CN207442012U - Wire-to-board connector assembly and its board end connector and wire end connector - Google Patents

Abstract

The utility model discloses a line-to-board connector assembly, a board end connector and a line end connector thereof, wherein the board end connector is provided with an end insulator, a board end terminal, a base plate and a cover plate, a board end butt joint part is formed at the front side of a board end base of the board end insulator, and a board end terminal installation part is arranged at the rear side of the board end base; the line end connector comprises a line end insulator, a line end terminal and a metal shell, wherein a line end butt joint part is formed on the front side of a line end base of the line end insulator, and a line end terminal installation part is arranged on the rear side of the line end base; when the line end connector group is arranged on the board end connector, the cover plate slides towards the top wall of the line end butt joint part, the top wall is pressed downwards by the acting force of the cover plate to abut against the suspended elastic arm of the board end terminal to clamp the line end butt joint part, so that the line end terminal arranged on the opposite surface of the top wall and the suspended elastic arm of the board end terminal form abutting positioning to achieve stable conduction. Through the structure, the quick and accurate assembly can be realized, the assembly efficiency is improved, and the structural strength and the reliability of the connector are improved.

Description

Wire-to-board connector assembly and its board end connector and wire end connector

technical field

The utility model relates to the technical field of electrical connector products, in particular to a wire-to-board connector assembly used for electrical connection of electronic products, a board-end connector and a wire-end connector.

Background technique

In recent years, electrical connectors have been widely used in various electronic devices, but with the development of thinner and lighter electronic devices, the volume size of electrical connectors is continuously required to be reduced. In this way, the impact on the electrical connector not only increases the processing difficulty, but also weakens the structural strength.

Specifically, the wire-to-board connector assembly will have components such as board terminals, wire terminals, and insulators. At present, electrical connector components are usually assembled to complete the combination with each other. However, if the size of electronic products continues to be reduced, the size of the connector will also be reduced, which will reduce the assembly space between electronic products, and it will be difficult to assemble the connector in the reassembly space, and it is really difficult for the assembled connector to have Sufficient strength, it is also difficult to improve assembly efficiency.

Therefore, how to solve the aforementioned defects is the direction that relevant manufacturers in the industry want to study and improve.

Utility model content

The technical problem to be solved by the utility model is to provide a wire-to-board connector assembly, a board-end connector and a wire-end connector that can improve assembly efficiency, reduce structural size, and improve the structural strength of the connector.

In order to solve the above technical problems, the utility model adopts the following technical solution: a wire-to-board connector assembly, including a board-side connector and a wire-side connector, characterized in that: the board-side connector includes a board-side insulator , a plurality of board end terminals, a base plate part and a cover plate part, and the board end base of the board end insulator is formed with a board end docking part which is docked with the wire end connector on the front side, and the board end base There is a board terminal mounting part on the rear side, and a plurality of board terminal slots pass through the board terminal base from the board terminal mounting part to the board end docking part, and a plurality of board terminal terminals are correspondingly accommodated in these board terminal slots; The base of the board end terminal obliquely extends forward and upward with a suspended elastic arm, and a welding part is provided at the base of the board end terminal. The base plate part carries the board end insulator. two sides of the base of the board end, and the cover member is slidably arranged on the upper wall of the base of the board end;

The wire-end connector includes a wire-end insulator, a plurality of wire-end terminals and a metal shell. The wire-end base of the wire-end insulator is formed on the front side with a wire-end docking portion that is docked with the board-end connector. The rear side is provided with a wire-end terminal installation part, and a plurality of wire-end terminals are threaded from the wire-end terminal installation part to the wire-end docking part; and is used to electrically connect with the suspended spring arm of the board terminal. There is a conductor fixing part for conductor connection behind the base of the terminal, and the metal shell is embedded in the top wall of the terminal base and the top of the butt joint of the terminal. Wall, wherein the metal shell extends forward and downward with a reinforced part of the guide cover plate at the front end of the butt joint of the wire end; The top wall of the top wall slides, and the top wall is pressed down by the force of the cover plate to pinch the line end butt joint with the suspended elastic arm of the plate end terminal, so that the line end terminal set on the opposite surface of the top wall and the plate end terminal The suspended elastic arm forms a stable abutment positioning structure.

