CN104852192A - Electronic device - Google Patents
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- Publication number
- CN104852192A CN104852192A CN201410051682.9A CN201410051682A CN104852192A CN 104852192 A CN104852192 A CN 104852192A CN 201410051682 A CN201410051682 A CN 201410051682A CN 104852192 A CN104852192 A CN 104852192A
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- Prior art keywords
- claw
- pedestal
- fixed component
- terminal
- cylindrical portion
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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
- 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
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
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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
- 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
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/301—Clamped connections, spring connections utilising a screw or nut clamping member having means for preventing complete unscrewing of screw or nut
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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
- 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
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/302—Clamped connections, spring connections utilising a screw or nut clamping member having means for preventing loosening of screw or nut, e.g. vibration-proof connection
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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
- 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
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/304—Clamped connections, spring connections utilising a screw or nut clamping member having means for improving contact
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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
- 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
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/305—Clamped connections, spring connections utilising a screw or nut clamping member having means for facilitating engagement of conductive member or for holding it in position
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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
- 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
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/307—Clamped connections, spring connections utilising a screw or nut clamping member characterised by the thread of the screw or nut
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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
- 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
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/308—Conductive members located parallel to axis of screw
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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
- 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
- H01R4/28—Clamped connections, spring connections
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The invention provides an electronic device, and the electronic device is provided with a terminal platform which can prevent a metal terminal from being pulled out and falling. The device is provided with the terminal platform, and the terminal platform is provided with a base, a screw, a fixing member for fixing the screw, and an elastic piece terminal. The elastic piece terminal is conductive, and is provided with a through hole which is used for enabling the screw to pass. Moreover, the elastic piece terminal is disposed between the head part of the screw and the fixing member. The device is characterized in that the fixing member is provided with at least one clamping claw; and the clamping claw is clamped with the base.
Description
Technical field
The present invention relates to a kind of electronic installation with terminal board.
Background technology
As electronic installation, in order to be electrically connected with other equipment, often have during electronics connects the terminal board commonly used, such as temperature controller, Programmable Logic Controller etc. all have terminal board.Fig. 1 schematically shows the stereogram of the electronic installation with existing terminal board, and Fig. 2 schematically shows the exploded partial perspective view of existing terminal board, and Fig. 3 is the partial sectional view schematically showing existing terminal board.As shown in Figure 1, terminal board has plastic pedestal 1, be formed with the housing 2 of tubular in the outer rim of pedestal 1, the pedestal 1 of terminal board has the multiple wire connecting portion 3 for connecting electric wire, and each wire connecting portion 3 has metal terminal 31, shell fragment terminal 32 and screw 33.As shown in Figure 2, after metal terminal 31 being placed on pedestal 1, barbed for side tool shell fragment terminal 32 being pressed into pedestal 1 and snapping in pedestal to make hangnail, be then screwed into screw 33 internal screw-thread screw with metal terminal 31, form the state shown in Fig. 3 thus.In addition, being inserted with circuit board etc. in the inside of housing 1 makes circuit board contact with the contact of shell fragment terminal 31.
In above-mentioned terminal board, the interference fit of the barbed portion of shell fragment terminal 32 and pedestal 1 is utilized to come off to prevent metal terminal 31.Further, when connecting electric wire, screw and and shell fragment terminal 32 between sandwich one end of not shown electric wire, the other end of electric wire is connected with other equipment, thus the connection of realizing circuit plate and other equipment.In actual job; electric wire can be pulled usually; owing to only utilizing shell fragment terminal 32 to be fixed metal terminal 31 with the interference fit of pedestal 1, so often cause metal terminal, shell fragment terminal etc. are pulled out from pedestal and come off, thus bring the harmful effects such as open circuit.
In addition, in patent documentation CN101635422A, disclose a kind of structure of terminal board, in this terminal board, only utilize the barbed portion of dummy slider and the interference fit of pedestal to prevent screw cap-falling.Therefore as described above, in actual job, because electric wire can be pulled usually, so often cause dummy slider, nut etc. are pulled out from pedestal and come off, thus the harmful effects such as open circuit (concrete Fig. 1, Fig. 7 with reference to CN101635422A) are brought.
Patent documentation 1:CN101635422A.
Summary of the invention
The present invention for solving the problem and proposing, its object is to provide a kind of have metal terminal etc. can be avoided to be pulled out and the electronic installation of the terminal board come off.
