CN211530249U - Female terminal electric connector - Google Patents

Abstract

The utility model relates to an electric connector technical field, the utility model provides a female end electric connector, be used for contacting the electrically conductive contact piece in order to realize the electricity to be connected with public end electric connector including female end insulating housing and at least one, female end insulating housing offers in its leading flank and extends the setting and be used for the public first inserting groove with public end electric connector grafting complex along the fore-and-aft direction, female end insulating housing still offers at least one contact holding tank that is used for settling electrically conductive contact piece in the cell wall of public first inserting groove, electrically conductive contact piece has elasticity, and can lean out the notch setting of contact holding tank under the effect of its elastic restoring force, and can accomodate in the contact holding tank when receiving the extrusion of public end electric connector. Based on the setting of contact holding tank, can effectively compress the groove width size of public first inserting groove on the basis of the structural strength of the insulating casing of assurance female end, reduced the whole thickness of the insulating casing of female end to a certain extent, do benefit to female end electric connector and tend towards slim development.

Description

Female terminal electric connector

Technical Field

The application belongs to the technical field of electric connectors, and particularly relates to a female-end electric connector.

Background

Female end electric connector includes female end insulating housing and at least one is used for the electrically conductive contact piece of being connected the contact with public end electric connector electricity, female end insulating housing offers on its one side be used for with public end electric connector grafting cooperation and be used for holding the public first inserting groove of each electrically conductive contact piece, public end electric connector and electrically conductive contact piece can be accomodate in the lump to public first inserting groove needs, meanwhile, for the structural strength of guarantee female end insulating housing, female end insulating housing's whole thickness will be difficult to reduce, be unfavorable for female end electric connector's thinization development.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the present application is to provide a female end electrical connector to solve the overall thickness of the female end insulating housing of the existing female end electrical connector and be difficult to reduce, be unfavorable for the technical problem of the thinning development of the female end electrical connector.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the utility model provides a female end electric connector for with public end electric connector electricity connection cooperation, including female end insulating housing and at least one be used for with public end electric connector contact is in order to realize the electrically conductive contact piece of electricity connection, female end insulating housing set up in its leading flank along the fore-and-aft direction extend the setting and be used for with public end electric connector grafting complex public first inserting groove, female end insulating housing still in the cell wall of public first inserting groove sets up at least one and is used for settling the contact holding tank of electrically conductive contact piece, electrically conductive contact piece has elasticity to can visit under the effect of its elastic restoring force the notch setting of contact holding tank, and receive when receiving public end electric connector extrusion can accomodate in the contact holding tank.

In one embodiment, the contact accommodating groove is provided with a contact limiting groove for limiting the conductive contact piece to move up and down, and the groove wall of the contact accommodating groove, which is away from the male plug connecting groove, is wider than the groove width of the contact accommodating groove.

In one embodiment, the conductive contact piece including be used for with the spacing complex limit structure of contact spacing groove, connect in limit structure front end and can produce elastic deformation's under the exogenic action contact structure and connect in the electric connection structure of limit structure rear end, the contact structure hold in the contact holding tank just bulges under the effect of its elastic recovery power the notch setting of contact holding tank, female end insulating housing still in the contact holding tank or offer on the back cell wall of contact spacing groove and be used for the confession the electric connection hole that the electric connection structure stretches out in order to realize the electricity and connect.

In one embodiment, the contact structure includes an elastic abutting portion and a deformable abutting portion, which are sequentially connected, the elastic abutting portion is configured to elastically abut against the male electrical connector when the male electrical connector is plugged into the male plug slot, and the deformable abutting portion is configured to elastically abut against the position-limiting structure when the elastic abutting portion elastically deforms.

In one embodiment, the elastic abutting portion extends downward and backward relative to the limiting structure, and the deformation abutting portion extends upward and forward relative to the elastic abutting portion.

In one embodiment, limit structure includes spacing body and connect in the stopper that spacing body both sides side and outside extension set up, the stopper be used for with the spacing cooperation of contact spacing groove.

In one embodiment, the female electrical connector further includes two female fixing pieces respectively disposed at two sides of the female insulating housing and used for fixing the female insulating housing.

