JP3659131B2 - Inside handle structure of vehicle door - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an inside handle structure that is suitable for use in a vehicle door, particularly a cab-over truck door.
[0002]
[Prior art]
An example of a door structure provided on the cab side in a conventional cab over type truck will be described with reference to the schematic side view of FIG. In the figure, reference numeral 10 generally indicates a door provided on the side of the cab. The door 10 is limited by a door body 12 composed of an outer panel and an inner panel, and a sash 14 above the door body 12. The window opening 16 is provided with a window glass 18 that is moved up and down by a manual or electric window regulator (not shown) housed in a space between the outer panel and the inner panel of the door body 12. ing. In some cases, the window glass 18 is divided forward and backward by a vertical sash 20 indicated by a one-dot chain line in the figure, and a window glass 18f that does not move up and down is attached to the front triangular window portion, and the rear of the vertical sash 20 is provided. The window glass 18r may be configured to be moved up and down by the window regulator.
[0003]
The door 10 has a front end edge of the door body 12 pivoted to a front structural member that limits the door opening of the cab, such as a front pillar, by a hinge, and a rear end portion of the door body 12 has a door opening of the cab. There is provided a door lock device 22 including a latch member that controls opening and closing of a door in cooperation with a rear structural member that limits the opening and closing, for example, a striker provided on a side wall member. Furthermore, in a position where an occupant in the vicinity of a substantially central portion in the vehicle front-rear direction adjacent to the waistline 24 formed by the upper edge of the door body 12, that is, the lower edge of the window opening 16, is easy to operate in a state where it is seated on the seat, An inside handle 26 for opening the door 10 from the inside of the vehicle interior is provided, and a lock knob 28 is provided adjacent to the inside handle 26.
[0004]
The inside handle 26 is operatively connected to a latch member in the door lock device 22 via a first actuating member 30 such as a transmission rod or cable, and the lock knob 28 is a second actuating member 32 such as a transmission rod or cable. It is connected to the door lock device 22 via As is well known to those skilled in the art, when the lock knob 28 is operated in the locked position, the latch member in the door lock device 22 is released even if the inside handle 26 is operated in the opening direction. Although it is not displaced to the locked position and is held at the locked position engaged with the striker on the vehicle body side, when the lock knob 28 is operated to the unlocked position, the inside handle 26 is operated in the opening direction. Thus, the latch member in the door lock device 22 is disengaged from the striker on the vehicle body side, so that the door 10 can be opened.
[0005]
In the truck door 10 as described above, the visibility of occupants, particularly the driver, has been increased recently to improve the visibility of pedestrians and other vehicles, and the interior of the vehicle is brightened to improve the comfortability. From the viewpoint of design to improve the merchantability, there is an attempt to set the window opening 16 wide by lowering the waist line 24. In this case, the area of the door body 12 is reduced by the amount of the lower waistline 24, and the relationship with the window regulator, the music speaker, other members, parts, etc. accommodated in the space between the outer panel and the inner panel. From the arrangement, the inner handle 26 and the lock knob 28 are arranged at a position where the occupant can easily operate, and transmission rods, cables and the like for operatively connecting the inner handle 26 and the lock knob 28 and the door lock device 22 are arranged. There arises a technical problem that it is difficult to obtain a configuration that satisfies the simultaneous arrangement of the first and second actuating members 30 and 32 while avoiding interference with other members.
