CN203840646U - Electronic element shell and filter having the same - Google Patents

Abstract

The utility model discloses an electronic element shell and a filter having the same. The shell (11) comprises a bottom portion (21), a side portion (22) and a plurality of terminals (23). The periphery of the bottom portion is surrounded by the side portion. The side portion and the bottom portion form an accommodation space (25) collectively. Two opposite sides of the side portion are provided with an electrical connection portion (26) separately. One side of the electrical connection portion which does not face the bottom portion is provided with a top surface (27). The terminals are embedded into the electrical connection portions and the bottom portion. One end of each terminal is extended out from the top surface, and the other end of each terminal is extended out from the bottom portion. The terminals are arranged to be a first row of terminals (231) and a second row of terminals (232). The first row of terminals is located between the second row of terminals and the accommodation space. The first row of terminals and the second row of terminals are staggered to each other. According to the utility model, the production efficiency and the yield can be improved, and the production cost can be reduced.

Description

The housing of electronic component and the filter with this housing

Technical field

The utility model is about a kind of housing, particularly about a kind of housing of electronic component and the filter with this housing.

Background technology

Existing filter (transformer) has comprised housing, a plurality of coil and a plurality of terminal, and housing is formed with accommodation space, and terminal is plugged in the sidepiece of housing, and coil is arranged in accommodation space, and the lead-in wire that coil is pulled out is soldered to terminal.In the situation that the number of terminals of filter is a lot, described terminal can adopt mode in a row to arrange, but be to be in alignment with each other between row and row's terminal, therefore the spacing between adjacent two rows' terminal is quite narrow, difficulty when so structure can make wicking raises, and easily causes between adjacent two lead-in wires and connect tin and short circuit.During due to wicking, be that filter tilt is immersed in tin, the terminal that is therefore positioned at outboard row can soak deeply and time of immersing longer, easily cause broken string.In addition, because respectively arrange, terminal flushes (height with respect to bottom is identical) and row is in alignment with each other with the terminal of arranging, while lead-in wire being wrapped on terminal with winding tool, easily block, cause production efficiency low, if and lead-in wire need to be with on the direct solder terminal of mode of spot welding, not only comparatively waste time and energy, be also easier to need reweld because welding failure.In addition, the upper cover of housing is by some glue mode, to be fixed on the sidepiece of housing, and production efficiency is poor.In sum, the shell structure of existing filter, can cause that production efficiency is low, qualification rate declines, and cost increases.

Utility model content

The purpose of this utility model is the housing and the filter with this housing that proposes a kind of electronic component, to reducing the difficulty of wicking, the convenient wicking degree of depth of controlling, avoid because the inhomogeneous problem that causes broken string of wicking, and can separate the lead-in wire company of avoiding tin, when using winding tool that lead-in wire is around in to terminal, be not easy to be blocked by terminals of adjacent, and fix with engaging replacement point glue, enhance productivity by this with qualification rate and reduce production costs.

For achieving the above object, the utility model proposes a kind of housing of electronic component.Housing comprises bottom, sidepiece and a plurality of terminal.Lateral ring is around the periphery that is arranged on bottom, and accommodation space is formed jointly on sidepiece and bottom, and the relative both sides of sidepiece respectively have electrical connection section, and an electrical connection section dorsad side of bottom has end face.Described terminal is embedded in electrical connection section and bottom, and one end of terminal passes from end face, and the other end of terminal passes from bottom.Described terminal board is shown first row and second row, and first row is between second row and accommodation space, and the terminal of first row and the terminal of second row misplace each other.

In the utility model one embodiment, described end face is concaved with a plurality of the first wire lead slots and a plurality of the second wire lead slot, the first wire lead slot is corresponding to the terminal setting of first row and connect accommodation space, the second wire lead slot is corresponding to the terminal setting of second row and connect accommodation space, described the first wire lead slot and the arrangement interlaced with each other of described the second wire lead slot.

In the utility model one embodiment, described terminal is further arranged with the 3rd row, first row and second row are between the 3rd row and accommodation space, and the 3rd row's terminal and the terminal of second row misplace each other, and the 3rd row's terminal and the terminal of first row misplace each other.

In the utility model one embodiment, described end face is further concaved with a plurality of the 3rd wire lead slots, and the 3rd wire lead slot is corresponding to the 3rd terminal setting of arranging and connect the second wire lead slot.

In the utility model one embodiment, described the 3rd wire lead slot has bending segment, contiguous the 3rd row's in one end of bending segment terminal, and the other end of bending segment connects the second wire lead slot.