Electronic installation of the present invention has terminal board, this terminal board has pedestal, screw, the fixed component of hold-down screw, shell fragment terminal, this shell fragment terminal has conductivity and has the through hole for making described screw pass, and this shell fragment terminal arrangement is between the head and described fixed component of described screw, it is characterized in that, this fixed component has at least one claw, and this claw and described pedestal fasten.
In the present invention, preferably, described fixed component has the flange arranging female first cylindrical portion and the ring-type in one end of this first cylindrical portion setting at inner surface, and described flange is provided with the described claw of hook-shaped another side extension to this first cylindrical portion.
In the present invention, preferably, the flange of described fixed component is provided with at least one first otch, this shell fragment terminal has projection, and described projection is inserted in described first otch that arranges on described flange.
In the present invention, preferably, described pedestal is formed with recess, the base plate of this recess is formed with the through hole of incised notch portion and toroidal, described first cylindrical portion of described fixed component is inserted in described through hole, and the flange of described fixed component is placed on the upper surface of the base plate of described recess, and described claw is inserted in this incised notch portion, further, described claw is engaged with described pedestal by the rotation of described fixed component.
In the present invention, preferably, coaxial and be integrally formed with the second cylindrical portion with this base plate with described through hole on the lower surface of the base plate of described recess, the outer peripheral face of this second cylindrical portion is formed the arm of at least one cantilever beam-like, the upper surface of the described base plate side of this arm is provided with can the strain projection guiding stop part that is, this guiding stop part has and to extend from the upper surface of the described arm front end raised to this and the plane parallel with the central shaft of described second cylindrical portion and to extend from the front end that the upper surface of this arm is raised to this and gradually near the inclined plane of described plane, when described fixed component rotates, described claw is in the progressive direction of advance in side engaged with described pedestal, it is closer to the front that described plane compares described inclined plane, described inclined plane guides the advance of described claw when described claw is advanced to the direction engaged with described pedestal by the rotation of described fixed component, described plane stops that described claw moves to the direction contrary with described direction of advance after described claw and described pedestal engage.
In the present invention, preferably, described claw is being the inclined plane that the front end that extends to described another side and the position in the front of described direction of advance have that the inclined plane along described guiding stop part tilts, when described claw is advanced to the direction engaged with described pedestal by the rotation of described fixed component, the inclined plane of described claw is guided by the inclined plane of described guiding stop part.
In the present invention, preferably, the internal diameter of described through hole is greater than the internal diameter of described second cylindrical portion.
In the present invention, preferably, described claw is stuck on the lower surface of the base plate of described recess.
In the present invention, preferably, in opposite directions two positions of described second cylindrical portion are respectively equipped with described arm, and are respectively arranged with described guiding stop part on each described arm, in opposite directions two positions of the flange of described fixed component are respectively arranged with hook-shaped described claw.
In the present invention, preferably, on the described flange of described fixed component, relative to the position being provided with described claw, when described fixed component rotates, described claw is provided with the second otch to progressive direction of advance side, the side engaged with described pedestal, there is round shape outer edge surface in the outer rim of described flange and rotate fixing outer edge surface, this round shape outer edge surface is apart from the constant distance of the central shaft of described flange, the distance of outer edge surface apart from this central shaft is fixed in this rotation, along with gradually more elongated apart from the distance of this central shaft than described round shape outer edge surface close to described second otch, when described claw engages with pedestal, the sidewall that outer edge surface and described recess are fixed in this rotation engages.
In the present invention, preferably, described fixed component is made of metal.
According to electronic installation of the present invention, metal terminal, shell fragment terminal etc. can being avoided to be pulled out because pulling electric wire, reliably can to guarantee the electrical connection between equipment.In addition, when installing metal terminal, with very little pressure (no better than 0) press-in metal terminal, and with very little moment of torsion rotating metallic terminal, the claw of metal terminal and pedestal just can be made to fasten, assemble very convenient thus.
Accompanying drawing explanation
Fig. 1 schematically shows the stereogram of the electronic installation with existing terminal board.
Fig. 2 schematically shows the exploded partial perspective view of existing terminal board.
Fig. 3 is the partial sectional view schematically showing existing terminal board.
