JPH061783U - Anti-vibration device for air conditioner compressor - Google Patents

Abstract

(57) [Abstract] [Purpose] To effectively reduce the vibration transmitted from the compressor to the bottom plate of the air conditioner in the vibration isolator of the compressor of the air conditioner. [Structure] An air conditioner in which a small outer diameter portion 2'of a vibration isolating rubber 2 is fitted into a hole 1'provided in a mounting leg 1 of a compressor 10 and fixed by a bolt 5 with a seat penetrating the center of the vibration isolating rubber 2. In the vibration isolator of the compressor of the compressor, the portion of the seat 4 of the seated bolt 5 is attached to a highly rigid portion where the bottom plate 3 and the leg plate 7 of the air conditioner are stacked, and propagates from the compressor 10 to the bottom plate 3. I tried to reduce the vibration.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a vibration damping device for a compressor of an air conditioner designed to reduce propagating vibration noise.

[0002]

[Prior art]

 Fig. 2 shows an example of a conventional vibration isolator for a compressor of an air conditioner, and Fig. 2 shows an example of a conventional structure for reducing the vibration that propagates to the bottom plate than the vibration isolator of a compressor for an air conditioner. 3 shows each.

In the structure shown in FIG. 2, a small outer diameter portion 2 ′ of an upper portion of a vibration-proof rubber 2 as a buffer main body is fitted into a hole 1 ′ of a mounting leg (outer leg) 1 of a compressor 10, The anti-vibration rubber 2 is fixed to the bottom plate 3 through a bolt 5 with a seat penetrating the center of the anti-vibration rubber 2. In addition, 4 is a seat which contacts the bottom plate 3 of the seated bolt 5, and 6 is a nut of the seated bolt 5.

In this case, the vibration propagated from the outer leg 1 of the compressor 10 to the seated bolt 5 via the anti-vibration rubber 2 is propagated to the bottom plate 3, which vibrates to generate noise.

FIG. 3 shows an example of a structure intended to solve the above-mentioned problems of the structure shown in FIG. 2, which is disclosed in Japanese Patent Laid-Open No. 62-159777, and is shown in FIG. The propagating vibration is damped by the damping material 8 filled around the bolt seat 4 so that the propagating to the bottom plate 3 is reduced. In FIG. 3, corresponding members are designated by the same reference numerals as in FIG.

However, in this case, it is inevitable that the cost is disadvantageous and that the vibration damping material 8 needs to be made of a hard material, and at that time, the vibration damping effect is deteriorated.

[0007]

In the conventional vibration damping device shown in FIG. 2, the vibration of the bottom plate 3 is a problem as described above, and in the conventional vibration damping device shown in FIG. As described above, there is a problem that the cost and the vibration damping material 8 cannot be selected optimally (those having a viscosity having a vibration damping effect) and a sufficient effect cannot be obtained.

The present invention solves the above problems, and provides an anti-vibration device for a compressor of an air conditioner, which can suppress the increase in cost and reduce the noise generated by the vibration of the bottom plate. It is something to try.

[0009]

[Means for Solving the Problems]

 The present invention relates to a vibration damping device for a compressor of an air conditioner, in which a small diameter portion of a buffer main body is fitted in a hole provided in a mounting leg of the compressor, and is fixed by a bolt with a seat penetrating the center of the buffer main body. The seat portion of the seat bolt was attached to a place where the bottom plate of the air compressor and the leg plate of the air conditioner were overlapped.

[0010]

[Action]

 Since the present invention has the above-mentioned configuration, the rigidity of the portion where the seat bolt is attached is increased, and the vibration is less likely to propagate to the bottom plate of the air conditioner. In addition, since the seat bolt is attached to the air conditioner bottom plate and the leg plate, the vibration damping action is obtained. As a result, vibration of the bottom plate can be reduced.

[0011]

【Example】

 An embodiment of the present invention will be described with reference to FIG. In this embodiment, similarly to that shown in FIG. 2, a small outer diameter portion 2'of an upper portion of a vibration-proof rubber 2 as a cushioning main body is fitted into a hole 1'of a mounting leg 1 of a compressor 10 of an air conditioner. Then, it is fixed to the bottom plate 3 of the air conditioner with a seated bolt 5 penetrating the center of the anti-vibration rubber 2.

