TW201626664A - Machine case and electrical connector thereof - Google Patents

Abstract

An electrical connector for use within a machine case mating with a cradle includes an insulator and a plurality of contacts. The insulator defines opposite top and bottom surfaces thereon in a vertical direction. The contacts are retained to the insulator via an insert molding process. Each of said contacts is unitarily formed with an upper contacting section exposed upon the top surface, and a lower contacting sections exposed upon the bottom surface. Each of said upper contacting section and said lower contacting section defines a contacting face in line with said surfaces of said insulator. Said electrical connector is easy to manufacture and makes a reliable electrical and mechanical connection between the machine case and the cradle.

Description

Box and its electrical connector

This creation relates to a box and its electrical connector for use in a wearable medical device.

Wearable medical devices can help patients and clinicians monitor vital vital signs and symptoms, and as they enter the market, the field of wearable medical technology is becoming a hot area. The wearable medical device typically includes a case for housing the data processing module, a cable, and a bracket for connecting the case and the cable. In use, the casing is operatively embedded in the receiving cavity of the bracket and electrically connected to the bracket. The casing is assembled with the bracket to form a docking slot for the cable plug to be inserted, and the cable establishes an electrical connection between the external device of the sensor and the like and the bracket. The peripheral device transmits a series of physiological data such as heart rate, temperature, SpO2, blood pressure, heart rate, cardiac output, exercise, activity, body position, pulse rate, and respiratory rate to the box through the cable and the bracket, and The data is presented to the patient and the clinician by means of a display module housed inside the box. In order for the wearable medical device to work reliably and continuously, the case must be stably held in the carrier and establish a reliable electrical connection with the cable.

Therefore, it is necessary to provide an improved case and its electrical connector to establish a reliable electrical connection with the cable.

The present invention aims to provide a simple manufacturing body and an electrical connector thereof.

To achieve the above object, the electrical connector of the present invention comprises an insulative housing and a plurality of terminals; the insulative housing is provided with an upper surface and a lower surface, the terminal is integrally injection molded with the insulative housing, and the terminals are arranged in the left and right direction Forming a row; the terminal integrally extends with an upper contact portion and a lower contact portion, the upper contact portion having a contact surface exposed on an upper surface of the insulating body and flush with the upper surface, the lower contact portion having a bare exposed insulation a contact surface of the lower surface of the body and flush with the lower surface.

To achieve the object, the cartridge of the present invention includes a base extending in the front-rear direction and a first electrical connector and a second electrical connector fixed to the base; a rear end of the base is provided with a first platform. The front end of the base is provided with a second platform; the first electrical connector is mounted on the first platform and includes a first insulative housing and a plurality of first terminals arranged in a left-right direction, and the first insulative housing is provided An upper surface and a lower surface; the second electrical connector is mounted on the second platform and includes a second insulating body and a plurality of second terminals arranged along the left and right directions, and the second insulating body is provided with a relative An upper surface and a lower surface; the first terminal is integrally injection molded with the first insulating body, the second terminal is integrally injection molded with the second insulating body, and each of the first terminals is provided with the bare a flat first upper contact portion on the upper surface of the first insulative housing and a flat first lower contact portion exposed on the lower surface of the first insulative housing, each second terminal being provided with a flat plate exposed on the upper surface of the second insulative housing Second The second contact portion and a lower contact portion exposed to the lower surface of the second plate-shaped insulating body.

Compared with the prior art, the first electrical connector of the present invention is integrally injection-molded as an insert into the first platform, and the second electrical connector is integrally injection-molded and then integrally molded as an insert on the second platform. Simple, solid and stable.

