CN211182609U

CN211182609U - Electrical connector

Info

Publication number: CN211182609U
Application number: CN201922162769.4U
Authority: CN
Inventors: 孔德文; 邓郁蓉
Original assignee: Alltop Electronics Suzhou Co Ltd
Current assignee: Alltop Electronics Suzhou Co Ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-08-04
Anticipated expiration: 2029-12-05

Abstract

The utility model provides an electric connector, which comprises a fixed body, a floating body and a plurality of conductive terminals, the fixed body is arranged in a frame shape and is provided with an accommodating space, the floating body is positioned in the accommodating space and can be movably arranged relative to the fixed body, the floating body is provided with four side walls which are connected in sequence, a butt joint space which is formed by the surrounding of the four side walls and a tongue plate which is exposed in the butt joint space, each conductive terminal is provided with a contact part which is exposed in the tongue plate and electrically connected with the butt joint connector, a first holding part which is fixed in a corresponding terminal groove of the fixed body, a welding part which extends from the first holding part and is connected with the circuit board and a second holding part which is fixed in the floating body, the electric connector is also provided with at least one pair of buffer parts which are elastically connected between the floating body and the fixed body, and the buffer parts are at least connected with two opposite side walls of the floating body. The utility model discloses electric connector electric connection is reliable.

Description

Electrical connector

Technical Field

The utility model relates to an electric connector especially relates to a reliable electric connector of electric connection.

Background

The conventional electrical connector is prone to poor electrical contact or even failure of electrical contact under a vibration environment, and particularly when applied to the field of vehicles, the conventional electrical connector still needs to meet the requirements of miniaturization and light weight, and at this time, the miniaturized electrical connector is more prone to causing electrical connection failure and short circuit risk due to vibration.

In view of the above, there is a need for an improved electrical connector to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric connector that electric connection is reliable.

In order to achieve the above object, the present invention provides an electrical connector, which comprises a fixed body, a floating body and a plurality of conductive terminals, wherein the fixed body is in a frame shape and has an accommodating space therein, the floating body is located in the accommodating space of the fixed body and is movably disposed relative to the fixed body, the floating body has four side walls connected in sequence, a butt space surrounded by the four side walls, and a tongue plate protruding out of the butt space, each conductive terminal has a contact portion protruding out of the tongue plate for electrically connecting with a butt connector, a first fixing portion fixed in a corresponding terminal groove of the fixed body, a welding portion extending from the first fixing portion for connecting with a circuit board, and a second fixing portion fixed in the floating body, the electrical connector further has at least one pair of buffer members elastically connected between the floating body and the fixed body, and the buffer piece is at least connected with the two side walls which are oppositely arranged on the floating body.

As a further improvement of the present invention, each of the buffering members has a fixing portion fastened to the side wall and an elastic portion formed by bending and extending the fixing portion, the elastic portion has a direction toward the fixing body protrudes to abut against the abutting portion of the fixing body.

As a further improvement of the present invention, each of the buffers further has a spacing portion detachably lapped on the fixed body to limit the downward excessive displacement of the floating body.

As a further improvement of the present invention, the elastic portion further has an elastic arm formed by bending and extending the fixing portion, and the limiting portion is located on the upper side of the abutting portion and overlapping the upper side of the fixing portion on the step surface formed by the fixing body.

As a further improvement of the present invention, each of the side walls connected to the buffer member has a slot opened upward, and the fixing portion is inserted into and fastened to the corresponding slot and is made the elastic portion is suspended to the outside of the side wall.

As a further improvement of the present invention, the conductive terminal further has a connecting portion connecting the first holding portion and the second holding portion, and the connecting portion is movably disposed with respect to the first holding portion and the second holding portion.

As a further improvement of the present invention, the connecting portion includes at least a first connecting portion and a second connecting portion which are disposed at an angle and movable relatively.

As a further improvement of the present invention, the conductive terminal further has a terminal portion formed by extending from the contact portion thereof, the terminal portion accommodates and abuts against the card disposed at the upper end of the tongue plate and holds in the slot, and the width of the terminal portion in the transverse direction is smaller than the width of the contact portion in the transverse direction.

