CN107887729B

CN107887729B - Multifunctional connector and electrical detection method

Info

Publication number: CN107887729B
Application number: CN201711058447.4A
Authority: CN
Inventors: 张伙强; 许振强; 郭小萍
Original assignee: Xiamen Wain Electrical Co ltd
Current assignee: Xiamen Wain Electrical Co ltd
Priority date: 2017-11-01
Filing date: 2017-11-01
Publication date: 2023-09-01
Anticipated expiration: 2037-11-01
Also published as: CN107887729A

Abstract

The utility model provides a multifunctional connector and electrical detection method, includes casing, a plurality of connecting piece (10) and a plurality of contact (20), and this a plurality of connecting piece (10) and a plurality of contact (20) are installed in the casing and one-to-one, and this connecting piece (10) is connected its characterized in that with the contact (20) that corresponds electrically conductive: one end of the connecting piece (10) is provided with an elastic plug-in connection part; the shell is provided with a plug hole (41), and the plug hole (41) is communicated with the elastic plug part so that the detection probe (60) can be plugged with the elastic plug part after passing through the plug hole to realize detection; the bridge rack (30) is provided with a conductive part, and the conductive part can be controlled to pass through the plug hole (41) to be plugged with the elastic plug parts of at least two connecting pieces (10) so as to realize bridging. The invention has simple structure, convenient and quick construction operation of the modularized bridging frame, good overall stability and anti-seismic performance, compact structure and originality.

Description

Multifunctional connector and electrical detection method

Technical Field

The invention relates to the field of connectors, in particular to a multifunctional connector and an electrical detection method.

Background

Conventional connectors have only a mating function, and when two of the contacts need to be shorted, their own wiring function needs to be sacrificed, and when a plurality of the contacts need to be shorted, the construction situation becomes more complicated. And the connector circuit cannot be detected by using a detection device (such as a universal meter) after the conventional connector is mounted on the cabinet, so that the field operation is difficult.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides the multifunctional connector and the electrical detection method which are compatible with the bridging function and the universal meter detection function, simple and reliable, convenient and quick in construction operation and good in stability and anti-seismic performance.

The invention adopts the following technical scheme:

the utility model provides a multifunctional connector, includes casing, a plurality of connecting piece 10 and a plurality of contact 20, and this a plurality of connecting piece 10 and a plurality of contact 20 are installed in the casing and one-to-one, and this connecting piece 10 is connected its characterized in that with the contact 20 that corresponds electrically conductively: an elastic plug-in connection part is arranged at one end of the connecting piece 10; the shell is provided with a plug hole 41, and the plug hole 41 is communicated with the elastic plug part so as to realize detection by plugging the detection probe 60 with the elastic plug part after passing through; the bridge frame 30 is provided with a conductive part which can be controlled to be inserted into the elastic insertion parts of at least two connecting pieces 10 through the insertion holes 41 so as to realize bridging.

Preferably, the elastic plug portion includes two elastic arms 11, the two elastic arms 11 extend upward along one end of the bottom of the connecting piece 10, the distance between the two elastic arms 11 is small in the middle and large on two sides, and the minimum distance between the two elastic arms 11 is smaller than the width of the conductive portion; the elastic arm 11 is provided with a flat surface near the middle to make surface contact with the conductive part or the detection probe 60.

Preferably, a protrusion 33 is provided on the outer side of the conductive portion, and when the conductive portion passes through the plugging hole 41, the protrusion 33 is in interference fit with the plugging hole 41.

Preferably, the connector slot 43 is further included, and the connector slot 43 is located at the top end of the connector slot 41 and is in communication with the connector slot to guide the conductive portion or the detection probe 60 into the connector slot 41, and a gap is provided between the protrusion 33 and the sidewall of the connector slot 43 when the conductive portion passes through the connector slot 43.

Preferably, the sidewall at the bottom of the plugging hole 41 is provided with a relief groove 46 to be in clearance fit with the protrusion 33 when bridging; the relief groove 46 is provided at its top end with a radially extending ramp 47 to limit the projection 33 when bridged.

Preferably, the plugging hole 41 is a square hole, and two opposite side walls thereof are provided with concave arc walls 44 to adapt to the detection probe 60.

