High-coplanarity double-row signal terminal module
By using a high coplanarity double-row signal terminal module formed by punching and blanking a flat strip and bending it twice, the problems of multiple forming and insufficient precision in the existing technology are solved, and efficient and low-cost terminal module manufacturing is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-03-27
AI Technical Summary
Existing signal terminal modules require multiple forming processes, resulting in wasted time, overlapping or interference of material strips, difficulty in meeting welding coplanarity requirements, increased costs, and poor accuracy.
Short and long terminals are formed by punching and blanking a flat strip. The two rows are then bent into one row structure through a second bending process. Combined with the design of the reference end piece and the transverse coplanar plate, the terminals are aligned and have high coplanarity.
It achieves one-time forming, avoids material strip overlap and interference, improves bending accuracy and welding coplanarity, reduces costs, meets technical requirements within 0.1, and improves the accuracy of the insertion position.
Smart Images
Figure CN224053451U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of electrical connection, especially a kind of double-row signal terminal module of high coplanarity. BACKGROUND
[0002] Signal terminal module is the important component of connector, mainly for transmitting low-voltage control signal and the monitoring signal of acquisition, such as high-voltage interlock signal, temperature monitoring signal etc.Signal terminal module is usually 90 degrees bending structure, and it is two rows of terminals in the plug-in area and one row of terminals in the pad area, after the terminal of two material bands is assembled, it is bent into one row, its defects are as follows: first, the current design needs multiple molding, waste working hours, the material band of two sets of terminals overlaps or interferes, leading to unable to bend or poor bending precision, thereby increasing cost;Second, the position degree of two kinds of terminals is poor, it is difficult to meet the technical requirement that the welding coplanarity of signal terminal module is within 0.1, and the working hours cost is higher. SUMMARY
[0003] In order to solve one or more of the above problems, the utility model provides a kind of double-row signal terminal module of high coplanarity.
[0004] According to one aspect of the utility model, the double-row signal terminal module of high coplanarity includes: reference end piece and the short terminal, long terminal that are all several that are formed by plane material band punching blanking,
[0005] The lower end of the reference end piece is integrally connected with the short terminal and the long terminal, which are equally spaced and alternately distributed on the upper end of the reference end piece.
[0006] The lower end of the short terminal is a vertical first pad section, and the upper end of the plurality of first pad sections is formed into a row of equally spaced and longitudinally horizontal first plug-in ends by right-angle bending.
[0007] The lower end of the long terminal is a vertical second pad section, and the middle section is a vertical third pad section, the second pad section and the first pad section are located on the same vertical plane, the second pad section and the third pad section are located on the front and rear two vertical planes and are integrally connected by a longitudinal offset plate, the upper end of the plurality of third pad sections is formed into a row of equally spaced and longitudinally horizontal second plug-in ends by right-angle bending, the third pad section is located above the first pad section, and the second plug-in ends are higher than the first plug-in ends, and the transverse co-site plate at the rear end of the second plug-in ends aligns the two rows of second plug-in ends and first plug-in ends vertically.
[0008] In some embodiments, the plane material band forms a middle workpiece with a plane structure by punching blanking, the middle workpiece includes a reference end piece and a plurality of short needle bodies and long needle bodies alternately and equally spaced connected on the lower end of the reference end piece, the short needle bodies, the long needle bodies and the reference end piece are coplanar, the second plug-in ends on the upper end of the long needle bodies and the first plug-in ends on the upper end of the short needle bodies are vertically collinear and arranged vertically, and the transverse co-site plate at the lower end of the second plug-in ends is higher than the first plug-in ends.
[0009] In some embodiments, the first flaps at the lower end of the short needle body and the second flaps at the lower end of the long needle body are simultaneously bent once backward, and the bent lower ends of both form high-coplanar first and second lower connecting ends, and the bent upper ends form high-coplanar first and second surface attaching segments.
[0010] In some embodiments, the upper end of the second surface attaching segment is bent twice to form a longitudinal staggered plate, and a third surface attaching segment is vertically connected to the lower end of the longitudinal staggered plate.
[0011] The upper end of the first surface attaching segment is bent at a right angle to make the first pair of insertion ends longitudinally horizontally arranged, the upper end of the third surface attaching segment is bent at a right angle to make the second pair of insertion ends longitudinally horizontally arranged, and each group of the first and second pairs of insertion ends is coplanar.
[0012] In some embodiments, the first surface attaching segment has a first diagonal flap in the middle, and the third surface attaching segment has a second diagonal flap parallel to the first diagonal flap, and after being punched twice, the two rows of first and second diagonal flaps are staggered and parallelly arranged.
[0013] In some embodiments, the reference end flap is rectangular and has a plurality of process holes equally spaced in the middle.
