EP1357640B1 - Electric wire connecting connector - Google Patents
Electric wire connecting connector Download PDFInfo
- Publication number
- EP1357640B1 EP1357640B1 EP03007060.1A EP03007060A EP1357640B1 EP 1357640 B1 EP1357640 B1 EP 1357640B1 EP 03007060 A EP03007060 A EP 03007060A EP 1357640 B1 EP1357640 B1 EP 1357640B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- operation lever
- electric wire
- housing
- connecting connector
- cover
- 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.)
- Expired - Lifetime
Links
- 239000002184 metal Substances 0.000 claims description 27
- 238000003780 insertion Methods 0.000 claims description 20
- 230000037431 insertion Effects 0.000 claims description 20
- 230000009191 jumping Effects 0.000 claims description 7
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 238000005192 partition Methods 0.000 description 4
- 244000208734 Pisonia aculeata Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/50—Bases; Cases formed as an integral body
- H01R13/501—Bases; Cases formed as an integral body comprising an integral hinge or a frangible part
-
- 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
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
- H01R4/4833—Sliding arrangements, e.g. sliding button
-
- 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
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/484—Spring housing details
-
- 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
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
- H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
- H01R4/4821—Single-blade spring
Definitions
- the present invention relates to an electric wire connecting connector, and particularly to an electric wire connecting connector for electrical connection by holding an electric wire tightly by use of a connection metal fitting and a plate spring pressed against this.
- the relay connector is provided with electric wire fixing mechanisms including housings 5 and 19, terminal metal fittings 7 and 21, plate springs 9 and 23, and release buttons 11 and 25, respectively. Then, for example, the release button 11 is pressed into the housing 5 to elastically deform the plate spring 9, and then, an electric wire 31 is inserted in the housing 5. Next, the release button 11 is pulled back to elastically return the plate spring 9, so that the electric wire 31 is pressed and held tightly by the terminal metal fitting 7 and the plate spring 9 and the electrical wire connection is completed.
- the release buttons 11 and 25 are respectively exposed from the housing 5.
- the release buttons 11 and 25 are respectively exposed from the housing 5.
- the release buttons 11 and 25 are pressed in to bring about an open state, while the release buttons 11 and 25 are pulled back to bring about a wire connection state.
- the pressing operation and the pullback operation it is necessary to perform two different kinds of operations, that is, the pressing operation and the pullback operation, and the workability is poor.
- the release button is returned, a pullback force higher than a pressing force necessary for pressing the release buttons 11 and 25 is required, and there is a problem that the workability is worse.
- the present invention has an object to provide an electric wire connecting connector which does not make an incorrect operation and has excellent workability.
- the electric wire connecting connector of the invention is structured such that a cover is fitted to the housing to house a head part of the operation lever, an opening operation hole through which the head part of the operation lever positioned in the wire connection state can be pressed in the axial direction is provided in the cover, and a connecting operation hole through which the head part of the operation lever positioned in the open state can be operated is provided between the housing and the cover.
- the whole operation lever is housed in the housing and the cover.
- the processing can be performed by one kind of operation, that is, pressing the rod, so that the workability is improved.
- the operation lever is operated to bring about the open state and the wire connection state, the pressing forces are practically equal to each other and the workability is further improved.
- a stopper for preventing the operation lever pulled out of the housing from fall off may be provided in the cover.
- the stopper prevents damage of the operation lever in the case where the operation lever is forcibly pulled out.
- a stopper coming in contact with an end face of the head part of the operation lever jumping out of the housing may be provided at an opening edge of the opening operation hole of the cover.
- Another electric wire connecting connector of the invention includes an electric wire connecting connector body in which a substantially L-shaped operation lever is inserted and pushed in an axial direction through an insertion hole provided in a housing, a substantially V-shaped plate spring incorporated in the housing is elastically deformed to form a gap between a connection metal fitting incorporated in the housing and the plate spring and to bring about an open state, and then, an electric wire is positioned in the gap, next, the operation lever is pulled back to elastically return the plate spring, and the electric wire is held tightly by the connection metal fitting and the plate spring to bring about a wire connection state, and a first and a second outside covers rotatably attached to the electric wire connecting connector body and housing the electric wire connecting connector body in a space formed by combining them, wherein a protrusion to be inserted between a side surface of the housing and a head part of the operation lever positioned in the open state so as to operate the operation lever is provided on the first outside cover.
- the electric wire connecting connector of this invention even if the operation lever protrudes from the housing of the electric wire connecting connector body, since it is covered and housed by the first and the second outside covers, an obstacle does not happen to collide from the outside and an incorrect operation can be prevented.
- the protrusion provided on the first outside cover operates the head part of the operation lever positioned in the open state.
- the operation lever can be automatically brought into the wire connection state by merely turning the first outside cover to fit it to the electric wire connecting connector body, and the operation lever can be operated through one-touch operation.
- plural operation levers are provided side by side, the workability can be remarkably improved.
- a stopper coming in contact with an end face of the operation lever jumping out of the electric wire connecting connector body may be provided on the first outside cover.
- the first and the second outside covers may be provided with a magnetic shield function.
- the first and the second outside covers can prevent not only an incorrect operation of the electric wire connecting connector, but also an influence of outer disturbance by means of the magnetic shield.
- a first embodiment of the invention relates to a case where it is applied to an electric wire connecting connector 10.
- connection metal fittings 30, plate springs 40 and operation levers 60 are incorporated in an internal space formed by fitting a cover 70 to a housing 11 composed of a case 20 and a base 50.