In one embodiment, the female end insulating housing is provided with a fixed accommodating groove on a front side surface thereof for accommodating the female end fixing piece, the female end insulating housing is provided with a clamping structure in the fixed accommodating groove, and the female end fixing piece is provided with a clamping groove for clamping and matching with the clamping structure when the female end insulating housing is accommodated in the fixed accommodating groove.

In one embodiment, when the female terminal fixing piece is received in the fixing receiving groove, a lower side surface of the female terminal fixing piece is disposed flush with a lower side surface of the female terminal insulating housing.

In one embodiment, the number of the contact accommodating grooves is at least two, and each contact accommodating groove is arranged at intervals along the groove wall of the male plug groove.

The application provides beneficial effect lies in:

the application provides a female end electric connector is through seting up public first jack on female end insulating housing to supply public end electric connector rather than the cooperation of pegging graft, still through holding the public end electric connector of elastic contact when public end electric connector and public first jack are pegged graft the cooperation in the electrically conductive contact piece in the contact accommodation groove, with the electric connection relation of establishing between female end electric connector and the public end electric connector. Based on the setting of contact holding tank, can not cause great influence to female end insulating housing's intensity, and can hold electrically conductive contact piece, make electrically conductive contact piece can not occupy the space of public end inserting groove when public end electric connector is pegged graft with public end inserting groove and is cooperated, thereby can effectively compress the groove width size of public first inserting groove on the basis of the structural strength who guarantees female end insulating housing, female end insulating housing's whole thickness has been reduced to a certain extent, do benefit to female end electric connector and tend to slim development.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, 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 application, 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 schematic perspective view of a female electrical connector according to an embodiment of the present disclosure;

fig. 2 is an exploded view of the female electrical connector provided in fig. 1;

FIG. 3 is a front view of the female end insulated housing provided in FIG. 2;

fig. 4 is a schematic perspective view of the conductive contact plate provided in fig. 2;

fig. 5 is a perspective view of the female end fixing sheet provided in fig. 2.

Wherein, in the figures, the respective reference numerals:

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be considered as limiting.

It should be further noted that, in the embodiment of the present application, the XYZ rectangular coordinate system established in fig. 1 is defined as follows: one side in the positive direction of the X axis is defined as the front, and one side in the negative direction of the X axis is defined as the back; one side in the positive Y-axis direction is defined as the left side, and one side in the negative Y-axis direction is defined as the right side; the side in the positive direction of the Z axis is defined as the upper side, and the side in the negative direction of the Z axis is defined as the lower side.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Specific implementations of the present application are described in more detail below with reference to specific embodiments:

referring to fig. 1-3, an embodiment of the present invention provides a female electrical connector for electrically connecting and matching with a male electrical connector, the female electrical connector includes a female insulating housing 100 and at least one conductive contact piece 200 for contacting with the male electrical connector to achieve electrical connection, the front side of the female insulating housing 100 is provided with a male plugging slot 101 extending along a front-back direction and being used for plugging and matching with the male electrical connector, the female insulating housing 100 is further provided with at least one contact accommodating slot 102 for accommodating the conductive contact piece on a slot wall of the male plugging slot 101, the conductive contact piece 200 has elasticity and can extend out of a slot opening of the contact accommodating slot 102 under an elastic restoring force thereof, and can be accommodated in the contact accommodating slot 102 when being squeezed by the male electrical connector.

It should be noted that, the female electrical connector is usually connected to one circuit board, the male electrical connector is usually connected to another circuit board, and a stable electrical connection relationship can be established between the two circuit boards by electrically mating the female electrical connector and the male electrical connector. In this embodiment, the female-end electrical connector has a male plug insertion groove 101 formed on the female-end insulating housing 100 for inserting and matching with the male-end electrical connector, wherein the groove width of the male plug insertion groove 101 in the vertical direction is greater than or equal to the thickness of the male-end electrical connector. The conductive contact piece 200 is a conductive contact piece 200 made of metal, the conductive contact piece 200 is electrically connected with a circuit board to be connected with the female-end electrical connector, when the male-end electrical connector is inserted into the male-end insertion groove 101, the conductive contact piece 200 is elastically contacted with a corresponding conductive structure of the male-end electrical connector to realize electrical connection, so that the male-end electrical connector and the female-end electrical connector can establish a stable electrical connection relationship. Alternatively, the conductive contact sheet 200 is an electrical connection sheet made of copper.