In the utility model one embodiment, described end face further comprises the 3rd cascaded surface, and the 3rd cascaded surface sinks toward the direction of bottom, and the 3rd row's terminal passes from the 3rd cascaded surface.

In the utility model one embodiment, described end face further comprises the first cascaded surface and second-order tread, second-order tread sinks toward the direction of bottom, the terminal of first row passes from the first cascaded surface, the terminal of second row passes from second-order tread, wherein, the first cascaded surface is greater than second-order tread with respect to the spacing of bottom with respect to the spacing of bottom, and second-order tread is greater than the 3rd cascaded surface with respect to the spacing of bottom with respect to the spacing of bottom.

In the utility model one embodiment, one end that the terminal of described first row passes the first cascaded surface has the first end, one end that the terminal of second row passes second-order tread has the second end, one end that the 3rd row's terminal passes the 3rd cascaded surface has the 3rd end, the first end is greater than the second end with respect to the spacing of bottom with respect to the spacing of bottom, and the second end is greater than the 3rd end with respect to the spacing of bottom with respect to the spacing of bottom.

In the utility model one embodiment, described housing further comprises cap, and the relative both sides of cap are provided with snap fit, and wherein, the both sides of sidepiece are provided with draw-in groove, and cap is placed on end face and seals accommodation space, and snap fit is sticked in draw-in groove.

For achieving the above object, the utility model also proposes a kind of filter, and it comprises aforesaid housing and a plurality of loop coil, described loop coil is arranged in described accommodation space, wherein, loop coil is extended with lead-in wire, and described lead-in wire connects respectively described terminal.

The housing of a kind of electronic component that the utility model proposes and the filter with this housing, can reduce the difficulty of wicking, the convenient wicking degree of depth of controlling, the uniformity while improving wicking is to avoid the inhomogeneous problem that causes broken string of wicking, can also separate the lead-in wire company of avoiding tin, and be not easy to be blocked by terminals of adjacent while using winding tool that lead-in wire is around in to terminal, and with engaging mode fixedly cap and sidepiece.The utility model is enhanced productivity and qualification rate, and reduces production costs.

For allowing the purpose of this utility model, feature and advantage can make those of ordinary skills be more readily understood, below in conjunction with the embodiments, and coordinate accompanying drawing to be described in detail as follows.

Accompanying drawing explanation

The following drawings only schematically illustrates and explains the utility model, does not limit scope of the present utility model.

Fig. 1 is the schematic diagram of the filter of the utility model one embodiment.

Fig. 2 is the schematic diagram of bottom, sidepiece, terminal and the cap of the utility model one embodiment.

Fig. 3 is the enlarged drawing of the a-quadrant of Fig. 2.

Fig. 4 is the vertical view of bottom, sidepiece and the terminal of the utility model one embodiment.

Fig. 5 is the end view of bottom, sidepiece and the terminal of the utility model one embodiment.

Fig. 6 is the front view of bottom, sidepiece and the terminal of the utility model one embodiment.

Fig. 7 is the cutaway view of the cap of the utility model one embodiment.

Fig. 8 is the end view of bottom, sidepiece and the terminal of another embodiment of the utility model.

Identifier declaration:

10 filters

11 housings

21,21A bottom

22,22A sidepiece

23,23A terminal

231,231A first row

232,232A second row

233,233A the 3rd row

234,234A the first end

235,235A the second end

236,236A the 3rd end

24 caps

25 accommodation spaces

26,26A electrical connection section

27,27A end face

271,271A the first cascaded surface

272,272A second-order tread

273 the 3rd cascaded surfaces

31 first wire lead slots

32 second wire lead slots

33 the 3rd wire lead slots

331 bending segments

34 snap fits

35 draw-in grooves.

Embodiment

Referring to Fig. 1 and Fig. 2, Fig. 1 and the filter 10 that Figure 2 shows that the utility model one embodiment.Filter 10 comprises housing 11 and a plurality of loop coils (not illustrating).In other embodiments, described housing also can be adopted by other electron component, such as transformer, inductor etc.Housing 11 comprises bottom 21, sidepiece 22, a plurality of terminal 23 and cap 24.Sidepiece 22 is around the periphery that is arranged on bottom 21, and sidepiece 22 forms accommodation space 25 jointly with bottom 21, and loop coil is arranged in accommodation space 25.The relative both sides of sidepiece 22 respectively have electrical connection section 26, and an electrical connection section 26 dorsad side of bottom 21 has end face 27, and described terminal 23 is embedded in electrical connection section 26 and bottom 21.Because electrical connection section 26 has two and opposition and symmetrical each other, described terminal 23 is also divided into two groups and be symmetricly set in two electrical connection sections 26 and bottom 21.Cap 24 is placed on end face 27, around sidepiece 22 and seal accommodation space 25, form filter 10 as shown in Figure 1.

