CN114498114A - Connector structure - Google Patents
Connector structure Download PDFInfo
- Publication number
- CN114498114A CN114498114A CN202111192950.5A CN202111192950A CN114498114A CN 114498114 A CN114498114 A CN 114498114A CN 202111192950 A CN202111192950 A CN 202111192950A CN 114498114 A CN114498114 A CN 114498114A
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- CN
- China
- Prior art keywords
- substrate
- housing
- mounting
- connector
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000758 substrate Substances 0.000 claims abstract description 88
- 208000016261 weight loss Diseases 0.000 description 11
- 239000013585 weight reducing agent Substances 0.000 description 11
- 230000013011 mating Effects 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
- H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
Abstract
Provided is a connector structure capable of suppressing the size of a portion to be mounted on a substrate from becoming large. The housing (20) has: a case body (21) having a bottom surface (32) facing the substrate (90); and an assembly part (34) protruding from the bottom surface (32) and locked to the substrate (90). The terminal fitting (60) has: a mounting portion (62) mounted to the housing main body (21); and a substrate connecting part (64) which is positioned behind the mounting part (62) and is connected to the surface of the substrate (90). The mounting portion (34) has a reference surface (39) that contacts the surface of the substrate (90). A step (40) is provided between the reference surface (39) and the bottom surface (32).
Description
Technical Field
The present invention relates to a connector structure.
Background
The connector described in patent document 1 includes a housing and a terminal fitting (a gold plate conductor) attached to the housing. The terminal fitting has a lead wire extending rearward from the housing. The lead wire has a contact portion at an end portion thereof which is solder-connected to a surface of a substrate (circuit board).
A mounting surface that contacts the surface of the substrate is provided on the front portion of the bottom surface of the housing. A mounting post is provided in a protruding manner at a front-rear middle portion of the bottom surface of the housing. The mounting posts are fitted into the holes of the substrate and locked to the substrate. Such connectors mounted on a board are also disclosed in patent document 2 and patent document 3.
Documents of the prior art
Patent document
Patent document 1: japanese laid-open patent publication No. 1-311578
Patent document 2: japanese laid-open patent publication No. 5-251128
Patent document 3: japanese Kokai publication Hei-5-8875
Disclosure of Invention
Problems to be solved by the invention
The connector mounted on the substrate needs to manage a height deviation between the contact point of the wire in each terminal component and the surface of the substrate, so-called coplanarity. In the case of patent document 1, it is considered that the mounting surface of the case is in contact with the surface of the substrate in a state where the contact portions of the leads are in contact with the surface of the substrate. That is, the mounting surface of the case can be a reference surface for measuring coplanarity. However, in patent document 1, since the mounting post is provided on the bottom surface of the housing, it is necessary to provide a mounting surface on the front side of the mounting post. As a result, the following problems occur: the front-rear dimension of the connector becomes large, the occupied area of the connector in the surface of the substrate increases, and the design layout of the substrate is limited.
Therefore, the present disclosure aims to provide a connector structure that can suppress an increase in size of a portion to be mounted on a substrate.
Means for solving the problems
The connector structure of the present disclosure includes a housing and a terminal member, the housing including: a housing main body having a bottom surface facing the substrate; and a mounting portion protruding from the bottom surface and locked to the substrate, the terminal fitting including: a mounting portion mounted to the housing main body; and a substrate connecting portion located at a rear side of the mounting portion and connected to a surface of the substrate, wherein the mounting portion has a reference surface in contact with the surface of the substrate, and a step is provided between the reference surface and the bottom surface.
Effects of the invention
According to the present disclosure, a connector structure that suppresses an increase in size of a portion to be mounted on a substrate can be provided.
Drawings
Fig. 1 is a side view of the connector structure of the present embodiment.
Fig. 2 is a front view of the connector structure.
Fig. 3 is a rear view of the connector structure.
Fig. 4 is a bottom view of the housing.
Fig. 5 is an enlarged cross-sectional view showing a state where the elastic locking piece is inserted into the hole of the base plate and locked.
Detailed Description
[ description of embodiments of the present disclosure ]
First, embodiments of the present disclosure will be described.
