CN111326878A - Electrical connector - Google Patents
Electrical connector Download PDFInfo
- Publication number
- CN111326878A CN111326878A CN202010127951.0A CN202010127951A CN111326878A CN 111326878 A CN111326878 A CN 111326878A CN 202010127951 A CN202010127951 A CN 202010127951A CN 111326878 A CN111326878 A CN 111326878A
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- substrate
- contact
- groove
- plug
- piece
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/91—Coupling devices allowing relative movement between coupling parts, e.g. floating or self aligning
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/716—Coupling device provided on the PCB
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses an electric connector, which comprises a plug and a socket, wherein the plug comprises a first substrate and a plug assembly welded with the first substrate, and the plug assembly comprises a plug pin; the socket comprises a second substrate, a floating piece, a fixing piece and a contact elastic piece assembly welded with the second substrate, wherein the fixing piece is enclosed outside the floating piece, the floating piece is connected with the fixing piece through the contact elastic piece assembly, the contact elastic piece assembly is provided with a contact elastic piece, the floating piece is provided with an inserting guide groove, the contact elastic piece is provided with a contact part and a supporting part, the contact part is located in the inserting guide groove, and the supporting part is located between the floating piece and the fixing piece. The electric connector can improve the offset between the first substrate and the second substrate, reduce the positioning error of the first substrate and the second substrate, eliminate the internal stress in the contact spring sheet or the plug pin during electric connection, prevent the welding part of the plug pin and the first substrate and the welding part of the contact spring sheet and the second substrate from being damaged due to the influence of the stress, improve the connection reliability and facilitate operation and application.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to an electric connector.
Background
With the development of the electronic technology field, various electronic products (such as notebook computers, tablet computers, palm learning machines, etc.) are gradually developed towards being light, thin, short and small. When designing an electronic product, the internal volume of the electronic product is greatly reduced, but the internal space becomes narrow and cannot use enough functional elements, and in order to connect a plurality of functional elements through an electrical connector without reducing the functions of the electronic product, the electrical connector is generally used. Generally, the electrical connector comprises a plug and a socket, wherein the plug is provided with a first substrate and a first connecting terminal connected with the first substrate, the socket is provided with a second substrate and a second connecting terminal connected with the second substrate, the first connecting terminal and the second connecting terminal both have conduction functions, the socket is concavely provided with an inserting guide groove, the second connecting terminal is arranged in the inserting guide groove, and when the plug is in inserting fit with the socket, the first connecting terminal is contacted with the second connecting terminal to realize the electrical conduction of the first substrate and the second substrate. In the conventional electrical connector, the first connection terminal is inserted into the insertion guide groove, the first connection terminal and the second connection terminal are hard-connected, and the plug is locked on the socket by using the buckling part to prevent the first connection terminal from being separated from the insertion guide groove. However, the electrical connector with such a structure has the following disadvantages: 1. because the first connecting terminal and the second connecting terminal are in a hard connection mode, when a plurality of first connecting terminals are arranged and a plurality of pairs of second connecting terminals are arranged, certain tolerance exists in the matching of the first connecting terminals and the second connecting terminals, the difficulty of inserting the first connecting terminals into the inserting guide grooves is high, the user experience is poor, the second connecting terminals in the socket are easily damaged, or part of the first connecting terminals cannot be completely contacted with the second connecting terminals; 2. after the first connecting terminal and the second connecting terminal are correspondingly welded on the first substrate and the second substrate respectively, when the first connecting terminal of the first substrate and the second connecting terminal of the second substrate are inserted and matched, positioning error and offset can exist between the first connecting terminal and the second connecting terminal, the stress generated on the first connecting terminal and the second connecting terminal cannot be released in a hard connection mode, and a soldering point between the first connecting terminal and the first substrate or a soldering point between the second connecting terminal and the second substrate can be broken for a long time, so that the electric connector loses the function of conducting electric connection, and the use performance of the electric connector is influenced.
Disclosure of Invention
The invention aims to: the electric connector is convenient to insert and has long service life.