Further, two sides of the board end insulator of the board end connector are respectively provided with a slide rail, and the slide rails are used for limiting sliding of the sliding part bent and extended on both sides of the cover member.

Furthermore, the side frame portion of the base plate is formed by bending upward from the base plate and then inwardly. The lateral wall of the side frame portion presses against a contact portion respectively extending outward on two sides behind the sliding portion of the cover plate.

Further, the side frame of the base plate is formed by bending upward from the base plate and then inwardly, and when the wire end connector is assembled on the board end connector, the metal cover plate faces the top wall of the wire end docking portion Displacement, when the cover plate slides through the slide rail and the cover plate is pressed against the line end butt joint by the reinforcing part of the metal shell of the line end butt joint to form a position.

Furthermore, a positioning buckle is provided on both sides of the front end of the wire end butt joint, which is used for buckle engagement with the positioning recesses set on the side walls adjacent to the board end butt joint.

Further, two sides of the metal shell are respectively provided with a card insertion part, and the card insertion part is inserted into two insertion holes provided on the top wall of the wire end insulator.

Furthermore, a tongue part is provided at the middle rear side of the base plate part, and the tongue plate part protrudes toward the positioning groove provided on the bottom wall of the plate end insulator, so that the base plate part is positioned on the plate end insulator.

Further, a plurality of welding pieces are bent outward at the longitudinal side wall of the side frame portion of the base plate.

Further, a guide portion protrudes obliquely forward from the front side of the cover member.

A board end connector for the aforementioned wire-to-board connector assembly, characterized in that it includes a board end insulator, a plurality of board end terminals, a base plate and a cover plate, and the board end insulator The front side of the board end base is formed with a board end docking part that is docked with the wire end connector, and the rear side of the board end base is provided with a board end terminal mounting part, and a plurality of board end terminal grooves are installed by the board end terminal part through the base of the board end to the docking part of the board end, and a plurality of board end terminals are correspondingly stored in these board end terminal grooves; There is a welding part, the base plate part carries the plate end insulator, the two sides of the base plate of the base plate part are respectively provided with a side frame part covering the two sides of the plate end base, and the cover plate part is arranged on the plate end base at the upper wall.

A wire-end connector for the aforementioned wire-to-board connector assembly, characterized in that it includes a wire-end insulator, a plurality of wire-end terminals and a metal shell, and the wire-end base of the wire-end insulator is located on the front The side is formed with a line end butt joint with the board end connector, and the opposite rear side is provided with a line end terminal installation part, and a plurality of line end terminals are passed from the line end terminal installation part to the line end butt joint part. There is a contact part extending forward from the base of the terminal terminal, and a conductor fixing part for conductor connection is provided behind the base of the terminal terminal. The metal shell extends toward and has a reinforcing part embedded in the front end of the wire end butt joint part.

The board end connector of the utility model is provided with an end insulator, a board end terminal, a base plate and a cover plate, and the front side of the board end base of the board end insulator is formed with a board end butt joint with the wire end connector, and The rear side of the board end base is provided with a board end terminal installation part, and the board end terminals are correspondingly stored in the board end terminal groove. The frame is covered on both sides of the board end base, and the cover plate is slid on the upper wall of the board end base; and the wire end connector includes a wire end insulator, a wire end terminal and a metal shell. The front side of the wire end base of the terminal insulator is formed with a wire end docking portion that is docked with the board end connector, and the rear side is provided with a wire end terminal mounting portion, and the wire end terminal is passed from the wire end terminal mounting portion to the wire end docking portion. There is a contact portion extending forward from the base of the wire end terminal. The metal shell is embedded in the top wall of the wire end base and the top wall of the butt joint of the wire end. The metal shell extends forward and downward with a reinforced portion of the guide cover plate at the front end of the line-end butt joint; when the line-end connector is assembled on the board-end connector, the cover slides toward the top wall of the line-end butt joint, and the top wall is pressed down against the board by the force of the cover plate. The suspended elastic arm of the end terminal squeezes the butt joint of the wire end, so that the wire end terminal on the opposite surface of the top wall and the suspended elastic arm of the board end terminal form an abutting position to achieve stable conduction. Through the above structure, fast and accurate assembly can be achieved, and the assembly efficiency can be improved. At the same time, this structure can effectively improve the structural strength and connection stability of the connector, so that the connector with a smaller volume has higher reliability.

