CN116169501A - Terminal and chain terminal - Google Patents
Terminal and chain terminal Download PDFInfo
- Publication number
- CN116169501A CN116169501A CN202211448033.3A CN202211448033A CN116169501A CN 116169501 A CN116169501 A CN 116169501A CN 202211448033 A CN202211448033 A CN 202211448033A CN 116169501 A CN116169501 A CN 116169501A
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- CN
- China
- Prior art keywords
- terminal
- protruding
- axial direction
- width direction
- terminal 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.)
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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
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
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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
- 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
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- Coupling Device And Connection With Printed Circuit (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
Provided is a terminal which prevents the strength of a terminal body from decreasing. The terminal (10) is provided with a terminal body (11) extending in the axial direction and a protruding portion (16) protruding from the terminal body (11) to the outside in the width direction intersecting the axial direction. The terminal body (11) has a body side surface (12) facing the outside in the width direction and an electrical connection portion (14) located on one side in the axial direction from the protruding portion (16). The protruding portion (16) has a recess (24) recessed in the axial direction on one end surface (22) facing the other side in the axial direction. The recess (24) has a side surface portion (26) along the body side surface (12) of the terminal body (11).
Description
Technical Field
The present disclosure relates to terminals and chain terminals.
Background
The terminal disclosed in patent document 1 includes a protruding portion extending in the axial direction and a protruding portion (protruding piece) protruding from the protruding portion in the width direction. A connection portion electrically connected to the counterpart terminal is formed at the tip end portion of the protruding portion. The protruding portion has a linear portion along the width direction at an end surface on a side opposite to the side on which the connecting portion is located. The straight portion of the protruding portion is pressed by the jig when the terminal is assembled to the housing. Such a terminal is also disclosed in patent document 2.
Prior art literature
Patent literature
Patent document 1: japanese patent laid-open No. 2020-140807 (FIG. 2)
Patent document 2: japanese patent laid-open No. 2005-44788 (FIG. 5)
Disclosure of Invention
Problems to be solved by the invention
However, although not specifically shown in patent document 1 and patent document 2, in the case where the terminal 100 includes the terminal body 111 and the protruding portion 116 protruding from the terminal body 111 in the width direction, as shown in the reference example of fig. 5, a machined curved surface (shown by reference symbol R in fig. 5) is generally formed at the connecting corner (neck) of the terminal body 111 and the protruding portion 116. However, when the terminal 100 is small, the range of the machined curved surface occupied by the one end surface 122 of the protruding portion 116 is relatively large. Therefore, the accuracy of fitting jig 160 to terminal 100 by pressing one end surface 122 of protruding portion 116 needs to be strictly controlled.
For this, the following structure can be adopted: a recess 72 (see reference numeral 72 in fig. 2 and 3 of patent document 1) is formed in a connecting corner portion with the protruding portion 116 in a side surface of the terminal body 111, and the processing curved surface is retracted to the inside of the terminal body 111 by the recess 72. When the machined curved surface is not on the outside, the jig 160 can be brought close to the side surface of the terminal body 111, so that the operability of the jig is improved. However, when the recess 72 is formed in the side surface of the terminal body 111, the terminal body 111 is thinned by the depth of the recess 72, and therefore, in the case of the small-sized terminal 100, there is a possibility that the strength of the recess 72 of the terminal body 111 is lowered.
Accordingly, the present disclosure aims to provide a terminal and a chain terminal that prevent a decrease in strength of a terminal body.
Means for solving the problems
The terminal of the present disclosure includes a terminal body extending in an axial direction and a protruding portion protruding from the terminal body to an outside in a width direction intersecting the axial direction, the terminal body having a body side surface facing the outside in the width direction and an electrical connection portion located on one side of the protruding portion in the axial direction, the protruding portion having a recess recessed in the axial direction at one end surface facing the other side in the axial direction, the recess having a side surface portion along the body side surface of the terminal body.
Effects of the invention
According to the present disclosure, a terminal that prevents a decrease in strength of a terminal body can be provided.
Drawings
Fig. 1 is a perspective view of a terminal of embodiment 1 of the present disclosure.
Fig. 2 is a perspective view of the chain terminal.
Fig. 3 is an enlarged front view of a portion of one end face of the protruding portion pressed by the jig.
Fig. 4 is a side view of a terminal mounted to a housing.
Fig. 5 is a reference diagram for explaining a conventional problem.
