CN218770191U - Conductive terminal - Google Patents
Conductive terminal Download PDFInfo
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- CN218770191U CN218770191U CN202221100164.8U CN202221100164U CN218770191U CN 218770191 U CN218770191 U CN 218770191U CN 202221100164 U CN202221100164 U CN 202221100164U CN 218770191 U CN218770191 U CN 218770191U
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- elastic arm
- plate surface
- arm
- contact
- resilient arm
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Abstract
The utility model discloses a conductive terminal, which comprises a fixed part, a folding part, a first elastic arm and a second elastic arm; the first elastic arm protrudes leftwards to form a first contact part, the plate surface of the first contact part and the plate surface of the first elastic arm face towards the left side, the second elastic arm protrudes rightwards to form a second contact part, the plate surface of the second contact part and the plate surface of the second elastic arm face towards the right side, the plate surfaces of the first contact part and the second contact part are in contact with the butt-joint terminal, so that the contact performance of the conductive terminal is better, the conductive terminal has better electrical performance, the situation that the blanking surface of the conductive terminal scratches and damages the butt-joint terminal is avoided, a larger deformation space is formed between the plate surface on the inner side of the second elastic arm and the plate surface on the inner side of the first elastic arm along the left-right direction through the folding part, the first elastic arm and the second elastic arm have larger elasticity, the problem of elastic fatigue is effectively solved, and the first contact part and the second contact part can be stably abutted to the butt-joint terminal bullet performance.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to a conductive terminal, and more particularly, to a conductive terminal having an elastic arm.
[ background of the invention ]
A conventional conductive terminal, such as chinese patent CN201510188955.9, as shown in fig. 1, configured to be inserted into a butt terminal, includes a fixing portion having a plate-shaped structure, a first elastic arm and a second elastic arm extending forward from the fixing portion, where a plate surface of the first elastic arm and a plate surface of the second elastic arm are both horizontally disposed, a feeding surface of the first elastic arm protrudes leftward to form a first contact portion, a feeding surface of the second elastic arm protrudes rightward to form a second contact portion, a gap is formed between the feeding surface of the first elastic arm and the feeding surface of the second elastic arm, and the conductive terminal is inserted into the butt terminal through the first contact portion and the second contact portion to form an electrical connection. However, the first contact portion and the second contact portion are formed by blanking surfaces of the first elastic arm and the second elastic arm after stamping and blanking, the first contact portion and the second contact portion are relatively rough, when the conductive terminal is inserted into the inner wall surface of the butt terminal, scratch damage is easily caused to the inner wall surface of the butt terminal, the contact performance is poor, the size of the plate surface of the first elastic arm in the left-right direction and the size of the plate surface of the second elastic arm in the left-right direction are both larger than the size of the blanking surface of the first elastic arm in the up-down direction and the size of the blanking surface of the second elastic arm in the up-down direction, the plate surface of the first elastic arm and the plate surface of the second elastic arm are arranged in parallel, so that a gap between the plate surface of the first elastic arm and the plate surface of the second elastic arm is small, when the first contact portion and the second contact portion are in butt joint with the butt terminal, the first contact portion and the second contact portion can move towards the gap, but the gap between the first elastic arm and the second elastic arm can not be displaced, so that the elastic arm and the elastic arm can be easily generate stable elastic abutment.
Therefore, a conductive terminal is needed to overcome the above problems.
[ Utility model ] A method for manufacturing a semiconductor device
An object of the utility model is to the problem that background art faces, the utility model is to provide a conductive terminal, conductive terminal is equipped with first elastic arm and protrudes left and forms first contact site, the face of first contact site and the face of first elastic arm all face the left side, the second elastic arm protrudes right and forms second contact site, the face of second contact site and the face of second elastic arm all face the right side, the face of first contact site and second contact site contacts with the butt joint terminal in order to improve contact performance and avoid causing the scratch damage to the butt joint terminal and through setting up along controlling the direction folding portion has great deformation space along controlling the direction between the inboard face of second elastic arm and the inboard face of first elastic arm and makes first contact site and second contact site can stabilize with butt joint end bullet nature butt joint.