The first figure is a perspective view of the box body of the first embodiment of the present invention;

The second drawing is a partially exploded view of the casing shown in the first figure;

The third figure is a schematic view of another angle of the box shown in the second figure;

Figure 4 is an exploded view of the two electrical connectors of the box shown in Figure 2;

Figure 5 is a schematic view of another angle of the two electrical connectors shown in the fourth figure;

Figure 6 is a cross-sectional view of an electrical connector shown in Figure 2;

Figure 7 is a cross-sectional view of another electrical connector shown in Figure 2;

Figure 8 is a cross-sectional view of the casing shown in Figure 1;

Figure 9 is a cross-sectional view showing the case in which the case shown in the first figure is connected to the bracket, wherein the bracket is connected to the cable;

Figure 11 is a perspective view showing the casing of the second embodiment of the present invention;

Figure 11 is a partially exploded view of the casing shown in Figure 11, wherein two electrical connectors are separated from the casing;

Figure 12 is an exploded view of an electrical connector of the casing shown in Figure 11;

Figure 13 is a schematic view of another angle of the electrical connector shown in Figure 12;

Figure 14 is a cross-sectional view showing an electrical connector of the casing shown in Figure 11;

Figure 15 is a perspective view showing the first terminal of the electrical connector shown in Figure 12, wherein the first upper contact portion and the first lower contact portion of the portion of the first terminal are offset from each other;

Figure 16 is a perspective view of the casing of the third embodiment of the present invention;

Figure 17 is a partially exploded view of the casing shown in Figure 16;

Figure 18 is a perspective view showing an electrical connector of the casing shown in Figure 17;

Figure 19 is a schematic view showing another angle of the electrical connector shown in Figure 18;

Figure 20 is an exploded view of the electrical connector shown in Figure 18;

Figure 21 is a perspective view showing another electrical connector of the casing shown in Figure 17;

Figure 22 is an exploded view of the electrical connector shown in Figure 21; and

Figure 23 is a cross-sectional view of the casing shown in Figure 16 taken along line XXIII-XXIII.

The present writing will be described in detail below in conjunction with the preferred embodiments.

The first embodiment of the present creation will be described in detail in conjunction with the first to ninth drawings. The case 100 includes a base 202 and electrical connectors 210, 220 mounted to the base 202 from above. The shape of the base 202 is similar to that of a boat having a curved bow and a square stern, with the bow in front and the stern behind. The lower indentation at the stern and the bow respectively forms a first platform 204 (square in this embodiment) and a second platform 206 (curved in this embodiment) of the base 202, that is, the base 202 is in front of it. The second platform 206 and the first platform 204 are respectively disposed at the rear ends. The electrical connector 210 is mounted on the first platform 204, and the electrical connector 220 is mounted on the second platform 206.