Detailed Description
[ description of embodiments of the present disclosure ]
First, embodiments of the present disclosure will be described.
The terminal of the present disclosure is provided with a housing,
(1) The terminal includes a terminal body extending in an axial direction and a protruding portion protruding from the terminal body to an outside in a width direction intersecting the axial direction, wherein the terminal body includes a body side surface facing the outside in the width direction and an electrical connection portion located on one side of the protruding portion in the axial direction, the protruding portion includes a recess recessed in the axial direction at one end surface facing the other side in the axial direction, and the recess includes a side surface portion along the body side surface of the terminal body.
According to the above configuration, the connecting portion can be connected to a connection object such as a circuit board by pressing one end surface of the protruding portion with the jig. Since the one end surface of the protruding portion has a concave portion having a side surface portion along the main body side surface of the terminal main body, a machined curved surface is not formed at the joint corner portion of the main body side surface of the terminal main body and the one end surface of the protruding portion. Therefore, the jig can press the protruding portion in a state where it can contact with the body side surface of the terminal body. As a result, the jig can be easily assembled to the terminal, and the stability of assembling the terminal to the connection object can be improved. Further, since the recess is not formed in the main body side surface of the terminal main body, the width dimension of the terminal main body is not reduced by the recess, and therefore, the strength of the terminal main body can be prevented from being lowered.
(2) Preferably, the one end face of the protruding portion has a straight face portion along the width direction at an outer end portion in the width direction which is a portion other than the concave portion.
According to the above configuration, the straight surface portion of the protruding portion can be pressed by the jig, so that the assemblability of the terminal with respect to the connection object can be further improved.
(3) Preferably, the concave portion has a slope portion on the opposite side of the side surface portion in the width direction, and the slope portion is inclined in a direction away from the side surface portion as advancing to the other side in the axial direction.
According to the above configuration, the concave portion can be formed with good accuracy in the protruding portion.
(4) A chain terminal comprising the terminals according to any one of the above (1) to (3) arranged and connected in the width direction, wherein thin wall portions thinner than the protruding portions are formed between the protruding portions of the adjacent terminals in the width direction, and the adjacent terminals in the width direction are connected to each other by the thin wall portions.
According to the above configuration, the thin portions formed between the terminals adjacent in the width direction are cut, so that the terminals can be separated from each other to obtain the terminals. The shearing width can be reduced by the thin wall amount of the thin wall portion, so that the terminal can be corresponding to a small terminal, and the planarity of the terminal can be further ensured.
(5) Preferably, the thin-walled portion is formed so as to extend over the entire length of the protruding portion in the axial direction.
According to the above configuration, the cutting portion can be cut over the entire length of the extending portion in the axial direction, so that workability is excellent.
[ details of embodiments of the present disclosure ]
Specific examples of the present disclosure will be described below with reference to the drawings. The present invention is not limited to the examples, but is defined by the claims, and includes all modifications within the meaning and scope equivalent to the claims.
< embodiment 1>
The terminal 10 of embodiment 1 of the present disclosure is obtained by cutting the chain terminal 50 shown in fig. 2. The chain terminal 50 is obtained by punching a flat metal plate. As shown in fig. 4, the terminal 10 is connected to a circuit board 90 as a connection target in a state of being mounted on a housing 81 of the connector 80.
In the following description, the vertical direction corresponds to the vertical direction of each drawing. The left-right direction corresponds to the left-right direction of fig. 3. The front-rear direction is the thickness direction of the paper surface of fig. 3, and corresponds to the left-right direction of fig. 4. In the present specification, the vertical direction is synonymous with the axial direction (longitudinal direction of the terminal 10), and the horizontal direction is synonymous with the width direction.
(terminal)
As shown in fig. 1 and 3, the terminal 10 has a terminal body 11 extending in the up-down direction. The terminal body 11 has a pair of body side surfaces 12 facing in the left-right direction. The body side surface 12 is a plate thickness portion of the terminal body 11, and is arranged in the up-down direction. The body side surface 12 is orthogonal to the front surface 13 and the rear surface 17 (see fig. 4) of the terminal body 11. The front surface 13 and the rear surface 17 of the terminal body 11 are arranged in the up-down direction and the left-right direction, and constitute a plate surface of the terminal body 11.
The terminal body 11 has a connection portion 14 at a lower end portion. The connecting portion 14 is formed in a shape capable of being elastically deformed in the left-right direction, and has a pair of beam portions 15 that bulge out in a curved manner on both left and right sides. Each beam 15 is elastically contacted with the inner surface of the connection hole 91 of the circuit board 90, and is electrically connected to a conductive portion (not shown) formed in the connection hole 91.
