JPH0610393B2 - Drawer drawer device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a drawer device for a drawer body stored in a main body so that the drawer body can be put in and out.

(Prior Art) Japanese Utility Model Laid-Open No. 59-92404 discloses a drawer device in which a drawer body as a keyboard instrument is pulled out of the main body of the tape recorder body, and the pulled-out drawer body is stored in the main body. . This is to install a pair of fixed rails on both sides of the drawer body storage part in the main body, and to support the slide rails slidably by a predetermined stroke on each of the fixed rails, and to move the drawer body between the pair of slide rails by a predetermined stroke. Only slidably supported.

(Problems to be Solved by the Invention) In the above-mentioned conventional apparatus, a constant speed withdrawal device using a flywheel and a tension spring is used to withdraw the retracted body out of the main body. Therefore, this conventional device requires a locking device that locks the drawer body in the storage portion of the main body against the pulling force of the constant-speed drawing device, and a device that releases the locking of the locking device.
It is indispensable, and it takes a lot of time for manufacturing and assembling, and it requires a space for accommodating each device, and the whole device becomes large.

Further, since the fixed rail and the slide rail that are in sliding contact with each other and the slide rail and the drawer body are in direct contact with each other, friction is large, and the sliding contact surfaces are worn out and rattle after long-term use.

(Means for Solving Problems) Therefore, according to the present invention, a drawer body, a main body having a storage part for storing the drawer body, and a storage part of the main body are slidably attached in an in-and-out direction of the drawer body. And a slider in which the drawer is slidably mounted in the same direction, and a slider is provided with a rack, and the slider rack is provided between the main body and the slider. Gears that rotate forward and reverse while being meshed and braked by the movement of the drawer body, spiral groove provided in the gear, heart cam groove at the inner end of the spiral groove, and the inner end fixed to the gear to store the drawer body. The mainspring, which is tightened by the rotation of the gear when it is pushed into the part, reciprocates in the spiral groove, and when the drawer is pushed into the storage part, it is locked in the heart cam groove and the mainspring is unwound. To prevent A rotary damper provided with a stop pin which is released from the heart cam groove when the pushed drawer body is further pushed, and a bearing is arranged between the main body and the slider, and between the slider and the slide body, respectively. It is characterized by

(Embodiment) In the illustrated embodiment, 1 is a main body, 1'is a storage portion thereof,
Reference numeral 2 indicates a drawer, and 3 indicates a slider. Beams 4 and 4 for guiding the slider 3 in the withdrawal direction of the drawer 3 are installed on the left and right sides of the lower surface of the storage part 1'to slidably support the slider 3, and the drawer 2 has rails 5 on the left and right. It is slidably attached by sliding on the slider at 5.

The first embodiment shown in FIGS. 1 to 3 is a case in which the rail 5 of the drawer body and the beam 4 of the main body vertically face each other with the slider 3 interposed therebetween, and the second embodiment of FIG. 4 is the rail of the drawer body. 5 and the slider 3 are slightly floated above the bottom surface of the storage part, and the beam 4 and the rail 5 face each other with the slider 3 sandwiched therebetween, and both embodiments are the same in principle.

The slider 3, the beam 4, and the rail 5 have the same length, and the cross-sectional shape of the slider 3 is approximately square in this embodiment. The beam 3 and the rail are the same, and both side pieces 4 which face each other and partially fit the slider 3 to each other. It is almost square with'5 '. The inner surface of each side piece of the beam and rail and the triangular grooves 3a, 3a facing each other on each part of the slider 3 facing this.
Is provided in the longitudinal direction, and the cross roller bearing 6 is arranged so as to extend across both grooves. Therefore, the slider 3 cannot be disengaged from the beam 4 by the bearing 6, and the rail 5 can be disengaged from the slider 3 by the bearing 6 as well.
In addition, they can slide and slide smoothly and lightly. In other words, in this embodiment, each bearing has a function of holding the slider and the beam and the slider and the rail so that they do not come apart from each other in addition to lightening the sliding of the slider and the rail.
As a result, the slider and the beam, and the slider and the rail are slidably assembled with each other. However, of course, the present invention is not limited to this, and the bearing 6 only makes the sliding lighter, and the slider and the beam, the slider and the rail. A means for slidably holding may be provided separately.