The structure of the connector of the present disclosure,
(1) the disclosed housing is provided with a housing and a terminal component, wherein the housing is provided with: a housing main body having a bottom surface facing the substrate; and a mounting portion protruding from the bottom surface and locked to the substrate, the terminal fitting including: a mounting portion mounted to the housing main body; and a substrate connecting portion located at a rear side of the mounting portion and connected to a surface of the substrate, wherein the mounting portion has a reference surface in contact with the surface of the substrate, and a step is provided between the reference surface and the bottom surface.
According to the above configuration, since the reference surface of the mounting portion is also in contact with the surface of the substrate in a state where the substrate connecting portion of the terminal component is in contact with the surface of the substrate, the reference surface can be used as a reference for measuring coplanarity. In this way, when the reference surface and the fitting portion are integrated, the structure of the housing can be simplified, and the increase in size of the connector in the front-rear direction can be suppressed. As a result, the degree of freedom of the pattern design layout of the substrate can be improved.
Further, for example, when a fixing member such as a metal stay (Leg) is attached to the housing and the housing is mounted on the board via the fixing member, a mounting structure of the fixing member must be provided at both ends of the housing in the width direction, and the connector may be increased in size in the width direction. However, according to the above configuration, the fitting portion is replaced with the fixing member, and the fixing member can be omitted, so that an increase in the size of the connector in the width direction can be avoided.
(2) Preferably, the housing main body has a weight-reduced portion in a region forward of the fitting portion. According to this configuration, the weight of the front portion side (the region side forward of the fitting portion) of the connector can be reduced by the amount of the weight reduction portion, and the center of gravity of the connector can be positioned on the rear portion side. As a result, the connector can be maintained in a well-balanced state supported by the substrate via the substrate connecting portion of the terminal and the reference surface of the mounting portion.
(3) Preferably, the weight reduction portion is formed in a concave shape that opens at the bottom surface, and a plurality of the weight reduction portions are arranged in the width direction at the bottom surface. According to this configuration, for example, in the case where the substrate connection portion of the terminal component is reflow-soldered to the substrate, the deformation of the case main body in the width direction due to the heat of reflow can be suppressed by the respective weight reduction portions. As a result, the reference surface of the mounting portion can be brought into contact with the surface of the substrate in a favorable manner.
(4) Preferably, the mounting portion has a flexibly deformable elastic locking member disposed in the hole of the base plate, and the elastic locking member has an anti-rattle locking portion in contact with an inner surface of the hole of the base plate. According to this configuration, the rattling of the elastic lock member can be suppressed from occurring between the mounting portion and the substrate. As a result, the reference surface of the mounting portion can be brought into contact with the surface of the substrate in a favorable manner.
[ details of embodiments of the present disclosure ]
Specific examples of the connector structure of the present disclosure will be described below with reference to the drawings. The present invention is not limited to the above-described examples, but is defined by the claims, and is intended to include all modifications within the meaning and scope equivalent to the claims.
This embodiment exemplifies the structure of the connector 10 mounted on the surface of the substrate 90 (printed circuit board). The connector 10 includes a housing 20 and a plurality of terminal fittings 60 attached to the housing 20. The housing 20 can be fitted to a counterpart housing not shown. In the following description, the front-rear direction is the right side in fig. 1 and the outer side of the paper surface in fig. 2. The front side is a side where the housing 20 is fitted to the counterpart housing. The vertical direction is based on the respective drawings except for fig. 4. The left-right direction is synonymous with the width direction, and is based on the left-right direction in fig. 2 and 3.
< housing >
The housing 20 is made of synthetic resin and has a housing main body 21. As shown in fig. 2, the case body 21 has a generally rectangular tubular shape and includes a bottom wall 22, a pair of side walls 23, an upper wall 24, and a lower wall 25. A fitting space 26 is provided in the housing main body 21 so as to be open forward, and the mating housing can be fitted in the fitting space 26.
The bottom wall 22 is rectangular in rear view, and closes the rear surface of the housing main body 21. As shown in fig. 1 and 3, a projecting wall 27 is provided in a rear portion of the bottom wall 22 at a vertically intermediate portion thereof. As shown in fig. 3, the protruding wall 27 has a rib shape extending in the width direction. The bottom wall 22 has a plurality of mounting holes 28 formed therethrough. The mounting holes 28 are formed to penetrate the protruding wall 27 and arranged in a row in the width direction. As shown in fig. 1, a terminal fitting 60 is inserted into the mounting hole 28.
