TWM579831U - Electrical connector - Google Patents

Abstract

An electrical connector includes an insulative housing member and a circuit module disposed on the insulative housing member. The insulating shell member comprises a casing, a tongue plate, a limiting structure, and a positioning structure. The housing defines a receiving space having an opening, and the housing has a front wall and a top wall, and the tongue plate is formed to extend forward from the top wall in a pair of connecting directions and is higher than the top wall. The bit structure has a bottom plate extending forward from the front wall in the mating direction, and two side plates extending upward from the bottom plate, wherein the front wall is formed to communicate with the receiving space and is located at the tongue plate a through hole between the limiting structures, the positioning structure includes two protrusions extending upward from a top surface of the top wall, each of the protrusions and the tongue plate defining a positioning channel extending along the mating direction.

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector having a positioning structure.

Chinese Patent Publication No. CN207677189U discloses a connector component comprising a wire end connector and a board end connector that can be fastened to each other, and a locking tab. The wire end connector includes a front case, a circuit board, and a rear case. The board end connector has a lug on the snap side. The wire end connector is provided with a fastening portion for preventing the board end connector from being obliquely inserted on the fastening side. The fastening portion is two L-shaped plates respectively fixed on two sides of the front casing, and the two L-shaped plates and the upper end surface of the wire end connector are jointly defined to form a shape, a size and a shape of the lug and the same size. Cavity. However, the two L-shaped plates are complicated in shape and large in size, and are not only difficult to be injection molded, but also easily warped due to thermal expansion and contraction effects after molding.

Accordingly, it is an object of the present invention to provide an electrical connector that improves at least one of the disadvantages of the prior art described above.

Thus, in some embodiments, the novel electrical connector includes an insulative housing member and a circuit module. The insulating shell member comprises a casing, a tongue plate, a limiting structure, and a positioning structure. The housing defines a receiving space having an opening, and the housing has a front wall and a top a wall, the tongue plate is formed to extend forward from the top wall along a pair of connecting directions, and a top surface of the tongue plate is higher than a top surface of the top wall, the limiting structure is located below the tongue plate, and the limiting structure is a bottom plate extending forwardly from the front wall in the mating direction, and two side plates extending upward from the side edges of the bottom plate, wherein the front wall is formed in communication with the receiving space and located on the tongue plate a through hole between the limiting structure, the positioning structure includes two protrusions respectively extending upward from the top surface of the top wall at two sides of the tongue plate, and each of the protrusions defines a boundary along the tongue plate a positioning channel extending in the docking direction. The circuit module includes a circuit board, a plurality of wires soldered to the circuit board, and a covering body wrapped around the circuit board and the wires, wherein the covering body is located in the receiving space. The circuit board protrudes forward from the through hole of the front wall, and the wires extend from the opening of the receiving space outside the insulating case.

In some embodiments, a latching member is disposed on the top of the tongue plate, and the latching member has a latching structure adapted to be engaged with the mating connector.

In some implementations, the wires are parallel to the circuit board.

In some implementations, the wires are perpendicular to the circuit board.

In some embodiments, the covering body is disposed corresponding to the receiving space of the insulating shell member, and the insulating shell member is further formed with at least one holding hole that communicates with the receiving space, and the circuit board is formed with a corresponding holding hole. The at least one through hole, the electrical connector further includes at least one retaining member correspondingly disposed to the retaining hole and the through hole to fix the circuit module to the insulating case member.

In some embodiments, a retaining shell member is disposed on the covering body and is fixed to the receiving space of the insulating shell member to fix the circuit module to the insulating shell member.

In some embodiments, the covering body has a body portion and the body portion Two limiting protrusions extending in opposite directions on the two sides, the holding shell member is disposed on the main body portion and has a front side opening facing the front wall, and is connected to the front side opening and correspondingly receiving the same Two limit slots of the bit bump.

In some embodiments, the housing of the insulating case member is formed with a plurality of engaging holes that communicate with the receiving space, and the holding case member has a plurality of engaging protrusions respectively corresponding to the engaging holes. .

In some embodiments, the housing of the insulating case member is further formed with a plurality of guiding grooves respectively extending between the receiving space and the engaging holes and extending along the mating direction, and each engaging protrusion And a guiding portion extending along the mating direction and slidably received in the corresponding guiding groove, and an engaging portion correspondingly engaged with the corresponding engaging hole.

