JPH08105260A - Sealing housing device - Google Patents

Abstract

PURPOSE: To hold watertightness between both case half bodies by providing a pressing protruding part protrusively from the bottom part of a flexure absorbing groove to the inside of a fit-in groove at the time of jointing a pair of case half bodies. CONSTITUTION: In a case half body 63, a pressing protruding part 63a opposed to the cross direction center part of a fit-in groove 62a in the jointed state of the case half body 63 to the other case half body 62 is formed over the whole periphery of a seal part 63h. A seal member 70 is fitted into the fit-in groove 62a of the case half body 62, and required electric equipment is attached. After fitting a motor 82 or the like to the other case half body 63, fixing screws are screwed into threaded holes 71, 72 from corresponding threaded holes 75, 76. The seal member 70 is crushed hard at the cross direction center part by the pressing protruding part 63a biting in from the upper part so as to be pushed open laterally and at the same time swollen upward being regulated by the inner wall of the fit-in groove 62a, thereby generating flexure 70K. At this time, a flexure absorbing groove 63j is positioned above the seal member 70, so that this flexure 70K is accommodated in the flexure absorbing groove 63j.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a sealable housing device for holding members contained therein in a watertight manner.

[0002]

2. Description of the Related Art For example, a door lock control device having a lock release prohibiting function for setting the door so that the door does not open even if an outside handle provided on a door of a vehicle is operated is operated by an outside handle. It has a control lever that can be opened by rotating the door and unlocks the door by the outside handle when the lock release prohibition function is activated. . There is a door lock control device capable of electrically operating the interlock between the outside handle and the door lock mechanism by a lock switch provided on the driver side. In this control device,
Some include a motor actuator that uses a motor housed in a housing as a drive source to connect and disconnect the outside handle and the door lock mechanism.

By the way, some of the motor actuators are housed in a sealable housing device composed of a pair of case halves joined together through a waterproof seal member. In such a sealable housing device, a seal member is interposed between a pair of case halves, and the case halves crush the seal members to maintain watertightness therebetween.

This sealable housing device has a fitting groove extending along the outer periphery of one of the two case halves, and the other of the two halves.
Having a pressing protrusion with a flat tip along the outer periphery,
At the time of joining, the seal member fitted in the fitting groove is pressed by the pressing projection. However, according to such a joint structure, the sealing member only flexes widely when crushed by the flat tip portion of the pressing projection, so that the sealing member does not come into close contact with both sides of the pressing projection. Only close to the tip of the protrusion. In the sealable housing device having such a structure, when the case halves are bent and the screws tightening them are loosened, such as when they are left at a high temperature, there is a comparatively large gap between the raised pressing protrusion and the seal member. There is a problem that a gap is easily formed and watertightness is impaired.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and provides a sealable housing device capable of always reliably maintaining watertightness between a pair of case halves. With the goal.

[0006]

SUMMARY OF THE INVENTION To achieve the above object, the present invention comprises a pair of case halves that are joined to each other, and is fitted into a fitting groove provided in one of the seal portions of the pair of case halves. In the sealable housing device in which the pressing protrusion provided on the other seal portion of the pair of case halves is brought into pressure contact with the second seal member to maintain the watertightness between the two case halves, the other side is fitted with the above-mentioned fit. A flexure absorption groove for absorbing the flexure of the seal member is formed so as to face the insertion groove, and the pressing projection is inserted from the bottom of the flexion absorption groove to the inside of the insertion groove when the pair of case halves are joined. It is characterized in that it is provided so as to project to one side.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below with reference to illustrated embodiments. 9 and 10 are a plan view and a side view showing a door lock control device for switching the operating force of the inside handle and the outside handle to be transmitted or not transmitted to the door lock mechanism.

