CN207800997U - Switching connector - Google Patents

Abstract

The utility model discloses a kind of switching connectors, it includes insulating base, insulating body, fixing terminal, movable terminal and metal shell, fixing terminal has the extension vertically extended from welding foot two opposite sides, and it is formed and is had point of contact in the end of the extension, the insulating base includes the first platform part close to the first side of insulating body, the movable terminal includes body part, two flank sections extended from body part to two opposite sides, the contact site that is extended to form forward from body part and the weld part that insulating body is extended backward more than from body part, the contact site to contact point contact, the flank section is supported in the first platform part and extends towards contact site, to increase the pressure force for pressing movable terminal between insulating body and insulating base, and then enhance the stability of movable terminal.

Description

Switching connector

Technical field

The utility model is related to a kind of a kind of pressing of switching connector more particularly to movable terminal of switching connector knots Structure.

Background technology

With the relevant prior art of the utility model, the Chinese invention patent the of bulletin on October 19th, 2016 is please referred to No. CN104471802B, there is disclosed a kind of switching connector with mounted inspection, the inspection has with switching connector The standby probe vertically extended and the 1st external conductor for surrounding the tubular around the probe, above-mentioned switching connector Have：Main body with upper surface and bottom surface, and is formed with the hole being inserted into from the upper side to the lower side for above-mentioned probe；2nd External conductor comprising surround around above-mentioned hole and be inserted into the canister portion in above-mentioned 1st external conductor, be set on above-mentioned The external conductor main part on surface and by being drawn out to above-mentioned bottom surface from the external conductor main part with the external conductor The external conductor fixed part of aforementioned body is clamped in main part together；Fixing terminal is fixed in aforementioned body；And movable end Son comprising be fixed in the movable terminal fixed part and plate spring part of aforementioned body, the plate spring part is solid from the movable terminal Determine portion towards above-mentioned fixing terminal to extend, contacted with the fixing terminal and when from downside overlook observation front end with it is above-mentioned outer Portion's conductor fixed part overlapping, above-mentioned plate spring part is based on above-mentioned probe and to downside displacement in a manner of far from above-mentioned fixing terminal. Above-mentioned fixing terminal includes horizontal-extending welding foot, contact site and the extension being connected between contact site and extended leg, institute The extending direction for stating extension is identical as the extending direction of welding foot, when connector is when being soldered on circuit board, extra weldering Tin can climb along the extension of terminal towards contact site, to which the contact site between fixing terminal and movable terminal to be connected with each other Together, and the performance of connector is influenced.It is inadequate that above-mentioned movable terminal is pressed together on the pressure force in main body, causes movable Terminal easy tos produce displacement, so as to cause poor contact after repeatedly pressing.

In view of the drawbacks described above of the prior art, it is really necessary to design a kind of improved switching connector.

Utility model content

The technical problem to be solved by the utility model is to：A kind of switching connector is provided, enhancing movable terminal By pressure force.

In order to solve the above technical problems, the technical solution of the utility model is：

A kind of switching connector comprising insulating base, insulating body, fixing terminal, movable terminal and metal shell, The fixing terminal and movable terminal are held between insulating base and insulating body, and the metal shell is by insulating base and absolutely Edge ontology is fixed together, and there is the insulating body the first side being reversed and the second side, the fixing terminal to be installed on First side of insulating body, the movable terminal are mounted on the second side of insulating body, and the fixing terminal includes and movable end The contact point of son contact and the welding foot for extending beyond insulating body, the insulating base include close to the first side of insulating body First platform part, the second platform of close insulating body the second side and the protrusion between the first platform and the second platform Portion, wherein the movable terminal includes body part, two flank sections from body part to two opposite sides that extend from, from body part forward The contact site that extends to form and the weld part that insulating body is extended backward more than from body part, the contact site to contact Point contact, the flank section are supported in the first platform part.

Compared with prior art, the utility model at least has the advantages that：The flank section of movable terminal is supported in First platform part and towards contact site extend, to increase between insulating body and insulating base press movable terminal pressing Power, and then enhance the stability of movable terminal.

Further improvement of the utility model is as follows：

Further, the flank section extends towards contact site and forms a groove being recessed backward with main part.

Further, the flank section and the same length of the first platform part in the longitudinal direction.

