TWI711232B - Electrical connector - Google Patents

Abstract

An electrical connector is provided, using the first and second lap terminals respectively lap the floating body on both sides of the relative and the insulator on the first and second fixed terminal, in order to make the first and second fixed terminals respectively electrically connected to the socket in the floating body, and make the first and second connecting terminals respectively by the floating body traction elastic deformation, and provide the floating body along the X axis direction and/or the Y direction relative to the insulator, and by bounding box by limiting the movement of the floating body relative to the insulator.

Description

Electrical connector

This application relates to an electrical connector, more specifically, refers to a floating electrical connector.

When the printed circuit board in electronic equipment receives or transmits the output power of the signal, it needs to be connected to the outside of the substrate. In many cases, there is a certain distance between the printed circuit board and the substrate, which requires wires to connect. The connection can be achieved by soldering wires to the substrate, but for functional considerations, the industry usually uses wire-to-board (WTB) connectors for connection.

At present, this kind of connector requires the position of the wire and the circuit board to be completely corresponding to realize the signal connection between the two. If the relative position of the contact between the wire and the circuit board is deviated, the connector cannot be connected normally and may Causes damage or deformation of its contacts.

In view of this, how to overcome the above technical problems is the technical problem to be solved in this case.

In view of the above-mentioned shortcomings of the prior art, this application provides an electrical connector including: an insulator; a floating body, a first fixed terminal, a second fixed terminal, a first connecting terminal, a second connecting terminal, and A limit frame, opposite sides of the floating body have a first clamping structure and A second clamping structure, and the floating body is also recessed with an insertion slot; the first fixed terminal is combined with the insulator, and has a first fixed structure exposed to the insulator; the second fixed terminal is combined with the The insulator has a second fixing structure exposed outside the insulator; the first connecting terminal has a first elastic structure, a first fixing end, a first clamping end and a first electrical contact, the The first fixing end is electrically connected to the first fixing structure, and the first clamping end is clamping to the first clamping structure, so that the first electrical contact is exposed to the insertion slot; the second connection The terminal has a second elastic structure, a second fixing end, a second clamping end, and a second electrical contact. The second fixing end is electrically connected to the second fixing structure, and the second clamping The connecting end is clamped to the second clamping structure, so that the second electrical contact is exposed to the socket; the limit frame is respectively connected to the first fixing structure and the second fixing structure, so that the first fixing structure A fixed end is limited to the first fixed structure, so that the first connecting terminal cannot be separated from the first fixed terminal along a Z-axis direction, and the second fixed end is limited to the second fixed structure to allow The second connecting terminal cannot be separated from the second fixed terminal along the Z-axis direction, and the limit frame has a restricting wall; wherein, the first elastic structure and the second elastic structure have to be pulled by the floating body Respectively elastically deform so that the first clamping end and the second clamping end move relative to the first fixed end and the second fixed end, so that the floating body is along an X-axis direction and/or a Y-axis The direction moves relative to the insulator, and the restriction wall restricts the movement stroke of the floating body in the X-axis direction and/or the Y-axis direction relative to the insulator.

Optionally, the first elastic structure and the second elastic structure have a U-shaped cross section.

Optionally, the limit frame further has a limit frame recessed space, the limit frame recessed space is provided for accommodating the floating body so that the floating body can move therein, and the limiting wall is arranged to form the limit frame recess The wall surface of the space allows the inner size of the recessed space of the limit frame to define the moving stroke of the floating body relative to the insulator.

Optionally, the floating system extends outwards with a first shielding cap and a second shielding cap. The first shielding cap is located above the first elastic structure to provide shielding to the first elastic structure, and the second The shielding cap is located above the second elastic structure to provide shielding for the second elastic structure.

Optionally, a first deformation space is provided below the first shielding cap, and the first deformation space provides the first elastic structure to elastically deform therein; and a second deformation space is provided below the second shielding cap The second deformation space provides the second elastic structure for elastic deformation therein.

Optionally, the limit frame has a first joint hole and a second joint hole, the first fixing structure is interfering with the limit frame in the first joint hole, and the second fixing structure is connected to the first joint hole. Interference with the limit frame in the two joint holes.

Optionally, the insulation system has an engaging structure, and the engaging structure is engaged with the limit frame.

Optionally, the engaging structure includes a plurality of L-shaped protrusions, and the plurality of L-shaped protrusions are respectively arranged at positions corresponding to the four corners of the limit frame.