Please, more simultaneously with reference to Fig. 3 to Fig. 6, Figure 3 shows that the a-quadrant of Fig. 2, shown in Fig. 4 to Fig. 6, be respectively vertical view, end view and the front view of bottom 21, sidepiece 22 and terminal 23.One end of terminal 23 passes from end face 27, and the other end of terminal 23 21 passes from bottom.Particularly, wherein the described terminal 23 on any electrical connection section 26 is arranged with first row 231, second row 232 and the 3rd row 233(and respectively arranges terminal 23 with reference to what rise with dotted line frame in Fig. 4), first row 231 is between second row 232 and accommodation space 25, the 3rd row 233 with respect to first row 231 and second row 232 from accommodation space 25 farthest, first row 231 and second row 232 the 3rd arrange 233 and accommodation space 25 between.Wherein, the terminal 23 of first row 231 misplaces each other with the terminal 23 of second row 232, and the 3rd row's 233 terminal 23 misplaces each other with the terminal 23 of second row 232, and the 3rd row's 233 terminal 23 further misplaces each other with the terminal 23 of first row 231.In other words, as shown in Figure 4, arbitrary terminal 23 of first row 231, second row 232 and the 3rd row 233 in vertical direction can be not overlapping, and the 3rd row's 233 terminal 23 position is in the vertical direction between the terminals of adjacent 23 of first row 231 and second row 232 position in the vertical direction.

End face 27 is further concaved with a plurality of the first wire lead slots 31, a plurality of the second wire lead slot 32 and a plurality of the 3rd wire lead slots 33; In other embodiments, end face also can not need to be arranged with wire lead slot.The first wire lead slot 31 arranges and connects accommodation space 25 corresponding to the terminal 23 of first row 231, the second wire lead slot 32 arranges and connects accommodation space 25, the three wire lead slots 33 corresponding to the terminal 23 of second row 232 and arranges and connect the second wire lead slot 32 corresponding to the 3rd row's 233 terminal 23; In other embodiments, the 3rd wire lead slot also can also directly connect accommodation space corresponding to the 3rd row's terminal setting.As shown in Figure 4, the 3rd wire lead slot 33 has the bending segment 331 of > font, contiguous the 3rd row's 233 in one end of bending segment 331 terminal 23, and the other end of bending segment 331 connects the second wire lead slot 32.As shown in Figure 4, the first wire lead slot 31 and the second wire lead slot 32 are that along continuous straight runs is staggered, and the 3rd wire lead slot 33 is between two adjacent the second wire lead slots 32.What need understanding is, the corresponding terminal 23 of each wire lead slot meeting, because the quantity of terminal 23 of first row 231 and the quantity of the terminal 23 of second row 232 of the present embodiment equates, but the quantity of the 3rd row's 233 terminal 23 is less than the quantity of the terminal 23 of second row 232, thereby the quantity of the 3rd wire lead slot 33 is also less than the quantity of the second wire lead slot 32, as shown in Figure 4, so to have part the second wire lead slot 32 be independent and can not be communicated with the 3rd wire lead slot 33.In other embodiments, if the 3rd row the quantity of terminal and the quantity of the terminal of second row equate, each second wire lead slot can be communicated with the 3rd wire lead slot; Or a plurality of terminals also can only be arranged as first row and second row, so end face also only need be arranged with the first wire lead slot and the second wire lead slot, and wherein, the terminal of first row and second row misplaces each other, and the first wire lead slot and the arrangement interlaced with each other of the second wire lead slot.