The beam 4 and the rail 5 respectively have racks 7 and 8 in the longitudinal direction on the inner surface of the central portion, and the slider 3 has an intermediate gear 9 that does not mesh with either the rack 7 of the beam 4 or the rack 8 of the rail 5, and the rack. 7 and a gear 7'that meshes with the intermediate gear 9,
A gear 8'that meshes with the rack 8 and the intermediate gear 9 is provided in a space 3'provided in the middle portion in the longitudinal direction. In the state where the drawer body 2 is completely stored in the storage portion 1'of the main body, the slider 3, the beam 4 and the rail 5 are superposed, whereby the slider 3 is operated to move the drawer body out of the storage portion 3. When the rails 5 are moved to the outside, the gears 7 ', 8', 9 are engaged with the racks 7, 8 to move the rails 5 in the outward direction by twice the movement amount of the sliders. When it goes out about half of the length, the rail 5, that is, the drawer body 2, almost entirely goes out. This is the same when the drawer body is stored in the storage part, and about half the length of the slider goes out in Fig. 2, but when this enters the storage part and overlaps with the beam, the rail is full length. Enters the storage unit and overlaps the beam and slider. The slider for moving the drawer body in and out of the storage part by operating the slider in this manner is provided with a driven rack 10 extending in the longitudinal direction from the facing interval between the beam and the rail, and the driven rack 10 has a main body or An input gear 12 of a rotary damper 11 with a stopper mechanism fixed to the beam 4 meshes. The rotary damper 11 with a stopper is provided by the present applicant in Japanese Patent Application No. 58-106685
Although what is described in detail in Fig. 5 is used as it is, of course, it is not limited to this, but an equivalent function, that is, the gear 12 brakes the rotation by viscous resistance such as silicone oil when rotating in both forward and reverse directions. And the spring when rotating either forward or reverse,
For example, the mainspring is crimped to accumulate the restoring force in the spring, and at the end of the one-direction rotation, the stopper mechanism that uses a heart cam prevents rotation in the opposite direction, and the stopper mechanism rotates in the opposite direction. The locking mechanism is disengaged by slightly rotating the gear that is blocked in one direction in one direction, and the gear may be rotated in the opposite direction by the restoring force of the spring while being braked.

FIGS. 6 to 9 show a part of FIGS. 1 to 5 of Japanese Patent Application No. 58-106685, and the operation of the rotary damper with a stopper mechanism will be outlined in connection with the present invention. The gear 12 rotates on the mounting substrate 13. A braking board 14 fixed to the mounting board is fitted inside the recessed bottom surface of the gear, and silicon grease is applied to the bottom surface of the gear and the facing surface of the braking board to rotate the gear in both forward and reverse directions. Brake.

A spiral groove 15 is provided on the upper surface of the gear, and a one-way passage 15 'that makes a round around the heart island 16 is provided at the inner end of the spiral groove, and the inner end of the mainspring 17 is fixed at the center of the upper surface. Boss 12 'stands. An upper lid 18 assembled with the mounting substrate 13 rides on the upper surface of the gear, and a part of the peripheral edge of the gear projects outward from the upper lid and meshes with the driven rack 10 of the slider 3 described above.
An elastic stopper pin 19 is attached to the upper lid 18 and has a tip bent downward and protruding into the spiral groove 15. The mainspring 17 has its outer end fixed to the upper lid 18, and is housed in the upper lid on the stop pin 19.

Then, this damper is fixed to the main body or the beam 4 by a mounting substrate 13.

In the state where the drawer body is stored in the storage part, the mainspring 17 is crimped and accumulates a restoring force, and the tip of the stop pin 19 is caught in the recess 16 ′ of the heart island, and the gear 12 is rotated by the restoring force of the mainspring. Prevent the.

When the drawer body is pushed inward with your finger from the open surface of the storage part, the stop pin 19 escapes from the concave part of the heart island, so the gear 12 is braked by silicon grease and the spring force restores it in one direction. The driven rack 10 which rotates and meshes moves the slider 3 out of the storage portion, and thus the drawer body comes out of the main body. At this time, the restoring force of the mainspring may be exhausted, or if necessary, a stopper 20 may be provided between the slider and the beam or the main body, or between the rail and the main body or the slider, or both, and the drawer body may be removed. You may choose not to go out. Stopper 20
In the illustrated embodiment, is composed of a claw 20a raised from the beam and a projection 20b provided on the slider, so that the projection 20b abuts the claw 20a when the slider goes out from the storage part for about 1/2 of the entire length. I'm running.