As shown in fig. 3, a pair of protection walls 29 are provided on both left and right ends of the bottom wall portion 22 so as to project rearward. An extension portion 63 and a substrate connection portion 64, which will be described later, of each terminal fitting 60 are disposed between the protection walls 29.
The pair of side walls 23 are connected to both left and right ends of the bottom wall 22, and close both left and right surfaces of the case main body 21. As shown in fig. 1, the outer surface (the surface facing the left and right outer sides) of the side wall portion 23 is arranged along the vertical direction and the front-rear direction, and is continuous with the outer surface of the protective wall 29 without a step via the bottom wall portion 22.
The upper wall portion 24 is connected to the respective upper ends of the bottom wall portion 22 and the side wall portions 23, and closes the upper surface of the case main body 21. As shown in fig. 2, a pair of hanging walls 31 are provided at positions near both left and right ends of the upper wall portion 24 so as to project into the fitting space 26. The respective depending walls 31 have the following functions: the housing interferes with the counterpart housing in an improper fitting posture, and the erroneous fitting of the counterpart housing with respect to the housing 20 is restricted. Further, a locking portion, not shown, for holding the mating housing in a fitted state is provided on the inner surface of the upper wall portion 24.
The lower wall portion 25 is connected to the lower end of each of the bottom wall portion 22 and the side wall portions 23, and closes the lower surface of the case main body 21. The lower wall portion 25 has a flat bottom surface 32 facing the surface of the substrate 90 (the upper surface of the substrate 90 shown in fig. 1 to 3). As shown in fig. 1, a gap 70 is formed between the bottom surface 32 of the housing main body 21 and the surface of the substrate 90 due to a step 40 described later.
As shown in fig. 2 and 4, the lower wall 25 has a plurality of weight-reduced portions 33. Each of the lightening portions 33 is opened in a concave shape at a front portion (front half portion) of the bottom surface 32 of the lower wall portion 25. Each weight reduction portion 33 reduces the amount of resin in the front portion of the lower wall portion 25.
As shown in fig. 2, each of the lightening portions 33 is formed in an arc shape in cross section, in detail, in a semicircular shape in cross section, and is formed in a shape extending in the front-rear direction. As shown in fig. 4, the front end of each weight-reduction portion 33 is open at the front end of the lower wall portion 25. The rear end of each lightening portion 33 is closed by the front-rear intermediate portion of the lower wall portion 25. The weight reducing portions 33 have the same shape and are arranged at a constant pitch in the width direction. For example, in the case where the housing 20 is molded by mixing glass fibers in a resin material, the orientation of the glass fibers is disturbed in the weight reduction portion 33 and does not coincide in one direction. As a result, the housing 20 is not easily warped.
The housing 20 has a plurality of mounting portions 34 projecting downward from the bottom surface 32 of the lower wall portion 25. As shown in fig. 4, the mounting portions 34 are arranged in pairs at positions near the left and right ends of the front-rear middle portion of the bottom surface 32 of the lower wall portion 25. The weight-reducing portions 33 are located forward of the mounting portions 34.
As shown in fig. 5, the fitting portion 34 has: a base portion 35 provided to protrude from the bottom surface 32 of the lower wall portion 25; a waist portion 36 protruding downward from the base portion 35; and left and right elastic locking pieces 37 and 38 extending downward from the waist portion 36 in a bifurcated shape.
As shown in fig. 4, the base portion 35 has a rectangular shape, a flat trapezoidal shape in a side view of fig. 1, and a reference surface 39 that contacts the surface of the substrate 90. As shown in fig. 1, the reference surface 39 of the base portion 35 and the bottom surface 32 of the housing main body 21 are arranged in parallel to each other by a vertical step 40. The reference surface 39 of the base portion 35 is formed flat (horizontal) around the base end of the waist portion 36 on the lower surface of the base portion 35, and serves as a reference for measuring coplanarity. The rear surface of the base portion 35 is a slope 41 that slopes rearward from the reference surface 39 side to the bottom surface 32 side of the housing main body 21.
The waist portion 36 has a cylindrical shape extending in the vertical direction and has shape retainability to retain a predetermined shape. As shown in fig. 5, the waist portion 36 is inserted into a hole 91 formed through the base plate 90 together with the elastic locking pieces 37 and 38.
