e.g., that they may be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. If the terms "first", "second", "third", etc. are used herein only for convenience in describing the present technical solution, they are not to be taken as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the utility model. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

Referring to fig. 1 to 3 and 6 to 9, a connector 1 according to an embodiment of the present invention includes a housing 12 and a plurality of terminals 11, the housing 12 is provided with a plurality of accommodating chambers 122 opened at front and rear sides, and the plurality of terminals 11 are respectively provided in the plurality of accommodating chambers 122;

the terminal 11 is formed by bending a metal sheet, the terminal 11 includes a rectangular insertion opening 111 with a four-side surrounded shape at a front end and an inner elastic sheet 112 tilting towards the insertion opening 111, the insertion opening 111 is aligned with a front side opening of the accommodating chamber 122 of the housing 12, so that when the external socket 2 is butted with the connector 1 and the pin 22 of the socket 2 is inserted into the insertion opening 111, the pin 22 is pressed by the inner elastic sheet 112 to contact with an inner wall of the insertion opening 111, and the pin 22 is electrically connected with the terminal 11.

The connector 1 realizes the electrical connection between the terminal 11 and the contact pin 22 through the structure of the square socket 111 surrounded by four sides and the inner elastic sheet 112, ensures the contact reliability and stability of the terminal 11 and the contact pin 22, and is not easy to loosen or contact badly in an unstable (for example, vibration or frequent impact) scene.

Preferably, the front end of the inner spring 112 is connected with the socket 111, and the rear end is tilted towards the socket 111.

Preferably, the inner resilient piece 112 is formed by bending a metal sheet at the front of the socket 111 backward, so that the front end of the bent inner resilient piece 112 is connected to the front edge of the socket 111.

In the conventional connector 1, the protrusion without elasticity on the terminal 11 abuts against the elastic support piece on the plastic housing 12, so as to prevent the terminal 11 from falling out of the housing 12, specifically, the elastic support piece is a part of the plastic housing 12 which is integrally formed, when the connector 1 is assembled, the terminal 11 enters the accommodating chamber 122 from the rear side opening of the housing 12, the elastic support piece is firstly propped open by the protrusion of the terminal 11 by the elasticity of the plastic, and then when the protrusion moves to a position corresponding to the elastic support piece, the elastic support piece resets and abuts against the protrusion, so as to prevent the terminal 11 from falling out of the housing 12, but the structure reliability is low, when the connector 1 is plugged into the socket 2, the pin 22 is inserted into the front end of the terminal 11, and the above-mentioned structure may not resist the acting force of the pin 22, so as to cause the terminal 11 to fall out of the housing 12. In order to solve the problem, the terminal 11 of the connector 1 of the present invention may include an outer spring 113 tilted outward, the outer spring 113 gradually rises from front to back, the housing 12 includes a base 121 and a supporting portion 123 disposed in the accommodating chamber 122 and corresponding to the outer spring 113, and the rear end of the outer spring 113 abuts against the supporting portion 123 to prevent the terminal 11 from exiting the housing 12.

Preferably, the housing 12 is integrally molded of plastic, with the support 123 being fixed relative to the base 121. When the connector 1 of the present invention is assembled, in the process that the terminal 11 enters the accommodating chamber 122 from the rear opening of the housing 12, the outer spring 113 is firstly pressed by the housing 12, and then when the terminal 11 enters the position where the outer spring 113 corresponds to the supporting portion 123, the outer spring 113 is restored and abuts against the supporting portion 123, so as to prevent the terminal 11 from backing out of the accommodating chamber. The elastic outer spring 113 is engaged with the supporting portion 123, which is not elastically movable, and can well bear the pushing force when the pin 22 of the socket 2 is inserted into the insertion opening of the terminal 11 and the pulling force of the wire 13, thereby preventing the terminal 11 from being withdrawn from the housing 12.

Preferably, the terminal 11 is provided with a through hole 114 penetrating inside and outside corresponding to the outer spring 113, the front end of the outer spring 113 is connected to the front edge of the through hole 114, the rear end of the outer spring 113 is tilted outwards, the front end of the inner spring 112 and the front end of the outer spring 113 are both connected to the same side of the insertion port 111, the rear end of the inner spring 112 includes a first portion 1121 tilted inwards of the insertion port 111 and a second portion 1122 bent towards the through hole 114 and connected to the rear end of the first portion 1121, so that when the pin 22 of the socket 2 is inserted into the insertion port 111 of the terminal 11 when the socket 2 is connected to the connector 1, the pin 22 presses the inner spring 112, the inner spring 112 is pressed towards the through hole 114, and the second portion 1122 extends out of the through hole 114 and is located inside the outer spring 113, thereby further preventing the terminal 11 from being pushed out of the housing 12 by the pin 22. The connector 1 includes a wire 13, and the terminal 11 includes a wire connecting portion 115 at a rear end thereof for fixing the wire 13, and the wire connecting portion 115 is bent to press the wire 13 for electrically connecting the wire 13 with the terminal 11.

