CN216488708U - Electrical connector with improved contact arrangement - Google Patents

Abstract

The utility model relates to an electric connector, which comprises an insulating body, wherein the insulating body consists of an insulating shell and a fixed seat connected with the insulating shell, and a containing groove is formed in the insulating shell; the fixing seat is provided with at least one connecting column which can be inserted into the accommodating groove; this electric connector is provided with at least one spliced pole on the fixing base to correspond on insulating casing and set up the storage tank of pegging graft spliced pole, through pegging graft the spliced pole in the storage tank, realize fixing base and insulating casing detachably and be connected as an organic whole, can avoid fixing base and insulating casing to produce the condition emergence that becomes flexible even drops in long-term use, show the data transmission performance and the life who improves electric connector.

Description

Electrical connector with improved contact arrangement

Technical Field

The utility model relates to the technical field of connectors, in particular to an electric connector.

Background

With the continuous development of communication technology, the connector, as a main adaptor for transmitting electrical signals in various electronic products, includes a GND terminal (ground terminal), a VBUS terminal (power terminal), and a signal terminal, and the TYPE C electrical connector, as a connector capable of realizing positive and negative insertion, is widely applied to electronic terminal devices, such as mobile phones, computers, ipads, and the like. Because the connection between fixing base and the insulating casing is realized through the trip spare and the insulating casing butt that are fixed in on the fixing base, electric connector is in long-term use, and easy production is become flexible between fixing base and the insulating casing even drops, seriously influences electric connector's data transmission performance and life.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need to provide an electrical connector that is suitable for the problem that the fixing base and the insulating housing of the electrical connector are easily loosened or even fall off.

An electrical connector, comprising:

the insulation body comprises an insulation shell and a fixed seat connected with the insulation shell, wherein a containing groove is formed in the insulation shell, at least one connecting column is arranged on the fixed seat, and the connecting column can be inserted in the containing groove.

Above-mentioned electric connector is provided with at least one spliced pole on the fixing base to correspond on insulating casing and set up the storage tank that can peg graft the spliced pole, through pegging graft the spliced pole in the storage tank, realize fixing base and insulating casing detachably and be connected as an organic whole, can avoid fixing base and insulating casing to produce the condition emergence that becomes flexible even drops in long-term use, show the data transmission performance and the life who improves electric connector.

In one embodiment, the number of the connecting columns is two, the connecting columns are arranged on the fixing seat at intervals, and the accommodating grooves capable of being inserted into the two connecting columns are correspondingly formed in the insulating shell.

In one embodiment, the cross section of the connecting column is one of a quadrangle, a hexagon and an octagon, and the inner contour of the accommodating groove is matched with the cross section of the connecting column.

In one embodiment, the connector further comprises a terminal group fixed on the fixing seat, and the connecting column is plugged in a gap of the terminal group.

In one embodiment, the terminal group includes a ground terminal, a signal terminal and a power terminal, the ground terminal, the signal terminal and the power terminal are all fixed on the fixing base, the ground terminal extends from two sides of the inner wall close to the insulating housing to form first contact portions, and the connecting column is located between the first contact portions.

In one embodiment, the fixing seat has a protruding portion extending toward a direction close to the insulating housing, the protruding portion is wrapped on the signal terminal, and the insulating housing is provided with a through groove matched with the protruding portion.

In one embodiment, the clamping device further comprises a clamping hook piece, the clamping hook piece comprises a connecting part and a contact part connected with the connecting part, and the contact part is embedded in the insulating shell and is abutted against the inner wall of the insulating shell.

In one embodiment, the device further comprises a shielding shell, wherein the shielding shell is sleeved on the insulating shell;

the fixing seat is provided with a positioning groove, the clamping hook piece is bent upwards to form an elastic arm, when the elastic arm is clamped in the positioning groove, the clamping hook piece can be contacted with the grounding terminal, and the elastic arm can be contacted with the shielding shell.