It should be noted that, in general, in order to ensure the structural strength of the female-end insulating housing 100 when the male-end electrical connector is mated with the male-end plugging slot 101, and to ensure the service life of the female-end electrical connector, the overall thickness of the female-end insulating housing 100 needs to be about twice as large as the slot width of the male-end plugging slot 101 in the vertical direction. Thus, the larger the slot width of the male connector insertion slot 101, the larger the thickness of the female-end insulating housing 100 will be. Based on this, in the present embodiment, the contact accommodating groove 102 is formed in the upper groove wall or the lower groove wall of the male connector insertion groove 101 to accommodate the conductive contact piece 200 without changing the thickness of the female terminal insulating housing 100 around the male connector insertion groove 101. Since the conductive contact strip 200 needs to be in contact with the male electrical connector, the conductive contact strip 200 needs to slightly protrude from the notch of the contact receiving slot 102 when being received in the contact receiving slot 102. Based on the arrangement of the contact accommodating groove 102, the space of the male connector insertion groove 101 occupied by the conductive contact piece 200 can be compressed, so that the groove width of the male connector insertion groove 101 in the up-down direction can be correspondingly reduced, and the thickness of the male connector insertion groove is approximately equal to the thickness of the male end electric connector. And because the size of the conductive contact piece 200 is generally smaller, the space of the female-end insulating housing 100 occupied by the contact accommodating grooves 102 is not too large, and because the contact accommodating grooves 102 are not communicated, a certain thickness is still kept between the female-end insulating housing 100 and the male plug insertion groove 101, therefore, the structural strength of the female-end insulating housing 100 when the male-end electric connector is in plug fit with the male plug insertion groove 101 is not greatly influenced, and the thickness of the female-end insulating housing 100 at the periphery of the male plug insertion groove 101 is not required to be increased. On the basis that the thickness of the female-end insulating shell 100 at the periphery of the male plug inserting groove 101 is not increased and the groove width of the male plug inserting groove 101 is reduced to a certain extent, the overall thickness of the female-end insulating shell 100 can be reduced to a certain extent, so that the female-end electric connector tends to be thinned and developed.

The female-end electrical connector provided by the embodiment of the application is provided with the male connector plugging groove 101 on the female-end insulating housing 100 so that the male-end electrical connector can be plugged and matched with the male-end electrical connector, and the conductive contact piece 200 accommodated in the contact accommodating groove 102 is elastically contacted with the male-end electrical connector when the male-end electrical connector is plugged and matched with the male connector plugging groove 101 so as to establish an electrical connection relationship between the female-end electrical connector and the male-end electrical connector. Based on the setting of contact holding tank 102, can not cause great influence to female end insulating housing 100's intensity, and can hold electrically conductive contact piece 200, make electrically conductive contact piece 200 can not occupy the space of public end inserting groove 101 when public end electric connector pegs graft the cooperation with public end inserting groove 101, thereby can effectively compress the groove width size of public first inserting groove 101 on the basis of the structural strength of assurance female end insulating housing 100, the whole thickness of female end insulating housing 100 has been reduced to a certain extent, do benefit to female end electric connector and tend to slim development.

Referring to fig. 1-3, in the present embodiment, the female insulating housing 100 further has a contact limiting groove 103 formed on a groove wall of the contact accommodating groove 102 away from the male plug insertion groove 101 for limiting the up-and-down movement of the conductive contact piece 200, and a groove width of the contact limiting groove 103 is greater than a groove width of the contact accommodating groove 102. It should be noted here that, based on the arrangement of the present embodiment, on one hand, the conductive contact piece 200 is restricted from moving up and down relative to the contact limiting groove 103, so that the primary fixation of the conductive contact piece 200 can be realized, which is beneficial to ensuring the electrical connection stability of the female-end electrical connector and the male-end electrical connector; on the other hand, on the basis of ensuring that the conductive contact piece 200 can extend out of the notch of the contact accommodating groove 102, the groove width of the contact accommodating groove 102 is correspondingly reduced, so as to ensure the structural strength of the female-end insulating housing 100 between the contact accommodating groove 102 and the contact accommodating groove 102, further ensure the structural strength of the female-end insulating housing 100, further avoid increasing the thickness of the female-end insulating housing 100 at the periphery of the male plug groove 101, and facilitate the trend of the female-end electric connector towards thinning development.