[0014] In some embodiments, after the punching and blanking, the height difference between the horizontal co-site plate and the upper end of the short needle body is H1; after the bending, the height difference between the second pair of insertion ends and the first pair of insertion ends is H2, the length of the longitudinal staggered plate is L, and H1>H2+2L.
[0015] In some embodiments, the first, second, and third surface attaching segments integrally injection-mold the vertical end plate of the connector housing, and the first and second pairs of insertion ends integrally injection-mold the plug-in cavities of the connector housing with the tips exposed.
[0016] In some embodiments, after the double-row signal terminal module and the connector housing are integrally injection-molded, the reference end flap is cut, and the first and second lower connecting ends that protrude outward become high-coplanar lower connecting ends.
[0017] In some embodiments, the double-row signal terminal module is applied to an SMT quick plug-in connector or a through-cylinder plate connector.
[0018] The double-row signal terminal module with high coplanarity degree is formed by punching and blanking a plane tape to form regular short terminals and long terminals, and then is formed into a two-to-one structure by secondary bending, and has the following beneficial effects: 1. The structure only needs to be formed once, effectively saves time, avoids the problem of tape overlapping interference, and compared with double-tape overlapping, the bending is more convenient and has high bending precision, thereby effectively reducing the cost; 2. The structure effectively integrates the short terminals and the long terminals through the reference end piece, the precision of the welding end is realized by punching and blanking, and the reference end piece is always retained during the bending process, so that higher welding coplanarity can be easily obtained, the welding coplanarity has high reliability, can meet the technical requirement of 0.1 or less, and the time and cost are low; 3. The transverse co-site plate is arranged to ensure that the second pair of insertion ends and the first pair of insertion ends are designed to be aligned up and down, and the subsequent insertion position has high precision. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a three-dimensional schematic view of a double-row signal terminal module with high coplanarity degree according to an embodiment of the present application.
[0020] Figure 2 It is a three-dimensional schematic view of a double-row signal terminal module with high coplanarity degree according to an embodiment of the present application. Figure 1 It is a front view schematic view of the double-row signal terminal module.
[0021] Figure 3 It is a front view schematic view of the double-row signal terminal module. Figure 2 It is a front view schematic view of the double-row signal terminal module.
[0022] Figure 4 It is a front view schematic view of the double-row signal terminal module. Figure 3 It is a front view schematic view of the double-row signal terminal module.
[0023] Figure 5 It is a three-dimensional schematic view of a double-row signal terminal module with high coplanarity degree applied to a connector. Figure 1
[0024] Double-row signal terminal module 00, reference end piece 1, process hole 10, short terminal 2, first pair of insertion ends 20, first surface 21, first inclined piece 22, first lower connecting end 23, long terminal 3, second pair of insertion ends 30, second surface 31, third surface 32, longitudinal offset plate 33, transverse co-site plate 34, second inclined piece 35, second lower connecting end 36.
[0025] Intermediate workpiece 01, short needle body 011, long needle body 012, first vertical piece 013, second vertical piece 014; plane tape 02.
[0026] Connector housing 03, vertical end plate 031, insertion cavity 032. DETAILED DESCRIPTION
[0027] The utility model will be further explained in detail below in combination with the drawings. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a specific component.
[0028] Figures 1 to 5 A high co-planarity double-row signal terminal module according to an embodiment of the utility model is schematically shown. As shown in the figure, the high co-planarity double-row signal terminal module comprises a reference end piece 1 and a plurality of short terminals 2 and long terminals 3, which are punched and blanked from a planar tape 02. Preferably, the reference end piece 1 is a rectangular sheet with a plurality of process holes 10 arranged at equal intervals in the middle.
[0029] The lower ends of the short terminals 2 and the long terminals 3 are integrally connected at equal intervals and alternately distributed on the upper end of the reference end piece 1.
[0030] The lower end of the short terminal 2 is a vertical first surface 21, and the upper end of a plurality of first surfaces 21 is right-angled to form a row of equal-interval and longitudinally horizontal first pairs of insertion ends 20.
[0031] The lower end of the long terminal 3 is a vertical second surface 31, and the middle section is a vertical third surface 32. The second surface 31 and the first surface 21 are located in the same vertical plane, and the second surface 31 and the third surface 32 are located in front and back two vertical planes and are integrally connected through a longitudinal offset plate 33. The upper end of a plurality of third surfaces 32 is right-angled to form a row of equal-interval and longitudinally horizontal second pairs of insertion ends 30. The third surface 32 is located above the first surface 21, and the second pairs of insertion ends 30 are higher than the first pairs of insertion ends 20. A horizontal co-site plate 34 is arranged in the middle of the second pairs of insertion ends 30, which aligns the two rows of second pairs of insertion ends 30 and the first pairs of insertion ends 20 vertically.