The utility model provides an electrical detection method of connector, this connector includes casing, a plurality of connecting piece 10 and a plurality of contact 20, and this a plurality of connecting piece 10 and a plurality of contact 20 are installed in the casing and one-to-one, and this connecting piece 10 is connected with the contact 20 that corresponds, its characterized in that: an elastic plug-in connection part is added on the connecting piece 10; and corresponding plug holes 41 are formed in the shell; the detection is achieved by inserting the detection probes 60 into the insertion holes 41 to be inserted into the elastic insertion parts, or bridging is achieved by inserting the bridging frame 30 into the elastic insertion parts of at least two connectors 10 through the insertion holes 41.

Preferably, the other end of the connecting piece 10 is provided with a rear tab 13; a cage spring 14 is also included, and the cage spring 14 is connected with the rear tab 13 to connect the wires.

Preferably, the bridge frame 30 further includes an insulating portion 31, and the insulating portion 31 is fixed to the top end of the conductive portion and has an operation hole; the conductive portion includes at least two pins 32.

Preferably, the housing includes an upper cover 40 and a main body 50, and the plugging hole 41 is formed on the upper cover 40; the connector 10 and the contact 20 are located on the body 50.

As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:

1. according to the connector and the electrical detection method, the elastic plug-in part is added on the conventional connector; the shell is provided with corresponding plug holes; the detection probe is inserted into the inserting hole to be inserted into the elastic inserting part to realize detection, or the bridging frame is adopted to penetrate through the inserting hole to be inserted into the elastic inserting part of at least two connecting pieces to realize bridging, so that the structure is simple, the modularized bridging frame is convenient and quick to construct, the overall stability and the earthquake resistance are good, and the structure is compact and creative.

2. The elastic plug-in part of the connector comprises two elastic arms, the distance between the tops of the two elastic arms is larger than that of the middle part, the connector can play a role in guiding, a plane which is in surface contact with the conductive part of the bridging frame or the detection probe is arranged near the middle position, the effective contact area is large, and the bridging is more stable and reliable.

3. According to the connector disclosed by the invention, the shell is provided with the inserting grooves, the giving way grooves and the like, the conductive part of the bridging frame is provided with the protrusions, the conductive part of the bridging frame is in interference fit with the corresponding structure of the shell from guide in the bridging process, then in clearance fit, and when the bridging is in place, the insulating part of the bridging frame collides with the end face of the upper cover, so that clicking sounds can be generated, the assembly is in place, and the user experience effect is good.

4. According to the connector disclosed by the invention, the inclined surface is arranged at the position, close to the bottom, of the plug hole, and when the bridge frame moves upwards in the bridging position, the bulge and the inclined surface are still in interference fit, so that the bridge frame can be effectively prevented from falling off in a vibration environment.

5. According to the connector disclosed by the invention, the plugging hole is a square hole, and the two opposite side walls of the connector are provided with the concave arc-shaped walls so as to be matched with the detection probes, namely, the connector is provided with round holes in a compatible manner, so that bridging and universal meter detection functions are further ensured.

6. According to the connector, the insulating part of the bridging frame is provided with the operation hole so as to be convenient to pull out; the number of pins of the bridging frame is not unique, and bridging of a plurality of contact pieces can be realized by adopting one bridging frame, or bridging of a plurality of single contact pieces can be realized by adopting a plurality of bridging frames; different pin distances can also be provided according to the difference of the transverse bridging mode or the longitudinal bridging mode.

7. The connector and the method of the invention can be compatible with the bridging function and the electric measurement function between different contact pieces on the basis of not affecting the original wiring function, and can be realized even if the connector is filled with wires.

Drawings

FIG. 1 is a perspective view of a connector of the present invention;

FIG. 2 is a cross-sectional view of a connector of the present invention;

FIG. 3 is a perspective view of a connector of the present invention (including a bridge rack);

FIG. 4 is a top view of the upper cover of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4;

FIG. 6 is a cross-sectional view of the upper cover;

FIG. 7 is an enlarged view of a portion of FIG. 6;

FIG. 8 is a bottom view of the upper cover;

FIG. 9 is an enlarged view of a portion of FIG. 8;

FIG. 10 is a side view of a connector;

FIG. 11 is a perspective view of a connector;

FIG. 12 is a perspective view of a connector;

