JP3398997B2 - Anti-vibration parts for air conditioner and its refrigerant piping - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibration isolation component for an air conditioner refrigerant pipe.

[0002]

2. Description of the Related Art FIG.
FIG. 1 is an external perspective view of an example of the conventional vibration isolator for fixing a pipe of this type disclosed in Japanese Patent Laid-Open No. 74. The pipe fixing device includes a pipe fixing device main body 15 made of a vibration isolator having fitting holes for fitting a plurality of parallel pipes, and a bunt 16 for binding the pipe fixing device main body 15 on the pipe fixing device. Then, one or a plurality of through holes 18 are bored on the short axis of the fixture body 15, the band 16 is inserted into the through holes 18, and the pipe 4 fitted in the fitting hole is attached. The band 16 is inserted into the through hole 18 for each pipe, and is bound.

That is, the pipe fixing body 15 is a vibration isolator attached to the discharge refrigerant pipe 4, and this vibration isolator is attached to the through hole 18 formed in the central portion of the minor axis direction in the binding band 1.
It is configured to be fixed to the pipe 4 through 6.

[0004]

Since the vibration isolator of the conventional example is constructed as described above, for example, the bent portion of the refrigerant pipe 4 in the outdoor unit of an air conditioner outdoor unit of which an example of an external perspective view is shown in FIG. In general, it was impossible to mount the pipe 4a or the like on a bent portion of a pipe where high stress is likely to occur. In addition, since it is fixed by the binding band 16, there is a problem that the workability of mounting is poor, and it is difficult to arbitrarily select an effective pipe resonance preventing method even when mounting on a straight pipe portion. It was In FIG. 12, 1 is an outdoor heat exchanger, 2 is a blower fan, and 3 is a compressor.

The present invention has been made in order to solve the above-mentioned problems of the conventional example, and can be mounted at a bent portion of the refrigerant pipe without fear of dropping off after mounting. It is an object of the present invention to provide a vibration-proof component of this type that can improve the workability of its mounting.

[0006]

Therefore, the present invention provides an anti-vibration component for an air conditioner refrigerant pipe or an air conditioner as set forth in any one of the following items (1) to ( 4 ). Therefore, the above-mentioned object is to be achieved. (1) An anti-vibration component for a refrigerant pipe of an air conditioner, which is made of a high specific gravity rubber material and has a continuous groove that substantially fits a bent portion of the refrigerant pipe. (2) A vibration isolating component for an air conditioner refrigerant pipe according to the above item (1), which is made of a rubber having a high specific gravity and in which the groove has a U-shaped groove that substantially conforms to a bent portion of the refrigerant pipe. . (3) The air conditioner refrigerant according to (1) or (2) above, further comprising a bag-shaped hole communicating with the groove by a continuous slit inside the groove and having a cross section wider than the slit. Anti-vibration parts for piping. ( 4 ) An air conditioner comprising the vibration damping component according to any one of (1) to ( 3 ) above.

[0007]

[Action] Ri by the previous SL (1) to (4) of section configuration, their respective each corresponding action / effect as described below can be obtained. That is,
Since the anti-vibration part is made of a high specific gravity rubber material, it can be easily fitted into the refrigerant pipe, etc., improving workability of mounting and also being able to mount it on the bent part of the pipe without fear of falling off. It is possible to handle a plurality of pipe sizes and shapes with one type of component, and the desired resonance prevention effect and pipe flexibility effect can be obtained for both pipes.

[0008]

Embodiments of the present invention will be described below.
Description will be given based on a plurality of embodiments: Embodiment 1 FIG. 1 is an external perspective view of a first embodiment of a vibration-proof component according to the present invention. Reference numeral 4 is a refrigerant pipe, 4a is a bent portion thereof, and 5 is an anti-vibration component for fixing the pipe 4. The antivibration component 5 is made of a high specific gravity rubber material (for example, neoprene rubber as a base material, and zinc oxide, barium sulfate, lead dioxide, or the like added to have a high specific gravity of about 2.4 to 3.5). ) Has a rectangular parallelepiped shape, and grooves 6 each having a U-shaped cross section are formed on three side surfaces adjacent to each other in one plane, and these grooves 6 are connected to each other to form the bent portion 4a of the pipe 4. A substantially conforming U-shaped continuous groove 6 is formed.