In order to achieve the above purpose, the utility model adopts the following technical means:
the conductive terminal is used for inserting a butt-joint terminal and is characterized by comprising a fixing part which is horizontally arranged; the folding part extends forwards from the fixing part and is folded along the left-right direction to form a first side plate and a second side plate; the first elastic arm extends forwards from the first side plate, the first elastic arm protrudes leftwards to form a first contact part, the plate surface of the first contact part and the plate surface of the first elastic arm face towards the left side, and the plate surface of the first contact part is in contact with the butt terminal; a second elastic arm, certainly the second curb plate extends forward and forms, the second elastic arm bulges right and forms a second contact site, the face of second contact site with the face of second elastic arm all is towards the right side, the face of second contact site with the butt joint terminal contacts mutually, the inboard face of second elastic arm with there is a deformation space along left right direction between the inboard face of first elastic arm, the second elastic arm with first elastic arm is along the at least part dislocation of left right direction.
Further, the front end of the second elastic arm overlaps with the front end of the first elastic arm in the vertical direction, and the plate surface of the first elastic arm and the plate surface of the second elastic arm are perpendicular to the plate surface of the fixing portion.
Further, the front end of the first elastic arm is provided with a first cutting surface, so that the size of the front end of the first elastic arm along the vertical direction is smaller than that of the rest part of the first elastic arm along the vertical direction, and the front end of the second elastic arm is provided with a second cutting surface, so that the size of the front end of the second elastic arm along the vertical direction is smaller than that of the rest part of the second elastic arm along the vertical direction.
Further, the deformation space gradually increases from the rear to the front to the maximum and then gradually decreases until the front end of the first elastic arm and the front end of the second elastic arm overlap in the up-down direction.
Further, one side of the second elastic arm is provided with a protruding portion in a downward protruding manner, when viewed from left to right, the projection of the protruding portion overlaps with the projection of the first elastic arm, and the plate surface of the protruding portion is configured as a part of the second contact portion, so that the plate surface of the second contact portion is larger than the plate surface of the first contact portion.
Further, the lower end face of the protruding portion does not exceed the plane where the bottom face of the first elastic arm is located, and the thickness of the protruding portion in the left-right direction is smaller than the thickness of the second elastic arm in the left-right direction.
Further, the first elastic arm includes a first reinforcing portion extending forward from the first side plate and a first extending portion extending forward from the first reinforcing portion, a width of the first reinforcing portion in the up-down direction is greater than a width of the first extending portion in the up-down direction, the second elastic arm includes a second reinforcing portion extending forward from the second side plate and a second extending portion extending forward from the second reinforcing portion, a projection of the first reinforcing portion overlaps a projection of the second reinforcing portion as viewed from the left-to-right direction, and a width of the second reinforcing portion in the up-down direction is greater than a width of the second extending portion in the up-down direction, so that the first extending portion and the second extending portion are misaligned in the left-to-right direction.
Furthermore, the conductive terminal further comprises a welding part which is bent backwards and extends from the fixing part, at least one limiting lug which is used for limiting in the up-down direction is convexly arranged on the edge of one side of the welding part, at least one pair of interference parts are convexly arranged on the left side and the right side of the welding part, the limiting lug is positioned above the interference parts, and the width of the limiting lug in the left-right direction is greater than that of the interference parts in the left-right direction.
Further, the first side plate comprises a first twisted section extending forward from the fixing portion and a first flat section extending forward from the first twisted section, the second side plate comprises a second twisted section extending forward from the fixing portion and a second flat section extending forward from the second twisted section, and a distance between the first flat section and the second flat section is smaller than a distance between the first elastic arm and the second elastic arm.
Further, the first twisted section and the second twisted section gradually converge from the fixing portion toward the first flat section and the second flat section to form a horn-shaped recess, so as to strengthen the connection between the first flat section and the fixing portion and the second flat section.
The utility model discloses another kind of technological means can also be adopted:
the conductive terminal, one end is used for the electric connection of a circuit board, another end and a butt joint terminal butt joint, characterized by, including a fixed portion, the said fixed portion sets up horizontally; the folding part extends forwards from the fixing part and is folded along the left-right direction to form a first side plate and a second side plate; the first elastic arm extends forwards from the first side plate, the first elastic arm protrudes leftwards to form a first contact part, the plate surface of the first contact part and the plate surface of the first elastic arm face towards the left side, and the plate surface of the first contact part is in contact with the butt terminal; the second elastic arm extends forwards from the second side plate, the second elastic arm protrudes rightwards to form a second contact part, the plate surface of the second contact part and the plate surface of the second elastic arm face towards the right side, the plate surface of the second contact part is in contact with the butt joint terminal, and a deformation space is formed between the plate surface on the inner side of the second elastic arm and the plate surface on the inner side of the first elastic arm along the left-right direction; the welding part is formed by bending and extending the rear end of the fixing part backwards, the welding part is provided with a welding surface for welding the circuit board, and the plane where the welding surface is located is not parallel to the plate surface of the first elastic arm and the plate surface of the second elastic arm.