FIG. 13 is a diagram of the connection relationship of the connectors;

FIG. 14 is a perspective view of a bridge;

FIG. 15 is a perspective view (transverse) of a bridge;

FIG. 16 is a perspective view (longitudinal) of a bridge;

FIG. 17 is a state diagram of a bridging process according to the present invention;

FIG. 18 is an enlarged view of a portion of FIG. 17;

FIG. 19 is a state diagram of a bridging process according to the present invention;

FIG. 20 is an enlarged view of a portion of FIG. 19;

FIG. 21 is a bridging state diagram of the present invention;

FIG. 22 is an enlarged view of a portion of FIG. 21;

fig. 23 is a bridge state perspective view (lateral);

fig. 24 is a perspective view (longitudinal direction) of the bridge state;

FIG. 25 is a state diagram (portrait) of a bridging process;

FIG. 26 is a bridging state diagram (portrait);

FIG. 27 is a schematic illustration of detection of a detection probe;

FIG. 28 is a diagram showing the detection state of the detection probe;

FIG. 29 is an enlarged view of a portion of FIG. 28;

wherein: 10. the connector comprises a connecting piece, 11, an elastic arm, 12, a plane, 13, a rear connecting piece, 14, a cage-shaped elastic piece, 15, a through hole, 20, a contact piece, 30, a bridging frame, 31, an insulating part, 32, a pin, 33, a bulge, 34, an operation hole, 40, an upper cover, 41, a wiring hole, 42, a plug hole, 43, a plug groove, 44, an arc-shaped wall, 45, a separation column, 46, a yielding groove, 47, an inclined plane, 50, a main body, 51, a mounting groove, 52, a mounting hole, 60, a detection probe, 61 and a conductive head.

Detailed Description

The invention is further described below by means of specific embodiments.

Referring to fig. 1 to 29, a multifunctional connector includes a housing, a plurality of connection members 10, a plurality of contact members 20, and a bridge 30. The housing is an insulating housing that includes an upper cover 40 and a main body 50. The upper cover 40 is provided with a plurality of wiring holes 41 and a plurality of plug holes 42 which penetrate through, the wiring holes 41 are arranged at intervals along the transverse direction and the longitudinal direction, and each wiring hole 41 is matched with one plug hole 42.

The plurality of plug holes 42 are also arranged in the transverse direction and the longitudinal direction. The plugging hole 42 is a square hole, and two opposite side walls thereof are provided with concave arc walls 44, i.e. a round hole is compatibly arranged. The housing is also provided with a plurality of inserting grooves which are arranged at the top ends of the inserting holes 42 in a one-to-one correspondence manner and are communicated with the inserting holes. The plugging grooves 43 are square grooves, the length and the width of the plugging grooves are larger than the inner diameter of the plugging holes 42, and the side walls of two adjacent plugging grooves 43 are used as isolation columns 45 and pass through the corresponding plugging holes 42 to improve the creepage distance. The sidewall at the bottom of the plugging hole 42 is provided with a relief groove 46, the top of the relief groove 46 is provided with a radially extending inclined surface 47, and the number of the inclined surfaces 47 is not unique, and can be two, four, etc.

The main body 50 includes a plurality of mounting grooves 51, and the plurality of mounting grooves 51 are arranged in a lateral direction and a longitudinal direction. When the upper cover 40 is fixed to the main body 50, one of the mounting grooves 51 communicates with one of the wiring holes 41 and the plugging hole 42, respectively. A mounting hole 52 is provided at the bottom of each mounting groove 51. The plurality of contact members 20 are fixedly arranged on the mounting holes 52 in a one-to-one correspondence. The contact 20 may be a socket or pin.

Referring to fig. 10 to 13, the plurality of connectors 10 are mounted in the plurality of mounting slots 51 in a one-to-one correspondence and are provided with corresponding cage-type spring plates 14. The connector 10 has an elastic plug part at one end and a rear tab 13 at the other end, and a through hole 15 near the middle for pressure connection with the end of the contact 20. The elastic plug-in part comprises two elastic arms 11, wherein the two elastic arms 11 extend upwards along one end of the bottom of the connecting piece 10 and are aligned with a plug-in hole 42, a plane 12 is arranged near the middle part of the elastic plug-in part, and the distance between the two planes 12 is optimally 1.4mm-1.9 mm; the distance between the two elastic arms 11 is small in the middle and large at two sides, and the distance L1 at the top is larger than that at the middle L2, so that the guiding effect can be achieved. One end of the cage spring 14 abuts against the outer side of the rear connecting piece 13, and the other end of the cage spring is bent and sleeved on the top of the rear connecting piece 13 and is used for connecting wires.

