JP5278180B2 - Power supply circuit connection device - Google Patents

Power supply circuit connection device Download PDF

Info

Publication number
JP5278180B2
JP5278180B2 JP2009138469A JP2009138469A JP5278180B2 JP 5278180 B2 JP5278180 B2 JP 5278180B2 JP 2009138469 A JP2009138469 A JP 2009138469A JP 2009138469 A JP2009138469 A JP 2009138469A JP 5278180 B2 JP5278180 B2 JP 5278180B2
Authority
JP
Japan
Prior art keywords
housing
lever
power supply
supply circuit
terminals
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 - Fee Related
Application number
JP2009138469A
Other languages
Japanese (ja)
Other versions
JP2010287342A (en
Inventor
明博 藤田
Original Assignee
日産自動車株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日産自動車株式会社 filed Critical 日産自動車株式会社
Priority to JP2009138469A priority Critical patent/JP5278180B2/en
Publication of JP2010287342A publication Critical patent/JP2010287342A/en
Application granted granted Critical
Publication of JP5278180B2 publication Critical patent/JP5278180B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility mode provides a connecting device of a power supply circuit, which can ensure embedding. For the connecting device of the power supply circuit, a pair of terminals for a main circuit can be connected through a switch terminal, and then the power supply circuit is conducted. The connecting device is provided with a first housing (1), a second housing (2) and a control rod (3), wherein the first housing (1) is provided with a pair of terminals for the main circuit; the second housing (2) is provided with the switch terminal; the control rod (3) can be rotatably supported on the second housing (2); the second housing (2) is provided with a first locking mechanism and a second locking mechanism; the first locking mechanism rotates to a first specified position through the control rod (3) so as to lock the first housing (1) and the second housing (2) in the embedding status; the second locking mechanism rotates to a second specified position beyond the first specified position through the control rod (3), and then the control rod (3) and the first housing (1) or the second housing (2) are locked.

Description

    The present invention relates to a power supply circuit connection device.

  A female first housing provided with a pair of main circuit terminals and a pair of fitting detection terminals, a male second housing fitted and detached from the first housing, and a second howling. Provided with a switch terminal for connecting a pair of fitting detection terminals, provided with a lever and a fitting / detaching function for fitting and releasing the second housing to and from the first housing by rotating the lever, 2. Description of the Related Art A power circuit connecting device that detects a fitting state between a first housing and a second housing is known. (Patent Document 1)

JP 2008-176969 A

However, in the conventional power circuit connection device, when the second housing is fitted to the first housing, but the lever is not sufficiently rotated and locked, a pair of fitting detection terminals and a switch terminal Since the fitting detection mechanism configured by detecting that it is locked in the fitted state, there is a problem that the locked state in the fitted state is not sufficiently guaranteed.

Therefore, the present invention provides a power supply circuit connecting device that can guarantee the fitting.

This invention solves the said subject by providing the mechanism which locks a 1st housing and a 2nd housing in the middle stage which is rotating a lever.

According to the present invention, since the first housing and the second housing are locked while the lever is being rotated, the first housing and the second housing are locked before the lever is completely rotated and locked. The fitting state of the two housings is locked, and as a result, the reliability for guaranteeing that the fitting state is locked can be improved.

It is an electric circuit diagram which shows a part of power supply circuits, such as an electric vehicle. It is a perspective view of the power supply circuit connection apparatus of this example. It is a perspective view which shows the state which has latched the 2nd housing in the 1st housing in the power supply circuit connection apparatus of FIG. FIG. 3 is a perspective view showing a state immediately before the lever is completely tilted in the power supply circuit connecting device of FIG. 2. FIG. 3 is a perspective view showing a state in which the lever is completely tilted in the power supply circuit connecting device of FIG. FIG. 6 is a cutaway perspective view taken along line AA of the power supply circuit connecting device of FIG. 5. FIG. 5 is a cutaway perspective view taken along line BB of the power supply circuit connecting device of FIG. 4. It is a side view of the power supply circuit connection apparatus of FIG. It is a fragmentary sectional view in alignment with the aa line of the power supply circuit connection apparatus of FIG. 8a. It is a side view of the power supply circuit connection apparatus which inclines the lever 3 to the rotation angle 10 degree | times with respect to the lever 3 of FIG. 8a. It is a fragmentary sectional view in alignment with the aa line of the power supply circuit connection apparatus of FIG. 9a. It is a side view of the power supply circuit connection apparatus which inclines a lever to the rotation angle of 45 degree | times with respect to the lever 3 of FIG. 8a. It is a fragmentary sectional view in alignment with the aa line of the power supply circuit connection apparatus of FIG. 10a. It is a fragmentary sectional view in alignment with the bb line of the power supply circuit connection apparatus of FIG. 10a. It is a side view of the power supply circuit connection apparatus which inclines a lever to the rotation angle 87 degree | times with respect to the lever 3 of FIG. 8a. It is a fragmentary sectional view which follows the aa line | wire of the power supply circuit connection apparatus of FIG. 11a. It is a fragmentary sectional view in alignment with the bb line of the power supply circuit connection apparatus of FIG. 11b. It is a side view of the power supply circuit connection apparatus which inclines a lever to the rotation angle 90 degree | times with respect to the lever 3 of FIG. 8a. 3 is a table showing operation timings of the power supply circuit connection device of FIG. 2. It is a figure which shows the relationship with the magnitude | size of the load to a lever with respect to the rotation angle of the lever of the power supply circuit connection apparatus of FIG.

