CN112103725A - Grounding structure, power supply substrate, electric device and grounding method - Google Patents
Grounding structure, power supply substrate, electric device and grounding method Download PDFInfo
- Publication number
- CN112103725A CN112103725A CN202010474077.8A CN202010474077A CN112103725A CN 112103725 A CN112103725 A CN 112103725A CN 202010474077 A CN202010474077 A CN 202010474077A CN 112103725 A CN112103725 A CN 112103725A
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- Prior art keywords
- ground terminal
- metal plate
- grounding
- inserted portion
- ground
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding with earth pin, blade or socket
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/02—Soldered or welded connections
- H01R4/029—Welded connections
Abstract
The invention aims to provide a grounding structure, a power supply substrate, an electric device and a grounding method capable of suppressing operation burden. The invention provides a grounding structure, which comprises a socket and a metal plate structure body, wherein the socket is provided with a socket frame body and a grounding terminal, the metal plate structure body is provided with a mounting part and an inserted part, the socket frame body is mounted in the mounting part, and the grounding terminal is pressed into the inserted part.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a grounding structure, a power supply substrate, an electric device and a grounding method.
[ background of the invention ]
Conventionally, there has been proposed a grounding structure which is mounted on a substrate and grounds a grounding terminal of an ac power outlet (for example, see patent document 1). The grounding structure of patent document 1 includes a housing and a metal plate structure. An AC power socket with a grounding terminal is arranged on the casing. In addition, the casing is installed on the substrate, and the casing is electrically connected with the grounding circuit pattern of the substrate.
In patent document 1, a metal plate structure is attached to a chassis and electrically connected to the chassis. The metal plate structure has a fitting portion that contacts a ground terminal of the ac power outlet, and the fitting portion is formed so as to be deformed in the middle. The operator inserts the fitting portion of the metal plate structure into the front end hole of the ground terminal, and then the operator relatively rotates the metal plate structure with respect to the ground terminal, thereby fitting the inner wall of the front end hole of the ground terminal into the fitting portion of the metal plate structure. Thereby, the metal plate structure is electrically connected to the ground terminal. That is, the ground terminal is grounded to the ground circuit pattern of the substrate via the metal plate structure and the case.
[ Prior art documents ]
[ patent document ]
[ patent document 1 ] Japanese patent No. 5723992
[ summary of the invention ]
[ problem to be solved by the invention ]
The structure of the grounding structure of patent document 1 has the following problems: the operator cannot ensure the electrical connection between the metal plate structure and the ground terminal without inserting the fitting portion of the metal plate structure into the distal end hole of the ground terminal and then rotating the metal plate structure relative to the ground terminal, and therefore, the operator's work load is increased accordingly.
The present invention has been made in view of the above problems, and an object thereof is to provide a grounding structure, a power supply board, an electric device, and a grounding method that can suppress a work load.
[ MEANS FOR SOLVING PROBLEMS ] to solve the problems
According to the present invention, there is provided a grounding structure including a socket having a socket frame and a ground terminal, and a metal plate structure having a mounting portion to which the socket frame is attached and an inserted portion into which the ground terminal is press-fitted.
In the present invention, the ground terminal is press-fitted into the inserted portion of the metal plate structure, thereby ensuring electrical connection between the ground terminal and the metal plate structure. That is, in the present invention, the operator does not need to relatively rotate the metal plate structure body with respect to the ground terminal, and accordingly, the work load required to ensure the electrical connection between the metal plate structure body and the ground terminal can be suppressed.
Embodiments of the present invention are exemplified below. The embodiments shown below may be combined with each other.
Preferably, at least one of the ground terminal and the inserted portion is formed with a deformed portion, and the deformed portion is formed as a recess at a portion where the ground terminal and the inserted portion are in contact with each other.
Preferably, the inserted portion includes a base portion and an upright portion, the upright portion is connected to the base portion in an upright manner, the upright portion protrudes from a connection position with the base portion toward the insertion opening, and the ground terminal is press-fitted into the upright portion.
Preferably, the standing portion has an end face formed at a distal end portion of the standing portion in a direction from the inserted portion side toward the jack housing side, and the end face is made of a refractory material or is subjected to a refractory surface treatment.
Preferably, the metal plate structure includes a connecting portion provided to face a peripheral surface of the socket frame, and the connecting portion is connected to the mounting portion and the inserted portion.
Preferably, the metal plate structure has a window portion, and the ground terminal is exposed through the window portion.
Preferably, the inserted portion is a hole portion.
Preferably, the inserted portion is made of a weldable material or is subjected to a surface treatment for weldability.
According to another embodiment of the present invention, there is provided a power supply board including any one of the above-described ground structures and a board on which the ground structure is mounted, the board having a ground circuit pattern, the ground structure being connected to the ground circuit pattern.
According to another embodiment of the present invention, an electric device having the power supply substrate is provided.
According to another aspect of the present invention, there is provided a grounding method of a grounding structure including a receptacle having a receptacle housing and a ground terminal, and a metal plate structure having an inserted portion, the grounding method including an inserting step of attaching the receptacle housing to the metal plate structure while pressing the ground terminal into the inserted portion.
[ description of the drawings ]
Fig. 1 is a schematic diagram of a display device 100 having a power supply 50.
Fig. 2 is a perspective view of the power supply 50.
Fig. 3 is an exploded perspective view of the power supply 50 shown in fig. 2.
Fig. 4A is a perspective view of the ground structure 1 and the substrate 55.
Fig. 4B is a view of the ground structure 1 shown in fig. 4A and the like, as viewed from the direction of arrow Ar in fig. 4A.
Fig. 5 is a perspective view of the ground structure 1 shown in fig. 4A.
Fig. 6 is an exploded perspective view of the ground structure 1 shown in fig. 5.
Fig. 7A is a perspective view of the ground structure 1 viewed from a direction different from that of fig. 5.
Fig. 7B is an enlarged view of the region B shown in fig. 7A.
Fig. 8 is an exploded perspective view of the ground structure 1 shown in fig. 7A.
Fig. 9A is an enlarged view of the region a shown in fig. 4B.
Fig. 9B is a B-B end view shown in fig. 9A.
Fig. 10A is a schematic diagram showing a diagonal line r1 in a vertical cross section of the ground terminal 2c (a cross section orthogonal to the insertion direction of the ground terminal 2 c).
Fig. 10B is a schematic diagram showing the opening diameter r2 of the inserted portion 3d of the metal plate structure 3.
Fig. 11A is an end view of the line a-a shown in fig. 9B.