As a further improvement of the present invention, the fixing body includes a pair of fixing walls which are oppositely disposed and a pair of end walls which are connected to each other at the end portion of the pair of fixing walls in the extending direction thereof, the terminal groove is disposed at the fixing wall, the terminal groove faces the floating body which is disposed at the inner side of the fixing body and is open, the floating body has at least a pair of protruding portions which are formed at the opposite ends thereof, and the fixing body has a stopping surface which is disposed downward and is located above the protruding portions to limit the protruding portions.

As a further improvement of the present invention, the electric connector has two sets of conductive terminals disposed in the two sides of the tongue plate, and the two sets of conductive terminals are mirror-symmetrical, and the conductive terminals are installed from the lower sides of the fixed body and the floating body.

The utility model discloses electric connector pass through elastic connection in floating body with at least a pair of bolster between the fixed body, just the bolster connect at least in two lateral walls that floating body set up relatively to the contact site that sets up on relative both sides to the hyoplastron provides balanced buffering guard action, absorbs the amplitude that vibrations produced in order to reduce to lead to the fact the influence to conductive terminal.

Drawings

Fig. 1 is a perspective assembly view of the electric connector of the present invention.

Fig. 2 is a view of the electrical connector of fig. 1 from another perspective.

Fig. 3 is an exploded perspective view of the electrical connector shown in fig. 1.

Fig. 4 is a perspective view of the conductive terminal of the electrical connector shown in fig. 3.

Fig. 5 to 6 are sectional views of the electrical connector shown in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 6, an electrical connector 100 according to a preferred embodiment of the present invention is shown, wherein the electrical connector 100 includes a fixed body 1, a floating body 2 located inside the fixed body 1, and a plurality of conductive terminals 3.

The fixing body 1 is configured in a frame shape, and includes a pair of fixing walls 11 disposed opposite to each other and a pair of end walls 12 connecting ends of the fixing walls 11 in an extending direction thereof, specifically, the fixing walls 11 are disposed opposite to each other in a first direction, and the end walls 12 are disposed opposite to each other in a second direction, where the first direction is perpendicular to the second direction.

Meanwhile, the fixing body 1 further has an accommodating space 10 located inside the fixing body and a plurality of terminal grooves 13 communicated with the accommodating space 10, the accommodating space 10 is formed by connecting the fixing wall 11 and the end wall 12 and is surrounded, the terminal grooves 13 are arranged on the fixing wall 11 and are divided into two rows located on two sides of the accommodating space 10, and the two rows of terminal grooves 13 are arranged opposite to each other in a facing manner. In this embodiment, two rows of the terminal grooves 13 are respectively recessed on the inner surface of the fixing wall 11, so that the terminal grooves 13 are disposed to be open toward the floating body 2 inside the fixing body 1.

Each of the fixing walls 11 further has a step surface 112 located at the top thereof, a pair of mounting grooves 113 opened on the outer surface thereof, and a blocking edge 114 located at one side of the step surface 112, specifically, the blocking edge 114 is located at the outer side of the step surface 112 in the first direction, that is, the step surface 112 is located closer to the accommodating space 10 than the blocking edge 114. The pair of mounting grooves 113 are provided on the outer surface of the fixed wall 11 in the first direction, and are respectively provided adjacent to the corresponding end walls 12.

Each of the end walls 12 has a pair of grooves 121 formed to be upwardly recessed from a bottom surface thereof, a spacing portion 122 for spacing the pair of grooves 121, and a stopper surface 123 at a top of the groove 121, the stopper surface 123 being disposed to face downward.

The floating body 2 is located in the accommodating space 10 of the fixed body 1 and is movably arranged relative to the fixed body 1. Specifically, the floating body 2 has four side walls 21 connected in sequence, a docking space 20 surrounded by the four side walls 21, and a tongue plate 22 protruding from the docking space 20. Specifically, the side wall 21 includes a pair of first side walls 211 oppositely disposed in a first direction and a pair of second side walls 212 oppositely disposed in a second direction, in this embodiment, the tongue plate 22 is elongated in the second direction, and the length of the first side walls 211 in the second direction is greater than the length of the second side walls 212 in the first direction.

A plurality of receiving grooves 221 are respectively formed on the two side surfaces of the tongue plate 22 in a recessed manner, specifically, the receiving grooves 221 are respectively disposed on the two side surfaces of the tongue plate 22 in the first direction, each receiving groove 221 extends along the height direction, and the receiving grooves 221 located on the same side surface are arranged at intervals along the second direction.