Further, the insulating base further includes the second platform of the second side of close insulating body and positioned at the Protrusion between one platform and the second platform, the flank section have the free terminal close to protrusion, the free terminal Equipped with round and smooth chamfering.

Further, the welding foot is horizontally extending, and the fixing terminal further includes from welding foot two opposite sides Along the extension extended straight up, the welding foot of fixing terminal is made to be formed with recessed portion with respect between two extensions, it is described to connect Contact is located at the end of extension.

Further, the extension of the fixing terminal includes the first side arm of a pair of connecting welding foot both sides, connects respectively The second side arm of a pair and a pair of of the third side arm for connecting the second side arm that the first side arm protrudes out inwardly are connect, first side arm is along perpendicular To extension, the contact point is located on the third side arm histogram.

Further, the first arc sections, first side arm and second are connected between the welding foot and the first side arm It is equipped with the second arc sections between side arm, third arc sections are equipped between second side arm and third side arm.

Further, second side arm is arranged in parallel, and the third side arm prolongs along mutual direction close to each other It stretches.

Further, second side arm is positioned horizontally in the upside of insulating base, and third side arm tilts upward extension.

Further, the first side of the insulating body is equipped with the downwardly projecting protrusion in recessed portion, described recessed Concave portion is equipped with the shrapnel for tilting extend upwards, and the protrusion is equipped with the shrapnel groove of receiving shrapnel, and the of the insulating body Side is additionally provided with the first boss positioned at protrusion two opposite sides, and the fixing terminal is fixed on first boss.

Description of the drawings

Fig. 1 is the stereogram of the utility model switching connector.

Fig. 2 is another view stereo figure of switching connector as shown in Figure 1.

Fig. 3 is the exploded view of switching connector as shown in Figure 1.

Fig. 4 is another visual angle exploded view of switching connector as shown in Figure 3.

Fig. 5 is the stereogram that insulating base, fixing terminal and movable terminal as shown in Figure 3 fit together.

Fig. 6 is the first sectional view of switching connector as shown in Figure 1.

Fig. 7 is the second sectional view of switching connector as shown in Figure 1.

Specific implementation mode

The utility model is further explained with reference to the accompanying drawings and examples.

As shown in Figures 1 to 7, a kind of switching connector 100 comprising insulating body 1, insulating base 2, fixing terminal 3, Movable terminal 4 and metal shell 5.The fixing terminal 3 and movable terminal 4 be held on insulating base 2 and insulating body 1 it Between, insulating base 1 and insulating body 2 are fixed together by the metal shell 5.

The insulating body 1 is including base plate 10 and the columnar part 19 to be formed, columnar part 19 are upwardly extended from base plate 10 Equipped with the cylindrical hole 191 downward through insulating body 1, to accommodate the center terminal of butt connector.The base plate 10 has The first side 11 being reversed and the second side 12, the fixing terminal 3 is installed on the first side 11 of insulating body 1, described movable Terminal 4 is mounted on the second side 12 of insulating body 1.The fixing terminal 3 has welding foot 31 and from 31 two opposite sides of welding foot Along the extension that extends straight up, the end of the extension, which is formed, has point of contact 341；In the present embodiment, the extension Include the second side arm 33 and connect that the first side arm 32, the first side arm 32 of connection extended from welding foot 31 along the first side protrudes out inwardly The third side arm 34 of the second side arm 33 is connect, which, which forms, has point of contact 341, with from side to being connected to movable end 41 upside of contact site of son 4, which is oppositely arranged with the second side arm 33, and the first, second, third side arm circulating type U-shaped portion 30 is surrounded, and forms jagged 35, the end of above-mentioned movable terminal 4 extends into 35 downside of notch, the third side arm 34 tilt upward it is extended, to increase the deformation space of movable terminal 4.

In the present embodiment, the U-shaped portion 30 extends from the both sides of welding foot 31 respectively in a pair of, so that two U-shaped portion 30 are arranged in opposite surround, which is in the both sides of a pair of of connecting welding foot 31, and the second side arm of a pair 33 is parallel to be prolonged It stretches, a pair of of third side arm 34 is respectively equipped with contact point 341 oppositely facing extension.