Fig. 11B is an enlarged view of the region B shown in fig. 11A.
Fig. 12 is a perspective view showing a state where the ground terminal 2c is inserted into the inserted portion 3 d. Fig. 12 shows a state where a part of the inserted portion 3d is cut away.
Fig. 13 is a perspective view showing a process of attaching the socket 2 to the metal plate structure 3.
Fig. 14 is a view of the socket 2 and the metal plate structure 3 shown in fig. 13, as viewed from above.
Fig. 15 is a perspective view showing a state in which the socket 2 is attached to the metal plate structure 3.
Fig. 16A to 16E show modifications 1 to 5 of the embodiment.
Fig. 17 shows a modification 6 of the embodiment.
Fig. 18 shows a modification example 7 of the embodiment.
Fig. 19A is a perspective view of the metal plate structure 3 and the socket 2 according to modification 8 of the embodiment.
Fig. 19B is a perspective view of the metal plate structure 3 and the socket 2 shown in fig. 19A, viewed from a direction different from that of fig. 19A.
Fig. 20A is a side view of a metal plate structure 3 according to modification 9 of the embodiment.
Fig. 20B is a cross-sectional view of an inserted portion 3d and a ground terminal 2c according to modification 9 of the embodiment.
Fig. 21A and 21B show modification 10 and modification 11 of the embodiment.
[ detailed description ] embodiments
Embodiments of the present invention will be described below with reference to the drawings. Various feature items shown in the embodiments shown below may be combined with each other. In addition, each feature may independently constitute the invention.
1. Integral structure
As shown in fig. 1, the display device 100 (electrical device) includes a screen display unit 101, a housing 102 disposed on the back surface of the screen display unit 101, and a power supply 50. The power supply 50 is mounted within the housing 102. In the embodiment, the case where the electric device is the display device 100 is described, but the present invention is not limited thereto, and various devices requiring the installation of the power supply 50, such as a personal computer, may be used.
As shown in fig. 2 and 3, the power supply 50 includes a case 51 and a power supply board 54.
The case 51 includes a1 st case 52 and a2 nd case 53, and the power supply board 54 is housed in the case 51. The case 51 is made of, for example, a metal plate, and the case 51 has a function as an electromagnetic shield of the power supply board 54. Flanges 52a and 53a are formed on the 1 st case 52 and the 2 nd case 53, respectively, and fixing members (e.g., bolts and the like) not shown are inserted into holes Op of the flanges 52a and 53a, whereby the 1 st case 52 and the 2 nd case 53 are fixed to each other.
As shown in fig. 3, the 1 st case 52 is formed with a hole 52b, and a fixing member (e.g., a bolt) not shown is inserted into the hole 52b and a hole 3a3 of a mounting portion 3a of the metal plate structural body 3 described later, whereby the metal plate structural body 3 and the 2 nd case 53 are fixed to each other. The 2 nd housing 53 includes a base portion 53b for placing a placement portion 3b of the metal plate structure 3 described later.
As shown in fig. 3, the power supply board 54 includes a ground structure 1, a board 55, and a switch 56. The ground structure 1 is mounted on the substrate 55. The grounding structure 1 includes a receptacle 2 and a metal plate structure 3, a connector of a power line can be inserted into the receptacle 2, and the receptacle 2 is provided in the metal plate structure 3. The socket 2 includes a ground terminal 2c (see fig. 8), and the ground terminal 2c is electrically connected to a ground circuit pattern (not shown) of the substrate 55 via the metal plate structure 3. In other words, the ground terminal 2c is connected to the ground circuit pattern through the metal plate structure 3. The switch 56 is used to switch the power supply 50 on and off, and the switch 56 is mounted on the substrate 55. Further, the substrate 55 is fixed to the 1 st case 52, and the metal plate structure 3 is also fixed to the 1 st case 52. The 1 st shell 52 is connected to ground. In the embodiment, the switch 56 is provided on the metal plate structure 3, but the invention is not limited thereto, and the switch 56 may be provided on a structure other than the metal plate structure 3 or not.
2 detailed description of the grounding Structure 1
2-1 socket 2
As shown in fig. 5, 6, and 8, the outlet 2 includes an outlet frame 2a, a ground terminal 2c, and a current-carrying terminal 2 d. The ground terminal 2c and the current-carrying terminal 2d are each made of a metal member, and the plug 2b shown in fig. 5 is a portion of the ground terminal 2c and the current-carrying terminal 2d that protrudes from the front side of the outlet housing 2 a.
2-1-1 socket frame 2a
The receptacle housing 2a is made of resin, and as shown in fig. 5, 6, and 8, the receptacle housing 2a is formed with a connector insertion portion 2a1, a back surface portion 2a2, a flange portion 2a3, 3 terminal mounting portions 2a4, and an ear portion 2a 5. The connector insertion portion 2a1 is a portion into which the power line connector is inserted, and is formed in a concave shape. As shown in fig. 5, the plug 2b (the ground terminal 2c and the current-carrying terminal 2d) is protrusively provided in the connector insertion portion 2a 1. The rear portion 2a2 is formed on the opposite side of the jack housing 2a from the side on which the connector insertion portion 2a1 is provided. As shown in fig. 8, the back surface portion 2a2 is provided with 3 terminal mounting portions 2a 4. The ground terminal 2c is fixed to the center terminal mounting portion 2a4, and the current carrying terminal 2d is fixed to the terminal mounting portions 2a4 on both sides with the center terminal mounting portion 2a4 interposed therebetween. The flange portion 2a3 is formed in a ring shape, and faces the metal plate structure 3 when the socket frame 2a is disposed on the metal plate structure 3. The ear portions 2a5 are formed on the left and right side surfaces of the jack housing 2 a. When the operator inserts the jack housing 2a into the opening 3a1 (see fig. 6), the ears 2a5 come into contact with the metal-plate structure 3 (see fig. 13), and the posture of the jack housing 2a is maintained. This facilitates the operation of the operator to attach the socket housing 2a to the metal plate structure 3. When the inlet frame 2a is completely inserted into the opening 3a1, the constituent parts of the metal plate structure 3 at the sides of the opening 3a1 are sandwiched between the flange 2a3 and the ear 2a5, and the inlet frame 2a is fixed to the metal plate structure 3.
2-1-2 plug 2b
As shown in fig. 5, the outlet 2 includes the ground terminal 2c, the number of stages of the outlet 2 is 3, and accordingly, 3 plugs 2b are provided in the connector insertion portion 2a1 of the outlet housing 2 a.