    Hereinafter, embodiments of the invention will be described with reference to the drawings.

<< First Embodiment >>
As an example of a power supply circuit connection device according to an embodiment of the present invention, a power supply circuit connection device used together with a battery for a vehicle such as a hybrid vehicle or an electric vehicle and a power load will be described.

  FIG. 1 is an electric circuit diagram showing a part of a power supply circuit of an electric vehicle or a hybrid vehicle. As shown in FIG. 1, a power supply circuit connection device 100 (hereinafter referred to as service disconnect switch, abbreviated as SDSW) according to the present embodiment is provided in the middle of a power supply circuit, and is a main circuit that cuts off and connects batteries. Functions as a switch. That is, the SDSW 100 has a pair of detachable connector housings as will be described later, and interrupts and connects the intermediate potential portion ab of the battery by detaching the connector housing. Electricity from the battery flows through the relay switch 102 to an inverter circuit (INV), a DC / DC converter for 14V and 42V, not shown. Note that electricity from the battery is detected by the current sensor 101. The SDSW 100 not only functions as a main circuit switch, but also functions as a fitting detection switch that detects the fitting of a pair of connector housings.

  2 to 5 are perspective views showing the overall configuration of the SDSW 100 according to the present embodiment, and FIG. 2 shows a state in which the second housing 2 is detached from the first housing 1. FIG. 3 shows a state in which the second housing 2 is locked to the first housing 1, and FIG. 4 shows a state in which the lever 3 is being rotated after the second housing is fitted into the first housing 1. FIG. 5 shows a state in which the first housing 1 and the second housing 2 are completely fitted. In the following, for ease of explanation, front and rear, left and right directions are defined as shown in FIGS.

  The SDSW 100 includes a first housing 1 that is fixed to the vehicle, and a second housing 2 that is accommodated in the first housing 1. A lever 3 is attached to the second housing 2 so as to be pivotable in the vertical direction. The second housing 2 is pushed into the first housing 1 by the pivoting of the lever 3, and the second housing 2 is fitted into the first housing 1. At the same time, the tip of the lever 3 is fitted into the first housing 1. Thereby, the main circuit switch and the fitting detection switch are turned on. Each of the housings 1 and 2 and the lever 3 are made of an electrically insulating material such as resin.

  A cover 4 is attached to the upper part of the second housing 2. The cover 4 can be removed by pulling backward while gripping the grip portion 4a provided at the rear end portion. With the cover 4 removed, a cover 29 described later contained in the cover 4 can be removed. Replace it.

  On the left and right side surfaces of the second housing 2, a rotating shaft 24 and a stopper 25 are provided so as to project. The front end surface of the second housing 2 has a step portion 2b, and a lock member 26 is erected on the step portion 2b. The lock member 26 engages with a claw portion 37 provided on a part of the coupling member 32 of the lever 3 to lock the lever 3. The lock member 26 has a shape capable of elastic bending deformation, and the claw portion 37 comes into contact with the lock member 26 as the lever 3 rotates, and when the lever 3 further rotates, the lock member 26 elastically deforms. Thus, the claw portion 37 enters the lock member 26, and the lock member 26 and the claw portion 37 are locked.

  The lever 3 includes a pair of left and right arm plates 31, and a first connecting member 32 and a second connecting member 33 (see FIG. 4) that connect the arm plates 31 to each other. A connector part 34 is provided at the center of the left and right of the first connecting member 32 so as to protrude in the lever rotation direction, and tapered parts 32 a are provided on both sides of the connector part 34. A rotation shaft 24 on the side surface of the second housing 2 passes through the arm plate 31, and the lever 3 is supported so as to be rotatable about the rotation shaft 24. There is a gap in the left-right direction between the lever 3 and the second housing 2, and the first housing 1 is inserted into this gap. The substantially arc-shaped cam 35 is formed on the arm plate 31 of the lever 3.