In order to achieve the purpose, the invention adopts the following technical scheme:
the electric connector comprises a plug and a socket which is matched with the plug in an inserted manner, wherein the plug comprises a first substrate and an insertion assembly welded with the first substrate, and the insertion assembly comprises at least two insertion pins which are distributed at intervals along a first direction;
the socket comprises a second substrate, a floating piece, a fixing piece and a contact spring piece component welded with the second substrate, the fixing piece is arranged around the outside of the floating piece, the floating piece is connected with the fixing piece through the contact spring piece component, the contact spring piece assembly is provided with at least two contact spring pieces which are distributed at intervals along the first direction, the floating piece is provided with an inserting guide groove for inserting the inserting pin, the contact spring piece is respectively provided with a contact part contacted with the inserting pin and a butting part in an arc structure towards the inserting pin, the abutting part is parallel to the second direction, the contact part is positioned in the inserting guide groove, the abutting part is positioned between the floating part and the fixing part, and the contact part and the abutting part are provided with an inserting position for the inserting pin to be inserted in the inserting guide groove.
As a preferable aspect of the electrical connector, the contact portion is inclined toward the abutting portion from the second substrate to the first substrate.
As a preferable technical solution of the electrical connector, the insertion guide groove has a first groove wall and a second groove wall that are distributed at intervals in the second direction, the first groove wall is disposed close to the fixing member, one end of the contact portion close to the second substrate is connected to the second groove wall, and one end of the contact portion far from the second substrate is disposed at an interval to the second groove wall.
As a preferable technical solution of the electrical connector, one end of the contact portion close to the first substrate is provided with a first position-limiting portion, one end of the first position-limiting portion far away from the contact portion extends toward the second groove wall, and a gap is formed between the first position-limiting portion and the second groove wall.
As a preferable technical solution of the electrical connector, one end of the contact elastic sheet, which is far away from the contact portion, is provided with a second limiting portion, and the second limiting portion is disposed between the fixing member and the second substrate.
As an optimal technical scheme of the electric connector, the second limiting part faces towards the first substrate, a clamping protrusion is arranged in a protruding mode, and a clamping groove matched with the clamping protrusion in a clamping mode is concavely arranged on the fixing piece.
As a preferable technical solution of the electrical connector, a reinforcing portion is provided at a position where the contact portion is formed by the contact spring.
As a preferable technical solution of the electrical connector, the inserting guide groove has a first groove wall and a second groove wall distributed at intervals in the second direction, the first groove wall is disposed close to the fixing member, the first groove wall is provided with an extending portion protruding toward the fixing member, the extending portion is disposed at an interval with the abutting portion, and the extending portion is located between the abutting portion and the first substrate.
As a preferred technical solution of the electrical connector, the first groove wall is provided with at least two first through holes for the contact elastic pieces to pass through, each of the first through holes is arranged at intervals along the first direction, and the first through holes correspond to the contact elastic pieces one to one.
As a preferable technical solution of the electrical connector, the plug includes an insulating housing and at least two sets of the plug assemblies, the number of the groups of the contact elastic sheet assemblies is equal to that of the groups of the inserting pins, the shell is arranged on the side surface of the first substrate facing the second substrate, the inserting assemblies are distributed at intervals along the second direction, the floating piece is provided with at least two inserting guide grooves at intervals, each inserting guide groove corresponds to each group of inserting components one by one, the shell comprises a groove with an opening facing the socket, one side of the plug pins departing from the second substrate is arranged in the groove in a penetrating way, each plug pin is respectively abutted against the side wall of the groove in the second direction, each side wall of the groove in the second direction can be inserted into the corresponding insertion guide groove.
