JP2007009479A - Inside door handle device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an inside door handle device which can reduce the number of components for a bushing to the utmost, when bushings have to be installed to a plurality of places. <P>SOLUTION: This inside door handle device comprises: a shaft 3 which is supported on a base member 2; a handle 4 and a lock knob 5, which are turnably supported on the shaft 3 and arranged adjacently to each other; and a connecting rod 9 which links the lock knob 5 to a door lock mechanism. In the integral-type bushing, a sliding bushing part, which is interposed between the handle 4 and the lock knob 5, and the shaft, and a bushing part for the rod, which is interposed between the lock knob 5 and the connecting rod 9 as a communication means for the knob, are integrally provided in the inside door handle device. The integral-type bushing is mounted on the lock knob 5. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an inside door handle device that is provided on a vehicle compartment side of a door and includes a handle and a lock knob.

  As a conventional inside door handle device, there is one disclosed in Patent Document 1. As shown in FIG. 16, the inside door handle device 100 has a base member 101 fixed to a door panel (not shown), and the handle 103 and the lock knob 104 are adjacent to the base member 101 via a shaft 102. It is supported so that it can rotate freely. The handle 103 is rotated between a door open position and a door closed position, and this rotation operation is transmitted to a door lock mechanism (not shown). The lock knob 104 is rotated between a lock position and an unlock position, and this rotation operation is transmitted to a door lock mechanism (not shown) via a knob transmission means (not shown).

  When the lock knob 104 is located at the lock position, the door lock mechanism (not shown) is not unlocked even if the handle 103 is rotated from the door closed position to the door open position, and the door (not shown) is opened. I can't open it. When the lock knob 104 is located at the unlock position, the door lock mechanism (not shown) is unlocked by opening the door 103 (not shown) by rotating the handle 103 from the door closed position to the door open position. Can be done.

By the way, in order to reduce the sliding resistance when the handle 103 or the lock knob 104 is rotated, a bush is interposed between the inner peripheral surface of the shaft holes 103a and 104a of the handle 103 or the lock knob 104 and the outer peripheral surface of the shaft 102. It is generally done. Further, a connecting rod (not shown) of a knob transmission means (not shown) is connected to the lock knob 104. In order to prevent the so-called rattling noise generated by the connecting lock (not shown) during travel. In addition, a bush is generally interposed between the inner peripheral surface of the connecting hole (not shown) of the lock knob 104 and the outer peripheral surface of the connecting rod (not shown). Further, in order to prevent the stopper hitting sound of the lock knob 104, the stopper contact surfaces (not shown) at the lock position and the lock release position of the lock knob 104, or the stopper portions (not shown) with which the lock knob 104 abuts. It is common practice to place a bushing on the surface.
JP 7-259393 A

  However, as described above, when it is desired to reduce the sliding resistance and the vibration damping at the contact / connection part between the parts, if a bush is provided for each part, a large number of bushes are required. For this reason, the number of parts increases and the number of assembling steps increases due to the fine parts, resulting in high costs.

  Therefore, an object of the present invention is to provide an inside door handle device that can reduce the number of parts of a bush as much as possible when it is necessary to take measures against the bush at a plurality of locations.

  The invention according to claim 1, which achieves the above object, includes a shaft supported by a base member, a handle rotatably supported by the shaft and disposed adjacent to each other, a lock knob, the lock knob, and a door lock mechanism. In the inside door handle device comprising a connecting rod for linking with each other, a sliding bush portion interposed between the handle and the lock knob and the shaft, and interposed between the lock rod and the connecting rod of the knob transmission means An integrated bush including a rod bush portion integrally mounted on the lock knob is provided.