Description of drawings

Figure 1 is a schematic diagram of the combination of the locking state of the wire-to-board connector assembly of the present invention;

Fig. 2 is a schematic diagram of most of the wire-to-board connector assembly of the present invention;

Fig. 3 is an exploded view of another angle of the wire-to-board connector assembly of the present invention;

Fig. 4 is an exploded schematic view of the board end connector of the present invention;

Fig. 5 is an exploded schematic diagram of another angle of the board end connector of the present invention;

Fig. 6 is an exploded schematic diagram of a third angle of the board end connector of the present invention;

Fig. 7 is an exploded schematic view of the utility model line end connector;

Fig. 8 is a schematic diagram of another angle of the wire-end connector of the present invention;

Fig. 9 is a combined schematic diagram of the wire-to-board connector assembly of the utility model in an unlocked state;

Fig. 10 is a schematic cross-sectional view of A-A of Fig. 9;

Fig. 11 is the C-C sectional schematic diagram of Fig. 1;

Figure 12 is a schematic diagram of the B-B section of Figure 9;

FIG. 13 is a schematic diagram of the D-D cross section of FIG. 1 .

In the figure,

1. Wire-to-board connector assembly

2. Board connector

21. Board end insulator

211. Board end docking part

212. Board terminal installation part

213. Board terminal slot

214. Board end base

215. Positioning slot

216. Slide rail

217. Positioning recess

218. Buckle slot

22. Board terminal

221. Base of board terminal

222. Suspension boom

223. Thorn Department

224. Welding Department

23. Substrate parts

231. Substrate

232. Side frame

233. Welding sheet

234 Tongue plate

235. Covering Department

24. Cover parts

241 Main board

242. Sliding part

243. Contact part

244. Guidance Department

3. Wire end connector

31. Wire end insulator

311. Line end base

312. Wire end docking part

313. Wire terminal installation part

314. First top wall

315. Second top wall

316. Positioning buckle

317. Point deduction

318. jack

32. Wire terminal

321. Base of wire end terminal

322. Contact part

323. Conductor fixing part

33. Metal shell

331. Strengthening Department

332. Card insertion part

4. Conductor

5. The default circuit board.

Detailed ways

Below in conjunction with specific embodiment the utility model is described further.

In this embodiment, referring to Figures 1-13, the wire-to-board connector assembly 1 includes a board-end connector 2 and a wire-end connector 3, wherein:

The board header 2 contains:

A board end insulator 21, the board end insulator 21 is formed with a board end docking part 211 that is docked with the wire end connector 3 on the front side, and a board end terminal mounting part 212 is provided on the opposite rear side, and a plurality of board end terminal slots 213, the board terminal mounting part 212 penetrates the board terminal docking part 211 of the board terminal base 214, and a plurality of positioning grooves 215 are provided on the side opposite to the board terminal groove 213, and the board terminal insulator of the board terminal connector 2 A slide rail 216 is respectively provided on the side walls of the two sides of 21, and a positioning concave part 217 with a buckle groove 218 is respectively provided on the two adjacent side walls of the butt joint part 211 of the board end.

A plurality of board terminals 22 are correspondingly accommodated in the board terminal groove 213. The board terminal base 221 of the board terminal 22 obliquely extends forward and upward with a suspended elastic arm 222, and the board terminal base 221 is provided with a The welding part 224 and the two side edges of the board terminal base part 221 are provided with thorn parts 223 .