The invention has the beneficial effects that: the floating piece moves a certain distance in the first direction and the second direction, the contact elastic piece is finely adjusted in the first direction and the second direction, in the process that the plug pins are inserted into the plug positions, the fine adjustment of the floating piece in the first direction and the second direction can be realized, the offset between the first substrate and the second substrate is improved, the positioning error of the first substrate and the second substrate is reduced, the internal stress in the contact elastic piece or the plug pins during electric connection is eliminated, the welding positions of the plug pins and the first substrate and the welding positions of the contact elastic piece and the second substrate are prevented from being damaged due to the influence of stress, the reliability of connection of the plug pins and the contact elastic piece is ensured, and the operation and the application are convenient.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
Fig. 1 is a top view of an electrical connector according to an embodiment.
Fig. 2 is a perspective view of an electrical connector according to an embodiment.
Fig. 3 is a sectional view taken along a-a in fig. 1.
Fig. 4 is a cross-sectional view of another angle of the electrical connector.
Fig. 5 is a schematic structural diagram of the contact spring according to the embodiment.
Fig. 6 is a schematic structural diagram of the plug pin according to the embodiment.
Fig. 7 is a schematic structural view of the plug according to the embodiment after the first substrate is removed.
In the figure:
100. a plug; 200. a socket;
1. a first substrate;
2. a housing; 21. a rebound space; 22. a boss; 23. a groove;
3. a first ground member;
4. a pin; 41. a first connection portion; 42. an arc-shaped portion; 43. a second connecting portion;
5. a float member; 51. a first slot wall; 52. a second slot wall; 53. inserting and connecting the guide groove; 54. an extension portion; 55. positioning a groove;
6. a fixing member; 61. a clamping groove;
7. a contact spring; 71. clamping the bulges; 72. a holding portion; 721. a second inclined section; 722. an arc-shaped section; 723. a first inclined section; 73. a second limiting part; 74. a soldering tin accommodating groove; 75. a reinforcing portion; 76. a contact portion; 77. a first limiting part;
8. a second substrate;
9. a second ground member.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 7, in the present embodiment, the electrical connector includes a plug 100 and a socket 200 mated with the plug 100. The plug 100 includes a first substrate 1 and a plug assembly welded to the first substrate 1, where the plug assembly includes at least two plug pins 4 distributed at intervals along a first direction. In this embodiment, the plugging component includes a plurality of plugging pins 4 distributed at intervals along the first direction, and the distance between two adjacent plugging pins 4 can be set as required. It will be appreciated that the spacing between any two adjacent pins 4 may or may not be equal. The socket 200 includes a second substrate 8, a floating member 5, a fixing member 6, and a contact spring assembly welded to the second substrate 8. Specifically, the floating member 5 and the fixing member 6 are both insulators, in this embodiment, the floating member 5 and the fixing member 6 are both made of plastic, and of course, in another embodiment, the floating member 5 and the fixing member 6 may also be made of other materials as long as the floating member 5 and the fixing member 6 are insulators. The fixing piece 6 is arranged outside the floating piece 5 in a surrounding mode, and the floating piece 5 is connected with the fixing piece 6 through the contact elastic piece assembly. The contact spring piece assembly is provided with at least two contact spring pieces 7 which are distributed at intervals along the first direction. The floating member 5 is provided with an inserting guide groove 53 for inserting the inserting pin 4, the contact spring piece 7 is respectively formed towards the inserting pin 4 with a contact part 76 contacting with the inserting pin 4 and a propping part 72 in an arc structure, and the propping part 72 is parallel to the second direction. In this embodiment, the contact portion 76 and the abutting portion 72 may be formed by blanking, but in another embodiment, the contact portion 76 and the abutting portion 72 may be formed by other processing methods, such as bending, and the processing method of the contact portion 76 and the abutting portion 72 is not particularly limited herein. The contact portion 76 is located in the inserting guide groove 53, the abutting portion 72 is located between the floating member 5 and the fixing member 6, and an inserting position for inserting the inserting pin 4 is formed in the