Referring to fig. 2-4, in the present embodiment, the conductive contact piece 200 includes a position-limiting structure 210 for limiting and matching with the contact position-limiting groove 103, a contact structure 220 connected to a front end of the position-limiting structure 210 and capable of elastically deforming under an external force, and an electrical connection structure 230 connected to a rear end of the position-limiting structure 210, wherein the contact structure 220 is accommodated in the contact accommodating groove 102 and protrudes out of a notch of the contact accommodating groove 102 under an elastic restoring force thereof, and the female-end insulating housing 100 further includes an electrical connection hole 104 for extending out the electrical connection structure 230 to achieve electrical connection on the contact accommodating groove 102 or a rear groove wall of the contact position-limiting groove 103.

It should be noted that the limiting structure 210 is limited in the contact limiting groove 103 to limit the whole conductive contact piece 200 from moving up and down relative to the contact limiting groove 103; the contact structure 220 is accommodated in the contact accommodating groove 102 and protrudes out of the notch of the contact accommodating groove 102, when the male end electrical connector is in inserting fit with the male plug insertion groove 101, the contact structure 220 elastically deforms towards the side away from the male end electrical connector and establishes a stable electrical connection relation with the male end electrical connector; the electric connection structure 230 penetrates out of the contact accommodating groove 102 or the contact limiting groove 103 from the electric connection hole 104 and is used for realizing electric connection with a corresponding circuit board or a corresponding conductive cable, and in addition, based on the structural arrangement of the electric connection structure 230, the conductive contact piece 200 can be limited to move back and forth relative to the contact accommodating groove 102 so as to be separated from the contact accommodating groove 102, so that the fixation of the conductive contact piece 200 can be further realized, and the electric connection stability of the female-end electric connector and the male-end electric connector can be further guaranteed. Therefore, based on the conductive contact piece 200 provided in this embodiment, the female electrical connector and the male electrical connector can be electrically connected stably.

Referring to fig. 2-4, in the present embodiment, the contact structure 220 includes an elastic contact portion 221 and a deformation contact portion 222, which are sequentially connected, the elastic contact portion 221 is used for elastically contacting the male electrical connector when the male electrical connector is plugged into the male plug slot 101, and the deformation contact portion 222 is used for elastically contacting the position-limiting structure 210 when the elastic contact portion 221 is elastically deformed. It should be noted that, when the male connector is inserted into the male plug slot 101, the elastic contact portion 221 will elastically deform toward the side away from the male connector, and at the same time, the deformation contact portion 222 will contact between the position-limiting structure 210 and the elastic contact portion 221 to form a contact force toward the side of the male connector for the elastic contact portion 221, so that the elastic contact portion 221 can tightly contact the corresponding position of the male connector, thereby ensuring and improving the stability of the electrical connection between the contact structure 220 and the male connector, and avoiding the risk of disconnection in the electrical connection.

Referring to fig. 2-4, in the present embodiment, the elastic abutting portion 221 extends downward and rearward relative to the position-limiting structure 210, and the deformable abutting portion 222 extends upward and forward relative to the elastic abutting portion 221. It should be noted that, based on the arrangement of the present embodiment, on one hand, a triangle-like structure is formed among the elastic collision part 221, the deformation collision part 222, and the limiting structure 210, so as to be beneficial to ensuring the structural strength of the contact structure 220 and to ensuring the stability of the electrical connection between the contact structure 220 and the male electrical connector; on the other hand, the elastic deformation of the elastic abutting portion 221 generated by the deformed abutting portion 222 can be facilitated to form a supporting force towards one side of the male electrical connector on the elastic abutting portion 221, thereby further ensuring the stability of the electrical connection between the contact structure 220 and the male electrical connector.