Furthermore, the front ends of the first elastic arm and the second elastic arm are connected to form an insertion end, the folding part extends forwards to form a support arm located below the first elastic arm and the second elastic arm, the tail end of the support arm is connected with the insertion end, and when viewed from bottom to top, the projection of the support arm is located between the projection of the first elastic arm and the projection of the second elastic arm.
Further, the thickness of the edge left right direction of first elastic arm with the thickness of second elastic arm edge left right direction all is less than the thickness of fixed part edge upper and lower direction, first elastic arm drum circle shaping is in order to form protrusion left first contact site, second elastic arm drum circle shaping is in order to form protrusion right the second contact site, from left side back view, the projection of first contact site with the projection of second contact site overlaps mutually.
Further, the left and right sides face of fixed part has the barb, the face of first contact site with distance between the face of second contact site is less than the maximum width of fixed part along the left and right sides.
Furthermore, the welding part is formed by extending the fixing part vertically downwards and then horizontally backwards, and the plate surface of the first elastic arm and the plate surface of the second elastic arm are both perpendicular to the plane where the welding surface is located.
Compared with the prior art, the utility model discloses following beneficial effect has: the first elastic arm protrudes leftwards to form the first contact part, the plate surface of the first contact part and the plate surface of the first elastic arm face towards the left side, the plate surface of the first contact part is in contact with the butt terminal, the second elastic arm protrudes rightwards to form the second contact part, the plate surface of the second contact part and the plate surface of the second elastic arm face towards the right side, the plate surface of the second contact part is in contact with the butt terminal, and the smooth plate surface of the conductive terminal is formed into the first contact part and the second contact part, so that the conductive terminal has better contact performance and better electrical performance, the conductive terminal is prevented from being scratched and damaged due to the fact that blanking faces the butt terminal, meanwhile, a larger deformation space is formed between the plate surface on the inner side of the second elastic arm and the plate surface on the inner side of the first elastic arm along the left-right direction through the folding part which is folded along the left-right direction, therefore, the first elastic arm and the second elastic arm have larger elasticity, the problem of elastic abutting is effectively improved, and the problem that the fatigue of the first contact part and the bullet end can be stably abutted against the second elastic arm is guaranteed.
[ description of the drawings ]
FIG. 1 is a schematic diagram of the prior art;
fig. 2 is a perspective view of the conductive terminal according to the first embodiment of the present invention;
fig. 3 is a right side view of the conductive terminal according to the first embodiment of the present invention;
fig. 4 is a left side view of the conductive terminal according to the first embodiment of the present invention;
fig. 5 is a bottom view of the conductive terminal according to the first embodiment of the present invention;
fig. 6 is a perspective view of the conductive terminal according to the first embodiment of the present invention from another view angle;
FIG. 7 isbase:Sub>A cross-sectional view taken along A-A of FIG. 3;
FIG. 8 is a cross-sectional view taken along line B-B of FIG. 3;
fig. 9 is a perspective view of a conductive terminal according to a second embodiment of the present invention;
fig. 10 is a top view of the conductive terminal of fig. 9.
Detailed description of the embodiments reference is made to the accompanying drawings in which:
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[ detailed description ] embodiments
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated position or component must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 2, the conductive terminal 100 of the present invention has one end electrically connected to a circuit board (not shown), and the other end is inserted into the cylindrical portion of the butt terminal (not shown) to electrically contact with the inner wall, so as to define the direction of the butt terminal, the conductive terminal 100 includes a fixing portion 1, a folding portion 2 extending forward from the fixing portion 1, a first elastic arm 3 and a second elastic arm 4 extending forward from the folding portion 2, and a welding portion 6 extending backward from the fixing portion 1, and the welding portion 6 is configured to be welded to the circuit board.
As shown in fig. 2, 5 and 6, the fixing portion 1 is horizontally disposed and has a plate-shaped structure, two barbs 12 for interference fit with an insulating shell (not shown) are disposed on both left and right sides of the fixing portion 1, and the barbs 12 are continuously disposed. The fixing portion 1 is formed with a protruding piece 11 protruding downward from the board surface, when the conductive terminal 100 is assembled in the insulating housing, the protruding piece 11 is stopped at the insulating housing, and when the conductive terminal 100 is inserted into the mating terminal, the conductive terminal 100 will not move backward in the front-rear direction.