  The first housing 1 is provided with a housing portion 11 for housing the second housing 2, and the connector portion 12 is provided in front of the housing portion 11 so as to correspond to the connector portion 34 of the lever 3. The accommodating portion 11 has a shape corresponding to the outer shape of the second housing 2. Guide pins 13 that are inserted into the cams 35 protrude from the left and right outer surfaces of the first housing 1. The base plate 15 is provided in the first housing and has a shape that fits and connects with the connector portion 34. A concave portion 302 is provided on the left and right outer surfaces of the first housing 1, and the concave portion 302 engages with a convex portion 301 provided on the second housing 2. In addition, the specific structure of the convex part 301 and the recessed part 302 is mentioned later.

  In this example, the convex portion 301 is provided in the second housing 2 and the concave portion is provided in the first housing 1. However, the convex portion 301 may be provided in the first housing 1 and the concave portion may be provided in the second housing 2.

  As shown in FIG. 3, guide portions 35 a are projected along the cam 35 on the left and right inner surfaces of the arm plate 31. The guide portion 35 a is formed at a portion other than the peripheral edge portion 35 b of the arm plate 31. The guide pin 13 is inserted into the cam 35 via the peripheral portion 35b without the guide portion 35a only from the state where the first housing 1 and the second housing 2 are detached.

  As shown in FIG. 4, a part of the periphery of the arm plate 31 is formed in a substantially arc shape with the rotating shaft 24 as a fulcrum, and locking portions 31d and 31e are formed at both ends of the arc portion 31c. The locking portions 31d and 31e come into contact with the stopper portion 25 on the side surface of the second housing 2, and the rotation range of the lever 3 is limited between the complete disengagement position and the complete fitting position.

  As shown in FIG. 5, the upper end surface of the lever 3 and the upper surface of the cover 4 are substantially parallel, and the second connecting member 33 of the lever 3 is located above the front upper surface portion 4 b of the cover 4. The lock member 26 is engaged with the lever 3 to lock the lever 3 to the second housing 2. The lock member 26 engages with a claw portion 37 (see FIG. 6) provided on a part of the connecting member 32 of the lever 3 to lock the lever 3. The lock member 26 has a shape capable of elastic bending deformation, and the claw portion 37 comes into contact with the lock member 26 as the lever 3 rotates, and when the lever 3 further rotates, the lock member 26 elastically deforms. Thus, the claw portion 37 enters the lock member 26, and the lock member 26 and the claw portion 37 are locked. At this time, the connector portion 34 of the lever 3 is positioned in front of the second housing 2, and both the main circuit switch and the fitting detection switch are turned on.

  Next, the internal structure of the SDSW 100 will be described with reference to FIGS. 6 is a cutaway perspective view taken along the line AA in FIG. 5, and FIG. 7 is a cutaway perspective view taken along the line BB in FIG. A fuse 29 is disposed inside the cover 4 of the second housing 2. Thin plate-like terminals 27 a and 27 b are connected to both ends of the fuse 29, and the fuse 29 and the terminals 27 a and 27 b are fixed by bolts 28. Each terminal 27a, 27b is bent in an L shape and penetrates the bottom surface of the second housing 2. A case portion 2c projects from the bottom surface of the second housing 2, and the periphery of the terminals 27a and 27b is covered by the case portion 2c. The lengths of the terminals 27a and 27b are defined so that the tips thereof do not protrude downward from the case portion 2c.

  A pair of thin plate-like terminals 14 a and 14 b penetrates the bottom surface of the first housing 1. A case portion 1c is provided on the inner bottom surface of the first housing 1 so as to correspond to the case portion 2c of the second housing 2, and the terminals 14a and 14b are long so that their tips do not protrude above the case portion 1c. Is specified. The case portion 1 c of the first housing 1 is accommodated inside the case portion 2 c of the second housing 2.

  The tips of the terminals 14a and 14b are bent into an R shape to form a leaf spring shape. The ends of the terminals 27a and 27b are pushed between the terminals 14a and 14b and the case portion 1c, and the terminals 14a and 27a and the terminals 14b and 27b are in contact with each other. As a result, the terminals 14a and 14b are connected via the terminals 27a and 27b and the fuse 29, and the main circuit switch is turned on. Cables 18a and 18b (see FIG. 4) are connected to the terminals 14a and 14b, respectively. A bolt through hole 1 d for attaching the first housing 1 to a vehicle or a battery pack is provided on the bottom surface of the first housing 1.