In one embodiment, the fixing base is provided with a first pad, a second pad and a third pad, the signal terminal extends to form a plurality of second contact portions, the power terminal extends to form a third contact portion, the first contact portions are all welded to the first pad, the second contact portions are all welded to the second pad, and the third contact portions are all welded to the third pad.

In one embodiment, the insulating housing is made of one of plastic, silicone, and latex.

Drawings

Fig. 1 is an exploded view of an electrical connector provided by the present invention;

FIG. 2 is a schematic view of the insulation housing and the shielding housing provided in the present invention after partially cut away;

FIG. 3 is a schematic structural diagram of an electrical connector according to the present invention;

FIG. 4 is a sectional view of the structure taken along line A-A in FIG. 3;

fig. 5 is a schematic structural diagram of a signal terminal provided by the present invention.

Reference numerals

100. An electrical connector;

110. an insulating body; 111. an insulating housing; 112. a fixed seat; 113. a containing groove; 114. positioning a groove; 115. a first pad; 116. a second pad; 117. a third pad; 118. a through groove; 119. a protrusion;

120. connecting columns;

130. a terminal group; 131. a ground terminal; 132. a signal terminal; 133. a power supply terminal; 134. a first contact portion; 135. a second contact portion; 136. a third contact portion;

1321. an A5 terminal; 1322. an A6 terminal; 1323. an A7 terminal; 1324. a B5 terminal;

140. a hook member; 141. a connecting portion; 142. a contact portion; 143. a spring arm;

150. a shielding housing.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical scheme provided by the embodiment of the utility model is described below by combining the accompanying drawings.

As shown in fig. 1 and fig. 2, the present invention provides an electrical connector 100 for data transmission of the electrical connector 100, the electrical connector 100 includes an insulating body 110, wherein:

the insulation body 110 includes an insulation housing 111 and a fixing seat 112, the insulation housing 111 is connected to the fixing seat 112, a receiving groove 113 is formed in the insulation housing 111, at least one connection column 120 is disposed on the fixing seat 112, and the connection column 120 is inserted into the receiving groove 113. The insulating housing 111 may be integrally formed by injection molding, blow molding, extrusion, or the like, and the receiving groove 113 may be integrally formed with the insulating housing 111, or may be formed by opening the insulating housing 111 with an auxiliary tool; the fixing base 112 may be integrally formed by injection molding, blow molding, extrusion, etc. The specific forming manner of the insulating housing 111 and the fixing base 112 is not limited in the present invention.

It should be noted that, when the material of the connecting column 120 is the same as that of the fixing base 112, the connecting column 120 may be integrally formed with the fixing base 112 by injection molding, blow molding, extrusion, or detachably connected with the fixing base 112 by screwing, riveting, or the like; when the material of the connecting column 120 is different from that of the fixing base 112, the connecting column 120 can be detachably connected with the fixing base 112 as a whole by screwing, riveting, etc. The present invention is not limited to the specific connection form of the connection column 120 and the fixing base 112, and only needs to satisfy that the connection column 120 and the fixing base 112 can be connected into a whole. It should be noted that, when there are a plurality of connection posts 120, the connection posts 120 are distributed on the fixing base 112 at intervals, so as to better share the stress applied to the connection posts 120 by the insulating housing 111, and to better support the connection of the insulating housing 111.

In the electrical connector 100, the fixing base 112 is provided with the at least one connecting column 120, the insulating housing 111 is correspondingly provided with the accommodating groove 113 capable of being plugged with the connecting column 120, the connecting column 120 is plugged into the accommodating groove 113, so that the fixing base 112 and the insulating housing 111 are detachably connected into a whole, the situation that the fixing base 112 and the insulating housing 111 are loosened or even fall off in the long-term use process can be avoided, and the data transmission performance and the service life of the electrical connector 100 are obviously improved.