As shown in fig. 2 to 6, the folded portion 2 extends forward from the fixing portion 1, the folded portion 2 is folded in the left-right direction to form a first side plate 21 and a second side plate 22, the plate surfaces of the first side plate 21 and the second side plate 22 extend in the up-down direction, the first side plate 21 includes a first twisted section 211 extending forward from the fixing portion 1 and a first flat section 212 extending forward from the first twisted section 211, the second side plate 22 includes a second twisted section 221 extending forward from the fixing portion 1 and a second flat section 222 extending forward from the second twisted section 221, and the tops of the first flat section 212 and the second flat section 222 are connected by a connecting section 23. The first twisted section 211 and the second twisted section 221 are gradually gathered from the fixing portion 1 toward the first flat section 212 and the second flat section 222, and form a trumpet-shaped recess 25 to reinforce the connection between the first flat section 212 and the second flat section 222 and the fixing portion 1 (of course, in other embodiments, the first twisted section 211 and the second twisted section 221 may not be provided, and are not limited herein). The folding portion 2 is provided with a yielding notch 24 which is open forward at the top of the first side plate 21 and the second side plate 22, so that the conductive terminal 100 can be better assembled with the insulating housing, and the conductive terminal 100 is limited to move forward relative to the insulating housing.
As shown in fig. 2 to 8, the first elastic arm 3 extends forward from the first side plate 21, and a plate surface of the first elastic arm 3 is perpendicular to a plate surface of the fixing portion 1. The first elastic arm 3 includes a first reinforcing portion 31 extending forward from the first side plate 21 and a first extending portion 32 extending forward from the first reinforcing portion 31, so that the width of the first reinforcing portion 31 in the up-down direction is larger than the width of the first extending portion 32 in the up-down direction, and the strength of the first elastic arm 3 is enhanced by providing the first reinforcing portion 31. First elastic arm 3 is formed with a first contact portion 321 by the left protrusion, specifically speaking, first contact portion 321 certainly first extension 32 is formed by the left protrusion, the face of first contact portion 321 with the face of first elastic arm 3 all faces the left side, the face of first contact portion 321 with the face of first elastic arm 3 extends along upper and lower direction, the face of first contact portion 321 with the butt joint terminal contacts. The front end of the first elastic arm 3 has a first cutting surface 322, and specifically, the first cutting surface 322 is formed at the front end of the first extending portion 32, so that the dimension of the front end of the first elastic arm 3 along the vertical direction is smaller than the dimension of the rest of the first elastic arm 3 along the vertical direction.
As shown in fig. 2-8, the second elastic arm 4 is formed by extending forward from the second side plate 22, and the plate surface of the second elastic arm 4 is perpendicular to the plate surface of the fixing portion 1. The second elastic arm 4 includes a second reinforcing portion 41 extending forward from the second side plate 22 and a second extending portion 42 extending forward from the second reinforcing portion 41, when viewed from the left-to-right direction, a projection of the first reinforcing portion 31 and a projection of the second reinforcing portion 41 partially overlap, and a width of the second reinforcing portion 41 in the up-down direction is greater than a width of the second extending portion 42 in the up-down direction, so that the strength of the root portions of the first elastic arm 3 and the second elastic arm 4 is enhanced, and the first elastic arm 3 and the second elastic arm 4 are not easily degraded; the second elastic arm 4 and the first elastic arm 3 are at least partially dislocated in the left-right direction, specifically, the second extending portion 42 and the first extending portion 32 are dislocated in the left-right direction, so that the conductive terminal 100 is inserted into the mating terminal, and the first elastic arm 3 and the second elastic arm 4 are compressed by a force to avoid collision. Second elastic arm 4 bulges right and forms a second contact site 421, specifically speaking, second contact site 421 certainly second extension 42 forms, the face of second contact site 421 with the face of second elastic arm 4 all faces the right side, the face of second contact site 421 with the face of second elastic arm 4 extends along upper and lower direction, the face of second contact site 421 with the butt joint terminal contacts mutually. One side of the second elastic arm 4 is provided with a protruding portion 4211 in a downward protruding manner, specifically, the protruding portion 4211 protrudes downward from one side of the second extending portion 42, and when viewed from left to right, the projection of the protruding portion 4211 overlaps with the projection of the first extending portion 32 of the first elastic arm 3, and since the second extending portion 42 and the first extending portion 32 are arranged in a staggered manner in the left-right direction, the protruding portion 4211 extends downward from the second extending portion 42 located above and overlaps with the projection of the first extending portion 32, so that the second elastic arm 4 and the first elastic arm 3 can keep stress balance when the docking terminal is inserted, and prevent inclination during insertion. The plate surface of the protrusion 4211 is configured as a part of the second contact portion 421, so that the plate surface of the second contact portion 421 is larger than the plate surface of the first contact portion 321, increasing the contact area of the second contact portion 421 and the butt terminal. The protrusions 4211 protrude downwards to form a lower end surface, and the lower end surface of the protrusions 4211 does not exceed the plane of the bottom surface of the first elastic arm 3, so that the protrusions 4211 are prevented from being too long to be assembled on the insulation shell and a mating connector (not shown) cannot be inserted. The front end of the second resilient arm 4 has a second cutting surface 422, and in particular, the second cutting surface 422 is formed at the front end of the second extension 42 such that the dimension of the front end of the second resilient arm 4 in the up-down direction is smaller than the dimension of the rest of the second resilient arm 4 in the up-down direction, and the conductive terminal 100 is easily assembled into the insulative housing by being guided by the second cutting surface 422 and the first cutting surface 322.