  As shown in FIG. 7, a terminal 36 having a substantially U-shaped cross section is attached in the connector portion 34 of the lever 3. The terminal 36 has a length defined so as not to protrude from the opening end surface 34 a below the connector portion 34, and is surrounded by the connector portion 34. The width of the left and right inner sides of the terminal 36 becomes narrower as it goes downward, and the lower end portion of the terminal 36 can be elastically deformed to the left and right outer sides with the upper end portion as a fulcrum. As shown in FIG. 6, an opening 34 b is provided on the rear surface of the connector portion 34 so as to continue to the opening end surface 34 a, and the lower surface and the rear surface of the connector portion 34 are open.

  As shown in FIGS. 6 and 7, a base plate 15 is fixed in the connector portion 12 of the first housing 1. The base plate 15 extends in the vertical direction, and plate-like terminals 16a and 16b are mounted on both the left and right sides, respectively. Cables 17a and 17b are connected to the terminals 16a and 16b, respectively. The length of the base plate 15 is defined so as not to protrude from above the connector portion 12, and the periphery is covered by the connector portion 12. An upper end portion of the base plate 15 is formed in an R shape, and the base plate 15 can be fitted into a gap inside the terminal 36 via the upper end portion.

  The SDSW 100 shown in FIG. 6 completely accommodates the connector portion 34 in the connector portion 12 of the first housing 1. In this state, the base plate 15 is fitted inside the terminal 36, and the terminal 36 and the terminals 16a and 16b are in contact with each other. As a result, the terminals 16a and 16b are connected via the terminal 36, and the fitting detection switch is turned on. In FIG. 6, a step portion 12 a is provided on the front surface of the connector portion 12 of the first housing 1, and a gap SP is provided between the connector portion 12 and the front end surface of the base plate 15 by the step portion 12 a. The size of the gap SP is set so that the corner portion of the connector portion 34 does not interfere with the connector portion 12 when the lever 3 is rotated to accommodate the connector portion 34 in the connector portion 12. .

  The lock member 26 of this example is locked to the second housing 2 by engaging with the second housing 2, but locks the lever 3 and the first housing 1 by engaging with the first housing 1. You may comprise.

  Next, in FIG. 8 to FIG. 12, in the power supply circuit connection device of this example, the fitting state between the first housing 1 and the second housing 2 is locked and the lever 3 is locked to the second housing 2. Will be described in time series.

  FIG. 8A is a side view of the SDSW 100 of this example, and shows a state where the lever 3 is raised. FIG. 8B is a partial cross-sectional view along the line aa on the side surfaces of the first housing 1 and the second housing 2 shown in FIG. When the second housing 2 is pushed into the first housing 1 so that the second housing 2 fits into the first housing 1 with the lever 3 standing up, the guide pin 13 is inserted into the cam 35 from the peripheral portion 35b. Is done. Note that the rotation angle of the lever at this time is 0 degree.

  As shown in FIG. 8B, when the direction in which the second housing 2 is inserted into the first housing 1 is the direction in which the arrow C faces, the convex portion 301 a provided in the second housing 2 is A right-angled right surface 301a and an inclined surface 301b inclined with respect to the arrow C are provided. When the lever 3 is standing, the convex portion 301 and the concave portion 302 are not engaged with each other and are positioned apart from each other.

  FIG. 9A shows a state in which the lever 3 is tilted at a rotation angle of 10 degrees with respect to FIG. FIG. 9B is a partial cross-sectional view along the line aa on the side surfaces of the first housing 1 and the second housing 2 shown in FIG. When the lever 3 is rotated, the guide pin 13 moves relative to the cam 35. The distance (r shown in FIG. 9) between the rotating shaft 24 and the cam 35 is formed so as to be gradually reduced. For this reason, when the lever 3 is rotated, the distance between the guide pin 13 and the rotary shaft 24 is shortened, and the second housing 2 is pushed into the first housing 1 while maintaining a fitted state with the first housing. .

  When the lever 3 is rotated and the second housing 2 is pushed into the first housing 1, the convex portion 301 comes into contact with the upper end surface 303 of the first housing, but by further rotating the lever 3, The vicinity of the convex portion 301 of the second housing 1 is curved as shown in FIG. 9B, and the convex portion 301 is inserted into the first housing 1.

  FIG. 10A shows a state in which the lever 3 is tilted at a rotation angle of 45 degrees with respect to FIG. FIG. 10B is a partial cross-sectional view along the line aa on the side surfaces of the first housing 1 and the second housing 2 shown in FIG. FIG. 10C is a partial cross-sectional view taken along line bb of the first housing 1 and the second housing 2 shown in FIG.