  According to a second aspect of the present invention, there is provided a shaft supported by the base member, a handle rotatably supported on the shaft and disposed adjacent to each other, a lock knob, and a lock knob disposed on the base member and rotating. An inside door handle device comprising: a stopper portion that abuts and restricts a rotation range of the lock knob between a lock position and a lock release position; and a connecting rod that links the lock knob and the door lock mechanism. A bushing portion for the rod interposed between the connecting rods of the transmission means for the knob, and a bushing portion for the stopper interposed between the locking knob and the stopper portion in a state where the locking knob is located at the locking position and the unlocking position. An integral type bush having an integral part is mounted on the lock knob.

  According to a third aspect of the present invention, there is provided a shaft supported by the base member, a handle rotatably supported by the shaft and disposed adjacent to each other, a lock knob, and a lock knob that is disposed on the base member and rotates. An inside door handle device comprising: a stopper portion that abuts and restricts a rotation range of the lock knob between a lock position and an unlock position; and a connecting rod that links the lock knob and a door lock mechanism. A sliding bush portion interposed between the lock knob and the shaft, a rod bush portion interposed between the lock knob and the connecting rod of the knob transmission means, and the lock knob at the lock position and the unlock position. In this state, the stopper bush portion interposed between the lock knob and the stopper portion is integrated. E was integral bushing is characterized in that it is attached to the lock knob.

  According to the first aspect of the present invention, the sliding resistance of the handle and the lock knob can be reduced and the so-called rattling noise of the connecting rod can be dealt with by assembling a single integrated bush.

  According to the second aspect of the present invention, the so-called rattling noise of the connecting rod and the stopper hammering noise of the lock knob can be dealt with by assembling a single integral bush.

  According to the invention of claim 3, reduction of sliding resistance of the handle and the lock knob, generation of so-called rattling noise of the connecting rod, and generation of stopper hitting sound of the lock knob are dealt with by assembling a single integrated bush. it can.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  1 to 15 show an embodiment of the present invention, FIG. 1 is an exploded perspective view of a main part of an inside door handle device, FIG. 2 is a front view of the inside door handle device, and FIG. 3 is a bottom view of the inside door handle device. 4 is a cross-sectional view taken along line AA of FIG. 3, FIG. 5 is a cross-sectional view taken along line BB of FIG. 2, FIG. 6 is an exploded perspective view of the lock knob and the integrated bush, and FIG. 8 is an exploded perspective view of the assembled state of the bush, FIG. 8 is a front view of the assembled state of the lock knob and the integrated bush, FIG. 9 is a sectional view taken along the line CC of FIG. 8, and FIG. 11 is a front view of the integrated bush, FIG. 12 is a rear view of the integrated bush, FIG. 13 is a left side view of the integrated bush, FIG. 14 is a right side view of the integrated bush, and FIG. It is E line sectional drawing.

  As shown in FIGS. 1 to 5, the inside door handle device A includes a base member 2 fixed to a door panel 1 (shown in FIG. 5), a shaft 3 supported by the base member 2, and a shaft 3. A handle 4 that is rotatably supported, a lock knob 5 that is rotatably supported by the shaft 3 at a position adjacent to the handle 4, an opening of the trim 6, and a recess plate 2a of the base member 2 (shown in FIG. 5). And an escutcheon 7 (shown in FIG. 5) arranged so as to close the gap from the passenger compartment side.

  The base member 2 has a shaft hole 2b at an upper end portion and a lower end portion, and a shaft 3 is penetrated through the shaft hole 2b. The shaft 3 is a cylindrical rod and is formed of a highly rigid metal material.

  The handle 4 has a shaft hole 4a at one end thereof, and the shaft 3 is inserted into the shaft hole 4a. The handle 4 is rotated between the door closed position and the door open position about the shaft 3 as an axis. A spring force of a spring 8 acts on the handle 4 and is biased toward the door closing position. The rotation operation of the handle 4 is transmitted to a door lock mechanism (not shown) via a handle transmission means (not shown).

