CN201594606U - Probe type connector - Google Patents

Abstract

The utility model discloses a probe type connector, which is assembled and installed on a circuit board and comprises an insulating shell and a probe component, wherein the insulating shell is provided with a plurality of through holes which are arranged in parallel; each probe assembly is installed in a through hole, each probe assembly comprises a terminal, a spring and a probe, each terminal comprises a base part, the bottom surface of each base part is bent and extended to form a welding part, the two side surfaces of each base part are bent and extended to form clamping plates respectively, the clamping plates formed by bending and extending along the two side surfaces are symmetrical with each other, a containing area is formed between the two clamping plates, the free ends of the two clamping plates are recessed inwards to form a contact part, one end of each probe extends into the containing area and is in contact with the contact part, the other end of each probe is clamped with the through hole in a sliding mode and extends out of the through hole, the spring is contained in the containing area, one end of each spring is abutted to the probe, the other end of. The probe connector of the utility model has lower resistance value and stable telecommunication transmission.

Description

Probe connector

technical field

The utility model relates to a connector, in particular to a probe type connector.

Background technique

The structure of existing probe connectors for mobile phones, notebook computers or digital cameras generally includes: an insulating shell with a plurality of through holes and a probe assembly assembled in the insulating shell; the probe The components include: a metal sleeve whose bottom communicates with the circuit board, a spring assembled in the metal sleeve, and a probe with one end against the spring and the other end exposed outside the metal sleeve to contact the telecommunications. Wherein, one end of the probe is in conflict with the spring and in contact with the metal sleeve, so that the telecommunication transmission is directly transmitted through the metal sleeve.

However, this connection method causes a large resistance value between the metal sleeve and the probe, and between the metal sleeve and the circuit board. During the telecommunication transmission process, the excessive resistance value will cause heating problems and affect the telecommunication transmission. stability, while reducing the service life of the connector.

Utility model content

The purpose of the present utility model is to provide a probe type connector with a stable low-resistance conduction function in view of the shortcomings of the above-mentioned prior art.

In order to achieve the above purpose, the probe type connector provided by the utility model is combined and installed on the circuit board, and it includes an insulating housing and a probe assembly, and the insulating housing has several through holes arranged in parallel; each The probe assembly is installed in one of the through holes, the probe assembly includes a terminal, a spring, and a probe, the terminal includes a base, and is bent and extended along the bottom surface of the base to form a welding part, along the two sides of the base The sides are respectively bent and extended to form clamping plates, and the clamping plates formed by bending and extending along the two sides are symmetrical to each other, and an accommodating area is formed between the two clamping plates, and the free ends of the two clamping plates A contact portion is formed in the concave, one end of the probe protrudes into the accommodating area and contacts the contact portion, the other end of the probe slidably engages with the through hole and extends out of the through hole, so The spring is accommodated in the accommodating area, one end of the spring is in conflict with the probe, the other end of the spring is in conflict with the base, and the welding part protrudes from the through hole and is in contact with the Said circuit board soldering.

As mentioned above, the free ends of the two clamping plates of the terminal of the probe type connector of the present invention are recessed to form a contact part, and the contact part contacts with the side wall of the probe to form a point-to-point conduction, thereby reducing the resistance value during conduction. When the connector is in use, it will not cause heating problems due to excessive resistance, and at the same time it has a stable contact conduction function, and the welding part of the terminal provides a good welding position, so that the terminals are respectively welded to the contacts of the circuit board. The point connection between the welding part and the circuit board has a small resistance value and stable contact conduction. Therefore, the telecommunication transmission of the probe type connector of the utility model is stable and has a long service life.

Description of drawings

Fig. 1 is a perspective view of the connection between the probe connector of the present invention and the circuit board.

Fig. 2 is a perspective view of the probe connector of the present invention.

FIG. 3 is a bottom view of the probe connector shown in FIG. 2 .

FIG. 4 is an exploded perspective view of the probe connector shown in FIG. 2 .

FIG. 5 is a perspective view of a probe assembly of the probe connector shown in FIG. 2 .

FIG. 6 is a top view of the probe assembly shown in FIG. 5 .

