Laterally-mounted probe-type electric connector

Abstract

The utility model provides a laterally-installed probe type electric connector, which comprises an insulating structural member, a plurality of probe terminals, a plurality of connecting terminals and a filling combination material. The insulating structural member is provided with a plurality of accommodating grooves penetrating through the front surface and the rear surface and a filling groove with an opening in the top surface, and the filling groove is communicated with the plurality of accommodating grooves. The plurality of probe terminals are respectively arranged in the plurality of accommodating grooves, each probe terminal comprises a probe shaft, a probe tube and a spring, the probe shaft is movably combined with the probe tube, the spring abuts against the probe shaft and the probe tube, and the probe shaft and part of the probe tube protrude out of the front surface of the insulating structural member. Each connecting terminal is provided with a combination part and a welding part, the combination part is combined with the needle tube of the probe terminal, and the welding part clamps a circuit board and is welded on the circuit board. The filling and combining material is filled in the filling groove and the accommodating groove and is combined with the plurality of probe terminals and the plurality of connecting terminals.

Description

Technical Field

[0001] The utility model relates to a probe type electrical connector, in particular to a side-mounted probe type electrical connector. Background Art

[0002] The probe type electrical connector is a commonly used electrical connector currently, which is widely used in various electronic devices. The probe type electrical connector has a probe terminal, which includes a needle shaft, a spring and a needle tube. The needle shaft is movably arranged in the needle tube via the spring to form an electrical connection with the needle tube. The needle tube is welded to the circuit board to form an electrical connection with the circuit board. The needle shaft contacts the electronic device to form an electrical connection with the circuit board.

[0003] The current lateral probe-type electrical connector can only be used for board-type welding due to the columnar structure of the probe terminal itself, and cannot be used for clamping board welding. Utility Model Content

[0004] In view of this, the purpose of the present invention is to provide a side-mounted probe-type electrical connector, which solves the problem that the current side-mounted probe-type electrical connector cannot be applied to clamping board welding by means of a connecting terminal with a clamping structure.

[0005] The utility model provides a side-mounted probe-type electrical connector, comprising an insulating structural member, a plurality of probe terminals, a plurality of connecting terminals and a filling binder. The insulating structural member has a plurality of accommodating grooves penetrating the front surface and the rear surface and a filling groove opening on the top surface, and the filling groove is connected to the plurality of accommodating grooves. The plurality of probe terminals are respectively arranged in the plurality of accommodating grooves, and each probe terminal comprises a needle shaft, a needle tube and a spring, the needle shaft is movably combined with the needle tube, the spring abuts against the needle shaft and the needle tube, and the needle shaft and part of the needle tube protrude from the front surface of the insulating structural member. Each connecting terminal has a combining portion and a welding portion, the combining portion is combined with the needle tube of the probe terminal, and the welding portion clamps a circuit board and is welded to the circuit board. The filling binder is filled in the filling groove and the accommodating groove, and is combined with the plurality of probe terminals and the plurality of connecting terminals.

[0006] In another embodiment, the insulating structure also includes a plurality of first positioning grooves, which are respectively formed at the openings of the accommodating grooves on the front surface. Each probe terminal also includes a stop flange, which is arranged on the outer peripheral surface of the needle tube. The annular stop flange abuts against the first positioning groove, so that each probe terminal is positioned on the front surface of the insulating structure.

[0007] In another embodiment, the first positioning groove is a circular groove, and the stop flange is an annular flange.

[0008] In another embodiment, the insulating structure also includes a plurality of second positioning grooves, which are respectively formed at the opening of each accommodating groove on the rear surface, and each connecting terminal also includes a stop positioning protrusion, which abuts against the second positioning groove to position each connecting terminal on the rear surface of the insulating structure.

[0009] In another embodiment, the second positioning groove is a linear groove, and the stop positioning protrusion has a block structure.

[0010] In another embodiment, the edge of the second positioning groove is chamfered.

[0011] In another embodiment, the welding portion of the connecting terminal has a first clamping structure, which includes a first clamping arm and a second clamping arm arranged opposite to each other. The first clamping arm and the second clamping arm respectively abut against two opposite surfaces of the circuit board to clamp the circuit board and weld to the solder pad of the circuit board.

[0012] In another embodiment, the connecting portion of the connecting terminal has a second clamping structure, which includes a third clamping arm and a fourth clamping arm arranged opposite to each other. The third clamping arm and the fourth clamping arm respectively abut against the needle tube of the probe terminal to clamp the probe terminal and form an electrical connection with the probe terminal.

[0013] In another embodiment, the outer peripheral surface of the needle tube of the probe terminal that contacts the second clamping structure is smooth.

[0014] In another embodiment, a pair of wing portions are respectively provided on opposite sides of the insulating structure, each pair of wing portions has two wing plates, and a spacing is provided between the two wing plates for accommodating the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a perspective view of the first embodiment of the side-mounted probe-type electrical connector of the utility model.

[0016] Figure 2 yes Figure 1 A perspective view of a side-mounted probe-type electrical connector with the circuit board removed.