[0006]
[Problems to be solved by the invention]
The present invention was devised in view of the above circumstances, and by taking a sufficiently large area of the window opening in the vehicle door, the field of view of the occupant, particularly the driver, is widened to improve driving safety, and the vehicle interior. Enhances comfortability by improving the comfort of the product and lowering the waistline, improving the product quality by improving the appearance of the design, placing the inside handle and the lock knob in a convenient position for operation, It is an object of the present invention to provide an inside handle structure for a vehicle door in which the first and second actuating members that operatively connect the handle and the lock knob and the door lock device can be easily arranged.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the present invention is disposed above a waist line along a waist line forming a lower edge of a window opening of a vehicle door and an inner surface of a window glass provided in the window opening of the door. Between the two waist bars and in the vicinity of the fixing point between the waist line and the front end of the waist bar, and one end of which is rotatable about the axis of the first support shaft extending in the vertical direction. A first handle connected to the inner handle and connected to the first handle connected to the inner handle and disposed in the door main body below the waistline and for locking and unlocking the door lock device. The lever member is disposed in the vicinity of the inside handle between the waist line and the waist bar, and is rotatable about the axis of the second support shaft extending in the vertical direction. A lock knob that is held and is connected to the lock knob and disposed in the door body, and the door lock device cannot be unlocked at the first rotation position of the lock knob in spite of the unlocking operation of the inside handle. And a second lever member connected to a second actuating member that permits unlocking of the door lock device by an unlocking operation of the inside handle at a second rotational position of the lock knob. An inside handle structure for a vehicle door is provided.
In the present invention, it is preferable that the first support shaft and the second support shaft are composed of the same shaft member formed integrally.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to FIGS. In addition, the same code | symbol is used for the member and part which are substantially the same as or correspond to the conventional vehicle door demonstrated with reference to FIG. 10, and duplication description is abbreviate | omitted.
First, FIG. 1 is an enlarged side view of an essential part of an inside handle 26 and a lock knob 28 attached portion of a door 10 in a cab of a cab over type truck as viewed from the inside of the vehicle interior. The door 10 shown in the drawing, as described above, widens the driver's field of view and improves driving safety, brightens the interior of the vehicle, improves the comfort, and improves the appearance of the product. The window opening 16 is set to be wide from the viewpoint of, for example, improving the waistline, and accordingly, the waist line 24 formed by the lower edge of the window opening 16 is set to be low.
[0009]
In this case, since the height of the door main body 12 is relatively decreased with respect to the predetermined height of the door 10, when the window glass 18 is lowered to the lowermost position, the upper edge of the window glass 18 is the waist line 24. It protrudes further upward. Therefore, when the window glass 18 is fully opened and the driver moves backward while viewing a part of the body through the window and sees the rear, the elbow and lower arm are in contact with the upper edge of the thin window glass 18. Conventionally, a waist bar 34 extending in the vehicle front-rear direction along the inner side surface of the window glass 18 is provided above the waist line 24. The waist bar 34 is a member of the same kind as that conventionally called by various names such as a guard bar, a protect bar, and a door bar.
[0010]
As shown in the side view of FIG. 1 and the cross-sectional view of FIG. 2, the inner handle 26 and the lock knob 28 are disposed between the waist bar 34 and the waist line 24 that limits the lower end edge of the window opening 16. Preferably, the waist bar 34 is disposed in a substantially triangular space between the front end inclined portion 36 formed to fix the front end of the waist bar 34 to the door body 12 and the waist line 24. As shown partially in FIG. 2, the door body 12 includes an outer panel 38 and an inner panel 40, and the inner panel 40 is reinforced at its upper end by a lean reinforcement 42. The upper ends of the outer panel 38, the inner panel 40, and the lean reinforcement 42 are integrally fixed by spot welding or the like to form a flange, and the flange is provided with a draining lip 44 that abuts against the inner surface of the window glass 18. A weather strip 46 is mounted, and the upper surface of the weather strip 46 forms the waist line 24. Further, a trim 48 is mounted on the inner surface of the inner panel 40 on the passenger compartment side.
[0011]
The waist bar 34 is a member made of a resin material in which a steel plate core material 50 for maintaining strength is embedded, and a portion where the inner handle 26 and the lock knob 28 are disposed in a front portion of the core material 50. A suitable number of support arms 52 extending downward in FIG. A support plate 54 is fixed to the support arm 52 by screws or other arbitrary fixing tools, and a pair of upper and lower brackets 56 extending toward the vehicle interior protrude from the rear end portion of the support plate 54 in the front-rear direction. It is installed. A first support shaft 58a that rotatably supports one end of the inside handle 26 and a second support shaft 58b that rotatably supports the lock knob 28 are integrally coupled to the upper and lower brackets 56. The upper and lower ends of a support shaft 58 formed as the same shaft extending in the vertical direction are supported.
