JP2017222231A - Lid lock mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lid lock mechanism which can prevent generation of one side hooking state even if operation for closing an opening is performed at an end of a lid.SOLUTION: An opening formed in an interior member of a vehicle is so assembled to a lid as to be capable of opening and closing. A lock mechanism 50 of this lid is so configured that the lid is locked in a closed state when a pair of engaging parts 62, 72 assembled to the lid are engaged with a pair of engaged parts formed at an edge of the opening. The pair of engaging parts 62, 72 is configured from a rod 60 which is slidably assembled to the lid, and a ratchet 70 which is rotatably assembled to the lid. The ratchet 70 can be rotated so that engagement thereof with an engaged part corresponding to an engaging part 72 thereof tracks engagement thereof with the engaged part corresponding to the engaging part 62 of the rod 60.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a lid locking mechanism, and more specifically, a lid is assembled so as to be able to open and close an opening formed in an interior member of a vehicle, and a pair of engaging portions assembled to the lid is formed at an edge of the opening. The present invention relates to a lid locking mechanism in which a lid is locked in a closed state when engaged with a pair of engaged parts.

  Conventionally, a glove box 102 capable of storing small items (not shown) such as gloves is provided on the instrument panel 110 of the automobile 101 opposite to a passenger seat (not shown) (see FIGS. 13 to 14). The glove box 102 mainly includes a grab door 120 hinged to the instrument panel 110 so that an opening 112 provided in the instrument panel 110 can be opened and closed, and a closed state in which the grab door 120 closes the opening 112 of the instrument panel 110. When in the state, the grab door 120 includes a lock mechanism 150 that locks and unlocks (locks and unlocks) the instrument panel 110 (see FIGS. 15 to 17). The lock mechanism 150 can be unlocked (switchable from the locked state to the unlocked state) by operating the knob 134 assembled on the surface of the grab door 120. Therefore, when the grab door 120 is opened in the open state in which the lock mechanism 150 is unlocked by the operation of the knob 134 and the opening 112 of the instrument panel 110 is opened, the storage box 142 provided on the inner surface of the grab door 120 has a glove or the like. Small items can be stored.

JP2013-23159A

  However, in the technique of Patent Document 1 described above, the lock mechanism 150 mainly includes a pair of rods 160 and 170 that are slidably assembled to the grab door 120 and a link that synchronizes the slide of the pair of rods 160 and 170. The material 180 is comprised. The lock mechanism 150 is a pair of engaged portions in which the distal ends of the engagement portions 162 and 172 of the pair of rods 160 and 170 are formed on the left and right inner walls 112 a of the opening 112 of the instrument panel 110. Each of the concave holes 112b is configured to lock by engaging with each other (see FIG. 18). In other words, the lock mechanism 150 is configured to be locked by both engagement portions 162 and 172 of the pair of rods 160 and 170 with respect to the pair of recessed holes 112b.

  In such a grab door 120, for example, when the opening 112 of the instrument panel 110 is closed at the right end (see the arrow in FIG. 19), the right side of the grab door 120 is twisted (the right side of the grab door 120 is the left side). In some cases, the slope was more advanced). When the right side is twisted in this way, the engaging portion (tip) 162 of the rod 160 on the side (right side) on which the closing operation is performed is the rod on the side (left side) on which the closing operation is not performed. In some cases, the engaging portion (tip) 172 of 170 is engaged with the concave hole 112b in advance. At this time, a position shift (a shift between the position of the left concave hole 112b and the position of the engaging portion 172 of the left rod 170) may occur on the side (left side) where the closing operation is not performed. Therefore, since the engaging portion 172 of the rod 170 on the side (the left side) where the closing operation is not performed cannot be engaged with the concave hole 112b, the lock mechanism 150 is in a one-hanging state (a state in which only the right side is hooked). (See FIG. 19). As a result, even when the grab door 120 is locked in the closed state by the lock mechanism 150, the grab door 120 may be opened due to vibration caused by the traveling of the automobile. When the operation of closing the opening 112 of the instrument panel 110 is performed at the left end portion, for example, a phenomenon that is bilaterally symmetrical when performed at the right end portion described above (the lock mechanism 150 is in a single-hanging state (a state in which only the left side is applied)) ) Will occur.

  An object of the present invention is to provide a lid locking mechanism that can prevent a single-hanging state even if the opening is closed at the end of the lid. Is an issue.