Preferably, the housing 12 includes a base portion 121 and a plurality of protruding fool-proof portions 124 provided on the base portion 121, the accommodating chamber 122 is provided on the base portion 121, the fool-proof portions 124 are located at both lateral side edges of the front and back surfaces of the connector 1, and the protruding directions of the fool-proof portions 124 of the front and back surfaces are opposite. The outer side of the fool-proof portion 124 is flush with the side of the base portion 121, so that the outer shape of the housing 12 approximates to an "i" shape rotated 90 degrees. The shape of socket 2 matches with the shape of connector 1, and when connector 1 and socket 2 pegged graft, prevent that slow-witted portion 124 plays the effect that prevents connector 1 and socket 2 misconnection, prevents that connector 1 of different terminal 11 numbers from misplugging into socket 2, effectively prevents to lead to the contact path to burn out the components and parts on the circuit board owing to misplugging.

In summary, the connector 1 of the present invention has a simple structure, is stable in connection, and is convenient for plugging, and the structure of the socket 111 and the inner spring 112 realizes the electrical connection between the terminal 11 and the pin 22, thereby ensuring the contact reliability between the terminal 11 and the pin 22; the terminal 11 is effectively prevented from being withdrawn from the shell 12 through the structure of the outer spring sheet 113 and the shell 12; through the fool-proof part 124, the directional plugging prevents the mixed plugging and misplugging, and the stability of connection can be further enhanced.

The connector 1 of the present invention may be a board-to-board connector with a 2.0mm pitch specification, that is, the pitch between two adjacent terminals 11 of the board-to-board connector is 2.0mm, but is not limited thereto; connector 1 can be the single connector that the terminal 11 was the single row and arranged, but is not limited to the single connector, above-mentioned terminal 11 and casing 12 structure can be in the space of 2.0mm interval, through interface 111 and the cooperation of interior shell fragment 112 guarantee terminal 11 and contact reliability and stability of contact pin 22, also difficult pine takes off or contact failure in unstable scene, outer shell fragment 113 makes terminal 11 be difficult for withdrawing from casing 12 with the cooperation of casing 12, prevent connector 1 and socket 2 misconnection through the fool-proofing portion 124 at casing 12 edge.

Referring to fig. 4-9, the electrical connection assembly of an embodiment of the present invention includes the above-mentioned connector 1 and the socket 2 matched with the connector 1, the housing 12 of the connector 1 includes a base 121 and a raised buckle 125 disposed on the base 121, the socket 2 includes a seat 21, a pin 22 and a raised buckle portion 213 disposed on the seat 21 and matched with the buckle 125, the front end of the seat 21 is provided with a socket concave 211 inserted into the front end of the connector 1 in a matching manner, the pin 22 is disposed in the socket concave 211 and does not extend outward, the socket concave 211 includes a fool-proof slot 2111 matched with the fool-proof portion 123 of the connector 1; one side of the housing 21 is provided with a fool-proof notch 212 opened forward corresponding to the latch 125, so that when the connector 1 is plugged into the receptacle 2 and the latch 125 is aligned with the fool-proof notch 212, the latch 125 is inserted into the fool-proof notch 212 and clasps the fastening portion 213, and the pin 22 is inserted into the insertion opening 111 of the terminal 11.

Although the conventional plugging of the connector and the socket has a certain misplug prevention design, the conventional plugging of the connector and the socket is not reliable enough, and under the condition that the connector and the socket are not aligned correctly (for example, the connector is plugged with the socket in a positive and negative error mode), although the connector is not necessarily plugged tightly, the terminal of the connector is in contact conduction with the pin of the socket, and circuit damage may be caused. In order to solve the problem, the distance between the pin 22 and the opening of the inserting concave position 211 in the inserting direction is at least 2.0mm, so that the problem that the circuit is damaged due to the fact that the connector 1 and the socket 2 are inserted by mistake and the contact conduction between the terminal 11 and the pin 22 is avoided.