Fig. 4 is the exploded partial perspective view of the terminal board schematically showing electronic installation of the present invention.
Fig. 5 A, Fig. 5 B are the stereograms of the metal terminal schematically showing terminal board of the present invention.
Fig. 6 is the stereogram schematically showing shell fragment terminal of the present invention.
Fig. 7 A is the partial enlarged drawing schematically showing pedestal of the present invention, and Fig. 7 B is the partial top view schematically showing pedestal of the present invention; Fig. 7 C schematically shows the fragmentary perspective cross sectional view being arranged on and pedestal being installed metal terminal, and Fig. 7 D, Fig. 7 E schematically show the enlarged drawing guiding stop part.
Fig. 8 A to Fig. 8 C be schematically assembling metal terminal time figure.
Fig. 9 A to Fig. 9 B is figure when schematically assembling shell fragment terminal.
Figure 10 A to Figure 10 C is figure when schematically assembling screw.
Wherein, description of reference numerals is as follows:
11 metal terminals
12 shell fragment terminals
13 screws
111 cylindrical portion
112 flanges
113 second otch
114 claws
1141 bends
1142 first extensions
1143 second extensions
1144 inclined planes
115 first otch
116 inclined-planes
121 main parts
122 first kinks
123 second kinks
1212 projections
124 hangnails
101 recesses
1011 through holes
1012 incised notch portions
102 cylindrical portion
1021 arms
1022 guide stop part
10221 inclined planes
Embodiment
Below, with reference to accompanying drawing, embodiments of the present invention are described in detail.In addition, same Reference numeral is marked to part same or equivalent in figure, do not carry out repeat specification.
Fig. 4 is the exploded partial perspective view of the terminal board schematically showing electronic installation of the present invention.As shown in Figure 4, electronic installation of the present invention has the plastic housing of tubular, and one end of housing is provided with terminal board, and terminal board has plastic pedestal, be integrally formed on above-mentioned housing in the outer rim of pedestal, the pedestal of terminal board has the multiple wire connecting portion for connecting electric wire.Each wire connecting portion has screw 13, for the metal terminal 11 as fixed component of hold-down screw 13 and the shell fragment terminal 12 that can conduct electricity, one end of not shown electric wire is sandwiched between the packing ring 131 of shell fragment terminal 12 and screw 13, in the present invention, also can not have packing ring 131, electric wire is directly clipped between the head of shell fragment terminal 12 and screw 13.In addition, in the present invention, be not limited to metal terminal as fixed component, also can use the tapped terminal etc. of hard resin, as long as screw 13 can be firmly fixed.In addition, in the present invention, the side of the other end close to housing of pedestal is called downside, the side of the other end away from housing of pedestal is called upside.
Fig. 5 A, Fig. 5 B are the stereograms of the metal terminal 11 schematically showing terminal board of the present invention.Metal terminal 11 has the flange 112 of roughly ring-type arranging female cylindrical portion 111 at inner surface and be integrally formed in one end of cylindrical portion 111, the position in opposite directions of the outer rim of flange 112 is formed the second otch 113 respectively, and namely the other end that flange 112 is formed with cylindrical portion 111 descends two hook-shaped claws 114 of lateral buckling.Each claw 114 is preferably generally l-shaped, have respectively and the bend 1141 that flange 112 is connected, the first extension 1142 of quadrangular shape extended downwards from bend 1141 and the second extension 1143 of the quadrangular shape that to direction of rotation (in the present invention, be clockwise direction overlook state under and direction of advance) side extend vertical with the first extension 1142.The upper surface of the second extension 1143 is used for abutting with the lower surface of the base plate of the recess described later of pedestal, comes off to prevent metal terminal 11 to be pulled out.In addition, namely junction between the front surface and lower surface of the second extension 1143 is formed with inclined plane 1144(by cutting, claw is being the inclined plane that the front end that extends to another side of cylindrical portion and the position in the front of direction of advance have that the inclined plane along guiding stop part described later tilts), this inclined plane 1144 guides stop part to make its deform (detailed content describes later) for abutting against with the inclined plane of guiding stop part described later and sliding to press along it.
In addition, be also formed with the first otch 115 respectively in the position in opposite directions of the outer rim of the flange 112 of metal terminal 11, two projections of shell fragment terminal 12 described later can be inserted in this first otch 115, prevent metal terminal 11 from rotating further.