End face 27 further comprises the first cascaded surface 271, second-order tread 272 and the 3rd cascaded surface 273, and end face 27 has formed the step structure of second order.The words that first cascaded surface 271 of take is benchmark, second-order tread 272 with respect to the first cascaded surface 271 toward bottom 21 direction sink, and the 3rd cascaded surface 273 with respect to second-order tread 272 toward bottom 21 direction sink, in other words, the first cascaded surface 271 is greater than second-order tread 272 with respect to the spacing of bottom 21 with respect to the spacing of bottom 21, and second-order tread 272 is greater than the 3rd cascaded surface 273 with respect to the spacing of bottom 21 with respect to the spacing of bottom 21.The terminal 23 of first row 231 passes from the first cascaded surface 271, and one end that the terminal 23 of first row 231 passes the first cascaded surface 271 has the first end 234; The terminal 23 of second row 232 passes from second-order tread 272, and one end that the terminal 23 of second row 232 passes second-order tread 272 has the second end 235; The 3rd row's 233 terminal 23 passes from the 3rd cascaded surface 273, and one end that the 3rd row's 233 terminal 23 passes the 3rd cascaded surface 273 has the 3rd end 236.The first end 234 is greater than the second end 235 with respect to the spacing of bottom 21 with respect to the spacing of bottom 21, and the second end 235 is greater than the 3rd end 236 with respect to the spacing of bottom 21 with respect to the spacing of bottom 21.During wicking, can electrical connection section 26 be tilted to immerse in tin, but because the first end 234, the second end 235 and the 3rd end 236 are that hierarchic structure corresponding to the first cascaded surface 271, second-order tread 272 and the 3rd cascaded surface 273 reduces height gradually, therefore be conducive to control the wicking degree of depth, make the first end 234, the second end 235 identical with the degree of depth and time that the 3rd end 236 immerses in tin, so can avoid terminal 23 wickings of outboard row excessively dark, cross the possibility that causes for a long time broken string, raise the efficiency and qualification rate.

Please, more simultaneously with reference to Fig. 2, Fig. 5 and Fig. 7, Figure 7 shows that the cutaway view of the cap 24 of the utility model one embodiment.The relative both sides, inner side of cap 24 are provided with snap fit 34, and the arranged outside on the relative both sides of the non-electric-connecting portion of sidepiece 22 has draw-in groove 35(as shown in Figure 5), when cap 24 is assembled into sidepiece 22, snap fit 34 can be sticked in draw-in groove 35, improves by this cap 24 and sidepiece 22 bonding strength each other.And snap fit 34 of the present utility model can replace traditional viscose fixed form with draw-in groove 35, enhances productivity by this, reduces costs.

Referring again to Fig. 4, the lead-in wire (not illustrating) that loop coil extends can be connected respectively to terminal 23, and each lead-in wire can connect a terminal 23.Wherein, be connected to the lead-in wire of the terminal 23 of first row 231, can pass through the first wire lead slot 31, then be around on the terminal 23 of first row 231.Be connected to the lead-in wire of the terminal 23 of second row 232, can pass through the second wire lead slot 32, then be around on the terminal 23 of second row 232.Be connected to the lead-in wire of the 3rd row's 233 terminal 23, can, first by the leading portion of the second wire lead slot 32, then by the connectivity part of the 3rd wire lead slot 33 and the second wire lead slot 32, by the 3rd wire lead slot 33, then be around on the 3rd row's 233 terminal 23.The latter end part that is connected to terminal 23 due to lead-in wire is all by the first wire lead slot 31, the second wire lead slot 32 and the 3rd wire lead slot 33 separations, and the latter end that can prevent adjacent two lead-in wires during wicking Lian Xier partly occurs and causes short circuit, thereby has promoted efficiency and reliability.And, because first row 231, second row 232 and the 3rd row's 233 terminal 23 misplace and end face 27 formation step structures each other, in other words, spacing between adjacent two rows' terminal 23 increases, except contributing to the company's of preventing tin, during also due to use winding tool, be not easy to be blocked by another row's terminal 23, and weld again after contributing to, by the mode being wound around, lead-in wire is wound into terminal 23, thereby promoted efficiency, reliability, and reduced cost.

Referring again to Fig. 8, Figure 8 shows that bottom 21A, the sidepiece 22A of another embodiment of the utility model and the end view of terminal 23A.The sidepiece 22A of Fig. 8 and terminal 23A are with the difference of terminal 23 compared to the sidepiece 22 of Fig. 1 to Fig. 6, the end face 27A of the electrical connection section 26A of the sidepiece 22A of Fig. 8 only forms the step structure of single order, and end face 27A comprises the first cascaded surface 271A and second-order tread 272A.Second-order tread 272A sinks compared to the first cascaded surface 271A, the terminal 23A of first row 231A and second row 232A passes from the first cascaded surface 271A, and the first end 234A of the terminal 23A of first row 231A is identical with respect to the spacing of bottom 21A with the second end 235A of the terminal 23A of second row 232A, the 3rd end 236A of the terminal 23A of the 3rd row 233A is less than the second end 235A with respect to the spacing of bottom 21A with respect to the spacing of bottom 21A.So construct, in the time of also can avoiding wicking, the terminal 23A meeting that is positioned at the 3rd row 233A in outside causes broken string because wicking is crossed deeply with crossing of a specified duration, can also reduce costs.