- reference numeral 12 designates a lock lever.
- the case 20 is a resin molded part having a recess 21 which is provided at one side of an upper surface thereof and to which the base 50 and the cover 70 described later can be fitted.
- Guide grooves 24 and 24 are respectively formed on the inner surfaces of arm parts 22 and 23 at both sides of the case 20, and engaging recesses 24a and 24b are respectively formed in the guide grooves 24.
- the engaging recesses 24a and 24b are for positioning the case 50 and the cover 70 described later.
- plural positioning grooves 25 are provided side by side on the bottom of the recess 21 positioned between the arm parts 22 and 23.
- a fitting opening part 26 into which pin terminals 31 of the connection metal fittings 30 described later protrude is formed on a one-side end face of the case 20 ( Fig. 3 ).
- connection metal fittings 30 is made of a metal plate punched by presswork, and the pin terminal 31 protrudes laterally from a one-side edge part thereof. Further, an upper and a lower edges of the connection metal fitting 30 are respectively subjected to bending, so that an upper bent piece 32 and a lower bent piece 33 are formed. A positioning hole 34 for positioning the plate spring 40 described later is provided in the lower bent piece 33 ( Fig. 3 ).
- the plate spring 40 is formed by bending a band-like spring member to have a substantially V-shaped form, and a first bent part 43, a second bent part 44 and a pressing tongue part 45 are sequentially formed in a relay holding part 42 continuous with a bent part 41. Further, a positioning protrusion 47 engaging with the positioning hole 34 of the connection metal fitting 30 is formed on a bottom 46 of the plate spring 40 by protrusion working.
- the positioning protrusion 47 of the plate spring 40 is engaged with the positioning hole 34 of the connection metal fitting 30, so that the pressing tongue part 45 comes in press contact with the lower surface edge part of the upper bent piece 32.
- the lower bent piece 33 of the connection metal fitting 30 is positioned and fitted to each of the plural positioning grooves 25 provided side by side on the bottom of the case 20, so that the pin terminal 31 protrudes into the fitting opening 26 of the case 20 ( Fig. 3 ).
- the base 50 has such a shape that it can be fitted to the recess 21 of the case 20, and is made of a transparent resin material. Especially, guide stepped parts 51 and 51 are formed on opposite side surfaces of the base 50 at both sides, and engaging protrusions 52 are protruded from the guide stepped parts 51. Further, electric wire insertion holes 53 and operation lever insertion holes 54 are formed up and down in a one-side end face of opposite both-side surfaces of the base 50. Further, a partition wall 55 for partitioning space communicating with the electric wire insertion holes 53 and the operation lever insertion holes 54 is formed in the inside of the base 50.
- the base 50 is inserted between the arm parts 22 and 23 of the case 20, the stepped parts 51 and 51 of the base 50 are fitted in the guide grooves 24 and 24 of the arm parts 22 and 23 and is slid, and the protrusions 52 of the base 50 are engaged with the recesses 24a of the arm parts 22 and 23 to prevent the base 50 from coming out.
- the operation lever 60 has a substantially L-shaped form in front, and a radius surface 62 is formed at a lower surface end edge part of an axial part 61 thereof, while an operation groove 64 is formed on an outward surface of a head part 63 thereof.
- the cover 70 has such a shape that it can be slid and inserted between the both-side arm parts 22 and 23 of the case 20, and guide stepped parts 71 and 71 are formed on opposite side surfaces at both sides thereof.
- An engaging protrusion 72 is protruded on the guide stepped part 71.
- a one-side end face of both-side end faces of the cover 70 has such a shape that it can be coupled to the cover 50 laterally, and electric wire insertion holes 73 and opening operation holes 74 are provided up and down on the remaining one-side end face.
- a stopper 75 for preventing the operation lever 60 from jumping out is formed at an opening edge part of each of the operation holes 74.
- a notch part 76a is provided at a bottom edge part of the cover 70. This notch part 76a and the one-side end face of the case 50 can form a connecting long hole 76 which communicates with the opening operation hole 74 and through which the head part 63 of the operation lever 60 can be operated.
- the cover 70 is inserted between the arm parts 22 and 23 of the case 20, the stepped parts 71 of the cover 70 are fitted in the guide grooves 24 and 24 of the arm parts 22 and 23 and are slid, and the protrusions 72 and 72 of the cover 70 are engaged with the recesses 24b and 24b of the arm parts 22 and 23.
- the electric wire insertion hole 73 communicates with the electric wire insertion hole 53 of the base 50.
- the head part 63 of the operation lever 60 can be seen through the opening operation hole 74 of the cover 70.
- the connecting long hole 76 is formed of the notch part 76a and the one-side end face of the case 50. Then, the axial part 61 of the operation lever 60 can be seen through the connecting long hole 76 ( Fig. 4A ).
- an electric wire 100 is inserted through the electric wire insertion hole 73 of the cover 70, and a core wire 101 is positioned between the upper bent piece 32 of the connection metal fitting 30 and the end edge part of the pressing tongue part 45.
- the base 50 is formed of the transparent resin material, it is possible, from the outside of the base 50, to see whether the core wire 101 of the electric wire 100 is disposed at a predetermined position, and there is a merit that the workability of the connecting operation can be improved.
- the operation lever 60 is about to jump out to the outside by the spring force of the plate spring 40, the head part 63 of the operation lever 60 collides with the stopper 75 of the cover 70 and is locked. Especially, when the head part 63 of the operation lever 60 collides with the stopper 75 of the cover 70, the collision sound is produced, and the operation of the operation lever 60 can be confirmed by the collision sound. Besides, in case noticeable painting of orange or the like is applied to an inner surface of the head part 63 of the operation lever 60, the confirmation is further facilitated.