Referring to fig. 14 to 16, the bridge 30 is provided with a conductive portion and an insulating portion 31. The conductive portion includes a plurality of pins 32 or other similar conductive structures. The pins 32 have a square cross section, and the number of the pins 32 may be two, three or more, and the outermost pins 32 are provided with protrusions 33 on the outer side, and the protrusions 33 are located near the middle of the pins 32. A protrusion 33 may be provided on each pin 32 as required. The width of the pin 32 is greater than the distance L2 between the planes 12 of the two elastic arms 11, and the interference is preferably 0.1mm-0.5 mm; the width of the pin 32 is smaller than the distance L3 between the bottoms of the two elastic arms 11. The bridge 30 is provided with different bridge 30 according to a transverse bridge manner and a longitudinal bridge manner, which differ in the interval between adjacent pins 32, which interval depends on the transverse interval and the longitudinal interval of adjacent socket holes 42. The insulating part 31 is fixed on top of the conductive part and is provided with an operation hole 34, and the bridge frame 30 can be pulled out by inserting a screwdriver or other tools into the operation hole 34.

The invention also provides an electrical detection method of the connector, wherein an elastic plug-in part is added on the conventional connector; and corresponding plug holes 42 are formed in the shell; the detection is achieved by inserting the detection probes 61 into the insertion holes 42 to be inserted into the elastic insertion parts, or bridging is achieved by inserting the bridging frame 30 into the elastic insertion parts of at least two connectors 10 through the insertion holes 42.

Specifically, the specific process of bridging or multimeter detection by adopting the connector and the electrical detection method of the invention is as follows:

bridging: referring to fig. 17 and 18, the two pins 32 of the bridge frame 30 are inserted into the two laterally arranged insertion grooves 43, and the insertion grooves 43 can also serve as guiding functions due to the gaps between the insertion grooves 43 and the protrusions 33 of the pins 32. Referring to fig. 19 and 20, when the pin 32 passes through the insertion slot 43 and enters the insertion hole 42, the protrusion 33 of the pin is in interference fit with the inner wall of the insertion hole 42, so that the pin 32 is deformed, the pin 32 is damped in the process of passing through the insertion hole 42; when the pin 32 is fully inserted, see fig. 21, 22 and 23, the protrusion 33 is located at the relief groove 46 and is in clearance fit with the relief groove, and the bottom of the pin 32 is inserted between the two elastic arms 1111 and makes surface contact with the flat surface 12, thereby bridging. Referring to fig. 24 to 26, the process of the longitudinal bridging is substantially the same as the transverse bridging.

The corresponding structures of the bridging frame 30 and the shell are guided to be in interference fit and then in clearance fit, and when the bridging frame is in place, the insulating part 31 of the bridging frame 30 collides with the end face of the upper cover 40, and a click sound is generated to indicate that the bridging frame is assembled in place. In addition, if the bridge frame 30 moves upwards, the protrusion 33 and the inclined surface 47 are still in interference fit, so that the bridge frame 30 can be effectively prevented from falling off in a vibration environment.

And (3) detecting by a universal meter: referring to fig. 27 to 29, the detection probe 60 sequentially passes through the insertion groove 43 and the insertion hole 42, and is finally inserted between the two spring arms 11, and the conductive head 61 of the probe is in surface contact with the plane 12 of the spring arm 11, so that stable and reliable contact is realized.

The foregoing is merely illustrative of specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the design concept shall fall within the scope of the present invention.