As shown in fig. 2 to 8, a deformation space 5 is formed between the inner side of the second elastic arm 4 and the inner side of the first elastic arm 3 along the left-right direction, so that the first elastic arm 3 and the second elastic arm 4 have better elasticity, the deformation space 5 gradually increases to the maximum from back to front, and then gradually decreases until the front end of the first elastic arm 3 and the front end of the second elastic arm 4 are overlapped along the up-down direction, so that the conductive terminal 100 is inserted into the mating terminal, and the first elastic arm 3 and the second elastic arm 4 can be smoothly staggered without collision after being compressed by a force. The protrusion 4211 is thinned at the inner side in the left-right direction so that the thickness of the protrusion 4211 in the left-right direction is smaller than the thickness of the second elastic arm 4 in the left-right direction, so as to increase the deformation space 5 and prevent the first elastic arm 3 and the protrusion 4211 from colliding with each other when the conductive terminal 100 is inserted into a counterpart terminal. The distance between the plate surface of the first contact portion 321 and the plate surface of the second contact portion 421 is smaller than the maximum width of the fixing portion 1 along the left and right sides, so that the deformation space 5 can be enlarged without increasing the volume of the conductive terminal 100, and the elasticity of the first elastic arm 3 and the second elastic arm 4 is improved. The distance between the first straight section 212 and the second straight section 222 is smaller than the distance between the first elastic arm 3 and the second elastic arm 4.
As shown in fig. 2 to 6, the welding portion 6 extends from the fixing portion 1 in a bent manner, and specifically, the welding portion 6 extends from the fixing portion 1 first vertically downward and then horizontally rearward. The welding portion 6 has a welding surface 63 for welding to the circuit board, the welding surface 63 and the board surface of the fixing portion 1 are located on different planes, and the plane where the welding surface 63 is located is not parallel to the board surfaces of the first elastic arm 3 and the second elastic arm 4 (i.e. the plane where the extending surface of the board surface of the first elastic arm 3 and the extending surface of the board surface of the second elastic arm 4 are located intersects with the plane where the welding surface 63 is located); at least one limiting bump 61 for limiting in the vertical direction is protruded from one side edge of the welding part 6, and at least one pair of interference parts 62 are protruded from the left and right sides of the welding part 6; in this embodiment, the welding portion 6 is only provided with one limiting protrusion 61 protruding leftward for limiting with the insulating housing in the up-down direction (in other embodiments, the welding portion 6 may be provided with another number of limiting protrusions 61 along the left or right direction, which is not limited herein), so as to ensure that the welding portion 6 does not displace in the up-down direction; in this embodiment, only one pair of the interference portions 62 is protruded from both left and right sides of the welding portion 6 to be in interference fit with the insulating case, so that the welding portion 6 can be fixed to the insulating case (of course, in other embodiments, two or more pairs of the interference portions 62 may be protruded from the welding portion 6, which is not limited herein), the limit projection 61 is located above the interference portions 62, and the width of the limit projection 61 in the left-right direction is greater than the width of the interference portions 62 in the left-right direction.