In some embodiments, the top wall is formed to extend rearward from the front wall in the mating direction, and the positioning structure is located behind the limiting structure.

The present invention has at least the following effects: the bumps of the positioning structure are simple in construction and easy to manufacture, and the bumps are not easily deformed to cause warpage due to thermal expansion and contraction effects.

10‧‧‧Electrical connector

1‧‧‧Insulating shell parts

11‧‧‧Shell

111‧‧‧ accommodating space

111a‧‧‧ openings

112‧‧‧ front wall

112a‧‧‧through hole

113‧‧‧ top wall

114‧‧‧ bottom wall

115‧‧‧ side wall

116‧‧‧Snap hole

117‧‧‧ guiding slot

12‧‧ ‧ tongue

13‧‧‧Limited structure

131‧‧‧floor

132‧‧‧ side panels

14‧‧‧ Positioning structure

141‧‧‧Bumps

142‧‧‧ Positioning channel

15‧‧‧First holding hole

16‧‧‧Second holding hole

17‧‧‧Setting slot

18‧‧‧Bumps

19‧‧‧stop block

2‧‧‧ circuit module

21‧‧‧ boards

211‧‧‧Docking section

211a‧‧Contacts

212‧‧‧Connection section

212a‧‧‧Electrical contacts

213‧‧‧Perforation

22‧‧‧Wire

221‧‧‧Bare line

23‧‧‧ Covering body

231‧‧‧ Body Department

232‧‧‧ Limit bumps

3‧‧‧ holding parts

4‧‧‧Locks

41‧‧‧Setting section

41a‧‧‧Fixed holes

42‧‧‧Flexible section

421‧‧‧Lock structure

421a‧‧‧Lock bumps

5‧‧‧ Holding shell parts

51‧‧‧ front opening

52‧‧‧ rear opening

53‧‧‧ Limit slot

54‧‧‧Clamping bumps

541‧‧‧Guide

542‧‧‧Care Department

55‧‧‧ bottom opening

20‧‧‧Docking connector

201‧‧‧ housing

202‧‧‧Positioning parts

203‧‧‧ Positioning board

203a‧‧‧Top Board

203b‧‧‧Side plate department

203c‧‧‧Lock hole

D1‧‧‧ docking direction

D2‧‧‧ height direction

D3‧‧‧Width direction

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a perspective view of a first embodiment of the present invention; FIG. An exploded perspective view of FIG. 2; FIG. 3 is an exploded perspective view of FIG. 2 viewed from another perspective; Figure 4 is a perspective view showing an insulating case member of the first embodiment; Figure 5 is a front view of the first embodiment; Figure 6 is a side view of the first embodiment; Figure 7 is the first view FIG. 8 is a perspective exploded view showing a circuit module of the first embodiment; FIG. 9 is an exploded perspective view of FIG. 8 viewed from another perspective; FIG. 10 is a perspective view illustrating FIG. 11 is a perspective view of a second embodiment of the present invention; FIG. 11 is a perspective view of the second embodiment of the present invention; FIG. FIG. 14 is an exploded perspective view of FIG. 13 viewed from another perspective; FIG. 15 is a perspective view of a third embodiment of the present invention; FIG. A perspective view of a perspective view; FIG. 17 is an exploded perspective view of the third embodiment; and FIG. 18 is an exploded perspective view of FIG. 17 viewed from another perspective.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to Figures 1 to 3, a first embodiment of the novel electrical connector 10 includes an insulation. The shell member 1, a circuit module 2, two holding members 3, and a locking member 4.

