JPH01120419A - Automatic window closing drive device - Google Patents

Abstract

PURPOSE:To lengthen the life of a bearing part and to make it function smoothly by composing the bearing part of a d.c. motor of a thrust carrying plate, a bearing member and a fixing member, and forming a lubricant guiding groove between a periphery of the tip of a rotary shaft and an inner periphery of a shaft bearing member. CONSTITUTION:The central part of an end surface 57 of one shaft end part 22a of a rotary shaft is provided with a ball receiving groove 55, into which a ball 58 is pressed so as to protrude from the end surface 57, and a periphery of the tip of the shaft end part 22a is formed into a convergent tapering surface. Thus a lubricant inserting space is formed between the first thrust carrying plate 52 and the end surface 57 of the shaft end part 22a through the ball 58, and a circumferential groove 56 communicating with the lubricant inserting space is formed between an inner periphery of a shaft bearing member 53 and the periphery of the tip of the shaft end part 22a. Thus a lubricant such as grease or the like can therefore to smoothly supplied to make the rotary shaft rotate and move forward smoothly. Thus the life of a bearing part 50 can be lengthened, and its durability also improved.

Description

[Detailed Description of the Invention] [#Utilization of Rakudo]] The present invention relates to a window opening/closing cleaning device, especially an automatic window opening/closing building! I
Regarding J9.

[Prior Art] In general, automatic window opening/closing systems use electric motors and this i1! This Makoto C! The temperature is controlled by the opening/closing operation unit connected to the machine.

Figure 41M and Figure 5 show how to install an automatic window opening/closing device in
'-, No. 4 [ ] is a front view of the door seen from the back, and FIG. 5 is a sectional view taken along the v-v line of FIG. The kite rail 12 is provided at the other (1m) end of the door body 10. +1 is the guide rail 11, 12 at both ends, respectively. 14 is an opening/closing operating section arranged at the lower end of the door body lid and connected to the lower end of the window panel 13; 15 is an opening/closing operating rail; The opening/closing unit 14 includes a DC motor 20 for driving the opening/closing unit 14 and a DC electric motor [1η
Reduce the amount of rotation and amplify the torque! Opening/closing drive unit consisting of machine 40 or I! I! It is set up. Nao i&'
The drive 20 and the speed reducer 40 are arranged one above the other in the width direction of the door main body 10, and are spaced from the side of the door main body 10 with a predetermined gap.

Problems to be solved by Part C 11] In order to operate an actuated object, a large actuation force is required, and in order to obtain a large actuation force, it is necessary to increase the rotational torque of the opening/closing drive unit. Therefore, IrIIt electric a
A thrust threaded portion is formed on the rotating shaft of 20, and the Uono gear of the reducer 40 is meshed with this thrust threaded portion.
A large rotational torque is obtained from the output shaft 41 of Man4o.

However, when opening and closing the window plate 13 due to the large rotation i/lux of the output shaft 41 of the deceleration a40, a large propulsive force acts on the rotating shaft of the DC motor 20 in the opening/closing drive unit, and the sliding of the window plate 13 is Deceleration a4 when stopped
A large reaction force is applied through the zero worm gear. Therefore, it is desirable to improve the reliability of the bearing portion of the DC motor 20.

FIG. 6 shows an example of a conventional bearing part in an opening/closing drive part, where 61 is a bottom circular casing that houses the rotating shaft of the straight IIL engine 20, and 68 is a ++p part inside the casing l.
1 and 1 have a cylindrical bearing frame at the bottom; 69 is a disc-shaped spring receiving plate housed in the bottom of the bearing frame 68; 70 is a cylinder formed on the spring receiving plate 69 and the body. The stopper 71 is a spring disposed concentrically with the stopper 70, and 72 is a coroot-like thrust receiving plate disposed in the bearing frame 6B so as to be engaged with the tip of the Yagi 71 so as to be movable in layers. A ball receiving hole 73 is provided at one shaft end ts 22 b of the rotating shaft of the DC motor, and a ball 66 is press-fitted into this ball receiving hole 73 .