- the opening operation and the connecting operation can be performed by one kind of pressing operation, and the workability is high.
- the head part 63 of the operation lever 60 can be clearly seen through the opening operation hole 74 of the cover 70, while the head part 63 of the operation lever 60 can not be seen through the connecting long hole 76.
- the position of the operation lever 60 is in the open state, although the head part 63 of the operation lever 60 is hard to see through the opening operation hole 74 of the cover 70, the head part 63 of the operation lever 60 can be clearly seen through the connecting long hole 76.
- the wire connection state or the open state can be confirmed by seeing the position of the operation lever 60 in two directions, which is convenient.
- the head parts 63 of the plural operation levers 60 can be seen through the connecting long hole 76.
- the plural operation levers 60 can be operated at once when a wide operation rod is inserted in the connecting long hole 76, and the workability is further improved.
- a second embodiment is such that an electric wire connecting connector body 13 is housed in a first outside cover 80 and a second outside cover 90.
- both-side arm parts 22 and 23 of a case 20 of the second embodiment are shorter than the both-side arm parts 22 and 23 of the case 20 of the first embodiment.
- head parts 63 of the operation levers 60 protrude from the outside surface of the base 50.
- the first and the second outside covers 80 and 90 have such shapes that they can cover the electric wire connecting connector body 13 from above and below. Especially, an operating projection 81 for operating the head part 63 of the operation lever 60 to slide it, and a stopper 82 for preventing the operation lever 60 from jumping out are formed on the bottom of the first outside cover 80.
- the first and the second outside covers 80 and 90 are rotatably supported such that axial holes 83 and 91 are respectively engaged with axial parts 20a and 20b provided to protrude from both-side edge parts of the case 20.
- axial holes 83 and 91 are respectively engaged with axial parts 20a and 20b provided to protrude from both-side edge parts of the case 20.
- a not-shown electric wire is inserted through an electric wire insertion hole 53, and its core wire is positioned between the lower surface edge part of the upper bent piece 32 and the pressing tongue part 45.
- base 50 is made of a transparent material, the position of the core wire can be seen.
- the first outside cover 80 is turned to be fitted to the electric wire connecting connector body 13, so that the projection 81 of the first cover 80 is inserted between the base 50 and the head part 63 of the operation lever 60.
- the operation lever 60 is slightly pushed outward and after slide movement, the operation lever 60 is instantaneously pushed out by the spring force of the plate spring 40.
- the head part 63 of the operation lever 60 collides with the stopper 82 of the first outside cover 80 to prevent the operation lever 60 from jumping out.
- the operation lever 60 emits a collision sound, and the operation of the operation lever 60 can be confirmed by the collision sound.
- the second outside cover 90 is turned to be fitted to the first outside cover 80, and the engaging pawls 84 and 92 are respectively engaged with the engaging holes 93 and 84, so that the connecting operation of the electric wire is ended.
- an open state can be produced by respectively pressing the head parts 63 of the operation levers 60 protruding from the insertion holes 54, but also the open state can be produced by pressing the plural operation levers 60 by a wide operation rod at the same time.
- the first outside cover 80 is fitted to the electric wire connecting connector body 13, so that the projection 81 of the first outside cover 80 drives the head parts 63 of the plural operation levers 60 at the same time to bring about the wire connection state.
- the first outside cover 80 is fitted to the electric wire connecting connector body 13, and after the operation levers 60 are brought into the wire connection states at once, the second outside cover 90 can be fitted to the electric wire connecting connector body 13.
- the second outside cover 90 can be fitted after the wire connection states of all the electric wires are confirmed, it is possible to prevent defective wire connection from occurring.
- first and the second outside covers 80 and 90 of the second embodiment may be formed by performing press working to metal plates so as to enable magnetic shielding, or may be formed by applying metal plating to resin molded parts.
- first and the second outside covers 80 and 90 for magnetic shielding may be formed by combining metal plates formed by press working and resin molded parts.
- connection metal fitting 30 includes the pin terminal 31
- the invention may be applied to a connection metal fitting including a socket terminal.
- the whole operation lever is housed in the housing and the cover.
- an obstacle does not happen to collide from the outside, and an incorrect operation can be prevented.
- the processing can be performed by one kind of operation of pushing the operation rod, the workability is improved.
- the pressing forces are practically equal to each other, and there is an effect that the workability is further improved.
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Multi-Conductor Connections (AREA)
Description
- The present invention relates to an electric wire connecting connector, and particularly to an electric wire connecting connector for electrical connection by holding an electric wire tightly by use of a connection metal fitting and a plate spring pressed against this.
- Conventionally, as an electric wire connecting connector, for example, there is a relay connector disclosed in
JP-A-10-12294 - That is, the relay connector is provided with electric wire fixing mechanisms including housings 5 and 19,
terminal metal fittings 7 and 21,plate springs 9 and 23, andrelease buttons release button 11 is pressed into the housing 5 to elastically deform the plate spring 9, and then, anelectric wire 31 is inserted in the housing 5. Next, therelease button 11 is pulled back to elastically return the plate spring 9, so that theelectric wire 31 is pressed and held tightly by the terminal metal fitting 7 and the plate spring 9 and the electrical wire connection is completed. - However, in the foregoing relay connector, the
release buttons release buttons electric wire 31 falls off. - Besides, in the foregoing relay connector, the
release buttons release buttons electric wire 31, it is necessary to perform two different kinds of operations, that is, the pressing operation and the pullback operation, and the workability is poor. Especially, in the case where the release button is returned, a pullback force higher than a pressing force necessary for pressing therelease buttons - In view of the foregoing problems, the present invention has an object to provide an electric wire connecting connector which does not make an incorrect operation and has excellent workability.