The door lock control device 11 has a base 12 having a plurality of pin holes. The control lever 15 and the rotation operating lever 16 are coaxial with each other and the rotation operating lever 16 controls the base 12 via the first rotation supporting pin 13 fitted into one of the plurality of pin holes. It is pivotally mounted so that it can be located on the lever 15. Further, the locking lever 40 is attached to the base 12 via a third rotation support pin 41 fitted in one of the plurality of pin holes.
Are pivotally mounted so that they can be located on the rotary operation lever 16. A childproof lever 19 is also pivotally mounted on the base 12 via a second pivotal support pin 17 fitted in one of a plurality of pin holes, with its guide groove 32 superposed on the control lever 15. It is worn.

As shown in FIG. 16, the control lever 15 engages the abutting portion 21 that abuts when the turning operation lever 16 turns counterclockwise and the pressing operation portion 55a of the fourth operating rod 55. It has an engaging portion 22 for rotating the lever 15 counterclockwise and an operation switching groove portion 23.
The operation switching groove 23 is formed in a hook shape, and pushes the second engaging protrusion 50c of the operating pin 50 and presses the second engaging protrusion 50c and the second engaging protrusion 50c. It has an engagement releasing portion 23b for releasing the engagement relationship with the second engagement protrusion 50c.

As shown in FIGS. 9, 13 and 17, the child proof lever 19 is formed in a flat plate shape, and has a rotation support hole 33 through which the second rotation support pin 17 penetrates and a sliding guide snap member. It has a guide groove 32 for slidingly guiding the sliding contact cylindrical portion 56c of 56. The child proof lever 19 is constantly urged to rotate clockwise in FIG. 13 by an urging means (not shown). Normally, the pressing operation portion of the fourth operation rod 55 connected to the child proof lever 19 is operated. 55a is the engaging portion 22 of the control lever 15.
Is held in contact with. In this state,
Fifth connected to a child proof mechanism (not shown)
When the operation rod 57 is operated in the direction of arrow C in FIG. 13 by the operation of the child proof mechanism, the child proof lever 19 is rotated counterclockwise in FIG. 13 to move the pressing operation portion 55a of the fourth operation rod 55. It can be separated from the engaging portion 22.

As shown in FIG. 18, the turning operation lever 16 has a pin hole 20 through which the first turning support pin 13 penetrates, and an operation formed along the longitudinal direction of the turning operation lever 16. It has a pin guide groove 30. The locking lever 40, as shown in FIG.
An arc-shaped guide groove 47 for slidingly guiding the engagement protrusion 50b,
The rotation support hole 46 formed near one side of the guide groove 47.
have.

A first operation rod 31 connected to a door lock mechanism is provided in the rotation support hole 28 of the rotation operation lever 16.
Are connected via a rotation supporting snap member 34. The rotation support hole 46 of the locking lever 40 has a second
The operation rod 49 is connected. The second operation rod 49 includes a key device (not shown) on the out handle side,
It is connected to a lock switch (not shown) provided on the driver side. Further, in the guide groove 32 of the child proof lever 19, a fourth operation rod 55 connected to an inside handle (not shown) is attached to the sliding guide snap member 5.
It is connected via 6.

Referring to FIGS. 14 and 15, the control lever 15, the rotating operation lever 16 and the locking lever 40 are shown.
The connection structure of will be described. These control levers 1
5, the turning operation lever 16 and the locking lever 40 are stacked with the operation switching groove portion 23, the operation pin guide groove 30 and the guide groove 47 aligned, respectively, and the operation pin 50 is penetrated in the vertical direction in the figure. . The operation pin 50 has a bulging portion 50a, and has a first engaging protrusion 50b and a second engaging protrusion 50c above and below the bulging portion 50a. Bulge 50
a is positioned on the operation pin guide groove 30 of the rotary operation lever 16, the first engaging projection 50b extending upward is inserted into the guide groove 47, and the second engaging projection 50c extending downward is operated by the control lever 15. It is inserted into the switching groove portion 23.
When the second operating rod 49 moves leftward or rightward in FIG. 9 to move the operating pin 50 to the engagement release portion 23b of the operation switching groove portion 23 or the pressing operation portion 23a side, the locking lever 40 moves. It is held on its moved side by a snap mechanism.