As shown in fig. 9 to 10, a second embodiment of the present invention is different from the first embodiment in that: the inner side of the first elastic arm 3 'and the inner side of the second elastic arm 4' are thinned along the left-right direction, so that the thickness of the first elastic arm 3 'along the left-right direction and the thickness of the second elastic arm 4' along the left-right direction are both smaller than the thickness of the fixing part 1 along the up-down direction; after thinning, the first elastic arm 3 'is subjected to bulging and forming through a jig to form the first contact portion 321' protruding leftwards, the second elastic arm 4 'is subjected to bulging and forming through a jig to form the second contact portion 421' protruding rightwards, and when viewed from left to back, the projection of the first contact portion 321 'is overlapped with the projection of the second contact portion 421'; the first elastic arm 3 ' is connected with the front end of the second elastic arm 4 ' to form an insertion end 8 ', so that the deformation space 5 ' forms a closed loop space, and the deformation space 5 ' between the plate surface at the inner side of the first elastic arm 3 ' and the plate surface at the inner side of the second elastic arm 4 ' can be further increased due to the thinning of the inner side of the first elastic arm 3 ' and the inner side of the second elastic arm 4 ', so that the first elastic arm 3 ' and the second elastic arm 4 ' have larger elasticity, and the problem of elastic fatigue is more effectively avoided. The folding portion 2 'further extends forward to form a supporting arm 7' located below the first elastic arm 3 'and the second elastic arm 4', so as to avoid restricting the deformation of the first elastic arm 3 'and the second elastic arm 4', and the end of the supporting arm 7 'is connected to the insertion end 8', so that the first elastic arm 3 'and the second elastic arm 4' are more stable, the first contact portion 321 'and the second contact portion 421' can be stably abutted to the abutting terminal, so as to reduce elastic fatigue, and make the first elastic arm 3 'and the second elastic arm 4' more resistant to insertion and extraction. The projection of the supporting arm 7 ' is located between the projection of the first elastic arm 3 ' and the projection of the second elastic arm 4 ' as seen from bottom to top. In this embodiment, the plate surface of the first elastic arm 3 'and the plate surface of the second elastic arm 4' are still perpendicular to the plane of the welding surface 63, which is the same as the first embodiment.
To sum up, the utility model discloses a conductive terminal 100 has following beneficial effect:
1. the first elastic arm 3 protrudes leftward to form the first contact portion 321, the board surface of the first contact portion 321 and the board surface of the first elastic arm 3 both face the left side, the board surface of the first contact portion 321 contacts the butt terminal, the second elastic arm 4 protrudes rightward to form the second contact portion 421, the board surface of the second contact portion 421 and the board surface of the second elastic arm 4 both face the right side, the board surface of the second contact portion 421 contacts the butt terminal, and the smooth board surfaces of the conductive terminal 100 are formed as the first contact portion 321 and the second contact portion 421, so that the conductive terminal 100 has better contact performance and better electrical performance, and avoids the scratching damage of the conductive terminal 100 due to the blank surface facing the butt terminal, and meanwhile, by providing the folding portion 2 folded in the left-right direction, a larger deformation space 5 is formed between the board surface inside the second elastic arm 4 and the board surface inside the first elastic arm 3 in the left-right direction, so that the first elastic arm 3 and the second elastic arm 4 have larger elastic fatigue, and the problem of effective contact of the second elastic contact portion 321 and the second stable elastic arm can be guaranteed, and the problem of the contact of the bullet can be improved.
2. One side of the second elastic arm 4 is provided with the protruding portion 4211 in a downward protruding manner, because the second extending portion 42 and the first extending portion 32 are arranged in a staggered manner in the left-right direction, the protruding portion 4211 extends downward from the second extending portion 42 located above and overlaps with the projection of the first extending portion 32, so that the second elastic arm 4 and the first elastic arm 3 can keep stress balance when being inserted into the butt terminal, and avoid inclination in the insertion process, the plate surface of the protruding portion 4211 is configured as a part of the second contact portion 421, so that the plate surface of the second contact portion 421 is larger than the plate surface of the first contact portion 321, the contact area between the second contact portion 421 and the butt terminal is increased, the lower end surface of the protruding portion 4211 does not exceed the plane where the bottom surface of the first elastic arm 3 is located, and the protruding portion 4211 is prevented from being too long to be inserted into the cylindrical portion of the butt terminal.
3. The first elastic arm 3 includes the first reinforcing portion 31 extending forward from the first side plate 21 and the first extending portion 32 extending forward from the first reinforcing portion 31, so that the width of the first reinforcing portion 31 in the up-down direction is greater than the width of the first extending portion 32 in the up-down direction, by providing the first reinforcing portion 31, the second elastic arm 4 includes the second reinforcing portion 41 extending forward from the second side plate 22 and the second extending portion 42 extending forward from the second reinforcing portion 41, a projection of the first reinforcing portion 31 and a projection of the second reinforcing portion 41 overlap when viewed from left to right, so that the width of the second reinforcing portion 41 in the up-down direction is greater than the width of the second extending portion 42 in the up-down direction, the strength of the first elastic arm 3 and the second elastic arm 4 is enhanced and made difficult to fall, the first extending portion 32 and the second extending portion 42 form a misalignment in the left-right direction, so that when the conductive terminal 100 is inserted into the cylindrical portion of the mating terminal, the first elastic arm 32 and the second elastic arm 42 can make the elastic arm 42 deform to each other when the conductive terminal 100 is inserted into the cylindrical portion of the mating terminal, and the first elastic arm 32 and the second elastic arm 4 can be prevented from being elastically deformed, so that the first elastic arm 3 and the second elastic arm 4 can be easily collided with each other, and the second elastic arm 3 and the second elastic arm can be inserted into the mating terminal, and the mating terminal.