[0017] Figure 3 yes Figure 2 A stereoscopic view of a side-mounted probe-type electrical connector from another perspective.

[0018] Figure 4 yes Figure 2 A perspective exploded view of a side-mounted probe-type electrical connector.

[0019] Figure 5 yes Figure 1 A cross-sectional view of a side-mounted probe-type electrical connector.

[0020] Explanation of the reference numerals: 10-insulating structural member; 11-front surface; 12-rear surface; 13-accommodating groove; 14-second positioning groove; 15-wing plate portion; 16-top surface; 17-filling groove; 18-first positioning groove; 20-probe terminal; 21-needle shaft; 22-needle tube; 23-spring; 30-connecting terminal; 31-body; 32-joining portion; 33-welding portion; 34-stop positioning protrusion; 40-filling bonding material; 151-wing plate; 221-stop flange; 321-third clamping arm; 322-fourth clamping arm; 331-first clamping arm; 332-second clamping arm; P-circuit board. DETAILED DESCRIPTION

[0021] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , which shows an embodiment of the side-mounted probe-type electrical connector of the present invention. The side-mounted probe-type electrical connector of this embodiment includes an insulating structure 10 , a plurality of probe terminals 20 , a plurality of connecting terminals 30 and a filling bonding material 40 .

[0022] The insulating structure 10 has a plurality of receiving grooves 13 penetrating the front surface 11 and the rear surface 12 and a filling groove 17 opened at the top surface 16, and the filling groove 17 is connected to the plurality of receiving grooves 13. The receiving groove 13 is used to receive the probe terminal 20, so the shape of the receiving groove 13 is matched with the shape of the probe terminal 20. The front surface 11 of the insulating structure 10 is provided with a first positioning groove 18 connected to the receiving groove 13 at the opening of the receiving groove 13, and the rear surface 12 of the insulating structure 10 is provided with a plurality of second positioning grooves 14 connected to the receiving groove 13 at the opening of the receiving groove 13. The receiving groove 13 is opened at the bottom of the first positioning groove 18 on the front surface 11, and the receiving groove 13 is opened at the bottom of the second positioning groove 14 on the rear surface 12. The first positioning groove 18 of this embodiment is a circular groove, and the second positioning groove 14 is a linear groove. A pair of wing portions 15 are respectively provided on opposite sides of the insulating structure 10, each pair of wing portions 15 has two wing plates 151, and a gap is provided between the two wing plates 151 for accommodating a circuit board. The circuit board can be provided with a notch at the edge, the insulating structure 10 is accommodated in the notch of the circuit board, and the two pairs of wing portions 15 respectively clamp the circuit board.

[0023] A plurality of probe terminals 20 are respectively disposed in the receiving groove 13. Each probe terminal 20 includes a needle shaft 21, a needle tube 22 and a spring 23 (such as Figure 5As shown in FIG. 1 , the needle shaft 21 is movably coupled to the needle tube 22, and the spring 23 abuts against the needle shaft 21 and the needle tube 22, so that the needle shaft 21 can be pushed and moved in the needle tube 22 and can be reset. The needle shaft 21 and part of the needle tube 22 protrude from the front surface 11 of the insulating structure 10. Each probe terminal 20 also includes a stop flange 24, which is disposed on the outer peripheral surface of the needle tube 22. The stop flange 24 of this embodiment is annular, and the stop flange 221 abuts against the groove wall and bottom of the first positioning groove 18, so that the probe terminal 20 is positioned on the front surface 11 of the insulating structure 10.

[0024] Each connection terminal 30 has a body 31, a coupling portion 32 and a welding portion 33, and the coupling portion 32 and the welding portion 33 are respectively arranged on opposite sides of the body 31. The coupling portion 32 is coupled to the needle tube 22 of the probe terminal 20, and is arranged in the receiving groove 13 along with the needle tube 22. Each connection terminal 30 further has at least one stopper positioning protrusion 34, which protrudes from opposite sides of the body 31 and is perpendicular to the welding portion 33. When the connection terminal 30 is inserted into the receiving groove 13 along with the probe terminal 20, the stopper positioning protrusion 34 is engaged and abuts against the groove wall and bottom of the second positioning groove 14, thereby positioning the connection terminal 30 on the rear surface 12 of the insulating structure 10 on the one hand, and limiting the probe terminal 20 and the connection terminal 30 on the other hand to prevent rotation. The welding portion 33 clamps the circuit board P and is welded to the circuit board P.

[0025] The soldering portion 33 of the connecting terminal 30 has a first clamping structure, which includes a first clamping arm 331 and a second clamping arm 332 that are arranged opposite to each other. The first clamping arm 331 and the second clamping arm 332 respectively abut against two opposite surfaces of the circuit board P to clamp the circuit board P and solder to the solder pad of the circuit board P.

[0026] The joint portion 32 of the connection terminal 30 has a second clamping structure, and the second clamping structure includes a third clamping arm 321 and a fourth clamping arm 322 arranged opposite to each other. The third clamping arm 321 and the fourth clamping arm 322 are respectively in contact with the needle tube 22 of the probe terminal 20 to clamp the probe terminal 20 and form an electrical connection with the probe terminal 20. The outer peripheral surface of the needle tube 22 of the probe terminal 20 in this embodiment that contacts the second clamping structure is smooth.