  When the lever 3 is rotated, the guide pin 13 further moves relative to the cam 35, and the second housing 2 is further pushed into the first housing 1. Then, as shown in FIG. 10B, the convex portion 301 is completely engaged with the concave portion 302. Thereby, the fitting state of the first housing 1 and the second housing 2 is locked. The distance from the rotating shaft 24 to the cam 35 is within the range of the cam 35 corresponding to the position where the lever 3 operates until the fitting state between the first housing 1 and the second housing 2 is locked from the state shown in FIG. It is formed to be smaller. Therefore, when the second housing 2 is completely pushed into the first housing 1, the convex portion 301 and the concave portion 302 are engaged, and the fitting state between the first housing 1 and the second housing 2 is locked. Further, when the convex portion 301 and the concave portion 302 are engaged, the curved second housing 2 returns to the original state, so that vibration is generated between the first housing 1 and the second housing 2. Since the vibration is transmitted to the operator through the lever 3, the vibration can be felt while the operator is turning the lever 3, and the first housing 1 and the second housing 2 are fitted. Can be confirmed by touch.

  Further, as shown in FIG. 10C, when the convex portion 301 and the concave portion 302 are engaged, the terminal 36 of the second housing 2 is not in contact with the terminals 16a and 16b of the first housing. The fitting detection switch remains off.

  FIG. 11A shows a state in which the lever 3 is tilted to a rotation angle of 87 degrees with respect to FIG. FIG. 11B is a partial cross-sectional view along the line aa on the side surfaces of the first housing 1 and the second housing 2 shown in FIG. FIG.11 (c) is a fragmentary sectional view in alignment with bb of the 1st housing 1 and the 2nd housing 2 which are shown to Fig.11 (a).

  The fitting state of the first housing 1 and the second housing 2 is locked by the convex portion 301 and the concave portion 302, and when the lever 3 is further rotated, the guide pin 13 moves the cam 35 relatively. Since the guide pin 13 moves relative to the cam 35 while keeping the distance from the rotation shaft 24 constant, the second housing 2 is not further pushed into the first housing 1 and, as shown in FIG. The engaged state between the convex portion 301 and the concave portion 302 is maintained.

  As shown in FIG. 11C, when the lever 3 is rotated, the base plate 15 is fitted inside the terminal 36 of the second housing 2, and the terminal 36 and the terminals 16a and 16b of the first housing 1 are connected. Contact each other. As a result, the terminals 16a and 16b are connected via the terminal 36, and the fitting detection switch is turned on. In the state shown in FIG. 11, the lever 3 is not locked to the second housing 2.

  FIG. 12 shows a state in which the lever 3 is tilted at a rotation angle of 90 degrees with respect to FIG. 8A, and corresponds to a side view of the SDSW 100 shown in FIG.

  Since the guide pin 13 moves relative to the cam 35 while maintaining a constant distance from the rotation shaft 24, the second housing 2 is not pushed further into the first housing 1, and the engagement between the convex portion 301 and the concave portion 302 is not performed. The lever 3 further rotates while maintaining the combined state. Then, the lock member 26 (see FIG. 5) is engaged with the second housing 2, and the lever 3 is locked to the second housing 2. When the locking portion 31d of the lever 3 contacts the stopper 25, the turning operation of the lever 3 is restricted.

  Next, referring to FIG. 13, the main circuit switch, the housing lock, and the fitting from the state in which the first housing 1 and the second housing 2 are detached to the state in which the lever 3 is locked to the second housing 2 The timing for locking the detection switch and the lever 3 will be described. In FIG. 13, the horizontal axis indicates the rotation angle of the lever 3 and corresponds to the rotation angles of FIGS. 8 to 12.

  When the second housing 2 is fitted to the first housing from the state where the first housing 1 and the second housing are separated (see FIG. 2) while the lever 3 is raised (see FIG. 8). The terminal 14a, 14b of the first housing 1 is connected via the terminals 27a, 27b of the second housing 2 and the fuse 29, and the main circuit switch is turned on ((a) of FIG. 13).

Next, when the lever 3 is rotated and the rotation angle of the lever 3 reaches 45 degrees (see FIG. 10), the convex portion 301 of the second housing 2 is engaged with the concave portion 302 of the first housing 1, and the first The fitting state of the first housing 1 and the second housing 2 is locked ((b) of FIG. 13).
When the lever 3 is turned and the rotation angle of the lever 3 reaches 87 degrees (see FIG. 11), the terminal 16a and the terminal 16b of the first housing are connected via the terminal 36 of the second housing 2. The fitting detection switch is turned on ((c) in FIG. 13).

  Further, when the lever 3 is rotated and the rotation angle of the lever 3 reaches 90 degrees (see FIG. 12), the lock member 26 of the lever 3 is engaged with the second housing 2, and the lever 3 is engaged with the second housing 2. (FIG. 13D).