The reference signs in the figure are explained as follows:

Probe Connector 1 Circuit Board 10

Probe Assembly 20 Terminals 21

Base 211 Welding 212

Clamping plate 213 contact part 214

Mounting block 215 spring 22

Probe 23 Front-end connection part 231

Back-end conduction part 232 Blocking part 233

Insulation shell 30 Joint surface 301

Mating surface 302 Through hole 303

Sliding groove 304 Installation groove 305

Slot 306 Connecting post 307

Fixing piece 40 Engaging part 401

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Please refer to Figures 1-4, the probe connector 1 of the present utility model is combined and installed on the circuit board 10, and it includes a probe assembly 20 and an insulating housing 30. The insulating housing 30 has a joint surface 301 and a mating surface 302. The surface 302 is used to cooperate with the circuit board 10, and the joint surface 301 is used to cooperate with the probe assembly 20. A plurality of through holes 303 are arranged in parallel on the joint surface 301. In this embodiment, the joint surface 301 is provided with Five through holes 303, the walls of the through holes 303 are provided with sliding grooves 304 and mounting grooves 305; on the mating surface 302 of the insulating housing 30, two slots 306 are arranged side by side, and the slots 306 run through the insulating housing 30 , the slot 306 is used to install the fixing piece 40, one end of the fixing piece 40 is engaged with the insulating housing 30, the other end of the fixing piece 40 passes through the slot 306 and protrudes from the slot 306, on the mating surface 302 There are also two connecting posts 307 protruding from the top, and the insulating housing 30 is fixedly connected to the circuit board 10 through the connecting posts 307 and the fixing piece 40 protruding from the slot 306 .

As shown in Figures 4-6, the probe assembly 20 is installed in the through hole 303 of the insulating housing 30, the probe assembly 20 includes a terminal 21, a spring 22 and a probe 23, the terminal 21 has a plate-shaped base 211, from the base 211 The bottom surface of the base is bent and extended to form a welding part 212. The welding part 212 is perpendicular to the base part 211, and is bent and extended along the two sides of the base part 211 to form a clamping plate 213. The clamping plate 213 and the welding part 212 are respectively located on both sides of the base part 211. The clamping plates 213 formed by bending and extending along the two sides are symmetrical to each other and an accommodating area is formed between the two clamping plates 213. The free ends of the clamping plates 213 are concaved to form a contact portion 214, which is used for contacting the probe. 23 contacts to reach the electrical connection, the mounting block 215 that protrudes from the clamping plate 213 and the mounting groove 305 of the through hole 303 matches, and the two clamping plates 213 extend into the through hole 303 during installation, the installation of the clamping plate 213 The block 215 is installed in cooperation with the mounting groove 305 of the through hole 303, the base 211 is in conflict with the through hole 303, and the welding part 212 is located outside the through hole 303 for welding with the circuit board 10; the spring 22 is accommodated between the two clamping plates 213 In the accommodating area, one end of the spring 22 is in contact with the base 211, and the other end of the spring 22 is in contact with the probe 23; one end of the probe 23 extends into the accommodating area between the two clamping plates 213 and contacts the contact portion 214 While contradicting the spring 22, the other end of the probe 23 is slidably engaged with the through hole 303 and extends out of the through hole 303. When the probe 23 is pressed by the battery, it can slide along the through hole 303. Specifically, The probe 23 includes a front-end connecting portion 231 and a rear-end conducting portion 232. The rear-end conducting portion 232 has a blocking portion 233 protruding outward, and the blocking portion 233 is slidably engaged in the sliding groove 304 of the through hole 303. The rear end conducting part 232 of the probe 23 extends into the accommodation area between the two clamping plates 213 and contacts the contact part 214, one side of the blocking part 233 is in conflict with the spring 22, and the other side of the blocking part 233 In conflict with the through hole 303 , the front end connection portion 231 of the probe 23 extends out of the through hole 303 for electrical connection with external devices.

As shown in Figure 3-4, the utility model probe connector 1 also includes a fixed piece 40, the upper end of the fixed piece 40 has an engaging portion 401, the lower end of the fixed piece 40 passes through the slot 306 of the insulating shell 30 and Stretch out the slot 306, the engaging part 401 on the upper end of the fixing piece 40 is engaged with the insulating housing 30, and the insulating housing 30 is connected to the circuit through the connecting column 307 and the fixing piece 40 protruding from the slot 306. 10 boards are fixedly connected, and the fixing piece 40 is used to strengthen the welding strength between the probe connector 1 and the circuit board 10 .