2-1-3 ground terminal 2c
As shown in fig. 7A and 7B, the ground terminal 2c is press-fitted (inserted) into the inserted portion 3d of the metal plate structure 3, and the ground terminal 2c is deformed (for example, plastically deformed) by contacting an inner wall of the inserted portion 3d in a process in which an operator inserts the ground terminal 2c into the inserted portion 3 d. The ground terminal 2c is in contact with the inner wall of the inserted portion 3d, thereby ensuring that the ground terminal 2c is electrically connected to the metal plate structural body 3, and the ground terminal 2c is electrically connected to the substrate 55 at the stage where the hook portion 3g in the metal plate structural body 3 is inserted into the insertion hole of the substrate 55 and soldered. As shown in fig. 8, the ground terminal 2c includes a base end portion 2c1 and a tip end portion 2c2, and the ground terminal 2c linearly extends from the base end portion 2c1 side to the tip end portion 2c2 side. The base end portion 2c1 is fixed to the terminal mounting portion 2a4 of the jack housing 2a, and the tip end portion 2c2 is formed with a tip end hole 2c3 (see fig. 9B).
In the embodiment, the ground terminal 2c is deformed (for example, plastically deformed), but the inserted portion 3d may be deformed (for example, plastically deformed) by the ground terminal 2c contacting the inserted portion 3 d. That is, the inserted portion 3d may be formed with a deformed portion corresponding to the deformed portion 2c4 described later. When the inserted portion 3d is deformed, the side portion of the hole of the inserted portion 3d is deformed so as to be expanded by the corner portion of the ground terminal 2 c. In other words, the side portion of the hole of the inserted portion 3d is deformed so as to be recessed by the corner portion of the ground terminal 2 c. Here, the concept of the dent includes a case where the metal defect causes the dent (plastic deformation) and a case where the metal defect causes the dent (elastic deformation). The deformation of the ground terminal 2c, the deformation of the inserted portion 3d, or the deformation of both the ground terminal 2c and the inserted portion 3d can be determined by appropriately changing the materials of the ground terminal 2c and the inserted portion 3d, for example.
As shown in fig. 9A and 9B, the ground terminal 2c is pressed into the inserted portion 3d of the metal plate structure 3, and a portion in contact with the inner wall of the inserted portion 3d is deformed. Specifically, the ground terminal 2c has a quadrangular shape in a cross section perpendicular to the direction from the base end portion 2c1 toward the distal end portion 2c2, and 4 corner portions of the ground terminal 2c are deformed and broken by contact with the inner wall of the inserted portion 3d as shown in fig. 11A and 11B. In fig. 11B, a portion of the corner of the ground terminal 2c that is deformed by contact with the inner wall of the inserted portion 3d is indicated by a broken line L. Here, the shape of the ground terminal 2c is not limited to the above shape. The shape of the ground terminal 2c may be a circular shape, a polygonal shape, a screw shape, a star shape, or the like including a protrusion in a cross section perpendicular to a direction from the base end portion 2c1 to the tip end portion 2c 2.
As shown in fig. 12, 4 corners of the ground terminal 2c are deformed by being in contact with the inner wall of the inserted portion 3d, and deformed portions 2c4 are formed at the corners of the ground terminal 2 c. The deformed portion 2c4 is formed by the corner portions of the ground terminal 2c being broken and dented. The deformation portion 2c4 is formed to extend in the insertion direction of the ground terminal 2c and is formed along the inner wall of the inserted portion 3 d. This increases the contact area between the ground terminal 2c and the inserted portion 3d, ensures electrical connection between the ground terminal 2c and the inserted portion 3d, and improves the reliability of connection between the ground terminal 2c and the inserted portion 3 d.
As described below, the grounding structure 1 has a function of positioning the grounding terminal 2 c. As shown in fig. 9B, the distal end portion 2c2 is tapered, and the distal end portion 2c2 is formed in a semicircular shape. As shown in fig. 9B, the tip end position of the tip end portion 2c2 is a position of a semicircular apex tp, and the shape of the tip end portion 2c2 is symmetrical with respect to the apex tp. The hole shape of the inserted portion 3d of the metal plate structure 3 is circular. Therefore, when the operator inserts the distal end portion 2c2 into the entrance of the inserted portion 3d, the axis of the ground terminal 2c naturally faces the center of the inserted portion 3d, and the axis of the ground terminal 2c coincides with the center of the inserted portion 3 d. That is, when the operator inserts the ground terminal 2c into the inserted portion 3d, even if the ground terminal 2c is slightly shaken to the left and right with respect to the inserted portion 3d, the ground terminal 2c naturally advances along the inner wall of the inserted portion 3d and is accurately pressed into the circular hole as long as the half-round top tp of the ground terminal 2c falls into the inner wall of the inserted portion 3 d. Then, the operator pushes the distal end portion 2c2 into the inserted portion 3d, so that the distal end portion 2c2 is pushed into the inserted portion 3d in a state where the axis of the ground terminal 2c coincides with the center of the inserted portion 3 d. At this time, since the axis of the ground terminal 2c coincides with the center of the inserted portion 3d, 4 corners of the ground terminal 2c are uniformly deformed. That is, since the tip end portion 2c2 is formed in a semicircular shape and the hole shape of the inserted portion 3d is a circular shape, 4 corners of the ground terminal 2c are uniformly deformed to avoid a decrease in the connection reliability between the ground terminal 2c and the inserted portion 3 d.
2-1-4 energizing terminal 2d
As shown in fig. 4B, the current-carrying terminal 2d is provided so as to protrude toward the substrate 55 and electrically connected to the substrate 55. Power is supplied to the substrate 55 through the current-carrying terminal 2 d. The energizing terminal 2d is insulated from the metal plate structure 3 without contacting the metal plate structure 3. It is preferable that a hook shape is formed at the tip end of the current-carrying terminal 2d so that the current-carrying terminal 2d can be easily engaged with the substrate 55.
2-2 Metal plate Structure 3
As shown in fig. 5 to 8, the metal plate structure 3 includes an attachment portion 3a, a placement portion 3b, a connection portion 3c, an inserted portion 3d, a window portion 3e, a side wall portion 3f, and a hook portion 3 g.
By pressing (inserting) the ground terminal 2c into the inserted portion 3d of the metal plate structure 3, at least one of the ground terminal 2c and the inserted portion 3d is deformed at a portion where the ground terminal 2c contacts the inserted portion 3d, and electrical connection between the ground terminal 2c and the metal plate structure 3 is secured. That is, since the electrical connection between the metal plate structure 3 and the ground terminal 2c is ensured by the linear operation of the operator inserting the metal plate structure 3 into the ground terminal 2c, the operator is prevented from having to perform the operation for ensuring the electrical connection in the embodiment. In the embodiment, a case where the ground terminal 2c is modified will be described as an example.