Referring to fig. 2-4, in the present embodiment, the limiting structure 210 includes a limiting body 211 and limiting blocks 212 connected to two sides of the limiting body 211 and extending outward, and the limiting blocks 212 are used for limiting and matching with the contact limiting grooves 103. It should be noted that, based on the arrangement of the present embodiment, the limiting block 212 is in limiting fit with the contact limiting groove 103 to maintain the relative position of the limiting structure 210 fixed, and the width of the limiting body 211 is correspondingly reduced in terms of ensuring the overall structural strength of the limiting structure 210, so as to correspondingly reduce the weight of the limiting structure 210, that is, reduce the load of the conductive contact piece 200 on the female-end insulating housing 100, thereby further ensuring the structural strength of the female-end insulating housing 100.

Referring to fig. 2-3 and 5, in the present embodiment, the female electrical connector further includes two female fixing pieces 300 disposed on two sides of the female insulating housing 100 and used for fixing the female insulating housing 100. It should be noted that, the two female-end fixing pieces 300 respectively disposed on the two sides of the female-end insulating housing 100 can facilitate the female-end electrical connector to be quickly and easily connected to the circuit board. Optionally, the female end fixing piece 300 is opened with a connection hole for an external fastener to pass through for mechanical connection with the circuit board.

Referring to fig. 2-3 and 5, in the present embodiment, the front side surface of the female insulating housing 100 is provided with a fixing receiving groove 105 for receiving the female fixing piece 300, the female insulating housing 100 is provided with a clamping structure 110 in the fixing receiving groove 105, and the female fixing piece 300 is provided with a clamping groove 301 for clamping and matching with the clamping structure 110 when the female fixing piece is received in the fixing receiving groove 105. It should be noted that the female insulation housing 100 accommodates the female fixing piece 300 through the fixing receiving groove 105, so as to reduce the overall occupied space of the female electrical connector, which is beneficial to the miniaturization development of the female electrical connector. Female end stationary blade 300 passes through joint groove 301 and the cooperation of joint structure 110 joint to the relative female end insulating housing 100 of female end stationary blade 300 of restriction reciprocates, and is favorable to ensureing that female end stationary blade 300 and female end insulating housing 100 relative position are fixed. Therefore, based on the arrangement of the embodiment, the structure compactness of the female electrical connector can be further improved, so that the whole occupied space of the female electrical connector is reduced, and the installation convenience of the female electrical connector is improved.

Referring to fig. 1, 3 and 5, in the present embodiment, when the female end fixing piece 300 is accommodated in the fixing accommodating groove 105, the lower side surface of the female end fixing piece 300 is flush with the lower side surface of the female end insulating housing 100. It should be noted that the cross-sectional shape of the fixing receiving groove 105 corresponds to the shape of the female end fixing piece 300, so that the lower side surface of the female end fixing piece 300 is flush with the lower side surface of the female end insulating housing 100 when the female end fixing piece is received in the fixing receiving groove 105.

Referring to fig. 1-3, in the present embodiment, at least two contact receiving slots 102 are provided, and each contact receiving slot 102 is disposed at an interval along a slot wall of the male plug slot 101. It should be noted that one contact accommodating groove 102 accommodates one conductive contact piece 200, that is, the number of the contact accommodating grooves 102 is equal to the number of the conductive contact pieces 200. Through setting up each contact holding tank 102 along the last cell wall or lower cell wall interval of public first inserting groove 101, can avoid each contact holding tank 102 to be linked together to can avoid causing great negative effects to female end insulating housing 100 at the structural strength when public end electric connector and public first inserting groove 101 are pegged graft to cooperate because of seting up of contact holding tank 102, thereby need not to increase female end insulating housing 100 at the thickness of public first inserting groove 101 periphery, do benefit to female end electric connector and tend to slim development.