The present invention is for achieving the above object, and is configured as follows.
According to the first aspect of the present invention, a lid is assembled so as to be able to open and close an opening formed in an interior member of a vehicle, and a pair of engagement portions assembled to the lid is formed at a pair of edges. This is a lid locking mechanism in which the lid is locked in the closed state when engaged with the engaging portion. The pair of engaging portions includes a rod assembled to be slidable with respect to the lid and a ratchet assembled to be rotatable with respect to the lid. The ratchet is rotatable so that the engagement with the engaged portion corresponding to the engaging portion follows the engagement with the engaged portion corresponding to the engaging portion of the rod.

  According to the first aspect of the present invention, for example, as described in the prior art, the rod engagement portion precedes the ratchet engagement portion by performing an operation of closing the opening of the instrument panel at the right end portion of the lid. Even when engaged with the engaged portion, unlike the prior art, the positional deviation generated on the side (left side) where the closing operation is not performed can be absorbed by the rotation of the ratchet. Therefore, the ratchet engaging portion is engaged following the engagement of the rod engaging portion. As a result, the lock mechanism does not enter a one-way state.

  Further, the invention according to claim 2 is the lid locking mechanism according to claim 1, wherein the ratchet is configured to release the engagement with the engaged portion corresponding to the engaging portion, and to engage the rod. Reverse rotation is possible so as to follow the cancellation of the engagement with the engaged portion corresponding to the joint portion.

  According to the invention of claim 2, the structure of the lock mechanism can be simplified.

It is a whole perspective view of the glove box of the car concerning an example. It is a figure which shows the state which opened the grab door of FIG. It is an enlarged view of the grab door of FIG. FIG. 4 is an exploded view of FIG. 3. It is an enlarged view of the principal part of FIG. It is the perspective view which looked at FIG. 4 from the other side. It is an enlarged view of the principal part of FIG. It is a schematic diagram of the cross section of the glove box of FIG. 1, and shows the time when the lock mechanism is in the locked state in the closed state of the grab door with the opening of the instrument panel closed. FIG. 9 shows a state where the knob is pulled to open the grab door from the state shown in FIG. 8. The open state of the grab door is shown from the state shown in FIG. FIG. 11 shows a state where the grab door is pushed in to close the grab door from the state shown in FIG. The state where the grab door is further pushed in from the state shown in FIG. 11 is shown. It is a whole perspective view of the glove box of the car concerning a prior art. It is a figure which shows the state which opened the grab door of FIG. It is an enlarged view of the grab door of FIG. It is an enlarged view of the locking mechanism of the glove box of FIG. It is an exploded view of the locking mechanism of FIG. It is a schematic diagram of the cross section of the glove box of FIG. 13, and is a figure which shows the double-hanging state of a locking mechanism. In FIG. 18, it is a figure which shows the one-hanging state of a locking mechanism.

  Hereinafter, the form for implementing this invention is demonstrated using FIGS. First, with reference to FIGS. 1-7, the whole structure of the glove box 2 of the motor vehicle 1 which concerns on the Example of this invention is demonstrated. In the following description, “car 1”, “instrument panel 10”, and “grab door 20” will be described as examples of “vehicle”, “interior member”, and “lid”. In the following description, “up”, “down”, “front”, “back”, “left”, and “right” refer to the directions of “up”, “down”, “front”, “back”, “left”, and “right” described in the above-described drawings. The direction of up, down, front, back, left and right is shown.

  The glove box 2 mainly includes a grab door 20 and a lock mechanism 50. Hereinafter, the grab door 20 and the lock mechanism 50 will be described individually (see FIG. 1).

  First, the grab door 20 will be described. The grab door 20 is constituted by a lid member hinged to the instrument panel 10 so as to be able to open and close a substantially rectangular opening 12 formed on the opposite side of a passenger seat (not shown) in the instrument panel 10 of the automobile 1. . The left and right inner walls 12a of the opening 12 of the instrument panel 10 can engage an engaging portion 62 of a rod 60 of a locking mechanism 50 described later and an engaging portion 72 of a ratchet 70 of a locking mechanism 50 described later. Recessed holes (engaged portions) 12b are respectively formed (see FIG. 2).

  As described above, the grab door 20 is composed of a lid member, and has a substantially rectangular door outer 30 corresponding to the opening 12 of the instrument panel 10, and a door inner 40 assembled to the inner surface (anti-design surface) of the door outer 30. (See FIGS. 3, 4 and 6). The outer surface of the door outer 30 is a design surface that is integrated with the design surface of the instrument panel 10. An opening 30a is formed in the upper right of the door outer 30 so as to penetrate the plate thickness.