A base plate part 23 is used to carry and fix on the plate end insulator 21. The two sides of the base plate 231 of the base plate part 23 are respectively provided with a side frame part 232 covering the two sides of the plate end base 214. The side frame part 232 is The base plate 231 is formed by bending upward and then inward, and a plurality of welding pieces 233 are bent outward on the longitudinal side wall of the side frame portion 232; The tongue part 234 protrudes toward the positioning groove 215 provided on the bottom wall of the board end insulator 21 , and the base plate part 23 is positioned on the board end insulator 21 through the above method.

A cover part 24 is arranged on the upper wall of the board end base 214 of the board end connector 2. The two sides of the main board 241 of the cover part 24 are bent downwards to extend the sliding part 242, and the two sides behind the sliding part 242 are An abutment portion 243 extends outwards on each side, and a guide portion 244 obliquely extends forward from the front side of the cover member 24 .

The end connector 3 contains:

A wire end insulator 31, the wire end base 311 of the wire end insulator 31 is formed with a wire end docking portion 312 docked with the board connector 2 on the front side, and a wire end terminal mounting portion 313 is provided on the opposite rear side, and the wire end terminal mounting portion 313 is provided on the opposite rear side. The end base 311 and the line end docking portion 312 are respectively provided with a first top wall 314 and a second top wall 315, and the front end two sides of the wire end docking portion 312 are respectively provided with a positioning buckle 316 with a buckle point 317, and The first top wall 314 of the cable end base 311 is provided with two jacks 318 .

A plurality of wire-end terminals 32, these wire-end terminals 32 are installed in the wire-end terminal installation part 313 and penetrated to the wire-end butt joint part 312, the wire-end terminal bases 321 of these wire-end terminals 32 extend forward with a contact part 322, the contact part 322 is set at the butt joint part 312 of the wire end, and the conductor fixing part 323 for connecting the conductor 4 is arranged behind the base part 321 of the wire end terminal.

A metal shell 33, embedded in the first top wall 314 of the wire end base 311 and the second top wall 315 of the wire end docking portion 312, the metal shell 33 extends forward and downward to guide the cover plate A reinforcement part 331 of the part 24 is located at the front end of the wire end docking part 312; two sides of the metal shell 33 are respectively provided with a card insertion part 332, and the card insertion part 332 is inserted into the first part of the wire end base 311 of the wire end insulator 31. Two jacks 318 provided by a top wall 314.

Referring to Figures 1-6, before board connector 2 is assembled, board terminal 22 of board connector 2 is inserted into board terminal groove 213 by board terminal installation part 212, and board terminal of board terminal 22 The thorn part 223 set on the base 221 enters the inner wall of the board terminal groove 213 for interference and fixation to form a positioning, the suspended elastic arm 22 of the board terminal base 221 is located on the board end docking part 211, and the welding part 224 set on the board terminal base 221 It is exposed outside the board end base 214. In this embodiment, the cover plate 24 is installed on the upper wall of the board end base 214 from top to bottom, and the two sides of the main board 241 of the cover plate 24 are bent and extended downwards. The sliding part 242 of the board-end insulator 21 is limited to slide on a slide rail 216 provided at the side walls on both sides of the board-end insulator 21; The end terminal mounting part 212 is assembled in the direction, and the side frame 232 provided on the two sides of the base plate 231 of the base plate part 23 covers the two sides of the board end base 214, and the lateral wall of the side frame part 232 extends laterally. There is a cover part 235 partially covering the slide rail 216 and an abutment area 243 respectively extending outward on two sides behind the sliding part 242. The base plate part 23 is provided with a tongue plate part 234 at the middle rear side of the base plate 231. The tongue part 234 extends toward the positioning slot 215 provided on the bottom wall of the board end insulator 21 , so that the base plate part 23 is positioned on the board end insulator 21 .