The metal plate structure 3 is made of a metal plate material having conductivity. The metal plate structure 3 is formed by bending one metal plate material, but is not limited thereto, and may be formed by joining a plurality of metal plate materials.
As described later, the inserted portion 3d and the ground terminal 2c are welded to each other in order to improve the reliability of the electrical connection between the inserted portion 3d and the ground terminal 2 c. Here, as the welding, for example, electric welding, spot welding, laser welding, gas welding, or brazing may be employed. In the embodiment, the description has been given of the case where welding is performed as one type of soldering, but other welding may be performed instead of soldering to improve the reliability of the electrical connection between the inserted portion 3d and the ground terminal 2 c.
In the embodiment, the surface of the metal plate structure 3 is subjected to a weldable (weldable) surface treatment. This surface treatment may be performed on the entire metal plate structure 3 or may be performed only on the inserted portion 3 d. Instead of performing the surface treatment for welding (soldering), the metal plate structure 3 may be formed of a weldable (soldering) material. In the present embodiment, the inserted portion 3d and the ground terminal 2c are welded to each other, but the welding is not necessarily performed, and may be performed as needed.
2-2-1 mounting part 3a
As shown in fig. 6, the mounting portion 3a is a plate material, and the mounting portion 3a has 4 side portions. The mounting portion 3b is connected to a lower side (substrate 55 side) of the mounting portion 3a, and the connection portion 3c is connected to an upper side of the mounting portion 3 a. Side wall portions 3f are connected to the left and right side portions of the mounting portion 3a, respectively. The outlet frame 2a and the switch 56 are disposed in the mounting portion 3 a. Specifically, the mounting portion 3a is formed with an opening 3a1, an opening 3a2, and a hole 3a 3. The outlet frame 2a is inserted into the opening 3a1, and the switch 56 (see fig. 3) is disposed in the opening 3a 2. In addition, a fixing member, not shown, for fixing the metal plate structure 3 to the 2 nd housing 53 is inserted into the hole 3a 3. As shown in fig. 5, in a state where the inlet frame 2a is inserted into the opening 3a1, the flange portion 2a3 of the inlet frame 2a faces the attachment portion 3 a.
2-2-2 mounting part 3b
As shown in fig. 3, the mounting portion 3b is mounted on the pedestal portion 53b of the 2 nd housing 53. The metal plate structure 3 includes the placement portion 3b, and the ground structure 1 is stably fixed to the housing 51 without the substrate 55 contacting the housing 51. The placement portion 3b and a connection portion 3c described later can prevent the metal plate constituting the attachment portion 3a from being distorted when the operator inserts the jack housing 2a into the opening portion 3a 1. The metal plate structure 3 may not have the carrying portion 3 b.
2-2-3 connecting part 3c
The connecting portion 3c is a plate material disposed to face the substrate 55, and the connecting portion 3c is connected to the mounting portion 3a and the inserted portion 3 d. The connecting portion 3c extends parallel to the substrate 55 from the mounting portion 3a side to the inserted portion 3d side. The connection portion 3c is provided to face the substrate 55, and the socket housing 2a is disposed between the connection portion 3c and the substrate 55. Here, in the embodiment, the connecting portion 3c is not connected to the side wall portion 3f, and the inserted portion 3d is connected only to the connecting portion 3 c. That is, the metal plate structure 3 includes an installation portion 3a, a connection portion 3c, and an inserted portion 3d
A bent structure of a character shape (U-shape). Since the metal plate structure 3 has a bent structure, when the operator inserts the ground terminal 2c into the inserted portion 3d, the inserted portion 3d is bent appropriately. As a result, stress (load stress) acting on the ground terminal 2c and the metal plate structure 3 is relaxed, and breakage of the ground terminal 2c and the metal plate structure 3 is suppressed, thereby improving reliability of the ground structure 1. Note that, in the embodiment, the metal plate structure 3 is
The shape of a letter (U-shape) is formed across the front surface side of the jack housing 2a, the upper surface side of the jack housing 2a, and the back surface side of the jack housing 2a, but is not limited thereto. Of the metal plate structure 3
The letter-form (U-form) may be formed across the front surface side of the jack housing 2a, the lateral side surface side of the jack housing 2a, and the back surface side of the jack housing 2 a.
2-2-4 inserted portion 3d
As shown in fig. 9B and 13, the inserted portion 3d includes a base portion 3d1 and an upright portion 3d 2. The base portion 3d1 is a plate material connected to the connecting portion 3 c. The ground terminal 2c is press-fitted (inserted) into the inserted portion 3d, and the inserted portion 3d is brought into contact with the ground terminal 2c, thereby ensuring electrical connection between the metal plate structure 3 and the ground terminal 2 c.
As shown in fig. 10A and 10B, the opening diameter r2 of the hole of the inserted portion 3d is smaller than the diagonal line r1 of the ground terminal 2 c. That is, r2< r1 is satisfied. Therefore, when the operator presses (inserts) the ground terminal 2c into the inserted portion 3d, the ground terminal 2c contacts the inserted portion 3d, and the ground terminal 2c deforms.
In consideration of design tolerances of the ground terminal 2c and the inserted portion 3d, the diagonal line r1 and the opening diameter r2 preferably satisfy the following relationship. Minimum value in consideration of tolerance of the diagonal line r1 of the ground terminal 2c > maximum value in consideration of tolerance of the opening diameter r2 of the hole portion of the inserted portion 3 d.
The base portion 3d1 is flanged so that the standing portion 3d2 stands up from the base portion 3d1 as shown in fig. 9B. In other words, the standing portion 3d2 is connected to the base portion 3d1 so as to stand. Here, the concept of connection includes not only a case where the base portion 3d1 and the standing portion 3d2 are integrated but also a case where both are independent of each other. As shown in fig. 13, the standing portion 3d2 is formed to protrude from the connection position with the base portion 3d1 toward the socket 2 side. In other words, the standing portion 3d2 is formed to protrude in the direction opposite to the insertion direction of the ground terminal 2 c. The ground terminal 2c is press-fitted into the standing portion 3d 2. Since the inserted portion 3d includes the standing portion 3d2 formed by burring, the contact area between the ground terminal 2c and the inserted portion 3d increases, and the resistance between the ground terminal 2c and the inserted portion 3d decreases.