The terminal 10 has a pair of protruding portions 16 protruding from the terminal body 11 to the left and right sides above the connection portion 14.
The extension 16 is formed in a rectangular plate shape, and has a front surface 18 and a rear surface 19 (see fig. 4). The front surface 18 and the rear surface 19 of the extension 16 are disposed along the up-down direction and the left-right direction, and constitute the plate surface of the extension 16. The front surface 18 and the rear surface 19 of the protruding portion 16 are continuous with the front surface 13 and the rear surface 17 of the terminal body 11, respectively, without steps.
The left and right end surfaces 21 of the extension portion 16 (the right end surface of the extension portion 16 on the right and the left end surface of the extension portion 16 on the left), the upper end surface of the extension portion 16 (hereinafter referred to as one end surface 22), and the lower end surface 23 of the extension portion 16 are arranged along the front-rear direction (the plate thickness direction of the extension portion 16). The left and right end surfaces 21 of the extension portion 16 are surfaces facing left and right, and are arranged in the up-down direction. The lower end surface 23 of the extension 16 is a downward surface, and is curved to be connected to the connection portion 14 in a curved manner.
The one end surface 22 of the extension portion 16 is an upward facing surface, and has a recess 24 at an inner end in the width direction, which is the side of the terminal body 11, and a straight surface 25 at an outer end in the width direction, which is the side away from the terminal body 11.
The recess 24 is formed in a U-shaped cross section recessed downward at the one end surface 22 of the extension 16. The recess 24 is formed by cutting the extension 16 through the entire thickness in the front-rear direction. Specifically, as shown in fig. 3, the concave portion 24 has: a side surface portion 26 along the body side surface 12 of the terminal body 11; a sloping surface portion 27 facing the side surface portion 26 on the outer side in the width direction of the side surface portion 26; and a bottom surface 28 connecting the side surface 26 and the inclined surface 27 in a curved shape at a lower end.
The side surface 26 is disposed so as to extend in the up-down direction along the main body side surface 12. The inclined surface portion 27 is disposed so as to be inclined in a direction away from the side surface portion 26 as it goes upward from the bottom surface portion 28. The radius of curvature of the bottom surface portion 28 is sufficiently smaller than the radius of curvature of the curved surface shape of the end surface 23 on the lower side of the protruding portion 16.
The straight surface portion 25 is disposed along the left-right direction on the one end surface 22 of the extension portion 16, and is formed sufficiently longer than the upper end opening width of the recess portion 24 in the left-right direction. The straight surface portions 25 are disposed at the same height in the respective protruding portions 16.
(chain terminal)
As shown in fig. 2, the chain terminal 50 is configured by connecting a plurality of terminals 10 in the left-right direction. In fig. 2, only two terminals 10 are shown, and terminals connected in the same arrangement pattern on both sides of the two terminals 10 are omitted.
The chain terminal 50 has thin portions 51 thinner than the protruding portions 16 in the front-rear direction between the protruding portions 16 of the respective terminals 10 adjacent in the left-right direction. The terminals 10 adjacent to each other in the lateral direction are connected to each other by the thin portions 51. The projecting portion 16 and the thin portion 51 of each terminal 10 are continuous in a belt shape in the left-right direction together with the corresponding portion of the terminal body 11, thereby constituting the carrier 52 of the chain terminal 50.
The terminal 10 is formed by cutting the thin-walled portion 51 from the carrier 52. The left and right end surfaces 21 of the extension portion 16 are cut surfaces exposed by cutting the thin wall portion 51. The upper and lower dimensions of the thin wall portion 51 are the same as those of the extension portion 16. The thickness of the thin portion 51 in the front-rear direction is half the thickness of the extension portion 16 in the front-rear direction, and is the same as the width dimension of the thin portion 51 in the left-right direction. That is, the shearing width when cutting the carrier 52 corresponds to the thickness of the thin portion 51 in the front-rear direction. Therefore, compared with the case of cutting the portion corresponding to the extension portion 16, the shearing width can be reduced by the thin portion 51, and the small-sized terminal 10 can be provided. Further, since the thin portion 51 is cut off, the cutting force is less likely to be transmitted to the extension portion 16, and deformation of the extension portion 16 can be avoided.