Claims

1. The utility model provides a multifunctional connector, includes casing, a plurality of connecting piece (10) and a plurality of contact (20), and this a plurality of connecting piece (10) and a plurality of contact (20) are installed in the casing and one-to-one, and this connecting piece (10) are connected its characterized in that with the contact (20) conduction that corresponds: one end of the connecting piece (10) is provided with an elastic plug-in connection part; the shell is provided with a plug hole (41), and the plug hole (41) is communicated with the elastic plug part so that the detection probe (60) can be plugged with the elastic plug part after passing through the plug hole to realize detection; the bridge connection device further comprises a bridge connection frame (30), wherein the bridge connection frame (30) is provided with a conductive part which can be controlled to pass through the plug hole (41) to be plugged with the elastic plug parts of at least two connecting pieces (10) so as to realize bridge connection;

the elastic plug-in part comprises two elastic arms (11), the two elastic arms (11) extend upwards along one end of the bottom of the connecting piece (10), the distance between the two elastic arms (11) is small in the middle and large in the two sides, and the minimum distance between the two elastic arms (11) is smaller than the width of the conductive part; the elastic arm (11) is provided with a plane near the middle part to form surface contact with the conductive part or the detection probe (60).

2. A multi-function connector as defined in claim 1, wherein: the outside of the conductive part is provided with a bulge (33), and when the conductive part passes through the plug hole (41), the bulge (33) is in interference fit with the plug hole (41).

3. A multi-function connector as defined in claim 2, wherein: the device also comprises a plug-in groove (43), wherein the plug-in groove (43) is positioned at the top end of the plug-in hole (41) and is communicated with the plug-in hole to guide the conductive part or the detection probe (60) to enter the plug-in hole (41), and a gap is arranged between the protrusion (33) and the side wall of the plug-in groove (43) when the conductive part passes through the plug-in groove (43).

4. A multi-function connector as defined in claim 2, wherein: a yielding groove (46) is formed in the side wall of the bottom of the plug hole (41) so as to be in clearance fit with the protrusion (33) when bridging; the top of the relief groove (46) is provided with a radially extending ramp (47) to limit the projection (33) when bridging.

5. A multi-function connector as defined in claim 1, wherein: the plug hole (41) is a square hole, and two opposite side walls of the plug hole are provided with concave arc-shaped walls (44) so as to be matched with the detection probe (60).

6. A multi-function connector as defined in claim 1, wherein: the other end of the connecting piece (10) is provided with a rear connecting piece (13); the novel electric cable connector also comprises a cage type spring piece (14), and the cage type spring piece (14) is connected with the rear connecting piece (13) to be connected with a wire.

7. A multi-function connector as defined in claim 1, wherein: the bridging frame (30) further comprises an insulating part (31), and the insulating part (31) is fixed at the top end of the conductive part and provided with an operation hole; the conductive portion includes at least two pins (32).

8. A multi-function connector as defined in claim 1, wherein: the shell comprises an upper cover (40) and a main body (50), wherein the plug hole (41) is formed on the upper cover (40); the connector (10) and the contact (20) are located on the body (50).

9. The utility model provides an electric detection method of multi-functional connector, this connector includes casing, a plurality of connecting piece (10) and a plurality of contact (20), and this a plurality of connecting piece (10) and a plurality of contact (20) are installed in the casing and one-to-one, and this connecting piece (10) are connected with the contact (20) that corresponds, its characterized in that: a multifunctional connector according to claim 1, wherein an elastic plug part is added on the connecting piece (10); corresponding plug holes (41) are formed in the shell; the detection is realized by inserting the detection probe (60) into the inserting hole (41) to be inserted into the elastic inserting part, or the bridging frame (30) is adopted to pass through the inserting hole (41) to be inserted into the elastic inserting parts of at least two connecting pieces (10) to realize bridging.

10. The electrical testing method of a multi-function connector of claim 9, wherein: the other end of the connecting piece (10) is provided with a rear connecting piece (13); the novel electric cable connector also comprises a cage type spring piece (14), and the cage type spring piece (14) is connected with the rear connecting piece (13) to be connected with a wire.

11. The electrical testing method of a multi-function connector of claim 9, wherein: the bridging frame (30) further comprises an insulating part (31), and the insulating part (31) is fixed at the top end of the conductive part and provided with an operation hole; the conductive portion includes at least two pins (32).

12. The electrical testing method of a multi-function connector of claim 9, wherein: the shell comprises an upper cover (40) and a main body (50), wherein the plug hole (41) is formed on the upper cover (40); the connector (10) and the contact (20) are located on the body (50).