1-4, when the probe connector 1 of the present invention is assembled, the assembled probe assembly 20 is inserted into the through hole 303 from the joint surface 301 of the insulating shell 30, so that the clamping plate 213 of the terminal 21 Cooperate with the installation groove 305 of the through hole, the base 211 of the terminal 21 is in conflict with the through hole 303, and the welding part 212 of the terminal 21 is located outside the through hole 303, and makes the front end connecting part 231 of the probe 23 slide out of the through hole 303, at this time, the clamping plate 213 of the terminal 21, the spring 22 and the rear end conduction part 232 of the probe 23 are all located inside the through hole 303, and the blocking part 233 of the probe 23 is installed in cooperation with the sliding groove 304 of the through hole, and blocks One side of the part 233 engages with the through hole 303, and the other side of the blocking part 233 is in conflict with the spring 22, and the rear-end conducting part 232 of the probe 23 extends into the accommodating area between the two clamping plates 213 and In contact with the contact portion 214; the spring 22 is accommodated in the accommodation area between the two clamping plates 213, one end of the spring 22 is in conflict with the blocking portion 233 on the probe 23, and the other end is in conflict with the base 211 of the terminal 21 After the probe connector 1 is assembled, it is installed on the circuit board 10, specifically, the connecting column 307 on the mating surface 302 of the insulating housing 30 is installed in the mounting hole on the circuit board 10, so that The two are matched and connected, and the welding part 212 of the probe connector 1 is welded to the contact on the circuit board 10, and then the lower end of the fixing piece 20 passes through the slot 306 of the insulating housing 30 and extends out of the slot 306 and When the circuit board 10 is connected, the engagement portion 401 on the upper end of the fixing piece 20 is in conflict with the insulating housing 30, and the insulating housing 30 is fixedly connected to the circuit board 10 through the connecting column 307 and the fixing piece 40 protruding from the slot 306. , the fixing piece 40 further fixes the connection between the probe connector 1 and the circuit board 10 , and strengthens the welding strength between the probe connector 1 and the circuit board 10 .

In summary, the welding portion 212 of the terminal 21 of the probe connector 1 of the present invention provides a good welding position, so that the terminals 21 are respectively welded to the contacts on the circuit board 10, reducing the resistance value between the two and The contact conduction is stable; the two clamping plates 213 of the terminal 21 are recessed to form a contact part 214, and the contact part 214 is in contact with the side wall of the probe to form a point-to-point conduction, thereby reducing the contact between the probe 23 and the terminal 21 during conduction. resistance value, so that the probe connector 1 will not cause heating problems due to excessive resistance value during use, and has a stable contact conduction function. Therefore, the telecommunications transmission of the probe connector 1 of the utility model is stable. long lasting.

Claims (7)

1. A probe type connector, which is combined and mounted on a circuit board, is characterized in that, comprising: an insulating casing, the insulating casing has several through holes opened in parallel; Probe assembly, each of the probe assemblies is installed in one of the through holes, the probe assembly includes a terminal, a spring and a probe, the terminal includes a base, and is bent and extended along the bottom surface of the base to form a welding portion , bending and extending along the two sides of the base to form clamping plates, the clamping plates formed by bending and extending along the two sides are symmetrical to each other, and an accommodating area is formed between the two clamping plates, the two The free end of the clamping plate is recessed to form a contact portion, one end of the probe protrudes into the accommodating area and contacts with the contact portion, and the other end of the probe slidably engages with the through hole and extends out of the through hole, the spring is accommodated in the accommodating area, one end of the spring is in conflict with the probe, the other end of the spring is in conflict with the base, and the welding part protrudes The through hole is welded with the circuit board. 2. The probe connector according to claim 1, characterized in that: the welding part of the terminal and the clamping plate are respectively located on both sides of the base, the welding part is perpendicular to the base, and vertical on the two clamping plates. 3. The probe connector according to claim 1, wherein the probe comprises a front connecting part and a rear conducting part, and the rear conducting part has a blocking part protruding outward, The rear conducting portion protrudes into the accommodating area and is in contact with the contact portion, one side of the blocking portion is in contact with the spring, and the other side of the blocking portion is in contact with the through hole Slidingly engaged, the front connecting portion protrudes out of the through hole for electrical connection with external equipment. 4 . The probe connector according to claim 1 , wherein a sliding groove is defined on a wall of the through hole, and the blocking portion is slidably engaged in the sliding groove. 5 . The probe connector according to claim 1 , wherein a mounting groove is formed on a wall of the through hole, and a mounting block matching the mounting groove protrudes from the clamping plate. 5 . 6. The probe type connector according to claim 1, further comprising a fixing piece, a slot corresponding to the fixing piece is opened on the insulating housing, and the slot runs through the An insulating housing, one end of the fixing piece is engaged with the insulating housing, and the other end of the fixing piece passes through the slot and extends out of the slot. 7. The probe connector according to claim 6, wherein the insulating housing has a mating surface mated with the circuit board, the slot runs through the mating surface, and the mating surface There is a protruding connecting column on the top, and the insulating housing is fixedly connected with the circuit board through the connecting column and the fixing piece protruding from the slot.

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