Optionally, the floating system has a wing, and the limit frame is located above the wing, so that the limit frame is used to stop the wing at a predetermined position to limit the floating body on the Z axis. The direction is relative to the travel of the insulator.

Optionally, the first fixed end has a first elastic arm, and the first elastic arm elastically abuts against the first fixed structure, so that the first fixed end electrically overlaps the first fixed structure; the The second fixed end has a second elastic arm, and the second elastic arm elastically abuts against the second fixed structure, so that the second fixed end is electrically overlapped with the second fixed structure.

Compared with the prior art, the electrical connector provided by the present application connects the first and second fixed terminals on the floating body and the insulator respectively by providing the first and second connecting terminals with elastic structures. So that the first and second fixed terminals are electrically connected with the insertion grooves in the floating body, and the elastic structure on the connecting terminal is pulled by the floating body to produce elastic deformation, so that the floating body can move along the X-axis direction and/ Or the Y-axis direction moves relative to the insulator, and a limit frame is set to limit the movement of the floating body relative to the insulator, so as to effectively solve the problem of poor electrical connection between the wire and the circuit board due to inaccurate alignment. And has the advantages of compact structure and small size.

1: Electrical connector

11: Insulator

111: Snap structure

12: Floating body

121: The first card connection structure

122: second card connection structure

123: socket

124: First Masking Cap

1241: First Deformation Space

125: second masking cap

1251: Second Deformation Space

126: Wing

13: The first fixed terminal

131: The first fixed structure

14: second fixed terminal

141: Second fixed structure

15: The first connection terminal

151: The first elastic structure

152: first fixed end

153: The first card connector

154: The first electrical contact

155: First Elastic Arm

16: The second connection terminal

161: second elastic structure

162: second fixed end

163: second card connector

164: second electrical contact

165: Second Elastic Arm

17: limit frame

17a: Part of the limit frame

171: Restriction Wall

172: Recessed space of limit frame

173: first joint hole

174: second joint hole

2: Other electronic components

21: Connector

Figures 1A to 1C are schematic diagrams of the overall structure of the electrical connector of the present application, wherein Figure 1A is a schematic diagram showing the disassembled state of the electrical connector; Figure 1B and Figure 1C are schematic diagrams of the combined or partial combined state of the electrical connector, respectively; 2A to 2F are cross-sectional views showing different embodiments of the electrical connector of the present application; FIG. 3 is a schematic diagram showing the electrical connector of the present application electrically connected to other electronic components; and FIG. 4 is a diagram showing the electrical connector of the present application Schematic diagram of an embodiment of the engagement structure.

The following content will be combined with the drawings to illustrate the technical content of this application through specific specific embodiments. Those familiar with this technology can easily understand the other advantages and effects of this application from the content disclosed in this specification. This application can also be implemented or applied by other different specific embodiments. Various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the spirit of this application. In particular, the proportional relationship and relative positions of the various elements in the drawings are for exemplary purposes only, and do not represent the actual implementation of the application.

In addition, the same or similarly functional structures or elements in the following embodiments will be described with the same symbols, and descriptions of the same or equivalent technical features will be omitted to make the disclosed content more concise and easy to understand.

The electrical connector 1 provided by this application is mainly used to provide electrical docking between wires and circuit boards. As shown in Figures 1A and 1B, the electrical connector 1 of the present application mainly includes an insulator 11, a floating body 12, and a second A fixed terminal 13, a second fixed terminal 14, a first connecting terminal 15, a second connecting terminal 16, and a limit frame 17.

Please refer to FIG. 2A and FIG. 2D together, a first clamping structure 121 and a second clamping structure 122 are respectively provided on opposite sides of the floating body 12, and an insertion slot 123 is recessed in the floating body 12. Connector 21 for electrically connecting other electronic components 2 (as shown in Figure 3)

The first fixed terminal 13 is combined with the insulator 11 and has a first fixed structure 131 exposed on the insulator 11; the second fixed terminal 14 is combined with the insulator 11 and also has a second fixed structure 141 exposed on the insulator 11. As shown in FIG. 2C and FIG. 2D, in this embodiment, the first fixed terminal 13 and the second fixed terminal 14 can respectively pass through the insulator 11, and the first fixed structure 131 and the second fixed structure 141 are respectively protruding On the surface of the body of the insulator 11. However, it is not limited to this, and the first fixed terminal 13 and the second fixed terminal 14 may be combined to the body of the insulator 11 in other ways.