- In order to achieve the above object, in an electric wire connecting connector in which a substantially L-shaped operation lever is inserted and pushed in an axial direction through an insertion hole provided in a housing, a substantially V-shaped plate spring incorporated in the housing is elastically deformed to form a gap between a connection metal fitting incorporated in the housing and the plate spring and to bring about an open state, and then, an electric wire is positioned in the gap, next, the operation lever is pulled back to elastically return the plate spring, and the electric wire is held tightly by the connection metal fitting and the plate spring to bring about a wire connection state, the electric wire connecting connector of the invention is structured such that a cover is fitted to the housing to house a head part of the operation lever, an opening operation hole through which the head part of the operation lever positioned in the wire connection state can be pressed in the axial direction is provided in the cover, and a connecting operation hole through which the head part of the operation lever positioned in the open state can be operated is provided between the housing and the cover.
- According to this invention, the whole operation lever is housed in the housing and the cover. Thus, an obstacle does not happen to collide from the outside, and an incorrect operation can be prevented. Besides, in any case where the operation lever is operated to bring about the open state and the wire connection state, the processing can be performed by one kind of operation, that is, pressing the rod, so that the workability is improved. Especially, in any case where the operation lever is operated to bring about the open state and the wire connection state, the pressing forces are practically equal to each other and the workability is further improved.
- As an example of this invention, a stopper for preventing the operation lever pulled out of the housing from fall off may be provided in the cover.
- According to this example, the stopper prevents damage of the operation lever in the case where the operation lever is forcibly pulled out.
- As another example of this invention, a stopper coming in contact with an end face of the head part of the operation lever jumping out of the housing may be provided at an opening edge of the opening operation hole of the cover.
- According to this example, by a collision sound of the operation lever coming in contact with the stopper, it is possible to confirm whether or not the operation lever becomes in the wire connection state, and the workability is improved.
- Another electric wire connecting connector of the invention includes an electric wire connecting connector body in which a substantially L-shaped operation lever is inserted and pushed in an axial direction through an insertion hole provided in a housing, a substantially V-shaped plate spring incorporated in the housing is elastically deformed to form a gap between a connection metal fitting incorporated in the housing and the plate spring and to bring about an open state, and then, an electric wire is positioned in the gap, next, the operation lever is pulled back to elastically return the plate spring, and the electric wire is held tightly by the connection metal fitting and the plate spring to bring about a wire connection state, and a first and a second outside covers rotatably attached to the electric wire connecting connector body and housing the electric wire connecting connector body in a space formed by combining them, wherein a protrusion to be inserted between a side surface of the housing and a head part of the operation lever positioned in the open state so as to operate the operation lever is provided on the first outside cover.
- According to the electric wire connecting connector of this invention, even if the operation lever protrudes from the housing of the electric wire connecting connector body, since it is covered and housed by the first and the second outside covers, an obstacle does not happen to collide from the outside and an incorrect operation can be prevented.
- Besides, the protrusion provided on the first outside cover operates the head part of the operation lever positioned in the open state. Thus, the operation lever can be automatically brought into the wire connection state by merely turning the first outside cover to fit it to the electric wire connecting connector body, and the operation lever can be operated through one-touch operation. Thus, in the case where plural operation levers are provided side by side, the workability can be remarkably improved.
- As an example of this invention, a stopper coming in contact with an end face of the operation lever jumping out of the electric wire connecting connector body may be provided on the first outside cover.
- According to this example, it is possible not only to prevent the operation lever from fall off, but also to confirm that the operation lever is in the wire connection state by a collision sound between the operation lever and the stopper of the first outside cover, and the workability is improved.
- As another example of this invention, the first and the second outside covers may be provided with a magnetic shield function.
- According to this example, there are effects that the first and the second outside covers can prevent not only an incorrect operation of the electric wire connecting connector, but also an influence of outer disturbance by means of the magnetic shield.