[0012]
The inner handle 26 and the lock knob 28 are accommodated in a decorative inner cover 60 made of a resin material mounted on the support plate 54 on the vehicle interior side, and the side of the support plate 54 on the vehicle exterior side is a window. Since it is visible through the glass 18, it is covered with an outer cover 62 interposed between the waist bar 34 and the weather strip 46, as shown in FIG.
A base portion 26a through which the support shaft 58 of the inner handle 26 is inserted is provided with an extension portion 26b extending downward, and a first lever member 64 is integrally formed at the lower end of the extension portion 26b. Yes. Near one end of the first lever member 64, one end of a first operating member 30 such as a transmission rod or cable for operatively connecting the inner handle 26 and the door lock device 22 is connected. The extension 26b has a partial annular shape or a bowl-shaped cross-section formed concentrically with the axis of the support shaft 58, as shown in the cross-sectional views of FIGS.
[0013]
The base 28a through which the support shaft 58 of the lock knob 28 is inserted is provided with a projection 66 on the outer peripheral surface, which serves as a handle when the occupant rotates, and the extension 26b of the inner lever 26 is rotatable. An annular groove 68 is provided in the housing. The annular groove 68 is provided with an opening or a notch portion 70 that allows the first lever member 64 to pass through at a portion on the diametrically opposite side with respect to the projection 66, and in the circumferential direction by the bridge portion 72 on the projection 66 side. It is divided into. Further, the base portion 28a is provided with an extension portion 28b extending downward, and a second lever member 74 is integrally formed at the lower end of the extension portion 28b. Near one end of the second lever member 74, one end of a second operating member 32 such as a transmission rod or a cable that operatively connects the lock knob 28 and the door lock device 22 is connected. As shown in FIG. 2, the inner handle 26 has a free spring that serves as an occupant's operating portion by a return spring 76 that is a torsion spring that is externally fitted to a support shaft 58 in a space 26c. The end portion is always elastically biased in the direction in which the end portion is accommodated in the inner cover 60.
[0014]
The first lever member 64 provided at the lower end of the extension portion 26b of the inner handle 26 and the second lever member 74 provided at the lower end of the extension portion 28b of the lock knob 28 are well shown in FIG. Since the upper end portion of the door body 12 is housed in the trim 48, the first and second actuating members 30 are not interfered with the window regulator, the speaker, and other members housed in the door body 12. And 32 can be arranged. The perspective view of FIG. 3 is a view of the inner handle structure shown in FIG. 1 as viewed from the outside of the passenger compartment and slightly from the rear.
[0015]
4 to 7 are cross-sectional views taken along the line ZZ in FIG.
4 and 5 show a state in which the lock knob 28 is rotated to the lock position or the first position. In FIG. 4, the inside handle 26 resists the biasing force of the return spring 76 and opens the door. The case where it is rotated is shown. At this time, since the door lock device 22 is held in a locked state via the second actuating member 32 by the second lever member 74 provided at the lower end of the extension portion 28b of the lock knob 28, even if the inside handle 26 is 4, even if the first operating member 30 connected to the first lever member 64 at the lower end of the extension 26b only performs an invalid stroke, the door lock device 22 is not unlocked. . In FIG. 5, the lock knob 24 is operated to the lock position, and the inside handle 26 is held in the inoperative or rest position by the return spring 76, so that the door lock device 22 is of course locked. .
[0016]
6 and 7 show a state in which the lock knob 28 is rotated to the unlocked position, that is, the second position. In FIG. 6, the inside handle 26 rotates in the door opening direction against the urging force of the return spring 76. Indicates the case where it was moved. At this time, since the door lock device 22 is unlocked via the second actuating member 32 by the second lever member 74 provided at the lower end of the extension portion 28b of the lock knob 28, the inside handle 26 is shown in FIG. , The door lock device 22 is unlocked via the first operating member 30 connected to the first lever member 64 at the lower end of the extension portion 26b, and the door 10 can be opened. Become. Further, in FIG. 7, since the inside handle 26 is held in the non-actuated or resting position by the return spring 76, the door lock device 22 is not unlocked even if the lock knob 28 is operated to the unlock position, and of course the door 10 is locked in the closed position.