As shown in fig. 2 to 4, each elastic locking piece has a main body locking portion 37 located on the outer side in the width direction of the housing 20 (side wall portion 23 side) and an anti-rattle locking portion 38 located on the inner side in the width direction of the housing 20 (width direction center side). As shown in fig. 5, a slit groove 42 is formed between the main body lock portion 37 and the anti-rattle lock portion 38. The slit groove 42 penetrates the mounting portion 34 in the front-rear direction and opens downward. The main body lock portion 37 and the anti-rattle lock portion 38 are capable of flexural deformation in a direction (left-right direction) in which the groove width of the slit groove 42 is enlarged/reduced with a portion continuous with the waist portion 36 as a fulcrum.
As shown in fig. 5, the body lock portion 37 is formed in a shape extending straight in the vertical direction as a whole, and has a claw-like locking protrusion 43 protruding outward at a lower end portion. The upper surface of the locking projection 43 is a locking surface 44 that can be locked to the back surface of the substrate 90. The engaging surfaces 44 are arranged along the front-rear direction and the left-right direction.
As shown in fig. 5, the anti-rattle lock portion 38 is formed in a shape extending in the vertical direction as a whole and bent in the middle. The anti-rattle lock portion 38 has a left-right dimension (thickness) larger than that of the main body lock portion 37. The anti-rattle lock portion 38 is shaped to be convex in a direction away from the main body lock portion 37. The bent top 45 of the anti-rattle lock portion 38 is in contact with the inner surface of the hole 91 of the base plate 90.
In addition, the housing 20 has a pair of 2 nd fitting portions 46. As shown in fig. 4, the 2 nd fitting portions 46 are formed in the bottom surface 32 of the lower wall portion 25 so as to protrude rearward of the elastic locking pieces 37 and 38. Each of the 2 nd mounting portions 46 is disposed further toward the inner side in the width direction (the widthwise center side) of the housing 20 than each of the mounting portions 34. As shown in fig. 2 and 3, the 2 nd fitting portion 46 includes a 2 nd waist portion 47 and a pair of left and right 2 nd elastic locking pieces 48 extending downward from the 2 nd waist portion 47 in a bifurcated shape. The 2 nd waist portion 47 and the 2 nd elastic locking piece 48 are inserted into the 2 nd hole 92 formed through the base plate 90.
The pair of right and left second elastic locking pieces 48 have the same shape as each other, and have the same function as the above-described main body locking portion 37. A 2 nd locking protrusion 49 corresponding to the locking protrusion 43 is provided at a lower end portion of each 2 nd elastic locking piece 48. Each of the 2 nd elastic locking pieces 48 is capable of being flexed and deformed in the left-right direction with a portion connected to the 2 nd waist portion 47 as a fulcrum.
< terminal fitting >
The terminal fitting 60 is made of conductive metal, has a pin-like or tab-like shape as a whole, and is configured by connecting a terminal connection portion 61, a mounting portion 62, an extension portion 63, and a substrate connection portion 64 in this order from the tip as shown in fig. 1. The terminal connecting portion 61 and the mounting portion 62 are arranged along the front-rear direction. The extension 63 extends downward from the rear end of the mounting portion 62. The base plate connecting portion 64 extends rearward from the rear end of the extending portion 63.
The mounting portion 62 is press-fitted into the mounting hole 28 of the bottom wall portion 22 of the case body 21. The terminal connecting portion 61 is disposed so as to protrude into the fitting space 26 of the housing main body 21. When the housing 20 is fitted to a mating housing, the terminal connecting portion 61 is connected to a mating terminal fitting, not shown.
The substrate connection portion 64 has a connection surface 65 on a lower surface. The connection surface 65 of the substrate connection portion 64 faces the surface of the substrate 90, and is soldered to a conductive portion, not shown, formed on the surface of the substrate 90.
< connector Structure >
When the connector 10 is carried on the surface of the substrate 90, the connection surface 65 of each terminal fitting 60 is in contact with the surface of the substrate 90. The mounting portion 34 and the 2 nd mounting portion 46 are inserted into the hole 91 and the 2 nd hole 92 of the substrate 90, respectively, and the locking projection 43 and the 2 nd locking projection 49 are arranged so as to be lockable with the opening edge of the hole 91 and the opening edge of the 2 nd hole 92 in the back surface of the substrate 90, respectively, in association with the flexing operation of the elastic locking members 37 and 38 and the 2 nd elastic locking member 48. The reference surface 39 of the mounting portion 34 is disposed in contact with the surface of the substrate 90. Thereby, the connector 10 is fitted to the board 90 in a state of being restricted from being detached.