In order to further avoid the situation that the fixing base 112 and the insulating housing 111 are loosened or even fall off during long-term use, in a preferred embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the electrical connector 100 has two connecting posts 120, the two connecting posts 120 are spaced apart from each other on the fixing base 112, and the insulating housing 111 is correspondingly provided with a receiving groove 113 for receiving the two connecting posts 120. The two connecting posts 120 are arranged at intervals, so that the insulating shell 111 can be better supported, the stress applied to the connecting posts 120 by the insulating shell 111 is prevented from being too concentrated, and in the long-term use process, the connecting posts 120 are easy to break, so that the insulating shell 111 and the fixing seat 112 are loosened or even fall off, and the data transmission performance and the service life of the electric connector 100 are seriously affected.

It should be noted that, in order to increase the connection reliability between the insulating housing 111 and the fixing base 112, in other embodiments, as shown in fig. 2, fig. 3 and fig. 4, the connection reliability between the insulating housing 111 and the fixing base 112 may also be improved by increasing the length of the connection post 120 extending into the receiving groove 113, and the length of the connection post 120 extending into the receiving groove 113 may be specifically set according to actual requirements, which is not limited in the utility model.

In order to further improve the data transmission performance and the service life of the electrical connector 100, in a preferred embodiment, the cross section of the connection post 120 is one of a quadrangle, a hexagon, and an octagon, and the inside of the insulating housing 111 is correspondingly provided with a receiving groove 113 for receiving two connection posts 120. When the connection post 120 is inserted into the receiving groove 113, the insulation housing 111 is prevented from shaking in the circumferential direction of the connection post 120, the connection reliability between the insulation housing 111 and the fixing seat 112 is improved, the abrasion of the insulation housing 111 to the connection post 120 is reduced, and the data transmission performance and the service life of the electrical connector 100 are improved.

Of course, the cross section of the connecting column 120 is not limited to the quadrilateral, hexagonal or octagonal cross section in the above preferred embodiment, but may also be a triangle, other polygon or special-shaped cross section, as long as the connection reliability between the insulating housing 111 and the fixing base 112 is satisfied.

In order to further protect the electrical connector 100, in a preferred embodiment, as shown in fig. 1, the electrical connector 100 further includes a terminal set 130, the terminal set 130 is fixed on the fixing base 112, and the connection posts 120 are inserted into gaps of the terminal set 130, when the gaps of the terminal set 130 are smaller, the number of the connection posts 120 can be set smaller, and when the gaps of the terminal set 130 are larger, the number of the connection posts 120 can be set larger. It should be noted that, the terminal group 130 and the fixing base 112 are integrally formed by injection molding, blow molding, extrusion, etc. to avoid a gap between the terminal group 130 and the fixing base 112, so that in the manufacturing and using processes of the electrical connector 100, liquids such as body fluid, rain water, oil stains, etc. are prevented from inadvertently flowing into the electrical conductor through the gap between the terminal group 130 and the fixing base 112 to cause the failure of the electrical connector 100, and the electrical connector 100 can be effectively protected.

The terminal group 130 includes a ground terminal 131, a signal terminal 132 and a power terminal 133, and the ground terminal 131, the signal terminal 132 and the power terminal 133 are all fixed on the fixing base 112 by welding, so as to realize electrical conduction to external electrical components for data transmission.

It should be noted that the fixing base 112 is provided with a first pad 115, a second pad 116 and a third pad 117, the ground terminal 131 extends to form a first contact portion 134, the signal terminal 132 extends to form a plurality of second contact portions 135, the power terminal 133 extends to form a third contact portion 136, the first contact portions 134 are all welded to the first pad 115, the second contact portions 135 are all welded to the second pad 116, and the third contact portions 136 are all welded to the third pad 117, so as to achieve electrical conduction to external electrical components for data transmission. It is worth noting that the first contact portions 134 are respectively arranged on two sides of the inner wall close to the insulating housing 111, and the connecting column 120 is located between the two first contact portions 134 which are oppositely arranged, so that the distance between the force arms of the connecting columns 120 which are arranged at intervals is large, and the stress applied to the connecting column 120 by the insulating housing 111 can be better born. And the terminal group 130 and the fixing base 112 are integrally formed, so that liquid such as body fluid, rain water, oil stain and the like is prevented from inadvertently flowing onto the first pad 115, the second pad 116 and the third pad 117 through a gap between the terminal group 130 and the fixing base 112, or flowing onto the first pad 115 and the second pad 116, or flowing onto the first pad 115 and the third pad 117, or flowing onto the second pad 116 and the third pad 117, so that corrosion and failure of the first pad 115, the second pad 116 and the third pad 117 are caused, and the electrical connector 100 can be effectively protected.

As shown in fig. 1 and fig. 5, the fixing base 112 has a protrusion 119 extending toward a direction close to the insulating housing 111, the insulating housing 111 has a through slot 118, and the protrusion 119 can be inserted into the through slot 118. The signal terminals 132 include a terminal 1321 of a5, a6, a 1322, a7, a 1323 of B5, and after the signal terminals 132 are integrally formed with the fixing base 112 by injection molding, blow molding, extrusion, etc., the connecting material between the signal terminals 132 and the second pads 116 is cut off by a jig, so that the terminal 1321 of a5 and the second pads 116 are welded into a whole, the terminal 1322 of a6 and the terminal 1323 of a7 are shorted and separated from the second pads 116, and the terminal 1324 of B5 is separated from the second pads 116. The protrusion 119 is covered on the signal terminal 132, that is, the protrusion 119 can be covered on the a5 terminal 1321, the a6 terminal 1322, the a7 terminal 1323 and the B5 terminal 1324, thereby improving the connection reliability between the signal terminal 132 and the fixed base 112. In the electrical connector 100, the a6 terminal 1322 can send out a charging signal, and the a7 terminal 1323 can instantly receive the charging signal and transmit the charging signal to the control system of the electrical connector 100, so that the control system recognizes charging and allows the electrical connector 100 to charge the external electrical components.

To further protect the electrical connector 100 and prolong the service life thereof, specifically, as shown in fig. 1, the insulating housing 111 is further opened with a through slot 118. And the first contact portion 134, the second contact portion 135 and the third contact portion 136 all extend into the through slot 118, so as to shield the electromagnetic signal from affecting the electrical connector 100, reduce the crosstalk effect between signals, and prevent the first contact portion 134, the second contact portion 135 and the third contact portion 136 from being directly exposed to the outside, which causes a greater safety risk, and after long-time use, the terminal group 130 is directly exposed to the outside and damaged, which results in the failure of the terminal group 130, thereby protecting the electrical connector 100.

In order to further prolong the service life of the electrical connector 100, in a preferred embodiment, as shown in fig. 1, the electrical connector 100 further includes a hook member 140, the hook member 140 includes a connecting portion 141 and a contact portion 142, the contact portion 142 is connected to the connecting portion 141, the contact portion 142 is embedded in the insulating housing 111, and the contact portion 142 abuts against the inner wall of the insulating housing 111, so as to share the stress applied to the connecting post 120 by the insulating housing 111, avoid the connecting post 120 from breaking due to too concentrated stress, and effectively prolong the service life of the connecting post 120.

In order to further improve the data transmission performance and the service life of the electrical connector 100, specifically, as shown in fig. 1, a positioning groove 114 is formed on the fixing base 112, and the positioning groove 114 may be formed integrally with the fixing base 112 through injection molding, blow molding, extrusion, or the like, or may be formed by additionally forming an auxiliary tool after the fixing base 112 is formed. The electric connector 100 further comprises a shielding shell 150, the shielding shell 150 is sleeved on the insulating shell 111, the hook 140 is bent upwards to form an elastic arm 143, when the elastic arm 143 is clamped in the positioning groove 114, the hook 140 can be in contact with the grounding terminal 131, the elastic arm 143 can be in short circuit with the shielding shell 150, the grounding terminal 131 and the shielding shell 150 are in short circuit, the influence of electromagnetic signals on the electric connector 100 is shielded, the crosstalk effect between the signals is weakened, and the data transmission performance of the electric connector 100 is effectively improved. It should be noted that the shielding shell 150 has conductivity, and specifically may be made of conductive materials such as iron and copper, and the shielding shell 150 is sleeved on the surface of the insulating shell 111, so as to effectively protect the internal components of the electrical connector 100 and effectively prolong the service life of the electrical connector 100.

It should be noted that, in a preferred embodiment, the insulating housing 111 is one of plastic, silicone, and latex, and at this time, when at least a part of the connecting column 120 or at least a part of the terminal group 130 extends into the through slot 118, the insulating housing 111 is in flexible contact, so that the connecting column 120 and the terminal group 130 can be effectively protected, the connecting column 120 and the terminal group 130 are prevented from being in hard contact with the insulating housing 111, the wear rate of the connecting column 120 and the terminal group 130 is high, and the service lives of the connecting column 120 and the terminal group 130 are effectively prolonged. Of course, the insulating housing 111 is not limited to the three materials provided above, and may also be ceramic, mixed insulating material, etc., and the specific material of the insulating housing 111 is not limited in the present invention, and only the insulating housing 111 has insulation.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. An electrical connector, comprising:

the insulating body comprises an insulating shell and a fixing seat connected with the insulating shell, wherein a containing groove is formed in the insulating shell, at least one connecting column is arranged on the fixing seat and can be inserted into the containing groove, the cross section of the connecting column is one of quadrangle, hexagon and octagon, and the inner contour of the containing groove is matched with the cross section of the connecting column.

2. The electrical connector of claim 1, wherein two of the connection posts are spaced apart from each other on the fixing base, and the insulating housing has a corresponding receiving slot formed therein for receiving the two connection posts.

3. The electrical connector of claim 1, further comprising a terminal set fixed on the fixing base, wherein the connecting column is inserted into a gap of the terminal set.

4. The electrical connector of claim 3, wherein the terminal set includes a ground terminal, a signal terminal and a power terminal, the ground terminal, the signal terminal and the power terminal are fixed on the fixing base, the ground terminal has first contact portions extending from two sides of an inner wall of the insulating housing, and the connection post is located between the first contact portions.

5. The electrical connector of claim 4, wherein the fixing base has a protrusion extending toward a direction close to the insulating housing, the protrusion is wrapped on the signal terminal, and the insulating housing has a through slot engaged with the protrusion.

6. The electrical connector of claim 4, further comprising a hook member, wherein the hook member comprises a connecting portion and a contact portion connected to the connecting portion, and the contact portion is embedded in the insulating housing and abuts against an inner wall of the insulating housing.

7. The electrical connector of claim 6, further comprising a shield housing disposed over the dielectric housing;

the fixing seat is provided with a positioning groove, the clamping hook piece is bent upwards to form an elastic arm, when the elastic arm is clamped in the positioning groove, the clamping hook piece can be contacted with the grounding terminal, and the elastic arm can be contacted with the shielding shell.

8. The electrical connector of claim 4, wherein the fixing base has a first pad, a second pad and a third pad, the signal terminal has a plurality of second contact portions extending therefrom, the power terminal has a third contact portion extending therefrom, the first contact portions are all soldered to the first pad, the second contact portions are all soldered to the second pad, and the third contact portions are all soldered to the third pad.

9. The electrical connector of claim 1, wherein the connecting post is integrally formed with the anchor block.

10. The electrical connector of claim 1, wherein the insulative housing is one of plastic, silicone, and latex.

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