fjS6 In the bearing part shown in the figure, the shaft part 2zb of the rotating shaft
In the figure, the ball 66 rushes to the right and hits a large #.
When the force of +1a collides with the thrust receiving plate γ2, the impact force is relaxed by the spring leaf 1, but due to the unbalanced contraction of the spring 71, the pressure receiving plate leaf 2 rattles, and the Ia impulse 111 is insufficient. At the same time, rotation acts on the ball 66, causing it to separate from the ball 66, resulting in a lack of reliability.

[Means for Solving the Problems] In view of the problems described in L above, the present invention provides a window panel that is slidably provided on the door body, and an iI window that is provided in the closed space of the door body. Is vt1 the motive? In an automatic window opening/closing device comprising an opening/closing drive unit that amplifies the rotational torque of the engine and reduces the rotational speed and drives the window plate to open/close, the bearing of the DC 1t1 engine of the opening/closing drive unit is a part. Or, a compression receiving plate inserted into the bottom of a bottomed cylindrical bearing frame,
a fixing member inserted into the bearing frame so as to fix the shaft support member provided in the bearing frame in the vicinity of the thrust receiving plate in the axial direction and radial direction; and the DC flow 9h machine. It consists of a ball inserted into the shaft end surface of the rotating shaft, and yIf! 6 to constitute an automatic window opening/closing drive device.

Further, the present invention provides a bearing part of an IJN closed drive/closing part moving part current motor with a song body disposed within the bearing so as to be located at the bottom of the bottom cylindrical bearing frame, and a song body disposed within the ring body. a thrust absorbing member made of a columnar or cylindrical elastic material inserted so as to protrude from the bearing frame; a cylindrical shaft support member inserted within the bearing frame; The IJJ''!1 opening/closing drive device is constituted by the thrust receiving plate that is fitted and locked so as to be located at the m section.

[Example] Below is one QIJJ example.
-M S Explain with reference to the figure.

The drive operation unit shown in the 4th L4 and the 5th +K is the 31st
4, the DC electric 4h machine 20 and the speed reducer 40.

Therefore, it is configured. In FIG. 3, reference numeral 21 denotes a rotor portion, and this rotor portion 21 is fixed to a rotating shaft 22.

23 is a stator portion formed in a concentric manner with the rotor 21; 24;
The rotor part 21, which is a commutator part, has a rotor core 25 made of laminated silicon steel plates.

The winding 8 of the 6-rotor 8121 is constituted by the winding part 27 wound around the rotor core 25's a- and g's 26.
I27 is! The fixed part 23 is electrically connected to the power supply circuit RTA (not shown) via the lead 24 and the lead 2B.As shown in FIG. The rotating shaft 22 of the zero rotor 1'i21, which is constituted by a permanent magnet 3I fixed to the inner wall surface of the cylinder 30, is meshed with the worm gear (not shown) of the reduction gear a40. Bearing 50.
The rotation of the rotating shaft is amplified via the two-way gear and outputted from the output shaft 41.

The feature of the present invention is that the opening/closing drive unit IT galvanic! P
The first shaft 2Psso located at the electric motor 411g4 in the II machine 20 and the second bearing portion 60 located on the reducer side are improved.

In other words, FIG.
A bottomed bearing frame 51 is integrally connected to one end, and a first thrust receiving plate 52 is press-fitted into the bottom of the bearing frame 51g). The first thrust plate 52 has a hardness of 45 to 50 (
SK-5) It is a disc made of steel. A first thrust receiving plate 5 is provided at the large diameter portion of the circular arc-shaped cross section provided at the bottom of the bearing frame 51.
A roughly spherical shaft support member 53 is press-fitted at a predetermined interval from 2 to 2, and the shaft support member 53 is fixed to the open end of the first bearing frame 51 in its radial direction and axial direction. A ball receiving groove 55 is provided in the center of an end surface 57 of one shaft end 22a of the one-rotation shaft 22, in which a fixing member 54 is inserted into the first bearing frame 51.