[0032] The high co-planarity double-row signal terminal module is punched and blanked from a planar tape 02 to form regularly arranged short terminals 2 and long terminals 3, and then two rows are converted into one row through secondary bending. The beneficial effects are as follows: first, the structure only needs to be formed once, effectively saving time, and avoiding the problem of overlapping interference of the tape. Compared with the double-tape overlapping, the bending is more convenient and has high bending precision, effectively reducing the cost. Second, the structure effectively integrates the short terminals 2 and the long terminals 3 through the reference end piece 1. The precision of the welding end is realized through punching and blanking, and the reference end piece 1 is always retained during bending processing. Therefore, it is easy to obtain higher welding co-planarity, the welding co-planarity has high reliability, and the technical requirement of 0.1 or less can be achieved, which has low labor cost. Third, the horizontal co-site plate 34 is arranged to ensure the vertical alignment design of the second pairs of insertion ends 30 and the first pairs of insertion ends 20, and the subsequent insertion position has high precision.
[0033] Further, the flat strip 02 is punched and blanked to form the intermediate workpiece 01 of the flat structure, which comprises the reference end piece 1 and a plurality of short needle bodies 011 and long needle bodies 012 connected in turn and alternately and equidistantly at the lower end of the reference end piece 1; the short needle bodies 011, the long needle bodies 012 and the reference end piece 1 are coplanar, the second pair of insertion ends 30 at the upper end of the long needle bodies 012 and the first pair of insertion ends 20 at the upper end of the short needle bodies 011 are vertically collinear and arranged vertically; the horizontal co-site plate 34 at the lower end of the second pair of insertion ends 30 is higher than the first pair of insertion ends 20. The beneficial effect is that the structure feature is easy to obtain high precision in blanking processing, and is convenient for subsequent bending processing.
[0034] Further, the first vertical piece 013 of the short needle body 011 connected with the reference end piece 1 and the second vertical piece 014 of the long needle body 012 connected with the reference end piece 1 are arranged in turn and alternately and equidistantly, the middle sections of the two are bent once at the same time, the lower ends of the two form the first lower connecting end 23 and the second lower connecting end 36 with high coplanarity, and the upper ends of the two form the first surface attachment section 21 and the second surface attachment section 31 with high coplanarity. Preferably, the coplanarity of the first surface attachment section 21 and the second surface attachment section 31 is higher than 0.08. The beneficial effect is that the setting can obtain good coplanarity, which is convenient for subsequent welding process.
[0035] Further, the second surface attachment section 31 is formed by twice bending to form a longitudinal displacement plate 33 and a third surface attachment section 32 vertically connected at the lower end of the longitudinal displacement plate 33; the first pair of insertion ends 20 is arranged longitudinally and horizontally by right-angle bending of the upper end of the first surface attachment section 21, the second pair of insertion ends 30 is arranged longitudinally and horizontally by right-angle bending of the upper end of the third surface attachment section 32, and each group of the first pair of insertion ends 20 and the second pair of insertion ends 30 is coplanar vertically. Preferably, the first surface attachment section 21 is provided with a first inclined piece 22 in the middle, the third surface attachment section 32 is provided with a second inclined piece 35 parallel to the first inclined piece 22, after punching and blanking, the distance between the first inclined piece 22 and the first inclined piece 34 is the height of the longitudinal displacement plate 33, and after twice stamping, the two rows of first inclined pieces 22 and second inclined pieces 35 are staggered and parallel in front and back. Preferably, after punching and blanking, the height difference between the horizontal co-site plate 34 and the upper end surface of the short needle body 011 is H1; after bending, the height difference between the second pair of insertion ends 30 and the first pair of insertion ends 20 is H2, the length of the longitudinal displacement plate 33 is L, and H1>H2+2L; that is, the second pair of insertion ends 30 and the first pair of insertion ends 20 are vertically aligned after right-angle bending. The beneficial effect is that the setting is convenient for processing to obtain good coplanarity.
[0036] Further, the first facing section 21, the second facing section 31 and the third facing section 32 are integrally injection-molded with the vertical end plate 031 of the connector housing 03, and the first pair of insertion ends 20 and the second pair of insertion ends 30 are integrally injection-molded with the insertion cavity 032 of the connector housing 03 and exposed at the end. Preferably, after the double-row signal terminal module 00 and the connector housing 03 are integrally injection-molded, the reference end piece 1 is cut, and the first lower connecting end 23 and the second lower connecting end 36 which are extended outward become high-coplanar lower connecting ends. The beneficial effect is that the structure not only achieves good coplanarity requirements, but also can prevent water from entering from the end face.
[0037] Preferably, the double-row signal terminal module 00 is applied to an SMT quick insertion connector or a through-cylinder connector. The module can be widely applied to various connector structures.
[0038] The above only describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept, a number of modifications and improvements can be made, which are all within the scope of protection of the present application.