Referring to Figures 1-8, before the assembly of the wire-end connector 3, the wire-end terminal 32 of the wire-end connector 3 is positioned on the wire-end terminal installation part 313 of the wire-end insulator 31 in this embodiment by embedded molding. The contact portion 321 of the wire end terminal 32 is located at the wire end docking portion 311, and the metal shell 33 can be fixed on the first top wall 314 of the wire end base 311 and the wire end docking portion 312 by inserting or inserting. The second top wall 315 of the metal shell 33 guides the reinforcement part 331 of the cover plate 24 to be located at the front end of the wire end butt joint part 312 , and the conductor 4 is welded to the conductor fixing part 323 of the wire end connector 3 .

Referring to Figures 1-12, before the board connector 2 and the wire connector 3 of the wire-to-board connector assembly 1 are assembled with each other, the welding piece 233 of the substrate part of the additional circuit board connector 2 is welded and fixed on the On the default circuit board 5, when the wire end connector 3 is assembled on the board end connector 2 from top to bottom, the wire end terminals 32 are electrically connected to the board end terminals 22 at the corresponding positions; The two sides of the front end of the butt joint part 312 of the wire end of the connector 3 are provided with a positioning buckle part 316 inserted into the two adjacent side walls of the board end butt joint part 211. A positioning concave part 217 is respectively provided for positioning, and the buckle point 317 of the positioning buckle part 316 It is buckled and fixed with the buckle groove 218 of the positioning concave part 21, the cover part 24 slides in the direction of the cable end connector 3, and the sliding part 242 set on the two sides of the main board 241 of the cover part 24 is limited in the slide rail 216 ; When the guide part 244 on the front side of the cover part 24 slides forward and passes through the reinforcement part 331 of the line end butt joint part 312 and presses against the second top wall 314, the sliding part provided on both sides of the main board 241 of the cover part 24 243 passes through the cover part 235 of the side frame part 232, and the second top wall 314 is pressed down by the force of the cover plate part 24 against the suspended elastic arm 222 of the board end terminal 22 to pinch the wire end butt joint part 312, so that the The suspended elastic arms 222 of the wire-end terminals 32 and the board-end terminals 22 on the opposite surface of the second top wall 314 are indeed abutted against each other.

The utility model has been described in detail above. The above description is only a preferred embodiment of the utility model. When it cannot limit the scope of the utility model, all equivalent changes and modifications made according to the scope of the application should be Still belong to the scope covered by the present utility model.

Claims (11)

1. a kind of wire pair board connector assembly, including a plate terminal adapter and a line-end connector, it is characterised in that：The plate end connects It connects device and includes a plate end insulator, a plurality of plate ends terminal, a base member and a cover piece, and the plate end group of the plate end insulator Seat is formed with the plate end docking section docked with line-end connector in front side, and a plate end terminal peace is equipped on rear side of the plate end group seat Dress portion, a plurality of plate ends terminal groove is by the plate end terminal mount through plate end group seat to the plate end docking section, a plurality of plate ends Terminal correspondence is accommodated in those plate end terminal grooves；Plate end terminal base is tiltedly stretched upward forward a hanging elastic arm, and in plate end end Base is equipped with weld part, and base member carries the plate end insulator, and two side of substrate of the base member is respectively equipped with one side frame portion bag Two sides of plate end group seat are overlying on, and the cover piece is slidedly arranged at the upper wall of plate end group seat；

The line-end connector includes a line end insulator, a plurality of line end terminals and a metal shell, foregoing line end insulator Line end pedestal is formed with the line end docking section docked with the plate terminal adapter in front side, and opposite posterior is equipped with a line end terminal Mounting portion, a plurality of line end terminals are worn from the line end terminal mount to line end docking section；Line end terminal base extends forward There is a contact site, the contact site with the hanging elastic arm of the plate end terminal at the line end docking section and to be electrically connected, line end Terminal base rear is equipped with the conductor fixed part for conductor connection, and metal shell is embedded in the roof of line end pedestal and line end docking The roof in portion, the wherein metal shell are extended with a strengthening section of guiding cover piece in line end docking section front end downward forward；Line Terminal adapter is towards when being arranged on plate terminal adapter, and the roof of cover piece towards line end docking section slides, and roof is by the active force of cover piece The hanging elastic arm pinching line end docking section with plate end terminal is pressed down against, makes to be arranged on line end terminal set by roof opposite face and plate end The hanging elastic arm of terminal, which is formed, stable abuts against location structure.