The ball 58 is placed in the ball receiving groove 55 at the end t? 1i57
It is press-fitted so that it protrudes like this. Shaft end + Il zz
The peripheral surface of the tip KA row of a is formed with a tapered surface. Therefore, a space 59 for inserting the illumination material is formed between the first thrust receiving plate 52 and the end [I'1i57 of the shaft end portion 22a via the ball 58, and the inner circumferential surface of the shaft member 53 A circumferential groove 56 communicating with the space 59 is formed between the outer circumferential surface of the tip end of the shaft end portion 22a.

The first bearing part 50 shown in the first [7I (Al) has a circumferential groove 56 that communicates with the face lubricant insertion space 59, so that the lubricant such as fleece can be smoothly supplied. Rotating axis 2
2, the rotation and propulsion become smoother, extending the life of the bearing and improving reliability.

FIG. 1(B) shows the second bearing part 6 according to the embodiment of the cloth 11.
The front sectional view of 0 and ff$2 are exploded perspective views of the deep part of the second bearing portion 6°.

:n1 In Figure (A), 61 is a circular second bearing frame with a bottom, 62 is a metal song inserted into the bottom of the second car 2#%61, and 63 is the second bearing frame 61. (: an elastic cylindrical thrust absorber 111 made of rubber or the like inserted into the metal ring 62 so as to abut and protrude from the metal link 62)
1It64 is a thrust receiving plate of rrS2 and is fitted and fixed to a cylindrical second shaft support member 65. Second thrust receiving plate 64
slides into the second shaft 9 frame 61 together with the shaft support member 65 of fj52! It is inserted in the II town card.

More specifically, as shown in 2nd IyI, a cylindrical thrust suction U member 63 made of an elastic material is inserted into the hole 62a of the metal link 62. The second thrust receiving plate 64 is a disk portion 64
a and the engagement formed on the outer peripheral surface of this disc portion 64')! l
-64, the cylindrical second pivot f'$ member 65 has a sleeve p hole 65a and a connecting hole 165b. The disk portion 64a of the second thrust receiving plate 64 is connected to the second shaft supporting member 65.
When the engaging protrusion Q4b is inserted into the hole 65a and the engaging groove 65b is fitted into the locking groove 65b, the shaft end 2 of the rotating shaft is
2b is a rotary sliding hole #? in the hole 65a of the second shaft supporting member 65. r
A ball 66 is press-fitted and protrudes into a ball hole 67 provided on the end face of the shaft end 22b, and this hole 66 is inserted into the second 4ft force receiver fiI, Q4.
ζ. Further, the tip outer peripheral surface of the shaft end portion 22b is formed into a tapered shape, and when a circle P4III68 for guiding the lvi slip material is formed between the shaft end portion 22b and the second shaft support member 65, the shaft end portion A space for inserting a sliding material is formed between the end face of the 22b and the second thrust plate 64.If the second bearing part 60 shown in FIG. When the R1 movement reaches the end point, a strong thrust is generated in the left-right direction at the shaft end 22b in FIG. 1(B).

Due to this thrust, the ball 66 strongly hits the second thrust receiving plate 64! Leave the S contact. When the ball 66 comes into contact with the plate 64, 4
A thrust absorbing member 63 made of an elastic cylindrical body absorbs stress. Since the second thrust receiving plate 64 is engaged and supported by the bearing member of FA2, it does not wobble or rotate.
The stress absorption effect of the thrust absorption portion port 63 is improved, the force receiving effect is stabilized, the ball 66 does not come off from the hole 67, and the MII lubricant guide groove is formed, so the second bearing member 65 bearing action is improved and reliability is improved.