Claims
1. A high co-planarity double row signal terminal module characterized by, The utility model relates to a kind of short terminal and long terminal of standard end piece, including: Reference end piece (1) and the short terminal (2) of equal number, long terminal (3) being punched out from plane belt (02) by punching blanking, The lower end of the reference end piece (1) is integrally connected with the short terminal (2) and the long terminal (3) of equal interval and alternate distribution; The lower end of the short terminal (2) is the vertical first veneer section (21), and the upper end of a plurality of first veneer sections (21) is formed into a row of equal interval and longitudinal horizontal first pair of insertion ends (20) by right-angle bending; The lower end of the long terminal (3) is the vertical second veneer section (31), and the middle section is the vertical third veneer section (32), the second veneer section (31) and the first veneer section (21) are located in the same vertical plane, the second veneer section (31) and the third veneer section (32) are located in front and back two vertical planes and are integrally connected by longitudinal staggered plate (33), the upper end of a plurality of third veneer sections (32) is formed into a row of equal interval and longitudinal horizontal second pair of insertion ends (30) by right-angle bending, the third veneer section (32) is located above the first veneer section (21), and the second pair of insertion ends (30) is higher than the first pair of insertion ends (20), the transverse co-site plate (34) at the rear end of the second pair of insertion ends (30) makes two rows of second pair of insertion ends (30) and first pair of insertion ends (20) align vertically.
2. A high co-planarity double-in-line signal terminal module according to claim 1, wherein The plane belt (02) is formed into the intermediate workpiece (01) of plane structure by punching blanking, the intermediate workpiece (01) includes reference end piece (1) and a plurality of short needle body (011) and long needle body (012) connected in equal interval in turn at the lower end of the reference end piece (1), the short needle body (011), the long needle body (012) and the reference end piece (1) are coplanar, the second pair of insertion ends (30) at the upper end of the long needle body (012) and the first pair of insertion ends (20) at the upper end of the short needle body (011) are vertically collinear and arranged vertically, and the transverse co-site plate (34) at the lower end of the second pair of insertion ends (30) is higher than the first pair of insertion ends (20).
3. A high co-planarity double-in-line signal terminal module according to claim 2, wherein The middle section of the first vertical piece (013) at the lower end of the short needle body (011) and the second vertical piece (014) at the lower end of the long needle body (012) is bent back once at the same time, and the bent lower ends of the two form the first lower connecting end (23) and the second lower connecting end (36) with high coplanarity, and the bent upper ends form the first veneer section (21) and the second veneer section (31) with high coplanarity.
4. A high co-planarity double-in-line signal terminal module according to claim 3, wherein The upper end of the second veneer section (31) is bent twice to form the longitudinal staggered plate (33) and the third veneer section (32) connected vertically at the lower end of the longitudinal staggered plate (33); The upper end of the first veneer section (21) is right-angle bent to make the first pair of insertion ends (20) arranged longitudinally and horizontally, the upper end of the third veneer section (32) is right-angle bent to make the second pair of insertion ends (30) arranged longitudinally and horizontally, and each group of first pair of insertion ends (20) and second pair of insertion ends (30) are coplanar vertically.
5. A high co-planarity double-in-line signal terminal module according to claim 4, wherein The first veneer section (21) is provided with the first inclined piece (22) in the middle, the third veneer section (32) is provided with the second inclined piece (35) parallel to the first inclined piece (22), and after secondary stamping, two rows of first inclined pieces (22) and second inclined pieces (35) are staggered and parallel in front and back.
6. The dual row signal terminal module of claim 1, wherein, The reference end piece (1) is rectangular and has a plurality of process holes (10) equidistantly arranged in the middle.
7. The double row signal terminal module of claim 1, wherein, After the punching and blanking, the height difference of the upper end surface of the transverse misalignment plate (34) and the short needle body (011) is H1; after the bending, the height difference of the second pair of insertion ends (30) and the first pair of insertion ends (20) is H2, and the length of the longitudinal misalignment plate (33) is L, H1>H2+2L.
8. A high co-planarity double-in-line signal terminal module according to claim 7, wherein The first facing section (21), the second facing section (31) and the third facing section (32) are integrally injection-molded with the vertical end plate (031) of the connector housing (03), the first pair of insertion ends (20) and the second pair of insertion ends (30) are integrally injection-molded with the plug-in cavity (032) of the connector housing (03) and the end heads are exposed.
9. A high co-planarity double-in-line signal terminal module according to claim 8, wherein, After the double-row signal terminal module (00) and the connector housing (03) are integrally injection-molded, the reference end piece (1) is cut, and the first lower connection end (23) and the second lower connection end (36) which are extended outward become high-coplanar lower connection ends.
10. A high co-planarity double-in-line signal terminal module according to any one of claims 1 to 9, wherein The double-row signal terminal module (00) is applied to an SMT quick plug-in connector or a through-cylinder plate connector.