Reference numeral 7 denotes an outer leg which is a leg portion of the air conditioner, and the outer leg 7 is superposed on the lower surface of the bottom plate 3 at a place where the seat bolt 5 is attached, and at the place, the bottom plate 3 is attached. The outer legs 7 are stacked on top of each other, and the anti-vibration rubber 2 is attached such that the upper surface of the seat 4 of the seated bolt 5 is in contact with the lower surface of the outer leg 7. Further, the outer leg 7 is fixed to the bottom plate 3 by spot welding (denoted by reference numeral 9) in a portion where the outer legs are overlapped. The outer leg 7 is a longitudinal member, and the mounting leg 1, the vibration-proof rubber 2 and the seated bolt 5 are provided at two positions thereof, and the compressor 10 has the two-ply structure at two positions. It is designed to be supported by the bottom plate 3 and the outer legs 7.

Reference numeral 5 ′ is another nut with a seat provided at a position different from that of the nut with a seat 5, and is attached to the bottom plate 3 at the upward bead 30 of the bottom plate 3 and is attached to the compressor 10 (not shown). An anti-vibration rubber having a small outer diameter portion fitted in the hole of the mounting leg is attached to the bottom plate via a nut 5'with a seat. Therefore, the compressor 10 is supported at three points, that is, the bead 30 and the bottom plate 3 and the outer leg 7 which are two-layered, that is, a total of three points.

In the present embodiment, the seated bolt 5 for fixing the compressor 10 is attached to a rigid portion of the air conditioner because the bottom plate 3 and the outer leg 7 are stacked on each other. The vibration is less likely to be propagated to the bottom plate 2, and the vibration damping effect can be obtained by the two layers of the bottom plate 3 and the outer leg 7.

Further, although the compressor 10 is supported at three points as described above, since the outer leg 7 is a longitudinal member, the two mounting legs 1 of the compressor 10 attached to the seat bolt 5 are linearly arranged. The bead 30 is provided on the bottom plate 3 at a position where it is attached to the seated bolt 5 ', so that the rigidity can be increased. Therefore, by supporting the compressor 10 at three points as described above, the compressor 10 can be stably supported, and the vibration damping and vibration damping effects can be obtained as described above.

[0016]

[Effect of device]

 In the present invention, as described in detail above, a compressor having a simple structure in which the bolt with a seat for fixing the compressor of the air conditioner is attached to the place where the bottom plate and the leg plate of the air conditioner are overlapped is provided. It is possible to reduce the vibration transmitted from the mounting leg of the vehicle to the bottom plate through the seated bolt, and also to suppress this vibration to reduce the noise generated by the vibration.

[Brief description of drawings]

FIG. 1 is a sectional view of an embodiment of the present invention.

FIG. 2 is a cross-sectional view of an example of a conventional vibration damping device for a compressor of an air conditioner.

FIG. 3 is a cross-sectional view of another example of a conventional vibration isolator for a compressor of an air conditioner.

[Explanation of symbols]

 1 Compressor mounting leg 1'Mounting leg hole 2 Anti-vibration rubber 2'Small outer diameter of anti-vibration rubber 3 Air conditioner bottom plate 4 Seat bolt seat 5,5 'Seat bolt 6 Nut 7 Air conditioner Outer leg 8 Damping material 30 Bead

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Yuya Fujiki Inventor Yuya Fujiki 3-1, Asahimachi, Nishibiwajima-cho, Nishikasugai-gun, Aichi Mitsubishi Heavy Industries, Ltd. Air Conditioning Factory

Claims (1)

[Scope of utility model registration request] 1. An anti-vibration device for a compressor of an air conditioner, wherein a small outer diameter portion of a buffer main body is fitted into a hole provided in a mounting leg of the compressor, and is fixed by a bolt with a seat penetrating the center of the buffer main body. 2. The vibration isolator for a compressor of an air conditioner according to claim 1, wherein the seat portion of the bolt with a seat is attached to a place where a bottom plate of the air conditioner and a leg plate of the air conditioner are stacked.