In addition, in the present invention, can in the outer rim of flange 112, relative to the position being provided with claw 114, when metal terminal 11 rotates, claw 114 is provided with the second otch 113 to the side engaged with pedestal progressive direction of advance (clockwise direction) side, there is round shape outer edge surface in the outer rim of the flange 112 of ring-type and rotate fixing outer edge surface, this round shape outer edge surface is apart from the constant distance of the central shaft of flange 112, the distance of outer edge surface apart from this central shaft is fixed in this rotation, along with gradually more elongated apart from the distance of this central shaft than round shape outer edge surface close to described second otch 113, when claw 114 engages with pedestal, the sidewall that outer edge surface and recess are fixed in this rotation engages.Thus, rotate clockwise when preventing metal terminal 11 to be applied in excessive power because exerting oneself trip bolt.
Fig. 6 is the stereogram schematically showing shell fragment terminal 12 of the present invention.Shell fragment terminal 12 carries out punch press process to a flat shell fragment and bends and formed, and is configured between the head of screw 13 and metal terminal 11.This shell fragment terminal 12 has main part 121, first kink 122, second kink 123.Main part 121 is formed with the through hole 1211 passed for screw 13, and be formed with the projection 1212 of bending downwards respectively in the both sides of main part 121, this projection 1212 is for snapping in the first otch 115 of above-mentioned metal terminal 11.Be formed with multiple contact 1221 on the top of the first kink 122, this contact 1221 is for being connected with not shown circuit board.In addition, first, second kink 122,123 is formed with hangnail 124, when shell fragment terminal 12 is pressed into pedestal, hangnail 124 and the pedestal generation interference fit of shell fragment terminal 12, hangnail 124 is snapped in pedestal and realizes fixing between shell fragment terminal 12 and pedestal, thus further fixing metal terminal 11.In the present invention, because the claw and pedestal utilizing metal terminal 11 fastens, so also hangnail 124 can not be arranged on shell fragment terminal 12.
Fig. 7 A is the partial enlarged drawing schematically showing pedestal of the present invention, and Fig. 7 B is the partial top view schematically showing pedestal of the present invention; Fig. 7 C schematically shows the fragmentary perspective cross sectional view being arranged on and pedestal being installed metal terminal, and Fig. 7 D, Fig. 7 E schematically show the enlarged drawing guiding stop part.As shown in the figure, pedestal is formed recess 101, the through hole 1011 of toroidal is formed at the base plate 1013 of recess 101, in addition, the base plate 1013 of recess 101 is formed with the claw 1142 for inserting metal terminal 11 and two incised notch portions 1012 that claw 114 can be allowed to rotate to an angle, claw 114 is engaged with pedestal in this incised notch portion 1012 by the rotation of metal terminal 11.In addition, on the lower surface 10132 of the base plate 1013 of recess 101 with through hole 1011 coaxially and be integrally formed with cylindrical portion 102 with base plate 1013, the internal diameter d of cylindrical portion 102 is less than the internal diameter D of through hole 1011, and the lower end of the screw 13 of (with reference to Figure 10 C) after installing screw 13 can be contained in this cylindrical portion 102, cause the generations such as short circuit to avoid the lower end of screw 13 to contact with other elements.In addition, on in opposite directions two positions of the outer peripheral face of cylindrical portion 102, respectively in cantilever beam-like ground and with the axes normal of through hole 1011 be provided with two flat arms 1021, in the tip side of arm 1021 and the upper surface of base plate side, being provided with can the guiding stop part 1022 as projection of strain, namely this guiding stop part 1022 has the plane 10222(vertical with flat arm 1021, the front end raised to this from the upper surface of described arm extends and the plane parallel with the central shaft of described second cylindrical portion) and from the upper surface of arm 1021 along with the inclined plane tilted upward close to this plane 10222 (namely, extend from the upper surface of this arm front end raised to this and gradually near the inclined plane of described plane), when described metal terminal 11 rotates, described claw 14 is in the progressive direction of advance in the side engaged with pedestal (clockwise direction), described plane 10222 is more closer to the front than described inclined plane 10221, this inclined plane 10221 guides the advance of claw 114 when the claw 114 of metal terminal 11 is advanced to the direction that namely dextrorotation veer engages with pedestal by the rotation of described metal terminal 11, the claw 114 of this plane 10222 barrier metal terminal 11 after claw 114 engages with pedestal is to the movement being rotated counterclockwise direction.When claw 114 advances to the direction engaged with pedestal because of the rotation of metal terminal 11, the inclined plane 10221 of the directed stop part 1022 in inclined plane 1144 of described claw 114 guides, namely the inclined plane 10221 of stop part 1022 is guided to guide the advance of claw 114, stop part 1022 is guided to be pressed by claw 114 when guiding claw 114 to advance and strain occurs, move to leaving pedestal side, and, also strain can be there is downwards in the arm 1021 of cantilever beam-like when guiding stop part 1022 to be pressed by claw 114, claw 114 is crossed smoothly guide stop part 1022 and engage with pedestal, and, after claw 114 engages with pedestal, stop part 1022 is guided to utilize the plane vertical with arm 1021, stop that claw 114 moves counterclockwise, avoid the claw 114 of metal terminal 11 and base-separation and cause metal terminal 11 to come off from pedestal.