Next, the second operating rod 4 is driven by the operation of a lock switch (not shown) provided on the driver side.
A motor actuator that uses the motor 82 (FIG. 3) as a drive source for pulling the motor 9, and a sealable housing device that houses the motor actuator will be described. The sealable housing device 60 is a door lock control device 1
1 (FIG. 9), which has a seal side case member 62 and a motor side case member 63, which are a pair of case halves.

The seal side case member 62 is shown in FIGS.
As shown in FIG.
g and the fitting groove 6 formed over the entire circumference of the outer peripheral edge portion (sealing portion) 62h that is a joint surface between the motor side case member 63 and
2a, a plurality of screw holes 71 and 72, and an opening portion 93 corresponding to the cut portion 70j. The seal side case member 62 also has conductive terminals 94 and 95 (FIG. 2) electrically connected to the receptacle recesses 97a and 97b of the motor 82 at positions corresponding to the motor 82 fixed to the motor side case member 63. Have fixed. The conductive terminals 94 and 95 are connected to the receptacle recesses 97a and 9a.
It has plug convex portions 94a and 95a to be inserted into 7b and is connected to the harness 81.

A seal member 7 fitted in the fitting groove 62a.
As shown in FIG. 2 and FIG. 4, 0 is the fitting portion 70a that is uniformly fitted in the fitting groove 62a, and the upper surface of the motor 82 (see FIG. 3).
Motor supporting portion 70 for elastically supporting the surface of the sheet facing upward in the drawing)
b, stopper portions 70c and 70d for restricting both rotating ends 84a and 84b of the rotating sector gear 84, and a retaining portion 70e.
The gate opening 70f and the cutout portion 70j through which the harnesses 74 and 81 pass are integrally provided. In the seal member 70, the stopper portions 70c and 70d are fitted into the fitting portion 62c,
62d, the retaining portion 70e is fitted in the insertion portion 62i, and the fitting portion 70a is fitted in the fitting groove 62a, resulting in the state of FIG. In the figure, 73a, 73b
Are terminals that come into contact with terminals 85 and 86 provided on the rotating sector gear 84 shown in FIG. 3, respectively, and are connected to the harness 74.

As shown in FIG. 3, the motor side case member 63 has screw holes 71, 72 of the seal side case member 62.
And screw holes 75 and 76 respectively corresponding to the above.
The motor side case member 63 also fixes the motor 82 at a position corresponding to the conductive terminals 94 and 95 shown in FIG. 2, and rotates the worm wheel 78 that meshes with the worm gear 77 attached to the rotation shaft 82a of the motor 82. Supports freely. Further, the motor side case member 63 supports a rotating sector gear 84 which is rotatable around a rotation supporting shaft 89, in which a gear portion 84c is meshed with a pinion 79 which is integral with the worm wheel 78.

The worm wheel 78 has a hollow inside, and a torsion spring (not shown) for returning to the initial position is housed in the hollow portion. The gear ratio between the worm gear 77 and the worm wheel 78 is set to a ratio at which the worm wheel 78 can be rotated to rotate the worm gear 77 in a free state where the motor 82 is not driven.
Therefore, when the voltage is not applied to the motor 82 and the driving is stopped, the worm wheel 78 is returned to the initial position by the rotational biasing force of the return torsion spring.
At the time of returning to the initial position, the worm wheel 78 has a play between the actuating arm 64 and the locking lever 40 which is pulled and switched by the second operating rod 49 and is held by the snap mechanism. , Returns to the initial position without affecting the locking lever 40.