Further, since the inserted portion 3d includes the standing portion 3d2, the area to be welded is increased, the strength of the contact portion between the inserted portion 3d and the ground terminal 2c is increased, and the reliability of the ground structure 1 is improved. Further, the resistance between the ground terminal 2c and the inserted portion 3d can be further reduced by increasing the area to be welded.
As described above, the portion (standing portion 3d2) into which the ground terminal 2c is inserted is formed by burring. As shown in fig. 9, the tapered portion 3d21 is formed in the standing portion 3d2 by a jig used for burring. Therefore, the diameter at the entrance of the end face Sr side is smaller than the diameter at the entrance of the tapered portion 3d21 side with respect to the hole portion of the inserted portion 3 d. Here, in the embodiment, the standing portion 3d2 is not formed to protrude from the connection position with the base portion 3d1 in the insertion direction of the ground terminal 2 c. That is, in the embodiment, the standing portion 3d2 is formed to protrude from the connection position with the base portion 3d1 in the direction opposite to the insertion direction of the ground terminal 2 c. As a result, the ground terminal 2c is inserted from the entrance on the side where the entrance diameter of the hole of the inserted portion 3d is small (the entrance on the side where insertion is difficult).
If the standing portion 3d2 is formed to protrude from the connection position with the base portion 3d1 in the insertion direction of the ground terminal 2c, the ground terminal 2c does not protrude from the hole of the inserted portion 3d and a connection failure occurs unless the position of the base portion 3d1 is closer to the jack housing 2a by a distance corresponding to the protruding length of the standing portion 3d2, as compared with the position in the embodiment. That is, in this case, the position of the base portion 3d1 needs to be closer to the outlet frame 2a by a distance corresponding to the protruding length of the standing portion 3d2, as compared with the position in the embodiment. As a result, in this case, the distance (insulation distance) between the current-carrying terminal 2d and the base 3d1 becomes short. In contrast, in the embodiment, the standing portion 3d2 is formed to protrude from the position connected to the base portion 3d1 in the direction opposite to the insertion direction of the ground terminal 2 c. Therefore, a large distance (insulation distance) between the current-carrying terminal 2d and the base portion 3d1 can be ensured. That is, since the inserted portion 3d includes the standing portion 3d2, not only the contact area between the ground terminal 2c and the inserted portion 3d is increased, but also the distance (insulation distance) between the current-carrying terminal 2d and the base portion 3d1 can be secured to be large. Thus, in the embodiment, the ground structure 1 can be configured to further meet the safety standard.
In the embodiment, the inserted portion 3d has a cylindrical standing portion 3d2, but is not limited thereto. The standing portion 3d2 may be a pair of plate-shaped pieces facing each other. That is, the standing portion 3d2 may not be cylindrical (annular) but may have a non-annular structure. For example, the standing portion 3d2 has a split flange shape (4-split shape) or other shapes.
The inserted portion 3d is welded (soldered) at a portion contacting the ground terminal 2 c. The electrical connection between the metal plate structure 3 and the ground terminal 2c can be ensured by pressing the ground terminal 2c into the inserted portion 3d, but the electrical connection between the metal plate structure 3 and the ground terminal 2c can be further ensured and the reliability of the connection between the ground terminal 2c and the inserted portion 3d can be further improved by additionally performing welding. Further, by welding the inserted portion 3d to the ground terminal 2c, electrical connection more conforming to safety standards can be achieved, and the ground terminal 2c can be grounded with redundancy. Here, the redundancy is expressed in terms of the ability to maintain a function (a function of safely and stably flowing a current as a safety ground) even if a failure occurs in one structure (for example, welding) in a configuration having two or more structures.
The end face Sr is formed on the standing portion 3d 2. The end face Sr is formed at the tip end of the upright portion 3d2 in a direction from the inserted portion 3d toward the jack housing 2a (opposite direction to the press-fitting direction). Here, the end face Sr is made of a refractory material or subjected to a refractory surface treatment. Specifically, since the base portion 3d1 is subjected to burring, the end face Sr (see fig. 9B) of the standing portion 3d2 is scraped by the jig as a result. Therefore, the solderable surface treatment is scraped off on the end face Sr, and the hard-to-solder metal surface (iron surface) is exposed. That is, in the embodiment, the end face Sr is made of a refractory material. The operator may apply refractory surface treatment to the end face Sr.
The welding is performed not from the tip side of the standing portion 3d2 but from the base end side of the standing portion 3d2 (the side of the connection position between the base portion 3d1 and the standing portion 3d 2). As shown in fig. 9B, the molten solder flows from the gap p1 between the ground terminal 2c and the inserted portion 3d, and moves toward the end face Sr side through the gap between the inner wall of the upright portion 3d2 and the ground terminal 2 c. Here, since the surface treatment solderable to the end face Sr is scraped off, the flow of the molten solder is stopped at the end face Sr, and the molten solder can be suppressed from flowing out beyond the end face Sr. This can suppress the occurrence of poor welding.
The molten solder fills the distal end hole 2c3 of the ground terminal 2c in the process of flowing from the connection position of the base portion 3d1 and the standing portion 3d2 to the end face Sr side. This increases the volume of the conductor, and reduces the resistance of the portion of the inserted portion 3d that contacts the ground terminal 2 c.
In the embodiment, the case where the inserted portion 3d is a hole portion is described, but the present invention is not limited thereto, and may be a notch. That is, in the embodiment, the hole side portion of the inserted portion 3d is annular, but the invention is not limited thereto, and may be non-annular.
2-2-5 Window parts 3e
As shown in fig. 8, the window portion 3e is an opening portion, and in the embodiment, the window portion 3e is formed across the connecting portion 3c and the inserted portion 3 d. As shown in fig. 14, the ground terminal 2c and the standing portion 3d2 are exposed through the window portion 3 e. By providing the metal plate structure 3 with the window portion 3e, when the operator inserts the ground terminal 2c into the inserted portion 3d, the operator can visually confirm the ground terminal 2c and the inserted portion 3 d. Thereby, the work of the operator to combine the socket 2 to the metal plate structural body 3 becomes easy, and the operator can easily confirm the welding state. In the metal plate structure 3
When the rectangular shape is formed across the front surface side of the inlet housing 2a, the lateral side surface side of the inlet housing 2a, and the back surface side of the inlet housing 2a, the window portion 3e can be formed in the same manner.