The upper end of the tongue plate 22 is provided with a plurality of clamping grooves 223, the clamping grooves 223 are arranged corresponding to the receiving grooves 221 one by one, each clamping groove 223 is located above the corresponding receiving groove 221 and is communicated with the receiving groove 221, in other words, the clamping groove 223 can also be regarded as formed by the receiving groove 221 continuously sinking upwards.

In addition, floating body 2 has the jut to establish at least a pair of protruding portion 231 and be located at its relative both ends that set up and be located scarce portion 232 between the protruding portion 231, protruding portion 231 accept in the corresponding recess 121 of fixed body 1, interval portion 122 stretches into in the scarce portion 232 to form interactive spacing in the first direction, the stopper face 123 of fixed body 1 is located the protruding portion 231 top is in order to carry on spacingly to it, so as to prevent floating body 2 upwards breaks away from fixed body 1.

The electrical connector 100 has two sets of conductive terminals 3 disposed on two sides of the tongue plate 22, and the two sets of conductive terminals 3 are arranged in a mirror symmetry manner, and the conductive terminals 3 are installed upwards from the lower sides of the fixed body 1 and the floating body 2.

Each of the conductive terminals 3 has a contact portion 31 exposed out of the tongue plate 22 to electrically connect with a mating connector (not shown), a first holding portion 32 fixed in the corresponding terminal groove 11 of the fixed body 1, a soldering portion 33 extending from the first holding portion 32 to connect with a circuit board (not shown), and a second holding portion 34 fixed in the floating body 2.

The conductive terminal 3 further has a connecting portion 35 connecting the first holding portion 32 and the second holding portion 34, and the connecting portion 35 is movably disposed relative to the first holding portion 32 and the second holding portion 34. The width of the connecting portion 35 in the second direction is smaller than the widths of the first holding portion 32 and the second holding portion 34 in the second direction.

Specifically, in the present embodiment, the connecting portion 35 includes at least a first connecting portion 351 and a second connecting portion 352, which are disposed at an angle and are movable relative to each other. Specifically, in the present embodiment, the first connecting portion 351 is horizontal in the non-abutting state and extends along the first direction, and the second connecting portion 352 is bent and extends upward from the end of the first connecting portion in the first direction.

In addition, each of the conductive terminals 3 further has a terminal portion 36 formed by extending from the contact portion 31 thereof, the terminal portion 36 is received and abutted in a retaining groove 223 formed at the upper end of the tongue plate 22, and the width of the terminal portion 36 in the transverse direction is smaller than that of the contact portion 31 in the transverse direction, so as to prevent the two sides of the terminal portion 36 from interfering with the floating body 2 to cause unevenness of the contact portion 31.

The electrical connector 100 further has at least one pair of buffering members 4 elastically connected between the floating body 2 and the fixed body 1, and the buffering members 4 are at least connected to two opposite side walls 21 of the floating body 2, so as to provide balanced buffering protection for the contact portions 31 disposed on the tongue plates 22 at two opposite sides.

Specifically, in the illustrated embodiment of the present invention, the buffer 4 is connected to the first side wall 211 of the floating body 2, i.e. to the two longer side walls 21 of the floating body 2; in other embodiments, the buffer 4 can also be connected to the second sidewall 212 of the floating body 2; alternatively, at least one pair of buffers 4 may be connected to the first sidewall 211, while at least another pair of buffers 4 is connected to the second sidewall 212.

Further, each of the cushion members 4 is made of a metal material, and has a fixing portion 41 fastened to the sidewall 21 and an elastic portion 42 formed by bending and extending from the fixing portion 41, and the elastic portion 42 has an abutting portion 421 protruding toward the fixing body 1 to abut against the fixing body 1.

Each buffer 4 further has a limiting portion 43 detachably connected to the fixed body 1 to limit the downward excessive displacement of the floating body 2. When the floating body 2 moves downward due to external vibration, the limiting portion 43 can provide an upward blocking force to the floating body 2 by means of the blocking of the fixing body 1, thereby preventing the floating body 2 from moving excessively downward.

The elastic portion 42 further has at least one elastic arm 422 bent and extended from the fixing portion 41, and the position-limiting portion 43 is located on the upper side of the abutting portion 421 and is lapped on the step surface 112 formed on the fixing body 1. In the present embodiment, the elastic portion 42 has a pair of the elastic arms 422, and the position-limiting portion 43 is located between the pair of elastic arms 422 in the second direction.