Note that in the above embodiment, the first bearing portion is provided on the electric motor side,
Although the second bearing part is provided on the reducer side, these may be made compatible with each other, or one of the fl
b receiving portion may be used, and furthermore, the thrust absorbing portion port 63 may be a cylindrical one.

[Effects of the Invention] The present invention is as described above, and includes a thrust receiving plate in which the bearing portion of the ff[flow ltt motor is provided in a bottomed oil bearing frame.

A shaft support member and a fixing member for fixing the shaft support member have a q ”C configuration, and a smooth sliding material guide skin is formed between the outer peripheral surface of the tip of the rotating shaft and the inner peripheral surface of the shaft support member. Therefore, it is possible to extend the life of the bearing and to make it smoother.

Further, in one aspect of the present invention, the bearing part is held in a bearing frame by engaging and holding a cross-shaped or cylindrical thrust absorbing port made of a link body and an elastic material, an a-force receiving plate, and the thrust receiving plate. Since the shaft support material is 4g, the bearing part has excellent thrust absorption characteristics, has a long life, and can improve reliability.

[Brief explanation of the drawing]

No. 1I2I (Al, (B) is a front sectional view of the bearing part of the direct IL motor, @2 is an exploded perspective view of the main parts of the bearing part. No. 3r21 is a front view of the opening/closing drive part, and Fig. 4 is Fl For moving vehicles [Front view of 1 moving window seen from the back, No. 51511 is rn4
FIG. 6 is a front sectional view showing an example of a conventional bearing part. In the figure, lO is the door body, 11.12 is the guide rail, 1
3 window plates, 14 is the operating part, 20 is the DC motor, 21 is the rotor part of the motor, 23 is the stator part, 40 is Md! machine, 50
51 is the first bearing part, 51 is the first bearing frame, S2 is the first thrust receiving plate, 53 is the first shaft support member, 54 is the fixing member, 55
is a ball insertion hole, 58-... circumferential groove, 57 is an end face, 58
is a ball. 60 is the bearing part of PA2, 61 is the second bearing frame, 62, .
・Full bending ring, 63... A semi-forceful member made of rubber,
64 is a second thrust receiving plate, 65 is a second shaft supporting member, 66 is a ball, and 67 is a second ball receiving groove. (Tubis→Main type)) Fig. 1 (B) ('λ±Jiku')) n Fig. 4 Fig. 5 14 1J 12

Claims (2)

[Claims] (1) A window plate slidably provided on the door body, a DC motor provided in the idle space of the door body, and a reducer that amplifies the rotational torque of the motor and reduces the rotational speed; In an automatic window opening/closing device comprising an opening/closing drive unit that drives a window plate to open/close, a bearing portion of a DC motor of the opening/closing drive unit is connected to a thrust receiving plate inserted into the bottom of a bottomed cylindrical bearing frame; A fixing member inserted into the bearing frame so as to fix the shaft supporting member inserted in the bearing frame in the axial direction and radial direction in the vicinity of the receiving plate; 1. An automatic window opening/closing drive device comprising a ball inserted into a shaft end surface, and comprising a groove formed between an outer circumferential surface of the tip of the rotary shaft and an inner circumferential surface of the shaft supporting member. (2) a window plate slidably provided on the door body; a DC motor provided in the idle space of the door body; and a reducer that amplifies the rotational torque of the motor and reduces the rotational speed; In an automatic window opening/closing device comprising an opening/closing drive section for driving window panels, the bearing part of the DC motor of the opening/closing drive section is inserted into a bottomed cylindrical bearing frame so as to be positioned at the bottom of the bearing frame. a ring body, a thrust absorbing member made of a columnar or cylindrical elastic material inserted so as to protrude inside the ring body, a cylindrical shaft supporting member inserted within the bearing frame, and the shaft. An automatic window opening/closing drive device comprising a thrust receiving plate that is fitted and locked to a supporting member so as to be located at an end of the thrust absorbing member.