4. The board of the second elastic arm 4 inboard with have along the left and right direction between the board of first elastic arm 3 inboard deformation space 5 makes first elastic arm 3 with second elastic arm 4 has better elasticity, the front end of first elastic arm 3 with the front end of second elastic arm 4 overlaps along upper and lower direction mutually, makes conductive terminal 100 inserts in the in-process of butt joint terminal, first elastic arm 3 with can stagger each other smoothly and can not bump each other when second elastic arm 4 atress takes place elastic deformation, the distance between the board of first contact site 321 with the board of second contact site 421 is less than fixed part 1 is along the maximum width of left and right sides for under the circumstances that does not increase conductive terminal 100 volume, can increase deformation space 5, improve the elasticity of first elastic arm 3 with second elastic arm 4.
5. The inner side of the first elastic arm 3 ' and the inner side of the second elastic arm 4 ' are thinned along the left-right direction, so that the thickness of the first elastic arm 3 ' along the left-right direction and the thickness of the second elastic arm 4 ' along the left-right direction are smaller than the thickness of the fixing part 1 along the up-down direction, the deformation space 5 ' between the plate surface of the inner side of the first elastic arm 3 ' and the plate surface of the inner side of the second elastic arm 4 ' can be further increased, the first elastic arm 3 ' and the second elastic arm 4 ' have larger elasticity, and the problem of elastic fatigue is effectively avoided.
The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention and not for the purpose of limiting the scope of the present invention, therefore, all the modifications of the equivalent techniques using the content of the present specification and the drawings are included in the scope of the present invention.
Claims (15)
1. Conductive terminal, is used for inserting a butt joint terminal, its characterized in that includes:
the fixing part is horizontally arranged;
the folding part extends forwards from the fixing part and is folded along the left-right direction to form a first side plate and a second side plate;
the first elastic arm extends forwards from the first side plate, the first elastic arm protrudes leftwards to form a first contact part, the plate surface of the first contact part and the plate surface of the first elastic arm face towards the left side, and the plate surface of the first contact part is in contact with the butt terminal;
a second elastic arm, certainly the second curb plate extends forward and forms, the second elastic arm right side protrusion forms a second contact site, the face of second contact site with the face of second elastic arm all faces the right side, the face of second contact site with butt joint terminal contacts, the inboard face of second elastic arm with there is a deformation space along left right direction between the inboard face of first elastic arm, the second elastic arm with first elastic arm is along the at least partial dislocation of left right direction.
2. An electrically conductive terminal as claimed in claim 1, wherein the front end of the second resilient arm overlaps the front end of the first resilient arm in a vertical direction, and the plate surface of the first resilient arm and the plate surface of the second resilient arm are perpendicular to the plate surface of the fixing portion.
3. The electrically conductive terminal of claim 1, wherein the front end of the first resilient arm has a first cut surface such that the front end of the first resilient arm has a dimension in the up-down direction that is less than a dimension in the up-down direction of the remaining portion of the first resilient arm, and the front end of the second resilient arm has a second cut surface such that the front end of the second resilient arm has a dimension in the up-down direction that is less than a dimension in the up-down direction of the remaining portion of the second resilient arm.
4. The electrical conducting terminal according to claim 1, wherein the deformation space gradually increases from the rear to the front to the maximum and then gradually decreases until the front end of the first resilient arm and the front end of the second resilient arm overlap in the up-down direction.
5. The conductive terminal of claim 1, wherein a projection is formed on one side of the second resilient arm and projects downward, and a projection of the projection overlaps a projection of the first resilient arm when viewed from left to right, and a plate surface of the projection is configured as a portion of the second contact portion, such that the plate surface of the second contact portion is larger than the plate surface of the first contact portion.
6. An electrically conductive terminal as claimed in claim 5, wherein the lower end surface of the protrusion does not exceed the plane of the bottom surface of the first resilient arm, and the protrusion has a thickness in the left-right direction which is less than the thickness of the second resilient arm in the left-right direction.