First side 11 of the base plate 10 is equipped with downwardly projecting protrusion 13, a pair first of the fixing terminal 3 Side arm 32 upwardly extends respectively, and the welding foot 31 is formed with the recessed portion 36 of receiving protrusion 13 with a pair of first side arm 32. First side 11 of the base plate 10 is additionally provided with the first boss 14 positioned at 13 two opposite sides of protrusion, and the fixing terminal 3 is solid Due to first boss 14.The second side 12 of the base plate 10 is equipped with groove 15 and two second boss 16.The movable terminal 4 Including the body part 42 for connecting contact site 41, the flank section 43 extended from body part 42 to both sides and extend backward more than The weld part 44 of insulating body 1, the body part 42 are contained in groove 15, the flank section 43 be contained in groove 15 and to Contact site 41 extends, and flank section 43 is located at 16 inside of a pair of of second boss, prevents the movable terminal 4 from detaching.Insulating base 2 Include close to the first platform part 61 of 1 first side 11 of insulating body, close 1 the second side 12 of insulating body the second platform 62 with And the protrusion 29 between the first platform 61 and the second platform 63.Contact site 41 with contact point 341 to contact, flank section 43 are supported in the first platform part 61 and extend towards contact site 41, and the length of flank section 43 and the first platform part in the longitudinal direction Roughly the same, which forms a groove 46 being recessed backward with main part 42.Flank section 43 has close to protrusion 29 Free terminal 47, the free terminal 47 be equipped with round and smooth chamfering 48.

The movable terminal 4 further includes the rounding off portion 45 being connected between body part 42 and weld part 44.It is described exhausted Edge ontology 1 includes the container 18 positioned at its bottom center, and 18 cup depth of the container is more than the cup depth of groove 15, To increase the elastic deformation space of movable terminal 4, the container 18 vertically connects with cylindrical hole 191, it is described can The contact site 41 of moved end 4 is extended to from body part 42 in container 18.The contact site 41 includes point 411, is connected to Butting section 412 after point 411 and the extension 413 being set between butting section 412 and body part 42, the butting section 412 width is more than the width of the point 411, and to increase the deformation space of contact site 41, the extension 413 is equipped with and leans on Two lateral recesses 414 of nearly butting section 412.

Two third side arms 34 of the fixing terminal 3 are respectively from the second side arm 33 along close to each other mutual towards prolonging It stretches.The welding foot 31 extends outwardly beyond insulating body 2 and equipped with the shrapnel 37 extended is tilted upwards, and the protrusion 13 is set There is the shrapnel groove 131 of receiving shrapnel 37.The first arc sections 310, institute are connected between the welding foot 31 and the first side arm 32 It states and is equipped with the connection of the second arc sections 320, second side arm 33 and third side arm 34 between the first side arm 32 and the second side arm 33 Between be equipped with third arc sections 330 connect.

The insulating base 2 has bottom surface 21, top surface 22, two first edge 23 disposed in parallel and disposed in parallel two the Two edges 24.The bottom surface 21 of insulating base 2 is being respectively equipped with a clasp groove 25 at two 23 positions of first edge, each Second edge 24 is equipped with escape groove 26, and each first edge 23 is equipped with notch 27, and the notch 27 is connected with clasp groove 25.

Metal shell 5 includes the cylindrical portion 52 of the flat part 51 and covering columnar part 19 of covering base plate 10, cylindrical portion 52 External screw thread 522 equipped with the accepting hole 521 being inserted into for columnar part 19 and on the outside of it.Flat part 51, which is equipped with to bend downward, to be prolonged The buckling foot 511 to be formed is stretched, the buckling foot 511 passes through 27 clasp of notch to clasp groove 25.Welding foot 34 and weld part 44 Respectively respectively since escape groove 26 extends outwardly beyond insulating body 1.The bottom surface 21 of insulating base 2 is equipped with several ribs 28, absolutely The top surface 22 of edge pedestal 2 is equipped with the protrusion 220 protruded out towards 18 side of container and the corresponding body part 42 is connect with contact site 41 The recess 221 at place, the extension 413 of movable terminal 4 are located at the top of protrusion 220.When the center terminal of butt connector squeezes When pressure, movable terminal 4 moves downward, and movable terminal 4 is made to be detached with fixing terminal 3, which can prevent 41 mistake of contact site Deformation is crossed, the setting of recess 221 can improve the deformation of movable terminal 4, and when preventing deformation, junction is connected to insulating base 2 On.The insulating base 2 has the inclined surface 20 that the point 411 of corresponding above-mentioned movable terminal 4 is arranged, and the inclined surface 20 can Improve when movable terminal is extruded and moved along inclined surface 20, avoids the plastic deformation of movable terminal 4.