The base plate 1013 of the recess 101 of pedestal is for loading the flange 112 of metal terminal 11, the through hole 1011 of recess 101 is for inserting the cylindrical portion 111 of metal terminal 11, the external diameter of cylindrical portion 111 is less than the internal diameter D of through hole 1011, and is greater than the internal diameter d of cylindrical portion 102.The cylindrical portion 11 of metal terminal 11 can be connected on the end difference that through hole 1011 and cylindrical portion 102 formed, so that can more stably support metal terminal 11.In the present invention, the cylindrical portion 11 of metal terminal 11 also can not abut with end difference, in addition, also can not form end difference between cylindrical portion 102 and through hole 1011.
In addition, pedestal is also formed two the incised notch portions 103 arranging of shape according to 12 of shell fragment terminal, the first kink 122 and the second kink 123 of shell fragment terminal 12 can be pressed into respectively in two incised notch portions 103.
Below, be described with reference to the assembling of accompanying drawing to terminal board of the present invention.
Fig. 8 A to Fig. 8 C be schematically assembling metal terminal time figure.First, in the mode that two of metal terminal 11 claws 114 are relative with two incised notch portions 1012 of the recess 101 of pedestal respectively, metal terminal 11 is placed in the top of pedestal, then, with less power (approximating zero) press-in metal terminal 11, the flange 112 of metal terminal 11 is placed on the upper surface 10131 of the base plate 1013 of recess 101.Then, with less moment of torsion, metal terminal 11 is advanced clockwise, the inclined plane 1144 of the claw 114 of metal terminal 11 abuts against with guiding the inclined plane 10221 of stop part 1022, this inclined plane 10221 guides claw 114 to advance clockwise, and along with the advance of claw 114, claw 114 presses and guides stop part 1022 to make it that strain occur, and the arm 1021 of cantilever beam-like also strain occurs downwards.After claw 114 crosses guiding stop part 1022, arm 1021 and the guiding stop part of cantilever beam-like are all returned to original state, guide the plane 10222 vertical with the arm 1021 of tabular of stop part 1022 barrier metal terminal 11 to be that claw 114 moves counterclockwise counterclockwise.Further, after claw 114 crosses guiding stop part 1022, the lower surface 10132 of the upper surface of the second extension 1143 of claw 114 and the base plate of the recess 101 of pedestal abuts against, and claw 114 and pedestal is fastened, thus prevents metal terminal 11 from coming off.Further, the rotation of flange 112 is fixed outer edge surface 116 and is engaged mutually with the sidewall of recess 101, thus metal terminal rotation is clockwise limited.
Fig. 9 A to Fig. 9 B is figure when schematically assembling shell fragment terminal 12.As shown in the figure, shell fragment terminal 12 is made to be positioned at the top of metal terminal 11 in the mode that the first kink 122 of shell fragment terminal 12 and the second kink 123 are corresponding with two incised notch portions 103 respectively, then, shell fragment terminal 12 is pressed into pedestal, hangnail 124 and the pedestal generation interference fit of shell fragment terminal 12, make hangnail 124 snap in pedestal and realize fixing between shell fragment terminal 12 and pedestal.Thereby, it is possible to utilize shell fragment terminal 12 to prevent metal terminal 11 from coming off further.In addition, two projections 1212 that the main part 121 of shell fragment terminal 12 is arranged are inserted in the first otch 115 of setting on the flange 112 of metal terminal 11 respectively, thereby, it is possible to prevent metal terminal 11 from rotating further.