[0017]
Next, the sectional view of FIG. 8 and the perspective view of FIG. 9 show a modified embodiment of the embodiment shown in FIGS. 2 to 7, and members and parts substantially the same as or corresponding to the former inside handle structure. Are given the same reference numerals. In addition, the relative arrangement | positioning of the inside handle structure with respect to the door 10 is common in both, Therefore, the said description regarding FIG. 1 is applied substantially similarly to the said deformation | transformation embodiment.
In this modified embodiment, the extension portion 26b of the inside handle 26 is concentrically fitted to the support shaft 58 and extends downward, and a first lever member 64 is formed at the lower end portion thereof. On the other hand, the base portion 28a of the lock knob 28 is rotatably fitted to the extension portion 26b (therefore, the support shaft 58 is rotatably fitted via the extension portion 26b), and extends downward from the base portion 28a. A second lever member 74 is provided at the lower end of the extension portion 28b.
[0018]
A connecting member 78 made of a resin material that connects one end of the first operating member 30 made of a cable, for example, can be freely rotated around the axis of the mounting hole 80 at the free end portion of the first lever member 64. It is installed. Also, a connecting tool 78 similar to the above is mounted on the free end of the second lever member 74 so that it can freely rotate about the axis of the mounting hole 82. The base knob 28a of the lock knob 28 and the upper end large diameter portion 28b 'of the extension 28b are formed with a notch 70 extending in the radial direction for allowing the first handle member 64 of the inner handle 26 to pass therethrough. Yes. Further, the base portion 26a of the inner handle 26 has a cavity 26c for accommodating the return spring 76, which is recessed at the top.
[0019]
Also in the inner handle structure according to this modified embodiment, the main part including the inner handle 26 and the operation part of the lock knob 28 is disposed between the upper end edge of the door body 12, that is, the waist line 24 and the waist bar 34. Since the portions 26b and 28b extend inside the door main body 12 and the first and second lever members 64 and 74 are disposed in the door main body 12 at the lower ends of the respective portions, interference with other members in the door main body 12 occurs. The first and second actuating members 30 and 32 can be easily arranged while avoiding the above. As a result, there is an advantage that the area of the window glass 18 can be sufficiently widened to broaden the driver's field of view and improve the driving safety, and the interior of the vehicle can be brightened to improve the comfort. 24 is lowered to improve the appearance of the design and improve the merchantability.
[0020]
In each of the above embodiments, the first support shaft 58a that supports the inner handle 26 and the second support shaft 58b that supports the lock knob 28 are integrally coupled to form the same shaft member 58. Although illustrated, the first support shaft 58a and the second support shaft 58b can be separate shaft members, and the support shafts 58a and 58b do not need to be disposed on the same axis line. They may be arranged to have separate axes that are parallel or substantially parallel to each other.
[0021]
【The invention's effect】
As described above, the inside handle structure for a vehicle door according to the present invention includes a waist line that forms a lower edge of the window opening of the vehicle door and an inner surface of the window glass provided in the window opening of the door. A first support shaft that is interposed between a waist bar disposed above the waist line and in the vicinity of a fixing portion between the waist line and the front end of the waist bar, and one end portion of which extends in the vertical direction. An inside handle that is supported so as to be rotatable about an axis of the first door, and a first handle that is connected to the inside handle and is disposed in the door body below the waist line and performs locking and unlocking operations of the door lock device. A first lever member coupled to the actuating member, and a second lever disposed between the waist line and the waist bar in the vicinity of the inside handle and extending vertically. A lock knob supported rotatably about the axis of the holding shaft, and connected to the lock knob and disposed in the door main body, and is used for unlocking the inside handle at a first rotation position of the lock knob. Nevertheless, the second operation of holding the door lock device in an unlockable state and allowing the door lock device to be unlocked by the unlocking operation of the inside handle at the second rotation position of the lock knob. And a second lever member connected to the member. The door opening is sufficiently wide to increase the driver's field of view and improve the driving safety and lighten the passenger compartment. In a cab that has improved merchantability and improved merchantability by lowering the waistline and improving the appearance, it is easy to operate when the passenger opens and closes the door from the passenger compartment An operating member such as a transmission rod and a cable that operatively couples the inside handle and the lock nop to the door lock device, and other parts in the door body. Since it can be easily arranged so as to avoid interference with auxiliary equipment and the like, it is industrially beneficial.