-
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Fig. 1 is a perspective view showing a first embodiment of an electric wire connecting connector of the invention; -
Fig. 2 is an exploded perspective view ofFig. 1 ; -
Figs. 3A and 3B are sectional views of the electric wire connecting connector shown inFig. 1 before and after an operation; -
Figs. 4A and 4B are perspective views of the electric wire connecting connector shown inFig. 1 before and after the operation; -
Fig. 5 shows a second embodiment of an electric wire connecting connector of the invention, in whichFig. 5A is a perspective view showing the whole andFig. 5B is a perspective view showing a state where an outside cover is opened; -
Fig. 6 is an exploded perspective view ofFig. 5 ; -
Figs. 7A and 7B are sectional views showing the electric wire connecting connector shown inFig. 5 in the middle of an operation; and -
Figs. 8A and 8B are sectional views showing the electric wire connecting connector shown inFig. 5 in the middle of the operation. - Embodiments of the present invention will be described with reference to the accompanying drawings of
Figs. 1 to 8 . - As shown in
Figs. 1 to 4 , a first embodiment of the invention relates to a case where it is applied to an electricwire connecting connector 10. - The electric
wire connecting connector 10 is such that as shown inFig. 2 ,connection metal fittings 30,plate springs 40 andoperation levers 60 are incorporated in an internal space formed by fitting acover 70 to ahousing 11 composed of acase 20 and abase 50. Incidentally,reference numeral 12 designates a lock lever. - The
case 20 is a resin molded part having arecess 21 which is provided at one side of an upper surface thereof and to which thebase 50 and thecover 70 described later can be fitted.Guide grooves arm parts case 20, andengaging recesses guide grooves 24. Theengaging recesses case 50 and thecover 70 described later. Further,plural positioning grooves 25 are provided side by side on the bottom of therecess 21 positioned between thearm parts part 26 into whichpin terminals 31 of theconnection metal fittings 30 described later protrude is formed on a one-side end face of the case 20 (Fig. 3 ). - Each of the
connection metal fittings 30 is made of a metal plate punched by presswork, and thepin terminal 31 protrudes laterally from a one-side edge part thereof. Further, an upper and a lower edges of the connection metal fitting 30 are respectively subjected to bending, so that anupper bent piece 32 and alower bent piece 33 are formed. Apositioning hole 34 for positioning theplate spring 40 described later is provided in the lower bent piece 33 (Fig. 3 ). - As shown in
Fig. 3 , theplate spring 40 is formed by bending a band-like spring member to have a substantially V-shaped form, and afirst bent part 43, asecond bent part 44 and apressing tongue part 45 are sequentially formed in arelay holding part 42 continuous with abent part 41. Further, apositioning protrusion 47 engaging with thepositioning hole 34 of the connection metal fitting 30 is formed on abottom 46 of theplate spring 40 by protrusion working. - The
positioning protrusion 47 of theplate spring 40 is engaged with thepositioning hole 34 of the connection metal fitting 30, so that thepressing tongue part 45 comes in press contact with the lower surface edge part of theupper bent piece 32. Next, thelower bent piece 33 of theconnection metal fitting 30 is positioned and fitted to each of theplural positioning grooves 25 provided side by side on the bottom of thecase 20, so that thepin terminal 31 protrudes into thefitting opening 26 of the case 20 (Fig. 3 ). - The
base 50 has such a shape that it can be fitted to therecess 21 of thecase 20, and is made of a transparent resin material. Especially, guide steppedparts base 50 at both sides, andengaging protrusions 52 are protruded from the guide steppedparts 51. Further, electric wire insertion holes 53 and operation lever insertion holes 54 are formed up and down in a one-side end face of opposite both-side surfaces of thebase 50. Further, apartition wall 55 for partitioning space communicating with the electric wire insertion holes 53 and the operation lever insertion holes 54 is formed in the inside of thebase 50. - Then, the
base 50 is inserted between thearm parts case 20, the steppedparts guide grooves arm parts protrusions 52 of the base 50 are engaged with therecesses 24a of thearm parts - The
operation lever 60 has a substantially L-shaped form in front, and aradius surface 62 is formed at a lower surface end edge part of anaxial part 61 thereof, while anoperation groove 64 is formed on an outward surface of ahead part 63 thereof. - Then, when the
axial part 61 of theoperation lever 60 is inserted in theinsertion hole 54 of thebase 50 and is pushed in, the end part of theaxial part 61 is brought into press contact and is held tightly between thepartition wall 55 of thebase 50 and therelay holding part 42 of theplate spring 40. - The
cover 70 has such a shape that it can be slid and inserted between the both-side arm parts case 20, and guide steppedparts protrusion 72 is protruded on the guide steppedpart 71. Further, a one-side end face of both-side end faces of thecover 70 has such a shape that it can be coupled to thecover 50 laterally, and electric wire insertion holes 73 and opening operation holes 74 are provided up and down on the remaining one-side end face. Astopper 75 for preventing theoperation lever 60 from jumping out is formed at an opening edge part of each of the operation holes 74. Further, anotch part 76a is provided at a bottom edge part of thecover 70. Thisnotch part 76a and the one-side end face of thecase 50 can form a connectinglong hole 76 which communicates with theopening operation hole 74 and through which thehead part 63 of theoperation lever 60 can be operated. - Then, the
cover 70 is inserted between thearm parts case 20, the steppedparts 71 of thecover 70 are fitted in theguide grooves arm parts protrusions cover 70 are engaged with therecesses arm parts cover 70 from coming out, and the electricwire insertion hole 73 communicates with the electricwire insertion hole 53 of thebase 50. Further, as shown inFig. 3A , thehead part 63 of theoperation lever 60 can be seen through theopening operation hole 74 of thecover 70. Besides, the connectinglong hole 76 is formed of thenotch part 76a and the one-side end face of thecase 50. Then, theaxial part 61 of theoperation lever 60 can be seen through the connecting long hole 76 (Fig. 4A ). - Next, an operation method of the electric wire connecting connector having the foregoing structure will be described.