As shown in FIGS. 3 and 5, the motor side case member 63 is provided with a pressing projection 63a facing the widthwise central portion of the fitting groove 62a when joined to the seal side case member 62. It is formed over the entire circumference of the outer peripheral edge portion (seal portion) 63h. The pressing protrusion 63 a effectively presses the seal member 70 fitted in the fitting groove 62 a of the seal-side case member 62, and the flexure 70 of the seal member 70.
It is configured so that k can be generated on the fitting groove 62a side. That is, the pressing protrusion 63a is provided on both case members 6
At the time of joining 2, 63, the tip is formed in a tapered shape with a small curvature so as to protrude from the bottom portion 63k of the flexure absorption groove 63j to the inside of the fitting groove 62a. The pressing protrusion 63a is provided in the widthwise center of the bottom portion 63k of the flexure absorption groove 63j so as to be able to advance to the widthwise center of the fitting groove 62a when the pair of case members 62, 63 are joined. Has been. The bending absorbing groove 63j is formed in the motor side case member 63 so as to face the fitting groove 62a and to extend over the entire circumference of the outer peripheral edge portion 63h, and the pressing protrusion 63a presses the seal member 70. When this is done, the bulge 70k is pushed up by the pressing protrusion 63a and bulged by being blocked by the inner wall of the fitting groove 62a.
Can be absorbed.

The assembling work of the sealable housing device 60 having such a structure is performed as follows. First, with respect to the seal side case member 62, the fitting groove 62a
The seal member 70 is fitted to the motor side case member 6
3, the conductive terminals 94 and 95 are fixed to the position corresponding to the motor 82 via the fixing means, and the terminals 73a are fixed to the positions corresponding to the terminals 85 and 86 on the motor side case member 63 side via another fixing means. Fix 73b. Then, the conductive terminals 97a, 97b on the seal side case member 62 side
The motor side case member 63 in which the motor 82 is fixed at the position corresponding to and the worm wheel 78, the rotating sector gear 84, and the like are assembled, the outer peripheral edge portion 63h is aligned with the outer peripheral edge portion 62h, and the motor 82 The receptacle recesses 97a and 97b are joined together while being aligned with the plug protrusions 94a and 95a (FIG. 1). In this state, the fixing screws 69 are screwed into the corresponding screw holes 71 and 72 from the corresponding screw holes 75 and 76, respectively.

Then, the central portion of the sealing member 70 in the width direction is strongly crushed by the pressing protrusion 63a that bites in from above, and is expanded toward the lower left and right of the pressing protrusion 63a, and at the same time, the fitting groove. Since it is restricted by the inner wall of 62a, it cannot bulge downward, and both sides of the pressing protrusion 63a are raised upward, causing a deflection 70k. At this time, since the flexure absorption groove 63j is located above the seal member 70, the flexure 70k is accommodated in the flexure absorption groove 63j and is in the state shown in FIG.

In this state, the portion into which the pressing protrusion 63a has entered is in close contact with both side surfaces of the pressing protrusion 63a due to the reaction force, and the bending 70k that has entered the bending absorbing groove 63j is the pressing protrusion. Both sides of 63a and the flexure absorption groove 63
strongly adheres to the inner wall of j. Therefore, while the sealable housing device 60 is left under high temperature, both case members 6 are
Even if the fixing screws 69 are slightly loosened due to the bending of the fixing screws 69 due to heat of the reference numerals 63, the seal member 70 follows the slightly protruding pressing protrusions 63a and the inner walls of the protrusions 63a and the bending absorbing grooves 63j. Watertightness is not impaired by maintaining close contact with. Further, according to the seal structure of the present sealable housing device 60, since the protrusion amount of the pressing protrusion 63a with respect to the fitting groove 62a is sufficiently large, the seal member 70 is sinked at the time of molding or both case members. Even if the 62 and 63 warp due to heat or the like, the seal member 70 absorbs the deformation due to the sink marks and the warp.
It is possible to make the pressure contact force with respect to the entire circumference uniform, so that it is possible to obtain a seal structure that is not affected by moldability. The sealable housing device 60 thus assembled is fixed to an appropriate position on the base 12 via a fixing screw or the like, as shown in FIGS. 9 and 10.

In this embodiment, the tip of the pressing protrusion 63a is formed in a tapered shape having a small curvature. However, as shown in FIG. 7, the pressing protrusion having an R surface having a large curvature is used. It can also be configured as the portion 63a '.