  The lock knob 5 has a shaft hole 5a at one end thereof, and the shaft 3 is inserted into the shaft hole 5a. The lock knob 5 is rotated between a lock position and a lock release position with the shaft 3 as an axis. The lock knob 5 is formed with a connection hole 5b, and one end side of a connection rod 9 of a knob transmission means (not shown) is connected to the connection hole 5b. The rotation operation of the lock knob 5 is transmitted to a door lock mechanism (not shown) via a knob transmission means (not shown).

  As shown in detail in FIGS. 6 to 10, the lock knob 5 is formed with a groove 5c into which the bush is inserted, and the integral bush 10 is assembled by being inserted into the bush insertion groove 5c.

  As shown in detail in FIGS. 6 to 15, the integrated bush 10 is formed of a resin, rubber, or the like that is a low friction coefficient material and excellent in shock absorption, and is inserted into the bush insertion groove 5 c. And two cylindrical sliding bush portions 10b and 10c provided on one end side of the base plate portion 10a and projecting on both surfaces, and a substantially cylindrical rod provided on the other end side of the base plate portion 10a. A bush portion 10d and two stopper bush portions 10e and 10f provided from the other end of the rod bush portion 10d are provided.

  A part of the base plate portion 10 a is interposed between the handle 4 and the lock knob 5. One sliding bush portion 10 b is interposed between the inner peripheral surface of the shaft hole 4 a of the handle 4 and the outer peripheral surface of the shaft 3. The other sliding bush portion 10 c is interposed between the inner peripheral surface of the shaft hole 5 a of the lock knob 5 and the outer peripheral surface of the shaft 3. The rod bush portion 10 d is interposed between the inner peripheral surface of the connecting hole 5 b and the outer peripheral surface of the connecting rod 9. The two stopper bush portions 10e, 10f are arranged on the stopper surfaces of the lock knob 5 at the lock position and the lock release position. As shown in FIG. 5, the lock knob 5 is brought into contact with the stopper portions 2c and 2d of the base member 2 via the stopper bush portions 10e and 10f at the lock position and the lock release position.

  In the above configuration, when the lock knob 5 is located at the lock position, the door lock mechanism (not shown) is not unlocked even if the handle 4 is rotated from the door closed position to the door open position, and the door (see FIG. I can't open it. When the lock knob 5 is located at the unlock position, the door lock mechanism (not shown) is unlocked and the door (not shown) is opened by rotating the handle 4 from the door closed position to the door open position. Can do.

  When the handle 4 and the lock knob 5 are rotated, the handle 4 and the lock knob 5 slide with respect to the shaft 3 via the sliding bush portions 10b and 10c, so that they are smoothly rotated with a small sliding resistance. Further, since the base plate portion 10a of the integral bush 10 is interposed between the handle 4 and the lock knob 5, the handle 4 and the lock knob 5 have a small sliding resistance in the axial direction, which also ensures smooth rotation. ing. Further, while the vehicle is traveling, the connecting rod 9 of the knob transmission means (not shown) vibrates. However, since the vibration of the connecting rod 9 is attenuated (absorbed) by the rod bush portion 10d, so-called rattling noise is generated. Occurrence is prevented. Furthermore, when the lock knob 5 is rotated to the locked position or the unlocked position, the lock knob 5 abuts against the stopper portions 2c and 2d of the base member 2 via the stopper bush portions 10e and 10f. Occurrence is prevented.

  As described above, in the inside door handle apparatus A described above, the sliding resistance of the handle 4 and the lock knob 5 is reduced, the so-called buzzing sound of the connecting rod 9 and the stopper hitting sound of the lock knob 5 are generated in a single integrated type. This is dealt with by assembling the bush 10. Therefore, when it is necessary to take a bush countermeasure at a plurality of locations, the number of bush parts is reduced, the number of assembly steps is reduced, and the cost is reduced.