7. The conductive terminal of claim 1, wherein the first resilient arm includes a first reinforcing portion extending forward from the first side plate and a first extending portion extending forward from the first reinforcing portion, a width of the first reinforcing portion in the up-down direction is greater than a width of the first extending portion in the up-down direction, the second resilient arm includes a second reinforcing portion extending forward from the second side plate and a second extending portion extending forward from the second reinforcing portion, a projection of the first reinforcing portion overlaps a projection of the second reinforcing portion as viewed in a left-to-right direction, and a width of the second reinforcing portion in the up-down direction is greater than a width of the second extending portion in the up-down direction, such that the first extending portion and the second extending portion are offset in the left-to-right direction.
8. The conductive terminal as claimed in any one of claims 1-7, further comprising a soldering portion bent backward from the fixing portion, at least one limiting protrusion protruding from one side edge of the soldering portion for limiting in the up-down direction, at least one pair of interference portions protruding from the left and right sides of the soldering portion, the limiting protrusion being located above the interference portions, and the width of the limiting protrusion in the left-right direction being greater than the width of the interference portions in the left-right direction.
9. The conductive terminal of claim 1, wherein the first side plate includes a first twisted section extending forward from the fixed portion and a first straight section extending forward from the first twisted section, and the second side plate includes a second twisted section extending forward from the fixed portion and a second straight section extending forward from the second twisted section, and a distance between the first straight section and the second straight section is less than a distance between the first resilient arm and the second resilient arm.
10. The conductive terminal of claim 9, wherein the first twisted section and the second twisted section each gradually converge from the fixed portion toward the first flat section and the second flat section and form a flared recess to strengthen the connection between the first flat section and the fixed portion.
11. Conductive terminal, one end is used for an electric connection circuit board, and the other end docks with a butt joint terminal, its characterized in that includes:
the fixing part is horizontally arranged;
the folding part extends forwards from the fixing part and is folded along the left-right direction to form a first side plate and a second side plate;
the first elastic arm extends forwards from the first side plate, the first elastic arm protrudes leftwards to form a first contact part, the plate surface of the first contact part and the plate surface of the first elastic arm face towards the left side, and the plate surface of the first contact part is in contact with the butt terminal;
the second elastic arm extends forwards from the second side plate, the second elastic arm protrudes rightwards to form a second contact part, the plate surface of the second contact part and the plate surface of the second elastic arm face towards the right side, the plate surface of the second contact part is in contact with the butt joint terminal, and a deformation space is formed between the plate surface on the inner side of the second elastic arm and the plate surface on the inner side of the first elastic arm along the left-right direction;
the welding part is formed by bending and extending the rear end of the fixing part backwards, the welding part is provided with a welding surface for welding the circuit board, and the plane where the welding surface is located is not parallel to the plate surface of the first elastic arm and the plate surface of the second elastic arm.
12. The conductive terminal as claimed in claim 11, wherein the first resilient arm is connected to a front end of the second resilient arm to form an insertion end, the folded portion extends forward to form a supporting arm located below the first resilient arm and the second resilient arm, a distal end of the supporting arm is connected to the insertion end, and a projection of the supporting arm is located between a projection of the first resilient arm and a projection of the second resilient arm when viewed from bottom to top.
13. The conductive terminal as claimed in claim 11, wherein the first resilient arm and the second resilient arm each have a thickness in the left-right direction smaller than a thickness of the fixing portion in the up-down direction, the first resilient arm is rounded to form a projection projecting leftward from the first contact portion, the second resilient arm is rounded to form a projection projecting rightward from the second contact portion, and a projection of the first contact portion overlaps a projection of the second contact portion when viewed from the left rearward.
14. The conductive terminal of claim 11, wherein the left and right sides of the fixing portion have barbs, and a distance between the plate surface of the first contact portion and the plate surface of the second contact portion is less than a maximum width of the fixing portion along the left and right sides.
15. The conductive terminal as claimed in claim 11, wherein the soldering portion is formed by extending the fixing portion vertically downward and then horizontally rearward, and the plate surfaces of the first and second resilient arms are perpendicular to the plane of the soldering surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221100164.8U CN218770191U (en) | 2022-05-09 | 2022-05-09 | Conductive terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221100164.8U CN218770191U (en) | 2022-05-09 | 2022-05-09 | Conductive terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218770191U true CN218770191U (en) | 2023-03-28 |
Family
ID=85643083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221100164.8U Active CN218770191U (en) | 2022-05-09 | 2022-05-09 | Conductive terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218770191U (en) |
-
2022
- 2022-05-09 CN CN202221100164.8U patent/CN218770191U/en active Active
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