Although the utility model discloses as above with embodiment; so it is not intended to limit the utility model; any those of ordinary skills; within not departing from spirit and scope of the present utility model; when doing a little change and retouching, therefore protection range of the present utility model is worked as with being as the criterion that claims were defined.

Claims (10)

1. the housing of electronic component, is characterized in that comprising:

One bottom (21);

One sidepiece (22), it is around the periphery that is arranged on this bottom (21), this sidepiece (22) forms an accommodation space (25) jointly with this bottom (21), the relative both sides of this sidepiece (22) respectively have an electrical connection section (26), and described electrical connection section (26) dorsad side of this bottom (21) has an end face (27); And

A plurality of terminals (23), described terminal (23) is embedded in described electrical connection section (26) and this bottom (21), one end of described terminal (23) passes from described end face (27), the other end of described terminal (23) passes from this bottom (21), described terminal (23) is arranged with a first row (231) and a second row (232), described first row (231) is positioned between described second row (232) and this accommodation space (25), and the terminal (23) of described first row (231) misplaces each other with the terminal (23) of described second row (232).

2. housing as claimed in claim 1, wherein, described end face (27) is concaved with a plurality of the first wire lead slots (31) and a plurality of the second wire lead slots (32), described the first wire lead slot (31) arranges and connects this accommodation space (25) corresponding to the terminal (23) of described first row (231), described the second wire lead slot (32) arranges and connects this accommodation space (25) corresponding to the terminal (23) of described second row (232), described the first wire lead slot (31) and described the second wire lead slot (32) arrangement interlaced with each other.

3. housing as claimed in claim 2, wherein, described terminal (23) is further arranged with one the 3rd row (233), described first row (231) and described second row (232) are positioned between described the 3rd row (233) and this accommodation space (25), described the 3rd row's terminal (23) of (233) and the terminal (23) of described second row (232) misplace each other, and described the 3rd row's terminal (23) of (233) and the terminal (23) of described first row (231) misplace each other.

4. housing as claimed in claim 3, wherein, described end face (27) is further concaved with a plurality of the 3rd wire lead slots (33), and described the 3rd wire lead slot (33) arranges and connect described the second wire lead slot (32) corresponding to described the 3rd row's (233) terminal (23).

5. housing as claimed in claim 4, wherein, described the 3rd wire lead slot (33) has a bending segment (331), contiguous described the 3rd row's (233) in one end of described bending segment (331) terminal (23), and the other end of described bending segment (331) connects described the second wire lead slot (32).

6. housing as claimed in claim 4, wherein, described end face (27) further comprises one the 3rd cascaded surface (273), and described the 3rd cascaded surface (273) sinks toward the direction of this bottom (21), and described the 3rd row's (233) terminal (23) passes from described the 3rd cascaded surface (273).

7. housing as claimed in claim 6, wherein, described end face (27) further comprises one first cascaded surface (271) and a second-order tread (272), described second-order tread (272) sinks toward the direction of this bottom (21), the terminal (23) of described first row (231) passes from described the first cascaded surface (271), the terminal (23) of described second row (232) passes from described second-order tread (272), wherein, described the first cascaded surface (271) is greater than described second-order tread (272) with respect to the spacing of this bottom (21) with respect to the spacing of this bottom (21), described second-order tread is greater than described the 3rd cascaded surface (273) with respect to the spacing of this bottom (21) with respect to the spacing of this bottom (21).

8. housing as claimed in claim 7, wherein, one end that the terminal (23) of described first row (231) passes described the first cascaded surface (271) has one first end (234), one end that the terminal (23) of described second row (232) passes described second-order tread (272) has one second end (235), one end that described the 3rd row's (233) terminal (23) passes described the 3rd cascaded surface (273) has one the 3rd end (236), described the first end is greater than described the second end with respect to the spacing of this bottom (21) with respect to the spacing of this bottom (21), described the second end is greater than described the 3rd end with respect to the spacing of this bottom (21) with respect to the spacing of this bottom (21).

9. housing as claimed in claim 1, wherein, further comprise a cap (24), the relative both sides of this cap (24) are provided with a snap fit (34), wherein, the relative both sides of this sidepiece (22) are provided with a draw-in groove (35), and this cap (24) is placed on described end face (27) and seals this accommodation space (25), and described snap fit (34) is sticked in described draw-in groove (35).

10. filter, is characterized in that comprising:

Housing as claimed in any one of claims 1-9 wherein; And

A plurality of loop coils, it is arranged in this accommodation space (25), and wherein, described loop coil is extended with a lead-in wire, and described lead-in wire connects respectively described terminal (23).