- First, when the
head part 63 of theoperation lever 60 is pushed in from theopening operation hole 74 by a not-shown operation rod, theradius surface 62 of theaxial part 61 of theoperation lever 60 gets over the firstbent part 43 from therelay hold part 42 of theplate spring 40, and pushes down theplate spring 40. Thus, theaxial part 61 of theoperation lever 60 is held tightly between theplate spring 40 and thepartition wall 55 of thebase 50. As a result, a gap is produced between the free end of thepressing tongue part 45 and the upperbent piece 32 of theconnection metal fitting 30. At this time, thehead part 63 of theoperation lever 60 can be seen through the connectinglong hole 76. According to this embodiment, since substantially the whole upper surface of theaxial part 61 of the pushedoperation lever 60 is in press contact with thepartition wall 55 of thebase 50, there is a merit that theoperation lever 60 is hard to damage. - Next, an
electric wire 100 is inserted through the electricwire insertion hole 73 of thecover 70, and acore wire 101 is positioned between the upperbent piece 32 of the connection metal fitting 30 and the end edge part of thepressing tongue part 45. According to this embodiment, since thebase 50 is formed of the transparent resin material, it is possible, from the outside of thebase 50, to see whether thecore wire 101 of theelectric wire 100 is disposed at a predetermined position, and there is a merit that the workability of the connecting operation can be improved. - Then, when an operation rod is pushed in the connecting
long hole 76, after theoperation lever 60 is slightly slid outward, theoperation lever 60 is instantaneously pushed out by the spring force of the elastically returnedplate spring 40. Thus, thehead part 63 of theoperation lever 60 collides with thestopper 75 to emit a collision sound. As a result, theplate spring 40 is elastically returned, and the upperbent piece 32 of the connection metal fitting 30 and thepressing tongue part 45 of theplate spring 40 hold thecore wire 101 of theelectric wire 100 tightly so that the wire connection state is obtained. - In this embodiment, although the
operation lever 60 is about to jump out to the outside by the spring force of theplate spring 40, thehead part 63 of theoperation lever 60 collides with thestopper 75 of thecover 70 and is locked. Especially, when thehead part 63 of theoperation lever 60 collides with thestopper 75 of thecover 70, the collision sound is produced, and the operation of theoperation lever 60 can be confirmed by the collision sound. Besides, in case noticeable painting of orange or the like is applied to an inner surface of thehead part 63 of theoperation lever 60, the confirmation is further facilitated. - According to this embodiment, the opening operation and the connecting operation can be performed by one kind of pressing operation, and the workability is high.
- Besides, in the case where the position of the
operation lever 60 is in the wire connection state, thehead part 63 of theoperation lever 60 can be clearly seen through theopening operation hole 74 of thecover 70, while thehead part 63 of theoperation lever 60 can not be seen through the connectinglong hole 76. Further, in the case where the position of theoperation lever 60 is in the open state, although thehead part 63 of theoperation lever 60 is hard to see through theopening operation hole 74 of thecover 70, thehead part 63 of theoperation lever 60 can be clearly seen through the connectinglong hole 76. As stated above, according to this embodiment, the wire connection state or the open state can be confirmed by seeing the position of theoperation lever 60 in two directions, which is convenient. - Further, according to this embodiment, the
head parts 63 of the plural operation levers 60 can be seen through the connectinglong hole 76. Thus, not only the operation levers 60 can be selected and operated one by one, but also the plural operation levers 60 can be operated at once when a wide operation rod is inserted in the connectinglong hole 76, and the workability is further improved. - As shown in
Figs. 5 to 8 , a second embodiment is such that an electric wire connectingconnector body 13 is housed in a firstoutside cover 80 and a secondoutside cover 90. - As shown in
Fig. 6 , the electric wire connectingconnector body 13 is almost similar to the first embodiment, and a significantly different point is that thecover 70 in the first embodiment is not provided. Thus, both-side arm parts case 20 of the second embodiment are shorter than the both-side arm parts case 20 of the first embodiment. As a result, whenaxial parts 61 of operation levers 60 are respectively inserted in insertion holes 54 of abase 50,head parts 63 of the operation levers 60 protrude from the outside surface of thebase 50. Incidentally, the same portions as the first embodiment are designated by the same reference numerals and their description will be omitted. - The first and the second outside covers 80 and 90 have such shapes that they can cover the electric wire connecting
connector body 13 from above and below. Especially, an operatingprojection 81 for operating thehead part 63 of theoperation lever 60 to slide it, and astopper 82 for preventing theoperation lever 60 from jumping out are formed on the bottom of the firstoutside cover 80. - The first and the second outside covers 80 and 90 are rotatably supported such that
axial holes axial parts case 20. Thus, when the first and the second outside covers 80 and 90 are turned, and engagingpawls holes connector body 13 is covered, and electric wire insertion holes 14 and 15 are formed (Fig. 5 ). - Next, an operation method of the electric wire connecting connector of the second embodiment will be described.