When the vibration isolator 5 is attached to the U-shaped bent portion 4a of the refrigerant pipe 4, the U-shaped groove 6 of the component 5 is fitted into the U-shaped bent portion of the pipe 4 from above. At this time, since the U-shaped portions of the pipe 4 and the component 5 have the same shape, they fit tightly and there is no fear that the vibration-proof component 5 will fall. In addition, the vibration-proof component 5 is installed at the mounting position as required by the pipe 4
Since it can be shifted to some extent in the longitudinal direction, it is possible to select and arrange the optimum position for preventing the occurrence of the resonance phenomenon of the pipe.

It is to be noted that resonance can be prevented by imprinting the size mark 13 or 14 on the appropriate parts of the vibration-damping component 5 as shown in FIG. 2 and FIG. This is convenient when selecting equal or compatible piping.

Embodiment 2 FIG. 4 is an external perspective view of a vibration isolation component of the second embodiment.
This vibration isolator 5 is an application example of the first embodiment (FIG. 1), and a blind hole 11 is formed in the upper center part of the vibration isolator 5 of the first embodiment, and a metal weight 12 can be inserted into this. It is what As a result, the weight 12 for optimally superimposing the piping system resonance can be selected and inserted into the hole 11.

Embodiment 3 FIG. 5 and FIG. 6 show an external perspective view of a vibration isolator of a third embodiment and a sectional view taken along the line ZZ. The antivibration component 5 of this embodiment is the same as the U-shaped groove 6 of FIG.
(A> b) is taken to form another U-shaped bag-shaped hole 7 having a circular cross section, which is parallel to the groove 6 in opposition to each other, and these U-shaped groove 6 and bag-shaped hole 7 are respectively formed. In the gap, continuous slits 21 are formed in the same plane.

As described above, the U-shaped groove 6 for piping / holding
Since the circular cross-section hole 7 is doubled, it is possible to cope with two kinds of bending radius dimensions of the bent portion 4a of the refrigerant pipe 4 to be attached or different pipe sizes with one vibration isolation component 5.

Embodiment 4 FIG. 7 shows a vertical sectional view of a vibration isolator according to a fourth embodiment.
In this embodiment, the U-shaped grooves 6 and the holes 7 which are parallel to the inside and the outside in Embodiment 2 are configured so as to intersect each other at the bent arc portion without having the interval a. Therefore, when the vibration isolator 5 is attached to the pipe 4, the pipe 4 can be easily inserted into the grooves 6 and 7.

Embodiment 5 FIG. 8 is an external perspective view of a vibration isolation component of a fifth embodiment as a modification of the first embodiment. Anti-vibration component 5 of this embodiment
Is made of a high specific gravity rubber material similar to that of the first embodiment, a U-shaped bag-shaped hole having a circular cross section is formed in a vertical plane from one side surface of a rectangular parallelepiped, and a U-shaped shape formed by a circular center line of the cross section is formed. The slits 9 are cut out along the plane, and a pair of semicircular cross-section grooves are formed in each circle so as to face each other on the inner side, and U's facing each other on the inner side between the U-shaped parallel legs. A letter-shaped convex portion 10 is formed.

With the above construction, when the upper side of the refrigerant pipe 4 is a bent portion as shown in the figure, the vibration isolator 5 is covered from the upper side. Is locked and has the effect of preventing disengagement.