inserting guide groove 53 by the contact portion 76 and the abutting portion 72. Specifically, the abutting portion 72 includes a first inclined section 723, a second inclined section 721, and an arc section 722 connected between the first inclined section 723 and the second inclined section 721, and when the floating member 5 is pushed toward the first direction by an external force, the first inclined section 723 abuts against the inner side of the fixing member 6. Referring to fig. 2, in this specification, a first direction refers to an X direction, a second direction refers to a Y direction, and the first direction is perpendicular to the second direction. The contact spring 7 forms a contact portion 76 and a support portion 72, the contact portion 76 is located in the inserting guide groove 53, and when the inserting pin 4 is inserted into the inserting position, the inserting pin 4 contacts with the contact portion 76, so that the first substrate 1 is connected with the second substrate 8. The abutting part 72 is located between the floating part 5 and the fixing part 6, the contact elastic sheet 7 penetrates into the inserting guide groove 53 from the groove wall part of the inserting guide groove 53, the abutting part 72 is of an arc-shaped structure, external force exerts driving force on the floating part 5 along the second direction, the abutting part 72 of the contact elastic sheet 7 is compressed and elastically deformed under the driving of the floating part 5, and then the contact elastic sheet 7 is integrally compressed, so that the floating part 5 displaces along the second direction, and the space of the inserting position in the second direction is changed. The abutting part 72 of the contact elastic sheet 7 is driven by the floating piece 5 to generate elastic deformation in the second direction, on one hand, the inserting position can be adapted to the inserting pins 4 with different thicknesses, on the other hand, when the inserting pins 4 are inserted into the inserting position, the space of the inserting position in the second direction is increased, the inserting space is reserved for the inserting pins 4, the inserting pins 4 are convenient to insert, the inserting pins 4 and the contact elastic sheet 7 are prevented from being damaged, and the service life of the contact elastic sheet 7 is prolonged. When the plug pin 4 is inserted into the plug position, the support part 72 is deformed under the elastic action of the contact spring 7, so that the space gap of the plug position is reduced, and the contact part 76 is in contact with the plug pin 4. In addition, because the contact spring 7 has elasticity, when a pushing force is applied to the floating piece 5 along the first direction, the contact portion 76 of the contact spring 7 is pushed and deformed in the first direction, so that the floating piece 5 can move a certain distance along the first direction, and then each contact portion 76 is finely adjusted in the first direction, so that the contact portion 76 of the contact spring 7 is in contact with the plug pin 4. The electric connector moves a certain distance in the first direction and the second direction through the floating piece 5, and then finely adjusts the contact elastic piece 7 in the first direction and the second direction. In the process of inserting the plug pins 4 into the plug position, the offset between the first substrate 1 and the second substrate 8 can be improved by fine adjustment of the floating piece 5 in the first direction and the second direction, the positioning error of the first substrate 1 and the second substrate 8 is reduced, and then the internal stress in the contact elastic sheet 7 or the plug pins 4 during electric connection is eliminated, so that the welding position of the plug pins 4 and the first substrate 1 and the welding position of the contact elastic sheet 7 and the second substrate 8 are prevented from being damaged due to stress influence, the reliability of connection between the plug pins 4 and the contact elastic sheet 7 is ensured, and the operation and the application are convenient.
Wherein, the plug pin 4 can be a rigid plug pin 4, and the plug pin 4 can also be an elastic plug pin 4. Preferably, the plug pins 4 are elastic plug pins 4, and because the plug pins 4 also have elasticity, when the plug pins are inserted into the plug positions, the plug pins 4 are elastically connected with the contact elastic pieces 7, so that damage to the plug pins 4 and the contact elastic pieces 7 is reduced.
In one embodiment, the contact portion 76 is inclined from the second substrate 8 to the first substrate 1 toward the abutting portion 72, the contact portion 76 is inclined, the contact portion 76 can be tightly attached to the plug pin 4 when the plug pin 4 is inserted into the plugging position, and the reliability of connection between the contact portion 76 and the plug pin 4 is improved.