[0027] When the probe terminal 20 is inserted into the receiving groove 13 and positioned on the front surface 11 of the insulating structure 10, and the connecting terminal 30 is inserted into the receiving groove 13 and positioned on the rear surface 12 of the insulating structure 10, the filling bonding material 40 is filled in the filling groove 17 and the plurality of receiving grooves 13 by a dispensing process or an insert molding process. The filling bonding material 40 can be an adhesive material or a plastic. The insert molding process can be a low-pressure injection molding process. By filling the filling bonding material 40 in the filling groove 17 and the plurality of receiving grooves 13, the probe terminal 20 and the connecting terminal 30 are combined with the insulating structure 10 and fixed to the insulating structure 10.

[0028] The side-mounted probe-type electrical connector of the utility model is combined with the probe terminal by means of a connection terminal having a clamping structure, thereby realizing a structure for clamping the circuit board for welding, solving the problem that the existing probe-type electrical connector can only be used for board-mounted welding and cannot be used for clamping board welding. In addition, the first axis of the mutually combined probe terminal and the second axis of the connection terminal are staggered, so that the position where the probe terminal contacts the electronic device is staggered with the center of the rear circuit board, thereby expanding the application of the utility model.

[0029] What is described above is only the preferred embodiment of the utility model, and it should not be used to limit the scope of the implementation of the utility model. That is, all simple equivalent changes and modifications made according to the content of the utility model specification are still within the scope of the utility model patent. In addition, any embodiment or claim of the utility model does not need to achieve all the purposes, advantages or features disclosed in the utility model. In addition, the terms "first", "second" and so on mentioned in the utility model specification are only used to name the name of the element or distinguish different embodiments or scopes, and are not used to limit the upper or lower limit of the number of elements.

Claims

1. A side-mounted probe-type electrical connector, characterized in that: include: An insulating structure having a plurality of accommodating grooves penetrating the front surface and the rear surface and a filling groove opened at the top surface, the filling groove being connected to the plurality of accommodating grooves; A plurality of probe terminals are respectively disposed in the plurality of accommodating grooves, each of the probe terminals comprises a needle shaft, a needle tube and a spring, the needle shaft is movably coupled to the needle tube, the spring abuts against the needle shaft and the needle tube, and the needle shaft and a portion of the needle tube protrude from the front surface of the insulating structure; A plurality of connection terminals, each of which has a combining portion and a welding portion, the combining portion is combined with the needle tube of the probe terminal, and the welding portion clamps a circuit board and is welded to the circuit board; A filling bonding material is filled in the filling groove and the plurality of receiving grooves, and is bonded to the plurality of probe terminals and the plurality of connecting terminals.

2. The side-mounted probe-type electrical connector according to claim 1, wherein: The insulating structural component also includes a plurality of first positioning grooves, which are respectively formed at the opening of each of the accommodating grooves on the front surface. Each of the probe terminals also includes a stop flange, which is arranged on the outer peripheral surface of the needle tube. The stop flange abuts against the first positioning groove, so that each of the probe terminals is positioned on the front surface of the insulating structural component.

3. The side-mounted probe-type electrical connector according to claim 2, wherein: The first positioning groove is a circular groove, and the stop flange is an annular flange.

4. The side-mounted probe-type electrical connector according to claim 1 or 2, characterized in that: The insulating structure also includes a plurality of second positioning grooves, which are respectively formed at the opening of each accommodating groove on the rear surface. Each connecting terminal also includes a stop positioning protrusion, which abuts against the second positioning groove to position each connecting terminal on the rear surface of the insulating structure.

5. The side-mounted probe-type electrical connector according to claim 4, wherein: The second positioning groove is a linear groove, and the stop positioning protrusion has a block structure.

6. The side-mounted probe-type electrical connector according to claim 5, wherein: The edge of the second positioning groove is chamfered.

7. The side-mounted probe-type electrical connector according to claim 1, wherein: The welding portion of the connecting terminal has a first clamping structure, which includes a first clamping arm and a second clamping arm arranged opposite to each other. The first clamping arm and the second clamping arm are respectively abutted against two opposite surfaces of the circuit board to clamp the circuit board and weld to the soldering pad of the circuit board.

8. The side-mounted probe-type electrical connector according to claim 1, wherein: The joint portion of the connecting terminal has a second clamping structure, which includes a third clamping arm and a fourth clamping arm that are relatively arranged. The third clamping arm and the fourth clamping arm are respectively abutted against the needle tube of the probe terminal to clamp the probe terminal and form an electrical connection with the probe terminal.

9. The side-mounted probe-type electrical connector according to claim 8, wherein: The outer peripheral surface of the needle tube of the probe terminal in contact with the second clamping structure is smooth.

10. The side-mounted probe-type electrical connector according to claim 1, wherein: A pair of wing plate parts are respectively arranged on opposite sides of the insulating structure, each pair of wing plate parts has two wing plates, and a spacing is provided between the two wing plates for accommodating the circuit board.

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