2A and 2B, the first connecting terminal 15 has a first elastic structure 151, a first fixed end 152, a first clamping end 153 and a first electrical contact 154, wherein the first A fixed end 152 is used to electrically overlap the first fixing structure 131 of the first fixed terminal 13, the first clamping end 153 is used to clamp the first clamping structure 121 of the floating body 12, and the first elastic structure 151 is connected to Between the first fixed end 152 and the first clamping end 153, and when the first clamping end 153 is clamped to the first clamping structure 121 of the floating body 12, the first electrical contact 154 is exposed to the socket 123 (As shown in Fig. 2B) to connect with the first connecting terminal 15 The first fixed terminal 13 and the floating body 12 are connected, and the first fixed terminal 13 is electrically connected to the insertion slot 123 in the floating body 12 through the exposed first electrical contact 154. The second connecting terminal 16 has a second elastic structure 161, a second fixed end 162, a second clamping end 163 and a second electrical contact 164, wherein the second fixed end 162 is electrically overlapped The second fixing structure 141 of the second fixed terminal 14, the second clamping end 163 is clamped to the second clamping structure 122 of the floating body 12, and the second elastic structure 161 is connected to the second fixing end 162 and the second clamping Between the ends 163, and when the second clamping end 163 is clamped to the second clamping structure 122 of the floating body 12, the second electrical contact 164 is exposed in the insertion slot 123 (as shown in FIG. 2B), The second fixed terminal 14 and the floating body 12 are connected by the second connecting terminal 16, and the second fixed terminal 14 is electrically connected to the socket 123 in the floating body 12 by the exposed second electrical contact 164 .

Please refer to FIGS. 2A and 2C together. In the embodiment of the present application, the first fixed end 152 has a first elastic arm 155. The first elastic arm 155 elastically abuts against the first fixed terminal 13 The fixing structure 131 can be electrically connected to the first fixing structure 131 by the first fixing end 152. Similarly, the second fixed end 162 also has a second elastic arm 165, and the second elastic arm 165 elastically abuts against the second fixed structure 141 of the second fixed terminal 14, so that the second fixed end 162 and the first A good electrical overlap is formed between the two fixing structures 141.

Furthermore, the first elastic structure 151 and the second elastic structure 161 each have a U-shaped cross-section to provide elastic deformation force, so that the first clamping end 153 and the second clamping end 163 are respectively opposite to the first fixed end 152 and the second fixed end 162 move. However, it is not limited to this, and the first elastic structure 151 and the second elastic structure 161 can also provide elastic deformation force through other design structures.

Please refer to FIGS. 2A to 2C. On opposite sides of the floating body 12, there are also a first shielding cap 124 and a second shielding cap 125 extending outward, wherein the first shielding cap 124 is disposed on the first elastic structure 151 is used to provide shielding to the first elastic structure 151; in addition, on the first shielding cap 124 A first deformation space 1241 is also formed under the, which can provide the first elastic structure 151 to elastically deform in the first deformation space 1241. The second shielding cap 125 is located above the second elastic structure 161 to provide shielding for the second elastic structure 161. At the same time, a second deformation space 1251 is also formed under the second shielding cap 125 to provide a second elastic structure 161 is elastically deformed in the second deformation space 1251. The design of the first shielding cap 124 and the second shielding cap 125 can provide a restriction on the elastic deformation of the first elastic structure 151 and the second elastic structure 161, so as to prevent the first elastic structure 151 and the second elastic structure 161 from being pulled by an external force. A situation in which excessive deformation results in damage.

As shown in FIGS. 2C and 2D, opposite sides of the limit frame 17 are connected to the first fixing structure 131 of the first fixed terminal 13 and the second fixing structure 141 of the second fixed terminal 14, respectively. The frame 17 is fixed on the insulator 11, and the first fixed end 152 of the first connecting terminal 15 can be confined to the first fixing structure 131 at the same time, so as to prevent the first connecting terminal 15 from being separated from the first fixing structure along the Z axis. The terminal 13 is fixed, and the second fixed end 162 of the second connecting terminal 16 can be confined to the second fixing structure 141 to prevent the second connecting terminal 16 from being separated from the second fixed terminal 14 along the Z-axis direction, thereby ensuring the first A stable overlap effect can be maintained between the connecting terminal 15 and the first fixed terminal 13 and between the second connecting terminal 16 and the second fixed terminal 14.