In conclusion, the connector 1 assembly of the utility model has a simple structure, is stable in connection and convenient for plugging, ensures the contact reliability and stability of the terminal 11 and the contact pin 22 through the matching of the plugging port 111 and the inner elastic sheet 112, is not easy to loosen or have poor contact in an unstable scene, ensures that the terminal 11 is not easy to withdraw from the shell 12 through the matching of the outer elastic sheet 113 and the shell 12, and prevents the connector 1 and the socket 2 from being connected incorrectly through the foolproof part 124 at the edge of the shell 12; through the structure of the inserting concave position 211, the pin 22, the buckle 125, the buckling part 213 and the fool-proof notch 212, the problem that the pin 22 is contacted with the terminal 11 to burn out a circuit possibly when the connector 1 and the socket 2 are inserted by mistake is prevented.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, as it will be apparent to those skilled in the art that various modifications, combinations and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. A connector (1) characterized by comprising a housing (12) and a plurality of terminals (11), wherein the housing (12) is provided with a plurality of accommodating chambers (122) opened on the front side and the rear side, and the plurality of terminals (11) are respectively arranged in the plurality of accommodating chambers (122);

terminal (11) are formed by the sheetmetal bending, terminal (11) include socket (111) of the rectangle of the four sides surrounding form of front end and to interior shell fragment (112) of perk in socket (111), socket (111) aim at casing (12) hold storehouse (122) front end open side to when external contact pin (22) inserted socket (111), contact pin (22) quilt interior shell fragment (112) compress tightly with socket (111) inner wall contact.

2. The connector (1) according to claim 1, wherein the front end of the inner spring (112) is connected with the socket (111), and the rear end is tilted inward of the socket (111).

3. Connector (1) according to claim 2, characterized in that the inner spring (112) is bent back from the metal sheet in front of the plug-in opening (111).

4. The connector (1) according to claim 2, wherein the terminal (11) comprises an outer spring (113) tilted outwards, the outer spring (113) gradually rises from front to back, and the housing (12) comprises a base (121) and a support portion (123) arranged in the accommodating chamber (122) and corresponding to the outer spring (113), so that the rear end of the outer spring (113) abuts against the support portion (123) to prevent the terminal (11) from exiting the housing (12).

5. Connector (1) according to claim 4, characterized in that said housing (12) is an integral moulding of plastic, said support (123) being fixed with respect to said base (121).

6. The connector (1) according to claim 4, wherein the terminal (11) is provided with a through hole (114) penetrating inside and outside corresponding to the outer spring (113), the front end of the outer spring (113) is connected to the front edge of the through hole (114), the rear end of the outer spring is tilted outwards, the front end of the inner spring (112) and the front end of the outer spring (113) are both connected to the same side of the insertion port (111), the rear end of the inner spring (112) comprises a first portion (1121) tilted inwards of the insertion port (111) and a second portion (1122) bent towards the through hole (114) and connected to the rear section of the first portion (1121), so that when the pin (22) is inserted into the insertion port (111) of the terminal (11), the pin (22) presses the inner spring (112), and the inner spring (112) is pressed towards the through hole (114), the second part (1122) extends out of the penetrating hole (114) and is located on the inner side of the outer elastic sheet (113).

7. Connector (1) according to claim 1, characterized in that the housing (12) comprises a base (121) and a plurality of raised fool-proof portions (124) provided on the base (121), the housing compartment (122) being provided on the base (121), the fool-proof portions (124) being located at both lateral side edges of the front and back faces of the connector (1), and the fool-proof portions (124) of the front and back faces being raised in opposite directions.

8. Connector (1) according to claim 7, characterized in that the outer side of the fool-proof portion (124) is flush with the side of the base portion (121).

9. An electrical connection assembly, comprising a connector (1) according to any one of claims 1 to 8 and a socket (2) matched with the connector (1), wherein the housing (12) of the connector (1) comprises a base (121) and a raised buckle (125) arranged on the base (121), the socket (2) comprises a seat body (21), a pin (22) and a buckle part (213) arranged on the seat body (21) and matched with the buckle (125), the front end of the seat body (21) is provided with a socket concave position (211) matched and inserted with the front end of the connector (1), and the pin (22) is arranged in the socket concave position (211) and does not protrude outwards.

10. The electrical connection assembly of claim 9, wherein the pin (22) is spaced from the opening of the socket recess (211) by a distance of at least 2.0mm in the plugging direction.

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