Further, the metal plate structure 3 has the window portion 3e, so that the metal plate structure 3 is more easily bent. This further relaxes the stress (load stress) acting on the ground terminal 2c and the metal plate structure 3, and thus can further suppress breakage of the ground terminal 2c and the metal plate structure 3, thereby further improving the reliability of the ground structure 1. In the embodiment, the window portion 3e is formed across the connecting portion 3c and the inserted portion 3d, but the metal plate structure 3 can obtain the above-described effects even if the window portion 3e is formed only on the connecting portion 3c, for example.
Further, since the metal plate structure 3 has the window portion 3e, the heat capacity of the metal plate structure 3 is reduced, the melting of the welding material (solder) is accelerated, and the welding operation is facilitated.
2-2-6 side wall part 3f
The pair of side wall portions 3f are plate materials, and the side wall portions 3f are connected to the mounting portion 3 a. The side portion of the side wall portion 3f is connected to the hook portion 3 g.
2-2-7 hook 3g
As shown in fig. 7A, the hook portion 3g is formed to protrude from the side wall portion 3 f. The hook portion 3g is formed in a hook shape to hook on the base plate 55. Thus, when the substrate 55 and the ground structure 1 are put into an automatic soldering apparatus described later, the ground structure 1 can be prevented from coming off the substrate 55.
3 method of grounding
In the embodiment, a method of grounding the ground terminal 2c of the grounding structure 1 is as follows. The method includes an insertion step, a1 st connection step, and a2 nd connection step.
As shown in fig. 13 to 15, in the insertion step, the operator attaches the receptacle housing 2a to the metal plate structure 3 while pressing the ground terminal 2c into the inserted portion 3 d. When the operator inserts the ground terminal 2c into the inserted portion 3d, the ground terminal 2c and the inserted portion 3d come into contact with each other, and the ground terminal 2c is deformed. As shown in fig. 14, in the insertion step, the operator can check the positions of the ground terminal 2c and the inserted portion 3d through the window portion 3 e.
In the 1 st connection step, the operator welds (welds) the portion of the inserted portion 3d that contacts the ground terminal 2 c. The operator arranges solder on the base end side of the standing part 3d2 (the side of the connection position between the base part 3d1 and the standing part 3d2) so that the solder flows between the standing part 3d2 and the ground terminal 2 c. The molten solder rapidly flows into the gap p1 by capillary action, and moves toward the end face Sr side through between the inner wall of the standing portion 3d2 and the ground terminal 2 c. As shown in fig. 9B, the solder flow flowing into the gap p1 is indicated by an arrow FL. The surface treatment solderable on the end face Sr is scraped off, so the flow of molten solder stops at the end face Sr due to surface tension.
In the 2 nd connection step, the ground structure 1 and the substrate 55 are put into the automatic soldering apparatus in a state where the ground structure 1 is mounted on the substrate 55. Thereby, the metal plate structure 3 is welded to the substrate 55. In the conventional grounding structure, the grounding terminal is connected to the metal plate structure body by a lead wire, and the lead wire is fixed to the metal plate structure body by screwing. Therefore, with the conventional grounding structure, the noise reduction is difficult due to the contact resistance caused by the screwing. In contrast, in the embodiment, the metal plate structural body 3 and the ground terminal 2c are integrally configured by press-fitting, not by screwing, and therefore the embodiment can reduce noise.
Modification 4
In the embodiment, the hole shape of the inserted portion 3d is circular, but is not limited thereto, and the hole shape of the inserted portion 3d may take various shapes.
4-1 various hole shapes of the inserted portion 3d
4-1-14 deformation (diamond, polygon, asymmetric shape, flower shape, sector)
As shown in fig. 16A, the hole shape of the inserted portion 3d may be a diamond shape, and as shown in fig. 16B, the hole shape of the inserted portion 3d may be a polygonal (for example, a regular hexagonal) shape.
As shown in fig. 16C, the hole shape of the inserted portion 3D may be elliptical, and as shown in fig. 16D, the hole shape of the inserted portion 3D may be asymmetrical such as oval.
As shown in fig. 16E, the hole shape of the inserted portion 3d may be a flower shape with a wavy side portion.
As shown in fig. 16F, the hole shape of the inserted portion 3d may be a sector shape.
Even if the hole shape of the inserted portion 3d is these shapes, the ground structure 1 can maintain the positioning function for the ground terminal 2 c. In addition, the ground terminal 2c is in contact with the inner wall of the inserted portion 3d through 4 corners of the ground terminal 2c as in the embodiment. And 4 corners of the ground terminal 2c are deformed.
4-1-2 two-position deformation (hourglass shape, irregular shape)
As shown in fig. 17A, the hole shape of the inserted portion 3d is formed such that the center of the left and right side portions Ed is closer to the center of the hole. In other words, the hole shape of the inserted portion 3d is an hourglass shape in which the left and right side portions Ed are narrowed. In the hole shape of the inserted portion 3d, 4 corners of the ground terminal 2c are not deformed, and both lateral sides of the ground terminal 2c are deformed by being in contact with the left and right side portions Ed. That is, in the present modification, two places of the ground terminal 2c are modified.
As shown in fig. 17B, the hole shape of the inserted portion 3d may also be an irregular shape having a pair of convex portions Ep. The hole shape of the inserted portion 3d shown in fig. 17B is a trapezoidal shape in which different shapes are vertically symmetrically arranged with the convex portion Ep as a boundary. The upper trapezoid is larger than the lower trapezoid in shape. The hole shape of the inserted portion 3d does not deform the 4 corners of the ground terminal 2 c. That is, both lateral sides of the ground terminal 2c are deformed by being in contact with the portions of the inserted portion 3d corresponding to the convex portions Ep. That is, the ground terminal 2c is deformed at two places in the present modification.
4-2 screw thread of inner wall of standing part 3d2
In the embodiment, the case where the grounding terminal 2c is deformed and the inserted portion 3d (the standing portion 3d2) is not deformed has been described, but the present invention is not limited thereto. The deformation of the metal plate structure 3 may be promoted by appropriately changing the material or the shape of the metal plate structure 3. As shown in fig. 18, a screw Th may be formed on the inner wall of the standing portion 3d2 of the inserted portion 3d by, for example, screw hole machining. The thread Th can be formed by, for example, cutting or rolling. When the thread Th is formed by rolling, a weldable surface treatment can be maintained on the surface of the hole portion (screw hole) of the inserted portion 3 d. Therefore, the operator can weld the hole portion (screw hole) of the inserted portion 3 d.