Specifically, the insertion guide groove 53 has a first groove wall 51 and a second groove wall 52 spaced apart in the second direction, and the first groove wall 51 is disposed close to the fixing member 6. One end of the contact portion 76 close to the second substrate 8 is connected to the second groove wall 52, and one end of the contact portion 76 away from the second substrate 8 is spaced apart from the second groove wall 52. When the plugging pin 4 is inserted into the plugging position from the open end of the plugging guide groove 53, the plugging pin 4 pushes the contact portion 76 to move toward the second groove wall 52, so that the plugging pin 4 is smoothly plugged into the plugging position. When the pin 4 is inserted in place, the contact portion 76 has a tendency to move toward the second groove wall 52 under the action of the elastic force, so that the contact portion 76 is tightly attached to the pin 4, the risk of the pin 4 being separated from the contact portion 76 is reduced, and a good connection between the plug 100 and the socket 200 is ensured.
Preferably, one end of the contact portion 76 close to the first substrate 1 has a first position-limiting portion 77, one end of the first position-limiting portion 77 away from the contact portion 76 extends toward the second groove wall 52, and a gap is formed between the first position-limiting portion 77 and the second groove wall 52. After the contact portion 76 is pushed by the plug pin 4 toward the second groove wall 52 for a certain distance, the end of the first limiting portion 77 away from the contact portion 76 abuts against the second groove wall 52, so as to prevent the contact portion 76 from moving toward the second groove wall 52, and avoid the risk that the contact portion 76 cannot be reset due to the fact that the contact portion 76 is pushed for an excessively large distance.
In this embodiment, the first position-limiting portion 77 is formed by bending the contact spring 7 at an end away from the fixing element 6, so that an obtuse angle is formed between the first position-limiting portion 77 and the contact portion 76. Of course, in other embodiments, the first position-limiting portion 77 may also be formed by bonding or welding with the contact portion 76.
Preferably, the second groove wall 52 is provided with at least two positioning grooves 55 at intervals along the first direction, the second limiting parts 73 are located in the positioning grooves 55, and each second limiting part 73 corresponds to one positioning groove 55. The width of the positioning groove 55 is greater than the thickness of the second limiting portion 73, so that a space for deformation of the contact elastic sheet 7 along the first direction is reserved in the positioning groove 55, when the floating piece 5 is pushed along the first direction, the second limiting portion 73 can relatively displace in the positioning groove 55, and contact between two adjacent second limiting portions 73 is avoided.
In another embodiment, one end of the contact spring 7 away from the contact portion 76 has a second position-limiting portion 73, and the second position-limiting portion 73 is disposed between the fixing element 6 and the second substrate 8. Two side surfaces of the second limiting portion 73, which face away from each other, are respectively connected to the second substrate 8 and the fixing member 6. Specifically, the second limiting portion 73 is welded to the second substrate 8. The second limiting portion 73 is disposed between the fixing member 6 and the second substrate 8 to limit the contact spring 7, so as to prevent the contact spring 7 from displacing inside the fixing member 6.
Preferably, the fixing element 6 is provided with a receiving hole for receiving the second limiting portion 73, and the second limiting portion 73 penetrates into the receiving hole from the inner side of the fixing element 6.
Wherein, spacing portion 73 orientation of second first base plate 1 protrusion is provided with joint arch 71, 6 concave be equipped with of mounting with joint arch 71 joint complex joint groove 61. In this embodiment, protruding 71 of joint and the cooperation joint of joint groove 61 are with between spacing portion 73 chucking mounting 6 of second and the second base plate 8, and this design does not need the screw subassembly can be with contact shell fragment 7 locking between second base plate 8 and mounting 6, convenient equipment. Of course, in other embodiments, the second limiting portion 73 may be installed between the fixing member 6 and the second substrate 8 by a screw assembly.
In order to enhance the welding strength between the contact spring 7 and the second substrate 8, in this embodiment, a solder receiving groove 74 for receiving solder is recessed on a side where the contact spring 7 and the second substrate 8 are welded. Specifically, the plurality of solder receiving grooves 74 are provided, and the solder receiving grooves 74 are distributed at intervals along the extending direction of the contact spring 7.
In an embodiment, a reinforcing portion 75 is disposed at a position where the contact portion 76 is formed on the contact spring 7, and the arrangement of the reinforcing portion 75 can reinforce the structure of the contact spring 7 at the bending position, so as to reduce the risk of the contact spring 7 breaking at the bending position of the contact portion 76. Specifically, the reinforcing portion 75 and the abutting portion 72 are spaced apart from each other.
In this embodiment, the reinforcing portion 75 is formed by blanking, but in another embodiment, the reinforcing portion 75 may be formed by other processing methods, such as bending, and the processing method of the contact portion 76 and the abutting portion 72 is not particularly limited.
In another embodiment, the first groove wall 51 is provided with an extending portion 54 protruding toward the fixing member 6, the extending portion 54 and the abutting portion 72 are disposed at an interval, and the extending portion 54 is located between the abutting portion 72 and the first substrate 1. The floating member 5 with such a structure can limit the abutting portion 72 between the extending portion 54 and the second substrate 8.
In this embodiment, the first groove wall 51 is provided with at least two first through holes (not shown in the figure) for the contact spring 7 to pass through, each of the first through holes is arranged at intervals along the first direction, and the first through holes correspond to the contact spring 7 one by one. Each contact elastic sheet 7 penetrates through the first through hole from the outside of the floating piece 5, and the contact elastic sheets 7 partially extend into the inserting guide groove 53, and because the first through holes on the first groove wall 51 are mutually independent, when the floating piece 5 is pushed along the first direction, two adjacent contact elastic sheets 7 are prevented from being mutually contacted.
The plug 100 includes an insulating housing 2 and at least two sets of the plug-in components, the number of the sets of the contact spring components is equal to the number of the sets of the plug-in pins 4, the housing 2 is disposed on the side surface of the first substrate 1 facing the second substrate 8, and the plug-in components of each set are distributed at intervals along the second direction. In this embodiment, the housing 2 is made of a plastic material, but in another embodiment, the housing 2 may also be made of other materials, and the material of the housing 2 is not particularly limited herein. The floating piece 5 is provided with at least two inserting guide grooves 53 at intervals, and each inserting guide groove 53 corresponds to each group of inserting components one to one. The housing 2 includes a groove 23 having an opening facing the socket 200, one side of the plug pin 4 facing away from the second substrate 8 penetrates the groove 23, each plug pin 4 abuts against a sidewall of the groove 23 in the second direction, and each sidewall of the groove 23 in the second direction can be inserted into the corresponding plug guide slot 53. The insulating shell 2 is arranged, when the plug 100 is plugged with the socket 200, the shell 2 can be held by hand to plug the plug pins 4 on the plug 100 into the plugging positions, and plugging is facilitated. Each plug pin 4 abuts against the side wall of the groove 23 in the second direction, so that the plug pins 4 are prevented from being suspended in the groove 23, and the risk that the plug pins 4 are damaged when the plug pins 4 are plugged into the plugging positions can be reduced. The assembly of the plug pins 4 and the assembly of the contact spring piece are provided with at least two groups, so that the use requirements of the first substrate 1 and the second substrate 8 are met, and when each side wall of the groove 23 in the second direction is plugged into the corresponding plug guide groove 53, each plug pin 4 on the side wall of the groove 23 is respectively contacted with the contact spring piece 7 of the plug guide groove 53 on the second groove wall 52 in the second direction. In this embodiment, the insertion components and the contact spring assemblies are provided with two sets, the casing 2 is provided with a groove 23, the insertion components are respectively arranged on two side walls of the groove 23 in the second direction, the floating member 5 is respectively provided with two insertion guide grooves 53 arranged at intervals, the second groove wall 52 corresponding to the insertion guide grooves 53 is provided with a contact spring assembly, and the two groove walls are arranged at two ends of the first direction and are respectively communicated, so that the groove walls of the groove 23 in the second direction can be simultaneously inserted into the two insertion guide grooves 53.