When the connector 10 is mounted on the board 90, the body lock portion 37 and the No. 2 elastic lock piece 48 are elastically restored to the natural state. On the other hand, the anti-rattle lock portion 38 is disposed in a bent state in the hole 91 of the base plate 90, and brings the apex portion 45 into contact with the inner surface of the hole 91 of the base plate 90 while applying an elastic force thereto (see fig. 5). This can suppress the rattling of the mounting portion 34 in the hole 91 of the substrate 90. As a result, the reference surface 39 of the mounting portion 34 can be kept in contact with the front surface of the substrate 90, and the locking surface 44 of the locking projection 43 can be kept in contact with the back surface of the substrate 90.
In a state where the reference surface 39 of the mounting portion 34 is in contact with the surface of the substrate 90, the bottom surface 32 of the case main body 21 is disposed with a gap 70 from the surface of the substrate 90. As shown in fig. 1, the front side of the connector 10 is disposed to protrude forward from the front end of the board 90. Therefore, the occupied area of the connector 10 in the surface of the substrate 90 is suppressed to be small. In the present embodiment, the front end of the base unit 35 and the front end of the base plate 90 are arranged so as to be aligned at the same position in the front-rear direction. Therefore, the area of the connector 10 exclusive to the substrate 90 can be reduced.
In the above case, the portions of the connector 10 that contact the substrate 90 are the connection surfaces 65 of the terminal fittings 60 and the reference surfaces 39 of the mounting portions 34. In other words, in the connector 10, the portions other than the connection surface 65 and the reference surface 39 do not contact the surface of the substrate 90. The rear side of the connector 10 is heavier than the front side of the connector 10 because the weight reduction portions 33 are not provided and the terminal fittings 60 are provided. Therefore, the center of gravity of the connector 10 is located rearward of the fitting portions 34, i.e., on the rear side of the housing 20. As a result, the connector 10 is stably supported by the substrate 90 in a state where the connection surface 65 of each terminal fitting 60 and the reference surface 39 of each mounting portion 34 are in contact with the surface of the substrate 90.
However, the connection surface 65 of each terminal component 60 needs to be controlled to have a height within an allowable range so as to be appropriately connected to the conductive portion on the surface of the substrate 90. Therefore, in the connector 10, it is required to manage the variation in height of the connection surface 65 of each terminal fitting 60 (so-called coplanarity).
Here, in the connector 10, since the connection surface 65 of each terminal fitting 60 and the reference surface 39 of each mounting portion 34 are in contact with the surface of the substrate 90, the reference surface 39 of each mounting portion 34 is a reference for measuring coplanarity.
For example, if the bottom surface 32 of the case main body 21 is in contact with the surface of the substrate 90 and the reference surface is formed by the bottom surface 32 of the case main body 21, unlike the present embodiment, the entire bottom surface 32 of the case main body 21 cannot be ensured to be in contact with the surface of the substrate 90. Therefore, the position of the reference surface is not fixed to be constant, and reliability as the reference surface may be lost.
Further, for example, if a reference surface is provided at a position different from the mounting portion 34 unlike the present embodiment, the reference surface must be provided on the front side of the mounting portion 34 so as not to impair the mounting function of the mounting portion 34, and there is a possibility that the front-rear dimension occupied by the connector 10 with respect to the substrate 90 becomes large.
In this regard, since the reference surface 39 is integrated with the fitting portion 34, the area occupied by the connector 10 on the surface of the substrate 90 can be reduced without increasing the front-rear dimension of the connector 10. As a result, the degree of freedom in designing the layout of the substrate 90 can be improved.
The connector 10 is transferred to a reflow process in a state of being mounted on the surface of the substrate 90. The substrate connection portion 64 of each terminal component 60 is connected to the conductive portion of the substrate 90 by soldering through a reflow process. When the connector 10 is heated in a reflow oven, there is a possibility that the housing 20 is warped. If the housing 20 is warped, the heights of the terminal fittings 60 vary. However, in the case of the present embodiment, since the plurality of weight reducing portions 33 are provided on the bottom surface 32 of the case 20 and the weight reducing portions 33 are arranged in the width direction, the orientation of the glass fibers or the like can be disturbed as described above, and the occurrence of warpage in the case 20 can be effectively suppressed.