Compared with prior art, fixing terminal 3 is equipped with the extension vertically extended from 31 two opposite sides of welding foot, And formed in the end of the extension and have point of contact 341, so that the welding foot of fixing terminal is formed with respect between two extensions Recessed portion 36, is upwardly extended by extension, can increase scolding tin difficulty, while because of the growth of extension, can improve connector and exist When welding, extra scolding tin is fully absorbed, it is hidden to avoid that movable terminal 4 being connected with fixing terminal 3 because of phenomenon of solder rising Suffer from.The flank section 43 of movable terminal 4 is supported in the first platform part 61 and extends towards contact site 41, flank section 43 and the first platform part 61 same length in the longitudinal direction presses movable terminal to provide between insulating body 1 and insulating base 2 Pressure force enhances the stability of movable terminal 4.

The utility model is not limited to above-mentioned specific embodiment, and those skilled in the art visualize from above-mentioned Hair, without performing creative labour, made various transformation are all fallen within the scope of protection of the utility model.

Claims (10)

1. a kind of switching connector comprising insulating base, insulating body, fixing terminal, movable terminal and metal shell, institute It states fixing terminal and movable terminal is held between insulating base and insulating body, the metal shell is by insulating base and insulation Ontology is fixed together, and there is the insulating body the first side being reversed and the second side, the fixing terminal to be installed on absolutely First side of edge ontology, the movable terminal are mounted on the second side of insulating body, and the fixing terminal includes and movable terminal The contact point of contact and the welding foot for extending beyond insulating body, the insulating base include close to the first side of insulating body First platform part, it is characterised in that：The movable terminal includes body part, two flanks extended from body part to two opposite sides Portion, the contact site extended to form forward from body part and the weld part that insulating body is extended backward more than from body part, it is described Contact site to contact point contact, the flank section is supported in the first platform part.

2. switching connector as described in claim 1, it is characterised in that：The flank section extends towards contact site and and main part Form a groove being recessed backward.

3. switching connector as described in claim 1, it is characterised in that：The flank section is with the first platform part in front-rear direction On same length.

4. switching connector as described in claim 1, it is characterised in that：The insulating base further includes close insulating body The second side the second platform and the protrusion between the first platform and the second platform, the flank section have close to convex Go out the free terminal in portion, the free terminal is equipped with round and smooth chamfering.

5. switching connector as described in claim 1, it is characterised in that：The welding foot is horizontally extending, described solid Fixed end further includes so that the welding foot of fixing terminal is prolonged with respect to two along the extension extended straight up from welding foot two opposite sides Recessed portion is formed between extending portion, the contact point is located at the end of extension.

6. switching connector as claimed in claim 5, it is characterised in that：The extension of the fixing terminal includes connecting welding The first side arm of a pair of foot both sides, be separately connected the second side arm of the second side arm of a pair and connection that the first side arm protrudes out inwardly one To third side arm, first side arm vertically extends, and the contact point is located on the third side arm.

7. switching connector as claimed in claim 6, it is characterised in that：Is connected between the welding foot and the first side arm One arc sections are equipped with the second arc sections, between second side arm and third side arm between first side arm and the second side arm Equipped with third arc sections.

8. switching connector as claimed in claim 6, it is characterised in that：Second side arm is arranged in parallel, and described Three side arms extend along mutual direction close to each other.

9. switching connector as claimed in claim 6, it is characterised in that：Second side arm is positioned horizontally in the upper of insulating base Side, third side arm tilt upward extension.

10. switching connector as claimed in claim 5, it is characterised in that：First side of the insulating body is equipped with downwardly convex Go out to be located at the protrusion in recessed portion, the recessed portion is equipped with the shrapnel for tilting extend upwards, and the protrusion is equipped with receiving bullet First side of the shrapnel groove of piece, the insulating body is additionally provided with the first boss positioned at protrusion two opposite sides, the fixation Terminal is fixed on first boss.