JP2018162793A - Fixation release structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixation release structure that improves release workability.SOLUTION: A fixation release structure 1 includes multiple fixing members 3, a locking part 5 provided between adjacent fixing members 3, 3 and holding an assembling state of the adjacent fixing members 3, 3, and a release jig 7 for releasing the locking of this locking part 5. The locking part 5 has an engagement claw 11 flexibly provided in a concave part 9 and an engaging hole part 13. The release jig 7 has a release part 15 and a holding part 17. The concave part 9 has a guide part 19 inclined toward the engagement claw 11 in the insertion direction of the release part 15 and capable of engaging with the holding part 17, and a groove 21 extended from this guide part 19 in the insertion direction of the release part 15 and capable of being engaged with the holding part 17. An engaged part 23 capable of being engaged in the separation direction of the holding part 17 and the release part 15 is provided between the guide part 19 and the groove 21.SELECTED DRAWING: Figure 9

Description

  The present invention relates to a fixing release structure. Specifically, the present invention relates to a fixing release structure having a releasing jig that releases a locking portion provided between adjacent fixing members.

  2. Description of the Related Art Conventionally, as a locking portion in a fixing release structure, an engaging claw provided on an electrical junction box as one of adjacent fixing members and a engaging claw provided on a bracket as the other are engaged. One having an engagement hole portion to be joined is known (for example, see Patent Document 1).

  As the fixing release structure in this locking portion, the engagement is released by bending the engaging claw engaged with the engaging hole portion by an operator's hand or a releasing jig, and the bracket is removed from the electric connection box. Can be removed.

JP-A-9-103018

  However, in the fixing release structure as in Patent Document 1, when the adjacent fixing member is removed, the engagement between the engaging claw and the engaging hole in the locking portion is released by the operator's hand or a releasing jig. It was necessary to remove the adjacent fixing member while holding the state.

  Therefore, in order to maintain the state in which the engagement of the locking portion is released, a release jig for bending the engagement claw and releasing the engagement with the engagement hole portion is engaged at the locking portion. It is conceivable to hold the nail in a bent state.

  In order to hold the release jig in the locking portion, an engagement claw is provided in the recess, and the release jig inserted into the recess is sandwiched between the engagement claw and the inner wall surface of the recess. The release jig can be held in the recess with the stop portion released.

  However, when inserting the release jig into the recess, it is conceivable to provide a guide part that is inclined in the insertion direction of the release jig toward the engagement claw in the recess. Since it becomes shallower in the direction, there is a possibility that the release jig is displaced or rotated with respect to the engaging claw.

  In addition, in a state in which the release jig is held in the recess, there is a possibility that the held release jig may jump out of the recess due to interference between the engagement hole portion pulled out from the recess and the release jig.

  Accordingly, an object of the present invention is to provide a fixing / releasing structure capable of improving the releasing workability.

  According to the first aspect of the present invention, a plurality of fixing members, a locking portion provided between the adjacent fixing members and holding the assembled state of the adjacent fixing members, and the locking of the locking portions are released. A fixing release structure including a releasing jig, wherein the locking portion includes an engaging claw provided in a concave portion provided in one of the adjacent fixing members and capable of bending; An engaging hole that is inserted into the recess and engages with the engaging claw in the direction of detachment of the fixing member adjacent to the engaging claw, and the release jig is inserted into the recess and the engaging claw And a release portion for releasing the engagement between the engagement claw and the engagement hole, and an abutment against an inner wall surface of the recess provided on the opposite side of the release portion, and the engagement claw and the engagement A holding portion for holding the engagement with the joint hole, and the concave portion is inserted toward the engagement claw. And a guide portion that can be engaged with the holding portion, and a groove portion that extends from the guide portion in the insertion direction of the release portion and that can be engaged with the holding portion, the guide portion and the groove portion, An engagement portion that can be engaged in a direction in which the holding portion and the release portion are detached is provided between the engagement portion and the release portion.

  In this fixing release structure, the concave portion is inclined in the insertion direction of the release portion toward the engagement claw and can be engaged with the holding portion, and the holding portion extends from the guide portion in the insertion direction of the release portion. Since the groove portion is engageable, the guide portion is not shallow in the insertion direction of the release portion, and the release portion can be stably guided to the engagement claw.

  In this guide portion, a groove portion that can be engaged with the holding portion is extended in the insertion direction of the release portion, so that the release portion is stably guided to the engaging claw by the engagement between the groove portion and the holding portion. The engaging claw can be bent flexibly by the release portion.

  In addition, since an engaged portion that can be engaged in the direction in which the holding portion and the release portion are detached is provided between the guide portion and the groove portion, the engagement hole portion that is pulled out from the recess and the release portion interfere with each other. Even so, it is possible to prevent the release jig held from the concave portion from popping out.

  Therefore, in such a fixing release structure, the release portion can be stably guided to the engaging claw, and the release jig can be prevented from popping out from the recess, and the release workability can be improved.

  The invention according to claim 2 is the fixing release structure according to claim 1, wherein a plurality of the locking portions are provided between the adjacent fixing members.

  In this fixing release structure, since a plurality of locking portions are provided between adjacent fixing members, when removing adjacent fixing members, the plurality of locking portions must be released simultaneously.

  For this reason, the state which released the some latching part simultaneously can be hold | maintained by inserting the cancellation | release jig | tool in each of a some latching | locking part, and an adjacent fixing member can be removed easily.

  In addition, the engagement claw and the engagement hole portion can be easily released from each other by inserting the release jig into each of the plurality of locking portions. Since the pop-out is also prevented, the release workability can be further improved when a plurality of locking portions are provided between the adjacent fixing members.

  According to the present invention, there is an effect that it is possible to provide a fixed release structure capable of improving the release workability.

It is a principal part expansion perspective view which made some cross sections the fixed release structure which concerns on embodiment of this invention. It is a front view of the engaging claw of the fixation release structure which concerns on embodiment of this invention. It is a front view of the engagement hole part of the fixation release structure which concerns on embodiment of this invention. It is the perspective view which made a part of fixing member of fixing release structure concerning an embodiment of the invention a section. It is a top view of the recessed part of the fixation release structure which concerns on embodiment of this invention. It is a bottom view of the recessed part of the fixation release structure which concerns on embodiment of this invention. It is a side view of the cancellation | release jig of the fixation cancellation | release structure which concerns on embodiment of this invention. It is sectional drawing when extracting the engaging hole part of the fixation release structure which concerns on embodiment of this invention from a recessed part. It is a principal part enlarged view of FIG. FIG. 10 is a cross-sectional view when the release jig is pulled out from the state of FIG. 9.

  In the battery pack, for example, in order to maintain the assembled state of the plurality of fixing members 3 in which the plurality of batteries are accommodated, the fixing release structure according to the embodiment of the present invention is provided between adjacent fixing members 3 and 3. It is used for releasing the provided locking portion 5.

  Hereinafter, the fixing release structure according to the embodiment of the present invention applied to such a battery pack will be described with reference to FIGS.

  The fixing release structure 1 according to the present embodiment includes a plurality of fixing members 3, a locking portion 5 that is provided between the adjacent fixing members 3 and 3 and holds the assembled state of the adjacent fixing members 3 and 3, A release jig 7 for releasing the locking of the locking portion 5 is provided.

  In addition, the locking portion 5 is inserted into the recess 9 provided in the recess 9 provided in one of the adjacent fixing members 3, 3, and the engagement claw 11 provided in the other so as to bend. It has the engaging claw 11 and the engaging hole part 13 engaged in the removal direction of the fixing members 3 and 3 adjacent.

  Further, the release jig 7 is inserted into the recess 9 and bends the engagement claw 11 to release the engagement between the engagement claw 11 and the engagement hole 13, and is opposite to the release part 15. And a holding portion 17 that is provided on the side and abuts against the inner wall surface of the recess 9 to hold the engagement claw 11 and the engagement hole portion 13 from being disengaged.

  The concave portion 9 is inclined in the insertion direction of the release portion 15 toward the engagement claw 11 and can be engaged with the holding portion 17, and extends from the guide portion 19 in the insertion direction of the release portion 15. An engaging portion 23 is provided between the guide portion 19 and the groove portion 21. The engaged portion 23 can be engaged in the direction in which the holding portion 17 and the release portion 15 are detached. ing.

  A plurality of locking portions 5 are provided between the adjacent fixing members 3 and 3.

  As shown in FIGS. 1 to 10, the plurality of fixing members 3 are each made of, for example, an insulating material such as synthetic resin, metal, and the like, formed in a casing shape, and a plurality of batteries (not shown) inside. Contained.

  In the fixing member 3, a plurality of batteries housed therein are electrically connected via a conductive member (not shown) such as a bus bar, and the adjacent fixing members 3 and 3 have connection portions (not shown). Is electrically connected.

  A plurality of locking portions 5 are provided between the adjacent fixing members 3, 3, and the assembled state of the plurality of fixing members 3 is held via the plurality of locking portions 5.

  In addition, since the some latching | locking part 5 is the same structure, below, the one latching | locking part 5 is demonstrated.

  The locking part 5 has an engaging claw 11 provided in one of the adjacent fixing members 3 and 3 and an engaging hole part 13 provided in the other.

  The engaging claw 11 is formed so as to be able to be bent by one member continuous with the fixing member 3 in the recess 9 provided in one fixing member 3, and protrudes into the recess 9.

  When the adjacent fixing members 3 and 3 are assembled, the engaging claw 11 is bent by abutting with the edge of the engaging hole portion 13 provided in the other fixing member 3 inserted into the recess 9. When the engagement hole 13 is completely inserted into the recess 9, it is restored and engaged with the engagement hole 13.

  The engagement hole portion 13 is provided, for example, through a metal member that is insert-molded in the other fixing member 3 and exposed from the other fixing member 3 in the plate thickness direction. The plate thickness of the member is set equal to the protruding height of the engaging claw 11.

  In addition, the extension part extended toward the recessed part 9 side in which the engagement hole part 13 was provided is not restricted to the metal member insert-molded by the other fixing member 3, For example, the other fixing member 3 and The extending part formed in the shape which can be inserted in the recessed part 9 by one continuous member may be sufficient.

  In this engagement hole portion 13, the adjacent fixing members 3, 3 are assembled, that is, the extended portion of the other fixing member 3 is inserted into the recess 9 of one fixing member 3. The engaging claw 11 is engaged, and the assembled state of the adjacent fixing members 3 and 3 is maintained.

  The engagement of the locking portion 5 due to the engagement between the engagement claw 11 and the engagement hole portion 13 is released by the release jig 7 inserted into the recess 9.

  The release jig 7 is made of, for example, a metal material having rigidity, and is formed in a plate shape. , A projecting holding portion 17 that protrudes on the opposite side of the release portion 15 and abuts against the inner wall surface of the recess 9, and an operation that an operator or the like holds to insert the release portion 15 and the holding portion 17 into the recess 9. Part 25.

  When the release portion 15 and the holding portion 17 are inserted into the recess 9 by the operation of the operation portion 25, the release jig 7 contacts the engagement claw 11 to bend the engagement claw 11. The engagement between the engagement claw 11 and the engagement hole 13 is released.

  In a state where the release portion 15 is bending the engaging claw 11, the holding portion 17 contacts the inner wall surface of the concave portion 9 facing the engaging claw 11 in the concave portion 9, and the restoring force of the engaging claw 11 The release portion 15 and the holding portion 17 are sandwiched between the engaging claw 11 and the inner wall surface of the recess 9.

  Accordingly, the release portion 15 and the holding portion 17 are held in the recess 9 in a state where the engagement of the locking portion 5 is released.

  In this state where the engagement of the locking portions 5 is released, the release jig 7 is held in the recesses 9 so that the other plurality of the locking portions 5 can also be released into the respective recesses 9. The jig 7 can be held in the recess 9 in a state where the engagement of the locking portions 5 is released, and it is not necessary to release the engagement of the plurality of locking portions 5 at the same time.

  Thus, the guide part 19 and the groove part 21 are provided in the recessed part 9 into which the release part 15 and the holding part 17 of the release jig 7 are inserted.

  The guide portion 19 is provided on the inner wall surface of the recess 9 facing the engaging claw 11, is inclined from the opening edge of the recess 9 toward the engaging claw 11, and is inserted into the recess 9. The holding portion 17 can be engaged.

  The guide part 19 has an end in the insertion direction of the release jig 7 positioned in front of the engaging claw 11, and as the guide part 19 advances to the inner part of the recessed part 9, particularly in the vicinity of the engaging claw 11. It is set so as not to gradually become shallow.

  By setting the guide portion 19 with respect to the concave portion 9 in this manner, the holding portion 17 of the release jig 7 and the guide portion 19 can be stably engaged, and displacement and rotation can be prevented, The release portion 15 of the release jig 7 can be guided to the engagement claw 11.

  A groove portion 21 is continuously provided at the end portion of the guide portion 19 in the insertion direction of the release jig 7.

  The groove portion 21 extends linearly from the end portion of the guide portion 19 in the insertion direction of the release jig 7 toward the back of the recess portion 9 along the insertion direction of the release jig 7 and is inserted into the recess portion 9. It is possible to engage with the holding portion 17 of the release jig 7.

  The groove portion 21 is engaged with the release portion 15 of the release jig 7 after the hold portion 17 of the release jig 7 inserted into the recess 9 has been engaged with the guide portion 19. The engaging claw 11 is bent by pressing the joint claw 11, and the holding portion 17 is brought into contact with the bottom of the groove portion 21 by the restoring force of the engaging claw 11.

  The contact between the bottom of the groove 21 and the holding portion 17 of the releasing jig 7 causes the releasing portion 15 and the holding portion 17 of the releasing jig 7 to be recessed in a state where the engagement of the locking portion 5 is released. 9 can be retained.

  In this way, by engaging the groove portion 21 that can be engaged with the holding portion 17 of the release jig 7 with respect to the guide portion 19 in the insertion direction of the release jig 7, the engagement between the holding portion 17 and the groove portion 21 is achieved. It can continue stably, can prevent position shift and rotation, can lead release part 15 to engagement claw 11, and can make engagement claw 11 bent flexibly by release part 15.

  Between the guide part 19 and the groove part 21, an engaged part 23 that can be engaged in a direction in which the holding part 17 of the releasing jig 7 and the releasing jig 7 are detached from the recess 9 is provided. .

  The engaged portion 23 is located between the guide portion 19 and the groove portion 21 and is a stepped portion that protrudes toward the engaging claw 11 that is the end portion of the guide portion 19 in the insertion direction of the release jig 7. ing.

  Here, the engagement hole portion 13 can move in the direction away from the recess 9 in a state where the release jig 7 is held in the recess 9, that is, in a state where the engagement of the locking portion 5 is released. .

  Due to the movement of the engagement hole 13 in the direction of detachment from the recess 9, the opening edge of the engagement hole 13 abuts on the release part 15 of the release jig 7, and the release jig 7 is detached from the recess 9. Move in the direction.

  Due to the movement of the release jig 7 in the direction of detachment from the recess 9, the holding portion 17 of the release jig 7 is engaged in the direction of detachment of the engaged portion 23 and the release jig 7.

  Since the release jig 7 cannot move further in the disengagement direction from the concave portion 9 due to the engagement between the holding portion 17 of the release jig 7 and the engaged portion 23, the engagement hole 13 and the release treatment are not performed. The engagement hole 13 cannot be pulled out from the recess 9 by contact with the release portion 15 of the tool 7.

  In this state, the release jig 7 is tilted by operating the operation part 25 of the release jig 7 to release the engagement between the holding part 17 and the engaged part 23, and the release part 15 and the holding part 17 of the release jig 7 are released. Are pulled out from the recess 9.

  Thereby, there is no interference between the engagement hole 13 and the recess 9, the engagement hole 13 can be pulled out from the recess 9, and the assembly of the adjacent fixing members 3 and 3 can be released.

  In this way, by engaging the holding portion 17 of the release jig 7 and the engaged portion 23 of the recess 9, the engagement hole 13 in the movement of the engagement hole 13 in the disengagement direction from the recess 9 The contact of the release jig 7 with the release portion 15 can prevent the release jig 7 from jumping out of the recess 9.

  In such a fixing release structure 1, the concave portion 9 is inclined toward the engagement claw 11 in the insertion direction of the release portion 15 and can be engaged with the holding portion 17, and the guide portion 19 to the release portion 15. Since the guide portion 19 does not become shallow in the insertion direction of the release portion 15, the release portion 15 can be stably engaged with the engaging claw 11. Can lead to.

  Since the groove portion 21 that can be engaged with the holding portion 17 extends in the insertion direction of the release portion 15 in the guide portion 19, the release portion 15 is stably provided by the engagement between the groove portion 21 and the holding portion 17. Can be guided to the engaging claw 11, and the engaging claw 11 can be reliably bent by the release portion 15.

  Further, since an engaged portion 23 that can be engaged in the direction in which the holding portion 17 and the release portion 15 are detached is provided between the guide portion 19 and the groove portion 21, the engagement hole portion that is pulled out from the recess 9. Even if 13 and the release portion 15 interfere with each other, it is possible to prevent the release jig 7 held from the recess 9 from jumping out.

  Therefore, in such a fixing release structure 1, the release portion 15 can be stably guided to the engaging claw 11, and the release jig 7 can be prevented from popping out from the recess 9, thereby improving the release workability.

  In addition, since a plurality of the locking portions 5 are provided between the adjacent fixing members 3 and 3, when the adjacent fixing members 3 and 3 are removed, the plurality of locking portions 5 must be released at the same time. .

  For this reason, by inserting the release jig 7 into each of the plurality of locking portions 5, the state where the plurality of locking portions 5 are simultaneously released can be maintained, and the adjacent fixing members 3 and 3 can be easily held. Can be removed.

  In addition, the engagement claw 11 and the engagement hole 13 can be easily disengaged by inserting the release jig 7 into each of the plurality of locking portions 5, and in the removal of the adjacent fixing members 3 and 3. Since the protrusion of the release jig 7 from the concave portion 9 is also prevented, the release workability can be further improved when a plurality of the locking portions 5 are provided between the adjacent fixing members 3 and 3.

  In the fixing release structure according to the embodiment of the present invention, the number of the plurality of fixing members is two, and the locking portion between the two fixing members is described. The number of members may be three or more, and the fixing release structure of the present invention can be applied to a locking portion between adjacent fixing members.

  In addition, although a plurality of locking portions are provided between adjacent fixing members, the present invention is not limited to this, and the engagement between the engagement claw and the engagement hole portion is stabilized by the engagement between the holding portion and the groove portion. The structure that releases and prevents the release jig from protruding from the recess by engaging the holding portion and the engaged portion is effective even when there is only one locking portion between adjacent fixing members.

DESCRIPTION OF SYMBOLS 1 ... Fixed release structure 3 ... Fixing member 5 ... Locking part 7 ... Release jig | tool 9 ... Recessed part 11 ... Engagement claw 13 ... Engagement hole part 15 ... Release part 17 ... Holding part 19 ... Guide part 21 ... Groove part 23 ... Part to be engaged

Claims (2)

Fixing provided with a plurality of fixing members, a locking portion that is provided between the adjacent fixing members and holds the assembled state of the adjacent fixing members, and a release jig that releases the locking of the locking portions A release structure,
The engaging portion includes an engaging claw provided in a recessed portion provided in one of the adjacent fixing members so as to be able to bend, and is inserted in the recessed portion provided in the other and adjacent to the engaging claw. An engaging hole portion that engages in the direction in which the fixing member is fitted,
The release jig is provided on a side opposite to the release portion, and a release portion that is inserted into the recess and bends the engagement claw to release the engagement between the engagement claw and the engagement hole portion. A holding portion that contacts the inner wall surface of the recess and holds the engagement release between the engagement claw and the engagement hole portion;
The concave portion is inclined in the insertion direction of the release portion toward the engagement claw and can be engaged with the holding portion, and the holding portion extends from the guide portion in the insertion direction of the release portion. An engaging groove,
A fixed release structure characterized in that an engaged portion is provided between the guide portion and the groove portion so as to be engageable in a detaching direction of the holding portion and the release portion. The unlocking structure according to claim 1,
A plurality of the locking portions are provided between the adjacent fixing members.

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