  The door outer 30 is assembled with a base 32 having a recess 32a so as to close the opening 30a. An opening 32b is also formed in the recess 32a so as to penetrate the plate thickness. A knob 34 is pivotally attached to the recess 32a of the base 32 via a rotating shaft 34a whose substantially vertical direction forms an axial direction. At this time, a torsion spring 34 b is hung between the base 32 and the knob 34. As a result, the state before the operation of pulling the knob 34 can be constantly applied.

  A protrusion 34 c is formed on the inner surface of the knob 34 so as to protrude toward the front side through the opening 32 b of the base 32. A guide 36 having a bearing 36a capable of receiving a rotation shaft 74 of a ratchet 70 of the lock mechanism 50 described later is formed on the left side of the inner surface of the door outer 30. In addition, a guide 38 having a through hole 38 a into which a distal end side of a rod 60 described later can be inserted is formed on the right side of the inner surface of the door outer 30.

  On the other hand, a storage box 42 capable of storing small items (not shown) such as gloves is formed on the inner surface of the door inner 40. On the left and right edges of the door inner 40 are formed through holes 44 for advancing and retracting an engaging portion 62 of a rod 60 of a locking mechanism 50 described later and an engaging portion 72 of a ratchet 70 of a locking mechanism 50 described later. ing. In addition, lattice-like ribs 46 are formed on the outer surface of the door inner 40 to increase the rigidity of the door inner 40. In addition, this door inner 40 is assembled | attached to the inner surface of the door outer 30 so that the locking mechanism 50 mentioned later may be inserted | pinched.

  Next, the lock mechanism 50 will be described. The lock mechanism 50 is mainly composed of a rod 60 and a ratchet 70 (see FIGS. 5 and 7). The tip of the rod 60 serves as an engaging portion 62 for the concave hole 12b of the inner wall 12a on the right side of the opening 12 of the instrument panel 10 described above. The engaging portion 62 is formed with an inclined surface 62a so that the rod 60 slides (retreats) to the left when the engaging portion 62 itself interferes with the edge 12c of the opening 12.

  The base end of the rod 60 is a clamping portion 64 having a long hole 64a capable of clamping a clamped shaft 76 of a ratchet 70 of the lock mechanism 50 described later. Further, a first through hole 66 having an inner wall 66a is formed on the tip side of the rod 60. A second through hole 68 having an inner wall 68a having a cam surface is formed on the proximal end side of the rod 60. The distal end side of the rod 60 formed in this way is inserted into the through hole 38 a of the right guide 38 of the door outer 30.

  On the other hand, the ratchet 70 is formed with an engaging portion 72 for the concave hole 12b of the inner wall 12a on the left side of the opening 12 of the instrument panel 10 described above. Further, the ratchet 70 includes a rotation shaft 74 that can be received by the bearing 36 a of the guide 36 of the door outer 30, a clamped shaft 76 that can clamp the clamping portion 64 of the rod 60, and a second through hole 68 of the rod 60. A pin 78 that can be pressed against the inner wall 68a is formed.

  The ratchet 70 formed in this way is pivotally attached to the bearing of the guide 36 of the door outer 30 via the rotary shaft 74 with the pinched shaft 76 being pinched by the pinching portion 64 of the rod 60. Accordingly, when the rod 60 is slid to the left with respect to the door outer 30, the ratchet 70 can be reversely rotated with respect to the door outer 30 by the clamping portion 64.

  When the rod 60 slid to the left is returned to the state before the slide (slid to the right), the ratchet 70 can be rotated with respect to the door outer 30 by pressing the inner wall 68a. At this time, a tension spring 30 b is hung between the door outer 30 and the rod 60. Thereby, the door outer 30 can always be urged | biased in the state before operation (before operation which slides to the left). The glove box 2 is composed of the grab door 20 and the lock mechanism 50.

  Then, with reference to FIGS. 8-12, operation | movement of the glove box 2 which consists of the structure mentioned above is demonstrated. In this description, as shown in FIG. 8, the grab door 20 will be described from the closed state in which the opening 12 of the instrument panel 10 is closed. When the grab door 20 is closed, the lock mechanism 50 is also locked, as is apparent from FIG.

  The locked state of the locking mechanism 50 is that the rod 60 and the ratchet 70 are engaged with each other. That is, the engagement state of the rod 60 means that the engagement portion 62 of the rod 60 advances from the right through hole 44 of the door inner 40, and the engagement portion 62 of the rod 60 that has advanced advances to the right side of the instrument panel 10. It is the state engaged with the concave hole 12b. The engagement state of the ratchet 70 is that the engagement portion 72 of the ratchet 70 advances from the left through hole 44 of the door inner 40, and the engagement portion 72 of the advanced ratchet 70 is located on the left side of the instrument panel 10. It is the state engaged with the concave hole 12b.