In addition, if the drawer that has come out is pushed into the storage part, the gear
12 rotates in the opposite direction to crimp the mainspring 17 from the inner periphery, and stop pin 19 follows spiral groove 15. Then, at the end of the time when the drawer body has almost entered the storage part, the stop pin moves in the one-way passage 15 'around the heart island 16, and when the drawer body is slightly pushed into the storage part, the push-in stops and the mainspring 17 rotates the gear 12 in the opposite direction by the accumulated restoring force, and the drawer body moves a little in the direction to go out, but at this time, the tip of the stop pin 19 is caught in the recess 16 'of the heart island 16, so that the drawer body The above does not go out and is housed in the storage unit. In order to take out the drawer body, as described above, the drawer body may be pushed inward a little through the opening of the storage part, and the stop pin 19 may be ejected from the recess 16 'of the heart island.

The driven rack 10 may be provided only on one of the left and right sliders, and the drawer may be brought out of the storage section by one rotary damper 11, but the driven rack 10 may be provided on the left and right sliders. The movement can be made smoother by engaging the gears of the two rotary dampers with the driven racks 10. However, if the rail of the drawer body and the beam of the main body are vertically opposed to each other with the slider interposed therebetween as in the first embodiment, the first intermediate gear 9 provided in the left and right sliders is used.
By connecting with a single connecting shaft 9'as shown in the figure, the left and right movements can be smoothed only by engaging the gear of one rotary damper with the driven rack 10 of either the left or right slider.

In this embodiment, the gears 7 ', 8'and 9 are two bearing plates.
It is held and assembled between 21 and 21, and fixed in the cavity in the middle of the slider, but the bearing plate is not always necessary, and the gear may be mounted directly in the cavity of the slider by the shaft. . Further, in the case of this embodiment, as the bearing 6, a cross roller type in which the roller 6b is adjacent to the strip 6a such as celluloid and the directions of the rollers 6b are alternately crossed in an orthogonal direction is used for convenience. It may be one. Further, although two sets of the slider 3, the beam 4, and the rail 5 are arranged on the left and right sides in this embodiment, they may be one set.

(Effect) According to the present invention, the size is extremely small, the number of parts used is small,
It is possible to provide a drawer device that operates smoothly even if it is used for a long period of time, and is particularly suitable for a drawer body of, for example, a player for a compact disc or a keyboard instrument that is used outside the main body of the electronic audio device.

[Brief description of drawings]

FIG. 1 is an explanatory view of a first embodiment of the present invention in a pulled-out state, FIG. 2 is a side view showing a part of the same as a section, FIG. 3 is an enlarged vertical front view of the same, and FIG. FIG. 5 is an enlarged vertical front view of the same main parts as FIG. 3 of one embodiment, FIG. 5 is an enlarged front view of a cross roller bearing, FIG. 6 is a plan view of a rotary damper, and FIG. 7 is VII- of FIG. Sectional view taken along line VII, No. 8
FIG. 9 is a plan view showing a spiral groove of a gear, and FIG. 9 is an exploded perspective view. In the figure, 1 is a book, 1'is its storage part, 2 is a drawer, and 3 is a drawer.
Is a slider, 6 is a bearing, and 11 is a rotary damper.

Claims (2)

[Claims] 1. A drawer body, a main body having a storage unit for storing the drawer body, a storage unit of the main body slidably mounted in the direction in which the drawer body moves in and out, and the drawer body in the same direction. In a drawer body drawer device comprising a slider slidably mounted, the slider is provided with a rack, and the rack of the slider is engaged between the main body and the slider, and is braked by the movement of the drawer body. However, the gear that rotates in the reverse direction, the spiral groove provided in the gear, the heart cam groove at the inner end of the spiral groove, and the inner end is fixed to the gear, and the gear is rotated by pushing the drawer into the storage part. And the spring that is reciprocally moved in the spiral groove, and prevents the spring from being unwound by being locked in the heart cam groove when the drawer body is pushed into the storage section. If you push The rotary damper provided with a stop pin which is released from Tokamu groove, and the body and the slider, and the extension device of the drawer body, characterized in that a bearing between the respective sliding surfaces of the slider and the extraction member. 2. A drawing-out device for a drawing body according to claim 1, wherein the bearing is a cross roller bearing held by a strip retainer.