When the ground terminal 2c is inserted into the upright portion 3d2, the screw Th of the upright portion 3d2 is crushed, and the ground terminal 2c is inserted into the screw. That is, the size of the ground terminal 2c is such that the ground terminal 2c does not sink into the bottom of the screw when the ground terminal 2c is pressed into the inserted portion 3 d. In this way, in the present modification, in addition to the deformation of the ground terminal 2c, the deformation of the standing portion 3d2 is promoted, and the electrical connection between the ground terminal 2c and the inserted portion 3d is ensured.
4-3 stop 3h
As shown in fig. 19A and 19B, the metal plate structure 3 may further include a stopper portion 3 h. Specifically, the metal plate structure 3 includes a pair of stoppers 3h, and a window 3e is disposed between one stopper 3h and the other stopper 3 h. The stopper portion 3h is connected to the connecting portion 3c, and the stopper portion 3h extends from the connecting position side with the connecting portion 3c toward the terminal mounting portion 2a4 side of the socket 2. The stopper portion 3h faces the rear surface portion 2a2 in a direction (insertion direction) from the jack housing 2a toward the inserted portion 3 d. The metal plate structure 3 includes the stopper portion 3h, so that when the operator inserts the ground terminal 2c into the inserted portion 3d, the back surface portion 2a2 of the jack housing 2a abuts against the stopper portion 3h, and the operator can be prevented from excessively pressing the ground terminal 2c into the inserted portion 3 d.
4-4 inserted part 3d is in an inclined configuration
4-4-1 hole shape of inserted portion 3 d: circular shape
In the embodiment, the inserted portion 3d is connected to the connecting portion 3c at 90 degrees to the connecting portion 3c, but the invention is not limited thereto. In the present modification, as shown in fig. 20A and 20B, the angle formed by the inserted portion 3d and the connecting portion 3c is larger than 90 degrees. In the present modification, the inserted portion 3d includes the standing portion 3d2, but may not be included. In this modification, although not shown, the hole shape of the inserted portion 3d is circular as in the embodiment.
In this modification, the bending structure described in the embodiment is more easily bent, and when the operator inserts the ground terminal 2c into the inserted portion 3d, the inserted portion 3d is bent and deformed, and after the operator inserts the ground terminal 2c into the inserted portion 3d, the inserted portion 3d receives a stress to return to its original shape. Therefore, the ground terminal 2c receives an appropriate stress from the inserted portion 3d, and the force with which the ground terminal 2c and the inserted portion 3d are pushed against each other increases, so that the ground terminal 2c is more firmly connected to the inserted portion 3d, and the reliability of the ground structure 1 improves.
4-4-2 hole shape of inserted portion 3 d: sector shape
The hole shape of the inserted portion 3d is not limited to a circular shape. As shown in fig. 21A, the hole shape of the inserted portion 3d may be a fan shape. That is, the hole shape of the inserted portion 3d is the same as that shown in fig. 16F. When the hole shape of the inserted portion 3d is a sector shape, the arc-shaped upper side portion Eu is preferably longer than the arc-shaped lower side portion El. This facilitates the positioning function of the grounding terminal 2c described in the embodiment to be properly performed.
4-4-3 hole shape of inserted portion 3 d: irregular shape
As shown in fig. 21B, the hole shape of the inserted portion 3d may be irregular. That is, the hole shape of the inserted portion 3d is the same as that shown in fig. 17B. When the hole shape of the inserted portion 3d is irregular, the linear upper edge portion Eu is preferably longer than the linear lower edge portion El. This facilitates the positioning function of the grounding terminal 2c described in the embodiment to be properly performed.
In the present modification, the ground terminal 2c is in contact with the upper side portion Eu and the lower side portion El of the hole shape of the inserted portion 3d, and the ground terminal 2c is deformed at the contact portion. Unlike the configuration shown in fig. 17B, in the present modification, immediately after the ground terminal 2c is inserted into the inserted portion 3d, the upper end surface us (see fig. 20B) of the ground terminal 2c contacts the upper edge portion Eu, the left and right lateral side surfaces of the ground terminal 2c contact the convex portion Ep (see arrow Ar1 of fig. 20B), and the lower end surface ls (see fig. 20B) of the ground terminal 2c contacts the lower edge portion El (see arrow Ar2 of fig. 20B). That is, in the present modification, the contact portion between the ground terminal 2c and the inserted portion 3d is gradually increased, and the rapid increase in the insertion resistance of the ground terminal 2c is suppressed. Therefore, in the present modification, not only the left and right lateral surfaces of the ground terminal 2c but also the upper and lower surfaces of the ground terminal 2c are in contact with the inserted portion 3d, and the ground terminal 2c is more firmly connected to the inserted portion 3d, thereby improving the reliability of the ground structure 1.
5 other embodiments
Examples of conditions under which the hole of the inserted portion 3d is circular and the vertical cross-sectional shape of the ground terminal 2c is circular, elliptical, square, rectangular, polygonal, and the like will be described. When R is a circumscribed circle diameter of the vertical cross-sectional shape of the ground terminal 2c when the tolerance is the minimum and R is a circle diameter of the hole of the inserted portion 3d when the tolerance is the maximum, it is necessary to satisfy the expression R > R.
The following describes examples of conditions under which the hole of the inserted portion 3d is not limited to a circular shape, but the ground terminal 2c has various vertical cross-sectional shapes such as a circular shape, an elliptical shape, a square shape, a rectangular shape, and a polygonal shape. In a state where the ground terminal 2c is fixed to the inserted portion 3d by press-fitting, the following condition is satisfied at a plurality of (N is 1 to N: N is an integer of 2 or more) contact points where the vertical cross-sectional shape of the ground terminal 2c contacts the outer periphery of the hole in the inserted portion 3 d. Here, the state of predetermined fixation means a state in which the deformed portion 2c4 has not yet been depressed by press fitting.
Conditions are as follows: when the dimensions between the contact points in the vertical cross-sectional shape when the tolerance of the ground terminal 2c is the smallest are R1, R2, …, Rn, and the dimensions between the contact points in the outer peripheral shape when the tolerance of the hole of the inserted portion 3d is the largest are R1, R2, …, Rn, it is necessary to satisfy the expressions R1> R1, R2> R2, …, Rn > Rn for all the dimensions between the contact points.