  When the rotation angle of the lever 3 exceeds 90 degrees, the locking portion 31d of the lever 3 comes into contact with the stopper 25, so that the turning operation of the lever 3 is restricted. In this example, the stopper 25 is provided at a position corresponding to an angle obtained by adding an appropriate amount of play to the rotation angle of 90 degrees. For this reason, FIG. 13 also shows a state in which the rotation angle exceeds 90 degrees, and this is also shown in FIG.

  Next, referring to FIG. 14, the lever 3 by the operator with respect to the rotation angle of the lever from the state in which the first housing 1 and the second housing 2 are detached to the state in which the lever 3 is locked to the second housing 2. Explain the magnitude of the load. In FIG. 14, the horizontal axis indicates the rotation angle of the lever 3 and corresponds to the rotation angles of FIGS. 8 to 12, and the vertical axis indicates the magnitude of the load of the lever 3.

  When the second housing 2 is locked to the first housing 1, the terminals 27a and 27b of the main circuit switch start to contact the terminals 14a and 14b. The turning operation of the lever 3 receives a frictional force due to the contact between the terminals in addition to the load for turning the lever 3. Further, the second housing 2 is also subjected to a resistance force generated by being pushed into the first housing 1. Therefore, as shown in FIG. 14A, the load on the lever 3 increases.

  When the rotation angle of the lever 3 reaches 10 degrees, the convex portion 301 comes into contact with the upper end surface 303 of the first housing, and the second housing 2 starts to bend. For this reason, the lever turning operation also adds a force for bending the second housing 2, so that the load on the lever 3 is further increased ((b) of FIG. 14).

  When the terminals 27a and 27b of the main circuit switch are completely inserted into the terminals 14a and 14b (FIG. 14 (c)), locking by the convex portion 301 and the concave portion 302 is performed by the load of the lever 3 at that time (FIG. 14). 14 (d)). At this time, the rotation angle of the lever 3 is 45 degrees.

  Thereafter, the lever 3 is rotated, but since the distance from the cam position corresponding to the position of the guide pin 13 to the rotating shaft 24 is kept constant, only the sliding force of the lever 3 remains (see FIG. 14). (E)).

  When the rotation angle of the lever 3 reaches 87 degrees, the terminal 36 of the fitting detection switch starts to contact the terminals 16a and 16b. The turning operation of the lever 3 receives a frictional force due to the contact between the terminals in addition to the load for turning the lever 3. Therefore, as shown in FIG. 14F, the load on the lever 3 is increased.

  When the lever 3 is further rotated, the lock member 26 begins to bend, and therefore, the lever turning operation also adds a force for bending the first housing 1, and the load on the lever 3 is further increased ((( g)).

  When the rotation angle of the lever 3 reaches 90 degrees, the terminal 36 is completely inserted into the terminals 16a and 16b, and the lock member 26 and the second housing 2 are locked ((h) in FIG. 14).

  When the lever 3 and the second housing 2 are locked, the load on the lever 3 decreases, but the load on the lever 3 increases again because the locking portion 31d of the lever 3 contacts the stopper 25 (FIG. 14). (I)). Thereby, the fitting state of the first housing 1 and the second housing 2 is locked, and the lever 3 and the second housing 2 are locked.

  As described above, this example locks the fitting state of the first housing 1 and the second housing 2 in the middle of tilting the lever 3, and further rotates the lever 3 after the locking, so that the lever 3 Is locked to the second housing 2. Thereby, in this example, since the fitting state of the 1st housing 1 and the 2nd housing can be locked twice, the reliability as a switch can be improved. Further, since the operator can feel the vibration caused by locking the fitting state of the first housing 1 and the second housing 2 before tilting the lever 3 to the end, the working efficiency is improved. However, it is possible to prevent forgetting to lock. Further, even when the lever 3 is not sufficiently rotated and the lever 3 is not tilted to the end, the fitting state between the first housing 1 and the second housing 2 is locked. 2 The housing 2 is not detached from the first housing, and the safety of the switch can be maintained.

 Further, since the present example has a lock mechanism in two stages along with the turning operation of the lever 3, the operator can lock the fitting state between the first housing 1 and the second housing 2. The lever 3 is locked to the second housing and the operation can be finished by touch, and the respective unlocked states can be prevented.

  Further, in this example, the convex portion of the second housing 2 has a right-angle surface 301a that is perpendicular to the direction in which the second housing 2 is inserted into the first housing 1, and an inclined surface 301b that is inclined with respect to the direction. And since the slope part 301b contact | abuts with the upper end surface 303 of a 1st housing, it becomes easy to insert the 2nd housing 2 in the 1st housing 1. FIG. When the lever is rotated in the unlocking direction in a state where the convex portion 301 and the concave portion 302 are fitted, the right-angle surface 301b faces the concave portion 302, so that the second housing 2 is the first housing. The second housing 2 is less likely to be detached from the first housing 1 as compared with the case of being inserted into the first housing 1. Therefore, in this example, it is possible to make it difficult to unlock the fitting state between the first housing 1 and the second housing 2.