- First, in the case where an electric wire (not shown) is connected, as shown in
Fig. 7A , the first and the second outside covers 80 and 90 are opened. Then, the protrudinghead parts 63 of the respective operation levers 60 are pushed in thebase 50 by a not-shown operation rod, and firstbent parts 43 are pushed down byaxial parts 61 of the operation levers 60. As a result, plate springs 40 are elastically deformed andpressing tongue pieces 45 are pushed down, so that a gap is formed between a lower surface edge part of an upperbent piece 32 and the pressing tongue part 45 (Fig. 7B ). Next, a not-shown electric wire is inserted through an electricwire insertion hole 53, and its core wire is positioned between the lower surface edge part of the upperbent piece 32 and thepressing tongue part 45. At this time, sincebase 50 is made of a transparent material, the position of the core wire can be seen. - Then, the first
outside cover 80 is turned to be fitted to the electric wire connectingconnector body 13, so that theprojection 81 of thefirst cover 80 is inserted between the base 50 and thehead part 63 of theoperation lever 60. Thus, theoperation lever 60 is slightly pushed outward and after slide movement, theoperation lever 60 is instantaneously pushed out by the spring force of theplate spring 40. However, thehead part 63 of theoperation lever 60 collides with thestopper 82 of the firstoutside cover 80 to prevent theoperation lever 60 from jumping out. At this time, theoperation lever 60 emits a collision sound, and the operation of theoperation lever 60 can be confirmed by the collision sound. - Next, the second
outside cover 90 is turned to be fitted to the firstoutside cover 80, and the engaging pawls 84 and 92 are respectively engaged with the engagingholes - According to this embodiment, not only an open state can be produced by respectively pressing the
head parts 63 of the operation levers 60 protruding from the insertion holes 54, but also the open state can be produced by pressing the plural operation levers 60 by a wide operation rod at the same time. Further, the firstoutside cover 80 is fitted to the electric wire connectingconnector body 13, so that theprojection 81 of the firstoutside cover 80 drives thehead parts 63 of the plural operation levers 60 at the same time to bring about the wire connection state. Thus, the connecting operation of plural electric wires can be performed through one-touch operation, and there is a merit that the workability is remarkably improved. - Besides, the first
outside cover 80 is fitted to the electric wire connectingconnector body 13, and after the operation levers 60 are brought into the wire connection states at once, the secondoutside cover 90 can be fitted to the electric wire connectingconnector body 13. Thus, since the secondoutside cover 90 can be fitted after the wire connection states of all the electric wires are confirmed, it is possible to prevent defective wire connection from occurring. - Incidentally, the first and the second outside covers 80 and 90 of the second embodiment may be formed by performing press working to metal plates so as to enable magnetic shielding, or may be formed by applying metal plating to resin molded parts. Besides, the first and the second outside covers 80 and 90 for magnetic shielding may be formed by combining metal plates formed by press working and resin molded parts.
- Besides, in the foregoing embodiment, although the description has been given of the case where the connection metal fitting 30 includes the
pin terminal 31, the invention may be applied to a connection metal fitting including a socket terminal. - According to the present invention, the whole operation lever is housed in the housing and the cover. Thus, an obstacle does not happen to collide from the outside, and an incorrect operation can be prevented. Besides, in any case where the operation lever is operated to bring about the open state and the wire connection state, the processing can be performed by one kind of operation of pushing the operation rod, the workability is improved. Especially, in any case where the operation lever is operated to bring about the open state and the wire connection state, the pressing forces are practically equal to each other, and there is an effect that the workability is further improved.
Claims (6)
- An electric wire connecting connector comprising:a L-shaped operation lever (60) which can be pushed in an axial direction through an insertion hole (54) provided in a housing (20, 50),a V-shaped plate spring (40) incorporated in the housing (20, 50) which is adapted to be elastically deformed when the operation lever (60) is pushed through the insertion hole (54) such that an open state is brought about, whereina gap between a connection metal fitting (30) incorporated in the housing (20, 50) and the plate spring (40) is formed in the open state, an electric wire being insertable into the gap, whereinthe plate spring (40) is adapted to elastically return, when the operation lever is pulled back, to bring about a wire connection state in which the electric wire is held tightly by the connection metal fitting (30) and the plate spring (40), characterized in thata cover (70) is fitted to the housing (20, 50) to house a head part (63) of the operation lever (60) such that the whole operation lever (60) is housed in the housing (20, 50) and the cover (70),an opening operation hole (74) is provided in the cover (70) through which the head part (63) of the operation lever (60) positioned in the wire connection state can be pressed in the axial direction, anda connecting operation hole (76) through which the head part (63) of the operation lever (60) positioned in the open state can be operated is provided between the housing (20, 50) and the cover (70).
- The electric wire connecting connector according to claim 1, characterized in that a stopper (75) for preventing the operation lever (60) pulled out of the housing from falling off is provided in the cover (70).
- The electric wire connecting connector according to claim 1, characterized in that a stopper (75) coming in contact with an end face of the head part (63) of the operation lever (60) jumping out of the housing (20, 50) is provided at an opening edge part of the opening operation hole (74) of the cover (70).
- An electric wire connecting connector comprising:an electric wire connecting connector body (13) in which a L-shaped operation lever (60) is inserted, wherein the operation lever (60) can be pushed in an axial direction through an insertion hole (54) provided in a housing (20, 50), a V-shaped plate spring incorporated in the housing (20, 50) which is adapted to be elastically deformed when the operation lever (60) is pushed through the insertion hole (54) such that an open state is brought about, whereina gap between a connection metal fitting (30) incorporated in the housing (20, 50) and the plate spring (40) is formed in the open state, an electric wire being insertable into the gap, whereinthe plate spring (40) is adapted to elastically return, when the operation lever is pulled back, to bring about a wire connection state in which the electric wire is held tightly by the connection metal fitting (30) and the plate spring (40) ; anda first and a second outside covers (80, 90) rotatably attached to the electric wire connecting connector body (13) and housing the electric wire connecting connector body (13) as well as the operation lever (60) in a space formed by combining them, characterized in thata protrusion (81) to be inserted between a side surface of the housing (20, 50) and a head part of the operation lever (60) positioned in the open state so as to operate the operation lever (60) is provided on the first outside cover (80).
- The electric wire connecting connector according to claim 4, characterized in that a stopper (82) coming in contact with an end face of the operation lever (60) jumping out of the electric wire connecting connector body (13) is provided on the first outside cover (80).