Referring to FIG. 1 , FIG. 4 to FIG. 7 , the insulating shell member 1 includes a casing 11 , a tongue plate 12 , a limiting structure 13 , and a positioning structure 14 . In this embodiment, the insulating shell member is made of plastic, but is not limited thereto. The housing 11 defines a receiving space 111 having an opening 111a. The housing 11 has a front wall 112, a top wall extending rearward from the front wall 112 in the pairing direction D1 and spaced apart in a height direction D2. And a bottom wall 114, and two side walls 115 extending from the front wall 112 in the abutting direction D1 and connected to the two sides of the top wall 113 and the bottom wall 114 respectively. The receiving space 111 is formed by the top wall 113. The bottom wall 114 is defined together with the side walls 115, and the opening 111a is defined by the top wall 113, the bottom wall 114 and the rear side edges of the side walls 115. The tongue plate 12 extends forward from the top wall 113 along the abutting direction D1 and is parallel to a width direction D3. The top surface of the tongue plate 12 is higher than the top surface of the top wall 113. The limiting structure 13 is located under the tongue plate 12. The limiting structure 13 has a bottom plate 131 extending forward from the front wall 112 in the butting direction D1 and parallel to the width direction D3, and respectively from the bottom plate 131. Two side plates 132 extending upward in the height direction D2 on both side edges so that the cross section of the limiting structure 13 facing the mating direction D1 is U-shaped, and in the first embodiment, the limit The width of the bottom plate 131 of the structure 13 in the width direction D3 is slightly larger than the width of the tongue plate 12 in the width direction D3. The front wall 112 is formed with a through hole 112a communicating with the receiving space 111. The through hole 112a is located between the tongue plate 12 and the limiting structure 13 and extends along the width direction D3. The positioning structure 14 is located behind the limiting structure 13 and includes two protrusions 141 extending upward from the top surface of the top wall 113 at two sides of the tongue plate 12 in the height direction D2. Block 141 and the tongue 12 define a positioning channel 142 that extends in the docking direction D1. The bumps 141 of the positioning structure 14 are simple and easy to construct The molding is manufactured, and the bumps 141 are not easily formed and warp due to the thermal expansion and contraction effect. Also. In the first embodiment, the height of the top surface of the two protrusions 141 is substantially the same as the height of the top surface of the tongue plate 12, but is not limited thereto.

Referring to FIG. 1 to FIG. 3 and FIG. 8 to FIG. 10 , the circuit module 2 includes a circuit board 21 , a plurality of wires 22 soldered to the circuit board 21 , and a circuit board 21 connected to the wires 22 . A covering body 23 at the location. The circuit board 21 has a plug section 211 located forward in the mating direction D1 and adapted to interface with the mating connector 20, and a connecting section 212 located at the rear for connection with the conductors 22. The insertion portion 211 has a plurality of contact portions 211a formed on the top surface and the bottom surface for contacting the plurality of terminals (not shown) of the mating connector 20, and the contact portions 211a extend along the mating direction D1. Along the width direction D3, the connecting portion 212 has a plurality of electrical contacts 212a formed on the top surface and the bottom surface and electrically connected to the contact portions 211a, respectively. The wires 22 are parallel to the circuit board 21 and extend rearward from the circuit board 21 in the mating direction D1. Each of the wires 22 has a plurality of bare wires 221 at the front end and soldered to the electrical contacts 212a. The wires 22 are divided into upper and lower rows, and each row of the plurality of wires 22 are arranged side by side along the width direction D3, and the bare wire portion 221 of the wire 22 located in the upper row is soldered to the electrical connection on the top surface of the connecting segment 212. Point 212a, and the bare wire portion 221 of the wire 22 in the lower row is soldered to the electrical contact 212a on the bottom surface of the connecting segment 212. The covering body 23 is electrically insulated and filled in the manner of injection molding to the bare wire portion 221 of the connecting portion 212 and the wires 22 , and the covering body 23 is correspondingly disposed on the insulating shell member 1 . The accommodating space 111, the insertion section 211 of the circuit board 21 protrudes forward from the through hole 112a of the front wall 112, and the wires 22 extend from the opening 111a of the accommodating space 111 outside the insulating case member 1.

The insulating case member 1 is further formed with two first holding holes that communicate with the receiving space 111 15 and two second holding holes 16. The two first retaining holes 15 are formed in the tongue plate 12 and the top wall 113 . The two second retaining holes 16 are formed in the bottom wall 114 corresponding to the two first retaining holes 15 . The circuit board 21 is formed with two through holes 213 corresponding to the first holding holes 15, respectively. The two holding members 3 are respectively sequentially disposed on the first holding holes 15 , the through holes 213 and the second fixing holes 16 to fix the circuit module 2 to the insulating cover member 1 . In the first embodiment, the surface of the holding member 3 is further formed with a thread to strengthen the holding force with the insulating shell member 1, but is not limited thereto. In addition, in other embodiments, the number of the first holding hole 15, the second holding hole 16, the through hole 213, and the holding member 3 may also be one or other numbers, and in a variant embodiment, the insulating case member 1 It is also possible to form only the first holding hole 15 or only the second holding hole 16, which is not limited by the first embodiment.