Embodiment 6 FIG. 9 is an external perspective view of a vibration isolator of a sixth embodiment for mounting a straight portion of the pipe 4. This anti-vibration component 5
Similar to the first to fourth embodiments, a cube made of a high specific gravity rubber material is provided with a hole 20 vertically penetrating two facing side faces, and a slit reaching the hole 20 on one parallel side face near the hole. 21 is absent, and the vibration isolator 5 is attached to the refrigerant pipe 4 from here. The center line position of the hole 20 is the center of gravity position C.I. G. Since it is more eccentric, the optimum position of the pipe resonance prevention stop can be selected and attached by shifting the position of the center of gravity in the arbitrary rotation direction of the outer circumference of the pipe 4.

In this case, as shown in the vertical sectional view of FIG. 10, the ring-shaped enlarged diameter convex portions 19 are provided on the upper and lower end face portions of the vibration isolator 5 of the pipe 4 to prevent vibration due to vibration or the like. It is possible to reliably prevent the component 5 from dropping.

Embodiment 7 FIG. 11 is an external perspective view of a vibration isolation component of the seventh embodiment. In this vibration isolator 5, the number of through holes 20 and slits 21 of the sixth embodiment is plural (4 in the illustrated example), and the diameter of each through hole is a plurality of pipe diameters. 5 Center of gravity of main body C. G. Is configured so as not to match.

Thus, it is possible to cope with a plurality of types of diameters of the refrigerant pipes 4, and it is possible to select a plurality of mounting directions of the vibration isolator 5 depending on the mounting position on each pipe and the state of the periphery thereof. .

[0021]

As described above, according to the present invention, the bent portion of the refrigerant pipe can be mounted without fear of dropping or the like, and the vibration-proof component is made of the high specific gravity rubber material. The workability is improved because it can be easily mounted by being fitted into. Further, it is also possible that one type of component can handle a plurality of pipe shape sizes. Further, by changing the mounting position appropriately, it is possible to select an effective position for preventing resonance of the piping system.

[Brief description of drawings]

FIG. 1 is an external perspective view of a first embodiment.

FIG. 2 is an external perspective view of an application example of the first embodiment.

FIG. 3 is an external perspective view of another application example of the first embodiment.

FIG. 4 is an external perspective view of the second embodiment.

FIG. 5 is an external perspective view of the third embodiment.

6 is a sectional view taken along line ZZ of FIG.

FIG. 7 is a vertical sectional view of the fourth embodiment.

FIG. 8 is an external perspective view of the fifth embodiment.

FIG. 9 is an external perspective view of the sixth embodiment.

FIG. 10 is a vertical sectional view of an application example of the sixth embodiment.

FIG. 11 is an external perspective view of the seventh embodiment.

FIG. 12 is an external perspective view of an example of an air conditioner outdoor unit to which the present invention can be applied.

FIG. 13 is an external perspective view of an example of a conventional anti-vibration component.

[Explanation of symbols]

4 Refrigerant piping 5 Anti-vibration parts 6 U-shaped groove 1 7 bag-shaped holes 9 slits

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hideaki Koizumi 3-18-1 Ogashi, Shizuoka-shi, Shizuoka Mitsubishi Electric Engineering Co., Ltd. Nagoya Works Shizuoka Branch (56) References U) Actually open 49-114559 (JP, U) Actually open 53-17861 (JP, U) Actually open 1-134858 (JP, U) Actually open 1-63981 (JP, U) Actually open 63 -74585 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) F25B 41/00 F24F 5/00

Claims (4)

(57) [Claims] 1. An anti-vibration component for an air conditioner refrigerant pipe, comprising a continuous groove which is made of a high specific gravity rubber material and which substantially conforms to a bent portion of the refrigerant pipe. 2. A vibration isolator for an air conditioner refrigerant pipe according to claim 1, wherein the groove is made of a high specific gravity rubber, and the groove has a U-shaped groove that substantially conforms to a bent portion of the refrigerant pipe. parts. 3. The air conditioner refrigerant pipe according to claim 1 or 2, further comprising a bag-shaped hole communicating with the groove by a continuous slit inside the groove and having a cross section wider than the slit. Anti-vibration parts. 4. An air conditioner comprising the vibration isolator according to any one of claims 1 to 3 .