A door lock control device 11 having the above structure
When the outside handle 14 (FIG. 13) is operated to unlock the door lock mechanism and open the rear door, the following operates. First, when the outside handle 14 is lowered, the control lever 15 is pressed downward in FIG. 13, whereby the control lever 15 rotates about the first rotation support pin 13 in the counterclockwise direction in FIG. To be done. At this time, since the operation pin 50 is located in the pressing operation portion 23a of the operation switching groove 23, the pressing operation portion 23a presses the second engagement protrusion 50c in the same direction. Thereby, the second engagement protrusion 50c
Rotates the rotation operation lever 16 counterclockwise about the first rotation support pin 13. Therefore, the rotation operation lever 1
The first operation rod 31 connected to 6 can be moved downward in FIG. 13, and a door lock mechanism (not shown) can be operated to open the rear door.

When the inside handle provided in the vehicle is operated, the fourth operating rod 55 is moved to the right in FIG. 13, and the tip end of the fourth operating rod 55 is guided along with the sliding guide snap member 56 into the guide groove. Move to the right of FIG. At this time, since the pressing operation portion 55a of the fourth operation rod 55 is in contact with the engaging portion 22 of the control lever 15, the pressing operation portion 55a moves the engaging portion 22 by pushing it in the same direction. Control lever 15
Is rotated counterclockwise in the same manner as when the outside handle 14 is operated to release the door lock mechanism and open the rear door.

When prohibiting the unlocking by the door lock mechanism, a method of operating a key device (not shown) on the outside handle side and a method of operating a lock switch (not shown) on the driver side. There is. First, when the key device is operated to prohibit the lock release, the locking lever 40 is operated clockwise by the operation of the key device about the third rotation support pin 41 via the second operation rod 49. Guide groove 4 that moves in the same direction as
7, the operation pin 50 is moved in the operation switching groove 23. As a result, the operation pin 50 located on the pressing operation portion 23a as shown in FIG. 14 is moved to the engagement release portion 23b as shown in FIG. 15, so that the control lever 15 is rotated counterclockwise. The engagement releasing portion 23b holds the second engagement protrusion 50c in an idle state. In this state, even if the outside handle 14 or the fourth operation rod 55 is operated, the rotation operation lever 16 cannot be rotated via the operation pin 50, so the door lock mechanism is operated. The rear door cannot be opened.

When lock release is prohibited by operating a lock switch (not shown) provided on the driver's side, a voltage is applied to the motor 82 when the lock switch is turned on, and the worm gear rotated by the voltage is applied. 77, worm wheel 78, pinion 79 and rotating sector gear 84
The actuating arm 64 is rotated counterclockwise in FIG. 9 to move the second operating rod 49 leftward in FIG. As a result, the locking lever 40 is rotated in the clockwise direction in the figure, so that unlocking by the door lock mechanism is prohibited in the same manner as when the key device is operated.

When the driver operates the child proof mechanism to activate the child proof function, first, the child proof switch (not shown) is turned on, and the fifth operating rod 57 is moved to the arrow C in FIG. Move in the direction. This allows the child proof lever 19
Is rotated counterclockwise in the figure around the second rotation support pin 17. Then, the pressing operation portion 55 a that is in abutting engagement with the engagement portion 22 is separated from the engagement portion 22 by the rotation of the child proof lever 19, and therefore the control lever 15 cannot be operated by the fourth operation rod 55. It becomes a state. Therefore, even if the fourth operating rod 55 (inside handle) is operated, the control lever 1
Since the 5 cannot be rotated, the rear door cannot be opened.

[0029]

As described above, according to the present invention, the bending absorbing groove for absorbing the bending of the seal member is formed in the other of the pair of case halves, the bending absorbing groove facing the one fitting groove, and is pressed. Since the projecting portion is provided so as to project from the bottom of the flexure absorbing groove to the inside of the fitting groove when the pair of case halves are joined, the seal member is pressed against the case halves extremely effectively. Therefore, it is possible to provide the sealable housing device which can always reliably maintain the watertightness between the case halves.