Furthermore, in the above-described inside handle structure, the first support shaft that rotatably supports the inside handle and the second support shaft that rotatably supports the lock knob are configured by the same shaft member that is integrally formed. Thus, there is an advantage that a structure that is simple and inexpensive can be provided.
[Brief description of the drawings]
FIG. 1 is a side view of an essential part of an inside handle structure according to the present invention as viewed from the inside of a vehicle interior.
2 is a cross-sectional view taken along line II-II in FIG.
FIG. 3 is a perspective view showing an extracted main part of the inside handle structure shown in FIG. 2;
4 is a cross-sectional view of an essential part taken along line ZZ in FIG. 2 and shows a case where the inside handle 26 is operated in the opening direction when the lock knob 28 is in a locked state.
5 is a cross-sectional view of the main part along the line ZZ in FIG. 2, showing a case where the lock knob 28 is in a locked state and the inside handle 26 is in an inoperative state.
6 is a cross-sectional view of an essential part taken along line ZZ in FIG. 2, and shows a case where the inside handle 26 is operated in the opening direction when the lock knob 28 is unlocked.
7 is a cross-sectional view of a main part taken along line ZZ in FIG. 2, showing a case where the lock knob 28 is unlocked and the inside handle 26 is inoperative.
FIG. 8 is a cross-sectional view of the main part similar to FIG. 2 showing a modified embodiment of the present invention.
9 is an exploded perspective view of a main part of the inside handle structure shown in FIG.
FIG. 10 is a schematic side view showing a door structure in a conventional cab over type truck.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 ... Door, 12 ... Door main body, 14 ... Sash, 16 ... Window opening, 18 ... Window glass, 22 ... Door lock device, 24 ... Waist line, 26 ... Inside handle, 26a ... Base of inside handle, 28 ... Lock knob, 28a ... Base of the lock knob, 30 ... First actuating member, 32 ... Second actuating member, 34 ... Waist bar, 48 ... Trim, 50 ... Steel plate core material, 52 ... Support arm, 54 ... Support plate, 56 ... Bracket, 58 ... support shaft, 58a ... first support shaft, 58b ... second support shaft, 60 ... inner cover, 62 ... outer cover, 64 ... first lever member, 74 ... second lever member.

Claims (2)

Between the waist line forming the lower edge of the window opening of the vehicle door and the waist bar disposed above the waist line along the inner surface of the window glass provided at the window opening of the door , and the above An inside handle that is interposed in the vicinity of a fixing portion between the waist line and the front end of the waist bar, and whose one end is rotatably supported about the axis of the first support shaft extending in the vertical direction, and the inside handle A first lever member connected to a first actuating member connected to the first actuating member for locking and unlocking the door lock device, the waist line and the waist It is disposed in the vicinity of the inside handle between the bars, and the lock knob which is rotatably supported around the second support shaft axis extending in the vertical direction, the Rokkuno The door lock device is held in an unlocked state in spite of the unlocking operation of the inside handle at the first rotation position of the lock knob, and is disposed in the door body. And a second lever member coupled to a second actuating member allowing the unlocking of the door lock device by an unlocking operation of the inside handle at a second rotational position of the lock knob. Inside handle structure for vehicle doors. 2. The inside handle structure for a vehicle door according to claim 1, wherein the first support shaft and the second support shaft are formed of the same shaft member formed integrally.

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