Referring to FIG. 1 , FIG. 5 to FIG. 7 and FIG. 10 , the mating connector 20 has a plurality of terminals (not shown) disposed therein for inserting the plug segments 211 of the circuit board 21 with the terminals. And a positioning shell 202 disposed on the top of the housing 201 and extending along the mating direction D1, the positioning shell 202 is disposed. The plate is correspondingly disposed on the tongue plate 12 during the docking process, and the positioning plate 203 has a cross section corresponding to the inverted U shape of the tongue plate 12 and has a top plate portion 203a parallel to the width direction D3, and Two side plate portions 203b extending downward from both side edges of the top plate portion 203a. Before the first embodiment is mated with the mating connector 20, the limiting structure 13 and the tongue 12 at the front are respectively used to limit the housing 11 and the positioning plate 203 to guide the housing 11 to The two protrusions 141 of the positioning structure 14 at the rear are corresponding to the two positioning channels 142 defined by the tongue plate 12, after the first embodiment is in contact with the mating connector 20. Positioning the two side plate portions 203b of the positioning plate 203 to further cooperate with the positioning structure 14 The tongue 12 co-locates the docking connector 20.

Referring back to FIGS. 1 to 3, the insulating case member 1 is further formed with a setting groove 17 on the top surface of the tongue plate 12, two protrusions 18 extending from the bottom of the setting groove 17, and from the tongue. The top surface of the plate 12 is adjacent to the two stoppers 19 that extend in the width direction D3 at the installation groove 17. The locking member 4 has a setting portion 41 disposed on the bottom surface of the setting groove 17 and formed with two fixing holes 41a corresponding to the protrusions 18, and is bent along the leading edge of the setting portion 41. The docking direction D1 extends rearward and abuts against an elastic section 42 of the stop blocks 19. The positioning plate 203 of the mating connector 20 is further formed with two locking holes 203c (see FIG. 10) on the top plate portion 203a, and the elastic portion 42 is formed on the top surface with a card suitable for the corresponding connector 20 a latching structure 421 having two latching projections 421a corresponding to the two latching holes 203c of the mating plate 203 of the mating connector 20, so that the first implementation For example, when the mating connector 20 is docked, the latching member 4 can be locked and fixed to each other.

Referring to FIG. 11 to FIG. 14, a second embodiment of the electrical connector 10 of the present invention is substantially the same as the first embodiment, but between the insulating case member 1 and the circuit module 2 in the second embodiment. The fixing method is different from the first embodiment. In the second embodiment, the electrical connector further includes a holding member 5 that is disposed on the covering body 23 and is fixed to the receiving space 111 of the insulating housing member 1 to The circuit module 2 is fixed to the insulating case member 1. The covering body 23 has a body portion 231 extending substantially in the mating direction D1, and two limiting protrusions 232 extending in the width direction D3 from the both sides of the body portion 231 in the width direction D3. The limiting bumps 232 are adjacent to the front end of the body portion 231. The housing 11 of the insulative housing member 1 is formed with a plurality of engaging holes 116 communicating with the receiving space 111, and is respectively connected between the receiving space 111 and the engaging holes 116 and along the mating direction D1. extend A plurality of guiding grooves 117. The holding shell member 5 is disposed on the main body portion 231 and has a front side opening 51 facing the front wall 112, a rear side opening 52 facing the rear side and passing through the wires 22, and communicating with the front side opening 51. The two limiting slots 53 for accommodating the limiting protrusions 232 and the plurality of engaging protrusions 54 that are respectively engaged with the engaging holes 116 are respectively corresponding. Each of the engaging projections 54 has a guiding portion 541 extending along the mating direction D1 and slidably received in the corresponding guiding groove 117, and correspondingly engaged with the corresponding engaging hole 116. The engaging portion 542 can assist the positioning of the relative position between the insulating shell member 1 and the holding shell member 5 by the matching guiding groove 117 and the guiding portion 541, and the guiding grooves 117 can also The engaging portions 542 of the engaging projections 54 are guided to the engaging holes 116. When the second embodiment is assembled, the retaining shell member 5 is firstly sleeved in the mating direction D1 from the rear to the front of the covering body 23, and the limiting slots 53 are correspondingly received. The bumps 232 are respectively aligned with the guiding portions 541 of the engaging projections 54 respectively to the guiding grooves 117 of the insulating cover member 1, and then the holding shell members 5 are self-aligned in the mating direction D1 from the rear to the front. The opening 111a of the insulating cover member 1 enters the receiving space 111 of the insulating cover member 1 and the engaging portions 542 of the engaging projections 54 are correspondingly engaged with the engaging holes 116 to support the holding case. The member 5 is provided in the accommodating space 111 and the circuit module 2 is fixed to the insulating case member 1.