(connector)
The connector 80 is a board connector mounted on a circuit board 90, and includes a plurality of terminals 10 and a synthetic resin housing 81 as shown in fig. 4. The terminal 10 is bent midway in the longitudinal direction and is formed in an L-shape as a whole. The horizontal portion of the terminal 10 is disposed so as to penetrate the inner wall 82 of the housing 81 and protrude into the hood 83. The vertical portion of the terminal 10 is exposed outside the housing 81, and the connection portion 14 on the lower end side is inserted into the connection hole 91 of the circuit board 90 to be connected.
(connection method of terminal to connection object)
When the connection portion 14 of the terminal 10 is inserted into the connection hole 91 of the circuit board 90, as shown in fig. 3, the jig 60 abuts against one end face 22 of the protruding portion 16. The jig 60 has a pressing surface 61 and an opposing surface 62, the pressing surface 61 being in contact with the one end surface 22 of the extension 16, and the opposing surface 62 being orthogonal to the pressing surface 61 and opposing the body side surface 12 of the terminal body 11. The pressing surface 61 is disposed along the left-right direction. The facing surface 62 is disposed along the up-down direction. The terminal body 11 is disposed so as to be sandwiched between opposing surfaces 62 that are paired in the left-right direction.
The terminal 10 receives a pressing force applied from the pressing surface 61 of the jig 60 to the one end surface 22 of the protruding portion 16 in a state where the lower end portion of the terminal body 11 is inserted into the connection hole 91 shallowly, and is displaced downward in accordance with the elastic deformation of the connection portion 14. When the pressing operation of the jig 60 is stopped, the displacement of the terminal 10 is also stopped, and the connection portion 14 is inserted into the connection hole 91 at a regular depth to be electrically connected to the conductive portion.
However, in the case of embodiment 1, a recess 24 is provided in one end surface 22 of the extension portion 16, and a side surface portion 26 of the recess 24 is formed so as to be recessed downward along the body side surface 12 of the terminal body 11. Therefore, a machined curved surface is not formed at the connecting corner of the one end surface 22 of the extension 16 and the body side surface 12 of the terminal body 11 (see fig. 5). Therefore, the opposing surface 62 of the jig 60 can approach a position where it can contact the main body side surface 12 of the terminal main body 11, and the pressing surface 61 of the jig 60 contacts the straight surface portion 25 in the lateral direction, so that the terminal 10 can be properly pressed downward. As a result, it is not necessary to strictly manage the fitting of the jig 60 to the terminal 10, and the adjustment of the jig 60 becomes easy. In addition, the stability of assembling the terminal 10 to the circuit board 90 can be improved.
In particular, in embodiment 1, the recess 24 is provided in the protruding portion 16, and the width dimension of the terminal body 11 is not reduced by the recess 24. Therefore, the strength of the terminal body 11 can be prevented from being lowered.
Further, since the pressing surface 61 of the jig 60 contacts the straight surface portion 25 of the protruding portion 16 in the left-right direction and the terminal 10 is displaced downward to be connected to the circuit board 90, the pressing force of the jig 60 can be directly transmitted to the terminal 10, and the assemblability of the terminal 10 can be further improved.
Further, since the recess 24 has the inclined surface portion 27 inclined in a direction away from the side surface portion 26 as it goes upward, the recess 24 can be formed in the extension portion 16 with high accuracy even in the small-sized terminal 10.
[ other embodiments of the present disclosure ]
The presently disclosed embodiments are considered in all respects to be illustrative and not restrictive.
In the case of embodiment 1, the side surface portion of the concave portion is formed so as to extend straight in the axial direction. However, as another embodiment, the side surface portion of the concave portion may be formed to extend in a curved shape.
In the case of embodiment 1, the axial direction is set to the vertical direction which is the gravitational direction. However, as another embodiment, the width direction may be set to the up-down direction which is the gravitational direction. The vertical direction is not limited to the strict gravitational direction, and may be inclined with respect to the gravitational direction within an allowable range.
In the case of embodiment 1, the connecting portion has an elastically deformable shape. However, as another embodiment, the connection portion may be a rigid portion soldered to the circuit board.
In the case of embodiment 1, the connection portion is a portion connected to the conductive portion of the circuit board. However, as another embodiment, the connection portion may be a portion electrically connected to the terminal on the opposite side. In this case, the protruding portion can be assembled to the housing.