Figure 10 A to Figure 10 C is figure when schematically assembling screw.As shown in the figure, make the screw 13 of belt washer 131 insert cylindrical portion 111 via the through hole 1211 arranged on shell fragment terminal 12 and tighten, complete the assembling of terminal board thus.
In the present invention, owing to not only utilizing shell fragment terminal 12 fixing metal terminal 11, and utilize the claw 114 of metal terminal 11 to engage with pedestal, metal terminal 11 grade is prevented to be pulled out from pedestal and to come off, with in the past only utilize shell fragment terminal to compared with the structure preventing metal terminal etc. and be pulled out from pedestal, can metal terminal be prevented better to be pulled out.
In addition, when installing metal terminal 11, with very little pressure (no better than 0) press-in metal terminal 11, and with very little moment of torsion rotating metallic terminal 11, the claw of metal terminal and pedestal just can be made to fasten, assemble very convenient thus.
In the present invention, metal terminal 11 is provided with two claws, but is not limited to this, one, three or four also can be set with upper clipping claw.Claw also can not abut with the bottom surface of pedestal and realize engaging, and such as claw can be entrapped in recess that pedestal is arranged and realize engaging.In addition, shape and the setting position of claw 114 are also not limited thereto, and also can carry out various distortion, as long as can engage with pedestal.
In addition, in the present invention, also can not make shell fragment terminal and pedestal interference fit, with very little power (no better than zero) press-in shell fragment terminal, only utilize the claw of metal terminal to prevent and be pulled out.
In addition, in the present invention, the flange of metal terminal arranges inclined-plane, the sidewall of this inclined-plane and recess engages, and thus, even if at trip bolt of exerting oneself, metal terminal also can not rotate clockwise.But, in the present invention, also inclined-plane can not be set on the flange of metal terminal, and only utilize claw to limit metal terminal rotation clockwise.
In addition, in the present invention, make metal terminal rotate clockwise claw is engaged with pedestal, metal terminal also can be made to rotate counterclockwise claw is engaged with pedestal.
The quantity of the second notch of metal terminal, the projection of shell fragment terminal is not limited to two, can more than one or three, also can not arrange, and the quantity of the projection of shell fragment terminal is less than or equal to the quantity of the second notch.
This present invention is described above by execution mode, but, the present invention is not limited thereto, without departing from the scope of spirit of the present invention, can various distortion be carried out.
Claims (11)
1. an electronic installation, there is terminal board, this terminal board has pedestal, screw, the fixed component of hold-down screw, shell fragment terminal, this shell fragment terminal has conductivity and has the through hole for making described screw pass, and this shell fragment terminal arrangement is between the head and described fixed component of described screw, it is characterized in that, this fixed component has at least one claw, and this claw and described pedestal fasten.
2. electronic installation as claimed in claim 1, is characterized in that,
Described fixed component has the flange of ring-type arranging female first cylindrical portion at inner surface and arrange in one end of this first cylindrical portion, and described flange is provided with the hook-shaped described claw that another side to this first cylindrical portion extends.
3. electronic installation as claimed in claim 2, is characterized in that,
The flange of described fixed component is provided with at least one first otch,
This shell fragment terminal has projection, and described projection is inserted in described first otch that arranges on described flange.
4. electronic installation as claimed in claim 2, is characterized in that,
Described pedestal is formed with recess, and the base plate of this recess is formed with the through hole of incised notch portion and toroidal,
Described first cylindrical portion of described fixed component is inserted in described through hole, the flange of described fixed component is placed on the upper surface of the base plate of described recess, described claw is inserted in this incised notch portion, and described claw is engaged with described pedestal by the rotation of described fixed component.