  First, an operation for opening the grab door 20 in the closed state will be described. First, from the state shown in FIG. 8, the knob 34 of the grab door 20 is pulled against the urging force of the torsion spring 34b (see FIG. 9). Then, as shown in FIG. 9, the protrusion 34 c of the knob 34 presses against the inner wall 66 a of the first through hole 66 of the rod 60. Thereby, the rod 60 slides to the left against the urging force of the tension spring 30b.

  Therefore, the engagement of the engaging portion 62 of the rod 60 with the concave hole 12b on the right side of the instrument panel 10 is released. At this time, the sandwiching portion 64 of the rod 60 slid to the left pushes the sandwiched shaft 76 of the ratchet 70. Thereby, the ratchet 70 rotates reversely so that the engagement of the engagement portion 72 of the ratchet 70 with the left recessed hole 12b of the instrument panel 10 is released. The lock mechanism 50 is switched to the unlocked state by the slide of the rod 60 and the reverse rotation of the ratchet 70.

  The unlocked state of the lock mechanism 50 is a state in which the engagement between the rod 60 and the ratchet 70 is released. That is, the state in which the engagement of the rod 60 is released means that the engagement portion 62 of the rod 60 is released from the engagement with the concave hole 12b on the right side of the instrument panel 10 and the rod is released from this engagement. This is a state in which the 60 engaging portions 62 retreat into the right through hole 44 of the door inner 40.

  The state in which the ratchet 70 is disengaged means that the engagement portion 72 of the ratchet 70 is disengaged from the left recessed hole 12b of the instrument panel 10 and the ratchet 70 is disengaged. This is a state in which the engaging portion 72 of 70 is retracted into the left through hole 44 of the door inner 40. When the lock mechanism 50 is switched to the unlocked state in this way, the grab door 20 can be opened in the open state in which the opening 12 of the instrument panel 10 is opened, as in the prior art. Accordingly, small items can be stored in the storage box 42 provided on the inner surface of the opened grab door 20 (see FIG. 10).

  When the operation of pulling the knob 34 is canceled, the knob 34 is returned to the state before the operation by the restoring force of the torsion spring 34b. Then, the pressing of the projection 34c of the knob 34 against the inner wall 66a of the first through hole 66 of the rod 60 is canceled, and the rod 60 is also returned to the state before the slide by the restoring force of the tension spring 30b. Therefore, the engaging portion 62 of the rod 60 is also returned to the state where it has advanced from the right through hole 44 of the door inner 40. At this time, the inner wall 68a of the second through hole 68 of the rod 60 returned to the state before the slide presses the pin 78 of the ratchet 70. Therefore, the ratchet 70 rotates so that the engaging portion 72 of the ratchet 70 is also returned to the state where it has advanced from the through hole 44 of the door inner 40.

  Next, the operation of closing the grab door 20 in the open state will be described. First, the grab door 20 is closed from the state shown in FIG. 10 so that the opening 12 of the instrument panel 10 is closed. Then, as shown in FIG. 11, the inclined surface 62 a of the engaging portion 62 of the rod 60 interferes with the edge 12 c of the opening 12 of the instrument panel 10. From the state shown in FIG. 11, an operation of further closing the grab door 20 is performed.

  Then, the rod 60 that interferes with the inclined surface 62a of the engaging portion 62 on the edge 12c of the opening 12 of the instrument panel 10 slides to the left against the urging force of the tension spring 30b. At this time, the sandwiching portion 64 of the rod 60 slid to the left pushes the sandwiched shaft 76 of the ratchet 70. Thereby, the ratchet 70 rotates reversely in the direction in which the engagement of the engaging portion 72 of the ratchet 70 is released (see FIG. 11).

  From the state shown in FIG. 11, an operation of further closing the grab door 20 is performed (see FIG. 12). Then, the inclined surface 62 a of the engaging portion 62 of the rod 60 gets over the edge 12 c of the opening 12 of the instrument panel 10. By overcoming this, the grab door 20 is returned to the closed state in which the opening 12 of the instrument panel 10 is closed (see FIG. 8). Further, the rod 60 is also returned to the state before the slide by the restoring force of the tension spring 30b due to overcoming. Therefore, the rod 60 is also returned to the engaged state (a state in which the engaging portion 62 of the rod 60 is engaged with the concave hole 12b on the right side of the instrument panel 10).