Furthermore, as shown in FIGS. 2C and 2E, the limiting frame 17 further has a first engaging hole 173 and a second engaging hole 174, wherein the first fixing structure 131 is interfering with the limiting frame in the first engaging hole 173 The second fixing structure 141 interferes with the limiting frame 17 in the second engaging hole 174, so that the limiting frame 17 is fixedly engaged with the first fixing structure 131 and the second fixing structure 141, respectively.

Preferably, an engaging structure 111 (as shown in FIG. 4) may be further provided on the insulator 11, so that the engaging structure 111 and the limit frame 17 are mutually engaged, so that the limit frame 17 is fixed to the insulator 11 Above, in this embodiment, the engaging structure 111 includes a plurality of L-shaped protrusions formed on the insulator 11, each L-shaped The protrusions are respectively arranged at positions corresponding to the four corners of the limit frame 17 to engage with the four corners of the limit frame 17 (as shown in Figure 2D and Figure 2F), by means of the engaging structure The design of 111 can assist in sharing the stress borne by the first fixing structure 131 and the second fixing structure 141, thereby prolonging the service life of the first fixing structure 131 and the second fixing structure 141, and at the same time enhancing the fixing of the limit frame 17 effect.

In addition, the limit frame 17 also has a limit wall 171 which can be used to limit the moving stroke of the floating body 12.

Specifically, the first elastic structure 151 of the first connecting terminal 15 and the second elastic structure 161 of the second connecting terminal 16 are pulled by the floating body 12 to be respectively elastically deformed for the first engaging end 153 and the second The two clamping ends 163 have to move relative to the first fixed end 152 and the second fixed end 162 respectively, so as to provide the floating body 12 to move relative to the insulator 11 along an X-axis direction and/or a Y-axis direction. At the same time, the restriction wall 171 of the limit frame 17 restricts the movement stroke of the floating body 12 relative to the insulator 11 in the X-axis direction and/or the Y-axis direction.

As shown in FIG. 1B and FIG. 1C, a limit frame recessed space 172 is formed in the limit frame 17, and the floating body 12 is provided in the limit frame recessed space 172 to accommodate the floating body 12 Move in the limit frame recessed space 172, wherein the limit wall 171 is disposed on the wall surface forming the limit frame recessed space 172, and is used to define the inner size of the limit frame recessed space 172, thereby limiting the floating body 12 relative to the insulator 11 The moving stroke. In the present application, the moving strokes of the floating body 12 relative to the insulator 11 in the X-axis direction and the Y-axis direction are both designed to be 0.5 mm, however, it is not limited thereto.

In addition, as shown in FIG. 1C and FIG. 2F, the first elastic structure 151 and the second elastic structure 161 of the present application may not only provide the floating body 12 to move relative to the insulator 11 along the X-axis direction and/or the Y-axis direction, but also provide The floating body 12 moves relative to the insulator 11 along the Z-axis direction. In another embodiment, a wing 126 is formed on the floating body 12 (as shown in FIG. 1C and FIG. 2F). When the limit frame 17 is fixed on the insulator When 11 is up, a part 17a of the limit frame is located above the wing 126 of the floating body 12. This part of the limit frame 17 provides a stop for the wing 126 at a predetermined position, thereby restricting the floating body 12 The Z-axis direction is relative to the movement stroke of the insulator 11.

In summary, the electrical connector of the present application is provided with deformable first connecting terminals and second connecting terminals, so that the floating body and the first fixed terminal and the second fixed terminal arranged on the insulator form an electrical connection. It also provides the floating body to move relative to the insulator in the X-axis, Y-axis and/or Z-axis directions to effectively solve the problem of poor electrical docking caused by inaccurate alignment between the wire and the circuit board. . At the same time, the limit frame is designed to limit the movement stroke of the floating body relative to the insulator in the X-axis direction, Y-axis direction and/or Z-axis direction, so as to avoid excessive deformation of the first connecting terminal and the second connecting terminal. The problem that caused the damage.