5. electronic installation as claimed in claim 4, is characterized in that,
Coaxial and be integrally formed with the second cylindrical portion with this base plate with described through hole on the lower surface of the base plate of described recess, the outer peripheral face of this second cylindrical portion is formed the arm of at least one cantilever beam-like,
The upper surface of the described base plate side of this arm is provided with and the projection of strain namely can guides stop part,
This guiding stop part has and to extend from the upper surface of the described arm front end raised to this and the plane parallel with the central shaft of described second cylindrical portion and to extend from the front end that the upper surface of this arm is raised to this and gradually near the inclined plane of described plane,
When described fixed component rotates, described claw is in the progressive direction of advance in side engaged with described pedestal, and it is closer to the front that described plane compares described inclined plane,
Described inclined plane guides the advance of described claw when described claw is advanced to the direction engaged with described pedestal by the rotation of described fixed component, described plane stops that described claw moves to the direction contrary with described direction of advance after described claw and described pedestal engage.
6. electronic installation as claimed in claim 5, is characterized in that,
Described claw is being the inclined plane that the front end that extends to described another side and the position in the front of described direction of advance have that the inclined plane along described guiding stop part tilts, when described claw is advanced to the direction engaged with described pedestal by the rotation of described fixed component, the inclined plane of described claw is guided by the inclined plane of described guiding stop part.
7. electronic installation as claimed in claim 5, is characterized in that,
The internal diameter of described through hole is greater than the internal diameter of described second cylindrical portion.
8. electronic installation as claimed in claim 5, is characterized in that,
Described claw is stuck on the lower surface of the base plate of described recess.
9. electronic installation as claimed in claim 5, is characterized in that,
In opposite directions two positions of described second cylindrical portion are respectively equipped with described arm, and are respectively arranged with described guiding stop part on each described arms,
In opposite directions two positions of the flange of described fixed component are respectively arranged with hook-shaped described claw.
10. the electronic installation according to any one of claim 2 to 9, is characterized in that,
On the described flange of described fixed component, relative to the position being provided with described claw, when described fixed component rotates, described claw is provided with the second otch to progressive direction of advance side, the side engaged with described pedestal, there is round shape outer edge surface in the outer rim of described flange and rotate fixing outer edge surface, this round shape outer edge surface is apart from the constant distance of the central shaft of described flange, the distance of outer edge surface apart from this central shaft is fixed in this rotation, along with gradually more elongated apart from the distance of this central shaft than described round shape outer edge surface close to described second otch
When described claw engages with pedestal, the sidewall that outer edge surface and described recess are fixed in this rotation engages.
11. electronic installations as claimed in any one of claims 1-9 wherein, is characterized in that,
Described fixed component is made of metal.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410051682.9A CN104852192A (en) | 2014-02-14 | 2014-02-14 | Electronic device |
| KR1020140169630A KR101659669B1 (en) | 2014-02-14 | 2014-12-01 | Electron device |
| TW103142084A TWI575825B (en) | 2014-02-14 | 2014-12-04 | Electronic device |
| JP2015025340A JP6369346B2 (en) | 2014-02-14 | 2015-02-12 | Electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410051682.9A CN104852192A (en) | 2014-02-14 | 2014-02-14 | Electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104852192A true CN104852192A (en) | 2015-08-19 |
Family
ID=53851646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410051682.9A Pending CN104852192A (en) | 2014-02-14 | 2014-02-14 | Electronic device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6369346B2 (en) |
| KR (1) | KR101659669B1 (en) |
| CN (1) | CN104852192A (en) |
| TW (1) | TWI575825B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107508052A (en) * | 2017-08-21 | 2017-12-22 | 上海合璧电子电器有限公司 | A kind of junction block |
| CN109922638A (en) * | 2019-01-22 | 2019-06-21 | 奇鋐科技股份有限公司 | Base stand location element |
| US11313396B2 (en) | 2019-01-22 | 2022-04-26 | Asia Vital Components Co., Ltd. | Base fastener |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7037469B2 (en) | 2018-11-05 | 2022-03-16 | 松川精密股▲ふん▼有限公司 | Micro relay |
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- 2014-12-04 TW TW103142084A patent/TWI575825B/en not_active IP Right Cessation
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| US11313396B2 (en) | 2019-01-22 | 2022-04-26 | Asia Vital Components Co., Ltd. | Base fastener |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201541769A (en) | 2015-11-01 |
| TWI575825B (en) | 2017-03-21 |
| KR20150096306A (en) | 2015-08-24 |
| JP6369346B2 (en) | 2018-08-08 |
| JP2015153755A (en) | 2015-08-24 |
| KR101659669B1 (en) | 2016-09-26 |
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Application publication date: 20150819 |
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