  In this example, the guide pin 13 is relatively moved by the turning operation of the lever 3 until the lever 3 is locked to the second housing 2 after the fitting state of the first housing 1 and the second housing 2 is locked. The range of the cam 35 that moves automatically forms a constant distance from the rotary shaft 24 to the cam 35. Thereby, the fitting state between the first housing 1 and the second housing 2 is locked, and even if the lever 3 is further rotated, the second housing 2 is not pushed into the first housing 1 and the fitting state is maintained. The lever 3 can be rotated while keeping it.

  In this example, the main circuit switch is turned on before the fitting state between the first housing 1 and the second housing 2 is locked by the turning operation of the lever 3. As a result, the main circuit can be conducted if at least the fitting state between the first housing 1 and the second housing 2 is locked. The function can be demonstrated.

  Further, in this example, the fitting detection between the first housing 1 and the second housing 2 is locked by the turning operation of the lever 3 and before the lever 3 is locked to the second housing 2. Turn on the switch. Thereby, after the fitting detection switch is turned on, the operator can obtain a feeling of termination by locking the lever 3 to the second housing 2, and thus the reliability as the switch of this example can be improved. .

  In addition, the position where the rotation angle of the lever 3 in this example is 45 degrees corresponds to the “first predetermined position” of the present invention, and the position where the rotation angle of the lever 3 is 90 degrees is the “second predetermined position”. The position where the rotation angle of the lever 3 is 87 degrees corresponds to the “third predetermined position”. In this example, the angle of each rotation angle can be set arbitrarily.

  Further, the convex portion 301 and the concave portion 302 of the present example correspond to the “first lock mechanism” of the present invention, and the lock member 26 and the claw portion 37 of the present example correspond to the “second lock mechanism” of the present invention. The mechanism for locking the first housing 1 and the second housing 2 is not limited to the configuration of the convex portion 301 and the concave portion 302, and the mechanism for locking the lever 3 and the first housing 1 or the second housing 2 is a locking member. 26 and the claw portion 37 can be changed as appropriate.

DESCRIPTION OF SYMBOLS 1 ... 1st housing 1c ... Case part 1d ... Bolt through-hole 2 ... 2nd housing 2b ... Step part 2c ... Case part 3 ... Lever 4 ... Cover 4a ... Grip part 4b ... Front side upper surface part 4c ... Rear side upper surface part 11 ... Housing part 12 ... Connector part 12a ... Step part 13 ... Guide pins 14a and 14b ... Terminal 15 ... Base plates 16a and 16b ... Terminals 18a and 18b ... Cable 24 ... Rotating shaft 25 ... Stopper part 26 ... Lock members 27a and 27b ... Terminal 28 ... Bolt 29 ... Fuse 31 ... Arm plate 31c ... Arc portion 31d, 31e ... Locking portion 32 ... First connecting member 32a ... Tapered portion 33 ... Second connecting member 34 ... Connector portion 34a ... Open end face 34b ... Opening portion 35 ... Cam 35a ... guide portion 35b ... peripheral edge portion 36 ... terminal 37 ... claw portion 100 ... service disconnect switch (SDSW)
DESCRIPTION OF SYMBOLS 101 ... Current sensor 102 ... Relay switch 301 ... Convex part 301a ... Right angle surface 301b ... Inclined surface 302 ... Concave part 303 ... Upper end surface

Claims (6)