In this embodiment, at least two second through holes (not shown in the figure) communicated with the groove 23 are formed in a side surface of the housing 2 away from the second substrate 8, the second through holes are distributed at intervals, the number of the second through holes is equal to that of the plug pins 4, and the plug pins 4 penetrate through the second through holes and extend into the groove 23.
Specifically, the pins 4 respectively include a first connecting portion 41 and a second connecting portion 43 disposed perpendicular to the first connecting portion 41, the second connecting portion 43 is disposed in the recess 23, and the first connecting portion 41 is disposed between the housing 2 and the second substrate 8. One side surface of the first connecting portion 41 close to the first substrate 1 is welded to the first substrate 1, and one side surface of the first connecting portion 41 away from the first substrate 1 abuts against the housing 2. The first connection portion 41 is disposed perpendicular to the second connection portion 43, increasing the bonding area of the first connection portion 41 and the first substrate 1.
Preferably, an arc portion 42 is connected between the first connecting portion 41 and the second connecting portion 43. The arc-shaped portion 42 is arranged to form an inclination between the first connecting portion 41 and the second connecting portion 43, so that when the first connecting portion 41 is welded to the first substrate 1, the solder flowing to the second connecting portion 43 along the connecting position between the first connecting portion 41 and the second connecting portion 43 can be reduced when the pin 4 is welded, and the phenomenon of tin climbing of the second connecting portion 43 is prevented.
Furthermore, a boss 22 is convexly arranged on one side surface of the housing 2, which is away from the second substrate 8, the boss 22 is correspondingly arranged at one end of the first connecting portion 41, which is far away from the second connecting portion 43, abuts against the surface of the boss 22, and a rebound space 21 is formed at a position of the housing 2, which is located between the boss 22 and a side wall of the groove 23. The bosses 22 are provided to raise the positions of the first connecting portions 41 to form the rebound spaces 21 on the housing 2. When the pin 4 is specifically processed, the pin 4 is usually bent to form the first connecting portion 41, the arc portion 42 and the second connecting portion 43, and the first connecting portion 41 and the second connecting portion 43 are vertically disposed, so that the spring back space 21 is formed at a position between the boss 22 and the side wall of the groove 23 corresponding to the housing 2, which is advantageous for controlling the flatness of the first connecting portion 41.
As a preferred embodiment, the electrical connector further comprises the fool-proof structure, by which the erroneous insertion operation of the plug can be effectively prevented.
In one embodiment, the fool-proof structure comprises a fool-proof protrusion (not shown) and a fool-proof groove (not shown) matching with the fool-proof protrusion, one of the fool-proof protrusion and the fool-proof groove is arranged on the floating member 5, and the other one is arranged on the shell 2. When the fool-proof protrusion can be inserted into the fool-proof groove, the plug pins 4 in the plug 100 are conducted with the contact spring 7 in the socket 200.
In this embodiment, the first substrate 1 is connected with a first grounding piece 3, and the first grounding piece 3 is at least partially embedded in the housing 2. A second grounding piece 9 is connected to the second substrate 8, and the second grounding piece 9 is at least partially embedded in the fixed shell 2. Specifically, the first grounding piece 3 and the second grounding piece 9 are both metal pins.
In the description herein, it is to be understood that the terms "first" and "second" are used merely for descriptive purposes and are not to be construed as specifically limiting.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention and the technical principles used, and any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein should be covered within the protective scope of the present invention.
Claims (10)
1. An electric connector is characterized by comprising a plug and a socket which is matched with the plug in an inserted manner, wherein the plug comprises a first substrate and an insertion component welded with the first substrate, and the insertion component comprises at least two insertion pins which are distributed at intervals along a first direction;
the socket comprises a second substrate, a floating piece, a fixing piece and a contact spring piece component welded with the second substrate, the fixing piece is arranged around the outside of the floating piece, the floating piece is connected with the fixing piece through the contact spring piece component, the contact spring piece assembly is provided with at least two contact spring pieces which are distributed at intervals along the first direction, the floating piece is provided with an inserting guide groove for inserting the inserting pin, the contact spring piece is respectively provided with a contact part contacted with the inserting pin and a butting part in an arc structure towards the inserting pin, the abutting part is parallel to the second direction, the contact part is positioned in the inserting guide groove, the abutting part is positioned between the floating part and the fixing part, and the contact part and the abutting part are provided with an inserting position for the inserting pin to be inserted in the inserting guide groove.