  At this time, the inner wall 68a of the second through hole 68 of the rod 60 returned to the state before the slide presses the pin 78 of the ratchet 70. Therefore, the ratchet 70 rotates so that the engaging portion 72 of the ratchet 70 advances from the left through hole 44 of the door inner 40. Therefore, since the ratchet 70 is also returned to the state before the reverse rotation, the ratchet 70 is also in the engaged state (the engagement portion 72 of the ratchet 70 is engaged with the concave hole 12b on the left side of the instrument panel 10). Returned. In this way, the lock mechanism 50 is also returned to the locked state.

  The glove box 2 according to the embodiment of the present invention is configured as described above. According to this configuration, the locking mechanism 50 of the glove door 20 of the glove box 2 is locked by the engagement of the rod 60 and the engagement of the ratchet 70. The engagement of the ratchet 70 is performed following the engagement of the rod 60, and is performed by the rotation of the ratchet 70. Therefore, as described in the prior art, the engaging portion 62 of the rod 60 is recessed ahead of the engaging portion 72 of the ratchet 70 by performing an operation of closing the opening 12 of the instrument panel 10 at the right end portion of the grab door 20. Even if engaged with the hole 12 b, unlike the prior art, the positional deviation generated on the side (left side) where the closing operation is not performed can be absorbed by the rotation of the ratchet 70. Therefore, the engagement portion 72 of the ratchet 70 is engaged following the engagement of the engagement portion 62 of the rod 60. As a result, the lock mechanism 50 is not in a one-hanging state (a state in which only the right side is hooked).

  Even when the opening 12 of the instrument panel 10 is closed at the left end portion of the grab door 20, the engaging portion 62 of the rod 60 is recessed ahead of the engaging portion 72 of the ratchet 70 in the same manner as described above. It will be engaged with the hole 12b. Therefore, similarly to the above description, the positional deviation that occurs on the side where the closing operation is not performed (left side) can be absorbed by the rotation of the ratchet 70. Therefore, the engagement portion 72 of the ratchet 70 is engaged following the engagement of the engagement portion 62 of the rod 60. As a result, the lock mechanism 50 is not in a one-hanging state (a state in which only the right side is hooked).

  Further, since the number of parts of the lock mechanism 50 is 2 (rod 60 and ratchet 70), compared with the lock mechanism 150 of the prior art in which the number of parts is 3 (a pair of rods 160, 170 and link member 180). The number of parts can be reduced.

  Further, according to this configuration, the ratchet 70 can be reversely rotated so that the engagement of the engaging portion 72 of the ratchet 70 is also followed by the cancellation of the engagement of the engaging portion 62 of the rod 60. Yes. Therefore, the structure of the lock mechanism 50 can be simplified.

  The contents described above are only related to one embodiment of the present invention, and do not mean that the present invention is limited to the above contents.

  In the embodiment, the mode in which the lock mechanism 50 is unlocked by the operation of pulling the knob 34 has been described. However, the present invention is not limited to this, and any type of knob 34 such as an operation of pushing the knob 34 or an operation of sliding the knob 34 may be used.

  In the embodiment, “car 1”, “instrument panel 10”, and “grab door 20” have been described as examples of “vehicle”, “interior member”, and “lid”. However, it is not limited to this, “vehicle” is “various vehicles (for example, trucks)”, “interior member” is “various boxes (for example, console boxes)”, and “ "Lid" may be "various box lids (for example, console box lids)".

  Moreover, in the Example, the storage box 42 which can store an accessory demonstrated the form currently formed in the inner surface of the door inner 40. FIG. However, the present invention is not limited to this, and the storage box 42 that can store small items may be formed in the opening 12 of the instrument panel 10. In that case, the door inner 40 may simply be a panel member that forms the inside of the grab door 20.

1 Automobile (vehicle)
10 Instrument panel (interior material)
12 Opening 12c Edge 20 Grab door (lid)
50 Locking mechanism 60 Rod 62 Engaging portion 70 Ratchet 72 Engaging portion

Claims (2)

When a lid is assembled so as to be able to open and close an opening formed in an interior member of the vehicle, and a pair of engaging portions assembled to the lid engage with a pair of engaged portions formed at the edge of the opening A lid locking mechanism in which the lid is locked in a closed state,
The pair of engaging portions is
A rod assembled slidably with respect to the lid;
And a ratchet assembled rotatably with respect to the lid,
The ratchet is a lid that can rotate so that the engagement with the engaged portion corresponding to the engaging portion follows the engagement with the engaged portion corresponding to the engaging portion of the rod. Locking mechanism. The lid locking mechanism according to claim 1,
The ratchet can be rotated in reverse so that the engagement with the engaged portion corresponding to the engaging portion can be canceled and the engagement with the engaged portion corresponding to the engaging portion of the rod can be followed. The lid locking mechanism.

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