2. wire pair board connector assembly according to claim 1, it is characterised in that：The plate end insulator two of plate terminal adapter A slide is respectively equipped at side, the slide is with the slipping part locating slip for bending extension downward for two side of cover piece.

3. wire pair board connector assembly according to claim 2, it is characterised in that：The side frame portion self-reference substrate of base member is upward It is bent to form inwardly again, two side of slipping part rear of cover piece extends outwardly respectively one is compressed at the horizontal wall surface in side frame portion Abutting part.

4. wire pair board connector assembly according to claim 3, it is characterised in that：The side frame portion self-reference substrate of base member is upward It is bent to form inwardly again, and when line-end connector is mounted on plate terminal adapter, cover piece made of metal is towards line end docking section Roof displacement, when cover piece sliding in the slide by strong by the metal shell of line end docking section and the cover piece Change portion compresses line end docking section and forms positioning.

5. wire pair board connector assembly according to claim 1, it is characterised in that：Two side of line end docking section front end is equipped with one Buckle is positioned, is mutually buckled combination to location indentations set by the side wall adjacent with plate end docking section.

6. wire pair board connector assembly according to claim 1, it is characterised in that：Two side of metal shell is respectively equipped with a card Interpolating unit, the card insertion portion are inserted in two jacks set by line end insulator roof.

7. wire pair board connector assembly according to claim 1, it is characterised in that：Hyoplastron is equipped among base member at rear side Portion, the locating slot set by the tongue plate portion towards the bottom wall of plate end insulator stretch into, and the base member is made to be positioned at plate end insulator.

8. wire pair board connector assembly according to claim 1, it is characterised in that：At the side frame portion longitudinal side wall of base member A plurality of welding pieces are bent with outwardly.

9. wire pair board connector assembly according to claim 1, it is characterised in that：It tiltedly stretches to have forward on front side of cover piece and draw Lead portion.

10. a kind of plate terminal adapter for wire pair board connector assembly described in claim 1, it is characterised in that：Including one Plate end insulator, a plurality of plate ends terminal, a base member and a cover piece, and the plate end group seat of the plate end insulator is in front side shape One plate end docking section of Cheng Youyu line-end connectors docking, and a plate end terminal mount is equipped on rear side of the plate end group seat, plural number A plate end terminal groove runs through plate end group seat to the plate end docking section by the plate end terminal mount, and a plurality of plate ends terminal is to receivable It is contained in those plate end terminal grooves；Plate end terminal base is tiltedly stretched upward forward a hanging elastic arm, and is equipped in plate end terminal base Weld part, the base member carry the plate end insulator, and two side of substrate of the base member is respectively equipped with one side frame portion and is coated on the plate Two sides of end group seat, and the cover piece is arranged at the upper wall of plate end group seat.

11. a kind of line-end connector for wire pair board connector assembly described in claim 1, it is characterised in that：Including one Line end insulator, a plurality of line end terminals and a metal shell, the line end pedestal of foregoing line end insulator in front side be formed with One line end docking section of plate terminal adapter docking, and opposite posterior is equipped with a line end terminal mount, a plurality of line end terminals are certainly The line end terminal mount is worn to line end docking section, those line end terminal bases are extended with a contact site, line end terminal forward Base portion rear is equipped with the conductor fixed part for conductor connection, which is embedded in the roof and the line end pair of the line end pedestal The roof of socket part, the wherein metal shell are embedded in the front end of line end docking section towards strengthening section edge is extended with.