[ notation ] to show
1: grounding structure
2: socket
2 a: socket frame
2a 1: connector insertion part
2a 2: back part
2a 3: flange part
2a 4: terminal mounting part
2a 5: ear part
2 b: plug with a locking mechanism
2 c: grounding terminal
2c 1: basal end part
2c 2: front end part
2c 3: front end hole
2c 4: deformation part
2 d: energizing terminal
3: metal plate structure
3 a: mounting part
3a 1: opening part
3a 2: opening part
3a 3: hole(s)
3 b: placing part
3 c: connecting part
3 d: inserted part
3d 1: base part
3d 2: vertical part
3d 21: tapered portion
3 e: window part
3 f: side wall part
3 g: hook part
3 h: stopper part
50: power supply
51: outer casing
52: no. 1 outer case
52 a: flange
52 b: hole(s)
53: no. 2 outer case
53 a: flange
53 b: seat part
54: power supply substrate
55: substrate
56: switch with a switch body
100: display device
101: picture display part
102: outer casing
Ed: edge part
El: lower edge part
Ep: convex part
Eu: upper edge part
Op: hole(s)
Sr: end face
Th: screw thread
ls: lower end face
p 1: gap
r 1: diagonal line
r 2: diameter of opening
tp: top part
us: and an upper end surface.
Claims (11)
1. A grounding structure comprises a socket and a metal plate structure,
the jack has a jack frame and a ground terminal,
the metal plate structural body has a mounting portion and an inserted portion,
the socket frame body is arranged on the mounting part,
the ground terminal is pressed into the inserted portion.
2. The ground structure of claim 1,
at least one of the ground terminal and the inserted portion is formed with a deformed portion,
the deformation portion is provided at a portion where the ground terminal contacts the inserted portion, and is formed as a recess.
3. The grounding structure of claim 1 or 2,
the inserted part has a base part and an erected part,
the standing part is connected to the base part in a standing manner,
the standing part protrudes from the connecting position with the base part to the inserting opening side,
the ground terminal is press-fitted into the erected portion.
4. The ground structure of claim 3,
the upright part is provided with an end face,
the end surface is formed at a distal end portion of the standing portion in a direction from the inserted portion side toward the socket frame side, and the end surface is made of a refractory material or is subjected to a refractory surface treatment.
5. The grounding structure of claim 1 or 2,
the metal plate structure body has a connecting portion,
the connecting portion is arranged to face the peripheral surface of the socket frame,
the connecting portion is connected to the mounting portion and the inserted portion.
6. The grounding structure of claim 1 or 2,
the metal plate structure has a window portion,
the ground terminal is exposed through the window.
7. The grounding structure of claim 1 or 2,
the inserted portion is a hole portion.
8. The grounding structure of claim 1 or 2,
the inserted portion is made of a weldable material or is subjected to a weldable surface treatment.
9. A power supply substrate is provided with:
the ground structure of any one of claims 1 to 8; and
a substrate on which the grounding structure is mounted,
the substrate has a ground circuit pattern formed thereon,
the ground structure is connected with the ground circuit pattern.
10. An electrical device having the power supply substrate of claim 9.
11. A grounding method of a grounding structure is provided, wherein,
the grounding structure includes a socket having a socket frame and a grounding terminal, and a metal plate structure having an inserted portion,
the grounding method includes an insertion step of inserting,
in the inserting step, the receptacle housing is attached to the metal plate structure while the ground terminal is press-fitted into the inserted portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019113129A JP6672510B1 (en) | 2019-06-18 | 2019-06-18 | Grounding structure, power supply board, electric device, and grounding method |
| JP2019-113129 | 2019-06-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112103725A true CN112103725A (en) | 2020-12-18 |
| CN112103725B CN112103725B (en) | 2021-10-08 |
Family
ID=70000871
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010474077.8A Active CN112103725B (en) | 2019-06-18 | 2020-05-29 | Grounding structure, power supply substrate, electric device and grounding method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6672510B1 (en) |
| CN (1) | CN112103725B (en) |
| TW (1) | TWI736313B (en) |
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| JPS57101480U (en) * | 1980-12-15 | 1982-06-22 | ||
| JPH06243932A (en) * | 1993-02-17 | 1994-09-02 | Canon Inc | Electronic device |
| JP2007299620A (en) * | 2006-04-28 | 2007-11-15 | Hirose Electric Co Ltd | Receptacle connector equipped with ground function, and device having this receptacle connector |
| CN201717461U (en) * | 2009-11-07 | 2011-01-19 | 力玮实业股份有限公司 | Power supply connector of socket and switch |
| CN202651523U (en) * | 2012-07-04 | 2013-01-02 | 东莞市竞跃电子有限公司 | Double grounding audio interface |
| CN207801061U (en) * | 2018-02-08 | 2018-08-31 | 乐清市宏昌无线电有限公司 | The ground structure of power outlet |
| CN109698438A (en) * | 2017-10-20 | 2019-04-30 | 广濑电机株式会社 | Shielded connector and shielded connector system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7445472B1 (en) * | 2007-10-11 | 2008-11-04 | Fu-Hsiang Huang | Safety electric socket |
| CN201741952U (en) * | 2010-06-30 | 2011-02-09 | 青岛海信电器股份有限公司 | Power socket fixing support and flat-panel television applying same |
| US9882318B2 (en) * | 2011-08-01 | 2018-01-30 | Snaprays Llc | Active cover plates |
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2019
- 2019-06-18 JP JP2019113129A patent/JP6672510B1/en active Active
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2020
- 2020-05-29 CN CN202010474077.8A patent/CN112103725B/en active Active
- 2020-06-09 TW TW109119298A patent/TWI736313B/en active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57101480U (en) * | 1980-12-15 | 1982-06-22 | ||
| JPH06243932A (en) * | 1993-02-17 | 1994-09-02 | Canon Inc | Electronic device |
| JP2007299620A (en) * | 2006-04-28 | 2007-11-15 | Hirose Electric Co Ltd | Receptacle connector equipped with ground function, and device having this receptacle connector |
| CN201717461U (en) * | 2009-11-07 | 2011-01-19 | 力玮实业股份有限公司 | Power supply connector of socket and switch |
| CN202651523U (en) * | 2012-07-04 | 2013-01-02 | 东莞市竞跃电子有限公司 | Double grounding audio interface |
| CN109698438A (en) * | 2017-10-20 | 2019-04-30 | 广濑电机株式会社 | Shielded connector and shielded connector system |
| CN207801061U (en) * | 2018-02-08 | 2018-08-31 | 乐清市宏昌无线电有限公司 | The ground structure of power outlet |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6672510B1 (en) | 2020-03-25 |
| TWI736313B (en) | 2021-08-11 |
| JP2020205197A (en) | 2020-12-24 |
| TW202107785A (en) | 2021-02-16 |
| CN112103725B (en) | 2021-10-08 |
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