Meanwhile, each side wall 21 connected to the buffer member 4 has a slot 213 opened upward, and the fixing portion 41 is inserted into and fastened in the corresponding slot 213 and makes the elastic portion 42 hang on the outer side of the side wall 21. In this embodiment, each sidewall 21 connected to the buffer member 4 is also the first sidewall 211.

The electrical connector 100 further has a plurality of fixing members 5 for fixing and positioning the fixing body 1 on the circuit board, in this embodiment, the number of the fixing members 5 is two, and each fixing member 5 is L-shaped.

The utility model discloses electric connector 100 through elastic connection in floating body 2 with at least a pair of bolster 4 between the fixed body 1, just bolster 4 connect at least in two lateral walls 21 that floating body 2 set up relatively to the contact site 31 that sets up on relative both sides to hyoplastron 22 provides balanced buffering guard action, and the amplitude that the absorption vibrations produced is in order to reduce to lead to the fact the influence to conductive terminal 2.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. An electric connector comprises a fixed body, a floating body and a plurality of conductive terminals, wherein the fixed body is arranged in a frame shape and is provided with an accommodating space inside, the floating body is arranged in the accommodating space of the fixed body and can be movably arranged relative to the fixed body, the floating body is provided with four side walls which are sequentially connected, a butt joint space which is formed by surrounding the four side walls and a tongue plate which is exposed in the butt joint space, each conductive terminal is provided with a contact part which is exposed out of the tongue plate and is electrically connected with a butt joint connector, a first fixing part which is fixed in a corresponding terminal groove of the fixed body, a welding part which extends from the first fixing part and is connected with a circuit board and a second fixing part which is fixed in the floating body, and the electric connector is characterized in that: the electric connector is also provided with at least one pair of buffer parts which are elastically connected between the floating body and the fixed body, and the buffer parts are at least connected with two side walls which are oppositely arranged on the floating body.

2. The electrical connector of claim 1, wherein: each buffer piece is provided with a fixing part clamped and fixed on the side wall and an elastic part formed by bending and extending from the fixing part, and the elastic part is provided with an abutting part protruding towards the fixing body to abut against the fixing body.

3. The electrical connector of claim 2, wherein: each buffer piece is also provided with a limiting part which is detachably lapped on the fixed body so as to limit the downward excessive displacement of the floating body.

4. The electrical connector of claim 3, wherein: the elastic part is also provided with at least one elastic arm formed by bending and extending from the fixing part, and the limiting part is positioned on the upper side of the abutting part and is lapped on a step surface formed by the fixing body.

5. The electrical connector of claim 2, wherein: each side wall connected with the buffer piece is provided with a clamping groove which is opened upwards, and the fixing part is inserted and clamped in the corresponding clamping groove and enables the elastic part to be hung on the outer side of the side wall.

6. The electrical connector of claim 1, wherein: the conductive terminal is also provided with a connecting part which connects the first holding part and the second holding part, and the connecting part can be movably arranged relative to the first holding part and the second holding part.

7. The electrical connector of claim 6, wherein: the connecting part at least comprises a first connecting part and a second connecting part which are arranged at an angle and can move relatively.

8. The electrical connector of claim 6, wherein: the conductive terminal is also provided with a tail end part formed by extending from the contact part, the tail end part is accommodated and propped in a clamping groove arranged at the upper end of the tongue plate, and the width of the tail end part in the transverse direction is smaller than that of the contact part in the transverse direction.

9. The electrical connector of any one of claims 1 to 8, wherein: the fixed body includes a pair of fixed wall that sets up relatively and will a pair of end wall that the tip of a pair of fixed wall on its extending direction links to each other, the terminal groove set up in the fixed wall, the terminal groove orientation the inboard floating body of fixed body is opened and is set up, floating body has to establish suddenly and forms in its relative both ends that set up a pair of protruding portion at least, fixed body has and sets up towards the below and is located the protruding portion top is in order to carry out spacing backstop face to it.

10. The electrical connector of claim 9, wherein: the electric connector is provided with two groups of conductive terminals which are respectively arranged at two sides of the tongue plate, the two groups of conductive terminals are arranged in a mirror symmetry mode, and the conductive terminals are upwards installed from the lower sides of the fixed body and the floating body.