  The integrated bush 10 of the above embodiment includes the sliding bush portions 10b and 10c, the rod bush portion 10d, and the stopper bush portions 10e and 10f, but the sliding bush portions 10b and 10c and the rod use. The thing provided with the bush part 10d may be sufficient. Further, a rod bush portion 10d and stopper bush portions 10e and 10f may be provided. Furthermore, as long as the installation conditions are satisfied, the sliding bush portions 10b and 10c and the stopper bush portions 10e and 10f may be provided.

1 is an exploded perspective view of a main part of an inside door handle device according to an embodiment of the present invention. 1 is a front view of an inside door handle device according to an embodiment of the present invention. 1 is a bottom view of an inside door handle device according to an embodiment of the present invention. FIG. 4 shows an embodiment of the present invention and is a cross-sectional view taken along line AA in FIG. 3. FIG. 3 shows an embodiment of the present invention and is a cross-sectional view taken along the line BB in FIG. 2. FIG. 3 is an exploded perspective view showing an assembled state of the lock knob and the integrated bush according to the embodiment of the present invention. FIG. 3 is an exploded perspective view showing an assembled state of the lock knob and the integrated bush according to the embodiment of the present invention. FIG. 2 is a front view showing an assembled state of the lock knob and the integrated bush according to the embodiment of the present invention. FIG. 9 is a cross-sectional view taken along the line CC of FIG. 8, showing an embodiment of the present invention. FIG. 9 is a cross-sectional view taken along the line DD of FIG. 8, showing an embodiment of the present invention. 1 is a front view of an integrated bush according to an embodiment of the present invention. 1 shows an embodiment of the present invention and is a back view of an integrated bush. FIG. 1 is a left side view of an integrated bush according to an embodiment of the present invention. 1 is a right side view of an integrated bush according to an embodiment of the present invention. FIG. 12 shows an embodiment of the present invention and is a cross-sectional view taken along line EE of FIG. 11. It is sectional drawing of the inside door handle apparatus of a prior art example.

Explanation of symbols

A Inside door handle device 2 Base member 3 Shaft 4 Handle 5 Lock knob 9 Connecting rod 10 Integral bush 10b, 10c Sliding bush 10d Rod bush 10e, 10f Stopper bush

Claims (3)

An inside door comprising a shaft supported by a base member, a handle rotatably supported by the shaft, and disposed adjacent to each other, a lock knob, and a connecting rod that links the lock knob and a door lock mechanism In the handle device,
A sliding bush portion interposed between the handle and the lock knob and the shaft;
An inside door handle device, wherein an integrated bushing integrally provided with the lock knob and a rod bushing portion interposed between connecting rods of the knob transmission means is mounted on the lock knob. A shaft supported by the base member, a handle rotatably supported by the shaft, and a lock knob disposed adjacent to each other, and a lock knob disposed on the base member and in contact with the rotating lock knob, and turning the lock knob In an inside door handle device comprising a stopper portion that regulates a region between a lock position and an unlock position, and a connecting rod that links the lock knob and a door lock mechanism,
A bush portion for a rod interposed between connecting rods of the lock knob and the transmission means for the knob;
An integrated bush that is integrally provided with a stopper bushing interposed between the lock knob and the stopper portion in a state where the lock knob is in the locked position and the unlocked position is attached to the lock knob. Inside door handle device characterized by. A shaft supported by the base member, a handle rotatably supported by the shaft, and a lock knob disposed adjacent to each other, and a lock knob disposed on the base member and in contact with the rotating lock knob, and turning the lock knob In an inside door handle device comprising a stopper portion that regulates a region between a lock position and an unlock position, and a connecting rod that links the lock knob and a door lock mechanism,
A sliding bush portion interposed between the handle and the lock knob and the shaft;
A bush portion for a rod interposed between connecting rods of the lock knob and the transmission means for the knob;
An integrated bush that is integrally provided with a stopper bushing interposed between the lock knob and the stopper portion in a state where the lock knob is in the locked position and the unlocked position is attached to the lock knob. Inside door handle device characterized by.

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