Referring to Figures 15 through 18, a third embodiment of the present electrical connector 10 is substantially identical to the second embodiment. However, in the third embodiment, the wires 22 are perpendicular to the circuit board 21 and the wires 22 extend downward from the circuit board 21 in the height direction D2, and the body portion 231 of the covering body 23 It extends substantially downward along the direction in which the wire 22 extends. The housing 11 of the insulating case member 1 does not have a bottom wall 114 (see FIG. 4), the opening 111a of the insulating case member 1 extends from the rear side to the bottom side of the insulating case member 1, and the holding case member 5 has a replacement A bottom side opening of the rear side opening 52 (see FIG. 14) in the second embodiment 55, for the wires 22 to pass through.

In summary, the bumps 141 of the positioning structure 14 of the present type of electrical connector 10 are simple in structure and easy to manufacture, and the bumps 141 are not easily formed and warp due to thermal expansion and contraction effects. .

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

Claims (10)

An electrical connector comprising: an insulative housing member, comprising a housing, a tongue plate, a limiting structure, and a positioning structure, the housing defining a receiving space having an opening, and the housing has a front a wall and a top wall, the tongue plate is formed to extend forward from the top wall in a pair of connecting directions, and a top surface of the tongue plate is higher than a top surface of the top wall, the limiting structure is located below the tongue plate, and The limiting structure has a bottom plate extending forward from the front wall in the mating direction, and two side plates respectively extending upward from the side edges of the bottom plate, wherein the front wall is formed to communicate with the receiving space a through hole between the tongue plate and the limiting structure, the positioning structure includes two protrusions respectively extending upward from the top surface of the top wall at two sides of the tongue plate, each of the protrusions and the The tongue plate defines a positioning channel extending along the mating direction; and a circuit module comprising a circuit board, a plurality of wires soldered to the circuit board, and a package wrapped around the circuit board and the wires a covering body, wherein the covering body is located in the receiving space , The circuit board from the through hole of the front wall projecting forwardly, these leads extend out of the housing of the insulating member from the opening of the receiving space. The electrical connector of claim 1 further comprising a latching member disposed on the top of the tongue plate, the latching member having a latching structure adapted to engage with the mating connector. The electrical connector of claim 1 wherein the wires are parallel to the circuit board. The electrical connector of claim 1 wherein the wires are perpendicular to the circuit board. The electrical connector of claim 1, wherein the covering body is disposed correspondingly to the receiving space of the insulating case member, and the insulating case member is further formed with at least one holding hole communicating with the receiving space, the circuit board is formed Having at least one through hole corresponding to the holding hole, the electrical connector further includes correspondingly penetrating the holding hole and the through hole to fix the circuit module to the insulating case At least one retaining member of the piece. The electrical connector of claim 1, further comprising a holding shell member, the retaining shell member is disposed on the covering body and fixed to the receiving space of the insulating shell member to fix the circuit module to the Insulating shell parts. The electrical connector of claim 6, wherein the covering body has a body portion, and two limiting protrusions extending in opposite directions from opposite sides of the body portion, the holding shell member is coated on The body portion has a front side opening facing the front wall, and two limiting slots respectively communicating with the front side opening and respectively accommodating the limiting protrusions. The electrical connector of claim 6, wherein the housing of the insulative housing member is formed with a plurality of engaging holes that communicate with the receiving space, and the holding housing member has a plurality of correspondingly engaged with the engaging members. The snap tab of the hole. The electrical connector of claim 8, wherein the housing of the insulative housing member is further formed with a plurality of guiding slots respectively communicating between the receiving space and the engaging holes and extending along the mating direction. Each of the engaging projections has a guiding portion extending along the mating direction and slidably received in the corresponding guiding groove, and an engaging portion correspondingly engaged with the corresponding engaging hole. The electrical connector of any one of claims 1 to 9, wherein the top wall is formed to extend rearwardly from the front wall in the mating direction, and the positioning structure is located behind the limiting structure.