As shown in the fourth figure, the electrical connector 210 includes an elongated first insulating body 212 and a plurality of first terminals 214 fixed to the first insulating body 212 and arranged in the longitudinal direction. The first terminal 214 and the first insulating body 212 one-piece injection molding. In the present creation, the longitudinal direction coincides with the vertical direction of the vertical up and down and front and rear directions. The first terminal 214 integrally extends with the first upper contact portion 216 and the first lower contact portion 218. The first upper contact portion 216 has a contact surface exposed on the upper surface of the first insulative housing 212 , and the first lower contact portion 218 has a contact surface exposed on the lower surface of the first insulative housing 212 , the contact surface and the first insulative housing 212 . The surface is flush. The first upper contact portion 216 is formed at its end with a first exposed end 217, and the first lower contact portion 218 is formed at its end with a first embedded end 219. Similarly, the electrical connector 220 includes a second insulative housing 222 and a plurality of second terminals 224 that are disposed in the longitudinal direction of the second insulative housing 222. The second terminal 224 is integrally molded with the second insulative housing 222. . The second terminal 224 integrally extends with a second upper contact portion 226 and a second lower contact portion 228. The second upper contact portion 226 has a contact surface exposed on the upper surface of the second insulative housing 222 , and the second lower contact portion 228 has a contact surface exposed on the lower surface of the second insulative housing 222 , the contact surface and the second insulative housing 222 . The surface is flush. The second upper contact portion 226 is formed at its end with a second exposed end 229, and the second lower contact portion 228 is formed at its end with a second embedded end 227. In this embodiment, the first and second terminals 214 and 224 are substantially U-shaped and are respectively stamped and bent by a metal panel, thereby forming a first bent portion connecting the first upper and lower contact portions 216 and 218 and The second upper and lower contact portions 226 and 228 are connected to the second upper and lower contact portions 226 and 228, and the first upper and lower contact portions 216 and 228 are in a flat shape. The first upper and lower contact portions 216 and 218 are vertically disposed opposite to each other, and the first upper contact portion 216 is shorter in the front-rear direction than the first lower contact portion 218, and the second upper and lower contact portions 226 and 228 are vertically disposed opposite to each other. The length of the second upper contact portion 226 in the front-rear direction is shorter than the second lower contact portion 228; the left and right widths of the first bent portion are the same as the first upper and lower contact portions 216, 218, and the left and right widths of the second bent portion are second The upper and lower contact portions 226, 228 are the same. As seen from the top-bottom direction, the first upper and lower contact portions 216, 218 of the first terminal 214 are aligned, and the second upper and lower contact portions 226, 228 of the second terminal 224 are aligned; in the present embodiment, the electrical connector 210 The first upper contact portion 216 at the upper surface of the electrical connector 210 is composed of a first upper contact portion group, a second upper contact portion group and a third upper contact portion group, the first The second and third upper contact portions are arranged in order from left to right, and the two groups at the left and right ends are composed of four first upper contact portions 216, and the middle group is composed of eight first upper contact portions 216. The left and right pitches of any two adjacent first upper contact portions 216 in the group are the same, and the left and right pitches of any adjacent two sets of first upper contact portions 216 outside the group are the same. The left and right pitches of the adjacent two first upper contact portions 216 in the group are significantly smaller than the left and right pitches of the adjacent first two upper contact portions 216 outside the group. Since the first lower contact portion 218 at the lower surface of the electrical connector 210 is aligned with the next upper contact portion 216 at the upper surface, the arrangement of the first lower contact portion 218 is the same as that of the first upper contact portion 216. . The first bent portion and the second bent portion are respectively embedded and hidden in the first insulating body 212 and the second insulating body 222. It is easy to understand that before the electrical connectors 210, 220 are injection molded, the first exposed end 217 of the first terminal 214 and the second exposed end 229 of the second terminal 224 are connected to the tape for continuous automated production, and the material is The tape is cut after injection molding of the electrical connectors 210, 220.

The electrical connectors 210, 220 are all assembled into the base 202 from top to bottom and are respectively fixed on the first platform 204 and the second platform 206. The electrical connector 210 is formed with a pair of first through holes 211 at its longitudinal ends. The first platform 204 is formed with a pair of first protrusions 205 inserted into the first through holes 211 at corresponding positions, thereby electrically fixing the electrical connector 210. . The two first through holes 211 of the first connector 204 are different in size, and each of the first protrusions 205 is matched with the first through hole 211 at the corresponding position. And does not match another first through hole 211, thereby preventing the electrical connector 210 from being inserted by mistake. Similarly, the electrical connector 220 is formed with a pair of second through holes 221 at its longitudinal ends, and the second platform 206 is formed with a pair of second protrusions 207 inserted into the second through holes 221 at corresponding positions, thereby making the electrical connectors 220 interference fixed. The two second through holes 221 of the electrical connector 220 are different in size, and the two second protrusions 207 of the second platform 206 are different in size. Each of the second protrusions 207 is matched with the second through hole 221 at the corresponding position. And does not match with the other second through hole 221, thereby preventing the electrical connector 220 from being inserted by mistake. Preferably, the first insulative housing 212 is provided with a pair of stepped structures (not labeled) at its longitudinal ends, and the second insulative housing 222 is also disposed; the first platform 204 is in a pair of stepped structures with the first insulative housing 212. The corresponding position is provided with a pair of shoulders (not labeled) to fit each other, and the second platform 206 is provided with a pair of shoulders (not labeled) at positions corresponding to the pair of stepped structures of the second insulative housing 222 to be fitted to each other.

As shown in the third and eighth figures, the first platform 204 is provided with a plurality of through slots 201 arranged along the longitudinal direction to correspond to the next one of the first terminals 214; similarly, the second platform 206 is vertically elongated. The plurality of through slots 203 aligned in the direction correspond to the next one of the second terminals 224.

As shown in the ninth figure, in actual application, the casing 100 is placed downward into the bracket 200, and the mating terminal 302 of the terminal module 303 of the bracket 200 enters the through slot 201 of the first platform 204 and is opposite to the casing 100. The lower contact portion 218 makes contact, whereby the case 100 is electrically connected to the cable 400 assembled at one end of the bracket 200. Similarly, the mating terminal of the other terminal module (not numbered) of the bracket 200 enters the through slot 203 of the second platform 206 and comes into contact with the second lower contact portion 228 of the case 100, whereby the case 100 and the assembly The cable (not labeled) at the other end of the bracket 200 produces an electrical connection.

A second embodiment of the present creation will be described in detail with reference to the tenth through fifteenth drawings. The case 500 of the second embodiment is substantially similar to the case 100 of the first embodiment, however the electrical connector 310 of the case 500 is significantly different than the electrical connector 210 of the case 100. Therefore, only the structural features of the electrical connector 310 of the casing 500 will be described in detail below.

The electrical connector 310 includes an elongated first insulating body 312 and a first terminal 314 that is retained in the first insulating body 312 and arranged in the longitudinal direction. The first terminal 314 is integrally injection molded with the first insulative housing 312. The first terminal 314 is substantially U-shaped and is stamped and formed from a metal panel. The first terminal 314 integrally extends with a first upper contact portion 316, a first lower contact portion 318, and a first bent portion connecting the first upper contact portion 316 and the first lower contact portion 318. The first upper contact portion 316 is formed at its end with a first exposed end 317 having a horizontal section and a vertical section, and the first lower contact portion 318 is formed at its end with a second exposed end 319. The first bare end 317 extends forward from the front end of the first upper contact portion 316 and is bent and extended upward, and the left and right widths are significantly narrower than the first upper contact portion 316.

In the present embodiment, the electrical connector 310 includes 16 first terminals 314, and the first terminals 314 are arranged in a row in the left-right direction. Accordingly, the electrical connector 310 includes 16 first upper contacts 316 on its upper surface and 16 first lower contacts 318 on its lower surface. The 16 first terminals 314 are arranged in order from left to right into a third terminal group, a first terminal group, a second terminal group and a third terminal group, that is, the first terminal 314 is disposed on the left and right sides. Two outer terminal groups (third terminal group) and two inner terminal groups (first and second terminal groups) located in the middle, and each terminal group is composed of four first terminals 314. As seen from the top-bottom direction, the first upper and lower contact portions 316, 318 of the first terminal 314 of the third terminal group are aligned, and the first upper and lower contact portions 316 of the first terminal 314 of the first and second terminal groups are 318 partially overlapping; and the first terminal set 314 of the first terminal set and the second terminal set are mirror images of each other with respect to a vertical plane, wherein the first upper contact portion 316 of the first terminal 314 of the first terminal set is opposite to the first lower portion The contact portion 318 is offset to the left, while the first upper contact portion 316 of the first terminal 314 of the second terminal group is offset to the right relative to the first lower contact portion 318. For convenience of manufacture, the first bent portion of the first terminal 314 of the first and second terminal sets is provided with a connecting portion 313 having a narrow left and right width. The connecting section 313 extends horizontally from one end of the first upper contact portion 316.

Different from the first upper and lower contact portions 216 and 218 of the 16 first terminals 214 in the first embodiment, the first upper contact portion 316 of the eight first terminals 314 in the middle and left direction in this embodiment is different. Not aligned with the corresponding first lower contact portion 318. That is, the eight first upper contact portions 316 in the middle overlap the corresponding eight first lower contact portions 318 as viewed in the up and down direction. Further, four of the eight first upper contact portions 216 in the middle are shifted to the left and the other four are shifted to the right to form a bilaterally symmetric structure.

Similar to the arrangement of the first lower contact portion 218 in the first embodiment, the first lower contact portion 318 at the lower surface of the electrical connector 310 in this embodiment is composed of a first lower contact portion group and a second lower contact portion group. The third lower contact group is composed of the first, second and third lower contact groups arranged from left to right, and the two groups at the left and right ends are composed of four first lower contact portions 318, and the middle group is composed of 8 The first lower contact portion 318 is composed of. Unlike the arrangement of the first upper contact portion 216 in the first embodiment, the first upper contact portion 316 at the upper surface of the electrical connector 310 in the present embodiment is composed of a first upper contact portion group, a second upper contact portion group, The third upper contact portion group and the fourth upper contact portion group are arranged, the first to fourth upper contact portion groups are arranged in order from left to right, and each group is composed of four first upper contact portions. The second upper contact portion is offset to the left with respect to the second lower contact portion, and the third upper contact portion is offset to the right with respect to the second lower contact portion. And the second and third upper contact portions are disposed symmetrically with respect to the second lower contact portion.

In the present embodiment, the electrical connector 310 also includes a transit circuit board 315. The transit circuit board 315 is provided with a plurality of traces serially connected to the first terminal 314 and 16 connection holes, wherein each of the connection holes receives a corresponding first exposed end 317, and each of the traces connects the plurality of connection holes to correspond to The first exposed end 317 is electrically connected. The adapter circuit board 315 is arranged to connect the eight first terminals 310 on the left and right sides of the electrical connector 310 with the eight first terminals 310 in the middle.

A third embodiment of the present creation will be described in detail with reference to the sixteenth through twenty-thirdth drawings. The case 300 of the third embodiment is substantially similar to the case 100 of the first embodiment, however, the electrical connector 330 of the case 300 and the first and second platforms 320, 360 are compared with the electrical connector 210 of the case 100 and the first The first and second platforms 204 and 206 are significantly different.

In the first embodiment, the electrical connectors 210 and 220 are injection molded and assembled on the first and second platforms 204 and 206, and are fixed by interference between the two through the through holes. In the third embodiment, the electrical connectors 330, 370 are injection molded and then subjected to a second injection molding as an insert to form the first and second platforms 320, 360 and the bottom 340, wherein the electrical connector 330 is partially embedded in the first platform 320.

Similar to the case 100 of the first embodiment, the electrical connector 330 includes an elongated first insulating body 334 and a first terminal 332 that is held in the first insulating body 334 and arranged in the longitudinal direction. The first terminal 332 is integrally injection molded with the first insulative housing 334 and exposed to the upper surface and the lower surface of the first insulative housing 334. The difference from the case 100 is that a plurality of grooves 336 are formed at the lower surface of the first insulative housing 334, and each groove 336 is located between two adjacent first terminals 332. When the electrical connector 330 is injection molded, the recess 336 can be inserted into the mold to position the first terminal 332. When the electrical connector 330 is in the form of an insert for the second injection molding to form the first platform 320, a portion of the material of the first platform 320 enters and fills the recess 336 to secure the electrical connector 330. In the present embodiment, the length of the groove 336 is shorter than the contact area 333 of the first terminal 332. Of course, in other embodiments, the length of the front and rear of the groove 336 may be set longer or equal to the contact area 333 of the first terminal 332 according to actual needs. In addition, the groove 336 can also be disposed on the upper surface of the first insulative housing 334 according to actual needs. The electrical connector 330 is provided with two positioning holes 339 of the same size, and the positioning holes 339 are located on the left and right sides of the front end of the first insulating body 334. When the electrical connector 330 is in the second injection molding as the insert to form the first platform 320, the partial material of the first platform 320 enters and fills the positioning holes 339 to further fix the electrical connector 330.

Similar to the case 500 of the second embodiment, the electrical connector 330 further includes a patch circuit board 338 having a plurality of traces 337. In this embodiment, the transit circuit board 338 is located above the first insulative housing 334, and the front end of the first insulative housing 334 integrally extends to form a flange 341 to support the transit circuit board 338. The upper surface of the flange 341 is lower than the first An upper surface of the insulative housing 334 forms a recessed space for receiving the transit circuit board 338. At the second injection molding, the transit circuit board 338 is covered by the first platform 320. The transit circuit board 338 is provided with a plurality of traces 337 and 16 connection holes serially connected to the first terminal 332, wherein each of the connection holes receives a first exposed end 335 of the first terminal 332, and each of the traces 337 is connected to the plurality of traces 337 The connection hole is electrically connected to the corresponding first terminal 332. As such, certain first terminals 332 can be selectively cascaded. In the present embodiment, the transit circuit board 338 connects the eight first terminals 332 on the left and right sides of the electrical connector 330 with the eight first terminals 332 in the middle.

The first terminal 332 in this embodiment is configured with two outer terminal groups on the left and right sides and two inner terminal groups in the middle, which are the same as the arrangement of the first terminals 314 in the second embodiment. The first upper and lower contact portions 316 and 318 of the first terminal 314 of the electrical connector 310 in the first embodiment are arranged in the same manner. In the present embodiment, the contact region 333 of the first terminal 332 of the electrical connector 330 is in the left and right direction. The two rows are exposed in the upper and lower surfaces of the first insulative housing 334, and include four sets of contact regions 333 (four in each group) exposed on the upper surface of the first insulative housing 334 and exposed to the first insulative housing 334. Three sets of contact areas 333 on the lower surface (eight in the middle, four in each of the two groups); the left and right spacing of any two adjacent contact areas 333 in the group are the same, and any two adjacent contact areas 333 outside the group The left and right spacings are the same; the left and right spacing of adjacent two contact regions 333 in the group is significantly smaller than the left and right spacing of the adjacent two sets of contact regions 333 outside the group.

In the embodiment, the contact area 333 is located behind the two positioning holes 339. The two sets of contact areas 333 located on the left and right sides of the upper surface of the first insulating body 334 are covered by the first platform 320 from above. The two sets of contact areas 333 are exposed upwards; the three sets of contact areas 333 on the lower surface of the first insulative body 334 are exposed downwardly to the through grooves 322.

Similarly, the electrical connector 370 includes an elongated second insulative housing 374 and a second terminal 372 that is retained in the second insulative housing 374 and arranged in the longitudinal direction. The second terminal 372 is integrally injection molded with the second insulative housing 374 and exposed to the upper surface and the lower surface of the second insulative housing 374. A plurality of grooves 376 are formed at a lower surface of the second insulative housing 374, and each groove 376 is located between two adjacent second terminals 372. When the electrical connector 370 is injection molded, the recess 376 can be inserted into the mold to position the second terminal 372. When the electrical connector 370 is secondarily injection molded as an insert to form the second platform 360, a portion of the material of the second platform 360 enters and fills the recess 376 to secure the electrical connector 370. The electrical connector 370 is provided with two positioning holes 379 of the same size, and the positioning holes 379 are located on the left and right sides of the second insulating body 374. When the electrical connector 370 is secondarily injection molded as an insert to form the second platform 360, a portion of the material of the second platform 360 enters and fills the locating holes 379 to further secure the electrical connector 370. Different from the U-shaped second terminal 224 in the first embodiment, the second terminal 372 in this embodiment is substantially Z-shaped, and the length of the contact area 333 at the upper surface of the second insulating body is longer than the second insulating body. The contact area 333 at the surface is short and located behind it.

In summary, the creation meets the requirements of the invention patent, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those who are familiar with the skill of the present invention are equivalent to the equivalent modifications or changes made by the spirit of the present creation. It should be covered by the following patent application.

100, 300, 500‧‧‧ boxes

400‧‧‧ cable

200‧‧‧ bracket

303‧‧‧Terminal module

302‧‧‧Docking terminal

202‧‧‧ base

340‧‧‧ bottom

204, 320‧‧‧ first platform

206, 360‧‧‧ second platform

201, 203, 322‧‧‧ slot

205‧‧‧first stud

207‧‧‧second stud

210, 220, 310, 330, 370‧‧‧ electrical connectors

211‧‧‧ first through hole

221‧‧‧Second through hole

212, 312, 334‧‧‧ first insulating body

222, 374‧‧‧Second insulation body

336, 376‧‧‧ grooves

339, 379‧‧‧ positioning holes

341‧‧‧Flange

315, 338‧‧‧Transfer circuit board

337‧‧‧ Traces

214, 314, 332‧‧‧ first terminal

224, 372‧‧‧ second terminal

216, 316‧‧‧ first contact

226‧‧‧Second Upper Contact

218, 318‧‧‧ First contact

228‧‧‧Second lower contact

217, 317, 335‧‧‧ first exposed end

229, 319‧‧‧ second exposed end

219‧‧‧First embedded end

227‧‧‧Second embedded end

313‧‧‧ Connection section

333‧‧‧Contact area

no

100‧‧‧ box

202‧‧‧ base

204‧‧‧First platform

206‧‧‧Second platform

210, 220‧‧‧ electrical connectors

Claims (10)

An electrical connector comprising:
The insulating body is provided with an upper surface and a lower surface which are disposed opposite to each other; and a plurality of terminals are arranged in a row in the left-right direction, and the terminal integrally extends with an upper contact portion and a lower contact portion;
Wherein the terminal is integrally injection-molded with the insulative housing, the upper contact portion has a contact surface exposed on the upper surface of the insulative body and flush with the upper surface, the lower contact portion having a lower surface exposed to the insulative body and The contact surface of the lower surface is flush. The electrical connector of claim 1, wherein the lower surface or the upper surface of the insulating body is provided with a plurality of grooves, each groove being located at two adjacent lower contact portions or upper contact portions. between. The electrical connector of claim 1, wherein the upper contact portion has a shorter length than the lower contact portion and one of the upper contact portion and the lower contact portion when viewed from above and below An exposed end is provided at the end thereof and extending out of the insulative body. The electrical connector of claim 1, wherein the plurality of terminals are divided into at least a first terminal group and a second terminal group, the first terminal group above the contact portion and the second terminal group The contact portions are simultaneously offset in a direction away from the left and right. The electrical connector of claim 4, wherein each of the terminals is substantially U-shaped and includes a bent portion connecting the upper contact portion and the lower contact portion, the bent portion being embedded and hidden in the insulation In the body, the bent portion is provided with a connecting portion having a narrower width than the upper and lower contact portions. The electrical connector of claim 5, wherein the electrical connector is provided with a transit circuit board connected to the terminal, and the transit circuit board is provided with a plurality of electrical serials. The trace of the terminal. A box comprising:
a base extending in a front-rear direction, the base comprising a first platform at a rear end of the base and a second platform at a front end of the base;
The first electrical connector is fixed to the first platform, and the first electrical connector includes:
The first insulative housing is provided with an upper surface and a lower surface opposite to each other; and a plurality of first terminals are disposed on the first insulative housing and arranged in the left and right direction;
The second electrical connector is fixed to the second platform, and the second electrical connector includes:
The second insulative housing is provided with an upper surface and a lower surface opposite to each other; and a plurality of second terminals are disposed on the second insulative housing and arranged in the left and right direction;
The first terminal is integrally injection molded with the first insulating body, the second terminal is integrally injection molded with the second insulating body, and each of the first terminals is exposed on the first insulating body. a flat first upper contact portion of the surface and a flat first lower contact portion exposed on the lower surface of the first insulating body, each second terminal being provided with a flat second upper contact portion exposed on the upper surface of the second insulating body And a flat second contact portion exposed on the lower surface of the second insulating body. The casing of claim 7, wherein the first electrical connector is integrally injection molded as an insert into the first platform, and the second electrical connector is integrally molded as an insert into the The second platform. The box body of claim 8, wherein the plurality of first terminals are provided with two outer terminal groups and two inner terminal groups, and the first upper contact portions of the two outer terminal groups are first The platform is covered, and the first upper contact portions of the two inner terminal groups are exposed upward. The box body of claim 9, wherein the first upper contact portion of one of the inner terminal groups and the first upper contact portion of the other inner terminal group are opposite to each other The left and right directions are offset from each other, and the first lower contact portions of the two inner terminal groups are arranged at equal intervals in the left-right direction.