- The electric wire connecting connector according to claim 4 or 5, characterized in that the first and the second outside covers (80, 90) are provided with a magnetic shield fiunction.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002120956A JP3855833B2 (en) | 2002-04-23 | 2002-04-23 | Wire connection connector |
JP2002120956 | 2002-04-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1357640A2 EP1357640A2 (en) | 2003-10-29 |
EP1357640A3 EP1357640A3 (en) | 2005-12-14 |
EP1357640B1 true EP1357640B1 (en) | 2014-05-07 |
Family
ID=28786769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03007060.1A Expired - Lifetime EP1357640B1 (en) | 2002-04-23 | 2003-03-27 | Electric wire connecting connector |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1357640B1 (en) |
JP (1) | JP3855833B2 (en) |
CN (1) | CN1207818C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016124891A1 (en) * | 2016-12-20 | 2018-06-21 | Phoenix Contact Gmbh & Co. Kg | Terminal system for connecting at least one electrical line |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202004019109U1 (en) * | 2004-12-10 | 2006-04-13 | Weidmüller Interface GmbH & Co. KG | Connecting device for electrical conductors with actuator |
DE202006020822U1 (en) * | 2006-04-19 | 2010-08-05 | Phoenix Contact Gmbh & Co. Kg | Spring terminal |
FR2929455B1 (en) | 2008-03-28 | 2015-04-10 | Schneider Electric Ind Sas | ELECTRICAL EQUIPMENT WITH ANTI-DISCONNECT REMOVABLE DEVICE |
JP5336768B2 (en) * | 2008-05-19 | 2013-11-06 | タイコエレクトロニクスジャパン合同会社 | Terminal cover |
DE102008033325A1 (en) * | 2008-07-16 | 2010-01-21 | Phoenix Contact Gmbh & Co. Kg | Electrical connecting terminal e.g. tension spring clamp, for connecting electrical cable, has housing provided with cable entry opening, and clamping spring swiveled from position to other position during shifting of actuating slide |
DE102008039864B4 (en) * | 2008-08-27 | 2011-01-05 | Wago Verwaltungsgesellschaft Mbh | clamping device |
DE202008014469U1 (en) * | 2008-10-31 | 2010-03-18 | Weidmüller Interface GmbH & Co. KG | Terminal for connecting conductor ends |
JP5942367B2 (en) * | 2011-09-08 | 2016-06-29 | オムロン株式会社 | Conductor connector and relay unit using the same |
DE102013103446A1 (en) | 2013-04-05 | 2014-10-09 | Phoenix Contact Gmbh & Co. Kg | Connector device |
US9397416B2 (en) * | 2014-08-22 | 2016-07-19 | Tyco Electronics Corporation | Electrical connector having poke-in wire contacts |
CN109314324B (en) * | 2016-05-30 | 2021-03-30 | 威德米勒界面有限公司及两合公司 | Spring force terminal for conductor |
DE202016102959U1 (en) * | 2016-06-02 | 2017-09-06 | Weidmüller Interface GmbH & Co. KG | Spring terminal for conductor |
JP6726074B2 (en) * | 2016-09-30 | 2020-07-22 | オムロン株式会社 | Terminal block |
DE102016121967A1 (en) * | 2016-11-16 | 2018-05-30 | Phoenix Contact Gmbh & Co. Kg | Electrical connection and connection terminal |
JP6888670B2 (en) * | 2017-09-06 | 2021-06-16 | 富士電機機器制御株式会社 | Leaf spring, connection terminal block |
IT201800003702A1 (en) * | 2018-03-16 | 2019-09-16 | Techno Group S R L | ELECTRICAL CONNECTOR |
JP6597822B2 (en) * | 2018-03-23 | 2019-10-30 | 富士電機機器制御株式会社 | Electrical equipment connection structure |
JP7030727B2 (en) * | 2019-01-21 | 2022-03-07 | 株式会社ユニバーサルエンターテインメント | Pachinko machine |
EP4195417A1 (en) * | 2021-12-09 | 2023-06-14 | Electro Terminal GmbH & Co KG | Cable connection box for the tool-less connection of a connection cable |
DE102021132926A1 (en) * | 2021-12-14 | 2023-06-15 | Harting Electric Stiftung & Co. Kg | Contact spring arrangement for self-locking contacting of an electrical conductor |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9100135D0 (en) * | 1991-01-04 | 1991-02-20 | Amp Great Britain | Electrical connector and an electrical contact element |
DE4336965A1 (en) * | 1993-10-29 | 1995-05-04 | Eichsfelder Technik Eitech Gmb | Detachable contact terminal |
JP3357245B2 (en) * | 1996-06-24 | 2002-12-16 | サトーパーツ株式会社 | Plug, receptacle and relay connector provided with the same |
-
2002
- 2002-04-23 JP JP2002120956A patent/JP3855833B2/en not_active Expired - Lifetime
-
2003
- 2003-03-27 EP EP03007060.1A patent/EP1357640B1/en not_active Expired - Lifetime
- 2003-04-23 CN CNB03122251XA patent/CN1207818C/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016124891A1 (en) * | 2016-12-20 | 2018-06-21 | Phoenix Contact Gmbh & Co. Kg | Terminal system for connecting at least one electrical line |
DE102016124891B4 (en) * | 2016-12-20 | 2019-03-21 | Phoenix Contact Gmbh & Co. Kg | Terminal system for connecting at least one electrical line |
Also Published As
Publication number | Publication date |
---|---|
EP1357640A2 (en) | 2003-10-29 |
JP2003317822A (en) | 2003-11-07 |
CN1207818C (en) | 2005-06-22 |
CN1453902A (en) | 2003-11-05 |
JP3855833B2 (en) | 2006-12-13 |
EP1357640A3 (en) | 2005-12-14 |
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