  1. A power supply circuit connection device for connecting a pair of main circuit terminals via a switch terminal to bring the power supply circuit into a conductive state,
    A first housing having the pair of main circuit terminals; a second housing having the switch terminals;
    A lever rotatably supported by the second housing;
    The second housing is fitted to the first housing by a turning operation of the lever,
    A first locking mechanism that locks a fitting state of the first housing and the second housing by a turning operation of the lever to a first predetermined position;
    The lever includes a second locking mechanism in which the lever is locked to the first housing or the second housing by a turning operation of the lever to a second predetermined position that exceeds the first predetermined position. Power supply circuit connection device.
  2. The first lock mechanism is formed by a concave portion and a convex portion,
    One of the recess or projection is provided in the first housing, and the other of the recess or projection is provided in the second housing,
    The convex portion is
    An inclined surface that is inclined with respect to a direction in which the second housing is inserted into the first housing;
    The power supply circuit connecting device according to claim 1, wherein the power supply circuit connecting device has a right-angle plane perpendicular to the insertion direction.
  3. A guide pin provided in the first housing;
    A cam that is provided on the lever and that moves relative to the guide pin while the lever is rotated,
    The range of the cam corresponding to the operation position from the first predetermined position of the lever to the second predetermined position is formed such that the distance from the rotation axis of the lever to the cam is constant. The power supply circuit connection device according to claim 1 or 2.
  4. The first housing and the second housing are fitted by a turning operation of the lever after the lever and the first housing are engaged,
    The switch terminal connects the pair of main circuit terminals from when the lever is engaged with the first housing to when the lever is rotated to the first predetermined position. Item 4. The power supply circuit connection device according to any one of Items 1 to 3.
  5. The first housing has a pair of fitting detection terminals,
    The second lever connects the pair of fitting detection terminals by rotating the lever to a third predetermined position that exceeds the first predetermined position and reaches the second predetermined position. The power supply circuit connection device according to claim 1, further comprising: a switch terminal.
  6. Engaging a first housing having a pair of main circuit terminals and a second housing having a pivotable lever;
    Connecting the switch terminal provided in the second housing and the pair of main circuit terminals;
    Turning the lever to a first predetermined position, fitting the first housing and the second housing, and locking the fitting state of the first housing and the second housing;
    A method of connecting a power supply circuit, wherein the lever is rotated to a second predetermined position exceeding the first predetermined position, and the lever is locked to the first housing or the second housing.
JP2009138469A 2009-06-09 2009-06-09 Power supply circuit connection device Expired - Fee Related JP5278180B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009138469A JP5278180B2 (en) 2009-06-09 2009-06-09 Power supply circuit connection device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009138469A JP5278180B2 (en) 2009-06-09 2009-06-09 Power supply circuit connection device
CN201020224559XU CN201868679U (en) 2009-06-09 2010-06-09 Connecting device of power supply circuit

Publications (2)

Publication Number Publication Date
JP2010287342A JP2010287342A (en) 2010-12-24
JP5278180B2 true JP5278180B2 (en) 2013-09-04

Family

ID=43542904

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009138469A Expired - Fee Related JP5278180B2 (en) 2009-06-09 2009-06-09 Power supply circuit connection device

Country Status (2)

Country Link
JP (1) JP5278180B2 (en)
CN (1) CN201868679U (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5711985B2 (en) * 2011-01-28 2015-05-07 矢崎総業株式会社 Power circuit breaker
JP2013033606A (en) 2011-08-01 2013-02-14 Yazaki Corp Lever fitting type connector unit
JP5872824B2 (en) 2011-09-12 2016-03-01 矢崎総業株式会社 Power circuit breaker
DE102011054563B3 (en) 2011-10-18 2013-01-24 HARTING Electronics GmbH Connectors
JP5830405B2 (en) * 2012-02-20 2015-12-09 矢崎総業株式会社 Lever type connector
JP6692718B2 (en) * 2016-08-16 2020-05-13 日本航空電子工業株式会社 Connector device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0755832Y2 (en) * 1989-09-22 1995-12-20 富士重工業株式会社 Electrical connector mating confirmation device
JP4875993B2 (en) * 2007-01-17 2012-02-15 日産自動車株式会社 Power supply circuit connection device

Also Published As

Publication number Publication date
JP2010287342A (en) 2010-12-24
CN201868679U (en) 2011-06-15

Similar Documents

Publication Publication Date Title
FI123265B (en) Electrical connector
US7438570B2 (en) Lever fitting-type connector
US5174785A (en) Low insertion-withdrawal force electric connector
JP4267935B2 (en) Electrical connector assembly and electrical connector
JP5018740B2 (en) Connector
JP4272037B2 (en) Lever fitting type power circuit breaker
US7347710B2 (en) Electric wire connector having a lock securing mechanism
KR101308259B1 (en) Connector assembly having multi-stage latching sequence
US7503795B2 (en) Connector prevented from undesired separation of a locking member
US7275951B2 (en) Connector
EP1726410B1 (en) Power tool
JP4752606B2 (en) connector
EP0416307B1 (en) Coupling confirming mechanism for an electric connector
EP1859513B1 (en) Lever mated connector assembly with a position assurance device
JP3911142B2 (en) Lever fitting type connector
EP1947744B1 (en) Power supply circuit connector and method of connecting power supply circuit
KR101001305B1 (en) Electrical connector with a locking mechanism
EP1887664B1 (en) Lever connector
TWI389398B (en) Connector assembly
JP4285376B2 (en) Lever type connector
DE102008028933B4 (en) Circuit breaker device
JP4229282B2 (en) Lever type connector
JP3987736B2 (en) Lever type connector
JP4985172B2 (en) Lever type connector
EP2276123B1 (en) Lever type connector

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20120424

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20130415

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20130423

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20130506

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees