JP6868428B2 - Unfixed structure - Google Patents

Description

The present invention relates to an unfixed structure. More specifically, the present invention relates to a fixing release structure having a release jig for releasing a locking portion provided between adjacent fixing members.

Conventionally, as the locking portion in the fixing release structure, an engaging claw provided so as to be flexible in the electric junction box as one of the adjacent fixing members and an engaging claw provided in the bracket as the other are engaged. Those having an engaging hole portion to be fitted are known (see, for example, Patent Document 1).

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

Japanese Unexamined Patent Publication No. 9-103018

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

Therefore, in order to maintain the disengaged state of the locking portion, a disengaging jig for bending the engaging claw to disengage the engaging hole portion is engaged in 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 in 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 in the state where the stop portion is released.

However, when inserting the release jig into the recess, it is conceivable to provide a guide portion in the recess that is inclined in the insertion direction of the release jig toward the engaging claw, but the guide portion inserts the release jig. Since it becomes shallower in the direction, there is a risk that the release jig may be displaced or rotated with respect to the engaging claw.

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

Therefore, an object of the present invention is to provide a fixing release structure capable of improving release workability.

The invention of claim 1 wherein is an unlocking structure for releasing the engagement of the locking portion for holding the assembled state of the fixing member adjacent disposed between the plurality of fixing member by cancel jig, The locking portion is adjacent to the engaging claw provided in the recess provided in one of the adjacent fixing members and the engaging claw provided in the other and inserted into the recess. It has an engaging hole portion that engages in the disengagement direction of the fixing member that fits, and the releasing jig is inserted into the recess and bends the engaging claw to bend the engaging claw and the engaging hole portion. The disengagement portion that disengages from the engagement portion and the disengagement portion that protrudes toward the opposite side of the disengagement portion and abuts against the inner wall surface of the recess to hold the disengagement between the engagement claw and the engagement hole portion. and a holding portion, in the recess, characterized in that the engagement portion formed in the previous SL holder and engageable with the separating direction of the release portion of the stepped portion is provided.

In this fixing release structure, the recess is inclined toward the engaging claw in the insertion direction of the release portion to engage with the holding portion, and the recess is extended from this guide portion in the insertion direction of the release portion to form the holding portion. Since it has an engageable groove portion, the guide portion does not become shallow in the insertion direction of the release portion, and the release portion can be stably guided to the engagement claw.

Since a groove portion that can be engaged with the holding portion extends in the insertion direction of the releasing portion in this guide portion, the releasing portion can be stably guided to the engaging claw by engaging the groove portion and the holding portion. And the engaging claws can be reliably bent by the release portion.

Further, since an engaged portion that can be engaged in the disengagement direction of the holding portion and the disengaging portion is provided between the guide portion and the groove portion, the engaging hole portion pulled out from the recess and the disengaging portion interfere with each other. Even so, it is possible to prevent the release jig held from the recess from popping out.

Therefore, in such a fixing release structure, the release portion can be stably guided to the engaging claw, 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, a plurality of locking portions are provided between the adjacent fixing members. Therefore, when the adjacent fixing members are removed, the plurality of locking portions must be released at the same time.

Therefore, by inserting the release jig into each of the plurality of locking portions, the state in which the plurality of locking portions are released at the same time can be maintained, and the adjacent fixing members can be easily removed.

In addition, it is easy to disengage the engagement claw and the engagement hole by inserting the release jig into each of the plurality of locking portions, and the release jig is removed from the recess of the release jig when removing the adjacent fixing members. Since popping out is also prevented, it is possible to further improve the release workability when a plurality of locking portions are provided between adjacent fixing members.

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

It is an enlarged perspective view of a main part which made a part of the fixing release structure which concerns on embodiment of this invention a cross section. It is a front view of the engaging claw of the fixing release structure which concerns on embodiment of this invention. It is a front view of the engaging hole portion of the fixing release structure which concerns on embodiment of this invention. It is a perspective view which made a part of the fixing member of the fixing release structure which concerns on embodiment of this invention a cross section. It is a top view of the recess of the fixing release structure which concerns on embodiment of this invention. It is a bottom view of the recess of the fixing release structure which concerns on embodiment of this invention. It is a side view of the release jig of the fixing release structure which concerns on embodiment of this invention. It is sectional drawing at the time of pulling out the engaging hole part of the fixing release structure which concerns on embodiment of this invention from a recess. It is an enlarged view of the main part of FIG. It is sectional drawing when the release jig is pulled out from the state of FIG.

The fixing release structure according to the embodiment of the present invention is, for example, in a battery pack, between adjacent fixing members 3 and 3 in order to maintain an assembled state of a plurality of fixing members 3 accommodating a plurality of batteries. It is used to release 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. 1 to 10.

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

Further, the locking portion 5 is inserted into the engaging claw 11 provided in the recess 9 provided in one of the adjacent fixing members 3 and 3 so as to be flexible, and the engaging claw 11 provided in the other. It has an engaging hole portion 13 that engages with the engaging claw 11 in the disengagement direction of the fixing members 3 and 3 adjacent to each other.

Further, the release jig 7 is inserted into the recess 9 to bend the engagement claw 11 to release the engagement between the engagement claw 11 and the engagement hole portion 13, and the release portion 15 is opposite to the release portion 15. It is provided on the side and has a holding portion 17 that abuts on the inner wall surface of the recess 9 and holds the disengagement between the engaging claw 11 and the engaging hole portion 13.

The recess 9 is inclined toward the engaging claw 11 in the insertion direction of the release portion 15, and is extended from the guide portion 19 in the insertion direction of the release portion 15 to the guide portion 19 that can engage with the holding portion 17. It has a holding portion 17 and an engageable groove portion 21, and an engaged portion 23 that can be engaged in the disengagement direction of the holding portion 17 and the releasing portion 15 is provided between the guide portion 19 and the groove portion 21. ing.

Further, a plurality of locking portions 5 are provided between the adjacent fixing members 3 and 3.

As shown in FIGS. 1 to 10, each of the plurality of fixing members 3 is made of, for example, an insulating material such as synthetic resin or metal, and is formed in a housing shape, and a plurality of batteries (not shown) are inside. It is 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 adjacent fixing members 3 and 3 connect to each other (not shown). It is electrically connected via.

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 maintained via the plurality of locking portions 5.

Since the plurality of locking portions 5 have the same configuration, one locking portion 5 will be described below.

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

The engaging claw 11 is formed flexibly by one member continuous with the fixing member 3 in the recess 9 provided in one of the fixing members 3, and is projected in the recess 9.

When assembling the adjacent fixing members 3 and 3, the engaging claw 11 flexes by contacting with the edge of the engaging hole 13 provided in the other fixing member 3 inserted into the recess 9. When the engaging hole portion 13 is completely inserted into the recess 9, the engaging hole portion 13 is restored and engaged with the engaging hole portion 13.

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

The extension portion extending toward the recess 9 side in which the engagement hole portion 13 is provided is not limited to the metal member insert-molded in the other fixing member 3, for example, the other fixing member 3. It may be an extension portion formed in a shape that can be inserted into the recess 9 with one continuous member.

In the engaging hole portion 13, adjacent fixing members 3 and 3 are assembled, that is, in a state where the extending portion of the other fixing member 3 is inserted into the recess 9 of one fixing member 3. The engaging claws 11 are engaged, and the assembled state of the adjacent fixing members 3 and 3 is maintained.

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

The release jig 7 is made of, for example, a rigid metal material, is formed in a plate shape, has an L-shaped intermediate portion, is inserted into the recess 9, and has a release portion 15 that abuts on the engaging claw 11. , An operation in which an operator or the like grips the protruding holding portion 17 which is projected on the opposite side of the releasing portion 15 and abuts on the inner wall surface of the recess 9 and the releasing portion 15 and the holding portion 17 are inserted into the recess 9. It has a part 25.

In this release jig 7, the release portion 15 and the holding portion 17 are inserted into the recess 9 by the operation of the operation portion 25, so that the release portion 15 comes into contact with the engagement claw 11 and the engagement claw 11 is flexed. No, the engagement between the engagement claw 11 and the engagement hole 13 is released.

In the state where the releasing portion 15 bends the engaging claw 11, the holding portion 17 comes into contact with 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 causes the holding portion 17 to abut. 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.

As a result, the releasing portion 15 and the holding portion 17 are held in the recess 9 in a state where the locking portion 5 is disengaged.

By holding the release jig 7 in the recesses 9 in the state where the locking portions 5 are disengaged in this way, the other plurality of locking portions 5 are also disengaged by being inserted into the respective recesses 9. The jig 7 can be held in the recess 9 in a state where the locking portions 5 are disengaged, and it is not necessary to disengage the plurality of locking portions 5 at the same time.

A guide portion 19 and a groove portion 21 are provided in the recess 9 into which the release portion 15 and the holding portion 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. It is possible to engage with the holding portion 17.

The end of the guide portion 19 in the insertion direction of the release jig 7 is located in front of the engaging claw 11, and as the guide portion 19 advances toward the inner portion of the recess 9, particularly near the engaging claw 11. It is set so that it does not gradually become shallow.

By setting the guide portion 19 with respect to the recess 9 in this way, the holding portion 17 of the release jig 7 and the guide portion 19 can be stably engaged with each other, and misalignment and rotation can be prevented. The release portion 15 of the release jig 7 can be guided to the engaging claw 11.

Grooves 21 are continuously provided at the ends of the guide portion 19 in the insertion direction of the release jig 7.

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

After the holding portion 17 of the release jig 7 inserted into the recess 9 finishes engaging with the guide portion 19, the holding portion 17 is engaged with the groove portion 21, and the release portion 15 of the release jig 7 is engaged. The joint claw 11 is pressed to bend the engaging claw 11, and the holding portion 17 is brought into contact with the bottom portion of the groove portion 21 by the restoring force of the engaging claw 11.

Due to the contact between the bottom of the groove 21 and the holding portion 17 of the releasing jig 7, the releasing portion 15 and the holding portion 17 of the releasing jig 7 are recessed in a state where the locking portion 5 is disengaged. It can be held in 9.

By extending the groove portion 21 that can be engaged with the holding portion 17 of the releasing jig 7 with respect to the guide portion 19 in the insertion direction of the releasing jig 7, the holding portion 17 and the groove portion 21 can be engaged with each other. It can be continued stably, the disengagement portion 15 can be guided to the engaging claw 11 by preventing the displacement and rotation, and the engaging claw 11 can be reliably bent by the disengaging portion 15.

Between such a guide portion 19 and the groove portion 21, an engaged portion 23 that can be engaged in the direction of disengagement from the holding portion 17 of the release jig 7 and the recess 9 of the release jig 7 is provided. ..

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

Here, the engaging hole portion 13 can move in the direction of disengagement from the recess 9 in a state where the releasing jig 7 is held in the recess 9, that is, in a state where the locking portion 5 is disengaged. ..

Due to the movement of the engaging hole portion 13 in the disengagement direction from the recess 9, the opening edge portion of the engaging hole portion 13 comes into contact with the disengaging portion 15 of the releasing jig 7, and the disengaging jig 7 disengages from the recess 9. Move in the direction.

By moving the release jig 7 from the recess 9 in the disengagement direction, the holding portion 17 of the release jig 7 engages with the engaged portion 23 in the disengagement direction of the release jig 7.

Due to the engagement between the holding portion 17 of the release jig 7 and the engaged portion 23, the release jig 7 cannot move any further in the direction of disengagement from the recess 9, so that the engagement hole portion 13 and the engagement hole portion 13 can be disengaged. The engagement hole portion 13 cannot be pulled out from the recess 9 due to the contact of the tool 7 with the release portion 15.

From this state, the release jig 7 is tilted by the operation of the operation portion 25 of the release jig 7, the engagement between the holding portion 17 and the engaged portion 23 is released, and the release portion 15 and the holding portion 17 of the release jig 7 are released. And is pulled out from the recess 9.

As a result, there is no interference between the engaging hole portion 13 and the recess 9, the engaging hole portion 13 can be pulled out from the recess 9, and the assembly of the adjacent fixing members 3 and 3 can be released.

By engaging the holding portion 17 of the release jig 7 and the engaged portion 23 of the recess 9 in this way, the engaging hole portion 13 and the engaging hole portion 13 in the movement of the engaging hole portion 13 in the disengagement direction from the recess 9 It is possible to prevent the release jig 7 from popping out of the recess 9 due to the contact of the release jig 7 with the release portion 15.

In such a fixing release structure 1, the recess 9 is inclined toward the engaging claw 11 in the insertion direction of the release portion 15, and the guide portion 19 is capable of engaging with the holding portion 17, and the release portion 15 is released from the guide portion 19. Since the guide portion 19 does not become shallow in the insertion direction of the release portion 15 and has the groove portion 21 extending in the insertion direction of the release portion 17 and engaging with the holding portion 17, the release portion 15 can be stably engaged with the engagement 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 releasing portion 15 in the guide portion 19, the releasing portion 15 is stably engaged with 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 releasing portion 15.

Further, since the engaged portion 23 that can be engaged in the disengagement direction of the holding portion 17 and the releasing portion 15 is provided between the guide portion 19 and the groove portion 21, the engaging hole portion that is pulled out from the recess 9 is provided. Even if the release portion 15 and the release portion 15 interfere with each other, it is possible to prevent the release jig 7 held from the recess 9 from popping out.

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

Further, since a plurality of 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. ..

Therefore, by inserting the release jig 7 into each of the plurality of locking portions 5, the state in which the plurality of locking portions 5 are released at the same time can be maintained, and the adjacent fixing members 3 and 3 can be easily separated. Can be removed.

In addition, it is easy to disengage the engaging claw 11 and the engaging hole portion 13 by inserting the releasing jig 7 into each of the plurality of locking portions 5, and in removing the adjacent fixing members 3 and 3. Since the release jig 7 is also prevented from popping out from the recess 9, the release workability can be further improved when a plurality of 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, there are two plurality of fixing members, and the locking portion between the two fixing members is described, but the present invention is not limited to this, and a plurality of fixing members are fixed. The number of members may be three or more, and the fixing release structure of the present invention can be applied to the locking portion between adjacent fixing members.

Further, a plurality of locking portions are provided between adjacent fixing members, but the present invention is not limited to this, and the engagement between the engaging claw and the engaging hole portion is stabilized by the engagement between the holding portion and the groove portion. A structure that disengages and prevents the disengagement jig from popping out from the recess by engaging the holding portion and the engaged portion is effective even when there is only one locking portion between the adjacent fixing members.

1 ... Fixing release structure 3 ... Fixing member 5 ... Locking part 7 ... Release jig 9 ... Recession 11 ... Engagement claw 13 ... Engagement hole part 15 ... Release part 17 ... Holding part 19 ... Guide part 21 ... Groove part 23 ... Engaged part

Claims (2)

A unlocking structure for releasing the engagement of the locking portion for holding the assembled state of the fixing member adjacent disposed between the plurality of fixing member by cancel jig,
The locking portion is adjacent to the engaging claw provided in one of the adjacent fixing members so as to be flexible and inserted into the concave portion provided in the other. It has an engaging hole that engages in the disengagement direction of the fitting fixing member.
The release jig is directed toward 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, and a side opposite to the release portion. It has a holding portion that is projected and comes into contact with the inner wall surface of the recess to hold the disengagement between the engaging claw and the engaging hole portion.
Unlocking structure, wherein the recess is that the engagement portion formed in the previous SL holder and engageable with the separating direction of the release portion of the stepped portion is provided. The fixing release structure according to claim 1.
The locking portion is a fixing release structure characterized in that a plurality of the locking portions are provided between the adjacent fixing members.

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