1: Electrical connector

11: Insulator

12: Floating body

121: The first card connection structure

122: second card connection structure

123: socket

13: The first fixed terminal

131: The first fixed structure

14: second fixed terminal

141: Second fixed structure

15: The first connection terminal

16: The second connection terminal

17: limit frame

Claims (9)

An electrical connector includes: an insulator; a floating body. The floating body has a first clamping structure and a second clamping structure on opposite sides of the floating body, and the floating body is also recessed with an insertion groove; A fixed terminal, the first fixed terminal is combined with the insulator, and has a first fixed structure exposed to the insulator; a second fixed terminal, the second fixed terminal is combined with the insulator, and has an exposed to the insulator A second fixing structure; a first connecting terminal, the first connecting terminal has a first elastic structure, a first fixing end, a first clamping end and a first electrical contact, the first fixing The end is electrically overlapped with the first fixing structure, and the first clamping end is clamped to the first clamping structure, so that the first electrical contact is exposed to the insertion slot; a second connecting terminal, the The second connecting terminal has a second elastic structure, a second fixing end, a second clamping end, and a second electrical contact. The second fixing end is electrically connected to the second fixing structure. The second clamping end is clamping the second clamping structure so that the second electrical contact is exposed in the insertion slot; and a limit frame, the limit frame has a limit wall; wherein, the first An elastic structure and the second elastic structure are to be pulled by the floating body to be respectively elastically deformed, so that the first clamping end and the second clamping end are opposite to the first fixed end and the second fixed end, respectively Move to allow the floating body to move relative to the insulator along an X-axis direction and/or a Y-axis direction, and the restriction wall restricts the floating body relative to the insulator in the X-axis direction and/or the Y-axis direction Moving stroke The first fixing structure is inserted into the first fixing end to position the first connecting terminal in the X-axis direction and the Y-axis direction, and the first fixing structure is also inserted into the limit frame to allow the The limit frame positions the second connecting terminal in the Z-axis direction; the second fixing structure is inserted into the second fixed end to position the second connecting terminal in the X-axis direction and the Y-axis direction, and the first The two fixing structures are also inserted into the limit frame to position the second connecting terminal in the Z-axis direction by the limit frame; and the floating system has a wing part, and the limit frame is located above the wing part In order to limit the movement stroke of the floating body relative to the insulator in the Z-axis direction by the limit frame stopping the wing at a predetermined position. According to the electrical connector described in claim 1, wherein the first elastic structure and the second elastic structure have a U-shaped cross section. For the electrical connector described in item 1 of the scope of patent application, the limit frame further has a limit frame recessed space, and the limit frame recessed space is provided to accommodate the floating body so that the floating body can move therein, The limiting wall is arranged on the wall surface forming the recessed space of the limiting frame, so that the inner size of the recessed space of the limiting frame defines the moving stroke of the floating body relative to the insulator. The electrical connector according to the first item of the patent application, wherein the floating system extends outwards with a first shielding cap and a second shielding cap, and the first shielding cap is located above the first elastic structure. The first elastic structure is provided with shielding, and the second shielding cap is located above the second elastic structure to provide shielding for the second elastic structure. The electrical connector according to claim 1, wherein a first deformation space is provided below the first shielding cap, and the first deformation space provides the first elastic structure therein. Deformation; under the second shielding cap there is a second deformation space, the second deformation space provides the second elastic structure in which elastic deformation. According to the electrical connector described in claim 1, wherein the limit frame has a first engagement hole and a second engagement hole, and the first fixing structure interferes with the limit in the first engagement hole. A frame, the second fixing structure is in the second joint hole to interfere with the limit frame. The electrical connector described in item 6 of the scope of patent application, wherein the insulation system has a locking structure, and the locking structure is locked with the limit frame. The electrical connector described in item 7 of the scope of patent application, wherein the engaging structure includes a plurality of L-shaped protrusions, and the plurality of L-shaped protrusions are respectively arranged on the four sides of the corresponding limit frame The position of the corner. According to the electrical connector described in claim 1, wherein the first fixed end has a first elastic arm, and the first elastic arm elastically abuts against the first fixing structure to make the first fixed The end electrically overlaps the first fixing structure; the second fixed end has a second elastic arm, and the second elastic arm elastically abuts against the second fixing structure so that the second fixed end is electrically overlapped The second fixing structure; when the first fixing structure and the second fixing structure are respectively inserted into the limit frame, the limit frame abuts the first elastic arm, so that the first elastic arm is The elastic contact force of a fixed structure, and at the same time, the limit frame also abuts the second elastic arm, so as to generate an elastic contact force of the second elastic arm to the second fixed structure.

Images