Description of the reference numerals
10: terminal for connecting a plurality of terminals
11: terminal body
12: side of the main body
13: front surface of terminal body
14: connecting part
15: beam portion
16: extension part
17: rear surface of terminal body
18: front surface of the protruding part
19: rear surface of the protruding part
21: left and right end surfaces of the protruding part
22: an end surface
23: end face of lower side of the protruding part
24: concave part
25: straight face
26: side surface portion
27: bevel portion
28: bottom surface portion
50: chain terminal
51: thin wall part
52: carrier body
53: groove
60: jig tool
61: pressing surface
62: opposed surface
72: (shown in the prior art reference drawings) recesses
80: connector with a plurality of connectors
81: shell body
82: inner wall
83: cover part
90: circuit substrate
91: connecting hole
100: (shown in the prior art reference drawings) terminals
111: (shown in the prior art reference drawings) terminal body
116: (shown in the prior art reference figures) extensions
122: an end face (shown in the prior art reference)
160: (shown in the existing reference drawings) jig
R: (shown in the prior art reference drawings) processing curved surfaces
Claims (5)
1. A terminal includes a terminal body extending in an axial direction and a protruding portion protruding from the terminal body to an outside in a width direction intersecting the axial direction,
the terminal body has a body side surface facing the outside in the width direction and an electrical connection portion located on one side in the axial direction from the protruding portion,
the protruding portion has a recess recessed in the axial direction on one end face on the other side in the axial direction,
the recess has a side surface portion along the body side surface of the terminal body.
2. The terminal according to claim 1, wherein the one end face of the protruding portion has a straight face portion along the width direction at an outer end portion in the width direction that is a portion other than the concave portion.
3. The terminal according to claim 1 or claim 2, wherein the recess has a slope portion on an opposite side of the side surface portion in the width direction, the slope portion being inclined in a direction away from the side surface portion as advancing toward the other side in the axial direction.
4. A chain terminal comprising the terminals according to any one of claims 1 to 3, wherein the terminals are connected to each other in the width direction,
thin wall portions thinner than the protruding portions are formed between the respective protruding portions in the terminals adjacent in the width direction,
the terminals adjacent in the width direction are connected to each other by the thin wall portion.
5. The chain terminal according to claim 4, wherein the thin-walled portion is formed so as to extend over the entire length of the protruding portion in the axial direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021189942A JP2023076911A (en) | 2021-11-24 | 2021-11-24 | Terminal and chain terminal |
| JP2021-189942 | 2021-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116169501A true CN116169501A (en) | 2023-05-26 |
Family
ID=86410212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211448033.3A Pending CN116169501A (en) | 2021-11-24 | 2022-11-18 | Terminal and chain terminal |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2023076911A (en) |
| CN (1) | CN116169501A (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7235153B2 (en) * | 2017-12-29 | 2023-03-08 | 株式会社三洋物産 | game machine |
| JP7235154B2 (en) * | 2018-02-15 | 2023-03-08 | 株式会社三洋物産 | game machine |
| JP7231076B2 (en) * | 2018-03-08 | 2023-03-01 | 株式会社三洋物産 | game machine |
| JP2020130466A (en) * | 2019-02-15 | 2020-08-31 | 株式会社三洋物産 | Game machine |
| JP7234740B2 (en) * | 2019-03-28 | 2023-03-08 | 株式会社三洋物産 | game machine |
| JP7234741B2 (en) * | 2019-03-28 | 2023-03-08 | 株式会社三洋物産 | game machine |
| JP7234760B2 (en) * | 2019-04-11 | 2023-03-08 | 株式会社三洋物産 | game machine |
| JP7234761B2 (en) * | 2019-04-11 | 2023-03-08 | 株式会社三洋物産 | game machine |
| JP2023063369A (en) * | 2022-01-07 | 2023-05-09 | 株式会社三洋物産 | game machine |
| JP2023053387A (en) * | 2022-02-04 | 2023-04-12 | 株式会社三洋物産 | game machine |
| JP2023060269A (en) * | 2022-04-01 | 2023-04-27 | 株式会社三洋物産 | game machine |
| JP2023060270A (en) * | 2022-04-01 | 2023-04-27 | 株式会社三洋物産 | game machine |
-
2021
- 2021-11-24 JP JP2021189942A patent/JP2023076911A/en active Pending
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2022
- 2022-11-18 CN CN202211448033.3A patent/CN116169501A/en active Pending
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| Publication number | Publication date |
|---|---|
| JP2023076911A (en) | 2023-06-05 |
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