As described above, according to the present embodiment, since the reference surface 39 and the fitting portion 34 are provided integrally when the coplanarity is measured, the area occupied by the connector 10 with respect to the board 90 can be reduced as compared with the case 20 in which the reference surface 39 and the fitting portion 34 are provided separately, and the increase in size in the front-rear direction can be suppressed. As a result, the degree of freedom in designing the layout of the substrate 90 can be improved.
Further, by providing the plurality of weight-reduced portions 33 on the bottom surface 32 of the housing main body 21 and providing the anti-rattling lock portions 38 on the mounting portion 34, the reference surface 39 of the mounting portion 34 can be brought into contact with the surface of the substrate 90 in a satisfactory manner. As a result, the reliability in measuring coplanarity can be improved.
[ other embodiments of the present disclosure ]
The embodiments disclosed herein are illustrative in all respects, and should not be construed as being limiting.
In the case of the present embodiment, the 2 nd fitting portion is provided in the housing, but as another embodiment, the 2 nd fitting portion may be omitted from the housing.
In the case of the present embodiment, the weight reduction portion may be provided with a bottom recessed in the bottom surface of the case main body, and as another embodiment, the weight reduction portion may be provided so as to penetrate the lower wall portion of the case main body. In the present embodiment, the weight-reduced portion has a semicircular cross-sectional shape, but as another embodiment, the weight-reduced portion may have a polygonal cross-sectional shape such as a triangle or a quadrangle.
In the present embodiment, the attachment portion is configured to include the base portion, the waist portion, and the elastic locking member, but as another embodiment, the attachment portion may be configured to include the base portion and the elastic locking member without the waist portion.
In the case of the present embodiment, the elastic lock member has the main body lock portion and the anti-rattle lock portion, but as another embodiment, the elastic lock member may be configured only by a pair of anti-rattle lock portions. Alternatively, the elastic lock may be constituted by only a pair of body lock portions.
Description of the reference numerals
10: connector with a locking member
20: shell body
21: shell body
22: bottom wall part
23: side wall part
24: upper wall part
25: lower wall part
26: fitting space
27: projecting wall
28: mounting hole
29: protective wall
31: vertical wall
32: bottom surface
33: weight reduction part
34: assembling part
35: base part
36: waist part
37: main body locking part (elastic locking piece)
38: anti-sloshing locking part (elastic locking piece)
39: datum plane
40: step
41: inclined plane
42: slit groove
43: locking projection
44: stop surface
45: top part
46: 2 nd fitting part
47: no. 2 waist part
48: 2 nd elastic locking piece
49: 2 nd locking projection
60: terminal fitting
61: terminal connection part
62: mounting part
63: extension part
64: substrate connecting part
65: connecting surface
70: gap
90: substrate
91: hole(s)
92: 2 nd hole
Claims (4)
1. A connector structure comprises a housing and a terminal member,
the housing has: a housing main body having a bottom surface facing the substrate; and a mounting portion protruding from the bottom surface and locked to the substrate,
the terminal fitting has: a mounting portion mounted to the housing main body; and a substrate connection portion located at the rear of the mounting portion and connected to the surface of the substrate,
the fitting portion has a reference surface that contacts a surface of the substrate, and a step is provided between the reference surface and the bottom surface.
2. The connector structure according to claim 1, wherein the housing main body has a weight-reduced portion in a region forward of the fitting portion.
3. The connector structure according to claim 2, wherein the weight-reduced portion has a concave shape that opens at the bottom surface, and a plurality of the weight-reduced portions are arranged in a width direction at the bottom surface.
4. The connector structure according to any one of claims 1 to 3, wherein the fitting portion has a flexibly deformable elastic locking piece disposed in the hole of the substrate, the elastic locking piece having an anti-rattle locking portion that contacts an inner surface of the hole of the substrate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020177847A JP2022068976A (en) | 2020-10-23 | 2020-10-23 | Connector structure |
| JP2020-177847 | 2020-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114498114A true CN114498114A (en) | 2022-05-13 |
Family
ID=81492473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111192950.5A Pending CN114498114A (en) | 2020-10-23 | 2021-10-13 | Connector structure |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2022068976A (en) |
| CN (1) | CN114498114A (en) |
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