[Brief description of drawings]

FIG. 1 is a sectional view taken along line II in FIG. 11 showing a sealing housing device according to the present invention.

FIG. 2 is a view taken along the line II-II in FIG. 8 showing the seal side case member of the sealable housing device in a state where the seal member is assembled.

FIG. 3 is a view taken along line III-III in FIG. 8 showing the motor-side case member of the same sealable housing device in an assembled state of a motor and the like.

FIG. 4 is a perspective view showing a state in which a seal side case member and a seal member of the same sealable housing device are not yet assembled.

FIG. 5 is an enlarged cross-sectional view showing a main part of the same sealing housing device.

FIG. 6 is a cross-sectional view showing a main part of the same sealable housing device in an enlarged manner when the seal side case member and the motor side case member are joined.

FIG. 7 is an enlarged cross-sectional view showing a main part of another embodiment of the same sealing housing device when the seal side case member and the motor side case member are joined.

FIG. 8 is a side view showing the overall structure of the same sealing housing device.

FIG. 9 is a plan view showing the overall structure of a door lock control device provided with the same sealable housing device.

FIG. 10 is a side view showing the overall structure of the door lock control device.

FIG. 11 is a front view showing the overall structure of the sealable housing device according to the present invention.

FIG. 12 is a front view showing the sealable housing device with an operating lever removed.

FIG. 13 is a front view showing an enlarged main part of the door lock control device.

FIG. 14 is a perspective view partially showing a structure for continuously opening and closing a control lever, a rotation operation lever, and a locking lever of the door lock control device.

15 is a perspective view showing a state in which the operation of the door lock mechanism by the control lever is disabled in FIG.

FIG. 16 is a front view showing a control lever of the door lock control device.

FIG. 17 is a front view showing a child proof lever of the door lock control device.

FIG. 18 is a front view showing a turning operation lever of the door lock control device.

FIG. 19 is a front view showing a locking lever of the door lock control device.

[Explanation of symbols]

 60 Sealing Housing Device 62 Seal Side Case Member (Case Half) 62a Fitting Groove 62h Outer Edge (Seal) 63 Motor Side Case Member (Case Half) 63a 63a 'Pressing Protrusion 63h Outer Edge (Seal) Part) 63j flexure absorption groove 63k bottom part 70 seal member 70k flexure

Front page continuation (72) Inventor Kazuo Ikeda 30 Oshima, Kitazaki-cho, Obu-shi, Aichi Prefecture

Claims (6)

[Claims] 1. A pair of case halves joined to each other, wherein a seal member fitted in a fitting groove provided in a seal portion of one of the pair of case halves is attached to the pair of case halves. By pressing the pressing projection provided on the other seal,
A sealable housing device for maintaining watertightness between both case halves, wherein a bending absorbing groove for absorbing bending of a sealing member, which is opposed to the fitting groove, is formed on the other side, and the pressing protrusion is provided. Is provided so as to project from the bottom of the flexure absorbing groove to the inside of the fitting groove when the pair of case halves are joined. 2. The sealable housing device according to claim 1, wherein the pressing projection has a shape capable of causing the sealing member to bend on the side of the fitting groove due to the pressure contact thereof. 3. The sealable housing device according to claim 2, wherein the pressing protrusion has a curved front end portion that comes into contact with the seal member. 4. The sealable housing device according to claim 3, wherein a tip portion of the pressing protrusion is tapered with a reduced curvature. 5. The sealable housing device according to claim 3, wherein the tip end portion of the pressing protrusion has an R shape with a large curvature. 6. The pressing protrusion according to claim 1, wherein the pressing protrusion is provided at a center portion in the width direction of a bottom portion of the bending absorbing groove, and advances to the center portion in the width direction of the fitting groove when the pair of case halves are joined. Sealing housing device.