2. The electrical connector of claim 1, wherein the contact portion is inclined toward the holding portion from the second substrate to the first substrate.
3. The electrical connector of claim 2, wherein the insertion channel has a first channel wall and a second channel wall spaced apart from each other in the second direction, the first channel wall is disposed adjacent to the fixing member, the contact portion is connected to the second channel wall at an end close to the second substrate, and the contact portion is spaced apart from the second channel wall at an end away from the second substrate.
4. The electrical connector of claim 3, wherein an end of the contact portion close to the first substrate has a first position-limiting portion, an end of the first position-limiting portion away from the contact portion extends toward the second groove wall, and a gap is formed between the first position-limiting portion and the second groove wall.
5. The electrical connector of claim 1, wherein an end of the contact spring away from the contact portion has a second position-limiting portion, and the second position-limiting portion is disposed between the fixing member and the second substrate.
6. The electrical connector of claim 5, wherein the second limiting portion protrudes toward the first substrate and is provided with a clamping protrusion, and the fixing member is concavely provided with a clamping groove matched with the clamping protrusion in a clamping manner.
7. The electrical connector of claim 1, wherein the contact spring is provided with a reinforcement portion at a position where the contact portion is formed.
8. The electrical connector of claim 1, wherein the insertion guiding groove has a first groove wall and a second groove wall spaced apart from each other in the second direction, the first groove wall is disposed adjacent to the fixing member, the first groove wall is provided with an extending portion protruding toward the fixing member, the extending portion is spaced apart from the abutting portion, and the extending portion is located between the abutting portion and the first substrate.
9. The electrical connector of claim 8, wherein the first slot wall defines at least two first through holes for the contact spring to pass through, the first through holes are spaced apart along the first direction, and the first through holes are in one-to-one correspondence with the contact spring.
10. The electrical connector of any one of claims 1 to 9, wherein the plug comprises an insulative housing and at least two sets of the plug assemblies, the number of the groups of the contact elastic sheet assemblies is equal to that of the groups of the inserting pins, the shell is arranged on the side surface of the first substrate facing the second substrate, the inserting assemblies are distributed at intervals along the second direction, the floating piece is provided with at least two inserting guide grooves at intervals, each inserting guide groove corresponds to each group of inserting components one by one, the shell comprises a groove with an opening facing the socket, one side of the plug pins departing from the second substrate is arranged in the groove in a penetrating way, each plug pin is respectively abutted against the side wall of the groove in the second direction, each side wall of the groove in the second direction can be inserted into the corresponding insertion guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010127951.0A CN111326878A (en) | 2020-02-28 | 2020-02-28 | Electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010127951.0A CN111326878A (en) | 2020-02-28 | 2020-02-28 | Electrical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111326878A true CN111326878A (en) | 2020-06-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010127951.0A Pending CN111326878A (en) | 2020-02-28 | 2020-02-28 | Electrical connector |
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| Country | Link |
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| CN (1) | CN111326878A (en) |
Cited By (4)
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| CN113937527A (en) * | 2021-10-11 | 2022-01-14 | 中航光电精密电子（深圳）有限公司 | Floating board-to-board connector and public seat thereof |
| CN114583514A (en) * | 2020-11-30 | 2022-06-03 | 疆域康健创新医疗科技成都有限公司 | Fixing structure |
| WO2023193322A1 (en) * | 2022-04-08 | 2023-10-12 | 厦门广泓工贸有限公司 | Electrical connecting member and floating connector |
| CN119092924A (en) * | 2024-11-04 | 2024-12-06 | 江苏正力新能电池技术股份有限公司 | Electrical connector fixing seat, battery pack and electrical equipment |
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Application publication date: 20200623 |