The female-end electrical connector provided by the embodiment of the application is provided with the male connector plugging groove 101 on the female-end insulating housing 100 so that the male-end electrical connector can be plugged and matched with the male-end electrical connector, and the conductive contact piece 200 accommodated in the contact accommodating groove 102 is elastically contacted with the male-end electrical connector when the male-end electrical connector is plugged and matched with the male connector plugging groove 101 so as to establish an electrical connection relationship between the female-end electrical connector and the male-end electrical connector. Based on the setting of contact holding tank 102, can not cause great influence to female end insulating housing 100's intensity, and can hold electrically conductive contact piece 200, make electrically conductive contact piece 200 can not occupy the space of public end inserting groove 101 when public end electric connector pegs graft the cooperation with public end inserting groove 101, thereby can effectively compress the groove width size of public first inserting groove 101 on the basis of the structural strength of assurance female end insulating housing 100, the whole thickness of female end insulating housing 100 has been reduced to a certain extent, do benefit to female end electric connector and tend to slim development.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a female end electric connector for with public end electric connector electricity connection cooperation, including female end insulating housing and at least one be used for with public end electric connector contact is in order to realize the electrically conductive contact piece of electricity connection, female end insulating housing sets up in its leading flank along the fore-and-aft direction extension set up and be used for with public end electric connector grafting complex public first inserting groove, its characterized in that, female end insulating housing still in the cell wall of public first inserting groove sets up at least one and is used for settling the contact holding tank of electrically conductive contact piece, electrically conductive contact piece has elasticity to can lean out under the effect of its elastic restoring force the notch setting of contact holding tank, and receive when receiving public end electric connector extrudees in the contact holding tank.

2. The female-end electrical connector of claim 1, wherein the female-end insulating housing further comprises a contact limiting groove formed on a wall of the contact accommodating groove facing away from the male connector insertion groove for limiting the conductive contact piece from moving up and down, and a groove width of the contact limiting groove is greater than a groove width of the contact accommodating groove.

3. The female-end electrical connector according to claim 2, wherein the conductive contact piece includes a position-limiting structure engaging with the contact position-limiting groove in a position-limiting manner, a contact structure connected to a front end of the position-limiting structure and capable of elastically deforming under an external force, and an electrical connection structure connected to a rear end of the position-limiting structure, the contact structure is accommodated in the contact accommodating groove and protrudes out of a notch of the contact accommodating groove under an elastic restoring force thereof, and the female-end insulating housing further includes an electrical connection hole for the electrical connection structure to protrude out to achieve electrical connection on a rear groove wall of the contact accommodating groove or the contact position-limiting groove.

4. The female electrical connector as claimed in claim 3, wherein the contact structure comprises an elastic contact portion and a deformable contact portion, the elastic contact portion is configured to elastically contact the male electrical connector when the male electrical connector is plugged into the male plug slot, and the deformable contact portion is configured to elastically contact the position-limiting structure when the elastic contact portion is elastically deformed.

5. The female electrical connector as claimed in claim 4, wherein the elastic abutting portion extends downward and rearward relative to the position-limiting structure, and the deformable abutting portion extends upward and forward relative to the elastic abutting portion.

6. The female electrical connector according to claim 3, wherein the limiting structure comprises a limiting body and limiting blocks connected to two sides of the limiting body and extending outwards, and the limiting blocks are used for limiting and matching with the contact limiting grooves.

7. The female electrical connector as claimed in claim 1, further comprising two female securing tabs disposed on opposite sides of said female insulative housing for securing said female insulative housing.

8. The female electrical connector according to claim 7, wherein the female insulating housing has a fixing receiving groove formed on a front side thereof for receiving the female fixing piece, the female insulating housing has a clamping structure disposed in the fixing receiving groove, and the female fixing piece has a clamping groove formed thereon for clamping with the clamping structure when the female insulating housing is received in the fixing receiving groove.

9. The female electrical connector as claimed in claim 8, wherein when said female fixing piece is received in said fixing receiving groove, a lower side surface of said female fixing piece is flush with a lower side surface of said female insulating housing.

10. The female electrical connector of claim 1 wherein said contact receiving slots are provided in at least two, each of said contact receiving slots being spaced along a wall of said male plug slot.

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